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HomeMy WebLinkAbout07-1416-Cold-Fluid-Applied-Waterproofing-(Part-of-FSB-07-0001)_Rev_1Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 COLD FLUID-APPLIED WATERPROOFING 07 1416 - 1 SECTION 07 1416 COLD FLUID-APPLIED WATERPROOFING (Part of Filed Sub-Bid Section 07 0001 - Waterproofing, Dampproofing, And Caulking) 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. Work Included: Provide labor, materials and equipment necessary to complete the work of this Section, including but not limited to the following: 1. Polyurethane waterproofing. 2. Molded-sheet drainage panels. 3. Board insulation. 4. Protection course. 5. Auxiliary materials including primer, sheet flashing, membrane-reinforcing fabric, joint reinforcing strip, and joint sealant. 6. Other items indicated on Drawings as Work of this Section. B. Related Requirements: 1. Section 01 3113.23 “Air Barrier System Coordination” for administrative and procedural requirements for coordination between the trades, and for the proper scheduling and sequencing of the work to produce an airtight building enclosure. 2. Section 03 3000 "Cast-in-Place Concrete" for concrete foundation walls to receive waterproofing. 3. Section 07 1113 “Bituminous Dampproofing” for cold-applied, emulsified-asphalt dampproofing. 4. Section 07 2616.13 “Under-Slab Vapor Retarders" for vapor retarders under slabs-on- grade. 5. Section 07 2100 “Thermal Insulation” for board insulation other than board insulation installed with waterproofing. 6. Section 07 9513.16 "Exterior Expansion Joint Cover Assemblies" for exterior expansion- joint assemblies that interface with waterproofing. 7. Section 09 3013 "Ceramic Tiling" for fluid-applied waterproof membranes beneath ceramic tiles. 8. Section 31 2000 “Earth Moving” for back-filling foundation walls at waterproofing. 1.3 PREINSTALLATION MEETINGS A. Preinstallation Conference: Conduct conference at Project site. 1. Review waterproofing requirements including, but not limited to, the following: a. Surface preparation specified in other Sections. b. Minimum curing period. c. Forecasted weather conditions. d. Special details and sheet flashings. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 COLD FLUID-APPLIED WATERPROOFING 07 1416 - 2 e. Repairs. f. Field quality control. 1.4 ACTION SUBMITTALS A. Make Submittals in accordance with Section 01 3300 “Submittal Procedures.” B. 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. C. Shop Drawings: 1. Show locations and extent of waterproofing. 2. Include details for substrate joints and cracks, sheet flashings, penetrations, inside and outside corners, tie-ins with adjoining waterproofing, and other termination conditions. D. Samples: For each exposed product and for each color and texture specified, including the following products: 1. Flashing sheet, 8 by 8 inches. 2. Membrane-reinforcing fabric, 8 by 8 inches. 3. Drainage panel, 4 by 4 inches. 4. Board insulation, 8 by 8 inches. 1.5 INFORMATIONAL SUBMITTALS A. Qualification Data: For Installer. B. Sample Warranties: For special warranties. 1.6 QUALITY ASSURANCE A. Installer Qualifications: An entity that employs installers and supervisors who are trained and approved by waterproofing manufacturer. 1.7 FIELD CONDITIONS A. Environmental Limitations: Apply waterproofing within the range of ambient and substrate temperatures recommended in writing by waterproofing manufacturer. 1. Do not apply waterproofing to a damp or wet substrate, when relative humidity exceeds 85 percent, or when temperatures are less than 5 deg F above dew point. 2. Do not apply waterproofing in snow, rain, fog or mist, or when such weather conditions are imminent during application and curing period. B. Maintain adequate ventilation during application and curing of waterproofing materials. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 COLD FLUID-APPLIED WATERPROOFING 07 1416 - 3 1.8 WARRANTY A. Manufacturer's Special Warranty: Manufacturer agrees to repair or replace waterproofing that fails in materials or workmanship within specified warranty period. 1. Warranty Period: Five years from date of Substantial Completion. PART 2 - PRODUCTS 2.1 MANUFACTURERS A. Source Limitations for Waterproofing System: Obtain waterproofing materials, protection course, and molded-sheet drainage panels from single source from single manufacturer. 2.2 SINGLE-COMPONENT POLYURETHANE WATERPROOFING A. Single-Component, Modified Polyurethane Waterproofing: ASTM C 836/C 836M. 1. Basis-of-Design Product: Subject to compliance with requirements, provide TREMproof 250 GC by Tremco Incorporated, or a comparable product by one of the following or equal: a. BASF Construction Chemicals, LLC, Building Systems. b. Carlisle Coatings & Waterproofing Inc. c. Neogard; Neogard 7401. d. Polyguard Products, Inc. e. W.R. Meadows. 2.3 AUXILIARY MATERIALS A. Provide auxiliary materials recommended in writing by waterproofing manufacturer for intended use and compatible with one another and with waterproofing. 1. Furnish liquid-type auxiliary materials that comply with VOC limits of authorities having jurisdiction. B. Primer: Manufacturer's standard primer, sealer, or surface conditioner; factory-formulated. C. Sheet Flashing: 50-mil- minimum, nonstaining, uncured sheet neoprene. 1. Adhesive: Manufacturer's recommended contact adhesive. D. Membrane-Reinforcing Fabric: Manufacturer's recommended fiberglass mesh or polyester fabric, manufacturer's standard weight. E. Joint Reinforcing Strip: Manufacturer's recommended fiberglass mesh or polyester fabric. F. Joint Sealant: Multicomponent polyurethane sealant, compatible with waterproofing; ASTM C 920, Type M, Class 25 or greater; Grade NS for sloping and vertical applications and Grade P for deck applications; Use NT exposure; and as recommended by manufacturer for substrate and joint conditions. 1. Backer Rod: Closed-cell polyethylene foam. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 COLD FLUID-APPLIED WATERPROOFING 07 1416 - 4 2.4 BOARD INSULATION A. Extruded Polystyrene Board, Type IV: ASTM C 578, shiplap edged, Type IV, 25-psi minimum compressive strength; unfaced; maximum flame-spread and smoke-developed indexes of 25 and 450, respectively, per ASTM E 84. 2.5 PROTECTION COURSE A. Protection Course: ASTM D 6506, semirigid sheets of fiberglass- or mineral-reinforced- asphaltic core, pressure laminated between two asphalt-saturated fibrous liners and as follows: 1. Thickness: 1/8 inch, nominal. 2. Adhesive: Rubber-based solvent type recommended in writing by waterproofing manufacturer. 2.6 MOLDED-SHEET DRAINAGE PANELS A. Nonwoven-Geotextile-Faced, Molded-Sheet Drainage Panel with Polymeric Film: Composite subsurface drainage panel consisting of a studded, nonbiodegradable, molded-plastic-sheet drainage core; with a nonwoven, needle-punched geotextile facing with an apparent opening size not exceeding No. 70 sieve laminated to one side of the core and a polymeric film bonded to the other side; and with a vertical flow rate through the core of 9 to 21 gpm per ft. 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 Work. 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 according to ASTM D 4263. B. Proceed with installation only after unsatisfactory conditions have been corrected. 3.2 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. C. Remove grease, oil, bitumen, form-release agents, paints, curing compounds, acid residues, and other penetrating contaminants or film-forming coatings from concrete. D. Remove fins, ridges, and other projections, and fill honeycomb, aggregate pockets, holes, and other voids. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 COLD FLUID-APPLIED WATERPROOFING 07 1416 - 5 3.3 PREPARATION AT TERMINATIONS, PENETRATIONS, AND CORNERS A. Prepare surfaces at terminations and penetrations through waterproofing and at expansion joints, sleeves, and corners according to waterproofing manufacturer's written instructions and to recommendations in ASTM C 1471/C 1471M. B. Apply waterproofing in two separate applications, and embed a joint reinforcing strip in the first preparation coat when recommended by waterproofing manufacturer. 3.4 JOINT AND CRACK TREATMENT A. Prepare, treat, rout, and fill joints and cracks in substrate according to waterproofing manufacturer's written instructions and to recommendations in ASTM C 1471/C 1471M. Before coating surfaces, remove dust and dirt from joints and cracks according to ASTM D 4258. 1. Comply with ASTM C 1193 for joint-sealant installation. 2. Apply bond breaker on sealant surface, beneath preparation strip. 3. Prime substrate along each side of joint and apply a single thickness of preparation strip at least 6 inches wide along each side of joint. Apply waterproofing in two separate applications and embed a joint reinforcing strip in the first preparation coat. B. Install sheet flashing and bond to deck and wall substrates where required according to waterproofing manufacturer's written instructions. 1. Extend sheet flashings for 4 inches onto perpendicular surfaces and items penetrating substrate. 3.5 INSTALLATION OF WATERPROOFING A. Apply waterproofing according to manufacturer's written instructions and to recommendations in ASTM C 1471/C 1471M. B. Start installing waterproofing in presence of manufacturer's technical representative. C. Apply primer over prepared substrate unless otherwise instructed in writing by waterproofing manufacturer. D. Unreinforced Waterproofing Applications: Mix materials and apply waterproofing by spray, roller, notched squeegee, trowel, or other application method suitable to slope of substrate. 1. Apply one or more coats of waterproofing to obtain a seamless membrane free of entrapped gases and pinholes, with a dry film thickness of 120 mils. 2. Apply waterproofing to prepared wall terminations and vertical surfaces. 3. Verify manufacturer's recommended wet film thickness of waterproofing every 100 sq. ft. E. Cure waterproofing, taking care to prevent contamination and damage during application and curing. F. Install board insulation over cured waterproofing where indicated. Cut and fit to within 3/4 inch of projections and penetrations. 1. On vertical surfaces, set insulation in adhesive or tape applied according to manufacturer's written instructions. 2. On horizontal surfaces, loosely lay insulation according to manufacturer's written instructions. Stagger end joints and tightly abut insulation units. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 COLD FLUID-APPLIED WATERPROOFING 07 1416 - 6 G. Install protection course with butted joints over waterproofing before starting subsequent construction operations. 1. For horizontal applications, install protection course loose laid over fully cured membrane. 2. For vertical applications, set protection course in nominally cured membrane, which will act as an adhesive. If membrane cures before application of protection course, use adhesive. 3. Board insulation may be used in place of a separate protection course for vertical applications when approved in writing by waterproofing manufacturer. 3.6 INSTALLATION OF MOLDED-SHEET DRAINAGE PANELS A. Place and secure molded-sheet drainage panels, with geotextile facing away from wall substrate, according to manufacturer's written instructions. Use adhesive or another method that does not penetrate waterproofing. Lap edges and ends of geotextile to maintain continuity. Protect installed molded-sheet drainage panels during subsequent construction. 1. For vertical applications, install board insulation or protection course before installing drainage panels. 3.7 FIELD QUALITY CONTROL A. Testing Agency: Owner will engage a qualified testing agency to perform tests and inspections: 1. Testing agency shall verify thickness of waterproofing during application for each 600 sq. ft. of installed waterproofing or part thereof. B. Manufacturer's Field Service: Engage a full-time 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. C. Waterproofing will be considered defective if it does not pass tests and inspections. D. Prepare test and inspection reports. 3.8 PROTECTION A. Protect waterproofing from damage and wear during remainder of construction period. B. Protect installed insulation drainage panels 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. END OF SECTION