COMMON WORK RESULTS FOR ELECTRICAL

ITEM 599.0603NNER – MOVABLE BRIDGE ELECTRICAL WORK

Erie County of 57 01/31/2020

DESCRIPTION

1.01 WORK DESCRIPTION

A. This section includes general requirements for supply, service, delivery, storage,

installation, testing and commissioning of electrical equipment, apparatus,

appliances, materials, and accessories necessary to complete the work under the

scope of the contract. This work shall consist of removing, furnishing, installing, and

placing in operating condition all electrical work as specified. The work shall

include but not limited to the following:

1. Maintenance During Construction

The Contractor is responsible for maintaining the operability of the bridge during

construction, except for predetermined and approved bridge operational outage

period(s).

2. Demolition of existing electrical equipment and associated circuit wiring and

raceways. All abandoned and/or corroded unused electrical devices, conduits and

junction boxes are to be removed. The following equipment shall be turn over to

the CITY after removal:

a. Existing operator control console

b. Existing variable frequency drives

c. Existing Isolation Transformers

3. The Contractor shall coordinate with the CITY for the transfer and delivery of

these components to a location of the CITY’s choosing, within 25 miles of the

bridge.

4. Provide new bridge control system.

5. Provide new the navigation lighting system.

6. Provide new traffic signal lights and pole assemblies.

7. Provide new traffic warning gates.

8. Retrofit existing barrier gates; provide new power and control circuit wirings as

indicated on the design drawings; clean and recondition existing rotary cam

switch and associated contacts; provide new local disconnect switches, new

termination block, new door limit switches, new gasket seal for the enclosure

doors and new pad locks.

9. Provide new CCTV system.

B. The Contractor shall provide service of qualified system integration company to

develop and produce electrical installation shop drawings as integrated system,

testing and commissioning plan for Engineer’s review and approval. The installation

shop drawings shall be developed based on the final shop drawings of the actual

equipment procured. The installation shop drawings shall include



layout/assembly/installation drawings of equipment, wiring conductor and conduit

sizes, routing, components terminal boxes and terminations drawings, schematic

diagrams, point-to-point interconnection wirings with cable tags and termination

identification for field installation. The Contractor shall coordinate all activities

required to produce the substantially completed installation shop drawings. The

system integration company shall also provide a System Integrator to coordinate

shop drawing reviews to ensure system compatibility and compliance with system

performance requirements, and to coordinate field installation, testing and

commissioning activities.

C. Provide supervision, labor, and assistance to manufacturer’s field representative

and/or technical directors for equipment to be installed as a part of this Contract.

Follow specified procedures and instructions provided by these representatives.

Representatives will not be present at all times. The System Integrator will

determine when representatives are required.

1.02 RELATED REQUIREMENTS

All sections of Special Specifications.

1.03 REFERENCES

A. Electrical systems shall be engineered, manufactured and installed in accordance

with the National Electrical Codes. The design and engineering of the electrical

installation shall satisfy all statutory requirements of the national and/or local

authorities of the country in which the electrical installation will be located. The

electrical installation shall be suitable for the site conditions as specified. Where

necessary, special attention shall be paid to the selection and installation of electrical

equipment suitable for seismic conditions. Where relevant, the specific publications

are referenced herein.

B. The following reference standards documents form part of the Special Specification

to the extent stated. Where differences exist between codes and standards, the one

affording the greatest protection shall apply. Unless otherwise noted, the referenced

standard edition is the current one at the time of commencement of the work.

C. Reference Standards:

1. Occupational Safety and Health Administration – OSHA

2. The American Association of State Highway and Transportation Officials -

AASHTO

3. National Fire Protection Association – NFPA

a. ANSI/NFPA 70 - National Electrical Code



b. ANSI/NFPA 70B - Recommended Practice for Electrical Equipment

Maintenance

c. ANSI/NFPA 70E - Standard for Electrical Safety in the Workplace

d. ANSI/NFPA 99 - Standard for Healthcare Facilities

e. ANSI/NFPA 101 - Life Safety Code

f. ANSI/NFPA 110 - Emergency and Standby Power Systems

g. ANSI/NFPA 780 - Installation of Lightning Protection Systems

4. Institute of Electrical and Electronic Engineers – IEEE

a. ANSI/IEEE C2 - National Electrical Safety Code

b. ANSI/IEEE 43 - IEEE Recommended Practice for Testing Insulation

Resistance of Rotating Machinery

c. ANSI/IEEE 48 - IEEE Standard Test Procedures and Requirements for

Alternating-Current Cable Terminations 2.5 kV through 765 kV

d. IEEE 81 - IEEE Guide for Measuring Earth Resistivity, Ground Impedance,

and Earth Surface Potentials of a Ground System Part I: Normal

Measurements

e. IEEE 100 - The Authoritative Dictionary of IEEE Standards Terms

f. IEEE 400 - IEEE Guide for Field Testing and Evaluation of the Insulation of

Shielded Power Cable Systems

g. IEEE 1584 - IEEE Guide for Performing Arc-Flash Hazard Calculations

h. IEEE 1584a - IEEE Guide for Performing Arc-Flash Hazard Calculations –

Amendment 1

5. International Electrical Testing Association – NETA

a. ANSI/NETA ETT - Standard for Certification of Electrical Testing

Technicians

b. ANSI/NETA ATS - Acceptance Testing Specifications for Electrical Power

Equipment and Systems

6. National Electrical Manufacturers Association – NEMA

a. NEMA AB4 - Guidelines for Inspection and Preventive Maintenance of

Molded-Case Circuit Breakers Used in Commercial and Industrial

Applications

b. ANSI/NEMA C84.1 - Electrical Power Systems and Equipment Voltage

Ratings (60 Hz)

c. NEMA MG1 - Motors and Generators

1.04 ACTION AND INFORMATIONAL SUBMITTALS

A. Preconstruction Submittals:

1. Health and safety plan

2. Work plan



3. Quality Control (QC) plan

4. Schedule of submittal items with dates

B. Product Data:

1. Submit manufacturer's instructions, printed product literature and data sheets for

all items described in the Special Specifications and include product

characteristics, performance criteria, physical size, finish and limitations.

C. Submit for review single line electrical diagrams under plexiglass and locate as

indicated.

1. Electrical distribution system in the electrical equipment room.

D. Shop drawings:

1. The Contractor shall submit copies of vendor, producer or manufacturer data for

materials, devices and subsystems or standard or proprietary products. These

shall include design and installation shop drawings, catalog cuts, specifications,

testing requirements, and installation instructions for the following items, but not

excluding other items or materials not specifically mentioned herein.

2. System integration and/or engineered system shop drawings shall be stamped and

signed by registered professional engineer. Equipment shop drawings are not

required to be stamped and signed by professional engineer, but must have

applicable equipment certification and/or label.

3. A number of electrical equipment items specified as part of the electrical work are

required to be provided to others for coordination with mechanical installation.

The dimensions of these items are critical for their installation and integration into

the bridge mechanical machinery system. Their dimensions are indicated on the

mechanical Contract Drawings and have been obtained from information

provided by various equipment manufacturers. The dimensions have not been

obtained from manufacturer’s certified drawings (certified drawings are drawings

certified by the manufacturer to be dimensionally accurate and which contain

sufficient detail to determine if the requirements of the Contract Documents have

been satisfied). The Contractor shall, as part of its procurement process, obtain

certified drawings for these items from the manufacturers and provide them to

others responsible for the mechanical work in the preparation of the Shop and

Erection Drawings for the bridge machinery. The certified drawings shall be

submitted in support of the developed Shop Drawings. The Contractor shall be

responsible for all coordination between the electrical and mechanical work. The

Contractor shall notify the Engineer of any dimension of any specified item that

deviates from the Contract Drawings. These items may include but not limited to

the following:

a. Bridge Span Machinery Motor

b. Motor Brake



c. Machinery Brake

d. Geared Rotary Cam Limit Switches

e. Overspeed Switch

4. The Contract Drawings shall not be used to fabricate and/or assembly of electrical

equipment, or directly be used for field installation of electrical equipment or

circuit wiring. The Contractor shall prepare and submit electrical installation shop

drawings as integrated system for Engineer’s review and approval. The

installation shop drawings shall include layout/assembly/installation drawings of

equipment, wiring conductor and conduit sizes, routing, components terminal

boxes and terminations drawings, schematic diagrams, point-to-point

interconnection wirings with cable tags and termination identification for field

installation. The installation shop drawings shall be based on the actual equipment

being supplied under the scope of the contract. The Contractor shall coordinate all

activities required to produce installation shop drawings.

5. The Contractor shall identify any constructability issues or conflicts between

manufacturers’ shop drawings and contract documents (drawings and Special

Specifications) during the Contractor shop drawing review and installation

drawing development process. The Contractor shall also identify variations

between Contract Documents and product or system limitations or functionality

that may be detrimental to the successful performance or operation of the

completed work. The Contractor shall submit proposed resolutions for review and

approval by the Engineer.

6. Comprehensive shop Bills of Material shall be included for each of the proposed

electrical power distribution equipment, control panel/cabinet, electrical devices,

other electrical systems and sub-systems. The shipping and operating weights of

each piece of electrical equipment shall be stated on the Shop Drawings upon

which it is detailed.

7. Complete assembly and installation drawings shall be furnished. These drawings

shall clearly indicate how the work is to be performed in the field including

foundation requirements, equipment clearances required for operation and

maintenance access and as required by applicable codes.

8. Assembly and installation drawings shall be given identifying marks and essential

dimensions for locating each piece of equipment or assembled unit with respect to

the bridge and its required equipment foundation. Each unit shall be cross-

referenced to the Shop Drawing on which it is detailed or indicated in physical

and functional terms.

9. The Contractor shall submit electronic copies of all required shop drawings,

unless otherwise directed, that include shop, assembly, installation, schematic and

wiring Drawings. Drawings shall be prepared for all electrical power and control

systems and sub systems proposed for the bridge and shall describe in physical,

functional, schematic and wiring terminologies the proposed systems. The



configuration of the power and control system shall be clearly described as well

as the logic associated with the system and the required interfaces with the overall

traffic control operating systems. All Installation Drawings shall conform to the

following:

a. Manufacturer’s Literatures – The submittal information shall have annotation

of project’s equipment identification (name and/or tags) on their respective

sheets. Where equipment vendor’s standard product data sheets and/or

drawings are furnished which cover a number of variations of the general

class of equipment, the information shall be annotated to indicate exactly

which equipment, parts, and/or accessories are being furnished. Technical

data such as equipment ratings, operation parameters, performance data shall

be provided for each specific piece of electrical equipment as specified.

b. General Arrangement Drawings - The general arrangement (GA) drawings

shall indicate at a minimum 3 perspective views: plan view, elevation view,

and side view. Additional views or sections shall be provided as required to

clearly indicate the extents and features of the subject. The GA drawings

shall locate all equipment and shall include equipment centerlines, equipment

access and maintenance space. The Contractor shall indicate any areas that

require more than 3 feet of clearance around their equipment boundary on the

GA drawings for access or maintenance requirements. Information regarding

the location of access doors or view port to allow access platform & walkway

design shall be provided. The Contractor is responsible for consolidation of

all information from their suppliers onto their GA drawings.

c. Physical Dimensioned Drawings – Provide physical dimensioned drawings

for electric service equipment including but not limited to: motor control

center, switchboards, panel boards, hydraulic power and control system,

control panels, motors, brakes, bridge operator control console, rotary cam

limit switches, span seated limit switches, cabling systems, etc. shall be

drawn to scale. Outline drawings shall depict graphically and dimensionally

the configurations, profile, and limitations of parts and assemblies.

Perspectives and reference points shall be indicated clearly for each view. All

details of given devices or components shall be clearly visible at the scale

selected for that part, assembly or sub-assembly with the exception of

enlarged views drawn to capture small details within a part, such as those that

may be used to improve clarity and prevent excessively large drawings.

Separate details shall be provided for all opposite hand span drive motors,

brakes and span position rotary cam limit switches and shall be in accordance

with the mechanical machinery layout.

d. Equipment Foundation and Mounting - Anchor bolt drawings shall provide

templating dimensions in sufficient detail to facilitate the preparation of

foundation design drawings and to determine the sizes and types of fasteners

and other installation devices required. Foundation plans shall provide

sufficient dimensional and configuration details to facilitate foundation



design and installation planning by the Contractor. The drawings shall also

include the supplier’s recommendations for installation methods and

materials.

e. Wiring Diagrams – Provide applicable one-line, three-line and schematic

diagrams to shows wirings, connections and interconnections of the electrical

system installation, equipment or its component devices and parts. Drawings

shall provide such detail as is necessary to be able to trace the electrical

circuits and connections involved. The drawings must include cable numbers,

conductor colors, pair/triad numbers, terminal source and designation

identifications. If cables are shielded, the shields shall be shown on the

drawings. All spare conductors shall be shown on the drawings.

10. Conduct field surveys to verify existing dimensions shown on the plans, prior to

development of submittals. Identify field verified dimensions on submittals.

Conduct field measurements and surveys as required to supplement the

information provided in the plans and to provide a complete and satisfactory

fitting and operational installation.

E. Engineering Data:

1. Provide Installation Shop Drawings

2. Provide Electrical System Protection Coordination and Device Settings

3. Provide electrical hazards and arc flash warning labels

F. Certificates:

1. Provide UL certified for applicable equipment and material.

2. Submit test results of installed electrical systems and instrumentation.

3. Permits and fees: in accordance with General Conditions of contract.

4. Submit certificate of acceptance from authority having jurisdiction upon

completion of Work to Departmental Representative.

G. Startup and Commissioning Plan and Report

1. Provide Startup and Commissioning Plan

2. Startup and Commissioning Report

H. Test Reports:

1. Provide Factory Acceptance Test

2. Provide Electrical Construction Field Testing and Commissioning Report

3. Manufacturer's Field Reports: Submit to Departmental Representative

manufacturer's written report, within 3 days of review, verifying compliance of

Work and electrical system and electrical power and control testing.



1.05 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data: submit operation and maintenance data for

electrical equipment and installations for incorporation into manual.

1. Submit Operation and Maintenance (O&M) Data for the provided equipment,

product, or system, defining the importance of system interactions,

troubleshooting, and long-term preventive operation and maintenance. Compile,

prepare, and aggregate O&M data to include clarifying and updating the original

sequences of operation to as-built conditions. Organize and present information in

sufficient detail to clearly explain O&M requirements at the system, equipment,

component, and subassembly level. Documents must be fully legible. Operation

and Maintenance data must be consistent with the manufacturer's standard

brochures, schematics, printed instructions, general operating procedures, and

safety precautions. Include an index preceding each O&M sections.

2. The Contractor shall provide Operation and Maintenance Manuals to be contained

in one or more volumes. The Engineer will review preliminary copies of the

O&M Manuals and the Contractor will incorporate the changes made into the

final manual. Provide for each system and principal item of equipment as

specified in technical sections for use by operation and maintenance personnel.

3. Type of Information Required

a. Operating Instructions - Provide specific instructions, procedures, and

illustrations for the following phases of operation for the installed model and

features of each system.

b. Full as-built sequence of operations for the bridge operation.

c. Safety Precautions and Hazards - List personnel hazards and equipment or

product safety precautions for operating conditions. Provide recommended

safeguards for each identified hazard.

d. Operator Prestart - Provide procedures required to install, set up, and prepare

each system for use.

e. Startup, Shutdown, and Post-Shutdown Procedures - Provide narrative

description for Startup, Shutdown and Post-shutdown operating procedures

including the control sequence for each procedure.

f. Normal Operations - Provide Control Diagrams with data to explain

operation and control of systems and specific equipment. Provide narrative

description of Normal Operating Procedures.

g. Emergency Operations - Provide Emergency Procedures for equipment

malfunctions to permit a short period of continued operation or to shut down

the equipment to prevent further damage to systems and equipment. Provide

Emergency Shutdown Instructions for fire, explosion, spills, or other

foreseeable contingencies.



h. Operator Service Requirements - Provide instructions for services to be

performed by the operator and/or maintenance personnel such as lubrication,

adjustment, inspection, and recording gauge readings.

i. Environmental Conditions - Provide a list of Environmental Conditions

(temperature, humidity, and other relevant data) that are best suited for the

operation of each product, component or system. Describe conditions under

which the item equipment should not be allowed to run.

j. Operating Log - Provide forms, sample logs, and instructions for maintaining

necessary operating records.

k. Full as-built print out of software program.

l. Preventive Maintenance Plan, Schedule, and Procedures Provide

manufacturer's schedule for routine preventive maintenance, inspections,

condition monitoring (predictive tests) and adjustments required to ensure

proper and economical operation and to minimize repairs. Provide

instructions stating when the systems should be retested. Provide

manufacturer's projection of preventive maintenance work-hours on a daily,

weekly, monthly, and annual basis including craft requirements by type of

craft. For periodic calibrations, provide manufacturer's specified frequency

and procedures for each separate operation.

m. Troubleshooting Guides and Diagnostic Techniques -Provide step-by-step

procedures to promptly isolate the cause of typical malfunctions. Describe

clearly why the checkout is performed and what conditions are to be sought.

Identify tests or inspections and test equipment required to determine whether

parts and equipment may be reused or require replacement.

n. Wiring diagrams and control diagrams - Provide point-to-point drawings of

wiring and control circuits including factory-field interfaces. Provide a

complete and accurate depiction of the actual job specific wiring and control

work. On the diagrams, the cables and the terminals identifications shall be

identically to actual installation configuration and numbering.

o. Spare Parts and Supply Lists -Provide lists of spare parts and supplies

required for repair to ensure continued service or operation without

unreasonable delays. Special consideration is required for facilities at remote

locations. List spare parts and supplies that have a long lead-time to obtain.

p. Warranty information.

B. Final “As-Built” Drawings shall be submitted for review and approval at the

completion of the project. Any field modification during construction and/or

deviations from the approved Shop Drawings shall be clearly indicated.

Reproducible drawings shall be made on sheets using the Project standard title

block. These drawings shall be stamped "As Built", immediately above the title

block.

C. Print or engrave operating instructions and frame under glass or in approved

laminated plastic. Post instructions where directed. For operating instructions

exposed to weather, provide weather-resistant materials or weatherproof enclosures.



Ensure operating instructions will not fade when exposed to sunlight and are secured

to prevent easy removal or peeling.

1.06 CONTROL SYSTEM INTEGRATION AND QUALITY CONTROL

A. Systems Integrator – Contractor shall designate an individual (such as the Control

System Vendor’s Application Engineer) to act as the Lead Systems Integrator.

Systems Integrator shall be responsible for the control system integration including

the development of interconnection wiring diagrams for construction, coordination,

testing and commissioning of the machinery motors, drives, motor controllers,

adjustable speed drive (including programming), relay control system, and field

instrumentation configuration and setup. Ensure the Control System Integrator is

qualified in developing and coordinating these types of specialty items and is

approved by the Engineer. He will serve as a single point of contact prior to, during,

and after construction, and must be available for consultation during all phases of

the project, including shop drawing submittal and review. All shop drawings shall be

reviewed by the Control Systems Integrator prior to distribution to the Engineer for

his review. The Control Systems Integrator shall stamp the reviewed shop drawings

with an appropriate stamp indicating that he has reviewed and accepted the drawing

before distribution. Ensure the Control Systems Integrator is present at all shop

testing and is on site and directing all testing and commissioning of the bridge

operating equipment and systems. Process any approved changes associated with the

bridge electrical system through the Control Systems Integrator. He shall maintain

the responsibility for coordination of the work. The contractor shall submit the pre-

qualification submittal of the Control Systems Integrator to the Engineer for

approval at the time of the Pre-Construction Conference. Include with the pre-

qualification submittal documents that substantiate the qualifications of the proposed

individual with the following minimum requirements:

1. Licensed Professional Electrical Engineer

2. Past experience integrating similar projects on movable bridges and/or

mechanical system motion control of similar nature within the past fifteen (15)

years. Provide professional experience and projects resume including a minimum

of three (5) references for control system integration projects (at least 2 in

movable bridge projects), and minimum of three (3) reference contacts to

substantiate level of experience and knowledge.

B. The Engineer will review the pre-qualification submittal of the Control Systems

Integrator and will be the sole judge of the adequacy of the information submitted.

Inadequate proof of this ability and experience, or insufficient details, shall be cause

for disqualification of the Control Systems Integrator.

C. Contractor Review and Acceptance of Shop Drawings: The Contractor shall provide

a quality control process for all shop drawings and calculations that are submitted.

The review shall indicate completeness of the submittal and compliance with the



design. Provide a cover sheet listing the preparer(s) and checker(s) name, initials,

and content responsibility. The preparer and checker shall initial each sheet to

establish their content responsibility. The preparer and checker shall not be the same

individual.

D. Regulatory requirements: Perform electrical construction in accordance with

industry acceptable practice and complies with applicable country, region and local

codes.

E. Electrical work shall be performed by qualified personnel. Installer shall be skilled

in trade and shall have thorough knowledge of products and equipment specified to

perform equipment and system installation in a safe professional manner.

F. All partially outdoor or outdoor electrical equipment enclosure construction,

material and protective treatment shall be listed as suitable for installation in harsh

environment and high humidity.

G. Electrical components, equipment and systems shall satisfactorily pass all applicable

factory and field tests in accordance with the relevant industry standards. Copies of

all test certificates and supporting documentation shall be supplied to the

Department as part of submittal requirements or as requested by the Engineer.

H. Manufacturer of equipment specified shall be recognized in industry for normally

supplying this type of equipment. Manufacturer shall be ISO certified.

I. Materials and equipment furnished for permanent installation shall be new, unused,

and undamaged. Provide the standard cataloged materials and equipment of

manufacturers regularly engaged in the manufacture of the products. For material,

equipment, and fixture lists submittals, show manufacturer's style or catalog

numbers, specification and drawing reference numbers, warranty information, and

fabrication site. All equipment and materials shall be in accordance with the Special

Specifications and other relevant industry standards.

J. Service conditions: Provide equipment and material suitable for intended service and

installation at location indicated.

K. Parts shall be manufactured to industry standard sizes to facilitate maintenance and

interchangeability.

L. Contractor shall develop detailed, step by step, testing and commissioning plan for

placement of electrical equipment, apparatus, and completed electrical system in

service. Contractor shall execute the plan, and document the performance and test

results. Contractor shall take corrective actions necessary to bring the failed and/or

noncompliance test results into conformance.

M. Acceptance testing of electrical distribution system and equipment under scope of

project shall conform to the Special Specification, equipment manufacturer

recommended testing and commissioning requirements, and to the latest revision of



the ANSI/NETA Standard for Acceptance Testing Specifications for Electrical

Power Equipment and Systems (ANSI/NETA ATS).

1.07 DESIGN ANALYSIS AND DOCUMENTATION

A. Contractor shall perform supplemental studies and/or designs and develop construction

shop drawings meeting the performance requirements of the design drawings and the

Special Specifications. The construction shop drawings shall show all of the required

system integration, electrical and control systems interconnections base on the actual

equipment being supplied. Contractor shall submit drawings and engineering data in

accordance with the submittal requirements and schedule to assure compliance with the

project requirements, overall construction schedule, and the project in service date.

During the design submittal process, the Contractor shall provide required design

analysis.

B. Contractor’s design shall consider economics, safety of operation, acceptable

performance, reliability, interchangeability of parts, O&M familiarity, and other

benefits.

1.08 DELIVERY, STORAGE AND HANDLING

A. Deliver, store and handle materials in accordance with manufacturer's written

instructions.

B. Delivery and Acceptance Requirements: deliver materials to site in original factory

packaging, labelled with manufacturer's name and address.

C. Storage and Handling Requirements:

1. Provide temporary electrical connections to equipment heaters, or provide

temporary heaters, as required to prevent damage from moisture and as required

in other Sections of the Special Specifications.

2. Provide climate controlled environment for the storage for control equipment/

assemblies during construction. Thoroughly dry out and put through special

dielectric test as directed by the Departmental Representative or replace if not

tested to the satisfaction of the Departmental Representative, any apparatus that

has been subjected to possible injury by water or dampness (including the

interiors of motor control equipment or any other electrical devices). Store and

protect equipment from damage from mishandling, dropping or impact. Do not

install damaged equipment.

3. Replace defective or damaged materials with new at no cost to Departmental

Representative.



D. Develop Construction Waste Management Plan related to the Work of this Section.

Remove and/or reuse and return of pallets, crates, padding, packaging materials as

required.



MATERIALS

2.01 MATERIALS AND EQUIPMENT

A. Provide the standard cataloged materials and equipment of manufacturers regularly

engaged in the manufacture of the products. For material, equipment, and fixture

lists submittals, show manufacturer's style or catalog numbers, specification and

drawing reference numbers, warranty information, and fabrication site. All

equipment and materials shall be in accordance with the Special Specification and

other relevant industry standards.

B. Material and equipment to be UL listed. Where UL certified material and

equipment are not available, obtain special approval from authority having

jurisdiction before delivery to site and submit such approval as described in PART 1

- ACTION AND INFORMATIONAL SUBMITTALS.

C. Substitution: Electrical material and equipment specified in the project Special

Specifications by manufacturer name or part number constitute the basis of design

material and equipment. The identification of products, both on the plans and in

these Special Provisions, by brand name or equal description is intended to be

descriptive, but not restrictive, and is to indicate the characteristics, performance,

and quality of products that are satisfactory. The Contractor may provide an

equivalent item manufactured by another manufacturer, subject to approval by the

Engineer, with the understanding that all design and/or method of installation

changes required by the substitution shall be made by the Contractor at no additional

cost to the contract. Item equivalency shall be determined at the sole discretion of

the Engineer and may be based on one or more of the following: quality, function,

ease of maintenance, physical size, reliability, value, electrical load capacity,

durability, standardized components, availability and other criteria as deemed

appropriate by the Engineer. Where the Contractor proposes to use an "equivalent"

product, even if such a substitution is approved by the Engineer, the Contractor will

assume all responsibility for its proper installation and fit into the system and will

bear sole responsibility for any resultant extra work, including products, labor, and

related costs. The Contractor will bear full and final responsibility for selection of

products that satisfy all identified requirements. In case of any discrepancy, or other

conflict, between the salient requirements identified in the contract documents and

products identified by brand name, the salient requirements will govern. Any such

conflict, or other discrepancy, shall not be considered cause for delay or additional

payment.



2.02 PANELBOARD

A. Construction

1. Panelboards shall be completely factory assembled and equipped with a main

circuit breaker and the type, size and number of branch circuit breakers, arranged

and numbered as indicated on the panel schedule(s).

2. The panelboard enclosure shall be fabricated from corrosion resistance, code-

gauge galvanized or galvanized-annealed steel (14 gage minimum) without

knockouts and with full front flange. All details of construction and methods of

assembly shall meet the requirements of the "Enclosures for Electrical

Equipment" of the Underwriters' Laboratories, and shall bear the Underwriters'

Laboratories label.

3. The panel front shall be either surface or flush mounted as indicated on the

drawings.

4. Surface mounted panel boxes shall be finished with corrosion resistance

treatment. Color shall be ANSI-61 light grey.

5. The panelboard enclosure ingress protection or NEMA rating shall be suitable for

the install environment.

6. The front trim shall have full-length hinged outer door designed to expose the

wiring raceways and breakers, when open. Another, inner hinged door shall

expose breakers only, when open, making this a door-in-door construction. Both

doors shall open to the right.

7. Bus bars shall be copper and plated per UL requirements. Bus bars shall be

supported by glass-filled polyester-type insulators. Bus sequence shall be ABC

top to bottom, left to right for both top and bottom fed panels. Neutral bus shall be

copper, 200 percent rated and insulated from the cabinet and other parts.

8. A copper equipment ground bus, of sufficient width and length, shall be solidly

bolted and grounded to the enclosure at the bottom and shall leave clear space for

the bottom cable entries.

9. Bus bars shall be factory drilled and tapped with spacing arranged to permit

breaker interchange, from the front, while the panel is energized.

10. Current ratings, and minimum short circuit interrupting capability of the panel

shall be as shown on the panel schedule. Panelboards shall be fully rated. Series

rated panelboards are not acceptable.

11. All multi-pole breakers shall be common trip. Branch circuits shall be arranged

using double row construction.

12. A minimum of 20 percent spare pole spaces, grouped in multiple of three, shall be

provided in each panelboard, for future installation. Provide single pole filler

plates in the spaces, as required. Provisions or space for future breakers shall be



located at the bottom of the panel and be fully bussed, complete with the

necessary mounting hardware.

13. A nameplate shall be provided, and located near the top of the front trim on the

exterior surface, listing panel type and ratings, as required by UL.

14. Each circuit shall be permanently numbered to agree with the panel schedule,

using plastic or metal buttons mounted adjacent to the breaker and secured by

rivets or grommets with an engraved or depressed number. Adhesive numbering

tape, painted numbers, or use of more than one number per breaker is not

acceptable.

15. Pre-installed locking devices shall be provided for locking the main circuit

breaker and each branch circuit breaker in the OPEN position, by means of a

padlock. Locking devices shall not be removable from the front of the panel with

the trim in place. Attachment of the locking device to the panel with adhesives is

not acceptable.

B. Circuit Breakers

1. Molded Case Circuit Breakers: NEMA AB 1, FS W-C-375

2. Provide bolt-on type circuit breakers with integral thermal and instantaneous

magnetic trip in each pole (common trip type).

3. Provide circuit breakers, UL listed as Type HACR, for air conditioning equipment

branch circuits.

4. Provide circuit breakers, UL listed as Type SWD, for lighting circuits.

5. Provide UL Class A ground fault interrupter circuit breakers where specified on

panelboard schedules and/or the Drawings.

6. Breakers shall be bolt on type, rigidly mounted, separately removable and

independent of trim plates for their support. Breakers shall be industrial grade

with a minimum pole width of 1-inch and a minimum height of 5-1/2-inches.

Miniature circuit breakers are not acceptable.

7. The minimum symmetrical interrupting rating for molded-case circuit breakers

shall be as specified on the panelboard schedule and/or Drawings. Series rated

breakers are not acceptable.

8. Provide adjustable instantaneous magnetic trips for breaker with frame size 100

amperes.

9. Provide interchangeable trip units with adjustable trip pick up and delay settings

for breaker with frame size 225 amperes.

10. Provide solid state trip units with long-time, short-time, instantaneous, and ground

fault (LSIG) tripping characteristics for breakers with frame size 400 amperes and

higher



C. Trip Unit:

1. Provide adjustable instantaneous magnetic trips for breaker with frame size 100

amperes.

2. Provide interchangeable trip units with adjustable trip pick up and delay settings

for breaker with frame size 225 amperes.

3. Provide solid state trip units with long-time, short-time, instantaneous, and ground

fault (LSIG) tripping characteristics for breakers with frame size 400 amperes and

higher, or where indicated on the drawings.

D. Panel Metering

1. The panelboard shall be provided with the electronic power metering, where

indicated on the Drawings and/or panelboard schedule.

2. Provide an advanced digital electronic energy meter capable of measuring the

real-time RMS values of the phase currents and voltages, KW, KW demand,

KWHR, KVA, KVA, KVAR, power factor, frequency, and waveform capture for

power quality monitoring and analysis.

3. A communications module shall be provided using a 10Base-T Ethernet and

industry standard RS-485 serial bus.

4. Potential, control power and current transformers, shorting terminal block, fuse

blocks and fuses shall be completely installed and wired to the energy meter in the

panelboard.

E. Surge Protective Device (SPD)

1. Provide main service power distribution panel with integral plug-on transient

voltage surge suppression (TVSS) device with integral TVSS disconnect.

2. Provide sub-panel with integral plug-on transient voltage surge suppression

(TVSS) device with integral TVSS disconnect where indicated on drawing and/or

panel schedule.

3. Surge Current Capacity Per Phase: 160 kA

4. Mode of Protection: L-N, L-G, N-G, L-L

5. UL 1449 Suppressed Voltage Rating:

6. 400 V on 208Y/120V, 3ph, 4w system

7. 800 V on 480Y/277V, 3ph, 4w system

8. 1200V on 600Y/347V, 3ph, 4w

9. Provide with the following features: surge counter, LED indication per phase,

audible alarm

F. Factory Panel Wiring



1. Provide complete factory wiring of control cabinet and equipment mounted

thereon.

2. Install continuous wire from terminal to terminal. Splices not acceptable.

3. Panel, control cabinet, switchboard, motor control center, and switchgear wiring

shall use flame retardant cross-linked polyethylene (XLP) or flame-retardant

ethylene-propylene rubber (EPR) insulation that meet or exceed requirements of

UL 44 for Types SIS, and XHHW. Minimum size: No. 14 AWG.

4. Analog signal cable:

a. Configuration: Twisted pair, shielded, and jacketed.

b. Insulation: 300-volt, 60ºC, PVC, color-coded to permit identification of each

conductor.

c. Conductors: Stranded copper, 18 AWG.

d. Shield: Metallized foil or tinned copper braid providing 100% coverage

against noise together with 20 AWG stranded tinned drain wire.

G. Discrete signal wire:

1. Rating: 600-volt, 90ºC, PVC insulation/jacket, Type MTW.

2. Conductors: Stranded copper, 18 AWG.

H. Power and discrete signal wire insulation color:

1. BLK: Line voltage.

2. BRN: Line voltage/fused.

3. RED: 120-volt control ac.

4. ORG: 24-volt control ac.

5. YEL: Caution/may be live from remote power source.

6. GRN: Ground.

7. BLU: Dc negative.

8. VIO: Dc positive.

9. WHT: Neutral at GND potential.

I. Group and route wire and cables from terminal blocks to panel-mounted instruments

in separate wireways as follows:

1. Low-voltage/low current dc analog signals (30-volts/50 mA or lower).

2. High-voltage dc alarm signals (48-volts or greater).

3. Low-voltage ac control signals (120-volts or lower).

4. High-voltage ac power signals (greater than 120-volts).

J. Wiring interfaces:



1. External connections:

a. Install dedicated terminal strips for analog, discrete, and power signals.

b. Provide manufacturer's standard connectors for communications, digital data,

and multiplexed signals.

c. Provide surge suppressor terminal blocks for analog and discrete signals that

leave building structure: ▪ Analog signal blocks: Voltage rating 24-volt ac/dc. ▪ Discrete signal blocks: Voltage rating 120-volt ac/dc.

2. Provide intrinsically safe barriers for applications where field instruments are not rated as explosionproof for use in hazardous classified areas.

3. Provide separate terminal strips and wireways for 120-volt ac and 24-volt dc circuits.

4. Terminal block requirements:

a. Type: High-density.

b. Voltage: 600-volt.

c. Wire range: 30 AWG to 12 AWG.

d. Termination: Screw clamp compression with pressure plate.

e. Mounting: Rail-mounted with end anchors and barriers.

f. Spare: Provide greater amount of 20% or 6 terminals per terminal strip

g. Terminate maximum of 2 wires on single connect point.

5. Wire network communication cables point-to-point rather than terminating on interposing terminal blocks.

6. Install power distribution blocks to parallel feed to power control devices. Parallel wiring from instrument to instrument not acceptable.

7. Provide plug-in strip for ac supply power to devices requiring ac power via power cord.

8. Circuit protection:

a. Install individual circuit breakers for protection of control panel power supply

circuits as identified above.

b. Group circuit breakers on separate terminal strip away from low-voltage

instrumentation circuitry.

c. Provide fuses for protection of individual instrumentation circuits.

Instrumentation circuits for field-mounted instruments may be combined in

logical groupings of no more than 10 devices/signals.

9. Provide 8 AWG internal copper grounding bus for ground connections.

K. Wire tags:

1. Type: Embossed, heat-shrink tubing. Fiber tape tagging not acceptable.

2. Color: White.

3. Identify both ends of wires and/or cables with permanent wire marker.



L. Service equipment:

1. Provide separate circuits from power distribution panel for:

a. Instrumentation and control devices.

b. Lighting and service outlets.

2. Fluorescent lighting fixtures of sufficient size and quantity to provide 30 to 50 foot-candles of illumination within panel. Wire to UL-approved switch mounted inside panel.

3. Duplex, 120-volt ac, 3-wire grounded type convenience outlets. Provide 1 duplex receptacle per 12 square ft of subpanel area. Service outlets shall be powered from separate voltage source than instrumentation and DCS/PLC equipment.

M. Conductor terminal connectors shall be insulated, compression type connectors

properly sized for conductor and terminal. Connectors shall be constructed of copper

and shall be tin-plated.

N. Current transformers shall terminate on shorting type terminal blocks. Ship with

shorting jumpers installed.

O. Prior to shipment of equipment, remove temporary wiring installed in factory for

equipment testing

P. Identification and labeling:

1. Provide conductor identification sleeve on each end of each internal conductor. Mark each sleeve with opposite end destination identification with permanent black ink. Sleeves shall be UV-resistant self-adhesive type or PVC, not less than 1/2” long.

2. Permanently label each terminal block, terminal, conductor, relay, breaker, fuse block, and other auxiliary devices to coincide with identification indicated on manufacturer’s drawings.

Q. Conductors routed over hinges shall use extra-flexible stranding.

R. Field Wiring

1. Voltage rating: 600-volt.

2. Conductor: Annealed, bare copper, Class B, stranded, minimum size No. 12 AWG.

3. Cables shall pass IEEE 383 70,000 Btu/hr, ICEA T-29-520, 210,000 Btu/hr vertical tray flame tests, and UL 1581, VW-1 vertical flame test.

4. Cables shall pass IEEE 383 70,000 Btu/hr, UL Standard 83 for Type THHN or THWN wire.

5. Temperature rating: 90-degree C for normal operation in wet or dry locations.

6. Each cable shall be identified by means of surface ink printing indicating manufacturer, number of conductors, size, voltage rating, and UL listing applicable use (i.e. cable tray, direct buried, hazardous area classifications, etc.)

7. Color coding:



a. Provide conductor sizes No. 8 AWG and smaller in following colors:

b. Source voltage of 208Y/120 volts:

▪ Phase A: Black.

▪ Phase B: Red.

▪ Phase C: Blue.

▪ Neutral: White.

c. Source voltage of 120/240 volts:

▪ Phase A: Black.

▪ Phase B: Red.

▪ Neutral: White.

d. Source voltage of 480Y/277 volts:

▪ Phase A: Brown.

▪ Phase B: Orange.

▪ Phase C: Yellow.

▪ Neutral: Gray.

8. Sizes No. 6 AWG and larger shall be black and color-coded with field-applied tape.

9. Multi-conductor control insulated conductors shall have colored insulation meeting ICEA Method 1, Table E-2 color code (K2 color code).

S. General-purpose building conductor used on interior lighting circuits and general-

purpose branch circuits routed entirely in conduit shall be single conductor.

1. Conductor: Class B, solid or stranded, annealed, uncoated copper, minimum size No. 12 AWG.

2. Insulation: Polyvinyl chloride (PVC) complying with NEC for type THHN or THWN. Installations in dry or damp locations shall utilize THHN and installations in wet locations shall utilize THWN.

3. Jacket: Overall clear nylon jacket applied over conductor insulation, UL-listed as gasoline and oil resistant.

T. Single-conductor, low-voltage power cable for motors, feeders, branch circuits, and

dc circuits routed in conduit, duct bank, or cable tray:

1. Conductors: Annealed, bare copper, Class B, stranded, minimum size No. 12

AWG.

2. Insulation: Cross-linked polyethylene (XLPE), complying with NEC Type

XHHW-2. Insulation shall be sunlight resistant and cable tray (CT) rated.

3. Wire shall be identified by surface marking indicating manufacturer, conductor

size, conductor material, voltage rating, UL symbol, and listed type.



U. Multi-conductor, low-voltage power cables for motors, feeders, and branch circuits

routed in cable tray, conduit or duct bank:


AWG.

2. Insulation: Cross-linked polyethylene (XLPE) complying with NEC Type

XHHW-2.

3. Jacket: Flame-retardant, heat, moisture, and sunlight-resistant; polyvinyl chloride

(PVC).

4. Phase conductors shall be cabled together with Class B stranded, bare copper

grounding conductor and fillers. Ground wire size shall comply with requirements

of UL 1277.

5. Cover cable assembly with helically applied polyester binder tape with minimum

10% overlap.

V. Multi-conductor, low-voltage power cables between adjustable speed drive and

motors:


AWG

2. Insulation: Cross-linked polyethylene (XLPE) complying with NEC Type

XHHW-2.


(PVC).

4. Phase conductors shall be cabled together with Class B stranded, bare copper

grounding conductor and fillers. Ground conductors: 3 segmented Class B strand,

annealed copper conductors sized to meet requirements of UL 1569.

5. Armor/shield: Continuously welded and corrugated high conductivity aluminum.

W. Instrument cable installed indoor or outdoor routed in cable tray, conduit, and ducts:



AWG.

3. Insulation: Flame-retardant polyvinyl chloride (PVC).

4. Jacket: Flame-retardant, heat, moisture, and sunlight resistant; polyvinyl chloride

(PVC).

5. Pairs/triads: Each twisted with lay not exceeding 2".

6. Color code: Insulated conductors shall have colored insulation meeting ICEA

Method 1, Table E-2 color code (K2 color code): Pairs black/red; Triads

black/red/blue.



X. Thermocouple extension cable circuited in cable tray or conduit:


2. Conductors:

a. No. 16 AWG solid alloy (+Chromel / -Constantan); ANSI and ASA/ISA Type

"EX".

b. No. 16 AWG solid alloy (+Chromel / -Alumel); ANSI and ASA/ISA Type

“KX”.

c. No. 16 AWG solid alloy (+Iron / -Constantan); ANSI and ASA/ISA Type

“JX”.

3. Insulation: Flame-retardant polyvinyl chloride (PVC), color code:

a. Type EX: Purple (+) and red (-).

b. Type KX: Yellow (+) and red (-).

c. Type JX: White (+) and red (-).


(PVC); color code:

a. Type EX: Purple.1

b. Type KX: Yellow.

c. Type JX: Black.

5. Assemble insulated conductors with 1-1/2" to 2-1/2" twisted lay.

6. Assembly: Provide with helically applied, laminated aluminum/polyester tape

shield, with minimum lap of 15% of tape width. Flexible strand tin-coated No.18

AWG copper drain wire shall be helically wound between twisted conductors and

tape shield.

Y. Category 6 communication cable circuited in tray, conduit or used for field wiring

internal or between to cabinets.

1. Conductor: Solid, bare copper minimum No. 23 AWG.

2. Insulation: Fluorinated ethylene propylene (FEP) insulated singles.

3. Insulated conductors: Unshielded, twisted 4 pairs enclosed with a spline

fluorinated ethylene propylene filler material.

4. Cable assembly shall be covered with clear “Flamearrest” jacket, sequentially

marked at 2’ intervals. Ripcord shall be integrally installed to allow easy removal

of jacket material.

5. Each communication cable shall be identified by means of surface ink printing

indicating manufacturer, model, or catalog number. Cable shall meet TIA/EIA

Draft 9A CAT6.

6. Cables shall be capable of passing UL flame test Type CMP.



Z. Cable accessories:

1. Cable glands shall be selected to suit the type of cable and termination

box/enclosure, and shall be of the appropriate type of protection for the applicable

installation environment.

2. Effective ground continuity shall be ensured between the cable armored/braid and

the gland plate or the internal ground terminal.

3. Metallic cable glands should be used with metallic termination boxes. Depending

on the type of cable, brass compression glands with an armored. clamping feature

may be used as an alternative to the method described above.

4. Non-metallic cable glands should be used with non-metallic termination boxes,

and the following conductor shall be terminated at the internal ground terminal, as

appropriate to the type of cable construction:

a. the braided ground lead of the cable;

b. the copper wires in the cable armored;

c. the steel armored. wires via a flexible lead.

2.03 SPLICE AND TERMINATIONS

A. Provide wire and cable connectors of high-conductivity, corrosion-resistant material

with contact area equal to at least current carrying capacity of wire or cable.

B. Splices are not allowed except for lighting and general purpose power circuits

specified below or unless specifically indicated on Drawings.

C. Splices allowed in lighting and general-purpose power circuits.

1. General lighting and general-purpose building power circuits:

a. Twist-type, insulated spring connectors for splices on solid or stranded

conductors smaller than No. 6 AWG.

b. Use indent, hex screw, or bolt clamp-type connectors with insulating cover,

with or without tongue for splices on solid or stranded conductors No. 6 AWG

and larger.

D. All terminations of #8-AWG wire and greater shall have solderless high

compression indent type lugs except when connected to equipment with pressure,

screw type lugs.

E. Termination of conductors to equipment with bolted connections. Use compression

type lugs. Compression lugs for cables 250 kcmil and larger shall have at least 2

clamping elements of compression indents, and provision for at least 2 bolts for

joining to apparatus terminals.

F. Coordinate sizes and types of conductor terminals for 600-volt power cable

terminations in equipment with shop drawing.



G. Conductors larger than No. 4/0 AWG: Terminate to tinned copper bus bar drilled

and tapped with standard NEMA sized and spaced holes.

H. Provide 600-volt rated terminal blocks for instrumentation and control conductors

for connection to circuits external to specified equipment, and for internal circuits

crossing shipping splits. Terminal blocks for external connections shall leave from

centrally mounted location, not from individual devices in enclosure.

I. Provide orderly arrangement of instrument and control compartment for easy

accessibility. Provide sufficient space on each side of each terminal block to allow

orderly arrangement of leads to be terminated on block. Size for wire sizes of

incoming conductors as necessary.

J. Locate auxiliary equipment in compartments, enclosures, or junction boxes so

service personnel will have direct access without interference from structural

members and instruments without removal of barriers, cover plates, or wiring.

K. Provide shorting-type terminal blocks nearest current transformer in accessible

location for each set of CTs supplied with equipment furnished, no other shorting-

type terminal blocks allowed, unless specified otherwise.

L. Provide din-rail mounted miniature circuit breakers (MCB) for protection of VT

circuits on line and load side. Breakers shall have alarm contacts wired to terminal

blocks.

M. Provide 10% spare terminals to accommodate field circuit modifications.

N. Each control switch and lockout relay shall have minimum of 4 spare normally open

and 4 spare normally closed contacts wired out to terminal blocks.

O. Circuit identification number listed on either circuit schedule or panel schedule shall

be used to identify circuit, positioned as near as possible to end of each conductor on

multiple single wire circuits and on cable jacket for multi-conductor cables.

P. Cable designations shall be visible after installation without requiring physical

movement of cable.

2.04 CONDUIT RACEWAY

A. Provide conduit raceways as indicated on drawings and/or as specified. Where

conduit size is not indicated, provide minimum conduit size in accordance with

requirements of NEC.

B. Conduit shall conform to the latest edition of UL 651, NEMA TC-6.

C. All fittings shall be made of the same material as the conduit.

D. Provide conduit type per the applicable locations:

1. Indoor Applications:



a. Exposed non-corrosive environment: Rigid Galvanized Steel Conduit (RGS)

b. Exposed corrosive environment: Reinforced Thermosetting Resin Conduit

(RTRC) or Fiberglass Conduit

c. Above grade and concealed inside wall: IMC or RGS Conduit

d. Embedded in concrete: PVC Schedule 40 PVC

e. Connection to electrical equipment subject to vibrations: Liquid-tight Flexible

Metallic Conduit

f. Conduit stub-up: Rigid Galvanized Steel Conduit (RGS)

2. Partially Exposed to Outdoor or Outdoor Applications:

a. Exposed non-corrosive environment: Rigid Galvanized Steel Conduit (RGS)

b. Exposed corrosive environment (petrochemical, wastewater, chemical, pulp

and paper, bridges, tunnels, docks, piers, and cooling tower and vicinity):

PVC Coated- Rigid Galvanized Steel Conduit (PVC-RGS). Installer shall be

certified by manufacturer to install PVC coated conduit.

3. Direct Buried: PVC Schedule 80

4. Embedded in concrete: PVC Schedule 40 PVC

5. Under Roadway: Steel Reinforced, concrete encased duct bank, PVC Schedule 40

PVC ducts

6. Conduit stub-up: Rigid Galvanized Steel Conduit (RGS)

7. Provide conduit with drag line for cable pulling. Drag line shall be 0.12 inch

polypropylene non-filament utility rope as manufactured by Royal American

Company, Thomas Industries or approved equal.

8. Submersible Applications: Flexible fiberglass composite underwater duct with

design pressure strength of three time the pressure of the installed water depth

minimum.

E. Rigid Metal Conduit

1. Rigid metal conduit shall be construct of mild steel tube with continuous welded

seam in accordance with ANSI C80.1, and UL 6.

2. Exterior and Interior of conduit shall have protective coating consisting of

Metallic zinc applied by hot-dip galvanizing or electro- galvanizing with a final

coat of transparent zinc chromate to exterior. Exterior and interior coatings

applied to conduit shall afford sufficient flexibility to permit field bending

without cracking or flaking.

3. Thread pitch shall conform to ANSI/ASME B1.20.1. Taper shall be 3/4”/ft.

4. Each length of conduit shall have UL listing label.

5. Couplings, unions, and fittings: Threaded-type, galvanized steel. Covers shall

have solid gaskets and captive screw fasteners.



6. Size of conduits shall be as indicated on construction drawing or as specified

herein. Where size is not indicated, it shall be in accordance with the fill

requirements as defined in the NEC. Unless otherwise indicated, the minimum

size conduit shall be 3/4 inches.

7. The RGS conduits shall be hot dipped galvanized inside and out with hot dipped

galvanized threads.

8. Each underground joint shall be sealed and made liquid-tight.

9. Stainless steel screws shall be furnished and used to attach the covers to the

conduit fittings. All coated material shall be installed, patched according to the

manufacturer’s latest printed recommended installation and patching instructions,

and as approved by the Engineer.

10. All conduits shall be secured to outlet boxes, junction boxes or cabinets.

11. All conduit terminations shall be equipped with insulating bushings.

12. Couplings, connectors and fittings used for the installation shall be of a type

specifically designed and manufactured for use with the supplied plastic-coated

conduit. Flexible liquid-tight conduit and connectors shall be used where final

connection to equipment with rigid conduit is not practicable, such as to

equipment with adjustable mountings or subject to vibration as specified above.

Where used the flexible conduit runs shall be no less than 20 inches in length or

as approved by the Engineer.

13. Use solid gaskets. Ensure conduit fittings with blank covers have gaskets, except

in clean, dry areas or at the lowest point of a conduit run where drainage is

required.

F. PVC-Coated Rigid Galvanized Steel Conduit

1. PVC-coated raceway shall be installed as a system, which means the fittings,

conduit bodies, straps, hangers, boxes, etc., are also coated.

2. Exterior coating shall be a minimum of 40-mil, polyvinyl chloride (PVC) coating

over exterior and apply urethane coating uniform and consistent to interior of

conduit. Internal coating shall be nominal 2 mil thickness. Conduit threads shall

be protected by urethane coating.

3. Use manufacturer acceptable method when threading the PVC coated conduit.

4. The integrity of PVC coating shall be maintained at the threaded connection.

G. Reinforced Thermosetting Resin Conduit (RTRC)

1. Reinforced Thermosetting Resin Conduit shall be an epoxy-based resin system

using anhydride-curing agent. RTRC shall be UL 1684 listed.

2. Conduit shall consist of continuous E-glass roving. Additives for increasing flame

spread and lowering smoke density shall be halogen free.



3. The conduit shall be rounded and shall be free from all defects including

indentations, delamination, pinholes, foreign inclusions, and resin-starved areas.

The bore of the conduit shall be smooth and uniform.

4. Carbon black shall be used as ultraviolet inhibitor to protect conduit and fittings.

5. Dielectric strength shall exceed 400 volts/mil when tested in accordance with

ASTM D149.

6. All elbows and fittings shall be manufactured from the same process, methods

and chemicals as the conduit. Fittings, elbows, joints and accessories shall be as

recommended by manufacturer to maintain UL listing of components and system.

7. Conduit bodies shall be manufactured using compression molding process using

vinyl ester resin with reinforcement glass. Bodies shall be fire resistant in

accordance with UL 1684 and be halogen free.

8. Minimum wall thickness of 0.09 inches for normal size 2”-4” for general

application. Extra heavy wall with minimum wall thickness of 0.25 inches for

normal size 3”-8” for heavy loading, long span, and/or under water crossing

applications.

H. Liquid tight Flexible Metallic Conduit (LFMC)

1. Conduits to motors and other electrical vibrating equipment shall terminate in

conduit fittings on the motors and equipment, the final connection being made

with liquid-tight flexible conduit and suitable liquid-tight connectors.

2. Flexible conduit shall be as short as possible and in no case, shall not exceed a

conduit run of 2m.

3. Provide liquid-tight flexible metallic conduit with a protective jacket of PVC

extruded over a flexible interlocked galvanized steel core to protect wiring against

moisture, oil, chemicals, and corrosive fumes.

4. All fittings used for flexible metallic conduit shall be specifically designed for

such conduit.

5. Liquid-tight unions shall be installed where standard threaded couplings cannot be

used.

I. Rigid Non-metallic Conduit

1. Ensure rigid non-metallic conduit complies with NEMA TC 2 and NEMA TC 3

with wall thickness not less than Schedule 40.

2.05 CABLE TRAY

A. Cable Tray Type: Ladder, NEMA Class / CSA Class C; design load: 97kg/m; design

support spacing: 3m.



B. Cable Tray Material: glass fiber-reinforced plastic (Vinylester Resin). ASTM E-84,

Class 1 Flame Rating and self-extinguishing requirements of ASTM D-635.

C. Cable Tray Width and Loading Depth: As indicated on drawings.

D. Compliance Standards: NEMA VE-1/CSA Tray Standards; NEMA VE-2; ANSI /

ASQC Q9001-2000 (ISO 9001 Compliant); CSA Certified.

E. Contractor shall provide transition components for turns and risers, conduit

attachments, power and control cables divider, supporting brackets and hardware as

required.

2.06 ENCLOSURE, JUNCTION BOXES, AND TERMINAL CABINETS

F. Size junction boxes, pull boxes, and enclosures in accordance with requirements of

NEC.

G. In general, all electrical equipment and instrumentation shall be in enclosures.

Enclosures, junction boxes, and terminal cabinets located in exposed or semi-

exposed locations shall be stainless steel, NEMA 4X (or IEC type IP56 rated) as a

minimum.

H. Enclosures, boxes, and cabinets in wet locations or subject to condensation shall

include a drain hole at the low point of the enclosure.

I. Interior flush mounted outlet boxes shall have a cadmium or galvanized finish and

be pressed code gage steel. All covers shall be stainless steel with a satin finish to

match size of box.

J. Building interior pullboxes and junction boxes shall be galvanized finish 14 gage

steel to UL requirements for sizes required for building interior applications. Covers

shall be galvanized 14 gage sheet metal with sheet metal screws for fasteners. All

edges shall be free from burrs.

K. General purpose enclosures, boxes, and cabinets installed indoors in unconditioned

space shall be NEMA 12 rated.

L. Enclosures, boxes, and cabinets in dry, environmentally controlled areas and that are

exceptionally clean may be NEMA 1 rated.

M. Standard 2 inch x 4 inch outlet boxes shall be a minimum of 2.5 inches deep and

standard 4 inch square outlet boxes shall be a minimum of 2.5 inches deep in size.

Size shall conform to the NEC for wire fill and conduit attachments.

N. Junction boxes pull boxes and electrical enclosures larger than 4” trade size in any

dimension shall be of adequate strength to support mounted components without

deflection during shipment and installation.

O. Underground boxes shall be specifically design and construct for intended installed

location, and be either pre-formed concrete or high strength fiberglass. Body and



Cover shall be capable of withstanding, without failure, type of traffic in general

area.

P. Electrical enclosures located in outdoor, wet, or hose down areas shall be provided

with space heaters, adjustable thermostat with set point temperature indicator, and

miniature circuit breaker protective device. Space heater capacity shall maintain

enclosure internal temperature above dew point under specified service conditions.

Q. Outdoor electrical enclosures with ventilating openings shall be provided with fine

mesh filters and stainless-steel bug screens.

R. Conduit entrances: Field drilled.

2.07 HARDWARE

A. Provide hardware including, but not limited to, anchor bolts, nuts, washers,

expansion anchors, wire nuts needed for installation.

B. Provide corrosive resistance hardware suitable for the environment and compatible

with the electrical equipment construction and degree of environment and ingress

protection.

C. Hardware smaller than 3/4” shall match NEMA standard size bolt holes on motors

and electrical equipment.

2.08 DRY-TYPE TRANSFORMERS

A. Provide separately mounted transformers as shown on Drawings. General purpose

dry-type transformers with windings 600 volts or less shall be two-winding, 60

hertz, self-cooled in accordance with UL 506.

B. Enclosures shall be made of sheet steel with corrosion-resistant finish and

manufacturer’s standard color. Ingress protection rating shall be suitable for the

environment and in accordance with requirements of this Special Specification.

C. Provide at least 2 full kVA capacity voltage taps above and 2 full kVA capacity taps

below nominal rating. Each tap shall be 2.5% step.

D. Transformer shall be capable of at least 150ºC rise above rated site maximum

ambient without degrading transformer life.

E. Transformers shall be capable of continuous operation at rated kVA with normal life

expectancy as defined in ANSI C57.

F. Noise levels and vibration emitted from the transformer shall be limited to those

defined in NEMA ST-20 and IEEE C57.12.01.

G. The efficiency of a low-voltage dry-type distribution transformer manufactured shall

be no less than that required for their kVA rating in the table below. Low-voltage



dry-type distribution transformers with kVA ratings not appearing in the table shall

have their minimum efficiency level determined by linear interpolation of the kVA

and efficiency values immediately above and below that kVA rating. All efficiency

values are at thirty-five percent of nameplate-rated load temperature corrected to

75°C, determined according to the DOE Test Method for Measuring the Energy

Consumption of Distribution Transformers under Appendix A to Subpart K of 10

CFR part 431.

Energy Conservation Standards for Low-Voltage

Dry-Type Distribution Transformers

Single-phase Three-phase

kVA Efficiency % kVA Efficiency %

15 97.70 15 97.89

25 98.00 30 98.23

37.5 98.20 45 98.40

50 98.30 75 98.60

75 98.50 112.5 98.74

100 98.60 150 98.83

167 98.70 225 98.94

250 98.80 300 99.02

333 98.90 500 99.14

— — 750 99.23

— — 1000 99.28

2.09 SAFETY DISCONNECT SWITCHES

A. Provide electrical equipment with heavy-duty, quick-make, quick-break, non-fused

type isolation switches, NEMA 4X enclosure. The isolation switches ratings shall

be as indicated on the construction drawings. If not indicated and required by local

authority, provide safety isolation switch rating suitable the application operating

voltage, current rating, number of poles, and installed environment.

B. Switch construction is such that the operating handle shall be integral part of

enclosure base and when the switch handle in the "ON" position, the cover or door

cannot be opened.

C. Provide provisions to lock the handle in the "OFF" position and not capable of being

locked in the "ON" position.

D. Provide two (2) auxiliary contacts rated at 15A to be use for space heater circuit and

for disconnect position status.



2.10 WIRING DRVICES

A. Lighting switches for interior building application shall be mounted in outlet boxes

with covers. The switches shall be 20A, 120/277 VAC rated toggle type tumbler

switch for all indoor applications. The switches shall be brown in color heavy duty

with silver alloy contacts on leaf spring, molded bases and cover cap with side and

back terminal screw connections. All switches shall be single pole and manufactured

by Hubbell, Arrow-Hart, and Pass & Seymour or approved equal.

B. Lighting switch for outdoor, wet and/or damp location applications shall be in

weather proof box and cover, NEMA 4X, IP66, Type: Lever Switch. Color: Yellow.

For use with all 15A-40A Toggle Switches.

C. Photocontrol shall be capable of 120V operation with 20A contact rating suitable for

inductive and continuous contactor coil burden. The photocontrol shall turn on at

four foot-candles with time delay to prevent false turn on or off. Contacts shall be

single pole, single throw. Acceptable manufacturers are Tork, General Electric,

Stonco or approved equal.

D. Provide convenience receptacle outlets as indicated on drawings.

E. Provide receptacle outlets with ground fault protection as required by the NEC.

F. The degrees of ingress protection rating (IP Code) or NEMA enclosure rating for

electrical equipment and wiring devices shall be suitable for the installation

environment. Provide weather proof enclosure rating of NEMA 4X, IP66 for

application in wet and/or damp locations including on bridge structure, machinery

deck under the bridge, counter weight pit, on piers and other location exposed to

outdoor elements.

G. The convenience receptacle outlets shall be standardized for each rating and type,

shall comply with local standard. Plugs shall not be interchangeable with sockets of

a different voltage or current rating. The receptacle outlets shall have a ground

connection incorporated.

H. Convenience receptacles for interior building application shall be duplex type, 20A,

125V, 2-pole, 3 wire type and brown color. Receptacles shall be NEMA Class 5-

20R of specification grade, grounding type with side and back terminal screw

connections.

I. Receptacles for outdoor applications shall be in raintight boxes with neoprene

gasketed, locking covers, and shall be protected by ground fault interrupter (GFI).

J. Ground fault interrupter (GFI) type duplex receptacles shall be NEMA Class 5-15R

15A, 120V rating. Device trip level shall-not-exceed 6 milliamps and a "TEST" and

"RESET" button shall be in the face of the device.

K. Acceptable manufacturers for all receptacles are Hubbell, Arrow-Hart, Pass &

Seymour or approved equal.



2.11 WELDING RECEPTACLE

A. Power and welding outlets shall be 3 phase, 3 wire, 4 pin industrial switched socket

units. Voltage and current ratings are as indicated on drawings.

B. All welding outlets shall be suitable for outdoor installation. Not more than two

outlets shall be connected to one circuit which shall be fed with 30 mA ground

leakage circuit breakers on the source power panel.

C. The power outlets shall be connected so as to have the same phase rotation, ensuring

that correct rotation of movable equipment is obtained from all outlets.

D. Provide 1 matching plug with appropriate woven grip and plug cap for cable size.

Match receptacles to equipment.

2.12 MOBILE GENERATOR RECEPTACLE OUTLET

A. Provide portable generator docking station for quick connection to a mobile

emergency generator allowing you to receive temporary power quickly and safely.

B. Docking station ratings: 200A, 480V, 3-phase,

C. Load Connection: Mechanical set screw lugs

D. Incoming Generator Power Connection: Cam-lock male receptacles - 16 Series,

400A, 600V, UL Listed

E. Enclosure: Stainless steel, NEMA 4 weatherproof enclosure

F. Camlock Power Cable: 25 feet circuit cable length, #4/0 AWG color-coded male and

female camlock connectors [Orange, Yellow, and Brown for each Phase, Green for

Ground, white for neutral].

2.13 LIGHTING FIXTURES AND LAMPS

A. Provide lighting fixtures of types, quantity, and locations as indicated on the design

drawings.

B. Manufacturers and catalog numbers shown on lighting fixture schedule are

indicative of the general type desired and are not intended to restrict the selection to

fixtures of any particular manufacturer. Fixtures with the same salient features and

equivalent light distribution and brightness characteristics, of equal finish and

quality, are acceptable.

C. Provide lamps of the proper type and wattage for each fixture. The electrical ratings

of lighting fixtures shall be compatible with the electrical supply source for the

applicable lighting circuit.



D. The degrees of protection rating (IP Code) shall be suitable for the installation

environment.

E. Provide Light Emitting Diode (LED) Lamps and Fixtures unless indicated otherwise

on the drawings.

F. LEDs shall be tested per IES LM-79, LM-80, and TM-21 parameters. The test

reports shall be submitted to the engineer with the LED light fixture submittals for

review and approval.

G. The LED system (LEDs and the driver) shall have minimum rated life of the

combined system is approximately 50,000 hours.

H. LED luminaire shall be provided with surge-protection devices (SPDs) be provided

for each. SPDs shall be UL1449-recognized for all phases (line/neutral, line/ground,

and neutral/ground).

I. Exit Signs shall be LED and shall use no more than 5 watts for the entire sign.

J. Provide heavy duty toggle switch for control lighting fixtures with rating suitable for

the application voltage and current ratings.

2.14 AIR HORN

A. Furnish one heavy-duty, self-contained dual air horn unit and install on the outside

of the tender house as described on the Contract Drawings and as herein specified.

The horns shall be oppositely directed and parallel to the channel axis when the span

is closed.

B. Each horn shall be electric, resonating horn made of corrosion resistant, non-

magnetic grade stainless steel. The horns shall be rated 105-125 dB at 10’ for

operation on 120 volt and 60 Hz.

C. Mounting plates, brackets, and stainless steel mounting hardware shall be provided

as part of this item.

D. The Contractor shall submit outline-dimensioned drawings, of his proposed air horn

unit, mounting details, and specification in the form of catalog cuts and data sheets

of proposed air horn to the Engineer for approval prior to procurement.

2.15 FINISHES

A. Manufacturer’s standard coating systems shall be factory-applied. Coating systems

shall provide resistance to corrosion caused by weather and industrial environments.

B. Uncoated machined and ferrous surfaces subject to corrosion shall be protected with

rust-inhibitor compounds. Surfaces to be field welded shall be coated with

consumable rust-inhibitor compounds that will not affect quality of weld.

C. External gasket surfaces, flange faces, couplings, rotating equipment shafts and

bearings shall be thoroughly cleaned and coated with rust-inhibitor compound.



2.16 IDENTIFICATION AND TAGGING

A. Conduits inside manholes, hand holes, and building entrance pull boxes shall be

provided with 19-gage stainless steel identification tags, with 1/2” stamped letters

and numbers. The conduit tag shall provide, as minimum:

1. Conduit/duct identification

2. List of circuits contain in conduit/duct cell

B. Provide power, control, and instrumentation cables with permanent type

identification markers with typed cable numbers and from/to information at each

point of termination. Tags shall be permanent, wrap around, heat-shrinkable type

with typewritten information. Cable identification tags shall match cable indicated

of final construction shop drawings.

C. Cables shall be tagged with identification both when entering and leaving a cable

tray, and at every 10-feet length.

2.17 SIGNAGE AND EQUIPMENT NAMEPLATES

A. Ensure each item of equipment has a nameplate bearing the manufacturer's name,

address, model number, and serial number securely affixed in a conspicuous place;

the nameplate of the distributing agent is not acceptable. Nameplates for equipment

installed outdoor and in the corrosive area shall be stamped 316 stainless steel and

shall be attached with stainless steel hardware.

B. Motor starters, either separately mounted or contained in motor control centers, shall

have nameplates identifying electrical equipment load served. Where separate

control and indicating lights are used, starters shall have engraved or etched legends

("start", "stop", etc.) as shown on Drawings.

C. Provide control stations with nameplates identifying electrical equipment load

served. Control and indicating lights shall have engraved or etched legends as

shown on Drawings.

D. Circuit breakers within main switchboards and distribution switchboards shall be

provided with nameplates identifying equipment being served.

E. Fused and non-fused disconnect switches shall have front cover-mounted nameplate

indicating switch type, manufacturer's name, catalog number, and appropriate rating

for equipment served. The contractor shall also provide field installed nameplate to

identify equipment being served.

F. Lighting and auxiliary power transformers shall have front cover-mounted

manufacturer’s standard nameplates with manufacturer data, serial and model



numbers, electrical ratings, etc. The contractor shall also provide field installed

nameplate to identify location of derived power source (identification and location)

G. Provide safety signage and arc flash hazard warning labels on the electrical

equipment per the requirements of the NEC and NFPA 70E.

H. Provide one-line diagram permanently mounted to structure or wall located within

sight of the main service switchgear.

I. Place permanent legible warning sign with wording “Danger – High Voltage”

required for following locations with equipment over 600 volts:

1. At entrances to electrical equipment vaults and electrical equipment rooms, areas,

or enclosures, and manholes and handholes, unless words are cast into access

cover.

2. At points of access to conductors on high-voltage conduit systems and cable

systems.

3. On cable trays and cable trench containing high-voltage conductors with

maximum spacing of warning notices not to exceed 10’ (3 m).

2.18 LIGHTNING PROTECTION SYSTEM

A. Provide a lightning protection system that meets the requirements of NFPA 780.

Lightning protection system consists of air terminals, roof conductors, down conductors,

ground connections, and grounding electrodes. Expose conductors on the structures

except where conductors are required to be in protective sleeves. Bond secondary

conductors with grounded metallic parts within the building. Make interconnections

within side-flash distances at or below the level of the grounded metallic parts.

B. Provide lightning protection system consisting of the UL Listed products of a

manufacturer regularly engaged in production of lightning protection system

components. Comply with NFPA 70, NFPA 780, and UL 96.

C. Confirm all details of work, verify all dimensions in field.

D. Do not use a combination of materials that forms an electrolytic couple of such nature

that corrosion is accelerated in the presence of moisture unless moisture is permanently

excluded from the junction of such metals. Where unusual conditions exist which would

cause corrosion of conductors, provide conductors with protective coatings, such as tin

or lead, or oversize conductors. Where a mechanical hazard is involved, increase

conductor size to compensate for the hazard or protect conductors. When metallic

conduit or tubing is provided, electrically bond conductor to conduit or tubing at the

upper and lower ends by clamp type connectors or welds (including exothermic). All

lightning protection components, such as bonding plates, air terminals, air terminal

supports and braces, chimney bands, clips, connector fittings, and fasteners are to

comply with the requirements of UL 96 classes as applicable.



E. Provide main and bonding conductors per the requirements of NFPA 780 and UL 96

Class I, Class II, or Class II modified materials as applicable.

F. Provide copper conductors, except where aluminum conductors are required for

connection to aluminum equipment.

G. Provide air terminals type as indicated on the design drawing.

H. Provide connectors for splicing conductors that conform to UL 96, class as applicable.

Conductor connections can be made by clamps or welds (including exothermic).

Provide style and size connectors required for the installation.

I. Provide connector fittings for "end-to-end", "Tee", or "Y" splices that conform to NFPA

780 and UL 96.

J. Provide grounding plates made of bronze conforming to UL 96.

2.19 TOUCHUP PAINT AND SPECIAL TOOL

A. Provide touchup paint in same type and color for electrical switchgear, transformer,

and motorized equipment to repair at least 10% of finish-painted equipment surface.

Paint shall be sufficient to perform touch-up painting in accordance with shop

applied material instructions for repair painting.

B. Equipment requiring special tool specific to the equipment shall be furnished with

that special tools as required for installation, maintenance, and dismantling of

equipment. Furnish in quantities as necessary to complete work on schedule. Tools

shall be new and shall become property of the CITY.

2.20 TRAFFIC WARNING GATES

A. A total of four (4) motor-operated, single-arm, warning gates for movable bridge

application shall be furnished and installed at the approach roadway to the bridge, as

indicated on the Contract Drawings. The requirements for the control system

interface connections between the bridge control system and the gates are also

indicated on the on the Contract Drawings.

B. The operating mechanism and main control components with the exception of the

gate drive motor starter shall be contained in a weatherproof housing. The housing

shall be constructed of .188” (4.8mm) carbon steel, hot dip galvanized after

fabrication. Exterior surfaces shall be painted aluminum. All fasteners shall be

corrosion resistant. Arm shaft openings shall incorporate O-ring seals.

C. Each gate shall have an arm of length sufficient to straddle the width of the roadway

Contractor to verify arm length requirements in the field).



D. Each gate shall open through an angle of 90 degrees from the horizontal to the

vertical.

E. Each gate shall have a welded steel stand arranged to provide a weather tight

housing for the motor, disconnect switch, gear train, limit switches and fuses for

warning lights. The gate stands shall be hot-dip galvanized after fabrication. The

transmission gearing for each gate shall be enclosed. weathertight, gasketed doors

shall be provided for access to the operating equipment. A hand crank shall be

provided for manual operation of each gate together with hand crank release limit

switch.

F. The gate arm shall be 4” (102mm) square, 6005-T5 aluminum extruded tubing.

Stainless steel truss cables and a bumper rod with compression spring shall be

provided near the end of each gate arm to stop the travel at the closed position

without undue shock. Front and rear arm surfaces shall be covered with alternating

red and white high intensity reflective sheeting. Stripes shall be 16” (406mm) wide,

and vertical according to MUTCDC. Remaining exposed surfaces shall be painted

white. Each assembled gate arm shall be designed for a 120 KPH wind load.

G. The main arm shaft shall be of 2” (51mm) diameter AISI 4150 with a minimum

tensile strength of 140,000 psi. The shaft shall be mounted in heavy duty re-

lubricable ball bearings.

H. All bolts, screws or other fastenings used in the gate arm assembly and for

connection to the gate stand shall be corrosion-resisting metal or shall be hot-dip

galvanized.

I. The warning lights shall be furnished on the gate arms. The warning lights housing

shall be of high impact molded plastic; moisture and corrosion proof with 2-way

visibility, 7- inch (178mm) diameter red lenses. The lamp shall be 12 VDC, LED

100,000 hours design for the application.

J. The flasher shall be heavy duty, solid state, fully factory wired, with two alternately

flashing circuits and one steady burn circuit. The flasher shall include mounting

hardware, solid state flashing circuitry, clearly labeled terminal block, heat sink, and

transformer when required. The flashing rate shall be 0.5 seconds ON, 0.5 seconds

OFF. Terminals shall be clearly labeled and shall be compression type screw

terminals. Input voltage shall be 120 VAC. The flasher shall operate properly for

input voltage within 10% of nominal.

K. Each warning gate shall be provided with a warning gong. Each gong shall be a

weatherproof, motor-operated, 12-inch gong mounted on the warning gate housing

and provided with a suitable base for fastening to the gate housing. The gong shall

be of cast bronze, fire alarm bell metal and shall be held with theft-proof nuts.

L. An 8-circuit limit switch shall be provided in each gate, operated by the gate

mechanism. Each limit switch shall be rotary-cam type and it shall be gear driven

from the transmission. The contacts shall be quick-break with silver alloy buttons.



The limit switch shaft shall be stainless steel, and cams shall be secured thereto with

setscrews.

M. The motor for each warning gate shall be furnished as part of the gate system. Motor

shall be a totally enclosed, 3-phase, 460 volts, AC, provided with a fully rated

disconnect switch and shall be capable of withstanding instant reversal when

running at full speed. Each motor and gear train shall be capable of opening and

closing the gate in about 11 seconds. A motor-mounted, spring set, magnetically-

released, disc brake shall be provided for stopping and holding the mechanism. A

watertight disconnect switch shall be provided to permit disconnecting the motor

and brake from the incoming power. Each gate mechanism shall be furnished

complete with space heaters, thermostats, work lights, light switches and duplex

receptacles and be suitable for 120 volts, 60 Hz operation.

N. Safety switches shall be installed and set at the factory to break the control circuit

when either access door is opened. Door safety switches shall have a pull-to-

override feature for test operation and shall automatically reset when doors are

closed.

O. All internal wiring for each gate shall be brought to numbered terminal blocks inside

the housing for the connection of external circuits.

P. The arms shall be counterbalanced and the limit switches adjusted so that the arms

are stopped in a truly vertical or horizontal position. All warning gates shall be

attached to the bridge deck with stainless steel or galvanized anchor bolts. Bolts and

attachments to the deck shall be furnished in accordance with manufacturer's

recommendations.

Q. No exposed electrical or control wiring shall be permitted. All wiring on the gate

arm shall be in rigid metal conduit. Wiring between the gate arm and housing shall

be of the armored flexible type.

R. The Contractor shall submit outline drawings dimensioned layout, schematic and

wiring diagrams of the warning gates for review and approval.

2.21 TRAFFIC SIGNAL LIGHT AND POLE ASSEMBLY

A. The traffic signal light and pole assembly shall meet New York Department of

Transportation (NYSDOT) standards.

B. Material and installation for the signal light fixtures, poles, base foundation, and

assembly hardware shall be in accordance with the NYSDOT Highway Design

Manual and Standard Specification.



CONSTRUCTION

3.01 PROTECTION AGAINST CORROSION

A. Provide equipment enclosures with the standard finish by the manufacturer when

used for most indoor installations. For indoor installation, hot-dip galvanized ferrous

metals hardware is acceptable.

B. For outdoor installation of electrical equipment, provide stainless steel hardware

such as, but not limited to, anchors, bolts, braces, boxes, bodies, clamps, fittings,

guards, nuts, pins, rods, shims, thimbles, washers, and miscellaneous hardware.

C. Where connected to dissimilar metal, provide suitable fittings and treatment.

3.02 INSTALLATION

A. Conduits, Raceways and Fittings

1. During the construction phase, all open ends of the conduit termination shall be

plugged with approved conduit stopping plugs to prevent ingress of moisture,

water, and construction debris and/or aggregate

2. Conduits shall be swabbed out and free from moisture before wiring work is to

commence.

3. The number of cables drawn into a conduit shall be such that no damage will be

caused to the cables or to the conduits during their installation.

4. The conduit fill shall not exceed the allowable fill dictated by the local country

electrical installation codes; in no case, the maximum shall exceed 40% filled

based on the total cross sectional area of the cables and the total inner cross

sectional area of the conduit.

5. Conduits shall be installed in practical alignment with the structure, with uniform

pitch draining toward boxes with properly formed bends and securely attached to

the bridge structure.

6. Surface mounted shall be supported throughout the entire route at regular

intervals. The spacing between adjacent support points shall not exceed the

manufacturer recommendation for their respective conduit sizes.

7. Where rigid steel conduit crosses an expansion joint or where significant

temperature differentials are anticipated (such as outdoor raceway spans between

structurers, attached to bridges, on rooftops, etc.) expansion fittings shall be

provided to allow relative movement to occur on either side of the expansion

joint. A separate circuit protective conductor shall be installed to maintain an

effective electrical continuity across the expansion joint. Provide factory installed



packing ring, designed to prevent the entrance of moisture, and a pressure ring.

Include a Grounding ring or a Grounding conductor for metallic expansion

couplings.

8. An adequate number of suitably sized adaptable boxes shall be provided in all

conduit runs to facilitate circuit wiring installation without damage. Adaptable

boxes shall be provided immediately after every two bends, or after a bend plus a

maximum straight run of 30 ft, or after a maximum straight run of 50 ft.

9. Conduit ends shall be reamed prior to installation and open ends plugged

following installation. Each run shall be thoroughly clean prior to pulling of

wires. Conduits shall enter junction boxes or enclosures squarely and terminate

securely with approved bushings and locknuts.

10. Conduit runs between outlet and outlet, between fitting and fitting, or between

outlet and fitting cannot contain more than the equivalent of three 90-degree

bends, including those bends located immediately at the outlet or fitting.

11. Do not install crushed or deformed conduit. Avoid trapped conduit runs where

possible. Take care to prevent the lodgment of foreign material in the conduit,

boxes, fittings, and equipment during the course of construction. Clear any

clogged conduit of obstructions or be replaced.

12. Provide required penetrations in floors, walls, or roofs. Penetrations shall be as

small as possible, and installed in neat manner. Repair of the surrounding surfaces

damaged during installation of penetrations shall be included as part of this work

13. Where a conduit passes through fire resistant structural elements, such as walls

and floors designated as fire barriers, the penetration openings shall be properly

sealed according to the appropriate degree of fire resistance of the penetrated wall

and/or floor to prevent the spread of fire and smoke from one area migrating into

another. In addition, where a conduit is installed in a channel, duct, ducting,

trunking or shaft which pass through such elements, suitable fire-resistant barriers

shall also be provided to prevent the spread of fire.

B. Rigid Steel Conduit

1. Conduit shall not be bent with an acute angle. Conduit bends and offsets shall be

made with appropriate conduit bending machine. The internal radius of the bend

shall not be less than 2.5 times the outside diameter of the conduit. Use long

radius conduit for elbows larger than 65 millimeters.

2. Joint in steel conduits shall be made by means of a solid coupler into which the

adjacent ends of the two conduits shall be inserted to approximately half into it

and screwed up tightly in order to make the conduit run mechanically and

electrically continuous. No threads on either conduit shall be exposed.

3. Provide all conduit stubbed-up through concrete floors for connections to free-

standing equipment with the exception of motor-control centers, cubicles, and



other such items of equipment, with a flush coupling when the floor slab is of

sufficient thickness. Otherwise, provide a floor box set flush with the finished

floor. For conduits installed for future use, terminate with a coupling and plug set

flush with the floor.

4. Threads must be clean to insure electrical continuity of the assembled raceway

system. Leave the thread protectors on the conduit until ready to use. Wipe field-

cut threads with a clean cloth to remove excess oil and apply an electrically

conductive corrosion resistant coating.

5. The steel conduit installation shall be mechanically and electrically continuous

throughout and effectively grounded.

C. PVC-coated Rigid Galvanized Steel Conduit

1. To minimize installation damage to the PVC coatings, the contractor shall use

only tools specially designed for PVC-coated conduit or standard tools that have

been appropriately modified for installing PVC-coated conduit. Standard tools

which have not been modified could damage the coatings and shall not be used to

install PVC coated conduit.

2. The conduit threaded in the field shall be coated with an electrically-conductive,

corrosion resistant compound. Provide sleeves on PVC-coated conduit couplings

and fittings to insure continuous coating protection between a section and fitting.

3. Provide conduit sleeve or opening for grouping of multiple conduits to pass

through concrete wall structure with proper seal and support.

4. When expansion joints are used in PVC-coated conduit systems, the contractor

shall install an external bonding jumper by removing a portion of the PVC coating

from the conduit where the jumper will be attached, installing the jumper, then

repairing the surrounding coating with touch up compound provided by the

manufacturer. Specific instructions from the PVC-coated conduit manufacturer

shall be followed for proper installation.

D. Flexible Metallic Conduit

1. Use flexible metallic conduit to connect recessed fixtures from outlet boxes in

ceilings, transformers, and other approved assemblies.

2. Provide conduits with a continuous copper bonding conductor spiral wound

between the convolutions for continuous ground bonding for electrical systems.

Flexible conduit is not considered a ground conductor.

3. Connect equipment that moves due to vibration, normal operation of mechanism,

or thermal expansion with flexible conduit.

4. Use liquid-tight flexible metallic conduit in wet and oily locations and to

complete the connection to motor-driven equipment.

5. Flexible metal conduit 1-1/2” and larger shall be installed with external lugs and



external grounding conductor.

E. Rigid Nonmetallic Conduit

1. Ensure rigid PVC conduit is direct buried.

2. Install an insulated copper Grounding conductor in conduit with conductors and

solidly connect to ground at each end.

F. Splices and Connectors

1. Make all splices for conductor AWG No. 8 and smaller with approved Indentor

crimp-type connectors and compression tools.

2. Make all splices for conductor AWG No. 6 and larger with bolted clamp-type

connectors. Wrap joints with an insulating tape that has an insulation and

temperature rating equivalent to that of the conductor.

G. Wiring

1. All circuit cables be installed in raceway system and be protected against physical

damage. The cable routing shall be selected in a way to allow a complete

segregation of low voltage power cables and of control signal and communication

cables. Cable crossings in the same plane shall be avoided.

2. Circuit wiring installation shall include placement, termination, identification,

testing, and verification proper circuit wiring of each circuit and conductor.

3. No splicing using wire nuts or twist on connectors or split bolt connectors shall

not be permitted for any connections.

4. Where several feeders pass through a common pull box, tag the feeders to clearly

indicate the electrical characteristics, circuit number, and panel designation.

5. PVC sleeve shall be provided where cables are required to pass through a

structure such as a wall or column. The size of the PVC sleeves shall be such that

the space factor shall not exceed 40%. The openings and air gaps through

structure shall be completely filled with cement or approved fire-resisting

material.

6. Rubber grommets or insulated bushes shall be provided for protection of cables

passing through metal part of metal enclosures, or other metal work.

7. Provide good cable management practice, neatly train and lace wiring inside

boxes, equipment, and panelboards. Label spare conductor as “SPARE” and

terminate spare conductors with heat shrink insulation sleeves.

8. Circuit wiring cables shall be separated in accordance with type of cables,

function, and voltage class as described below:



a. Cables of like signal and power levels may be grouped together in the same

raceways.

b. Different voltage grade/class group levels must run in separate raceways.

c. If wires are the same level and same type signal, group those wires from one

cabinet to any one specific location together in multi-conductor cables.

d. When unlike signals must cross in trays or conduit, cross them in 90° angles at

maximum spacing. Where it is not possible to maintain spacing, place a grounded

steel barrier between unlike levels at the crossover point.

H. Grounding System

1. All metallic and exposed conductive part associated with an electrical installation

but not forming part of a normal current carrying conductor, shall be solidly and

effectively bonded and grounded in accordance with the NEC and the applicable

electrical codes and standards.

2. The main grounding terminal shall be connected to ground via a grounding

conductor to a ground electrode or a group of electrodes to achieve effective

Grounding system. Where an installation distributes to multiple separated

buildings or structure, a separate main grounding terminal shall be provided for

each individual building or structure at the electrical service point of each

building or structure.

3. Public gas or water service pipes shall not be used as the sole protective ground

electrode.

4. In case the grounding resistance achieved by one rod is not sufficiently low for

the purpose required, the contractor shall provide and install additional lengths or

additional rods until effective grounding resistance is achieved.

5. Ground rod electrode shall be driven into the ground within a ground pit to allow

ground resistance measurement and testing.

6. Bonding conductor shall be solidly and effectively connected to the extraneous or

exposed conductive parts by means of a copper connector-clamp of an approved

type suitable for the application. All contact surfaces shall be cleaned and free

from non-conducting materials, such as grease or paint, before the connector

clamp is installed.

7. Electronic panels and equipment, where required, shall be grounded utilizing an

insulated ground wire connected in accordance with the manufacturer’s

recommendations. In some situations, a separate small grid and ground rod,

isolated from the main ground, shall be required.

I. Electrical Equipment Clearance

8. Electrical and electronic/communications equipment rooms and closets will be



provided with the environmental control system necessary to maintain proper

temperature and, where necessary, relative humidity levels required for the safe

and effective operation of the equipment to be housed therein without

deterioration of that equipment

9. Clear space will be provided around electrical switchboards, panel boards,

transformers, switches, and controllers, electronic consoles, equipment, and other

items, for normal maintenance and operation as required by applicable codes.

10. All junction boxes, pull boxes, and similar points requiring maintenance access

shall be readily accessible. Clearly identified access panels will be provided as

necessary for the proper maintenance and operation of the electrical distribution

system.

J. Safety Switches

1. Securely fasten switches to the supporting structure or wall, utilizing a minimum

of four ¼” bolts. Do not use sheet metal screws and small machine screws for

mounting. Do not mount switches in an inaccessible location or where the

passageway to the switch may become obstructed. Mounting height 5 ft above

floor level, when possible.

K. Wiring Devices

L. Wall Switches and Receptacles

1. Install wall switches and receptacles so that when device plates are applied, the

plates are aligned vertically to within 1/16 inch.

2. Bond ground terminal of each flush-mounted receptacle to the outlet box with an

approved green bonding jumper when used with dry wall type construction.

M. Device Plates

1. Ensure device plates for switches that are not within sight of the loads controlled

suitably engraved with a description of the loads.

2. Mark device plates and receptacle cover plates for receptacles other than single-

phase, duplex, convenience outlets, showing the circuit number, voltage,

frequency, phasing, and amperage available at the receptacle. Required marking

consists of a self-adhesive label having 1/4 inch embossed letters.

3. Similarly mark device plates for convenience outlets indicating the supply panel

and circuit number.

N. Boxes and Fittings

1. Furnish and install pull boxes where necessary in the conduit system to facilitate

conductor installation. For conduit runs longer than 100 ft or with more than three

right-angle bends, install a pull box at a convenient intermediate location.

2. Securely mount boxes and enclosures to the building structure with supporting



facilities independent of the conduit entering or leaving the boxes.

O. Motor

1. Connect motor with flexible metallic conduit.

2. Install, align, and connect motors in accordance with the equipment

manufacturer's instructions.

3. Mount motors with bolts. Ensure motor feet are coplanar within 0.0254

millimeters, and base mounting points are accessible and adjustable to enable

machine alignment. Install alignment jack bolts for motors 15 hp or larger to

enable alignment.

4. Provide commercially die-cut shims, without seams or folds, made of corrosion

resistant stainless steel.

5. Perform motor and load alignment under the direction of the manufacturer's

representative. Recheck alignment of motors and adjust as required after the

motor has been in operation for not less than 48 hours. Provide written final

alignment settings as part of the final test data.

P. Dry-Type Distribution Transformers

1. Connect dry-type transformers with flexible metallic conduit.

2. Mount all dry-type transformers on vibration isolators.

Q. Field Fabricated Nameplates

1. Provide laminated plastic nameplates for each equipment enclosure, relay, switch,

and device, as specified in the technical sections or as indicated on the drawings.

Each nameplate inscription identifies the function and, when applicable, the

position.

2. Provide nameplates that are melamine plastic, 3 mm thick, white with black

center core and a matte finish surface with square corners. Accurately align

lettering and engrave into the core. Minimum size of nameplates is 1” x 2.5”.

Lettering is a minimum of ¼” high normal block style.

R. Identification Plates and Warnings

1. Furnish and install identification plates for lighting and power panelboards, motor

control centers, all line voltage heating and ventilating control panels, fire detector

and sprinkler alarms, door bells, pilot lights, disconnect switches, manual starting

switches, and magnetic starters. Attach identification plates to process control

devices and pilot lights.

2. Provide electrical hazards warning labels including arc flash hazard labels per the

requirements of relevant codes and standards.

3. Furnish identification plates for all line voltage enclosed circuit breakers,

identifying the equipment served, voltage, phase(s) and power source.



4. Cable Identification:

a. Cable numbers shall be marked on the cables along their routes and at both

termination points.

b. For underground cabling, the spacing between cable numbers along the route

should not exceed 25 ft, and for above ground cabling, 50 ft.

c. Cables shall also be numbered where they branch off from a main route and at

both sides of a road crossing. For underground cabling, above ground route

markers shall also be provided at every change of direction in the routing and

at both sides of road or structure crossings.

S. Protection Coordination and Settings

1. Provide electrical system coordination study, protective device settings, and arc

flash analysis for the electrical system covered by scope of this project. Perform a

coordination study based on the actual installed protective devices and system

available fault current detectable by the respective protective devices. Provide

electrical system protective schemes and settings to:

a. Operate only under those conditions for which protection is needed and

remain either passive or biased for all other conditions.

b. Isolate affected portion of electrical system without interruption of the

healthy portion of the electrical distribution system. Provide protective device

settings such that the adjacent upstream and downstream devices are properly

coordinated. This isolation should be as rapid as possible to minimize damage

to components and effect on rest of electrical system.

c. Reduce duration of available short-circuit current to minimize potential

damage to service system and its components.

d. Limit duration of under voltage transients due to faults in the service system

and prevent unnecessary loss of equipment operation.

e. Utilize alternate circuits, automatic throw-overs (or transfers), and/or

automatic reclosing devices (where applicable) to minimize duration and

extent of equipment outages.

2. Motor overload protection shall be selected and set by Contractor based on final

motor nameplate information in compliance with the NEC rules. Size motor

circuit protectors to coordinate with motor starting characteristics and overload

protection.

3. Contractor shall submit the setting summary report as part of the close out

document. The setting summary report shall include the following information:

a. Equipment project identification number

b. Motor identification and nameplate information

c. Starter/overload device identification and nameplate information.

d. Overload device rating, setting range and setting applied.

4. Set all adjustable circuit breakers, trip units, and protective relay devices to limit



damage to faulted equipment, possibility of fire or explosion, and hazards to

personnel. Verify protective devices are operating within manufacturer’s

tolerances as part of the testing and commissioning process. Make changes to

settings not complying with requirements furnished by Engineer. Device settings

will be furnished for following equipment:

a. Medium-voltage system.

b. Low-voltage switchgear.

c. Secondary unit substations.

T. Posted Operating Instructions

1. Print or engrave operating instructions and frame under glass or in approved

laminated plastic. Post instructions where directed.

2. For operating instructions exposed to the weather, provide weather-resistant

materials or weatherproof enclosures.Ensure operating instructions do not fade

when exposed to sunlight. Secure instructions to prevent easy removal or peeling.

3.03 FIELD QUALITY CONTROL

A. Manufacturer's Field Services:

1. Provide manufacturer's field services to support inspection of product installation,

startup, testing and commissioning in accordance with manufacturer's instructions

and recommendations. Arrange and pay for services of manufacturer's factory

service engineer to supervise start-up of installation, check, adjust, balance and

calibrate components and instruct operating personnel. Provide these services for

such period, and for as many visits as necessary to put equipment in operation,

and ensure that operating personnel are conversant with aspects of its care and

operation.

2. Obtain written report from manufacturer verifying compliance of product

installation, startup, testing and commissioning in accordance with manufacturer's

instructions and recommendations.

B. Progress Cleaning:

1. Conduct work progress cleaning and leave Work area clean at end of each shift.

2. Upon completion of work remove surplus materials, rubbish, tools and equipment

in accordance with requirements of construction/demolition waste management

and disposal of the contract.

3.04 INSPECTION, TESTING AND COMMISSIONING

A. Inspection checklists, functional tests, start-up and commissioning documents are

the normal procedure of ensuring that the facility systems (mechanical, electrical,



control, fire protection system, communication and security, etc.) are properly

installed and function as intended design. Contractor shall be responsible for the

start-up and commissioning activities. The Contractor in cooperation with

subcontractors and the A/E shall develop inspection checklists, and testing and

commissioning plan during the Construction Phase.

B. Testing and commissioning of electrical distribution system and equipment shall

cover following categories of equipment:

1. Distribution Transformers

2. Switchboards and Panelboards

3. Circuit breakers

4. Protective Devices and Relays

5. Adjustable Speed Drives

6. Electro-mechanical Machinery

7. Motors

8. Electrical Field Devices and Instruments

9. Control Systems

10. Lighting and Lighting Control Systems

11. General Wiring Devices (i.e. receptacles, switches, etc.)

12. Security and Surveillance System

13. Fire Protection System

14. Communication System

15. Emergency Power System (i.e. emergency egress lights, emergency generator,

UPS, etc.)

16. Circuit Cabling and Grounding System

C. Contractor shall completely install, thoroughly inspect, start-up, test, adjust and

integrate bridge machinery, mechanical and electrical systems. Contractor shall be

responsible for operation and control of installed systems. All activities shall be

documented on specific, procedural forms developed for that purpose. During

system checkout and functional checklist shall be filled out to verify proper installation

and operation. The CITY and/or CITY's Representative shall verify system operation

with responsible Contractor.

D. The Contractor shall complete inspection and functional checklists for all pieces of

equipment and documentation shall be submitted to the CITY for verification and

approval prior to Acceptance Performance Testing. Field Acceptance Performance

Test shall include:



1. Visual and mechanical Inspection.

2. Electrical tests.

3. System functional tests.

E. Field Acceptance Performance Testing of electrical distribution system and

equipment under scope of project shall conform to the Special Specification,

equipment manufacturer recommended testing and commissioning requirements and

to the ANSI/NETA Standard for Acceptance Testing Specifications for Electrical

Power Equipment and Systems (ANSI/NETA ATS).

F. Contractor shall notify the CITY and the Engineer provide written certification that

the electrical equipment and/or sub-systems installation is properly completed and

function in accordance with the Contract Documents, applicable codes and

standards, and manufacturer’s requirements; and that the system is ready for Field

Acceptance Performance Tests. Any outstanding items or non-conformance shall be

clearly indicated on the submittal document and an action item shall have been

initiated.

G. Installation Verification:

1. Prior to system start-up, the Contractor shall conduct final installation verification

audit. Contractor shall be responsible for completeness of work to the CITY and/or

CITY’s Representative Engineer’s satisfaction including change orders and punch

list items.

2. Installation verification shall include, but not be limited to, checking of:

a. Electrical power distribution equipment and system

b. Electro-mechanical machinery, auxiliary system and apparatus

c. Control system adjustment and system balancing

d. Control sensor types and locations

e. Identification of equipment, controls, etc.

f. Accuracy of as-built drawings versus actual installed conditions

g. Documentation of prestart-up tests performed, including manufacturer's

factory tests

3. If Work is found to be incomplete, incorrect, or nonfunctional, Contractor shall

take corrective action before system start-up work proceeds. If during system

start-up additional items are found, Contractor shall take corrective action before

system start-up is completed.

H. Electrical Test Requirements



1. Inspection and testing shall be performed on all new installations and alterations

to an existing installation in accordance with the requirements of this Section. The

International Electrical Testing Association (NETA) shall be referred and adopted

where appropriate. In the event of any test indicating failure to comply, that test

and those preceding, the results of which may have been influenced by the fault

indicated, shall be repeated after the fault has been rectified. Provide all necessary

test equipment, labor, and personnel to perform the tests, as herein specified. The

following tests shall be performed.

2. Continuity Test: Perform continuity test to insure correct cable connection (i.e.

correct phase conductor, grounded conductor, and Grounding conductor wiring)

end-to end. The continuity of all conductors, including the circuit protective

conductor of every ring final circuit, shall be verified for proper installation. The

wire and cable shall be isolated completely all from all extraneous electrical

connections at cable terminations and joints. Use substation and switchboard

feeder breakers, disconnects in combination motor starters, circuit breakers in

panel boards, and other disconnecting devices to isolate the circuits under test.

Repair and re-verify any damages to existing or new electrical equipment

resulting from improper wiring.

3. Insulation Resistance: Perform insulation-resistance test on electrical switchgear,

motors, and on each field-installed power and control conductor with respect to

ground and adjacent conductors. For general facility branch circuit load

conductors (i.e. serving lights, receptacles, power outlets, exhaust fans, etc.) with

conductor sizes 10 AWG and smaller, insulation resistance testing is not required.

The insulation resistance of the installation shall be tested in accordance with the

Standard for Acceptance Testing Specification for Electrical Power Equipment

and Systems. The resistance measured shall not be less than the recommended

values set by the NETA testing standards pending on voltage class.

4. Contact Resistance: Perform a contact-resistance test on each connection point of

uninsulated busway, across each contactors, switchblade and fuse holder of motor

controllers/starters, interrupters and isolation switches.

5. Grounding System Resistance: The resistance of every ground electrode shall be

measured to ensure that the ground resistance of the ground electrode will

perform the intended design function and comply with the applicable code

requirements.

a. Perform three-point fall-of-potential test per Institute of Electrical and

Electronics Engineers (IEEE) Standard 81 on the main grounding electrode or

system. Resistance shall be no greater than 5 ohms.

b. Perform the two-point method test per IEEE Standard 81 to determine the

ground resistance between the main ground system and all major electrical



equipment frames, system neutral, and/or derived neutral points. Resistance

shall be no greater than 5 ohms.

6. Polarity Test: Polarity test shall be performed to verify proper connection of

voltage transformers, current transformers, meter, protective relay devices,

electrical instruments, and proper connection to other electrical equipment.

7. Phasing: Conduct phase-rotation tests on all three-phase circuits using a phase-

rotation indicating instrument. Perform phase rotation of electrical connections to

connected equipment clockwise, facing the source. Motor circuits shall be

checked for proper rotation and motors "bumped" to verify correct machine

rotation. Interconnection points between different source circuits shall be verified

for proper phasing connections.

8. Load Balancing: Perform load balancing of switchboards and panelboards.

Measure phase current to panelboards in normal operating condition at time of

acceptance; adjust branch circuit connections as required to obtain best balance of

current between phases and record changes.

9. Equipment Test: Testing on electrical equipment and appliances supplied within

the electrical installation contract, e.g. switchboard, motor, generator, busway,

pumps, exhaust fans, etc. shall be carried out in accordance with manufacturer’s

recommended procedures.

I. Functional Test

1. In addition to the above individual testing, the testing shall be extended to include

the functional testing of the completed and energized electrical system. Functional

test shall be conducted to produce evidence and verification of the electrical

installation which is capable in performing the designated function encapsulated

in the original electrical installation design.

2. All circuits shall be verified through switching operation to ensure that the circuits

are installed in accordance with the designated circuit. The test shall include but

not be limited to the following:

a. On/Off switching of the lighting circuit to ensure that the lighting circuit is

installed corresponding to the lighting switch, protective device and labelling.

b. Switching of the general power circuit to ensure that the circuit corresponds to

the protective device, and that the protective device performs in accordance

with the designated duty.

c. Switching of the main switch / isolator to ensure the corresponding circuit is

properly controlled by the main switch / isolator.



d. Switching of main and sub-main distribution circuits, e.g. bus ducts, cable

feeders, underground cables, etc. to ensure the correct isolation of the

connected circuit.

e. Switching of all interlock, changeover or transfer scheme operate in

accordance with the corresponding design criteria.

f. Ensuring all the protective devices of electrical circuits perform properly.

3. Contractor shall perform functional check of each equipment per manufacturer

recommendations and/or operating instructions. Provide the services of a

factory-trained manufacturer’s representative to assist the Contractor in the

installation and start-up service of the equipment as required.

4. The contractor shall obtain the service of a licensed Fire Protection Service

Contractor to perform testing of fire protection system upon the completion and

readiness of fire protection system installation. The test shall also be inspected

and/or witnessed by CITY and local official with Authority Having Jurisdiction

(i.e. local fire official. The contractor shall coordination with the required

personnel and/or organizations to inspect and witness the final tests of the fire

protection system installations and rectification of any works found not

complying with the applicable codes and standards.

5. Testing of Emergency Backup Power System: Contractor shall be responsible for

performing the following tests for the applicable emergency backup power system

(emergency lighting, exit sign, UPS and emergency generator) included in the

scope of the electrical installation contract:

a. Test the functionality of the emergency lighting system and verify that the

lighting levels during emergency condition meet the design requirements and

applicable code requirements for safe egress and/or evacuation of personnel.

b. Perform functionality test of the emergency power system (i.e. emergency

generator, UPS, etc.) in accordance to the design requirements,

manufacturer’s instructions and recommendations. Ensure that the detection

of loss or normal power source, load transfer, switching scheme and sequence

function properly and meet the design criteria.

c. Submit Test Reports in accordance with submittal requirement of the

specification.

6. Contractor shall provide preliminary field Acceptance Performance Test Report

for the CITY and/or CITY’s Engineer for review within 30 days after completion

of tests. Acceptance Performance Test Report shall be organized by logical

system (i.e. power distribution system, control system, lighting, fire alarm,

emergency generator, etc.) The test report shall include the following:



a. Summary of project

b. Date of inspections and tests performance

c. Environmental conditions: humidity, temperature, and other conditions that

may affect the results of the tests/calibrations.

d. Identification of the testing organization

e. Identification of the testing technician

f. Test equipment used to perform the tests with date of test equipment

calibrations

g. Identification and description of equipment inspected and tested

h. Description of tests

i. Test data

j. Analysis of test results

J. Bridge Operation Testing

1. The Contractor shall have completed the following tests prior to Bridge

Operation Testing:

a. Passed the inspection, mechanical and electrical tests and functional tests of

all system components, equipment and sub-systems.

b. Passed the Final Balance Test

c. Passed Simulated AASHTO Load Test

2. The Contractor and/or his specialty Sub-Contractors shall adjust, calibrate and

test all equipment, place the integrated system in service, and test the integrated

system using approved test procedures.

3. The Contractor shall demonstrate that the completed system functions properly

by performing at least 10 consecutive complete bridge operation cycles as

defined in the sequence of operation without failure or any adjustments. The

Contractor shall provide describing results of the Contractor's field tests,

diagnostics, and calibrations including written certification to the Department

that the installed complete system has been constructed in accordance with the

contract requirements, calibrated, tested, and is ready for operation.

K. Endurance Test

1. The endurance test shall not be started until the Departmental Representative

notifies the Contractor, in writing, that Bridge Operation Testing have been



completed and written certification have been received by the Department.

2. The endurance test shall cover 90 days period form the start date. During this

period the contractor shall be responsible for responding to the bridge operation

issue and corrective measures to resolve bridge operation issues that may occur

during the Endurance Test Period. The Contractor shall response within 24

hours period of the Contractors notification of the bridge operation issue. The

Contractor is responsible for all the cost for corrective measures to resolve

bridge operation issues resulting from defective or failed system components

and/or improper installations.

3.05 TRAINING

A. The Contractor shall provide training sessions, manuals, and training aids to operating

staff to provide the knowledge to operate and maintain the Movable Bridge electrical

systems. The training shall include electrical safety and arc flash hazard training.

B. The Contractor shall submit complete training plans and manuals for all equipment

provided under this contract. The training plans shall include a proposed schedule,

resumes of personnel proposed to be instructors for each class, statement of purpose,

and list of the required equipment, tools, and test equipment to be utilized as part of

the training session. The training manuals shall illustrate information and procedures

used, and shall also be prepared specifically for use as training aids.

C. The Contractor shall schedule the training sessions through the CITY at a time

convenient to the CITY. The Contractor shall notify the CITY of the proposed

training sessions at least 30 days before the dates the training will be held. The

Contractor shall provide on-site, hands-on training sessions as required to demonstrate

actual maintenance procedures on the equipment. Training sessions shall enable a

qualified service technician to troubleshoot and sustain the equipment and systems.

D. The Contractor shall provide all special tools, equipment, training aids, and other

materials required for the training. The number of special tools and other training

equipment shall be adequate for the number of participants attending the training

sessions.

E. As a condition to Substantial Completion, the Contractor shall train the designated

operating and maintenance (O&M) personnel in the operation, start-up and shut-

down, adjustment, troubleshooting, servicing, and preventive maintenance of

applicable equipment and systems installed under the Contract. The Contractor shall

provide the services of manufacturers' representatives for instruction and training

when special equipment and systems require the knowledge and expertise of the

various manufacturers for the proper operation and servicing of such equipment and

systems.

F. The Contractor shall provide training for up to 10 personnel. The training shall be a

minimum of two 8-hrs sessions; one session shall be dedicated for the bridge

operators which will be trained on-site.



G. Training Manual and Student Training Material:

1. The Contractor shall furnish six bound copies of the Training Manual to the

CITY for approval 30 days prior to training. The Training Manual shall consist

of material required for the instruction and training of designated operating

personnel including but not limited to electricians, maintenance workers,

mechanics, engineers.

2. It shall also be the contractor team's responsibility to coordinate with the CITY

the location where training sessions will be held. Contractor shall give a 30

notice of scheduling the training sessions.

3. Training and instruction shall be given on the following subjects: overview of

the electrical and control system, bridge operating sequence, operator control

interface, safety interlocks, system alarms associated responses,

troubleshooting, routine maintenance and adjustments of electrical equipment,

field instruments, limit switches and other items that may require routine

maintenance and/or adjustment.

4. The Contractor shall furnish the required training material to all students. The

material shall consist of visual aid equipment such as book, booklets, and other

miscellaneous items required for training.



METHOD OF MEASUREMENT

The work for this item will be measured on a lump sum basis.

BASIS OF PAYMENT

The lump sum price bid per bridge shall include the cost of all labor, materials, and equipment

required to complete the work of this item.

Progress Payments for each bridge will be authorized as a percentage of the lump sum price

based upon the following schedule:

Ten percent (10%) of the lump sum price will be paid upon completion of removal of

existing equipment.

Fifty percent (50%) of the lump sum price will be paid upon completion of electrical

equipment installation and circuit wiring interconnections.

Twenty percent (20%) of the lump sum price will be paid upon completion of electrical

testing and commissioning.

Ten percent (10%) of the lump sum price will be paid upon completion of personnel

training.

The remainder ten percent (10%) of the lump sum price will be paid once the final

testing, punchlist items and approval has been completed.

Payments will be paid under:

1. Item 599.060301ER – MOVABLE BRIDGE ELECTRICAL WORK

2. Item 599.060302ER – VEHICLE TRAFFIC CONTROL SYSTEM

3. Item 599.060303ER – MARINE TRAFFIC CONTROL SYSTEM

4. Item 599.060304ER – ROADWAY LIGHTING SYSTEM ON MOVABLE SPAN

COMMON WORK RESULTS FOR ELECTRICAL

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