071613- Waterproofing (Cementitious+HDPE)

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Page 1: 071613- Waterproofing (Cementitious+HDPE)

Saudia Aerospace Engineering Industries Aircraft Maintenance Hangars

S09063-01D-PD-SPC-AR-01 Date: 2012-07-24 071613 -Page 1 of 4

SECTION 071613 - POLYMER MODIFIED CEMENT WATERPROOFING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section includes polymer-modified cement waterproofing for positive-side application to concrete foundations.

B. Related Sections:

1. DIVISION 03 Section "Cast-In-Place Concrete." 2. DIVISION 07 Section "Self-Adhering Sheet Waterproofing" for adhesive coated

HDPE sheet waterproofing and modified bituminous sheet waterproofing.

1.3 ACTION SUBMITTALS

A. Product Data: For each type of product indicated. Include[ construction details,] material descriptions and installation instructions for polymer-modified cement waterproofing.

1.4 INFORMATIONAL SUBMITTALS

A. Qualification Data: For Applicator.

B. Product Certificates: For waterproofing, from manufacturer.

C. Product Test Reports: Based on evaluation of comprehensive tests performed by manufacturer and witnessed by a qualified testing agency, for each type of polymer-modified cement waterproofing.

D. Field quality-control reports.

1.5 QUALITY ASSURANCE

A. Applicator Qualifications: An entity that employs applicators and supervisors trained and approved by manufacturer.

B. Mockups: Provide mockups to verify selections made under sample submittals and to demonstrate aesthetic effects and set quality standards for materials and execution.

1. Build mockup of typical surfaces 0.9 sq. m in size. 2. Approval of mockups does not constitute approval of deviations from the Contract

Documents contained in mockups unless Architect/Engineer specifically approves such deviations in writing.

3. Subject to compliance with requirements, approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion.

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1.6 FIELD CONDITIONS

A. Weather Limitations: Proceed with application only when existing and forecasted weather conditions permit polymer-modified cement waterproofing to be performed according to manufacturer's written instructions.

B. Proceed with waterproofing work only after pipe sleeves, vents, curbs, inserts, drains, and other projections through the substrate to be waterproofed have been completed. Proceed only after substrate defects, including honeycombs, voids, and cracks, have been repaired to provide a sound substrate free of forming materials, including reveal inserts.

C. Ambient Conditions: Proceed with waterproofing work only if temperature is maintained at 4.4 deg C or above during work and cure period, and space is well ventilated and kept free of water.

PART 2 - PRODUCTS

2.1 PREPACKAGED, POLYMER-MODIFIED CEMENT WATERPROOFING

A. Positive-Side, Polymer-Modified Cement Waterproofing: Manufacturer's proprietary blend of dry cementitious and other ingredients for mixing with potable water or polymer admixture to produce a waterproof coating that is suitable for vertical and horizontal applications below or above grade, that will protect concrete substrates from sulfate and chloride, that resists positive-side hydrostatic pressure, and that has properties meeting or exceeding the criteria specified below.

1. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following, or an equivalent product:

a. BASF Building Systems; Masterseal 550. b. Vandex International; VANDEX BB 75 EZ.

2. Capillary Water Absorption: Maximum w<0.1kg/m2●h0,5 when tested according to EN 1504-2.

3. Water Vapor Permeability: Class I s0<5m when tested according to EN 1504-2. 4. Crack Bridging: A3 at 20 deg. C when tested according to EN 1504-2. 5. Adhesion Strength: Minimum 0.8 MPa when tested according to EN 1504-2. 6. Color: Gray.

2.2 ACCESSORY MATERIALS

A. Patching Compound: Factory-premixed cementitious repair mortar, crack filler, or sealant recommended by waterproofing manufacturer for filling and patching tie holes, honeycombs, reveals, and other imperfections; compatible with substrate and other materials indicated; and VOC content complying with limits of authorities having jurisdiction.

B. Polymer Admixture for Protective Topping: Polymer bonding agent and admixture designed to improve adhesion to prepared substrates and to not create a vapor barrier.

C. Water: Potable.

2.3 MIXES

A. Field-Mixed, Polymer-Modified Cement Waterproofing: Add polymer admixture to portland cement and sand according to manufacturer's written instructions. Blend together with mechanical mixer or by hand to required consistency.

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PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrates, areas, and conditions, with Applicator present, for suitable conditions where waterproofing is to be applied.

B. Proceed with application only after unsatisfactory conditions have been corrected.

C. Notify Architect/Engineer in writing of active leaks or defects that would affect system performance.

3.2 PREPARATION

A. Protect other work from damage caused by cleaning, preparation, and application of waterproofing. Provide temporary enclosure to confine spraying operation and to ensure adequate ambient temperatures and ventilation conditions for application.

B. Do not allow waterproofing materials to enter reveals or annular spaces intended for resilient sealants or gaskets, such as joint spaces between pipes and pipe sleeves.

C. Repair damaged or unsatisfactory substrate with patching compound according to manufacturer's written instructions.

1. At holes and cracks in substrate, remove loosened chips and cut reveal with sides perpendicular to surface, not tapered, and approximately 25.4 mm deep. Fill reveal with patching compound flush with surface.

D. Surface Preparation: Comply with waterproofing manufacturer's written instructions to remove efflorescence, chalk, dust, dirt, mortar spatter, grease, oils, paint, curing compounds, and form-release agents to ensure that waterproofing bonds to surfaces.

1. Clean concrete surfaces according to ASTM D 4258.

a. Scratch- and Float-Finished Concrete: Etch with 10 percent muriatic (hydrochloric) acid solution according to ASTM D 4260.

b. Prepare smooth-formed and trowel-finished concrete by mechanical abrading or abrasive-blast cleaning according to ASTM D 4259.

2. Concrete Joints: Clean reveals according to waterproofing manufacturer's written instructions.

3.3 APPLICATION

A. General: Comply with waterproofing manufacturer's written instructions for application and curing.

1. Saturate surface with water with water and maintain damp condition until applying waterproofing. Remove standing water.

2. Apply waterproofing to surfaces indicated on Drawings. 3. Number of Coats: Two.

a. Overall Application Rate: 3.5 kg/sq. m. in two coats. b. Apply first coat as a slurry with brush or roller, and apply subsequent coats with

brush, roller, spray, or trowel. c. Vigorously work first coat onto the substrate, forcing the material into surface

voids. Apply each subsequent coat into full contact with previous coat.

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d. Allow manufacturer's recommended time between coats. Dampen surface between coats.

B. Curing: Air-cure waterproofing for not less than seven days immediately after application and prior to being placed in service.

3.4 FIELD QUALITY CONTROL

A. Inspection: Owner will engage a site representative qualified by waterproofing coating manufacturer to inspect completed application and provide a written report that application complies with manufacturer's written instructions.

END OF SECTION 071613

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S09063-01D-PD-SPC-AR-01 Date: 2012-07-24 071326 -Page 1 of 8

SECTION 071326 - SELF-ADHERING SHEET WATERPROOFING

PART 1 – GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and DIVISION 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Adhesive-coated HDPE sheet waterproofing.2. Modified bituminous sheet waterproofing.

B. Related Requirements:

1. DIVISION 03 Section "Cast-In-Place Concrete."2. DIVISION 07 Section "Polymer Modified Cement Waterproofing" for cementious

waterproofing foundation concrete protection.

1.3 REFERENCES

A. American Concrete Institute:

1. ACI 301-2005 - Specification for Structural Concrete.

B. ASTM International:

1. ASTM C67-08 - Test Methods for Sampling and Testing Brick and Structural Clay Tile.

2. ASTM C140-08a - Test Methods for Sampling and Testing Concrete and Masonry Units and Related Units.

3. ASTM C272-01 (Reapproved 2007) - Test Method for Water Absorption of Core Materials for Structural Sandwich Constructions.

4. ASTM C578-08b - Specification for Rigid, Cellular Polystyrene Thermal Insulation.5. ASTM C836-06 - Specification for High Solids Content, Cold Liquid-Applied

Elastomeric Waterproofing Membrane for Use with Separate Wearing Course.6. ASTM D146-04 - Test Methods for Sampling and Testing Bitumen-Saturated Felts

and Woven Fabrics for Roofing and Waterproofing.7. ASTM D412-06a - Test Methods for Vulcanized Rubber and Thermoplastic

Elastomers - Tension.8. ASTM D570-98 (Reapproved 2005) - Test Method for Water Absorption of Plastics.9. ASTM D882-09 - Test Methods for Tensile Properties of Thin Plastic Sheeting.10. ASTM D903-98 (Reapproved 2004) - Test Method for Peel or Stripping Strength of

Adhesive Bonds.11. ASTM D1621-04a - Test Method for Compressive Properties of Rigid Cellular

Plastics.12. ASTM D1876-08 - Test Method for Peel Resistance of Adhesives (T-Peel Test).13. ASTM D1970-08 - Specification for Self-Adhering Polymer Modified Bituminous Sheet

Materials Used as Steep Roofing Underlayment for Ice Dam Protection.14. ASTM D4258-05 - Practice for Surface Cleaning Concrete for Coating.15. ASTM D4263-83 (Reapproved 2005) - Test Method for Indicating Moisture in

Concrete by the Plastic Sheet Method.

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16. ASTM D5385-93 (Reapproved 2006) - Test Method for Hydrostatic Pressure Resistance of Waterproofing Membranes.

17. ASTM D5957-98 (Reapproved 2005) - Guide for Flood Testing Horizontal Waterproofing Installations.

18. ASTM D6135-05 - Practice for Application of Self-Adhering Modified Bituminous Waterproofing.

19. ASTM D6506-01 (Reapproved 2009) - Specification for Asphalt Based Protection Board for Below-Grade Waterproofing.

20. ASTM E96/E96M-05 - Test Methods for Water Vapor Transmission of Materials.21. ASTM E154-08a - Test Methods for Water Vapor Retarders Used in Contact with

Earth under Concrete Slabs, on Walls, or as Ground Cover.

1.4 PREINSTALLATION MEETINGS

A. Pre-installation Conference: Conduct conference at Project site.

1. Review waterproofing requirements including surface preparation, substrate condition and pretreatment, minimum curing period, forecasted weather conditions, special details and sheet flashings, installation procedures, testing and inspection procedures, and protection and repairs.

1.5 ACTION SUBMITTALS

A. Product Data: For each type of product.

1. Include construction details, material descriptions, and tested physical and performance properties of waterproofing.

2. Include manufacturer's written instructions for evaluating, preparing, and treating substrate.

B. Shop Drawings: Show locations and extent of waterproofing and details of substrate joints and cracks, sheet flashings, penetrations, inside and outside corners, tie-ins with adjoining waterproofing, and other termination conditions.

1. Include setting drawings showing layout, sizes, sections, profiles, and joint details of pedestal-supported concrete pavers.

C. Samples: For each exposed product and for each color and texture specified, including the following products:

1. 200-by-200-mm square of waterproofing and flashing sheet.2. 200-by-200-mm square of insulation.3. 100-by-100-mm square of drainage panel.

1.6 INFORMATIONAL SUBMITTALS

A. Qualification Data: For Installer.

B. Field quality-control reports.

C. Sample Warranties: For special warranties.

1.7 QUALITY ASSURANCE

A. Installer Qualifications: An entity that employs installers and supervisors who are trained and approved by waterproofing manufacturer.

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B. Mockups: Build mockups to verify selections made under Sample submittals and to set quality standards for installation.

1. Build for each typical waterproofing installation including accessories to demonstrate surface preparation, crack and joint treatment, corner treatment, and protection.

a. Size: As shown on Drawings.b. Description: Each type of installation.

2. Approval of mockups does not constitute approval of deviations from the Contract Documents contained in mockups unless Architect specifically approves such deviations in writing.

3. Subject to compliance with requirements, approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion.

1.8 FIELD CONDITIONS

A. Environmental Limitations: Apply waterproofing within the range of ambient and substrate temperatures recommended by waterproofing manufacturer. Do not apply waterproofing to a damp or wet substrate.

1. Do not apply waterproofing in snow, rain, fog, or mist.

B. Maintain adequate ventilation during preparation and application of waterproofing materials.

1.9 WARRANTY

A. Manufacturer's Warranty: Manufacturer's standard materials-only warranty in which manufacturer agrees to furnish replacement waterproofing material for waterproofing that does not comply with requirements or that fails to remain watertight within specified warranty period.

1. Warranty Period: Five years from date of Substantial Completion.

B. Installer's Special Warranty: Specified form, signed by Installer, covering Work of this Section, for warranty period of two years.

1. Warranty includes removing and reinstalling protection board, drainage panels, insulation, pedestals, and pavers on plaza decks.

PART 2 - PRODUCTS

2.1 MATERIALS, GENERAL

A. Source Limitations for Waterproofing System: Obtain waterproofing materials, protection course, and molded-sheet drainage panels from single source from single manufacturer.

B. Source Limitations for Plaza-Deck Paving: Obtain plaza-deck pavers [and paver pedestals] from single source from single manufacturer.

2.2 ADHESIVE-COATED HDPE SHEET WATERPROOFING

A. Materials in this article are designed for use in pre-applied or blind-side waterproofing applications for installation against vertical, prepared sheeting and shoring, and/or over horizontal mud-slab, compacted fill, or under slab drainage systems.

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B. Adhesive-Coated HDPE Sheet for Horizontal and Vertical Applications: 1.2-mm-thick, uniform, flexible sheets consisting of 0.76-mm thick, HDPE sheet coated with a pressure sensitive rubber adhesive, a protective adhesive coating, a detackifying surface treatment, an uncoated self-adhering side lap strip, and release liner:

1. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following, or an equivalent product:

a. Pre-Prute 300R.b. Fosroc; Proofex Engage. c. Sika; Sikaplan WT 1200.

2.3 MODIFIED BITUMINOUS SHEET WATERPROOFING

A. Modified Bituminous Sheet: Minimum 1.5-mm nominal thickness, self-adhering sheet consisting of 1.4 mm of rubberized asphalt laminated on one side to a 0.10-mm- thick, polyethylene-film reinforcement, and with release liner on adhesive side; formulated for application with primer or surface conditioner that complies with VOC limits of authorities having jurisdiction.

1. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following, or an equivalent product:

a. Grace, W. R., & Co. - Conn.; Bituthene 8000 HC. b. Fosroc; Proofex 3000 MR.c. Sika; Sikaplan WT 1200.

2.4 AUXILIARY MATERIALS

A. General: Furnish auxiliary materials recommended by waterproofing manufacturer for intended use and compatible with sheet waterproofing.

1. Furnish liquid-type auxiliary materials that comply with VOC limits of authorities having jurisdiction.

B. Primer: Liquid waterborne primer recommended for substrate by sheet-waterproofing material manufacturer.

C. Surface Conditioner: Liquid, waterborne surface conditioner recommended for substrate by sheet-waterproofing material manufacturer.

D. Liquid Membrane: Elastomeric, two-component liquid, cold fluid applied, of trowel grade or low viscosity.

E. Substrate Patching Membrane: Low-viscosity, two-component, modified asphalt coating.

F. Sheet Strips: Self-adhering, rubberized-asphalt sheet strips of same material and thickness as sheet waterproofing.

G. Mastic, Adhesives, and Tape: Liquid mastic and adhesives, and adhesive tapes recommended by waterproofing manufacturer.

1. Detail Tape: Two-sided, pressure-sensitive, self-adhering reinforced tape, 100 mm wide, with a tack-free protective adhesive coating on one side and release film on self-adhering side.

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2. Joint Tape: Two-sided, pressure-sensitive, self-adhering reinforced tape, 200 mm wide, with a tack-free protective adhesive coating on one side and release film on self-adhering side.

3. Tieback Covers: Prefabricated ABS plastic covers with waterproof flexible membrane covering as recommended by waterproofing manufacturer for sealing tie back anchors in soil retention systems.

H. Metal Termination Bars: Aluminum bars, approximately 25 by 3 mm thick, predrilled at 229-mm centers.

I. Waterproofing and Sheet Flashing Accessories: Provide sealants, pourable sealers, cone and vent flashings, inside and outside corner flashings, termination reglets, discs, and other accessories recommended by waterproofing manufacturer for intended use.

J. Metal Termination Bars: Manufacturer's standard stainless-steel or aluminum bars, approximately 25 mm wide, pre-punched, with zinc-alloy fasteners or nylon anchors and stainless-steel pins.

K. Horizontal Protection Course: Semi-rigid sheets of fiberglass; mineral-reinforced asphaltic core, pressure laminated between two asphalt-saturated fibrous liners; rigid polystyrene insulation; or a comparable protection course compatible with the waterproofing membraneand approved by the waterproofing membrane manufacturer; and as follows:

1. Thickness:

a. 6 mm, nominal.

L. Vertical Protection Course: Molded-polystyrene insulation board 25-mm-thick minimum complying with ASTM C578, Type I, 15-kg/cu. m minimum density.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements and other conditions affecting performance of the waterproofing.

1. Verify that concrete has cured and aged for minimum time period recommended in writing by waterproofing manufacturer.

2. Verify that substrate is visibly dry and within the moisture limits recommended in writing by manufacturer. Test for capillary moisture by plastic sheet method accordingto ASTM D4263.

3. Verify that compacted subgrade is dry, smooth, sound, and ready to receive waterproofing sheet.

4. Verify that vertical soil retention systems are prepared using shotcrete, gunite, or cast- in-place concrete to achieve a uniform, sound and continuous substrate ready to receive the adhesive coated HDPE sheet.

B. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 SURFACE PREPARATION

A. Clean, prepare, and treat substrates according to manufacturer's written instructions. Provide clean, dust-free, and dry substrates for waterproofing application.

B. Mask off adjoining surfaces not receiving waterproofing to prevent spillage and overspray affecting other construction.

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C. Remove grease, oil, bitumen, form-release agents, paints, curing compounds, and other penetrating contaminants or film-forming coatings from concrete.

D. Remove fins, ridges, mortar, and other projections and fill honeycomb, aggregate pockets, holes, and other voids.

E. Prepare, fill, prime, and treat joints and cracks in substrates. Remove dust and dirt from joints and cracks according to ASTM D4258.

1. Install sheet strips of width according to manufacturer's written instructions and center over treated construction and contraction joints and cracks exceeding a width of 1.6 mm.

F. Prepare, treat, and seal vertical and horizontal surfaces at terminations and penetrations through waterproofing and at drains and protrusions.

G. Bridge and cover isolation joints expansion joints and discontinuous deck-to-wall and deck-to-deck joints with overlapping sheet strips of widths according to manufacturer's written instructions.

1. Invert and loosely lay first sheet strip over center of joint. Firmly adhere second sheet strip to first and overlap to substrate.

H. Corners: Prepare, prime, and treat inside and outside corners according to ASTM D6135.

1. Install 305 mm membrane strips centered over vertical inside corners. Install 19-mm fillets of liquid membrane on horizontal inside corners and as follows:

a. At footing-to-wall intersections, extend liquid membrane 152 mm in each direction from corner or install 305 mm membrane strip centered over corner.

b. At plaza-deck-to-wall intersections, extend liquid membrane or sheet strips 152 mm onto deck waterproofing and to finished height of sheet flashing.

I. Prepare, treat, and seal vertical and horizontal surfaces at terminations and penetrations through waterproofing and at drains and protrusions according to ASTM D6135.

3.3 ADHESIVE-COATED HDPE SHEET WATERPROOFING APPLICATION

A. Install adhesive-coated HDPE sheets according to manufacturer's written instructions.

B. Vertical Applications: Install adhesive-coated HDPE sheet with HDPE face against substrate. Accurately align sheets and maintain uniform 75-mm-minimum lap widths and end laps. Overlap and seal seams and stagger and tape end laps and T-joints to ensure watertight installation. Roll seams and end laps firmly. Mechanically fasten to substrate 0.6 m intervals centered in the self-adhesive selvedge prior to making the side lap. If the membrane is installed in vertical lifts and will tie into subsequent sheets of membrane, install the upper sheet behind the lower to insure that laps shed water before taping and rolling the end laps.

1. Securely fasten final top termination of membrane with continuous metal termination bar anchored into substrate and cover with detailing tape.

C. Horizontal Applications: Install adhesive-coated HDPE sheet with HDPE face against substrate. Accurately align sheet and maintain uniform 75-mm-minimum lap widths and end laps. Overlap and seal seams. Overlap, stagger, and seal end laps and T-joints with detail tape to ensure watertight installation. Roll seams and end laps firmly with a heavy metal seam roller.

D. When ambient and substrate temperatures range between -4 and 13°C install detail tape designed for low-temperature application at all laps and detailing. Apply detail tape to clean

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dry surfaces. During cold or damp conditions, warm the membrane selvedge and detail tape using a hot air gun to remove moisture and improve initial adhesion.

E. Corners: Seal lapped terminations and cut edges of sheet waterproofing at inside and outside corners with detail tape.

F. Seal penetrations through sheet waterproofing to provide watertight seal with prefabricated plastic covers, or detail tape patches or wraps and a liquid-membrane troweling as recommended by membrane manufacturer.

G. Construction Joints: Apply 200 mm joint tape to the surface of the membrane and centered along the line of all horizontal and vertical concrete pour joints.

H. Install sheet waterproofing and auxiliary materials to produce a continuous watertight tie into adjacent waterproofing.

I. Repair tears, voids, and lapped seams in waterproofing not complying with requirements. Tape perimeter of damaged or nonconforming area extending 150 mm beyond repaired areas in all directions. Apply a patch of sheet waterproofing and firmly secure with detail tape.

J. Correct deficiencies in or remove waterproofing that does not comply with requirements; repair substrates, reapply waterproofing, and repair sheet flashings.

3.4 MODIFIED BITUMINOUS SHEET-WATERPROOFING APPLICATION

A. Install modified bituminous sheets according to waterproofing manufacturer's written instructions and recommendations in ASTM D6135.

B. Apply primer to substrates at required rate and allow it to dry. Limit priming to areas that will be covered by sheet waterproofing in same day. Reprime areas exposed for more than 24 hours.

C. Apply and firmly adhere sheets over area to receive waterproofing. Accurately align sheets and maintain uniform 64-mm- minimum lap widths and end laps. Overlap and seal seams, and stagger end laps to ensure watertight installation.

1. Do not use low-temperature sheet if ambient or substrate temperature is higher than 16ºC.

D. Two-Ply Application: Install sheets to form a membrane with lap widths not less than 50% of sheet widths, to provide a minimum of two thicknesses of sheet membrane over areas to receive waterproofing.

E. Horizontal Application: Apply sheets from low to high points of decks to ensure that laps shed water.

F. Apply continuous sheets over already-installed sheet strips, bridging substrate cracks, construction, and contraction joints.

G. Seal edges of sheet-waterproofing terminations with mastic.

H. Install sheet-waterproofing and auxiliary materials to tie into adjacent waterproofing.

I. Repair tears, voids, and lapped seams in waterproofing not complying with requirements. Slit and flatten fish mouths and blisters. Patch with sheet waterproofing extending 150 mm beyond repaired areas in all directions.

J. Immediately install protection course with butted joints over waterproofing membrane.

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1. Molded-sheet drainage panels may be used in place of a separate protection course to vertical applications when approved by waterproofing manufacturer and installed immediately.

3.5 FIELD QUALITY CONTROL

A. Owner will engage a site representative qualified by waterproofing membrane manufacturer to inspect substrate conditions, surface preparation, membrane application, flashings, protection, and drainage components, and to furnish daily reports to Architect.

B. Correct deficiencies in or remove waterproofing that does not comply with requirements, repair substrates, reapply waterproofing, and repair sheet flashings.

C. Additional testing, at Contractor's expense, will be performed to determine compliance of corrected Work with requirements.

3.6 PROTECTION, REPAIR, AND CLEANING

A. Protect waterproofing from damage and wear during remainder of construction period.

B. Protect installed from damage due to UV light, harmful weather exposures, physical abuse, and other causes. Provide temporary coverings where insulation is subject to abuse and cannot be concealed and protected by permanent construction immediately after installation.

C. Correct deficiencies in or remove waterproofing that does not comply with requirements; repair substrates, reapply waterproofing, and repair sheet flashings.

D. Clean spillage and soiling from adjacent construction using cleaning agents and procedures recommended by manufacturer of affected construction.

END OF SECTION 071326