Fire Department’s Exhaust System Installation for the

Fire Department’s Exhaust System Installation for the City of Springfield, Missouri

COMMON WORK RESULTS FOR HVAC 230500 , 1

SECTION 230500 , COMMON WORK RESULTS FOR HVAC

PART 1 , GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Piping materials and installation instructions common to most piping systems. 2. Dielectric fittings. 3. Mechanical sleeve seals. 4. Sleeves. 5. Escutcheons. 6. Grout. 7. HVAC demolition. 8. Equipment installation requirements common to equipment sections. 9. Supports and anchorages.

1.2 DEFINITIONS

A. Design Engineer, hereinafter abbreviated D/E shall mean the Engineering firm, Malone Finkle Eckhardt & Collins, Inc., 3333 E. Battlefield, Suite 1000, Springfield, MO 65804, Telephone (417) 881#0020. Contact person: Joe O’Malley or Scott VanDoren.

B. Finished Spaces: Spaces other than mechanical and electrical equipment rooms, furred spaces, pipe and duct chases, unheated spaces immediately below roof, spaces above ceilings, unexcavated spaces, crawlspaces, and tunnels.

C. Exposed, Interior Installations: Exposed to view indoors. Examples include finished occupied spaces and mechanical equipment rooms.

D. Exposed, Exterior Installations: Exposed to view outdoors or subject to outdoor ambient temperatures and weather conditions. Examples include rooftop locations.

E. Concealed, Interior Installations: Concealed from view and protected from physical contact by building occupants. Examples include above ceilings and chases.

F. Concealed, Exterior Installations: Concealed from view and protected from weather conditions and physical contact by building occupants but subject to outdoor ambient temperatures. Examples include installations within unheated shelters.

1.3 QUALITY ASSURANCE

A. Steel Pipe Welding: Qualify processes and operators according to ASME Boiler and Pressure Vessel Code: Section IX, "Welding and Brazing Qualifications."

1. Comply with provisions in ASME B31 Series, "Code for Pressure Piping." 2. Certify that each welder has passed AWS qualification tests for welding processes involved and that

certification is current.

B. Electrical Characteristics for HVAC Equipment: Equipment of higher electrical characteristics may be furnished provided such proposed equipment is approved in writing and connecting electrical services, circuit breakers, and conduit sizes are appropriately modified. If minimum energy ratings or efficiencies are specified, equipment shall comply with requirements. Mechanical Contractor shall include all additional costs incurred by electrical contractor within bid.

PART 2 , PRODUCTS

2.1 PIPE, TUBE, AND FITTINGS

A. Refer to individual Division 23 piping Sections for pipe, tube, and fitting materials and joining methods.

B. Pipe Threads: ASME B1.20.1 for factory,threaded pipe and pipe fittings.

2.2 JOINING MATERIALS

A. Refer to individual Division 23 piping Sections for special joining materials not listed below.



B. Pipe,Flange Gasket Materials: ASME B16.21, nonmetallic, flat, asbestos,free, 0.125,inch maximum thickness unless thickness or specific material is indicated.

C. Solder Filler Metals: ASTM B 32, lead,free alloys. Include water,flushable flux according to ASTM B 813.

D. Brazing Filler Metals: AWS A5.8, BCuP Series or BAg1, unless otherwise indicated.

E. Welding Filler Metals: Comply with AWS D10.12.

2.3 DIELECTRIC FITTINGS

A. Description: Combination fitting of copper alloy and ferrous materials with threaded, solder,joint, plain, or weld,neck end connections that match piping system materials.

B. Insulating Material: Suitable for system fluid, pressure, and temperature.

C. Dielectric Unions: Factory,fabricated, union assembly, for 250,psig minimum working pressure at 180 deg F.

D. Dielectric Flanges: Factory,fabricated, companion,flange assembly, for 150, or 300,psig minimum working pressure as required to suit system pressures.

E. Dielectric Couplings: Galvanized,steel coupling with inert and noncorrosive, thermoplastic lining; threaded ends; and 300,psig minimum working pressure at 225 deg F.

F. Dielectric Nipples: Electroplated steel nipple with inert and noncorrosive, thermoplastic lining; plain, threaded, or grooved ends; and 300,psig minimum working pressure at 225 deg F.

2.4 MECHANICAL SLEEVE SEALS

A. Description: Modular sealing element unit, designed for field assembly, to fill annular space between pipe and sleeve.

B. Sealing Elements: EPDM interlocking links shaped to fit surface of pipe. Include type and number required for pipe material and size of pipe.

C. Pressure Plates: Carbon steel. Include two for each sealing element.

D. Connecting Bolts and Nuts: Carbon steel with corrosion,resistant coating of length required to secure pressure plates to sealing elements. Include one for each sealing element.

2.5 SLEEVES

A. Galvanized,Steel Sheet: 0.0239,inch minimum thickness; round tube closed with welded longitudinal joint.

B. Steel Pipe: ASTM A 53, Type E, Grade B, Schedule 40, galvanized, plain ends.

C. Cast Iron: Cast or fabricated "wall pipe" equivalent to ductile,iron pressure pipe, with plain ends and integral waterstop, unless otherwise indicated.

D. Stack Sleeve Fittings: Manufactured, cast,iron sleeve with integral clamping flange. Include clamping ring and bolts and nuts for membrane flashing.

1. Underdeck Clamp: Clamping ring with set screws.

E. Molded PVC: Permanent, with nailing flange for attaching to wooden forms.

F. PVC Pipe: ASTM D 1785, Schedule 40.

2.6 ESCUTCHEONS

A. Description: Manufactured wall and ceiling escutcheons and floor plates, with an ID to closely fit around pipe, tube, duct and insulation of insulated piping and an OD that completely covers opening.

B. One,Piece, Deep,Pattern Type: Deep,drawn, box,shaped brass with polished chrome,plated finish.

C. One,Piece, Cast,Brass Type: With set screw.

1. Finish: Polished chrome,plated.

D. Split,Casting, Cast,Brass Type: With concealed hinge and set screw.

1. Finish: Polished chrome,plated.



2.7 GROUT

A. Description: ASTM C 1107, Grade B, nonshrink and nonmetallic, dry hydraulic,cement grout.

1. Characteristics: Post,hardening, volume,adjusting, nonstaining, noncorrosive, nongaseous, and recommended for interior and exterior applications.

2. Design Mix: 5000,psi, 28,day compressive strength. 3. Packaging: Premixed and factory packaged.

PART 3 , EXECUTION

3.1 HVAC DEMOLITION

A. Disconnect, demolish, and remove HVAC systems, equipment, and components indicated to be removed.

1. Piping to Be Removed: Remove portion of piping indicated to be removed and cap or plug remaining piping with same or compatible piping material.

B. If pipe, insulation, or equipment to remain is damaged in appearance or is unserviceable, remove damaged or unserviceable portions and replace with new products of equal capacity and quality.

1. Piping installation in congested spaces, indicating coordination with general construction, building components, and other building services. Indicate proposed changes to piping layout.

2. Suspend ceiling components. 3. Structural members to which piping will be attached. 4. Size and location of initial access modules for acoustical tile. 5. Penetrations of smoke barriers and fire,rated construction. 6. Coordination between other trades.

3.2 PIPING SYSTEMS , COMMON REQUIREMENTS

A. Install piping according to the following requirements and Division 23 Sections specifying piping systems.

B. Drawing plans, schematics, and diagrams indicate general location and arrangement of piping systems. Indicated locations and arrangements were used to size pipe and calculate friction loss, expansion, and other design considerations. Install piping as indicated unless deviations to layout are approved on Coordination Drawings.

C. Install piping in concealed locations, unless otherwise indicated and except in equipment rooms and service areas.

D. Install piping indicated to be exposed and piping in equipment rooms and service areas at right angles or parallel to building walls. Diagonal runs are prohibited unless specifically indicated otherwise.

E. Install piping above accessible ceilings to allow sufficient space for ceiling panel removal.

F. Install piping to permit valve servicing.

G. Install piping at indicated slopes and required per industry standards.

H. Install piping free of sags and bends.

I. Install fittings for changes in direction and branch connections.

J. Install piping to allow application of insulation and approved hanger/supports per Division 22.

K. Select system components with pressure rating equal to or greater than system operating pressure.

L. Install escutcheons for penetrations of walls, ceilings, and floors.

M. Install sleeves for pipes passing through concrete and masonry walls, gypsum,board partitions, and concrete floor and roof slabs.

N. Plastic piping where allowed in other sections within the building shall not be permissible to be exposed to air flow in return air plenum.

O. Aboveground, Exterior,Wall Pipe Penetrations: Seal penetrations using sleeves and mechanical sleeve seals. Select sleeve size to allow for 1,inch annular clear space between pipe and sleeve for installing mechanical sleeve seals.

1. Install steel pipe for sleeves smaller than 6 inches in diameter. 2. Install cast,iron "wall pipes" for sleeves 6 inches and larger in diameter.



3. Mechanical Sleeve Seal Installation: Select type and number of sealing elements required for pipe material and size. Position pipe in center of sleeve. Assemble mechanical sleeve seals and install in annular space between pipe and sleeve. Tighten bolts against pressure plates that cause sealing elements to expand and make watertight seal.

P. Fire,Barrier Penetrations: Maintain indicated fire rating of walls, partitions, ceilings, and floors at pipe penetrations. Seal pipe penetrations with fire stop materials.

Q. Verify final equipment locations for roughing,in.

R. Refer to equipment specifications in other Sections of these Specifications for roughing,in requirements.

S. All exterior piping shall be painted unless otherwise indicated. All pipe shall be painted with one primer coat and two finish coats.

3.3 PIPING JOINT CONSTRUCTION

A. Join pipe and fittings according to the following requirements and Division 23 Sections specifying piping systems.

B. Ream ends of pipes and tubes and remove burrs. Bevel plain ends of steel pipe.

C. Remove scale, slag, dirt, and debris from inside and outside of pipe and fittings before assembly.

D. Soldered Joints: Apply ASTM B 813, water,flushable flux, unless otherwise indicated, to tube end. Construct joints according to ASTM B 828 or CDA's "Copper Tube Handbook," using lead,free solder alloy complying with ASTM B 32.

E. Brazed Joints: Construct joints according to AWS's "Brazing Handbook," "Pipe and Tube" Chapter, using copper,phosphorus brazing filler metal complying with AWS A5.8.

F. Threaded Joints: Thread pipe with tapered pipe threads according to ASME B1.20.1. Cut threads full and clean using sharp dies. Ream threaded pipe ends to remove burrs and restore full ID. Join pipe fittings and valves as follows:

1. Apply appropriate tape or thread compound to external pipe threads unless dry seal threading is specified.

2. Damaged Threads: Do not use pipe or pipe fittings with threads that are corroded or damaged. Do not use pipe sections that have cracked or open welds.

G. Welded Joints: Construct joints according to AWS D10.12, using qualified processes and welding operators according to Part 1 "Quality Assurance" Article.

H. Flanged Joints: Select appropriate gasket material, size, type, and thickness for service application. Install gasket concentrically positioned. Use suitable lubricants on bolt threads.

3.4 PIPING CONNECTIONS

A. Make connections according to the following, unless otherwise indicated:

1. Install unions, in piping NPS 2 and smaller, adjacent to each valve and at final connection to each piece of equipment.

2. Install flanges, in piping NPS 2,1/2 and larger, adjacent to flanged valves and at final connection to each piece of equipment.

3. Dry Piping Systems: Install dielectric unions and flanges to connect piping materials of dissimilar metals.

4. Wet Piping Systems: Install dielectric coupling and nipple fittings to connect piping materials of dissimilar metals.

3.5 EQUIPMENT INSTALLATION , COMMON REQUIREMENTS

A. Install equipment to allow maximum possible headroom unless specific mounting heights are not indicated.

B. Install equipment level and plumb, parallel and perpendicular to other building systems and components in exposed interior spaces, unless otherwise indicated.

C. Install HVAC equipment to facilitate service, maintenance, and repair or replacement of components. Connect equipment for ease of disconnecting, with minimum interference to other installations. Extend grease fittings to accessible locations.

D. Install equipment to allow right of way for piping installed at required slope.



3.6 GROUTING

A. Mix and install grout for HVAC equipment base bearing surfaces, pump and other equipment base plates, and anchors.

B. Clean surfaces that will come into contact with grout.

C. Provide forms as required for placement of grout.

D. Avoid air entrapment during placement of grout.

E. Place grout, completely filling equipment bases.

F. Place grout on concrete bases and provide smooth bearing surface for equipment.

G. Place grout around anchors.

H. Cure placed grout.

3.10 GENERAL REQUIREMENTS

A. Provide every device and accessory necessary for proper operation and completion of mechanical system. Visit site and determine existing local conditions affecting work in contract. Failure to determine site conditions or nature of existing or new construction will not be considered a basis for granting additional compensation.

B. Provide work in accordance with applicable codes, rules, ordinances, and regulations of Local, State and Federal Government and other authorities having lawful jurisdiction. Conform to latest editions and supplements of following codes, standards or recommended practices as adopted by the authority having jurisdiction. Drawings and specifications indicate minimum construction standards, but should any work indicated be sub,standard to any ordinances, laws or codes, rules or regulations bearing on work, Contractor shall execute work in accordance with such without increased cost to owner, but not until he has referred such variances to A/E for approval.

a. City Codes: 1. 2012 International Plumbing Code 2. 2012 International Mechanical Code 3. 2012 International Building Code 4. 2012 International Fire Code 5. NFPA No. 54 Gas Appliance and Gas Piping Code 6. NFPA No. 89M Clearances, Heat Producing Appliances 7. NFPA NO. 90A Air Conditioning and Ventilation Systems 8. NFPA NO. 91 Blower and Exhaust System

C. M/C shall secure and pay for necessary permits and certificates of inspection required by governmental ordinances, laws, rules or regulations. Keep a written record of all permits and inspection certificates and submit two copies to A/E with request for final inspection.

D. M/C shall perform initial start,up of systems and equipment and shall provide necessary supervision and labor to make first seasonal changeover of systems. Personnel qualified to start,up and service this equipment, including E/M’s technicians when specified, and Owner’s operating personnel shall be present during these operations.

3.11 CONTRACT CHANGES:

A. All change proposals shall be itemized indicating separately the costs for materials, labor, restocking charges, freight, bonds, insurance, overhead and profit. All materials shall be listed separately with quantities and individual unit prices. Labor factors shall be from a nationally recognized source with appropriate adjustment factors. If proposals are not itemized they will be rejected and returned for proper submittal. The maximum allowable profit for any change order shall be ten percent (10%).

3.12 PRE,FINAL AND FINAL CONSTRUCTION REVIEW

A. At M/C’s request, A/E will make pre,final construction review to determine if to the best of their knowledge project is completed in accordance with plans and specifications. Items found by A/E as not complete or not in accordance with requirements of contract will be outlined in report to M/C. After completion and/or correction of these items M/C shall notify A/E he is ready for final review. All necessary system adjustments including air and water systems balancing shall be completed and all specified records and reports submitted in sufficient time to be received by A/E at least ten working days prior to date of final construction review.



B. At final construction review, M/C and his major subcontractors shall be present or shall be represented by a person of authority. Each contractor shall demonstrate, as directed by A/E, that his work complies with purpose and intent of plans and specifications. Respective contractor shall provide labor, services, instruments or tools necessary for such demonstrations and tests.

3.13 ELECTRICAL REQUIREMENTS

A. Consult Division 26 of electrical specifications for work to be provided by E/C in conjunction with installation of mechanical equipment. Electrical work required to operate and/or control mechanical equipment which is not shown on plans or specified under Division 26 shall be included in M/C’s base bid proposal.

B. M/C shall be responsible for providing supervision to E/C to insure that required connections, interlocking and interconnection of mechanical and electrical equipment are made to attain intended control sequences and system operation. Furnish six complete sets of electrical wiring diagrams to A/E and three complete sets to E/C. Diagrams shall show factory and field wiring of components and controls. Control devices and field wiring to be provided by E/C shall be clearly indicated by notation and drawing symbols on wiring diagrams.

C. Safety disconnect switches and manual magnetic motor starters shall be provided by E/C. Exceptions will be allowed where mechanical equipment is specified with these devices installed as part of factory built control systems.

END OF SECTION 230500


HANGERS AND SUPPORTS FOR HVAC PIPING AND EQUIPMENT 230529 - 1

SECTION 230529 - HANGERS AND SUPPORTS FOR HVAC PIPING AND EQUIPMENT

PART 1 - GENERAL

1.1 SUMMARY


1. Steel pipe hangers and supports. 2. Trapeze pipe hangers. 3. Metal framing systems. 4. Thermal-hanger shield inserts. 5. Fastener systems. 6. Equipment supports.

B. See Division 23 Section(s) "Metal Ducts" for duct hangers and supports.

1.2 DEFINITIONS

A. Terminology: As defined in MSS SP-90, "Guidelines on Terminology for Pipe Hangers and Supports."

B. Manufacturer’s Standardization Society (MSS) specification.

1.3 PERFORMANCE REQUIREMENTS

A. Design supports for multiple pipes capable of supporting combined weight of supported systems, system contents, and test water.

B. Design equipment supports capable of supporting combined operating weight of supported equipment and connected systems and components.


A. Welding: Qualify procedures and personnel according to ASME Boiler and Pressure Vessel Code: Section IX.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. In other Part 2 articles where titles below introduce lists, the following requirements apply to product selection:

1. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, manufacturers specified.

2. Manufacturers: Subject to compliance with requirements, provide products by one of the manufacturers specified.

2.2 STEEL PIPE HANGERS AND SUPPORTS

A. Description: MSS SP-58, Types 1 through 58, factory-fabricated components. Refer to Part 3 "Hanger and Support Applications" Article for where to use specific hanger and support types.

B. Available Manufacturers:

1. B-Line Systems, Inc.; a division of Cooper Industries. 2. Tolco 3. Empire Industries, Inc. 4. ERICO/Michigan Hanger Co. 5. Globe Pipe Hanger Products, Inc. 6. Grinnell Corp. 7. National Pipe Hanger Corporation. 8. PHD Manufacturing, Inc. 9. PHS Industries, Inc. 10. Anvil International

C. Galvanized, Metallic Coatings: Pre-galvanized or hot dipped.

D. Nonmetallic Coatings: Plastic coating, jacket, or liner.



E. Padded Hangers: Hanger with fiberglass or other pipe insulation pad or cushion for support of bearing surface of piping.

2.3 TRAPEZE PIPE HANGERS

A. Description: MSS SP-69, Type 59, shop- or field-fabricated pipe-support assembly made from structural-steel shapes with MSS SP-58 hanger rods, nuts, saddles, and U-bolts.

2.4 METAL FRAMING SYSTEMS

A. Description: MFMA-3, shop- or field-fabricated pipe-support assembly made of steel channels and other components.

B. Available Manufacturers:

1. B-Line Systems, Inc.; a division of Cooper Industries. 2. Power-Strut Div.; Tyco International, Ltd. 3. Thomas & Betts Corporation. 4. Unistrut Corp.; Tyco International, Ltd.

C. Coatings: Manufacturer's standard finish, unless bare metal surfaces are indicated.

D. Nonmetallic Coatings: Plastic coating, jacket, or liner.

2.5 FASTENER SYSTEMS

A. Powder-Actuated Fasteners: Threaded-steel stud, for use in hardened Portland cement concrete with pull-out, tension, and shear capacities appropriate for supported loads and building materials where used.

1. Available Manufacturers:

a. Hilti, Inc. b. ITW Ramset/Red Head. c. Masterset Fastening Systems, Inc. d. Powers Fasteners.

B. Mechanical-Expansion Anchors: Insert-wedge-type zinc-coated steel, for use in hardened Portland cement concrete with pull-out, tension, and shear capacities appropriate for supported loads and building materials where used.

1. Available Manufacturers:

a. B-Line Systems, Inc.; a division of Cooper Industries. b. Hilti, Inc. c. ITW Ramset/Red Head. d. Powers Fasteners.

2.6 EQUIPMENT SUPPORTS

A. Description: Welded, shop- or field-fabricated equipment support made from structural-steel shapes.

2.7 MISCELLANEOUS MATERIALS

A. Structural Steel: ASTM A 36/A 36M, steel plates, shapes, and bars; black and galvanized.

B. Grout: ASTM C 1107, factory-mixed and -packaged, dry, hydraulic-cement, nonshrink and nonmetallic grout; suitable for interior and exterior applications.

1. Properties: Nonstaining, noncorrosive, and nongaseous. 2. Design Mix: 5000-psi, 28-day compressive strength.

PART 3 - EXECUTION

3.1 HANGER AND SUPPORT APPLICATIONS

A. Specific hanger and support requirements are specified in Sections specifying piping systems and equipment.

B. Comply with MSS SP-69 for pipe hanger selections and applications that are not specified in piping system Sections.



C. Use hangers and supports with galvanized, metallic coatings for piping and equipment that will not have field-applied finish.

D. Use nonmetallic coatings on attachments for electrolytic protection where attachments are in direct contact with copper tubing.

E. Use padded hangers for piping that is subject to scratching.

F. Horizontal-Piping Hangers and Supports: Unless otherwise indicated and except as specified in piping system Sections, install the following types:

1. Adjustable, Steel Clevis Hangers (MSS Type 1): For suspension of noninsulated or insulated stationary pipes, NPS 1/2 to NPS 30.

2. Yoke-Type Pipe Clamps (MSS Type 2): For suspension of 120 to 450 deg F pipes, NPS 4 to NPS 16, requiring up to 4 inches of insulation.

3. Carbon- or Alloy-Steel, Double-Bolt Pipe Clamps (MSS Type 3): For suspension of pipes, NPS 3/4 to NPS 24, requiring clamp flexibility and up to 4 inches of insulation.

4. Adjustable, Steel Band Hangers (MSS Type 7): For suspension of noninsulated stationary pipes, NPS 1/2 to NPS 8.

5. U-Bolts (MSS Type 24): For support of heavy pipes, NPS 1/2 to NPS 30. 6. Pipe Saddle Supports (MSS Type 36): For support of pipes, NPS 4 to NPS 36, with steel pipe base

stanchion support and cast-iron floor flange. 7. Single Pipe Rolls (MSS Type 41): For suspension of pipes, NPS 1 to NPS 30, from 2 rods if

longitudinal movement caused by expansion and contraction might occur. 8. Complete Pipe Rolls (MSS Type 44): For support of pipes, NPS 2 to NPS 42, if longitudinal

movement caused by expansion and contraction might occur but vertical adjustment is not necessary.

G. Vertical-Piping Clamps: Unless otherwise indicated and except as specified in piping system Sections, install the following types:

1. Extension Pipe or Riser Clamps (MSS Type 8): For support of pipe risers, NPS 3/4 to NPS 20. 2. Carbon- or Alloy-Steel Riser Clamps (MSS Type 42): For support of pipe risers, NPS 3/4 to

NPS 20, if longer ends are required for riser clamps. 3. Provide cast iron soil pipe support at every floor and steel and copper tubing at every other floor

except where otherwise indicated.

H. Hanger-Rod Attachments: Unless otherwise indicated and except as specified in piping system Sections, install the following types:

1. Steel Turnbuckles (MSS Type 13): For adjustment up to 6 inches for heavy loads. 2. Steel Clevises (MSS Type 14): For 120 to 450 deg F piping installations.

I. Building Attachments: Unless otherwise indicated and except as specified in piping system Sections, install the following types:

1. Steel or Malleable Concrete Inserts (MSS Type 18): For upper attachment to suspend pipe hangers from concrete ceiling.

2. Top-Beam C-Clamps (MSS Type 19): For use under roof installations with bar-joist construction to attach to top flange of structural shape.

3. Side-Beam or Channel Clamps (MSS Type 20): For attaching to bottom flange of beams, channels, or angles.

4. Center-Beam Clamps (MSS Type 21): For attaching to center of bottom flange of beams. 5. Welded Beam Attachments (MSS Type 22): For attaching to bottom of beams if loads are

considerable and rod sizes are large. 6. C-Clamps (MSS Type 23): For structural shapes. 7. Welded-Steel Brackets: For support of pipes from below, or for suspending from above by using

clip and rod. Use one of the following for indicated loads:

a. Light (MSS Type 31): 750 lb. b. Medium (MSS Type 32): 1500 lb. c. Heavy (MSS Type 33): 3000 lb.

8. Side-Beam Brackets (MSS Type 34): For sides of steel or wooden beams. 9. Plate Lugs (MSS Type 57): For attaching to steel beams if flexibility at beam is required. 10. Provide steel wall bracket for piping supported from walls. Brackets shall be carbon steel and

selected to meet load. Finish shall be hot dip galvanized in outdoor applications and 304 stainless steel in corrosive areas.

J. Saddles and Shields: Unless otherwise indicated and except as specified in piping system Sections, install the following types:

1. Steel Pipe-Covering Protection Saddles (MSS Type 39): To fill interior voids with insulation that matches adjoining insulation.



2. Protection Shields (MSS Type 40): Of length recommended in writing by manufacturer to prevent crushing insulation.

3. Thermal-Hanger Shield Inserts: For supporting insulated pipe.

K. Spring Hangers and Supports: Unless otherwise indicated and except as specified in piping system Sections, install the following types:

1. Spring Cushions (MSS Type 48): For light loads if vertical movement does not exceed 1.25 inches. 2. Spring-Cushion Roll Hangers (MSS Type 49): For equipping Type 41 roll hanger with springs. 3. Variable-Spring Base Supports (MSS Type 52): Preset to indicated load and limit variability factor

to 25 percent to absorb expansion and contraction of piping system from base support.

L. Comply with MSS SP-69 for trapeze pipe hanger selections and applications that are not specified in piping system Sections.

M. Comply with MFMA-102 for metal framing system selections and applications that are not specified in piping system Sections.

N. Use powder-actuated fasteners or mechanical-expansion anchors instead of building attachments where required in concrete construction.

O. Provide combination pipe saddle with adjustor to support piping from floor. Provide complete with pedestal type floor stand.

3.2 HANGER AND SUPPORT INSTALLATION

A. Steel Pipe Hanger Installation: Comply with MSS SP-69 and MSS SP-89. Install hangers, supports, clamps, and attachments as required to properly support piping from building structure.

B. Trapeze Pipe Hanger Installation: Comply with MSS SP-69 and MSS SP-89. Arrange for grouping of parallel runs of horizontal piping and support together on field-fabricated trapeze pipe hangers.

1. Pipes of Various Sizes: Support together and space trapezes for smallest pipe size or install intermediate supports for smaller diameter pipes as specified above for individual pipe hangers.

2. Field fabricate from ASTM A 36/A 36M, steel shapes selected for loads being supported. Weld steel according to AWS D1.1.

C. Metal Framing System Installation: Arrange for grouping of parallel runs of piping and support together on field-assembled metal framing systems.

D. Thermal-Hanger Shield Installation: Install in pipe hanger or shield for insulated piping.

E. Fastener System Installation:

1. Install powder-actuated fasteners in concrete after concrete is placed and completely cured. Use operators that are licensed by powder-actuated tool manufacturer. Install fasteners according to powder-actuated tool manufacturer's operating manual.

2. Install mechanical-expansion anchors in concrete after concrete is placed and completely cured. Install fasteners according to manufacturer's written instructions.

F. Install hangers and supports complete with necessary inserts, bolts, rods, nuts, washers, and other accessories.

G. Equipment Support Installation: Fabricate from welded-structural-steel shapes.

H. Install hangers and supports to allow controlled thermal and seismic movement of piping systems, to permit freedom of movement between pipe anchors, and to facilitate action of expansion joints, expansion loops, expansion bends, and similar units.

I. Install lateral bracing with pipe hangers and supports to prevent swaying.

J. Install building attachments within concrete slabs or attach to structural steel. Install additional attachments at concentrated loads, including valves, flanges, and strainers, NPS 2-1/2 and larger and at changes in direction of piping. Install concrete inserts before concrete is placed; fasten inserts to forms and install reinforcing bars through openings at top of inserts.

K. Load Distribution: Install hangers and supports so piping live and dead loads and stresses from movement will not be transmitted to connected equipment.

L. Pipe Slopes: Install hangers and supports to provide indicated pipe slopes and so maximum pipe deflections allowed by ASME B31.9 (for building services piping) are not exceeded.



3.3 EQUIPMENT SUPPORTS

A. Fabricate structural-steel stands to suspend equipment from structure overhead or to support equipment above floor.

B. Grouting: Place grout under supports for equipment and make smooth bearing surface.

C. Provide lateral bracing, to prevent swaying, for equipment supports.

3.4 METAL FABRICATIONS

A. Cut, drill, and fit miscellaneous metal fabrications for trapeze pipe hangers and equipment supports.

B. Fit exposed connections together to form hairline joints. Field weld connections that cannot be shop welded because of shipping size limitations.

C. Field Welding: Comply with AWS D1.1 procedures for shielded metal arc welding, appearance and quality of welds, and methods used in correcting welding work, and with the following:

1. Use materials and methods that minimize distortion and develop strength and corrosion resistance of base metals.

2. Obtain fusion without undercut or overlap. 3. Remove welding flux immediately. 4. Finish welds at exposed connections so no roughness shows after finishing and contours of welded

surfaces match adjacent contours.

3.5 ADJUSTING

A. Hanger Adjustments: Adjust hangers to distribute loads equally on attachments and to achieve indicated slope of pipe.

3.6 PAINTING

A. Touch Up: Clean field welds and abraded areas of shop paint. Paint exposed areas immediately after erecting hangers and supports. Use same materials as used for shop painting. Comply with SSPC-PA 1 requirements for touching up field-painted surfaces.

1. Apply paint by brush or spray to provide minimum dry film thickness of 2.0 mils.

B. Galvanized Surfaces: Clean welds, bolted connections, and abraded areas and apply galvanizing-repair paint to comply with ASTM A 780.



IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT 230553 , 1

SECTION 230553 , IDENTIFICATION FOR HVAC EQUIPMENT

PART 1 , GENERAL

1.1 SUMMARY

A. Section Includes:

1. Equipment labels.

PART 2 , PRODUCTS

2.1 EQUIPMENT LABELS

A. Plastic Labels for Equipment:

1. Material and Thickness: Multilayer, multicolor, plastic labels for mechanical engraving, 0.625,inch thick, and having predrilled holes for attachment hardware.

2. Letter Color: White. 3. Background Color: Black. 4. Maximum Temperature: Able to withstand temperatures up to 160 deg F. 5. Minimum Label Size: Length and width vary for required label content, but not less than 2.5,inch by

0.75,inch. 6. Minimum Letter Size: 0.25,inch for name of units if viewing distance is less than 24 inches, 0.5,inch

for viewing distances up to 72 inches, and proportionately larger lettering for greater viewing distances. Include secondary lettering two,thirds to three,fourths the size of principal lettering.

7. Fasteners: Stainless steel rivets or self,tapping screws. 8. Adhesive: Contact,type permanent adhesive, compatible with label and with substrate.

B. Label Content: Include equipment's Drawing designation or unique equipment number, drawing numbers where equipment is indicated (plans, details, and schedules), plus the specification section number and title where equipment is specified.

C. Equipment Label Schedule: For each item of equipment to be labeled, on 8.5,inch by 11,inch bond paper. Tabulate equipment identification number and identify drawing numbers where equipment is indicated (plans, details, and schedules), plus the specification section number and title where equipment is specified. Equipment schedule shall be included in operation and maintenance data.

PART 3 , EXECUTION

3.1 PREPARATION

A. Clean piping and equipment surfaces of substances that could impair bond of identification devices, including dirt, oil, grease, release agents, and incompatible primers, paints, and encapsulants.

3.2 EQUIPMENT LABEL INSTALLATION

A. Install or permanently fasten labels on each major item of mechanical equipment.

B. Locate equipment labels where accessible and visible.



FACILITY NATURAL$GAS PIPING 231123 $ 1

SECTION 231123 $ FACILITY NATURAL$GAS PIPING

PART 1 $ GENERAL

1.1 SUMMARY


1. Pipes, tubes, and fittings. 2. Piping specialties. 3. Piping and tubing joining materials. 4. Valves. 5. Pressure regulators.


A. Minimum Operating$Pressure Ratings:

1. Piping and Valves: 100 psig minimum unless otherwise indicated. 2. Service Regulators: 100 psig minimum unless otherwise indicated.

B. Natural$Gas System Pressure within Buildings: More than 0.5 psig but not more than 2 psig.

C. Natural$Gas System Pressures within Buildings: Two pressure ranges. Primary pressure is more than 0.5 psig but not more than 2 psig, and is reduced to secondary pressure of 0.5 psig or less.

D. Delegated Design: Design restraints and anchors for natural$gas piping and equipment, including comprehensive engineering analysis by a qualified professional engineer, using performance requirements and design criteria indicated.


A. Steel Support Welding Qualifications: Qualify procedures and personnel according to AWS D1.1/D1.1M, "Structural Welding Code $ Steel."

B. Pipe Welding Qualifications: Qualify procedures and operators according to ASME Boiler and Pressure Vessel Code.

C. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

PART 2 $ PRODUCTS

2.1 PIPES, TUBES, AND FITTINGS

A. Steel Pipe: ASTM A 53/A 53M, black steel, Schedule 40, Type E or S, Grade B.

1. Malleable$Iron Threaded Fittings: ASME B16.3, Class 150, standard pattern. 2. Wrought$Steel Welding Fittings: ASTM A 234/A 234M for butt welding and socket welding. 3. Unions: ASME B16.39, Class 150, malleable iron with brass$to$iron seat, ground joint, and

threaded ends. 4. Protective Coating for Underground Piping: Factory$applied, three$layer coating of epoxy, adhesive,

and PE.

a. Joint Cover Kits: Epoxy paint, adhesive, and heat$shrink PE sleeves.

B. Corrugated, Stainless$Steel Tubing: Comply with ANSI/IAS LC 1.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Parker Hannifin Corporation; Parflex Division. b. Tru$Flex Metal Hose Corp.

2. Tubing: ASTM A 240/A 240M, corrugated, Series 300 stainless steel. 3. Coating: PE with flame retardant.

a. Surface$Burning Characteristics: As determined by testing identical products according to ASTM E 84 by a qualified testing agency. Identify products with appropriate markings of applicable testing agency.

1) Flame$Spread Index: 25 or less. 2) Smoke$Developed Index: 50 or less.



4. Fittings: Copper$alloy mechanical fittings with ends made to fit and listed for use with corrugated stainless$steel tubing and capable of metal$to$metal seal without gaskets. Include brazing socket or threaded ends complying with ASME B1.20.1.

5. Striker Plates: Steel, designed to protect tubing from penetrations. 6. Manifolds: Malleable iron or steel with factory$applied protective coating. Threaded connections

shall comply with ASME B1.20.1 for pipe inlet and corrugated tubing outlets. 7. Operating$Pressure Rating: 5 psig.

2.2 PIPING SPECIALTIES

A. Appliance Flexible Connectors:

1. Indoor, Fixed$Appliance Flexible Connectors: Comply with ANSI Z21.24. 2. Indoor, Movable$Appliance Flexible Connectors: Comply with ANSI Z21.69. 3. Outdoor, Appliance Flexible Connectors: Comply with ANSI Z21.75. 4. Corrugated stainless$steel tubing with polymer coating. 5. Operating$Pressure Rating: 0.5 psig. 6. End Fittings: Zinc$coated steel. 7. Threaded Ends: Comply with ASME B1.20.1. 8. Maximum Length: 72 inches.

B. Quick$Disconnect Devices: Comply with ANSI Z21.41.

1. Copper$alloy convenience outlet and matching plug connector. 2. Nitrile seals. 3. Hand operated with automatic shutoff when disconnected. 4. For indoor or outdoor applications. 5. Adjustable, retractable restraining cable.

C. Y$Pattern Strainers:

1. Body: ASTM A 126, Class B, cast iron with bolted cover and bottom drain connection. 2. End Connections: Threaded ends for NPS 2 and smaller. 3. Strainer Screen: [40] [60]$mesh startup strainer, and perforated stainless$steel basket with 50

percent free area. 4. CWP Rating: 125 psig.

D. Weatherproof Vent Cap: Cast$ or malleable$iron increaser fitting with corrosion$resistant wire screen, with free area at least equal to cross$sectional area of connecting pipe and threaded$end connection.

2.3 JOINING MATERIALS

A. Joint Compound and Tape: Suitable for natural gas.

B. Welding Filler Metals: Comply with AWS D10.12/D10.12M for welding materials appropriate for wall thickness and chemical analysis of steel pipe being welded.

C. Brazing Filler Metals: Alloy with melting point greater than 1000 deg F complying with AWS A5.8/A5.8M. Brazing alloys containing more than 0.05 percent phosphorus are prohibited.

2.4 MANUAL GAS SHUTOFF VALVES

A. General Requirements for Metallic Valves, NPS 2 and Smaller: Comply with ASME B16.33.

1. CWP Rating: 125 psig. 2. Threaded Ends: Comply with ASME B1.20.1. 3. Dryseal Threads on Flare Ends: Comply with ASME B1.20.3. 4. Tamperproof Feature: Locking feature for valves indicated in "Underground Manual Gas Shutoff

Valve Schedule" and "Aboveground Manual Gas Shutoff Valve Schedule" Articles. 5. Listing: Listed and labeled by an NRTL acceptable to authorities having jurisdiction for valves 1

inch and smaller. 6. Service Mark: Valves 1.25 inches to NPS 2 shall have initials "WOG" permanently marked on valve

body.

B. One$Piece, Bronze Ball Valve with Bronze Trim: MSS SP$110.


a. BrassCraft Manufacturing Company; a Masco company. b. Conbraco Industries, Inc.; Apollo Div. c. Perfection Corporation; a subsidiary of American Meter Company.

2. Body: Bronze, complying with ASTM B 584.



3. Ball: Chrome$plated brass. 4. Stem: Bronze; blowout proof. 5. Seats: Reinforced TFE; blowout proof. 6. Packing: Separate packnut with adjustable$stem packing threaded ends. 7. Ends: Threaded, flared, or socket as indicated in "Underground Manual Gas Shutoff Valve

Schedule" and "Aboveground Manual Gas Shutoff Valve Schedule" Articles. 8. CWP Rating: 600 psig. 9. Listing: Valves NPS 1 and smaller shall be listed and labeled by an NRTL acceptable to authorities

having jurisdiction. 10. Service: Suitable for natural$gas service with "WOG" indicated on valve body.

C. Two$Piece, Full$Port, Bronze Ball Valves with Bronze Trim: MSS SP$110.



2. Body: Bronze, complying with ASTM B 584. 3. Ball: Chrome$plated bronze. 4. Stem: Bronze; blowout proof. 5. Seats: Reinforced TFE; blowout proof. 6. Packing: Threaded$body packnut design with adjustable$stem packing. 7. Ends: Threaded, flared, or socket as indicated in "Underground Manual Gas Shutoff Valve



D. Two$Piece, Regular$Port Bronze Ball Valves with Bronze Trim: MSS SP$110.



2. Body: Bronze, complying with ASTM B 584. 3. Ball: Chrome$plated bronze. 4. Stem: Bronze; blowout proof. 5. Seats: Reinforced TFE. 6. Packing: Threaded$body packnut design with adjustable$stem packing. 7. Ends: Threaded, flared, or socket as indicated in "Underground Manual Gas Shutoff Valve



E. Bronze Plug Valves: MSS SP$78.


a. Lee Brass Company. b. McDonald, A. Y. Mfg. Co.

2. Body: Bronze, complying with ASTM B 584. 3. Plug: Bronze. 4. Ends: Threaded, socket, as indicated in "Underground Manual Gas Shutoff Valve Schedule" and

"Aboveground Manual Gas Shutoff Valve Schedule" Articles. 5. Operator: Square head or lug type with tamperproof feature where indicated. 6. Pressure Class: 125 psig. 7. Listing: Valves NPS 1 and smaller shall be listed and labeled by an NRTL acceptable to authorities


2.5 DIELECTRIC UNIONS

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Capitol Manufacturing Company. 2. Hart Industries International, Inc. 3. Watts Regulator Co.; Division of Watts Water Technologies, Inc.



B. Minimum Operating$Pressure Rating: 150 psig.

C. Combination fitting of copper alloy and ferrous materials.

D. Insulating materials suitable for natural gas.

E. Combination fitting of copper alloy and ferrous materials with threaded, brazed$joint, plain, or welded end connections that match piping system materials.

2.6 SLEEVES

A. Steel Pipe Sleeves: ASTM A 53/A 53M, Type E, Grade B, Schedule 40, galvanized steel, plain ends.

B. Cast$Iron Pipe Sleeves: Cast or fabricated "wall pipe," equivalent to ductile$iron pressure pipe, with plain ends and integral waterstop, unless otherwise indicated.

2.7 MECHANICAL SLEEVE SEALS

A. Description: Modular sealing element unit, designed for field assembly, to fill annular space between pipe and sleeve.


a. Advance Products & Systems, Inc. b. Calpico Inc. c. Metraflex Company (The). d. Pipeline Seal and Insulator, Inc.

2. Sealing Elements: EPDM interlocking links shaped to fit surface of pipe. Include type and number required for pipe material and size of pipe and sleeve.

3. Pressure Plates: Carbon steel. 4. Connecting Bolts and Nuts: Carbon steel with corrosion$resistant coating of length required to

secure pressure plates to sealing elements. Include one nut and bolt for each sealing element.

PART 3 $ EXECUTION

3.1 OUTDOOR PIPING INSTALLATION

A. Comply with NFPA 54 for installation and purging of natural$gas piping.

B. Copper Tubing with Protective Coating:

1. Apply joint cover kits over tubing to cover, seal, and protect joints. 2. Repair damage to PE coating on pipe as recommended in writing by protective coating

manufacturer.

C. Install fittings for changes in direction and branch connections.

D. Exterior$Wall Pipe Penetrations: Seal penetrations using steel or cast$iron pipe sleeves and mechanical sleeve seals. Select sleeve size to allow for 1$inch annular clear space between pipe and sleeve for installing mechanical sleeve seals.

E. Mechanical Sleeve Seal Installation: Select type and number of sealing elements required for pipe material and size. Position pipe in center of sleeve. Assemble mechanical sleeve seals and install in annular space between pipe and sleeve. Tighten bolts against pressure plates that cause sealing elements to expand and make watertight seal.

F. Install pressure gage upstream and downstream from each service regulator. Pressure gages are specified in Division 23 Section "Meters and Gages for HVAC Piping."

G. All exterior gas piping shall be painted with one primer coat and two (2) finish coats.

3.2 INDOOR PIPING INSTALLATION

A. Comply with the International Fuel Gas Code for installation and purging of natural$gas piping.

B. Drawing plans, schematics, and diagrams indicate general location and arrangement of piping systems. Indicated locations and arrangements are used to size pipe and calculate friction loss, expansion, and other design considerations. Install piping as indicated unless deviations to layout are approved on Coordination Drawings.

C. Arrange for pipe spaces, chases, slots, sleeves, and openings in building structure during progress of construction, to allow for mechanical installations.



D. Install piping in concealed locations unless otherwise indicated and except in equipment rooms and service areas. Where exposed in finished spaces, all piping shall be painted.

E. Install piping indicated to be exposed and piping in equipment rooms and service areas at right angles or parallel to building walls. Diagonal runs are prohibited unless specifically indicated otherwise.

F. Install piping above accessible ceilings to allow sufficient space for ceiling panel removal.

G. Locate valves for easy access. No running threaded joints or valves shall be installed in a return air plenum.

H. Install natural$gas piping at uniform grade of 2 percent down toward drip and sediment traps.

I. Install piping free of sags and bends.

J. Install fittings for changes in direction and branch connections.

K. Fire$Barrier Penetrations: Maintain indicated fire rating of walls, partitions, ceilings, and floors at pipe penetrations. Seal pipe penetrations with firestop materials. Comply with requirements in Division 07 Section "Penetration Firestopping."

L. Verify final equipment locations for roughing$in.

M. Comply with requirements in Sections specifying gas$fired appliances and equipment for roughing$in requirements.

N. Drips and Sediment Traps: Install drips at points where condensate may collect, including service$meter outlets. Locate where accessible to permit cleaning and emptying. Do not install where condensate is subject to freezing.

1. Construct drips and sediment traps using tee fitting with bottom outlet plugged or capped. Use nipple a minimum length of 3 pipe diameters, but not less than 3 inches long and same size as connected pipe. Install with space below bottom of drip to remove plug or cap.

O. Extend relief vent connections for service regulators, line regulators, and overpressure protection devices to outdoors and terminate with weatherproof vent cap.

P. Conceal pipe installations in walls, pipe spaces, utility spaces, above ceilings, below grade or floors, and in floor channels unless indicated to be exposed to view. No joints will be allowed in concealed locations per code requirements.

Q. Use eccentric reducer fittings to make reductions in pipe sizes. Install fittings with level side down.

R. Connect branch piping from top or side of horizontal piping.

S. Install unions in pipes NPS 2 and smaller, adjacent to each valve, at final connection to each piece of equipment.

T. Do not use natural$gas piping as grounding electrode.

U. Install strainer on inlet of each line$pressure regulator and automatic or electrically operated valve.

V. Install pressure gage upstream and downstream from each line regulator. Pressure gages are specified in Division 23 Section "Meters and Gages for HVAC Piping."

3.3 VALVE INSTALLATION

A. Install manual gas shutoff valve for each gas appliance ahead of corrugated stainless$steel tubing or copper connector.

B. Install regulators and overpressure protection devices with maintenance access space adequate for servicing and testing.

3.4 PIPING JOINT CONSTRUCTION

A. Ream ends of pipes and tubes and remove burrs.

B. Remove scale, slag, dirt, and debris from inside and outside of pipe and fittings before assembly.

C. Threaded Joints:

1. Thread pipe with tapered pipe threads complying with ASME B1.20.1. 2. Cut threads full and clean using sharp dies. 3. Ream threaded pipe ends to remove burrs and restore full inside diameter of pipe.



4. Apply appropriate tape or thread compound to external pipe threads unless dryseal threading is specified.

5. Damaged Threads: Do not use pipe or pipe fittings with threads that are corroded or damaged. Do not use pipe sections that have cracked or open welds.

D. Welded Joints:

1. Construct joints according to AWS D10.12/D10.12M, using qualified processes and welding operators.

2. Bevel plain ends of steel pipe. 3. Patch factory$applied protective coating as recommended by manufacturer at field welds and

where damage to coating occurs during construction. 4. All piping 2 psi or greater shall have welded fittings.

E. Brazed Joints: Construct joints according to AWS's "Brazing Handbook," "Pipe and Tube" Chapter.

F. Flared Joints: Cut tubing with roll cutting tool. Flare tube end with tool to result in flare dimensions complying with SAE J513. Tighten finger tight, then use wrench. Do not overtighten.


A. Install hangers for horizontal steel piping with the following maximum spacing and minimum rod sizes:

1. NPS 1 and Smaller: Maximum span, 96 inches; minimum rod size, 0.375$inch. 2. NPS 1$1/4: Maximum span, 108 inches; minimum rod size, 0.375$inch. 3. NPS 1$1/2 and NPS 2: Maximum span, 108 inches; minimum rod size, 0.375$inch.

B. Install hangers for horizontal, corrugated stainless$steel tubing with the following maximum spacing and minimum rod sizes:

1. NPS 3/8: Maximum span, 48 inches; minimum rod size, 0.375$inch. 2. NPS 1/2: Maximum span, 72 inches; minimum rod size, 0.375$inch. 3. NPS 3/4 and Larger: Maximum span, 96 inches; minimum rod size, 0.375$inch.

3.6 CONNECTIONS

A. Connect to utility's gas main according to utility's procedures and requirements. Include all costs, charges, fees incurred by local authorities into bid.

B. Install natural$gas piping electrically continuous, and bonded to gas appliance equipment grounding conductor of the circuit powering the appliance according to NFPA 70.

C. Install piping adjacent to appliances to allow service and maintenance of appliances.

D. Connect piping to appliances using manual gas shutoff valves and unions. Install valve within 72 inches of each gas$fired appliance and equipment. Install union between valve and appliances or equipment.

E. Sediment Traps: Install tee fitting with capped nipple in bottom to form drip, as close as practical to inlet of each appliance.

3.7 FIELD QUALITY CONTROL

A. Test, inspect, and purge natural gas according to NFPA 54 and the International Fuel Gas Code and authorities having jurisdiction.

B. Natural$gas piping will be considered defective if it does not pass tests and inspections.

C. Prepare test and inspection reports.

3.8 OUTDOOR PIPING SCHEDULE

A. Reference piping material schedule on drawings.

3.9 ABOVEGROUND MANUAL GAS SHUTOFF VALVE SCHEDULE

A. Distribution piping valves for pipe sizes NPS 2 and smaller shall be one of the following:

1. One$piece, bronze ball valve with bronze trim. 2. Two$piece, full$port, bronze ball valves with bronze trim. 3. Bronze plug valve.

B. Valves in branch piping for single appliance shall be one of the following:



1. One$piece, bronze ball valve with bronze trim. 2. Two$piece, full$port, bronze ball valves with bronze trim. 3. Bronze plug valve.



METAL DUCTS 233113$ 1

SECTION 233113 $ METAL DUCTS

PART 1 $ GENERAL

1.1 SUMMARY

A. Section Includes: 1. Round ducts and fittings. 2. Sheet metal materials. 3. Sealants and gaskets. 4. Hangers and supports.

B. Related Sections: 1. Division 23 Section "Air Duct Accessories" for dampers, sound$control devices, duct$mounting

access doors and panels, turning vanes, and flexible ducts.


A. Delegated Duct Design: Duct construction, including sheet metal thicknesses, seam and joint construction, reinforcements, and hangers and supports, shall comply with SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible" and performance requirements and design criteria indicated in "Duct Schedule" Article.

B. Structural Performance: Duct hangers and supports and seismic restraints shall withstand the effects of gravity and seismic loads and stresses within limits and under conditions described in SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible".

1.3 SUBMITTALS

A. Product Data: For each type of product indicated.

PART 2 $ PRODUCTS

2.1 ROUND DUCTS AND FITTINGS

A. General Fabrication Requirements: Comply with SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible," Chapter 3, "Round, Oval, and Flexible Duct," based on indicated static$pressure class unless otherwise indicated.


a. McGill AirFlow LLC. b. SEMCO Incorporated. c. Spiral Manufacturing Co., Inc. d. Lewis & Lambert

B. Transverse Joints: Select joint types and fabricate according to SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible," Figure 3$2, "Transverse Joints $ Round Duct," for static$pressure class, applicable sealing requirements, materials involved, duct$support intervals, and other provisions in SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible."

C. Longitudinal Seams: Select seam types and fabricate according to SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible," Figure 3$1, "Seams $ Round Duct and Fittings," for static$pressure class, applicable sealing requirements, materials involved, duct$support intervals, and other provisions in SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible."

D. Tees and Laterals: Select types and fabricate according to SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible," Figure 3$4, "90 Degree Tees and Laterals," and Figure 3$5, "Conical Tees," for static$pressure class, applicable sealing requirements, materials involved, duct$support intervals, and other provisions in SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible."

2.2 SHEET METAL MATERIALS

A. General Material Requirements: Comply with SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible" for acceptable materials, material thicknesses, and duct construction methods unless otherwise indicated. Sheet metal materials shall be free of pitting, seam marks, roller marks, stains, discolorations, and other imperfections.

B. Galvanized Sheet Steel: Comply with ASTM A 653/A 653M.

1. Galvanized Coating Designation: G90. 2. Finishes for Surfaces Exposed to View: Mill phosphatized.



C. Reinforcement Shapes and Plates: ASTM A 36/A 36M, steel plates, shapes, and bars; black and galvanized.

1. Where black$ and galvanized$steel shapes and plates are used to reinforce aluminum ducts, isolate the different metals with butyl rubber, neoprene, or EPDM gasket materials.

D. Tie Rods: Galvanized steel, 0.25$inch minimum diameter for lengths 36 inches or less; 0.375$inch minimum diameter for lengths longer than 36 inches.

2.3 SEALANT AND GASKETS

A. General Sealant and Gasket Requirements: Surface$burning characteristics for sealants and gaskets shall be a maximum flame$spread index of 25 and a maximum smoke$developed index of 50 when tested according to UL 723; certified by an NRTL.

B. Flanged Joint Sealant: Comply with ASTM C 920.

1. General: Single$component, acid$curing, silicone, elastomeric. 2. Type: S. 3. Grade: NS. 4. Class: 25. 5. Use: O. 6. For indoor applications, use sealant that has a VOC content of 250 g/L or less when calculated

according to 40 CFR 59, Subpart D (EPA Method 24).

C. Flange Gaskets: Butyl rubber, neoprene, or EPDM polymer with polyisobutylene plasticizer.

D. Round Duct Joint O$Ring Seals:

1. Seal shall provide maximum leakage class of 3 cfm/100 sq. ft. at 1$inch wg and shall be rated for 10$inch wg static$pressure class, positive or negative.

2. EPDM O$ring to seal in concave bead in coupling or fitting spigot. 3. Double$lipped, EPDM O$ring seal, mechanically fastened to factory$fabricated couplings and fitting

spigots.

2.4 HANGERS AND SUPPORTS

A. Hanger Rods for Noncorrosive Environments: Cadmium$plated steel rods and nuts.

B. Hanger Rods for Corrosive Environments: Electrogalvanized, all$thread rods or galvanized rods with threads painted with zinc$chromate primer after installation.

C. Strap and Rod Sizes: Comply with SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible," Table 4$1, "Rectangular Duct Hangers Minimum Size," and Table 4$2, "Minimum Hanger Sizes for Round Duct."

D. Steel Cables for Galvanized$Steel Ducts: Galvanized steel complying with ASTM A 603.

E. Steel Cables for Stainless Steel Ducts: Stainless steel complying with ASTM A 492.

F. Steel Cable End Connections: Cadmium$plated steel assemblies with brackets, swivel, and bolts designed for duct hanger service; with an automatic$locking and clamping device.

G. Duct Attachments: Sheet metal screws, blind rivets, or self$tapping metal screws; compatible with duct materials.

H. Trapeze and Riser Supports:

1. Supports for Galvanized$Steel Ducts: Galvanized$steel shapes and plates.

PART 3 $ EXECUTION

3.1 DUCT INSTALLATION

A. Drawing plans, schematics, and diagrams indicate general location and arrangement of duct system. Indicated duct locations, configurations, and arrangements were used to size ducts and calculate friction loss for air$handling equipment sizing and for other design considerations. Install duct systems as indicated unless deviations to layout are approved on Shop Drawings and Coordination Drawings.

B. Install ducts per SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible" unless otherwise indicated.

C. Install round ducts in maximum practical lengths.



D. Install ducts with fewest possible joints.

E. Install factory$ or shop$fabricated fittings for changes in direction, size, and shape and for branch connections.

F. Unless otherwise indicated, install ducts vertically and horizontally, and parallel and perpendicular to building lines.

G. Install ducts close to walls, overhead construction, columns, and other structural and permanent enclosure elements of building.

H. Install ducts with a clearance of 1 inch.

I. Route ducts to avoid passing through transformer vaults and electrical equipment rooms and enclosures.

J. Where ducts pass through non$fire$rated interior partitions and exterior walls and are exposed to view, cover the opening between the partition and duct or duct insulation with sheet metal flanges of same metal thickness as the duct. Overlap openings on four sides by at least 1.5 inches.

K. Protect duct interiors from moisture, construction debris and dust, and other foreign materials. Comply with SMACNA's "Duct Cleanliness for New Construction Guidelines."

L. All round take$off fittings for ductwork shall be made with Buckley BMD or equal bellmouth fittings. High efficiency takeoffs, Buckley Model 3300D or equal will be allowed where rectangular depth noted on drawings is not 4 inches or greater than the round branch duct size.

3.2 INSTALLATION OF EXPOSED DUCTWORK

A. Protect ducts exposed in finished spaces from being dented, scratched, or damaged.

B. Trim duct sealants flush with metal. Create a smooth and uniform exposed bead. Do not use two$part tape sealing system.

C. Grind welds to provide smooth surface free of burrs, sharp edges, and weld splatter. When welding stainless steel with a No. 3 or 4 finish, grind the welds flush, polish the exposed welds, and treat the welds to remove discoloration caused by welding.

D. Maintain consistency, symmetry, and uniformity in the arrangement and fabrication of fittings, hangers and supports, duct accessories, and air outlets.

E. Repair or replace damaged sections and finished work that does not comply with these requirements.

F. All exposed round ductwork and fittings shall be single$wall, galvanized steel, spiral lockseam.

3.3 DUCT SEALING

A. Seal ducts for duct static$pressure, seal classes, and leakage classes specified in "Duct Schedule" Article according to SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible."

B. Seal ducts to the following seal classes according to SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible":

1. Comply with SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible." 2. Exhaust Ducts: Seal Class C.


A. Comply with SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible," Chapter 4, "Hangers and Supports."

B. Building Attachments: Concrete inserts, powder$actuated fasteners, or structural$steel fasteners appropriate for construction materials to which hangers are being attached.

1. Where practical, install concrete inserts before placing concrete. 2. Install powder$actuated concrete fasteners after concrete is placed and completely cured. 3. Use powder$actuated concrete fasteners for standard$weight aggregate concretes or for slabs

more than 4 inches thick. 4. Do not use powder$actuated concrete fasteners for lightweight$aggregate concretes or for slabs

less than 4 inches thick. 5. Do not use powder$actuated concrete fasteners for seismic restraints.

C. Hanger Spacing: Comply with SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible," Table 4$1, "Rectangular Duct Hangers Minimum Size," and Table 4$2, "Minimum Hanger Sizes for Round



Duct," for maximum hanger spacing; install hangers and supports within 24 inches of each elbow and within 48 inches of each branch intersection.

D. Hangers Exposed to View: Threaded rod and angle or channel supports.

E. Support vertical ducts with steel angles or channel secured to the sides of the duct with welds, bolts, sheet metal screws, or blind rivets; support at each floor and at a maximum intervals of 16 feet.

F. Install upper attachments to structures. Select and size upper attachments with pull$out, tension, and shear capacities appropriate for supported loads and building materials where used.

3.5 CONNECTIONS

A. Make connections to equipment with flexible connectors complying with Division 23 Section "Air Duct Accessories."

B. Comply with SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible" for branch, outlet and inlet, and terminal unit connections.

3.6 START UP

A. Air Balance: Comply with requirements in Division 23 Section "Testing, Adjusting, and Balancing for HVAC."

3.7 DUCT SCHEDULE

A. All ducts shall be constructed for the specific duct pressure class shown on the contract documents or in equipment fan schedule listed as external or total static pressure. Fabricate ducts with galvanized sheet steel except as otherwise indicated and as follows:

B. Exhaust Ducts:

1. Ducts Connected to Fans Exhausting (ASHRAE 62.1, Class 1 and 2) Air:

a. Minimum SMACNA Seal Class: A if negative pressure, and A if positive pressure. b. SMACNA Leakage Class for Round and Flat Oval: 6.

C. Elbow Configuration:

1. Round Duct: Comply with SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible," Figure 3$3, "Round Duct Elbows."

a. Minimum Radius$to$Diameter Ratio and Elbow Segments: Comply with SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible," Table 3$1, "Mitered Elbows." Elbows with less than 90$degree change of direction have proportionately fewer segments.

1) Velocity 1000 fpm or Lower: 0.5 radius$to$diameter ratio and three segments for 90$degree elbow.

2) Velocity 1000 to 1500 fpm: 1.0 radius$to$diameter ratio and four segments for 90$degree elbow.

3) Velocity 1500 fpm or Higher: 1.5 radius$to$diameter ratio and five segments for 90$degree elbow.

4) Radius$to Diameter Ratio: 1.5.

b. Round Elbows, 12 Inches and Smaller in Diameter: Stamped or pleated. c. Round Elbows, 14 Inches and Larger in Diameter: Standing seam.

D. Branch Configuration:

1. Round: Comply with SMACNA's "HVAC Duct Construction Standards $ Metal and Flexible," Figure 3$4, "90 Degree Tees and Laterals," and Figure 3$5, "Conical Tees." Saddle taps are permitted in existing duct. a. All velocityies: 45$degree lateral.



AIR DUCT ACCESSORIES 233300 % 1

SECTION 233300 % AIR DUCT ACCESSORIES

PART 1 % GENERAL

1.1 SUMMARY


1. Backdraft dampers. 2. Manual volume dampers. 3. Control dampers. 4. Flange connectors. 5. Flexible connectors. 6. Duct accessory hardware.

1.2 SUBMITTALS

A. Product Data: For each type of product indicated.

B. Operation and maintenance data.


A. Comply with NFPA 90A, "Installation of Air Conditioning and Ventilating Systems," and with NFPA 90B, "Installation of Warm Air Heating and Air Conditioning Systems."

B. Comply with AMCA 500%D testing for damper rating.

PART 2 % PRODUCTS

2.1 MATERIALS

A. Comply with SMACNA's "HVAC Duct Construction Standards % Metal and Flexible" for acceptable materials, material thicknesses, and duct construction methods unless otherwise indicated. Sheet metal materials shall be free of pitting, seam marks, roller marks, stains, discolorations, and other imperfections.

B. Galvanized Sheet Steel: Comply with ASTM A 653/A 653M.

1. Galvanized Coating Designation: G90.

C. Reinforcement Shapes and Plates: Galvanized%steel reinforcement where installed on galvanized sheet metal ducts; compatible materials for aluminum and stainless%steel ducts.

D. Tie Rods: Galvanized steel, 0.25%inch minimum diameter for lengths 36 inches or less; 0.375%inch minimum diameter for lengths longer than 36 inches.

2.2 BACKDRAFT DAMPERS


1. Air Balance Inc.; a division of Mestek, Inc. 2. Cesco Products; a division of Mestek, Inc. 3. Duro Dyne Inc. 4. Greenheck Fan Corporation. 5. Nailor Industries Inc. 6. Ruskin Company. 7. SEMCO Incorporated. 8. Pottorff.

B. Description: Gravity balanced.

C. Maximum Air Velocity: 2000 fpm.

D. Maximum System Pressure: 1%inch wg.

E. Frame: 0.063%inch%thick extruded aluminum, with welded corners and mounting flange.

F. Blades: Multiple single%piece blades, center%pivoted, maximum 6%inch width, 0.025%inch%thick, roll%formed aluminum with sealed edges.



G. Blade Action: Parallel.

H. Blade Seals: Neoprene, mechanically locked.

I. Blade Axles:

1. Material: Plated steel. 2. Diameter: 0.20 inch.

J. Tie Bars and Brackets: Aluminum.

K. Return Spring: Adjustable tension.

L. Bearings: Steel ball.

M. Accessories:

1. Adjustment device to permit setting for varying differential static pressure. 2. Counterweights and spring%assist kits for vertical airflow installations. 3. Electric actuators. 4. Chain pulls. 5. Screen Mounting: Front mounted in sleeve.

a. Sleeve Thickness: 20%gage minimum. b. Sleeve Length: 6 inches minimum.

6. Screen Mounting: Rear mounted. 7. Screen Material: Aluminum. 8. Screen Type: Insect. 9. 90%degree stops.

2.3 CONTROL DAMPERS


1. American Warming and Ventilating; a division of Mestek, Inc. 2. Cesco Products; a division of Mestek, Inc. 3. Duro Dyne Inc. 4. Greenheck Fan Corporation. 5. McGill AirFlow LLC. 6. Nailor Industries Inc. 7. Ruskin Company. 8. Young Regulator Company. 9. Pottorff.

B. Frames:

1. Angle shaped. 2. Galvanized%steel channels, 0.064 inch thick. 3. Mitered and welded corners.

C. Blades:

1. Multiple blade with maximum blade width of 8 inches. 2. Parallel% and opposed%blade design. 3. Stainless steel. 4. 0.064 inch thick. 5. Blade Edging: Closed%cell neoprene edging. 6. Blade Edging: Inflatable seal blade edging, or replaceable rubber seals.

D. Blade Axles: 0.5%inch%diameter; galvanized steel; blade%linkage hardware of zinc%plated steel and brass; ends sealed against blade bearings.

1. Operating Temperature Range: From minus 40 to plus 200 deg F.

E. Bearings:

1. Stainless%steel sleeve. 2. Dampers in ducts with pressure classes of 3%inch wg or less shall have axles full length of damper

blades and bearings at both ends of operating shaft. 3. Thrust bearings at each end of every blade.

2.4 FLEXIBLE CONNECTORS




1. Ductmate Industries, Inc. 2. Duro Dyne Inc. 3. Ventfabrics, Inc.

B. Materials: Flame%retardant or noncombustible fabrics.

C. Coatings and Adhesives: Comply with UL 181, Class 1.

D. Metal%Edged Connectors: Factory fabricated with a fabric strip 3.5 inches wide attached to 2 strips of 2.75%inch%wide, 0.028%inch%thick, galvanized sheet steel or 0.032%inch%thick aluminum sheets. Provide metal compatible with connected ducts.

E. Indoor System, Flexible Connector Fabric: Glass fabric double coated with neoprene.

1. Minimum Weight: 26 oz./sq. yd. 2. Tensile Strength: 480 lbf/inch in the warp and 360 lbf/inch in the filling. 3. Service Temperature: Minus 40 to plus 200 deg F.

F. Outdoor System, Flexible Connector Fabric: Glass fabric double coated with weatherproof, synthetic rubber resistant to UV rays and ozone.

1. Minimum Weight: 24 oz./sq. yd. 2. Minimum Tensile Strength: 500 lbf/inch in the warp and 440 lbf/inch in the filling. 3. Service Temperature: Minus 50 to plus 250 deg F.

2.5 FLEXIBLE DUCTS


1. Flexmaster U.S.A., Inc. 2. McGill AirFlow LLC.

B. Flexible Duct Connectors:

1. Clamps: Stainless%steel band with cadmium%plated hex screw to tighten band with a worm%gear action sizes 3 through 18 inches, to suit duct size.

2. Non%Clamp Connectors: Adhesive plus sheet metal screws.

2.6 DUCT ACCESSORY HARDWARE

A. Instrument Test Holes: Cast iron or cast aluminum to suit duct material, including screw cap and gasket. Size to allow insertion of pitot tube and other testing instruments and of length to suit duct%insulation thickness.

B. Adhesives: High strength, quick setting, neoprene based, waterproof, and resistant to gasoline and grease.

PART 3 % EXECUTION

3.1 INSTALLATION

A. Install duct accessories according to applicable details in SMACNA's "HVAC Duct Construction Standards % Metal and Flexible" for metal ducts.

B. Install duct accessories of materials suited to duct materials; use galvanized%steel accessories in galvanized%steel.

C. Install backdraft dampers at inlet of exhaust fans or exhaust ducts as close as possible to exhaust fan unless otherwise indicated.

D. Install volume dampers at points on supply, return, and exhaust systems where branches extend from larger ducts. Where dampers are installed in ducts having duct liner, install dampers with hat channels of same depth as liner, and terminate liner with nosing at hat channel.

1. Install steel volume dampers in steel ducts. 2. Install aluminum volume dampers in aluminum ducts.

E. Set dampers to fully open position before testing, adjusting, and balancing.

F. Install test holes at fan inlets and outlets and elsewhere as indicated.

G. Install flexible connectors to connect ducts to equipment.



H. For fans developing static pressures of 5%inch wg and more, cover flexible connectors with loaded vinyl sheet held in place with metal straps.

I. Install thrust limits at centerline of thrust, symmetrical on both sides of equipment. Attach thrust limits at centerline of thrust and adjust to a maximum of 0.25%inch movement during start and stop of fans.


A. Tests and Inspections:

1. Operate dampers to verify full range of movement.



SLIDING BALANCER TRACK VEHICLE EXHAUST REMOVAL SYSTEM 233521 / 1

SECTION 233521 / SLIDING BALANCER TRACK VEHICLE EXHAUST REMOVAL SYSTEM

PART 1: GENERAL

1.1 SUMMARY A. Provide all labor, materials, and equipment necessary to put in working operation a complete turnkey system to

remove both diesel and automotive exhaust gases and particulate of operating vehicles within the confines of specified fire stations. All necessary controls, motors, fittings, ductwork, blowers, labor and all other equipment and materials specified shall be part of the work.

B. Section Includes: 1. Manufacturer 2. Sliding Track. 3. Support Legs. 4. Double Track Joiner Plate. 5. Track Splicing Assembly. 6. Riser Clamp Assembly. 7. Trolley/Balancer Assembly. 8. Upper Flexible Hose 9. Lower Hose Assembly 10. Safety Disconnect Coupling. 11. Collection Nozzle Assembly. 12. Hose Saddle. 13. Electrical Controllers. 14. Electrical System. 15. Air Moving Devices. 16. Ductwork System.

C. All items of equipment and materials described in these specifications shall be furnished installed and placed into

proper operating condition in accordance with good practice and manufacturer’s written or published instructions. 1. The exhaust removal system shall provide virtually 100 percent complete evacuation of all diesel

fumes at the source from start up to exit of the apparatus from the fire station. The diesel exhaust removal system shall be capable of delivering complete coverage for bays up to 60 feet in length. The system must be able to accommodate drive through and back/in bays to meet all the needs of the fire department.

2. System must be designed and installed to NIOSH recommendation, specifying that occupational exposures to carcinogens be limited to the lowest feasible concentration. Exposure in the human breathing zone should be limited to lowest feasible level, without any time delay required for the system to effectively capture the diesel fumes.

3. System shall also be capable to provide complete capture and evacuation of carbon monoxide emitted as part of the vehicle exhaust.

4. System must meet the guidelines for the International Mechanical code for Source Capture Systems. Such system is defined as a mechanical exhaust system designed and constructed to capture air contaminants at their source and to exhaust such contaminants to the outdoor atmosphere.

5. The system shall not affect personnel boarding the apparatus. Hose loops shall not hang any lower then six feet from the bay floor. The hose assembly shall not come into contact with the vehicle other than one connection point to the vehicles tailpipe. The hose assembly shall not touch or drag on the bay floor.

6. The exhaust system shall not block doorways, exits, and aisles in the apparatus bay, which could endanger the welfare of fire personnel or visitors.

7. The exhaust system shall not need to be disconnected from the vehicle while shore lines are connected, during battery charging, or washing of the vehicle, as with other types of systems.

8. To protect the apparatus electrical system from possible damage, the system bid shall not incorporate any type of electromagnetic device that requires the apparatus to be utilized as an electrical ground for systems operation.

9. Due to the harmful effects of diesel exhaust, the system must be designed and capable of capturing virtually 100% of the exhaust gas and virtually 100% of the particulate even in the event of a complete power failure. The system shall not detach itself from the apparatus for any reason during a power failure other then normal exiting of the apparatus bay.



10. The system shall capture the exhaust gases and particulate directly from the tailpipe of the apparatus by a direct connected “visible” high temperature rated hose. Particulates emitted from the apparatus are known to be heavier than air and therefore must be captured by a directly connected hose with a tight seal. The particulates have been documented to be the main respirable carcinogen in diesel exhaust, and therefore are the primary concern of the fire department to capture virtually 100% of these particulates.

1.2 SUBMITTALS

A. Product Data: Indicate manufacturer's model number, technical data including description of components and static pressure/air flow chart, and installation instructions. 1. Details of wiring for power differentiating between manufacturer/installed and field/installed wiring.

B. Closeout Submittals: Operation and Maintenance data manual including spare parts list.


A. Engage a factory certified installer to perform work of this Section who has completed installations similar in design and extent to that indicated for this Project, and who has a record of successful in/service performance.

1. All equipment listed in Specification Section 233521 shall be furnished and installed by Air Cleaning Technologies, Inc., 221 Oak Street, Bonner Springs< Kansas, 66012. Contact: Rory Smith: 913/422/0091. No Exceptions.

B. The manufacturer must be a ISO 9001:2000 certified www.iso.org manufacturer with certification issued to a United

States facility, this shows a commitment to delivering the highest quality service and products to the end user. Manufacturer shall be UL and CUL Certified www.ul.com/database/ and certified by the Air Movement and Control Association (AMCA) www.amca.org/search.htm to ensure quality, consistency and reliability of products. All certification documents shall be provided and attached to the bid proposal. No exceptions.

C. Conduct conference at each Project site. Review methods and procedures related to vehicle exhaust system

installation. 1. Review access requirements for equipment delivery. 2. Review equipment storage and security requirements. 3. Inspect condition of preparatory work performed by other trades. 4. Review structural loading limitations. 5. Review that all components specified in this Section and related components specified in other Sections are accounted for.

1.4 DELIVERY, STORAGE AND HANDLING A. Packing, Shipping, Handling and Unloading: Deliver components with protective packaging. Store in original

protective crating and covering and in a dry location.

1.5 PROJECT/SITE CONDITIONS A. Existing Conditions: Verify dimensions installation areas by field measurements.

1.6 COORDINATION

A. Coordinate layout and installation with other work, including light fixtures, fixed equipment and work stations, HVAC equipment, and fire/suppression system components.

B. Coordinate location and requirements of service/utility connections.

PART 2: PRODUCTS

2.1 MANUFACTURER

A. PlymoVent Corporation/Plymovent Industrial Ventilation Systems only. No Exceptions. 5 Corporate Drive Cranbury, New Jersey 08512 USA



Telephone: (609) 395/3500 Toll Free: (800) 644/0911 FAX: (609) 655/0569 WEB: [email protected]

2.2 SLIDING TRACK A. A one/piece continuous extruded aluminum track in a minimum length of 19 feet. Profile shall be of a Boxloc type

profile, track height 3/1/8 inches, track width 1/½ inches, track thickness 1/8 inch; aircraft aluminum alloy Type AA/6063 (ASTM B209/B209M). Track: Extruded design that shall incorporate three separate and functioning channels. Channels: Includes the mounting channel, the trolley channel and the Boxloc channel. Mounting Compartment: Designed to accept the slider bars (which shall be provided with factory supplied vertical support legs and riser clamp duct connection) and to allow positioning along the full length of the slotted track/mounting channel. Mounting Channel: Also accommodate the compressed airlines for the purposes of safe storage and appearance. Trolley Channel: Allow the trolley/balancer/ hose assembly to glide to the door threshold in a safe and effective manner. Boxloc Channel: Allow the whole track to remain rigid as it hangs from factory supplied leg supports and also shall provide an area to attach bolts for splicing additional tracks together for systems over 19 feet long. The overall extruded track lengths shall be 19 foot standard and shall weigh no more than 35 pounds. The track system shall be equipped with end stops that limit travel of flex hose as the vehicle exits the building. The end stop shall be fabricated of zinc plated steel in a U shape form with a rubber end stop on the impact end. It shall be attached by using a ¼ inch molded locking bolt. The end stop shall be secured to the track with no less than (2) ¼ inch bolts and locking nuts located on the underside of the track. For security, a ¼ inch bolt shall be drilled through the ends of each track system to ensure that the trolley/balancer assembly(s) roll no further than the end of the track system.

2.3 SUPPORT LEGS

A. Support Leg and Mounting Feet: Manufactured and provided by the supplier of primary exhaust removal system (Equipment Manufacturer). Leg Material: Aircraft aluminum alloy Type AA/6063 (ASTM B209/B209M). Supports shall come standard in 19 feet lengths. A minimum of one support with appropriate bracing shall be provided for every 10 linear feet of track profile. The support legs shall consist of a square tubular profile with dimensions no less than 2 inch OD X 0.1 inch with 0.4 inch fastening hardware provided. Vertical Adjustable Mounting Foot: Capable of attaching the leg assembly to a ceiling with a 30 degree pitch, complete with a slider bar and 3/8 inch hardware necessary for mounting the horizontal track to the mounting channel system. Horizontal Adjustable Mounting Foot: Capable of attaching the leg assembly to a wall, complete with a slider bar and 3/8 inch hardware necessary for mounting the horizontal track to the mounting channel system. Support Leg: Equipped with round tubular zinc/plated steel knee brace with pressed ends in standard lengths of 20 inches, 30 inches and 72 inches. Angle Completely adjustable to the leg support and mounted perpendicular and parallel to direction of the track. Typical Support Angle: 45 degrees from the centerline of the factory provided support leg. The standard leg shall be capable of meeting a Seismic 4 requirements. “Uni/strut”, all/thread rod, and/or chains may not be used in place of a leg assembly or to support the system.

2.4 DOUBLE TRACK JOINER PLATE A. Joiner Plate: constructed from a minimum of ¼ inch thick zinc/plated material, designed to connect two parallel

tracks to make a double track system to accommodate an apparatus bay over 40 feet in length. Joiner Plate: 10 inch by 8 inch flat zinc/plated steel and designed to attach the two tracks to a single factory supplied support leg. The steel plate shall have (6) 3/8 inch holes drilled 6/7/8 inches apart to accommodate the slider bar provided with factory support legs. Joiner Plate: Have two slider bars attached to the plate, located on the outside edges of the plate. These slider bars shall fit into the Boxloc track mounting channel for a simple and secure attachment of the plate to the Boxloc track. The center portion of the joiner plate shall provide attachment for the factory supplied support leg.

2.5 TRACK SPLICING ASSEMBLY A. Track Splice: Manufactured of galvanized steel (ASTM A653/A653M) in two parts and utilized as a clamping

device. This clamp shall accurately secure both tracks together in a fashion, which shall eliminate any possibility of obstructing the trolley assembly as it passes through this connection point of track system. Connecting length of splice shall be a minimum of 15/3/4 inches long and fabricated of 14/gauge material. Four (4) 1/4 inch bolts with lock nuts shall pass directly through internal partition of the Boxloc track. The splicing sleeve shall fit externally around the outside dimension of extruded aluminum track profile.



2.6 RISER CLAMP ASSEMBLY A. Riser Clamp: Fabricated as a one piece welded assembly, manufactured to create the transfer of the hard/spiral

pipe joined at the top and flexible duct connection at the bottom. A slider bar and associated hardware shall be provided with riser clamp assembly. Sizes of the riser clamp will range from 4 inches to 5 inches in diameter to match the output velocity of the vehicles that will park in that station.

2.7 TROLLEY/BALANCER ASSEMBLY A. Trolley Assembly: Manufactured as a two/piece galvanized steel assembly including bumper stops at each end.

Fixed to the side of the trolley are solid steel pins, which shall be for load carrying bearings that are sealed and permanently lubricated. The load carrying bearings shall travel internally in track trolley channel. Two additional permanently lubricated trolley wheels shall be provided on bottom side of the track to reduce wobble of trolley as it conveys the hose assembly to the door threshold. Release Plate: Attached to the chassis of the trolley to smoothly energize the uncoupling release valve when the trolley/balancer assembly approaches the door threshold. System Balancer Assembly: Self/adjusting weight spring tension balancer with a lifting capacity of no less than 31 pounds. The balancer shall have a minimum diameter stainless steel cable of .080 inch, with a safety link connection.

2.8 UPPER FLEXIBLE HOSE A. Upper Hose: Flexible exhaust hose manufactured for the sole purpose of venting high temperature exhaust gases.

Flexible Hose: Designed strictly for the harsh environment of rapid response and auto/release of a vehicle exhaust tailpipe. Hose: Range from 4 inch to 5 inch diameters with varying lengths depending on the system length required ranging from 20 feet to 43 feet without joining or splicing connections. Hose Material: High temperature synthetic rubber impregnated into a high temperature laminated fabric with a minimum overlapping thickness of 2/7/16 inches. This construction of hose shall be capable of operating at continuous temperatures of 400 degrees F and intermittent temperatures of 500 degrees F such as are experienced when pump checks are performed inside the station. Wire Helix: Bound and protected in laminations of hose winding. This shall be accomplished in a fashion, which eliminates any possibility of personnel coming in contact with an exposed hot metal helix. The hose shall further protect the internal wire helix from heat buildup and in turn add increased visibility to personnel. Wear Strip: 9/16 inch wide and be provided as a safety yellow color. The bend radius of the high temperature hose shall be no less than 1.5 times the diameter of hose to ensure that hot gases are not restricted as they pass through the system. Hoses utilizing an exposed metal helix will not be acceptable due to potential burn hazard and/or shock hazard from being utilized as a grounded, grounding or current carrying conductor for electromagnet connections.

2.9 LOWER HOSE ASSEMBLY A. Lower Hose: Rigid 4 inch to 5 inch diameter by 2 foot long section of yellow and black hose identical in

appearance to the upper hose assembly. Lower Hose: Support the connection nozzle and Stainless reducing elbow in a rigid fashion to allow for the operator to place hose collection nozzle onto the tailpipe without bending over. The lower hose is the only section of hose which shall disconnect from the upper hose assembly and act as a safety disconnect in the unlikely event the nozzle gets entangled. Hoses utilizing an exposed metal helix will not be acceptable due to potential burn hazard.

2.10 SAFETY DISCONNECT COUPLING A. Safety Disconnect Coupling: 4/part segmented coupling with removable wear strips to protect the vehicle and

disconnect from wear shall be incorporated in the design of the system. Coupling: Consists of two high temperature composite collars connected by a reusable/segmented coupling band. The release tension of this device shall be preset at 130 pounds and adjustable from 20 pounds to 206 pounds of separating force to accommodate varying exit speeds of vehicles. Coupling shall be re/usable and easily reconnected.

2.11 COLLECTION NOZZLE ASSEMBLY A. Collection Nozzle Assembly: Provides a substantially air tight seal around exhaust tail pipe when connected thus

allowing for virtually 100% source capture. The seal shall limit escape of life threatening exhaust gases, which may be present during the following conditions:

1. In the event vehicle's engine is accelerated above normal idle resulting in an exhaust velocity greater than 5000 feet per minute.

2. In the event that the output velocity or CFM of the exhaust exceeds the manufacturers normal capture velocity or CFM of exhaust system.



B. Magnetic Nozzle: Engineered and specially designed Patent Pending exhaust system nozzle (female connection)

that is specifically designed to fit tightly over the circumference of an engineered conical mating ring (male connection) that attaches to the tail pipe and attaches tightly around the ring to capture virtually 100% of the carcinogenic diesel exhaust

C. The Stainless/reducing elbow that connects to the connection nozzle shall be fabricated using continuous welded

construction. Angle of Transition: No less than or greater than 67 degrees from the centerline of the reducer. stainless Reducer: Incorporate a primary expanded metal debris screen, which is permanently affixed by welded seams to the inside, opening of exhaust fitting.

2.12 HOSE SADDLE A. Hose Suspension Saddle: Fabricated of a rubber molded cushion specifically manufactured for the sole purpose of

suspending high temperature exhaust ventilation hose in a rapid response and auto/release application. The design of the saddle shall smoothly transition the direction of the hose during its travel along the track. Securing clamps shall be provided including a link fastener, for the purpose of mounting it to the balancer safety link.

2.13 ELECTRICAL CONTROLLERS A. Controller: Built and supplied by a UL recognized and listed exhaust system manufacturer. Controller shall carry

the UL / CUL listing label as an “Enclosed Industrial Control Panel.” Individual components listed by UL / CUL shall not satisfy the above requirement. Manufacturer shall undergo monthly inspections by UL to verify all requirements and standards are met as outlined by UL. The controller shall be delivered as an Operating System Three series controller or an approved equal to the specifications to follow.

B. Electrical Controllers: Bear a visible UL listing label as proof of subscribership and shall be validated by UL

www.ul.com/database/ as an “Enclosed Industrial Control Panel”. Certification documents shall accompany bid documents.

1. Manufacturer Name: 2. UL File No.: 3. Electrical controller and manufacturer shall be recognized and listed by UL. Controller shall be manufactured in

accordance with Underwriters Laboratories standard UL/508 for “Enclosed Industrial Control Panels”. The electrical controller shall include a Class 1 limited energy control circuit. Enclosures shall be NEMA 12 rated and UL listed as Type 12. The electrical control components shall be provided and mounted in an electrical enclosure to restrict access to internal components of the controller by authorized personnel only.

C. Controller Performance: Designed to sense the output pressure and/or temperature change inside the ductwork

system, which is normally generated by any internal combustion engine designed to propel a motor vehicle. The operating logic shall be designed to complete this cycle. At any point in time when a collection device is connected to a motor vehicle's exhaust tailpipe, as the operator starts the vehicle, the controller shall automatically sense the engine's output pressure or temperature of the exhaust and in turn energize the electrical contactor which will supply power to the AMCA certified spark resistant fan motor. Through the use of an adjustable timer the controller shall keep the contactors energized for up to six minutes in accordance with the stations response requirement. If the responding vehicle does not disconnect from the exhaust ventilation system in less than the designated setting, the temperature override switch shall override the time delay to ensure continuous system operation. This automated function will work for as long as the exhaust gas temperature is in excess of the setting on the heat sensor located in the ductwork system. This cycle shall not allow the electrical contactor, which energizes the exhaust fan, to short cycle or stop the fan while the system is connected to an operating vehicle.

D. Motor Control Contactor: Allen Bradley Industrial Electrical Contactor 100C series. The contactor shall be UL / CUL

listed as an approved component. E. Motor Control Overload Relay: Allen Bradley 193 E1 Plus series. Overload relay shall have an adjustable trip range

to meet the proper full load amperage of the blower motor. F. Soft Touch Controls: Incorporated on the face or the access door of the controller by the use of an adhesive

backed Lexan membrane type label to prevent water infiltration, which would void the NEMA 12R rating. Label: Provided and secured permanently to the exterior of the electrical controller. Label: Include the name of the manufacturer, address, telephone number, user instructions and any warnings or cautions required by Underwriters Laboratories.

1. Auto Start: This mode of operation shall be strictly for normal day to day use, as it would apply to receiving an emergency call and leaving the station. Any one or combination of the three devices listed below in Paragraph



H shall activate the system. The system shall maintain itself in the Auto Start mode and always return there after the Stop sequence has been initiated. The controller shall not have a permanent off position due to the potential health hazards of diesel exhaust components.

2. Stop: This mode of operation shall be a system override to shut down the system manually. Upon activating this mode of operation the exhaust system blower shall shut down. After a period not to exceed three seconds the controller shall automatically return to the Auto Start ready mode. This shall be a safety feature to prevent a potential health hazard from carcinogenic diesel exhaust leakage from systems having an undesirable open nozzle.

3. Manual Run: This mode of operation shall be a system override to run the exhaust system blower continuously for the purpose of running the vehicles indoors for equipment checks during inclement weather. Upon activating this mode of operation the exhaust system blower shall start and run continuously until the Stop mode is activated at which point the system will automatically return to the Auto Start ready mode within a maximum three second time period.

G. System Indicator LED’s: Show system status at all times. 1. Auto Start Indicator: Indicate the system is in the fully automatic mode of operation and that power is on to the

controller. 2. Fan On Indicator: Indicate that power is being applied to the system blower and the controller is operating

normally. 3. Filter Status Indicator: Indicates, if flashing, excessive pressure loss across the filter bank media.

Consequently the filter must be serviced to maintain optimum efficiency of the system. 4. Stop Indicator: Indicate the fan has been manually de/energized and will return to the Auto Start ready

sequence in less than three seconds to prevent the system blower from being left in the Off mode. 5. Manual Run Indicator: Indicate the fan is operating in a continuous run mode until interrupted by the stop mode

activation. H. Controller Transformer: UL listed industrial control circuit transformer sized to properly supply all components so

that only one transformer shall be required. Transformer shall be provided with multi/tap primary for 115, 208, 240, 277, 400, 480, and 600VAC, and 24, 120, 230VAC secondary operating on 50 or 60 hertz with a capacity of 90 volt amperes.

I. Control Circuit Protection: By the use of primary and secondary fuses to meet UL requirements. The primary shall

be protected by a pair of FLQ style fuses rated at 1.6 amps for voltages under 400V and a pair of .75 amp fuses for voltages over 400V. A single glass fuse rated at 3.15 amps at 250V shall protect the secondary side of the control circuit.

J. Electronic Control Circuit Card: Solid state printed circuit board. The soft controls shall be an integral part of the

control circuit card. The control circuit card shall utilize a potentiometer to adjust the length of the timing cycle from 7 to 360 seconds. It shall incorporate several different modes of operation and optional features.

K. Activation Devices:

1. 3/function remote control receiver model RCRC/3R. Refer to drawings for transmitter base bid and alternates bid.

L. Clean Filter Indicator Alarm: Used in conjunction with the optional Unifilter for filtering diesel exhaust particulate

before release to the atmosphere. The clean filter indicator shall monitor the pressure loss across the filter bank media. Once the useful life of the filter has been depleted the pressure differential switch will signal a high/pressure loss and flash the “Fan On” indicator while the exhaust blower is running.

M. Optional System Monitor: Shall be an optional feature to monitor the system and advise when a preset number of

emergency runs or run time on the system have accrued. N. Optional No Airflow Alarm: Shall be an optional feature to monitor the system and advise when the exhaust fan is

not functioning properly. O. Optional Carbon Monoxide Alarm: Shall be an optional feature to monitor the carbon monoxide levels inside the

apparatus bay area. R. Product Manual: Shall be provided with each electrical control box supplied. The product manual shall include a

description of components with part numbers inclusive to the controller. It shall include a wiring schematic showing all internal circuitry as well as all field installed wiring connections to the controller.



S. Electrical Interference: To protect the apparatus and communications, designs that allow any possibility of electrical back/feed or induced current which may interfere with a central services communication or onboard vehicle computer logic or navigational equipment will not be accepted.

2.15 AIR MOVING DEVICES A. Centrifugal Fans: Direct drive centrifugal type, high pressure, single width, single inlet as required or indicated.

Impeller Wheels: Radial design or backward incline for performance, spark resistant and made of a non/ferrous material to prevent static electricity build up. The impeller shall be dynamically and statically balanced and of the non/overloading type to provide maximum efficiency while achieving quiet, vibration/free operation. The fan housing shall be manufactured from an epoxy powder coated galvanized steel or nonferrous material. The outlet configuration shall be top horizontal, bottom horizontal, or upblast, as shown on the bid documents. The housing shall be capable of field reconfiguration in the event the mounting position needs to be changed for unforeseen reasons. For aesthetic reasons the fan motor and assembly shall be mounted on a welded Type 304 stainless steel (ASTM A240/A240M) or epoxy powder coated steel mounting base to prevent rust stains on the exterior of the building. The fan housing and motor mounting hardware shall be Type 304 stainless steel (ASTM A240/A240M) for serviceability reasons.

B. Fan Motor and Bearing: All 1 horsepower to 15 horsepower motors shall be totally enclosed fan cooled (TEFC)

continuous duty rated. The motors shall be dual voltage where applicable. Motors built after October 27th, 1997 shall comply with the government mandated “Energy Policy and Conservation Act” (EPACT) as outlined by the Department of Energy. The bearings shall be self/aligned, ball bearing type permanently sealed and lubricated. The exhaust discharge outlet shall be in compliance with International Mechanical Code and ACGIH recommendations (min. of 36" above roofline). Air intakes, windows, cascade systems, prevailing currents, communication equipment and building aesthetics shall be considered in the final location of the fan.

1. Teflon Shaft Seal: The fan shaft shall be steel and rotate in a non/sparking TEFLON seal to prevent leakage and to prevent hot exhaust gases from coming into contact with the motor bearings.

2. Variable Speed Drive: The motor shall be compatible with a variable speed drive unit. C. Performance: The delivered volume shall take into account all the static regain of vehicle engine exhaust (based on

an airtight connection at the tailpipe), lengths of ductwork, elbows, branches, shut off, wyes, etc. which accumulate the static pressure at the field inlet. The manufacturer’s provided fan(s) shall be performance guaranteed.

1. Fan Capacity: The Fan Capacity shall be sized as such as to deliver the required CFM at each hose drop to which the vehicle is attached.

a. The 4/inch hose system shall be designed to deliver a minimum of 500 CFM at a velocity of 5800 FPM at the hose and nozzle connection.

b. The 5/inch hose system shall be designed to deliver a minimum of 750 CFM at a velocity of 5800 FPM at the hose and nozzle connection.

c. The 6/inch system shall be designed to deliver a minimum of 1100 CFM at a velocity of 5800 FPM at the hose and nozzle connection.

PART 3 EXECUTION

3.1 EXAMINATION A. Examine areas and conditions, with Installer present, for compliance with requirements for installation tolerances,

service/utility connections, and other conditions affecting installation and performance of equipment. Do not proceed with installation until unsatisfactory conditions have been corrected.

3.2 PREPARATION A. Provide surface/substrate preparation as required by the manufacturer's printed installation instructions. Do not

proceed with installation is in proper condition to receive vehicle exhaust system installation.

3.3 INSTALLATION A. Install vehicle exhaust system in accord with manufacturer’s written instructions, original design and referenced

standards.

3.4 ADJUSTING



A. Adjust vehicle exhaust system for proper operation. Replace any parts that prevent the system from operating properly.

3.5 CLEANING A. Remove all debris caused by installation of the vehicle exhaust system. Clean all exposed surfaces to as fabricated

condition and appearance.

3.6 PROTECTION

A. Provide protection of the completed installation until completion of the project. Repair any damage at no additional cost to Owner.

3.7 TRAINING A. Provide training to fire department personnel in the daily use and maintenance of the vehicle exhaust removal

system that has been installed and specified herein. The fire department shall be notified at least 7 days prior to the date scheduled for the training course. Training shall be for all personnel involved with the operation of the exhaust removal system to include all shifts required to man the particular facility. The Training session shall be performed in person by a recognized representative of the manufacturer of the exhaust removal system, in addition a training video shall be provided to the fire department.

1. Provide training to all shifts during their normal shift period. 2. Provide twelve (12) training sessions, scheduled with the Springfield Fire Department.

3.8 WARRANTY

A. Provide a written warrantee for a period of one (1) year from date of substantial completion for all components. END OF SECTION 233521


UNIT HEATERS 238239 ' 1

SECTION 238239 – GAS'FIRED RADIANT UNIT HEATERS

PART 1 ' GENERAL

1.1 SUMMARY


1. Gas'fire, radiant unit heaters.

1.2 SUBMITTALS

A. Product Data: Include rated capacities, operating characteristics, furnished specialties, and accessories for each product indicated.

B. Operation and maintenance data.


A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

B. ASHRAE Compliance: Applicable requirements in ASHRAE 62.1'2004, Section 5 ' "Systems and Equipment" and Section 7 ' "Construction and Startup."

C. ASHRAE/IESNA 90.1'2004 Compliance: Applicable requirements in ASHRAE/IESNA 90.1'2004, Section 6 ' "Heating, Ventilating, and Air'Conditioning."

PART 2 ' PRODUCTS

2.1 GAS'FIRE RADIANT UNIT HEATERS

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the work include, but are not limited to, the following:

B. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Airtherm; a Mestek Company. 2. Engineered Air Ltd. 3. McQuay International. 4. Rosemex Products. 5. Ruffneck Heaters; a division of Lexa Corporation. 6. Trane.

PART 3 ' EXECUTION

3.1 INSTALLATION

A. Install unit heaters to comply with NFPA 90A.

B. Suspend unit heaters from structure with all'thread hanger rods and elastomeric hangers.

C. Install wall'mounting thermostats and switch controls in electrical outlet boxes at heights to match lighting controls. Verify location of thermostats and other exposed control sensors with Drawings and room details before installation.

D. Unless otherwise indicated, install union and shut'off valve on gas connection of unit heater.

E. Install piping adjacent to machine to allow service and maintenance.

F. Comply with safety requirements in UL 1995.

G. Ground equipment according to Division 26 Section "Grounding and Bonding for Electrical Systems."

H. Connect wiring according to Division 26 Section "Low'Voltage Electrical Power Conductors and Cables."


A. Perform the following field tests and inspections and prepare test reports:


UNIT HEATERS 238239 ' 2

1. Operational Test: After electrical circuitry, has been energized, start units to confirm proper motor rotation and unit operation.

2. Operate electric heating elements through each stage to verify proper operation and electrical connections.

3. Test and adjust controls and safety devices. Replace damaged and malfunctioning controls and equipment.

B. Remove and replace malfunctioning units and retest as specified above.



COMMON WORK RESULTS FOR ELECTRICAL 260500 * 1

SECTION 260500 * COMMON WORK RESULTS FOR ELECTRICAL

PART 1 * GENERAL

1.1 SUMMARY


1. Sleeves for raceways and cables. 2. Sleeve seals. 3. Grout. 4. Common electrical installation requirements.

1.2 SPECIFICATION FORM AND DEFINITIONS

A. Design Engineer, hereinafter abbreviated D/E shall mean the Engineering firm, Malone Finkle Eckhardt & Collins, Inc., 3333 E Battlefield Rd, Suite 1000, Springfield, MO 65804, Telephone (417) 881"0020. Contact person: Anthony G. Beier

PART 2 * PRODUCTS

2.1 SLEEVES FOR RACEWAYS AND CABLES


B. Sleeves for Rectangular Openings: Galvanized sheet steel.

1. Minimum Metal Thickness:

a. For sleeve cross*section rectangle perimeter less than 50 inches and no side more than 16 inches, thickness shall be 0.052 inch.

b. For sleeve cross*section rectangle perimeter equal to, or more than, 50 inches and 1 or more sides equal to, or more than, 16 inches, thickness shall be 0.138 inch.

2.2 GROUT

A. Nonmetallic, Shrinkage*Resistant Grout: ASTM C 1107, factory*packaged, nonmetallic aggregate grout, noncorrosive, non*staining, mixed with water to consistency suitable for application and a 30*minute working time.

PART 3 * EXECUTION

3.1 COMMON REQUIREMENTS FOR ELECTRICAL INSTALLATION

A. Measure indicated mounting heights to bottom of unit for suspended items and to center of unit for wall*mounting items, unless otherwise noted.

B. Headroom Maintenance: If mounting heights or other location criteria are not indicated, arrange and install components and equipment to provide maximum possible headroom consistent with these requirements.

C. Equipment: Install to facilitate service, maintenance, and repair or replacement of components of both electrical equipment and other nearby installations. Connect in such a way as to facilitate future disconnecting with minimum interference with other items in the vicinity.

D. Right of Way: Give to piping systems installed at a required slope.

3.2 SLEEVE INSTALLATION FOR ELECTRICAL PENETRATIONS

A. Electrical penetrations occur when raceways, cables, wireways, cable trays, or busways penetrate concrete slabs, concrete or masonry walls, or fire*rated floor and wall assemblies.

B. Concrete Slabs and Walls: Install sleeves for penetrations unless core*drilled holes or formed openings are used. Install sleeves during erection of slabs and walls.

C. Use pipe sleeves unless penetration arrangement requires rectangular sleeved opening.

D. Fire*Rated Assemblies: Install sleeves for penetrations of fire*rated floor and wall assemblies unless openings compatible with firestop system used are fabricated during construction of floor or wall.


COMMON WORK RESULTS FOR ELECTRICAL 260500 * 2

E. Cut sleeves to length for mounting flush with both surfaces of walls.

F. Extend sleeves installed in floors 2 inches above finished floor level.

G. Size pipe sleeves to provide 0.25*inch annular clear space between sleeve and raceway or cable, unless indicated otherwise.

H. Seal space outside of sleeves with grout for penetrations of concrete and masonry

1. Promptly pack grout solidly between sleeve and wall so no voids remain. Tool exposed surfaces smooth; protect grout while curing.

I. Interior Penetrations of Non*Fire*Rated Walls and Floors: Seal annular space between sleeve and raceway or cable, using joint sealant appropriate for size, depth, and location of joint. Comply with requirements in Division 07 Section "Joint Sealants."

J. Roof*Penetration Sleeves: Seal penetration of individual raceways and cables with flexible boot*type flashing units applied in coordination with roofing work.

K. Aboveground, Exterior*Wall Penetrations: Seal penetrations using steel pipe sleeves and mechanical sleeve seals. Select sleeve size to allow for 1*inch annular clear space between pipe and sleeve for installing mechanical sleeve seals.

3.3 SLEEVE*SEAL INSTALLATION

A. Install to seal exterior wall penetrations.

B. Use type and number of sealing elements recommended by manufacturer for raceway or cable material and size. Position raceway or cable in center of sleeve. Assemble mechanical sleeve seals and install in annular space between raceway or cable and sleeve. Tighten bolts against pressure plates that cause sealing elements to expand and make watertight seal.

3.4 FIRESTOPPING

A. Apply firestopping to penetrations of fire*rated floor and wall assemblies for electrical installations to restore original fire*resistance rating of assembly. Firestopping materials and installation requirements are specified in Division 07 Section "Penetration Firestopping."



LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 260519 1

SECTION 260519 LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES

PART 1 GENERAL

1.1 SUMMARY


1. Building wires and cables rated 600 V and less. 2. Connectors, splices, and terminations rated 600 V and less. 3. Sleeves and sleeve seals for cables.

PART 2 PRODUCTS

2.1 CONDUCTORS AND CABLES

A. Copper Conductors: Comply with NEMA WC 70.

B. Conductor Insulation: Comply with NEMA WC 70 for Types THHN THWN.

C. Multiconductor Cable: Comply with NEMA WC 70 for metal clad cable, Type MC with ground wire.

2.2 CONNECTORS AND SPLICES


1. AFC Cable Systems, Inc. 2. Hubbell Power Systems, Inc. 3. O Z/Gedney; EGS Electrical Group LLC. 4. 3M; Electrical Products Division. 5. Tyco Electronics Corp.

B. Description: Factory fabricated connectors and splices of size, ampacity rating, material, type, and class for application and service indicated.

2.3 SLEEVES FOR CABLES


PART 3 EXECUTION

3.1 CONDUCTOR MATERIAL APPLICATIONS

A. Feeders: Copper for feeders smaller than No. 4 AWG; copper for feeders No. 4 AWG and larger. Solid or stranded for No. 10 AWG and smaller; stranded for No. 8 AWG and larger. Sizes noted on drawings are for copper.

B. Branch Circuits: Copper. Solid or stranded for No. 10 AWG and smaller; stranded for No. 8 AWG and larger.

C. Use no conductors smaller than No. 12 gauge unless specifically called for or approved by Design Engineer. Size wire for 120 volt branch Circuits for 3% maximum voltage drop. Size feeder circuits for 2 percent maximum voltage drop. Combined voltage drop of feeders and branch circuits shall not exceed 5 percent maximum.

3.2 CONDUCTOR INSULATION AND MULTICONDUCTOR CABLE APPLICATIONS AND WIRING METHODS

A. Exposed Branch Circuits, Including in Crawlspaces: Type THHN THWN, single conductors in raceway.

B. Branch Circuits Concealed in Ceilings, Walls, and Partitions: Type THHN THWN, single conductors in raceway.

C. Class 1 Control Circuits: Type THHN THWN, in raceway.

D. Class 2 Control Circuits: Type THHN THWN, in raceway Power limited cable, concealed in building finishes.



3.3 INSTALLATION OF CONDUCTORS AND CABLES

A. Run conductors in conduit continuous between outlets and junction boxes with no splices or taps pulled into conduits.

B. Neatly route, tie and support conductors terminating at switchboards, motor control centers, panelboards, sound equipment, etc., with Thomas & Betts Ty Rap cable ties and clamps or equivalent by Electrovert or Panduit.

C. Conceal cables in finished walls, ceilings, and floors, unless otherwise indicated.

D. Use manufacturer approved pulling compound or lubricant where necessary; compound used must not deteriorate conductor or insulation. Do not exceed manufacturer's recommended maximum pulling tensions and sidewall pressure values.

E. Use pulling means, including fish tape, cable, rope, and basket weave wire/cable grips, that will not damage cables or raceway.

F. Install exposed cables parallel and perpendicular to surfaces of exposed structural members, and follow surface contours where possible.

G. Support cables per Division 26 Sections "Hangers and Supports for Electrical Systems."

H. Identify and color code conductors and cables per Division 26 Section "Identification for Electrical Systems."

I. Tighten electrical connectors and terminals per manufacturer's published torque tightening values. If manufacturer's torque values are not indicated, use those specified in UL 486A and UL 486B.

J. Make splices and taps that are compatible with conductor material and that possess equivalent or better mechanical strength and insulation ratings than unspliced conductors. 1. Make circuit conductor splices with Buchanan B Cap nylon insulated connectors or equivalent by

Ideal or 3M. 2. Make fixture and device taps with Scotchlock self stripping electrical tap connectors. 3. Terminate solid conductors at equipment terminal strips and other similar terminal point with insulated

solderless terminal connectors. Terminate all stranded conductor terminal points with insulated solderless terminal connectors. Provide Thomas & Betts Sta Kon insulated terminals and connectors or equivalent by API/AMP Blackburn, Buchanan or Scotchlock.

4. Where a total of six or more control and feeder conductors terminate in a multiple device panel or enclosure that has no built in terminal blocks, provide mounting channel and see thru covers. Equivalent terminal blocks by General Electric, Square D or Westinghouse.

5. Wrap conductor taps and connections requiring additional insulation with a minimum of three (3) overlapped layers of 3M Scotch vinyl plastic electrical tape No. 88 or equivalent.

K. Wiring at Outlets: Install conductor at each outlet, with at least 6 inches of slack.

3.4 SLEEVE INSTALLATION FOR ELECTRICAL PENETRATIONS

A. Concrete Slabs and Walls: Install sleeves for penetrations unless core drilled holes or formed openings are used. Install sleeves during erection of slabs and walls.

B. Fire Rated Assemblies: Install sleeves for penetrations of fire rated floor and wall assemblies unless openings compatible with firestop system used are fabricated during construction of floor or wall.

C. Cut sleeves to length for mounting flush with both wall surfaces.

D. Size pipe sleeves to provide 0.25 inch annular clear space between sleeve and cable unless sleeve seal is to be installed.

E. Interior Penetrations of Non Fire Rated Walls and Floors: Seal annular space between sleeve and cable, using joint sealant appropriate for size, depth, and location of joint.

3.5 SLEEVE SEAL INSTALLATION

A. Use type and number of sealing elements recommended by manufacturer for cable material and size. Position cable in center of sleeve. Assemble mechanical sleeve seals and install in annular space between cable and sleeve. Tighten bolts against pressure plates that cause sealing elements to expand and make watertight seal.

3.6 FIRESTOPPING

A. Apply firestopping to electrical penetrations of fire rated floor and wall assemblies to restore original fire resistance rating of assembly.


GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 + 1

SECTION 260526 + GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

PART 1 + GENERAL

1.1 SUMMARY

A. This Section includes methods and materials for grounding systems and equipment. Provide a grounding system as required by the National Electric Code (NEC) and local authorities.



B. Comply with UL 467 for grounding and bonding materials and equipment.

PART 2 + PRODUCTS

2.1 CONDUCTORS

A. Insulated Conductors: Copper wire or cable insulated for 600 V unless otherwise required by applicable Code or authorities having jurisdiction.

B. Bare Copper Conductors:

1. Solid Conductors: ASTM B 3. 2. Stranded Conductors: ASTM B 8. 3. Tinned Conductors: ASTM B 33.

2.2 CONNECTORS

A. Listed and labeled by a nationally recognized testing laboratory acceptable to authorities having jurisdiction for applications in which used, and for specific types, sizes, and combinations of conductors and other items connected.

B. Bolted Connectors for Conductors and Pipes: Copper or copper alloy, bolted pressure+type, with at least two bolts.

1. Pipe Connectors: Clamp type, sized for pipe.

C. Welded Connectors: Exothermic+welding kits of types recommended by kit manufacturer for materials being joined and installation conditions.

PART 3 + EXECUTION

3.1 APPLICATIONS

A. Conductors: Install solid or stranded conductor for No. 8 AWG and smaller, and stranded conductors for No. 6 AWG and larger, unless otherwise indicated.

B. Conductor Terminations and Connections:

1. Pipe and Equipment Grounding Conductor Terminations: Bolted connectors. 2. Connections to Ground Rods at Test Wells: Bolted connectors. 3. Connections to Structural Steel: Welded connectors.

3.2 EQUIPMENT GROUNDING

A. Install insulated equipment grounding conductors with the following items, in addition to those required by NFPA 70: 1. Single+phase motor and appliance branch circuits. 2. Three+phase motor and appliance branch circuits. 3. Flexible raceway runs. 4. Metal+clad cable runs.

B. Air+Duct Equipment Circuits: Install insulated equipment grounding conductor to duct+mounted electrical devices operating at 120 V and more, including air cleaners, heaters, dampers, humidifiers, and other duct electrical equipment. Bond conductor to each unit and to air duct and connected metallic piping.


GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 + 2

3.3 INSTALLATION

A. Grounding Conductors: Route along shortest and straightest paths possible, unless otherwise indicated or required by Code. Avoid obstructing access or placing conductors where they may be subjected to strain, impact, or damage.


A. Perform the following tests and inspections and prepare test reports:

1. After installing grounding system but before permanent electrical circuits have been energized, test for compliance with requirements.

B. Report measured ground resistances that exceed the following values:

1. Equipment or System with Capacity 500 kVA and Less: 5 ohms. 2. Equipment or System with Capacity 500 to 1000 kVA: 5 ohms. 3. Equipment or System with Capacity More Than 1000 kVA: 3 ohms.

C. Excessive Ground Resistance: If resistance to ground exceeds specified values, notify Architect promptly and include recommendations to reduce ground resistance.



HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS 260529 - 1

SECTION 260529 - HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes:

1. Hangers and supports for electrical equipment and systems.


A. Design supports for multiple raceways capable of supporting combined weight of supported systems and its contents.

B. Design equipment supports capable of supporting combined operating weight of supported equipment and connected systems and components.


A. Comply with NFPA 70.

PART 2 - PRODUCTS

2.1 SUPPORT, ANCHORAGE, AND ATTACHMENT COMPONENTS

A. Steel Slotted Support Systems: Comply with MFMA-4, factory-fabricated components for field assembly.


a. Cooper B-Line, Inc.; a division of Cooper Industries. b. Thomas & Betts Corporation. c. Unistrut; Tyco International, Ltd.

2. Metallic Coatings: Hot-dip galvanized after fabrication and applied according to MFMA-4. 3. Nonmetallic Coatings: Manufacturer's standard PVC, polyurethane, or polyester coating applied

according to MFMA-4. 4. Painted Coatings: Manufacturer's standard painted coating applied according to MFMA-4. 5. Channel Dimensions: Selected for applicable load criteria.

B. Raceway and Cable Supports: As described in NECA 1 and NECA 101.

C. Conduit and Cable Support Devices: Steel and malleable-iron hangers, clamps, and associated fittings, designed for types and sizes of raceway or cable to be supported.

D. Support for Conductors in Vertical Conduit: Factory-fabricated assembly consisting of threaded body and insulating wedging plug or plugs for non-armored electrical conductors or cables in riser conduits. Plugs shall have number, size, and shape of conductor gripping pieces as required to suit individual conductors or cables supported. Body shall be malleable iron.

E. Structural Steel for Fabricated Supports and Restraints: ASTM A 36/A 36M, steel plates, shapes, and bars; black and galvanized.

F. Mounting, Anchoring, and Attachment Components: Items for fastening electrical items or their supports to building surfaces include the following: 1. Clamps for Attachment to Steel Structural Elements: MSS SP-58, type suitable for attached structural

element. 2. Through Bolts: Structural type, hex head, and high strength. Comply with ASTM A 325. 3. Toggle Bolts: All-steel springhead type. 4. Hanger Rods: Threaded steel.

2.2 FABRICATED METAL EQUIPMENT SUPPORT ASSEMBLIES

A. Description: Welded or bolted, structural-steel shapes, shop or field fabricated to fit dimensions of supported equipment.

B. Materials: Comply with requirements in Division 05 Section "Metal Fabrications" for steel shapes and plates.



PART 3 - EXECUTION

3.1 APPLICATION

A. Comply with NECA 1 and NECA 101 for application of hangers and supports for electrical equipment and systems except if requirements in this Section are stricter.

B. Support vertical and horizontal conduit runs at intervals not greater than 10 feet, within 3 feet of any bend and at every outlet or junction box. Where plastic conduit is used, follow E/M’s recommended hangar spacing.

C. Maximum Support Spacing and Minimum Hanger Rod Size for Raceway: Space supports for EMT, IMC, and RMC as required by NFPA 70. Minimum rod size shall be 0.25-inch in diameter.

D. Multiple Raceways or Cables: Install trapeze-type supports fabricated with steel slotted or other support

system, sized so capacity can be increased by at least 25 percent in future without exceeding specified design load limits.

1. Secure raceways and cables to these supports with single-bolt conduit clamps.

E. Spring-steel clamps designed for supporting single conduits without bolts may be used for 1.5-inch and smaller raceways serving branch circuits and communication systems above suspended ceilings and for fastening raceways to trapeze supports.

3.2 SUPPORT INSTALLATION

A. Comply with NECA 1 and NECA 101 for installation requirements except as specified in this Article.

B. Raceway Support Methods: In addition to methods described in NECA 1, EMT, IMC and RMC may be supported by openings through structure members, as permitted in NFPA 70.

C. Strength of Support Assemblies: Where not indicated, select sizes of components so strength will be adequate to carry present and future static loads within specified loading limits. Minimum static design load used for strength determination shall be weight of supported components plus 200 pounds.

D. Mounting and Anchorage of Surface-Mounted Equipment and Components: Anchor and fasten electrical items and their supports to building structural elements by the following methods unless otherwise indicated by code: 1. To Masonry: Approved toggle-type bolts on hollow masonry units and expansion anchor fasteners

on solid masonry units. 2. To Existing Concrete: Expansion anchor fasteners. 3. To Steel: Beam clamps (MSS Type 19, 21, 23, 25, or 27) complying with MSS SP-69. 4. To Light Steel: Sheet metal screws. 5. Items Mounted on Hollow Walls and Nonstructural Building Surfaces: Mount cabinets, panelboards,

disconnect switches, control enclosures, pull and junction boxes, transformers, and other devices on slotted-channel racks attached to substrate by means that meet seismic-restraint strength and anchorage requirements.

E. Drill holes for expansion anchors in concrete at locations and to depths that avoid reinforcing bars.

3.3 INSTALLATION OF FABRICATED METAL SUPPORTS

A. Comply with installation requirements in Division 05 Section "Metal Fabrications" for site-fabricated metal supports.

B. Cut, fit, and place miscellaneous metal supports accurately in location, alignment, and elevation to support and anchor electrical materials and equipment.

C. Field Welding: Comply with AWS D1.1/D1.1M.

3.4 PAINTING

A. Touchup: Clean field welds and abraded areas of shop paint. Paint exposed areas immediately after erecting hangers and supports. Use same materials as used for shop painting. Comply with SSPC-PA 1 requirements for touching up field-painted surfaces.

1. Apply paint by brush or spray to provide minimum dry film thickness of 2.0 mils.

B. Galvanized Surfaces: Clean welds, bolted connections, and abraded areas and apply galvanizing-repair paint to comply with ASTM A 780.



C. All conduit raceways and cable trays where exposed in finish space shall be painted to match attached surface or material.



RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS 260533 , 1

SECTION 260533 , RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS

PART 1 , GENERAL

1.1 SUMMARY

A. This Section includes raceways, fittings, boxes, enclosures, and cabinets for electrical wiring.

1.2 SUBMITTALS

A. Product Data: For surface raceways, wireways and fittings, floor boxes, hinged,cover enclosures, and cabinets.



B. Comply with NFPA 70.

PART 2 , PRODUCTS

2.1 METAL CONDUIT AND TUBING

A. EMT: Thin wall with electro,galvanized and clear lacquer finish complying with ANSI C80.3.

B. Fittings for Conduit (Including all Types and Flexible and Liquidtight), EMT, and Cable: NEMA FB 1; listed for type and size raceway with which used, and for application and environment in which installed. 1. Fittings for EMT: Steel, compression type.

2.2 BOXES, ENCLOSURES, AND CABINETS

A. Sheet Metal Outlet and Device Boxes: NEMA OS 1.

B. Small Sheet Metal Pull and Junction Boxes: NEMA OS 1.

PART 3 , EXECUTION

3.1 RACEWAY APPLICATION

A. Comply with the following indoor applications, unless otherwise indicated:

1. Exposed: EMT.

2. Concealed in Ceilings and Interior Walls and Partitions: EMT. 3. Boxes and Enclosures: NEMA 250, Type 1, except use NEMA 250, Type 4, stainless steel in damp

or wet locations.

B. Minimum Raceway Size: 0.75,inch trade size.

C. Raceway Fittings: Compatible with raceways and suitable for use and location. 1. Setscrew fittings shall not be allowed.

D. Short runs of flexible conduit may be used where permitted by code. Lengths greater than 6 feet require prior approval by engineer.

E. Plastic conduit shall not be used above grade for any purpose.

3.2 INSTALLATION

A. Comply with NECA 1 for installation requirements applicable to products specified in Part 2 except where requirements on Drawings or in this Article are stricter.

B. Keep raceways at least 6 inches away from parallel runs of flues and steam or hot,water pipes. Install horizontal raceway runs above water and steam piping.


RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS 260533 , 2

C. Complete raceway installation before starting conductor installation. Provide insulated throat fittings prior to conductor installation. Failure to do so may result in re,pulling of wiring.

D. Support raceways as specified in Division 26 Section "Hangers and Supports for Electrical Systems."

E. Install no more than the equivalent of three 90,degree bends in any conduit run except for communications conduits, for which fewer bends are allowed.

F. Install exposed conduit parallel or at right angles to building lines. Install all conduit in neat, workman like manner.

G. Make conduit connection to motors and equipment on resilient mounts with liquid,tight flexible conduit.

H. Where conduits cross building expansion joints, provide expansion fittings as required.

I. Raceway Terminations at Locations Subject to Moisture or Vibration: Use insulating bushings to protect conductors, including conductors smaller than No. 4 AWG.

J. Flexible Conduit Connections: Use maximum of 72 inches of flexible conduit for recessed and semi,recessed lighting fixtures, equipment subject to vibration, noise transmission, or movement; and for transformers and motors.

3.3 FIRESTOPPING

A. Apply firestopping to electrical penetrations of fire,rated floor and wall assemblies to restore original fire,resistance rating of assembly. Firestopping materials and installation requirements.



IDENTIFICATION FOR ELECTRICAL SYSTEMS 260553 ) 1

SECTION 260553 ) IDENTIFICATION FOR ELECTRICAL SYSTEMS

PART 1 ) GENERAL

1.1 SUMMARY

A. Section Includes: 1. Identification for conductors. 2. Equipment identification labels.


A. Comply with NFPA 70.

B. Adhesive)attached labeling materials, including label stocks, laminating adhesives, and inks used by label printers, shall comply with UL 969.

PART 2 ) PRODUCTS

2.1 CONDUCTOR IDENTIFICATION MATERIALS

A. Color)Coding Conductor Tape: Colored, self)adhesive vinyl tape not less than 3 mils thick by 1 to 2 inches wide.

B. Self)Adhesive Vinyl Labels: Preprinted, flexible label laminated with a clear, weather) and chemical)resistant coating and matching wraparound adhesive tape for securing ends of legend label.

C. Marker Tapes: Vinyl or vinyl)cloth, self)adhesive wraparound type, with circuit identification legend machine printed by thermal transfer or equivalent process.

D. Write)On Tags: Polyester tag, 0.010 inch thick, with corrosion)resistant grommet and cable tie for attachment to conductor or cable.

1. Marker for Tags: Permanent, waterproof, black ink marker recommended by tag manufacturer.

2.2 EQUIPMENT IDENTIFICATION LABELS

A. Adhesive Film Label with Clear Protective Overlay: Machine printed, in black, by thermal transfer or equivalent process. Minimum letter height shall be 0.375)inch. Overlay shall provide a weatherproof and UV)resistant seal for label.

B. Self)Adhesive, Engraved, Laminated Acrylic or Melamine Label: Adhesive backed, with white letters on a dark)gray background. Minimum letter height shall be 0.375)inch.

C. Stenciled Legend: In nonfading, waterproof, black ink or paint. Minimum letter height shall be 1 inch.

PART 3 ) EXECUTION

3.1 INSTALLATION

A. Location: Install identification materials and devices at locations for most convenient viewing without interference with operation and maintenance of equipment.

B. Apply identification devices to surfaces that require finish after completing finish work.

C. Self)Adhesive Identification Products: Clean surfaces before application, using materials and methods recommended by manufacturer of identification device.

3.2 IDENTIFICATION SCHEDULE

A. Equipment Identification Labels: On each unit of equipment, install unique designation label that is consistent with wiring diagrams, schedules, and the Operation and Maintenance Manual. Apply labels to disconnect switches and protection equipment, central or master units, control panels, control stations, terminal cabinets, and racks of each system. Systems include power, lighting, control, communication, signal, monitoring, and alarm systems unless equipment is provided with its own identification.

1. Labeling Instructions:


IDENTIFICATION FOR ELECTRICAL SYSTEMS 260553 ) 2

TYPE 1: Self)sticking flexible vinyl with oil resistant adhesive for )20 degrees to 300 degrees F. tem)

peratures by Brady or as approved.

a. Provide disconnect switches and controllers with Type 1 sign 1.25 inches by 6 inches indicating equipment served, electrical characteristics, and source of power,



ENCLOSED SWITCHES AND CIRCUIT BREAKERS 262816 , 1

SECTION 262816 , ENCLOSED SWITCHES AND CIRCUIT BREAKERS

PART 1 , GENERAL

1.1 SUMMARY


1. Fusible switches. 2. Non,fusible switches. 3. Molded,case circuit breakers (MCCBs). 4. Enclosures.

1.2 DEFINITIONS

A. NC: Normally closed.

B. NO: Normally open.

C. SPDT: Single pole, double throw.

1.3 SUBMITTALS

A. Product Data: For each type of enclosed switch, circuit breaker, accessory, and component indicated.

B. Shop Drawings: For enclosed switches and circuit breakers. Include plans, elevations, sections, details, and attachments to other work.

C. Operation and maintenance data.


A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

B. Comply with NFPA 70.

PART 2 , PRODUCTS

2.1 FUSIBLE SWITCHES


1. Eaton Electrical Inc.; Cutler,Hammer Business Unit. 2. General Electric Company; GE Consumer & Industrial , Electrical Distribution. 3. Siemens Energy & Automation, Inc. 4. Square D; a brand of Schneider Electric.

B. Type GD, General Duty, Single Throw, 240,V ac, 800 A and Smaller: UL 98 and NEMA KS 1, horsepower rated, with cartridge fuse interiors to accommodate indicated fuses, lockable handle with capability to accept two (2) padlocks, and interlocked with cover in closed position.

C. Accessories:

1. Equipment Ground Kit: Internally mounted and labeled for copper and aluminum ground conductors. 2. Neutral Kit: Internally mounted; insulated, capable of being grounded and bonded; labeled for copper

and aluminum neutral conductors. 3. Class R Fuse Kit: Provides rejection of other fuse types when Class R fuses are specified. 4. Lugs: Suitable for number, size, and conductor material.

2.2 NONFUSIBLE SWITCHES





B. Type GD, General Duty, Single Throw, 600 A and Smaller: UL 98 and NEMA KS 1, horsepower rated, lockable handle with capability to accept two (2) padlocks, and interlocked with cover in closed position.

C. Accessories:

1. Equipment Ground Kit: Internally mounted and labeled for copper and aluminum ground conductors. 2. Neutral Kit: Internally mounted; insulated, capable of being grounded and bonded; labeled for copper

and aluminum neutral conductors. 3. Lugs: Suitable for number, size, and conductor material.

2.3 MOLDED,CASE CIRCUIT BREAKERS



B. General Requirements: Comply with UL 489, NEMA AB 1, and NEMA AB 3, with interrupting capacity to comply with available fault currents.

C. Thermal,Magnetic Circuit Breakers: Inverse time,current element for low,level overloads and instantaneous magnetic trip element for short circuits. Adjustable magnetic trip setting for circuit,breaker frame sizes 250 A and larger.

D. Features and Accessories:

1. Standard frame sizes, trip ratings, and number of poles. 2. Lugs: Suitable for number, size, trip ratings, and conductor material.

2.4 ENCLOSURES

A. Enclosed Switches and Circuit Breakers: NEMA AB 1, NEMA KS 1, NEMA 250, and UL 50, to comply with environmental conditions at installed location.

1. Indoor, Dry and Clean Locations: NEMA 250, Type 1.

PART 3 , EXECUTION

3.1 INSTALLATION

A. Install individual wall,mounted switches and circuit breakers with tops at uniform height unless otherwise indicated.

B. Comply with mounting and anchoring requirements specified in Division 26 Section "Vibration and Seismic Controls for Electrical Systems."

C. Install fuses in fusible devices.

D. Comply with NECA 1.

3.2 IDENTIFICATION

A. Comply with requirements in Division 26 Section "Identification for Electrical Systems."

1. Identify field,installed conductors, interconnecting wiring, and components; provide warning signs. 2. Label each enclosure with engraved metal or laminated,plastic nameplate.


A. Perform tests and inspections.

B. Acceptance Testing Preparation:

1. Test insulation resistance for each enclosed switch and circuit breaker, component, connecting supply, feeder, and control circuit.

2. Test continuity of each circuit.

C. Tests and Inspections:

1. Perform each visual and mechanical inspection and electrical test stated in NETA Acceptance Testing Specification. Certify compliance with test parameters.



2. Correct malfunctioning units on,site, where possible, and retest to demonstrate compliance; otherwise, replace with new units and retest.

D. Enclosed switches and circuit breakers will be considered defective if they do not pass tests and inspections.

E. Prepare test and inspection reports, including a certified report that identifies enclosed switches and circuit breakers and that describes scanning results. Include notation of deficiencies detected, remedial action taken, and observations after remedial action.


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