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HomeMy WebLinkAboutDivision 07 - Thermal &amp; Moisture.pdfTHE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado HOT FLUID-APPLIED RUBBERIZED ASPHALT WATERPROOFING 071413 - 1 SECTION 071413 - HOT FLUID-APPLIED RUBBERIZED ASPHALT WATERPROOFING PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: 1. Rubberized-asphalt waterproofing membrane, reinforced. 2. Molded-sheet drainage panels. 3. Insulation. 4. Plaza-deck pavers supported on pedestals. 1.2 PREINSTALLATION MEETINGS A. Preinstallation Conference: Conduct conference at Project site. A Preinstallation Conference is required for this system. 1.3 ACTION SUBMITTALS A. Product Data: For each type of product. B. Shop Drawings: Show details for substrate joints and cracks, sheet flashings, penetrations, inside and outside corners, tie-ins to adjoining waterproofing, and other termination conditions. C. Samples: For plaza-deck pavers, full sized in each color and texture required. 1.4 INFORMATIONAL SUBMITTALS A. Sample Warranties: For special warranties. 1.5 QUALITY ASSURANCE A. Installer Qualifications: An authorized representative who is trained and approved by manufacturer. 1.6 WARRANTY A. Special Warranty: Manufacturer agrees to repair or replace waterproofing and sheet flashings that do not comply with requirements or that fail to remain watertight within specified warranty period. 1. Warranty Period: 10 years from date of Substantial Completion. THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado HOT FLUID-APPLIED RUBBERIZED ASPHALT WATERPROOFING 071413 - 2 PART 2 - PRODUCTS 2.1 WATERPROOFING MEMBRANE A. Hot Fluid-Applied, Rubberized-Asphalt Waterproofing Membrane: Single component; 100 percent solids; hot fluid-applied, rubberized asphalt. 1. Basis of Design for System: “Ultimate Assembly” System by American Hydrotech, Inc., 303 E. Ohio Street, Suite 2120, Chicago IL 60611–3387 (800-877–6125). 2.2 AUXILIARY MATERIALS A. Primer: ASTM D 41/D 41M, asphaltic primer. B. Elastomeric Sheet: 50-mil- (1.3-mm-) minimum, uncured sheet neoprene with manufacturer's recommended contact adhesives as follows: 1. Tensile Strength: 1400 psi (9.6 MPa) minimum; ASTM D 412, Die C. 2. Elongation: 300 percent minimum; ASTM D 412. 3. Tear Resistance: 125 psi (860 kPa) minimum; ASTM D 624, Die C. 4. Brittleness: Does not break at minus 30 deg F (34 deg C); ASTM D 2137. C. Metal Termination Bars: Manufacturer's standard, predrilled stainless-steel or aluminum termination bars; approximately 1 by 1/8 inch (25 by 3 mm) thick; with stainless-steel anchors. D. Sealants and Accessories: Manufacturer's recommended sealants and accessories. E. Reinforcing Fabric: Manufacturer's recommended, spun-bonded polyester fabric. F. 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: 1/4 inch (6 mm), nominal. G. Protection Course: Manufacturer's standard, 80- to 90-mil- (2.0- to 2.3-mm-) thick, fiberglass- reinforced rubberized asphalt or modified bituminous sheet. 2.3 MOLDED-SHEET DRAINAGE PANELS A. Nonwoven-Geotextile-Faced, Molded-Sheet Drainage Panel: Manufactured composite subsurface drainage panels consisting of a nonwoven, needle-punched geotextile facing with an apparent opening size not exceeding No. 70 (0.21-mm) sieve, laminated to one side with or without a polymeric film bonded to the other side of a studded, nonbiodegradable, molded- plastic-sheet drainage core, with a vertical flow rate of 9 to 15 gpm/ft. (112 to 188 L/min. per m). B. Woven-Geotextile-Faced, Molded-Sheet Drainage Panel: Manufactured composite subsurface drainage panels consisting of a woven-geotextile facing with an apparent opening size not exceeding No. 40 (0.43-mm) sieve, laminated to one side with or without a polymeric film THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado HOT FLUID-APPLIED RUBBERIZED ASPHALT WATERPROOFING 071413 - 3 bonded to the other side of a studded, nonbiodegradable, molded-plastic-sheet drainage core, with a horizontal flow rate not less than 2.8 gpm/ft. (35 L/min. per m). 2.4 INSULATION A. Board Insulation: Extruded-polystyrene board insulation complying with ASTM C 578, Type V, 100-psi (690-kPa) minimum compressive resistance, square or shiplap edged. 1. Basis of Design for System: “Ultimate Assembly” System by American Hydrotech, Inc., 303 E. Ohio Street, Suite 2120, Chicago IL 60611–3387 (800-877–6125). 2. Dow Chemical Company (The), 1605 Joseph Drive, 200 Larkin Center, Midland MI 48674 ( 866-583-2583). 2.5 PLAZA-DECK PAVERS A. Plaza-Deck Pavers: Heavyweight, hydraulically pressed, concrete units, with top edges beveled 3/16 inch (5 mm), manufactured for use as plaza-deck pavers; minimum compressive strength 6500 psi (45 MPa), ASTM C 140; absorption not greater than 5 percent, ASTM C 140; no breakage and maximum 1 percent mass loss when tested for freeze-thaw resistance according to ASTM C 67. 1. Basis of Design for System: “Ultimate Assembly” System by American Hydrotech, Inc., 303 E. Ohio Street, Suite 2120, Chicago IL 60611–3387 (800-877–6125). 2. Thickness: 2 inches (51 mm). 3. Face Size: 18 inches (457 mm) square. 4. Color: As selected by Architect from manufacturer's full range. B. Paver Supports: Paver manufacturer's standard SBR rubber, high-density polyethylene, or polyurethane paver support assembly, including fixed-height pedestals, shims, and spacer tabs for joint spacing of 1/8 inch (3 mm). PART 3 - EXECUTION 3.1 PREPARATION A. Clean and prepare substrates according to manufacturer's written instructions. Provide clean, dust-free, and dry substrate for waterproofing application. B. Close off deck drains and other deck penetrations to prevent spillage and migration of waterproofing fluids. 3.2 JOINTS, CRACKS, AND TERMINATIONS A. Prepare and treat substrates to receive waterproofing membrane, including joints and cracks, deck drains, corners, and penetrations according to manufacturer's written instructions. THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado HOT FLUID-APPLIED RUBBERIZED ASPHALT WATERPROOFING 071413 - 4 1. Adhere strip of elastomeric sheet to substrate in a layer of hot rubberized asphalt. Extend elastomeric sheet a minimum of 6 inches (150 mm) on each side of moving joints and cracks or joints and cracks exceeding 1/8 inch (3 mm) thick, and beyond deck drains and penetrations. Apply second layer of hot fluid-applied, rubberized asphalt over elastomeric sheet. 2. Embed strip of reinforcing fabric into a layer of hot rubberized asphalt. Extend reinforcing fabric a minimum of 6 inches (150 mm) on each side of nonmoving joints and cracks not exceeding 1/8 inch (3 mm) thick, and beyond roof drains and penetrations. a. Apply second layer of hot fluid-applied, rubberized asphalt over reinforcing fabric. B. At expansion joints and discontinuous deck-to-wall or deck-to-deck joints, bridge joints with elastomeric sheet extended a minimum of 6 inches (150 mm) on each side of joints and adhere to substrates in a layer of hot rubberized asphalt. Apply second layer of hot fluid-applied, rubberized asphalt over elastomeric sheet. 3.3 FLASHING INSTALLATION A. Install elastomeric sheets at terminations of waterproofing membrane according to manufacturer's written instructions. 3.4 MEMBRANE APPLICATION A. Apply primer, at manufacturer's recommended rate, over prepared substrate and allow it to dry. B. Heat and apply rubberized asphalt according to manufacturer's written instructions. C. Reinforced Membrane: Apply hot rubberized asphalt to substrates and adjoining surfaces indicated. Spread to a thickness of 90 mils (2.3 mm); embed reinforcing fabric, overlapping sheets 2 inches (50 mm); spread another 125-mil- (3.2-mm-) thick layer to provide a uniform, reinforced, seamless membrane 215 mils (5.5 mm) thick. D. Apply waterproofing over prepared joints and up wall terminations and vertical surfaces to heights indicated or required by manufacturer. E. Cover waterproofing with protection course with overlapped joints before membrane is subject to backfilling. 3.5 MOLDED-SHEET DRAINAGE PANEL INSTALLATION A. Place and secure molded-sheet drainage panels, with geotextile facing away from wall or deck substrate according to manufacturer's written instructions. Use methods that do not penetrate waterproofing. Lap edges and ends of geotextile to maintain continuity. Protect installed molded-sheet drainage panels during subsequent construction. THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado HOT FLUID-APPLIED RUBBERIZED ASPHALT WATERPROOFING 071413 - 5 3.6 INSULATION INSTALLATION A. On horizontal surfaces, loosely lay insulation units according to manufacturer's written instructions. Stagger end joints and tightly abut insulation units. 3.7 PLAZA-DECK PAVER INSTALLATION A. Install concrete pavers according to manufacturer's written instructions. B. Accurately install fixed-height paver pedestals and accessories to elevations required. Adjust for final level and slope with shims. C. Loosely lay pavers on pedestals, maintaining a uniform open joint width. Tightly seat pavers against spacers to eliminate lateral movement or drift of paving assembly. Align joint patterns parallel in each direction. D. Install pavers to not vary more than 1/16 inch (1.6 mm) in elevation between adjacent pavers or more than 1/16 inch (1.6 mm) from surface plane elevation of individual paver. E. Limit variation in paving installation to within 1/4 inch in 10 feet (6 mm in 3 m) of surface plane in any direction; noncumulative. 3.8 CLEANING AND PROTECTION A. Protect waterproofing from damage and wear during remainder of construction period. B. Clean spillage and soiling from adjacent construction using cleaning agents and procedures recommended by manufacturer of affected construction. END OF SECTION 071413 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado COLD FLUID-APPLIED WATERPROOFING 071416 - 1 SECTION 071416 - COLD FLUID-APPLIED WATERPROOFING PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: 1. Polyurethane waterproofing. 2. Polyester waterproofing. 3. Latex-rubber waterproofing. 1.2 PREINSTALLATION MEETINGS A. Preinstallation Conference: Conduct conference at Project site. 1.3 ACTION SUBMITTALS A. Product Data: For each type of product. B. 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. 1.4 INFORMATIONAL SUBMITTALS A. Sample warranty. 1.5 QUALITY ASSURANCE A. Installer Qualifications: An entity that employs installers and supervisors who are trained and approved by waterproofing manufacturer. 1.6 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: 10 years from date of Substantial Completion. THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado COLD FLUID-APPLIED WATERPROOFING 071416 - 2 PART 2 - PRODUCTS 2.1 LATEX-RUBBER WATERPROOFING A. Two-Component, Reinforced, Latex-Rubber Waterproofing: ASTM C 836/C 836M; coal-tar free. 1. Grace Construction Products; W.R. Grace & Co. -- Conn., 62 Whittemore Avenue, Cambridge MA 02140-1623 (800-354-5410). 2. Hydrostatic-Head Resistance: 197 feet (60 m) minimum; ASTM D 5385. 2.2 AUXILIARY MATERIALS A. Primer: Manufacturer's standard primer, sealer, or surface conditioner; factory-formulated acrylic latex, polyurethane, or epoxy. B. Sheet Flashing: 50-mil- (1.3-mm-) minimum, nonstaining, uncured sheet neoprene. 1. Adhesive: Manufacturer's recommended contact adhesive. C. Membrane-Reinforcing Fabric: Manufacturer's recommended fiberglass mesh or polyester fabric. D. Joint Reinforcing Strip: Manufacturer's recommended fiberglass mesh or polyester fabric. E. Joint Sealant: Multicomponent polyurethane sealant, compatible with waterproofing; and as recommended by manufacturer for substrate and joint conditions. 1. Backer Rod: Closed-cell polyethylene foam. 2.3 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. <Double click here to find, evaluate, and insert list of manufacturers and products.> 2. Thickness: 1/8 inch (3 mm), nominal. 3. Adhesive: Rubber-based solvent type recommended in writing by waterproofing manufacturer. B. Protection Course: Fan folded, with a core of extruded-polystyrene board insulation faced on one side with plastic film, nominal thickness of 1/4 inch (6 mm), with compressive strength of not less than 8 psi (55 kPa) according to ASTM D 1621 and maximum water absorption by volume of 0.6 percent according to ASTM C 272. 1. <Double click here to find, evaluate, and insert list of manufacturers and products.> THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado COLD FLUID-APPLIED WATERPROOFING 071416 - 3 C. Protection Course: Fan folded, with a core of extruded-polystyrene board insulation faced on both sides with plastic film, nominal thickness of 1/4 inch (6 mm), with compressive strength of not less than 8 psi (55 kPa) according to ASTM D 1621 and maximum water absorption by volume of 0.6 percent according to ASTM C 272. 1. <Double click here to find, evaluate, and insert list of manufacturers and products.> D. Protection Course: Extruded-polystyrene board insulation with continuous surface skins on both faces intact, unfaced; ASTM C 578, Type X, 1/2 inch (13 mm) thick. 1. <Double click here to find, evaluate, and insert list of manufacturers and products.> E. Protection Course: Molded-polystyrene board insulation, ASTM C 578, Type I, 0.90-lb/cu. ft. (15-kg/cu. m) minimum density, 1-inch (25-mm) minimum thickness. 2.4 MOLDED-SHEET DRAINAGE PANELS A. Nonwoven-Geotextile-Faced, Molded-Sheet Drainage Panel: 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 (0.21-mm) sieve laminated to one side of the core and a polymeric film bonded to the other side; and with a vertical flow rate of 9 to 18 gpm per ft. (112 to 220 L/min. per m). 1. <Double click here to find, evaluate, and insert list of manufacturers and products.> B. Woven-Geotextile-Faced, Molded-Sheet Drainage Panel: Composite subsurface drainage panels consisting of a studded, nonbiodegradable, molded-plastic-sheet drainage core; with a woven- geotextile facing with an apparent opening size not exceeding No. 40 (0.43-mm) sieve, laminated to one side of the core and a polymeric film bonded to the other side; and with a horizontal flow rate of not less than 2.8 gpm per ft. (35 L/min. per m). 1. <Double click here to find, evaluate, and insert list of manufacturers and products.> 2.5 INSULATION A. Board Insulation: Extruded-polystyrene board insulation according to ASTM C 578, square or shiplap edged. 1. <Double click here to find, evaluate, and insert list of manufacturers and products.> 2. Type IV, 25-psi (173-kPa) minimum compressive strength. 3. Type VI, 40-psi (276-kPa) minimum compressive strength. 4. Type VII, 60-psi (414-kPa) minimum compressive strength. 5. Type V, 100-psi (690-kPa) minimum compressive strength. THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado COLD FLUID-APPLIED WATERPROOFING 071416 - 4 PART 3 - EXECUTION 3.1 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. Close off deck drains and other deck penetrations to prevent spillage and migration of waterproofing fluids. D. Remove grease, oil, bitumen, form-release agents, paints, curing compounds, acid residues, and other penetrating contaminants or film-forming coatings from concrete. E. Remove fins, ridges, and other projections, and fill honeycomb, aggregate pockets, holes, and other voids. F. Prepare surfaces at terminations and penetrations through waterproofing and at expansion joints, drains, sleeves, and corners according to waterproofing manufacturer's written instructions and to recommendations in ASTM C 898/C 898M and ASTM C 1471. G. Apply waterproofing in two separate applications, and embed a joint reinforcing strip in the first preparation coat when recommended by waterproofing manufacturer. H. Prepare, treat, rout, and fill joints and cracks in substrate according to waterproofing manufacturer's written instructions and to recommendations in ASTM C 898/C 898M and ASTM C 1471. Before coating surfaces, remove dust and dirt from joints and cracks according to ASTM D 4258. I. Install sheet flashing and bond to deck and wall substrates where required according to waterproofing manufacturer's written instructions. 3.2 WATERPROOFING APPLICATION A. Apply waterproofing according to manufacturer's written instructions and to recommendations in ASTM C 898/C 898M and ASTM C 1471. B. Unreinforced Waterproofing Applications: 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 60 mils (1.5 mm). C. Install protection course with butted joints over waterproofing before starting subsequent construction operations. 1. 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. THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado COLD FLUID-APPLIED WATERPROOFING 071416 - 5 2. Board insulation may be used in place of a separate protection course for vertical applications when approved in writing by waterproofing manufacturer. 3.3 MOLDED-SHEET DRAINAGE PANEL INSTALLATION A. Place and secure molded-sheet drainage panels, with geotextile facing away from wall or deck 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 protection course before installing drainage panels. 3.4 INSULATION INSTALLATION A. Install one or more layers of board insulation to achieve required thickness over waterproofed surfaces. Cut and fit to within 3/4 inch (19 mm) of projections and penetrations. B. On vertical surfaces, set insulation units in adhesive applied according to manufacturer's written instructions. 3.5 INSULATION DRAINAGE PANEL INSTALLATION A. Install drainage panels over waterproofed surfaces. Cut and fit to within 3/4 inch (19 mm) of projections and penetrations. B. Ensure that drainage channels are aligned and free of obstructions. C. On vertical surfaces, set insulation drainage panels in adhesive or tape applied according to manufacturer's written instructions. 3.6 PROTECTION A. Do not permit foot or vehicular traffic on unprotected membrane. B. Protect waterproofing from damage and wear during remainder of construction period. C. Clean spillage and soiling from adjacent construction using cleaning agents and procedures recommended in writing by manufacturer of affected construction. END OF SECTION 071416 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado THERMAL INSULATION 072100 - 1 SECTION 072100 - THERMAL INSULATION PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: 1. Foam-plastic board insulation. 2. Glass-fiber blanket insulation. 3. Spray polyurethane foam insulation. 4. Vapor retarders. B. Reference Section 061600, “Sheathing,” for composite nail base insulated roof sheathing. 1.2 ACTION SUBMITTALS A. Product Data: For each type of product indicated. 1.3 INFORMATIONAL SUBMITTALS A. Product test reports. B. Research/evaluation reports. PART 2 - PRODUCTS 2.1 FOAM-PLASTIC BOARD INSULATION A. Extruded-Polystyrene Board Insulation: ASTM C 578, with maximum flame-spread and smoke-developed indexes of 75 and 450, respectively, per ASTM E 84. 1. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: a. DiversiFoam Products. b. Dow Chemical Company (The). c. Owens Corning. d. Pactiv Building Products. 2. Type VI, 40 psi (276 kPa). 3. 1.5 inches thick (R-7.5 minimum) at all below-grade foundation walls, with a minimum thermal resistance of 5 deg F x h x sq. ft./Btu at 75 deg F per inch thickness (2.3 K x sq. m/W at 24 deg C). THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado THERMAL INSULATION 072100 - 2 4. 3 inches thick (R-13.3 minimum) at exposed board-formed concrete wall, with a minimum thermal resistance of 5 deg F x h x sq. ft./Btu at 75 deg F per inch thickness (2.3 K x sq. m/W at 24 deg C). 5. 2 inches thick (R-10 minimum) at unheated slabs-on-grade, with a minimum thermal resistance of 5 deg F x h x sq. ft./Btu at 75 deg F per inch thickness (2.3 K x sq. m/W at 24 deg C). 2.2 GLASS-FIBER BLANKET INSULATION A. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: 1. CertainTeed Corporation. 2. Guardian Building Products, Inc. 3. Johns Manville. 4. Knauf Insulation. 5. Owens Corning. B. Unfaced, Glass-Fiber Blanket Insulation: ASTM C 665, Type I; with maximum flame-spread and smoke-developed indexes of 25 and 50, respectively, per ASTM E 84; passing ASTM E 136 for combustion characteristics. Where glass-fiber blanket insulation is indicated by the following thicknesses, provide blankets in batt or roll form with thermal resistances indicated: 1. High density, 3.5 inches (89 mm) thick (R-15 minimum) with a minimum thermal resistance of 4.28 deg F x h x sq. ft./Btu at 75 deg F per inch thickness (2.3 K x sq. m/W at 24 deg C). 2. High density, 5.5 inches (140 mm) thick (R-20 minimum) with a minimum thermal resistance of 4.28 deg F x h x sq. ft./Btu at 75 deg F per inch of thickness (3.7 K x sq. m/W at 24 deg C). 2.3 SPRAY POLYURETHANE FOAM INSULATION A. Closed-Cell Polyurethane Foam Insulation: ASTM C 1029, Type II, with maximum flame- spread and smoke-developed indexes of 75 and 450, respectively, per ASTM E 84. 1. Manufacturers: Subject to compliance with requirements, available manufacturers that may be incorporated into the Work include, but are not limited to, the following: a. BASF Corporation. b. BaySystems NorthAmerica, LLC. c. Dow Chemical Company (The). d. ERSystems, Inc. e. Gaco Western Inc. f. Henry Company. g. NCFI; Division of Barnhardt Mfg. Co. h. SWD Urethane Company. i. Volatile Free, Inc. THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado THERMAL INSULATION 072100 - 3 2. 8 inches thick (R-49 minimum), minimum density of 1.5 lb/cu. ft. (24 kg/cu. m), with a minimum thermal resistivity of 8.0 deg F x h x sq. ft./Btu x in. at 75 deg F per inch of thickness (43 K x m/W at 24 deg C). 2.4 COMPOSITE NAIL BASE INSULATED WALL SHEATHING A. Oriented-Strand-Board-Surfaced, Polyisocyanurate-Foam Sheathing: Rigid, cellular, polyisocyanurate thermal insulation with oriented strand board laminated to one face complying with ASTM C 1289, Type V. 1. Polyisocyanurate-Foam Thickness: 1 inch (25 mm), R-3.8 minimum. 2. Oriented-Strand-Board Nominal Thickness: 7/16 inch (11.1 mm). 2.5 VAPOR RETARDERS A. Polyethylene Vapor Retarders: ASTM D 4397, 6 mils (0.15 mm) thick, with maximum permeance rating of 0.13 perm (7.5 ng/Pa x s x sq. m). B. Reinforced-Polyethylene Vapor Retarders: 2 outer layers of polyethylene film laminated to an inner reinforcing layer consisting of either nylon cord or polyester scrim and weighing not less than 25 lb/1000 sq. ft. (12 kg/100 sq. m), with maximum permeance rating of 0.0507 perm (2.9 ng/Pa x s x sq. m). 1. Use in all locations susceptible to foot traffic during installation, including below all new slabs-on-grade, in lieu of standard unreinforced polyethylene. 2. Available Products: a. Raven Industries Inc.; DURA-SKRIM 6WW. b. Reef Industries, Inc.; Griffolyn T-65. C. Vapor-Retarder Tape: Pressure-sensitive tape of type recommended by vapor-retarder manufacturer for sealing joints and penetrations in vapor retarder. PART 3 - EXECUTION 3.1 INSTALLATION, GENERAL A. Comply with insulation manufacturer's written instructions applicable to products and applications indicated. B. Install insulation that is undamaged, dry, and unsoiled and that has not been left exposed to ice, rain, or snow at any time. C. Extend insulation to envelop entire area to be insulated. Cut and fit tightly around obstructions and fill voids with insulation. Remove projections that interfere with placement. THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado THERMAL INSULATION 072100 - 4 D. Provide sizes to fit applications indicated and selected from manufacturer's standard thicknesses, widths, and lengths. Apply single layer of insulation units to produce thickness indicated unless multiple layers are otherwise shown or required to make up total thickness. E. The intent of this section is to provide a continuous, unbroken thermal envelope around the entire building, unless specifically noted otherwise, including all voids and other spaces. 3.2 INSTALLATION OF BELOW-GRADE INSULATION A. On vertical surfaces, set insulation units using manufacturer's recommended adhesive according to manufacturer's written instructions. 1. If not otherwise indicated, extend insulation a minimum of 24 inches (610 mm) below exterior grade line. B. On horizontal surfaces, loosely lay insulation units according to manufacturer's written instructions. Stagger end joints and tightly abut insulation units. 1. If not otherwise indicated, extend insulation a minimum of 48 inches (1220 mm) in from exterior walls. 3.3 INSTALLATION OF INSULATION FOR FRAMED CONSTRUCTION A. Apply insulation units to substrates by method indicated, complying with manufacturer's written instructions. If no specific method is indicated, bond units to substrate with adhesive or use mechanical anchorage to provide permanent placement and support of units. B. Glass-Fiber or Mineral-Wool Blanket Insulation: Install in cavities formed by framing members according to the following requirements: 1. Use insulation widths and lengths that fill the cavities formed by framing members. If more than one length is required to fill the cavities, provide lengths that will produce a snug fit between ends. 2. Place insulation in cavities formed by framing members to produce a friction fit between edges of insulation and adjoining framing members. Do not overfill. 3. Maintain 3-inch (76-mm) clearance of insulation around recessed lighting fixtures not rated for or protected from contact with insulation. 4. For wood-framed construction, install blankets according to ASTM C 1320 and as follows: a. With faced blankets having stapling flanges, secure insulation by inset, stapling flanges to sides of framing members. b. With faced blankets having stapling flanges, lap blanket flange over flange of adjacent blanket to maintain continuity of vapor retarder once finish material is installed over it. C. Spray Polyurethane Foam Insulation Application: Apply spray-applied insulation according to manufacturer's written instructions. Do not apply insulation until installation of pipes, ducts, conduits, wiring, and electrical outlets in walls is completed and windows, electrical boxes, and THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado THERMAL INSULATION 072100 - 5 other items not indicated to receive insulation are masked. After insulation is applied, make flush with face of studs by using method recommended by insulation manufacturer. D. Coordinate wall sheathing insulation installation with flashing and joint-sealant installation so these materials are installed in sequence and manner that prevent exterior moisture from passing through completed assembly. E. Miscellaneous Voids: Install insulation in miscellaneous voids and cavity spaces where required to prevent gaps in insulation using the following materials: 1. Spray Polyurethane Foam Insulation: Apply according to manufacturer's written instructions. 3.4 INSTALLATION OF INSULATION FOR CONCRETE SUBSTRATES A. Install board insulation on concrete substrates by adhesively attached, spindle-type insulation anchors as follows: 1. Fasten insulation anchors to concrete substrates with insulation anchor adhesive according to anchor manufacturer's written instructions. Space anchors according to insulation manufacturer's written instructions for insulation type, thickness, and application indicated. 3.5 INSTALLATION OF VAPOR RETARDERS A. Place vapor retarders on side of construction indicated on Drawings. Extend vapor retarders to extremities of areas to protect from vapor transmission. Secure vapor retarders in place with adhesives or other anchorage system as indicated. Extend vapor retarders to cover miscellaneous voids in insulated substrates, include those filled with spray foam insulation. B. Seal vertical joints in vapor retarders over framing by lapping no fewer than two studs. 1. Fasten vapor retarders to wood framing at top, end, and bottom edges; at perimeter of wall openings; and at lap joints. Space fasteners 16 inches (406 mm) o.c. C. Seal joints caused by pipes, conduits, electrical boxes, and similar items penetrating vapor retarders with vapor-retarder tape to create an airtight seal between penetrating objects and vapor retarders. D. Repair tears or punctures in vapor retarders immediately before concealment by other work. Cover with vapor-retarder tape or another layer of vapor retarders. E. The intent of this section is to provide a continuous, unbroken vapor-retardant envelope around the entire building. END OF SECTION 072100 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado SECTION 072500 - WEATHER BARRIERS PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: 1. Asphalt building paper. 2. Building wrap. 3. Flexible flashing. 1.2 ACTION SUBMITTALS A. Product Data: For each type of product. PART 2 - PRODUCTS 2.1 WATER-RESISTIVE BARRIER A. Asphalt Building Paper: ASTM D 226, Type 1 (No. 15 asphalt-saturated organic felt), unperforated. Asphalt building paper is only for use behind stone veneer. B. Building Wrap: ASTM E 1677, Type I air barrier; with flame-spread and smoke-developed indexes of less than 25 and 450, respectively, when tested according to ASTM E 84; UV stabilized; and acceptable to 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: a. Dow Chemical Company (The); Styrofoam Weathermate Plus Brand Housewrap. b. DuPont (E. I. du Pont de Nemours and Company); Tyvek HomeWrap and HeaderWrap. 2. Water-Vapor Permeance: Not less than 50g through 1 sq. m of surface in 24 hours per ASTM E 96/E 96M, Desiccant Method (Procedure A). C. Building-Wrap Tape: Pressure-sensitive plastic tape recommended by building-wrap manufacturer for sealing joints and penetrations in building wrap. 2.2 MISCELLANEOUS MATERIALS A. Flexible Flashing: Self-adhesive butyl rubber or rubberized-asphalt compound, bonded to a high-density polyethylene film, aluminum foil, or spunbonded polyolefin to produce an overall thickness of not less than 0.025 inch (0.6 mm). WEATHER BARRIERS 072500 - 1 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado 1. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following: a. DuPont (E. I. du Pont de Nemours and Company); DuPont Flashing Tape. b. Grace Construction Products, a unit of W. R. Grace & Co. - Conn.; Vycor Butyl Self Adhered Flashing. c. Protecto Wrap Company; BT-25 XL. d. Raven Industries Inc.; Fortress Flashshield. e. Advanced Building Products Inc.; Wind-o-wrap. f. Carlisle Coatings & Waterproofing; CCW-705-TWF Thru-Wall Flashing. g. Fiberweb, Clark Hammerbeam Corp.; Aquaflash 500. h. Fortifiber Building Systems Group; Fortiflash 25 or Fortiflash 40. i. Grace Construction Products, a unit of W. R. Grace & Co. - Conn.; Vycor Plus Self-Adhered Flashing or Vycor V40 Self-Adhered Flashing. j. MFM Building Products Corp.; Window Wrap. k. Polyguard Products, Inc.; Polyguard JT-20 Tape or Polyguard JT-30 Tape. l. Sandell Manufacturing Co., Inc.; Presto-Seal. PART 3 - EXECUTION 3.1 WATER-RESISTIVE BARRIER INSTALLATION A. Cover sheathing with water-resistive barrier as follows: 1. Cut back barrier 1/2 inch (13 mm) on each side of the break in supporting members at expansion- or control-joint locations. 2. Apply barrier to cover vertical flashing with a minimum 4-inch (100-mm) overlap unless otherwise indicated. B. Asphalt Building Paper: Apply horizontally with a 2-inch (50-mm) overlap and a 6-inch (150- mm) end lap; fasten to sheathing with galvanized staples or roofing nails. Asphalt building paper is only for use behind stone veneer. C. Building Wrap: Comply with manufacturer's written instructions. 1. Seal seams, edges, fasteners, and penetrations with tape. 2. Extend into jambs of openings and seal corners with tape. D. The intent of this Section is that building paper or building wrap shall provide a continuous, unbroken, properly-lapped, weather-resistive barrier around the entire vertical building envelope, including proper lapping over foundation waterproofing. 3.2 FLEXIBLE FLASHING INSTALLATION A. Apply flexible flashing where indicated to comply with manufacturer's written instructions. 1. Lap seams and junctures with other materials at least 4 inches (100 mm) except that at flashing flanges of other construction, laps need not exceed flange width. WEATHER BARRIERS 072500 - 2 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado 2. Lap flashing over water-resistive barrier at bottom and sides of openings. 3. Lap water-resistive barrier over flashing at heads of openings. END OF SECTION 072500 WEATHER BARRIERS 072500 - 3 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado SECTION 076200 - SHEET METAL FLASHING AND TRIM PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: 1. Manufactured reglets and counterflashing. 2. Formed roof drainage sheet metal fabrications. 3. Formed low-slope roof sheet metal fabrications. 4. Formed steep-slope roof sheet metal fabrications. 5. Formed wall sheet metal fabrications. 1.2 ACTION SUBMITTALS A. Product Data: For each type of product indicated. B. Samples: For each exposed product and for each finish specified. 1.3 INFORMATIONAL SUBMITTALS A. Warranty: Sample of special warranty. 1.4 QUALITY ASSURANCE A. Sheet Metal Flashing and Trim Standard: Comply with SMACNA's "Architectural Sheet Metal Manual" unless more stringent requirements are specified or shown on Drawings. B. Proper installation of Project flashing is critical to proper building envelope performance for this Project. The intent of this section is that all flashings are to be installed to properly transport water away from the building envelope for the life of the building. C. Fabricator Qualifications: Employ skilled workers who custom fabricate sheet metal flashing and trim similar to that required for this Project and whose products have a record of successful in-service performance. 1. For copings and roof edge flashings that are SPRI ES-1 tested, shop shall be listed as able to fabricate required details as tested and approved. 1.5 WARRANTY A. Special Warranty on Finishes: Manufacturer's standard form in which manufacturer agrees to repair finish or replace sheet metal flashing and trim that shows evidence of deterioration of factory-applied finishes within 20 years from date of Substantial Completion. SHEET METAL FLASHING AND TRIM 076200 - 1 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado PART 2 - PRODUCTS 2.1 PERFORMANCE REQUIREMENTS A. General: Sheet metal flashing and trim assemblies shall withstand wind loads, structural movement, thermally induced movement, and exposure to weather without failure due to defective manufacture, fabrication, installation, or other defects in construction. Completed sheet metal flashing and trim shall not rattle, leak, or loosen, and shall remain watertight. B. Sheet Metal Standard for Flashing and Trim: Comply with NRCA's "The NRCA Roofing Manual" and SMACNA's "Architectural Sheet Metal Manual" requirements for dimensions and profiles shown unless more stringent requirements are indicated. C. SPRI Wind Design Standard: Manufacture and install copings tested according to SPRI ES-1 and capable of resisting the following design pressure: 1. Design Pressure: As indicated on Drawings. D. Thermal Movements: Allow for thermal movements from ambient and surface temperature changes. 1. Temperature Change: 120 deg F (67 deg C), ambient; 180 deg F (100 deg C), material surfaces. 2.2 SHEET METALS A. General: Protect mechanical and other finishes on exposed surfaces from damage by applying a strippable, temporary protective film before shipping. B. Aluminum Sheet: ASTM B 209 (ASTM B 209M), alloy as standard with manufacturer for finish required, with temper as required to suit forming operations and performance required. 1. Alclad Finish: Metallurgically bonded surfacing to both sides, forming a composite aluminum sheet with reflective luster. 2. Exposed Coil-Coated Finishes: a. Two-Coat Fluoropolymer: AAMA 620. Fluoropolymer finish containing not less than 70 percent PVDF resin by weight in color coat. 3. Color: As selected by Architect from manufacturer's full range. C. Metallic-Coated Steel Sheet: Restricted flatness steel sheet, metallic coated by the hot-dip process and prepainted by the coil-coating process to comply with ASTM A 755/A 755M. 1. Exposed Coil-Coated Finish: a. Two-Coat Fluoropolymer: AAMA 621. Fluoropolymer finish containing not less than 70 percent PVDF resin by weight in color coat. b. Siliconized Polyester: Epoxy primer and silicone-modified, polyester-enamel topcoat. SHEET METAL FLASHING AND TRIM 076200 - 2 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado 2. Color: As selected by Architect from manufacturer's full range. 2.3 UNDERLAYMENT MATERIALS A. Polyethylene Sheet: 6-mil- (0.15-mm-) thick polyethylene sheet complying with ASTM D 4397. B. Felt: ASTM D 226, Type II (No. 30), asphalt-saturated organic felt, nonperforated. C. Self-Adhering, High-Temperature Sheet: Minimum 30 to 40 mils (0.76 to 1.0 mm) thick, consisting of slip-resisting polyethylene-film top surface laminated to layer of butyl or SBS- modified asphalt adhesive, with release-paper backing; cold applied. Provide primer when recommended by underlayment manufacturer. 1. Thermal Stability: ASTM D 1970; stable after testing at 240 deg F (116 deg C). 2. Low-Temperature Flexibility: ASTM D 1970; passes after testing at minus 20 deg F (29 deg C). D. Slip Sheet: Building paper, 3-lb/100 sq. ft. (0.16-kg/sq. m) minimum, rosin sized. 2.4 MISCELLANEOUS MATERIALS A. General: Provide materials and types of fasteners, solder, welding rods, protective coatings, separators, sealants, and other miscellaneous items as required for complete sheet metal flashing and trim installation and recommended by manufacturer of primary sheet metal or manufactured item unless otherwise indicated. B. Fasteners: Wood screws, annular threaded nails, self-tapping screws, self-locking rivets and bolts, and other suitable fasteners designed to withstand design loads and recommended by manufacturer of primary sheet metal or manufactured item. 1. General: Blind fasteners or self-drilling screws, gasketed, with hex-washer head. a. Exposed Fasteners: Heads matching color of sheet metal using plastic caps or factory-applied coating. Do not use exposed fasteners on horizontal surfaces. b. Blind Fasteners: High-strength aluminum or stainless-steel rivets suitable for metal being fastened. c. Spikes and Ferrules: Same material as gutter; with spike with ferrule matching internal gutter width. 2. Fasteners for Aluminum Sheet: Aluminum or Series 300 stainless steel. C. Sealant Tape: Pressure-sensitive, 100 percent solids, gray polyisobutylene compound sealant tape with release-paper backing. Provide permanently elastic, nonsag, nontoxic, nonstaining tape 1/2 inch (13 mm) wide and 1/8 inch (3 mm) thick. D. Elastomeric Sealant: ASTM C 920, elastomeric polymer sealant; low modulus; of type, grade, class, and use classifications required to seal joints in sheet metal flashing and trim and remain watertight. SHEET METAL FLASHING AND TRIM 076200 - 3 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado E. Butyl Sealant: ASTM C 1311, single-component, solvent-release butyl rubber sealant; polyisobutylene plasticized; heavy bodied for hooked-type expansion joints with limited movement. F. Epoxy Seam Sealer: Two-part, noncorrosive, aluminum seam-cementing compound, recommended by aluminum manufacturer for exterior nonmoving joints, including riveted joints. G. Bituminous Coating: Cold-applied asphalt emulsion complying with ASTM D 1187. 2.5 FABRICATION, GENERAL A. General: Custom fabricate sheet metal flashing and trim to comply with recommendations in SMACNA's "Architectural Sheet Metal Manual" that apply to design, dimensions, geometry, metal thickness, and other characteristics of item indicated. Fabricate items at the shop to greatest extent possible. 1. Obtain field measurements for accurate fit before shop fabrication. 2. Form sheet metal flashing and trim without excessive oil canning, buckling, and tool marks and true to line and levels indicated, with exposed edges folded back to form hems. 3. Conceal fasteners and expansion provisions where possible. Exposed fasteners are not allowed on faces exposed to view. B. Sealed Joints: Form nonexpansion but movable joints in metal to accommodate elastomeric sealant. C. Expansion Provisions: Form metal for thermal expansion of exposed flashing and trim. 1. Form expansion joints of intermeshing hooked flanges, not less than 1 inch (25 mm) deep, filled with butyl sealant concealed within joints. D. Fabricate cleats and attachment devices from same material as accessory being anchored or from compatible, noncorrosive metal. E. Seams: Fabricate nonmoving seams with flat-lock seams. Form seams and seal with elastomeric sealant unless otherwise recommended by sealant manufacturer for intended use. Rivet joints where necessary for strength. F. Seams for Aluminum: Fabricate nonmoving seams with flat-lock seams. Form seams and seal with epoxy seam sealer. Rivet joints where necessary for strength. 2.6 ROOF DRAINAGE SHEET METAL FABRICATIONS A. Parapet Scuppers: Fabricate scuppers to dimensions required, with closure flange trim to exterior, 4-inch- (100-mm-) wide wall flanges to interior, and base extending 4 inches (100 mm) beyond cant or tapered strip into field of roof. Fabricate from the following materials: 1. Aluminum: 0.032 inch (0.81 mm) thick. 2. Galvanized Steel: 0.028 inch (0.71 mm) thick. SHEET METAL FLASHING AND TRIM 076200 - 4 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado 2.7 LOW-SLOPE ROOF SHEET METAL FABRICATIONS A. Copings: Fabricate in minimum 96-inch- (2400-mm-) long, but not exceeding 12-foot- (3.6-m-) long, sections. Fabricate joint plates of same thickness as copings. Furnish with continuous cleats to support edge of external leg and interior leg. Miter corners, fasten and seal. 1. Fabricate from the Following Materials: a. Aluminum: 0.050 inch (1.27 mm) thick. b. Galvanized Steel: 0.040 inch (1.02 mm) thick. B. Base Flashing: Fabricate from the following materials: 1. Aluminum: 0.040 inch (1.02 mm) thick. 2. Galvanized Steel: 0.028 inch (0.71 mm) thick. C. Counterflashing: Fabricate from the following materials: 1. Aluminum: 0.032 inch (0.81 mm) thick. 2. Galvanized Steel: 0.022 inch (0.56 mm) thick. D. Roof-Penetration Flashing: Fabricate from the following materials: 1. Galvanized Steel: 0.028 inch (0.71 mm) thick. E. Roof-Drain Flashing: Fabricate from the following materials: 1. Stainless Steel: 0.016 inch (0.40 mm) thick. 2.8 STEEP-SLOPE ROOF SHEET METAL FABRICATIONS A. Apron, Step, Cricket, and Backer Flashing: Fabricate from one of the following materials: 1. Aluminum: 0.032 inch (0.81 mm) thick. 2. Galvanized Steel: 0.022 inch (0.56 mm) thick. B. Drip Edges: Fabricate from one of the following materials: 1. Aluminum: 0.032 inch (0.81 mm) thick. 2. Galvanized Steel: 0.022 inch (0.56 mm) thick. C. Eave and Rake Flashing: Fabricate from one of the following materials: 1. Aluminum: 0.032 inch (0.81 mm) thick. 2. Galvanized Steel: 0.022 inch (0.56 mm) thick. 2.9 WALL SHEET METAL FABRICATIONS A. Opening Flashings in Frame Construction: Fabricate head, sill, jamb, and similar flashings to extend 6 inches (100 mm) beyond wall openings. Form head and sill flashing with 2-inch- (50- mm-) high, end dams. Fabricate from one of the following materials: SHEET METAL FLASHING AND TRIM 076200 - 5 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado 1. Aluminum: 0.032 inch (0.81 mm) thick. 2. Galvanized Steel: 0.022 inch (0.56 mm) thick. PART 3 - EXECUTION 3.1 UNDERLAYMENT INSTALLATION A. Felt Underlayment: Install felt underlayment, wrinkle free, using adhesive to minimize use of mechanical fasteners under sheet metal flashing and trim. Apply in shingle fashion to shed water, with lapped joints of not less than 2 inches (50 mm). B. Self-Adhering Sheet Underlayment: Install self-adhering sheet underlayment, wrinkle free. Prime substrate if recommended by underlayment manufacturer. Comply with temperature restrictions of underlayment manufacturer for installation; use primer for installing underlayment at low temperatures. Apply in shingle fashion to shed water, with end laps of not less than 6 inches (150 mm) staggered 24 inches (600 mm) between courses. Overlap side edges not less than 3-1/2 inches (90 mm). Roll laps and edges with roller. Cover underlayment within 14 days. 3.2 INSTALLATION, GENERAL A. General: Anchor sheet metal flashing and trim and other components of the Work securely in place, with provisions for thermal and structural movement. Use fasteners, solder, protective coatings, separators, sealants, and other miscellaneous items as required to complete sheet metal flashing and trim system. 1. Install sheet metal flashing and trim true to line, levels, and slopes. Provide uniform, neat seams with minimum exposure of solder, welds, and sealant. 2. Install sheet metal flashing and trim to fit substrates and to result in watertight performance. Verify shapes and dimensions of surfaces to be covered before fabricating sheet metal. 3. Space cleats not more than 12 inches (300 mm) apart. Attach each cleat with at least two fasteners. Bend tabs over fasteners. 4. Install exposed sheet metal flashing and trim with limited oil canning, and free of buckling and tool marks. 5. Torch cutting of sheet metal flashing and trim is not permitted. B. Metal Protection: Where dissimilar metals contact each other, or where metal contacts pressure- treated wood or other corrosive substrates, protect against galvanic action or corrosion by painting contact surfaces with bituminous coating or by other permanent separation as recommended by sheet metal manufacturer or cited sheet metal standard. 1. Coat concealed side of uncoated-aluminum and stainless-steel sheet metal flashing and trim with bituminous coating where flashing and trim contact wood, ferrous metal, or cementitious construction. 2. Underlayment: Where installing sheet metal flashing and trim directly on cementitious or wood substrates, install underlayment and cover with slip sheet. SHEET METAL FLASHING AND TRIM 076200 - 6 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado C. Expansion Provisions: Provide for thermal expansion of exposed flashing and trim. Space movement joints at maximum of 10 feet (3 m) with no joints within 24 inches (600 mm) of corner or intersection. 1. Form expansion joints of intermeshing hooked flanges, not less than 1 inch (25 mm) deep, filled with sealant concealed within joints. 2. Use lapped expansion joints only where indicated on Drawings. D. Fasteners: Use fastener sizes that penetrate wood blocking or sheathing not less than 1-1/4 inches (32 mm) for nails and not less than 3/4 inch (19 mm) for wood screws, or into substrate not less than recommended by fastener manufacturer to achieve maximum pull-out resistance, whichever requirement is more restrictive. E. Conceal fasteners and expansion provisions where possible in exposed work and locate to minimize possibility of leakage. Cover and seal fasteners and anchors as required for a tight installation. F. Seal joints as required for watertight construction. Prepare joints and apply sealants to comply with requirements in Section 079200 "Joint Sealants." G. Soldered Joints: Clean surfaces to be soldered, removing oils and foreign matter. Pre-tin edges of sheets with solder to width of 1-1/2 inches (38 mm); however, reduce pre-tinning where pre-tinned surface would show in completed Work. 1. Do not solder aluminum sheet. 2. Do not use torches for soldering. 3. Heat surfaces to receive solder, and flow solder into joint. Fill joint completely. Completely remove flux and spatter from exposed surfaces. 4. Stainless-Steel Soldering: Tin edges of uncoated sheets, using solder for stainless steel and acid flux. Promptly remove acid flux residue from metal after tinning and soldering. Comply with solder manufacturer's recommended methods for cleaning and neutralization. H. Rivets: Rivet joints in uncoated aluminum where necessary for strength. 3.3 ROOF-DRAINAGE SYSTEM INSTALLATION A. General: Install sheet metal roof-drainage items to produce complete roof-drainage system according to cited sheet metal standard unless otherwise indicated. Coordinate installation of roof perimeter flashing with installation of roof-drainage system. B. Splash Pans: Install where drains discharge on low-slope roofs or landscaping. Set in asphalt roofing cement or elastomeric sealant compatible with the substrate. C. Parapet Scuppers: Continuously support scupper, set to correct elevation, and seal flanges to interior wall face, over cants or tapered edge strips, and under roofing membrane. SHEET METAL FLASHING AND TRIM 076200 - 7 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado 3.4 ROOF FLASHING INSTALLATION A. General: Install sheet metal flashing and trim to comply with performance requirements, sheet metal manufacturer's written installation instructions, and cited sheet metal standard. Provide concealed fasteners where possible, and set units true to line, levels, and slopes. Install work with laps, joints, and seams that are permanently watertight and weather resistant. B. Roof Edge Flashing: Anchor to resist uplift and outward forces according to recommendations in cited sheet metal standard unless otherwise indicated. Interlock bottom edge of roof edge flashing with continuous cleat anchored to substrate. C. Copings: Anchor to resist uplift and outward forces according to recommendations in cited sheet metal standard unless otherwise indicated. D. Pipe or Post Counterflashing: Install counterflashing umbrella with close-fitting collar with top edge flared for elastomeric sealant, extending minimum of 4 inches (100 mm) over base flashing. Install stainless-steel draw band and tighten. E. Counterflashing: Coordinate installation of counterflashing with installation of base flashing. Insert counterflashing in reglets or receivers and fit tightly to base flashing. Extend counterflashing 4 inches (100 mm) over base flashing. Lap counterflashing joints minimum of 4 inches (100 mm). F. Roof-Penetration Flashing: Coordinate installation of roof-penetration flashing with installation of roofing and other items penetrating roof. Seal with elastomeric sealant and clamp flashing to pipes that penetrate roof. 3.5 WALL FLASHING INSTALLATION A. General: Install sheet metal wall flashing to intercept and exclude penetrating moisture according to cited sheet metal standard unless otherwise indicated. Coordinate installation of wall flashing with installation of wall-opening components such as windows, doors, and louvers. B. Through-Wall Flashing: Installation of through-wall flashing is specified in Division 04. C. Opening Flashings in Frame Construction: Install continuous head, sill, and similar flashings to extend 4 inches (100 mm) beyond wall openings, unless noted otherwise. 3.6 CLEANING AND PROTECTION A. Clean exposed metal surfaces of substances that interfere with uniform oxidation and weathering. B. Clean and neutralize flux materials. Clean off excess solder. C. Clean off excess sealants. D. Remove temporary protective coverings and strippable films as sheet metal flashing and trim are installed unless otherwise indicated in manufacturer's written installation instructions. SHEET METAL FLASHING AND TRIM 076200 - 8 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado END OF SECTION 076200 SHEET METAL FLASHING AND TRIM 076200 - 9 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado SECTION 079200 - JOINT SEALANTS PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: 1. Silicone joint sealants. 2. Urethane joint sealants. 3. Latex joint sealants. 4. Mildew-resistant joint sealants. 1.2 ACTION SUBMITTALS A. Product Data: For each joint-sealant product indicated. B. Samples: For each kind and color of joint sealant required. 1.3 INFORMATIONAL SUBMITTALS A. Product test reports. B. Warranties. 1.4 WARRANTY A. Special Installer's Warranty: Manufacturer's standard form in which Installer agrees to repair or replace joint sealants that do not comply with performance and other requirements specified in this Section within specified warranty period. 1. Warranty Period: Five (5) years from date of Substantial Completion. PART 2 - PRODUCTS 2.1 MATERIALS, GENERAL A. VOC Content of Interior Sealants: Sealants and sealant primers used inside the weatherproofing system shall comply with the following limits for VOC content when calculated according to 40 CFR 59, Subpart D (EPA Method 24): 1. Architectural Sealants: 250 g/L. 2. Sealant Primers for Nonporous Substrates: 250 g/L. 3. Sealant Primers for Porous Substrates: 775 g/L. JOINT SEALANTS 079200 - 1 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado B. Liquid-Applied Joint Sealants: Comply with ASTM C 920 and other requirements indicated for each liquid-applied joint sealant specified, including those referencing ASTM C 920 classifications for type, grade, class, and uses related to exposure and joint substrates. 1. Suitability for Immersion in Liquids. Where sealants are indicated for Use I for joints that will be continuously immersed in liquids, provide products that have undergone testing according to ASTM C 1247. Liquid used for testing sealants is deionized water, unless otherwise indicated. C. Stain-Test-Response Characteristics: Where sealants are specified to be nonstaining to porous substrates, provide products that have undergone testing according to ASTM C 1248 and have not stained porous joint substrates indicated for Project. D. Suitability for Contact with Food: Where sealants are indicated for joints that will come in repeated contact with food, provide products that comply with 21 CFR 177.2600. 2.2 SILICONE JOINT SEALANTS A. Mildew-Resistant Silicone Joint Sealant: ASTM C 920. 1. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: a. BASF Building Systems. b. Dow Corning Corporation. c. GE Advanced Materials - Silicones. d. May National Associates, Inc. e. Pecora Corporation. f. Polymeric Systems, Inc. g. Schnee-Morehead, Inc. h. Sika Corporation; Construction Products Division. i. Tremco Incorporated. 2. Type: Single component (S) or multicomponent (M). 3. Grade: Pourable (P) or nonsag (NS). 4. Class: 25. 5. Uses Related to Exposure: Nontraffic (NT). 2.3 URETHANE JOINT SEALANTS A. Urethane Joint Sealant: ASTM C 920. 1. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: a. BASF Building Systems. b. Bostik, Inc. JOINT SEALANTS 079200 - 2 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado c. Lymtal, International, Inc. d. May National Associates, Inc. e. Pacific Polymers International, Inc. f. Pecora Corporation. g. Polymeric Systems, Inc. h. Schnee-Morehead, Inc. i. Sika Corporation; Construction Products Division. j. Tremco Incorporated. 2. Type: Single component (S) or multicomponent (M). 3. Grade: Pourable (P) or nonsag (NS). 4. Class: 50. 5. Uses Related to Exposure: Nontraffic (NT). 2.4 LATEX JOINT SEALANTS A. Latex Joint Sealant: Acrylic latex or siliconized acrylic latex, ASTM C 834, Type OP, Grade NF. 1. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: a. BASF Building Systems. b. Bostik, Inc. c. May National Associates, Inc. d. Pecora Corporation. e. Schnee-Morehead, Inc. f. Tremco Incorporated. 2.5 MILDEW-RESISTANT JOINT SEALANTS A. Mildew-Resistant Joint Sealants: Formulated for prolonged exposure to humidity with fungicide to prevent mold and mildew growth. B. Silicone, Mildew Resistant, Acid Curing, S, NS, 25, NT: Mildew-resistant, single-component, nonsag, plus 25 percent and minus 25 percent movement capability, nontraffic-use, acid-curing silicone joint sealant; ASTM C 920, Type S, Grade NS, Class 25, Use NT. 2.6 JOINT SEALANT BACKING A. Cylindrical Sealant Backings: ASTM C 1330, Type C (closed-cell material with a surface skin), Type O (open-cell material), Type B (bicellular material with a surface skin) or any of the preceding types, as approved in writing by joint-sealant manufacturer for joint application indicated, and of size and density to control sealant depth and otherwise contribute to producing optimum sealant performance. JOINT SEALANTS 079200 - 3 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado B. Bond-Breaker Tape: Polyethylene tape or other plastic tape recommended by sealant manufacturer. 2.7 MISCELLANEOUS MATERIALS A. Primer: Material recommended by joint-sealant manufacturer where required for adhesion of sealant to joint substrates indicated, as determined from preconstruction joint-sealant-substrate tests and field tests. B. Cleaners for Nonporous Surfaces: Chemical cleaners acceptable to manufacturers of sealants and sealant backing materials. C. Masking Tape: Nonstaining, nonabsorbent material compatible with joint sealants and surfaces adjacent to joints. PART 3 - EXECUTION 3.1 PREPARATION A. Surface Cleaning of Joints: Clean out joints immediately before installing joint sealants to comply with joint-sealant manufacturer's written instructions. 1. Remove laitance and form-release agents from concrete. 2. Clean nonporous joint substrate surfaces with chemical cleaners or other means that do not stain, harm substrates, or leave residues capable of interfering with adhesion of joint sealants. B. Joint Priming: Prime joint substrates where recommended by joint-sealant manufacturer or as indicated by preconstruction joint-sealant-substrate tests or prior experience. Apply primer to comply with joint-sealant manufacturer's written instructions. Confine primers to areas of joint- sealant bond; do not allow spillage or migration onto adjoining surfaces. C. Masking Tape: Use masking tape where required to prevent contact of sealant or primer with adjoining surfaces that otherwise would be permanently stained or damaged by such contact or by cleaning methods required to remove sealant smears. Remove tape immediately after tooling without disturbing joint seal. 3.2 INSTALLATION A. Sealant Installation Standard: Comply with recommendations in ASTM C 1193 for use of joint sealants as applicable to materials, applications, and conditions indicated. B. Install sealant backings of kind indicated to support sealants during application and at position required to produce cross-sectional shapes and depths of installed sealants relative to joint widths that allow optimum sealant movement capability. 1. Do not leave gaps between ends of sealant backings. 2. Do not stretch, twist, puncture, or tear sealant backings. JOINT SEALANTS 079200 - 4 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado 3. Remove absorbent sealant backings that have become wet before sealant application and replace them with dry materials. C. Install bond-breaker tape behind sealants where sealant backings are not used between sealants and backs of joints. D. Install sealants using proven techniques that comply with the following and at the same time backings are installed: 1. Place sealants so they directly contact and fully wet joint substrates. 2. Completely fill recesses in each joint configuration. 3. Produce uniform, cross-sectional shapes and depths relative to joint widths that allow optimum sealant movement capability. E. Tooling of Nonsag Sealants: Immediately after sealant application and before skinning or curing begins, tool sealants according to requirements specified in subparagraphs below to form smooth, uniform beads of configuration indicated; to eliminate air pockets; and to ensure contact and adhesion of sealant with sides of joint. 1. Remove excess sealant from surfaces adjacent to joints. 2. Use tooling agents that are approved in writing by sealant manufacturer and that do not discolor sealants or adjacent surfaces. 3. Provide concave joint profile per Figure 8A in ASTM C 1193, unless otherwise indicated. F. Clean off excess sealant or sealant smears adjacent to joints as the Work progresses by methods and with cleaning materials approved in writing by manufacturers of joint sealants and of products in which joints occur. 3.3 JOINT-SEALANT SCHEDULE A. Joint-Sealant Application: Exterior joints in horizontal traffic surfaces. 1. Joint Locations: a. Isolation and contraction joints in cast-in-place concrete slabs. b. Joints in stone paving units, including steps. c. Joints between different materials listed above. d. Other joints as indicated. 2. Joint Sealant: Urethane. 3. Joint-Sealant Color: As selected by Architect from manufacturer's full range of colors. B. Joint-Sealant Application: Exterior joints in vertical surfaces and horizontal nontraffic surfaces. 1. Joint Sealant Locations: a. Construction joints in cast-in-place concrete. b. Joints between different materials listed above. c. Perimeter joints between materials listed above and frames of doors, windows and louvers. d. Other joints as indicated. JOINT SEALANTS 079200 - 5 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail. Colorado 2. Joint Sealant: Urethane. 3. Joint-Sealant Color: As selected by Architect from manufacturer's full range of colors. C. Joint-Sealant Application: Interior joints in vertical surfaces and horizontal nontraffic surfaces. 1. Joint Sealant Locations: a. Perimeter joints of exterior openings where indicated. b. Vertical joints on exposed surfaces of interior masonry and partitions. c. Perimeter joints between interior wall surfaces and frames of interior doors and windows. d. Other joints as indicated. 2. Joint Sealant: Latex. 3. Joint-Sealant Color: As selected by Architect from manufacturer's full range of colors. D. Joint-Sealant Application: Mildew-resistant interior joints in vertical surfaces and horizontal nontraffic surfaces. 1. Joint Sealant Location: a. Joints between plumbing fixtures and adjoining walls, floors, and counters. b. Joints at restrooms and Alpine House. c. Other joints as indicated. 2. Joint Sealant: Silicone. 3. Joint-Sealant Color: As selected by Architect from manufacturer's full range of colors E. Joint-Sealant Application: Interior joints in vertical surfaces and horizontal nontraffic surfaces exposed to food products. 1. Joint Sealant Location: a. All joints in surfaces exposed to food products, including within kitchenette. b. Other joints as indicated. 2. Joint Sealant: Food-grade silicone. 3. Joint-Sealant Color: As selected by Architect from manufacturer's full range of colors END OF SECTION 079200 JOINT SEALANTS 079200 - 6 THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING 075323 - 1 SECTION 075323 - ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: 1. Adhered ethylene-propylene-diene-monomer (EPDM) roofing system. 2. Roof insulation. 1.2 DEFINITIONS A. Roofing Terminology: Definitions in ASTM D 1079 and glossary of NRCA's "The NRCA Roofing and Waterproofing Manual" apply to work of this Section. 1.3 ACTION SUBMITTALS A. Product Data: For each type of product. B. Shop Drawings: For roofing system. Include plans, elevations, sections, details, and attachments to other work. C. Samples for Verification: For the following products: 1. Sheet roofing, of color required. 2. Roof paver, full sized, in each color and texture required. 1.4 INFORMATIONAL SUBMITTALS A. Research/Evaluation Reports: For components of roofing system, from ICC-ES. B. Sample Warranties: For manufacturer's special warranties. 1.5 CLOSEOUT SUBMITTALS A. Maintenance Data: For roofing system to include in maintenance manuals. 1.6 QUALITY ASSURANCE A. Installer Qualifications: A qualified firm that is approved, authorized, or licensed by roofing system manufacturer to install manufacturer's product and that is eligible to receive manufacturer's special warranty. THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING 075323 - 2 1.7 WARRANTY A. Special Warranty: Manufacturer agrees to repair or replace components of roofing system that fail in materials or workmanship within specified warranty period. 1. Warranty Period: 20 years from date of Substantial Completion. PART 2 - PRODUCTS 2.1 MANUFACTURERS A. Source Limitations: Obtain components including fasteners for roofing system from same manufacturer as membrane roofing or manufacturer approved by membrane roofing manufacturer. 2.2 PERFORMANCE REQUIREMENTS A. Accelerated Weathering: Roofing system shall withstand 2000 hours of exposure when tested according to ASTM G 152, ASTM G 154, or ASTM G 155. B. Impact Resistance: Roofing system shall resist impact damage when tested according to ASTM D 3746 or ASTM D 4272. C. Roofing System Design: Tested by a qualified testing agency to resist the following uplift pressures: 1. Corner Uplift Pressure: <Insert lbf/sq. ft. (kPa/sq. m)>. 2. Perimeter Uplift Pressure: <Insert lbf/sq. ft. (kPa/sq. m)>. 3. Field-of-Roof Uplift Pressure: <Insert lbf/sq. ft. (kPa/sq. m)>. D. Exterior Fire-Test Exposure: ASTM E 108 or UL 790, Class A; for application and roof slopes indicated; testing by a qualified testing agency. Identify products with appropriate markings of applicable testing agency. E. Fire-Resistance Ratings: Comply with fire-resistance-rated assembly designs indicated. Identify products with appropriate markings of applicable testing agency. 2.3 EPDM ROOFING A. EPDM: ASTM D 4637, Type I, nonreinforced, uniform, flexible EPDM sheet. 1. <Double click here to find, evaluate, and insert list of manufacturers and products.> 2. Thickness: 60 mils (1.5 mm), nominal. 3. Exposed Face Color: Black. THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING 075323 - 3 2.4 AUXILIARY ROOFING MATERIALS A. General: Auxiliary materials recommended by roofing system manufacturer for intended use and compatible with roofing. 1. Liquid-type auxiliary materials shall comply with VOC limits of authorities having jurisdiction. 2. Adhesives and sealants that are not on the exterior side of weather barrier shall comply with the following limits for VOC content: a. Plastic Foam Adhesives: 50 g/L. b. Gypsum Board and Panel Adhesives: 50 g/L. c. Multipurpose Construction Adhesives: 70 g/L. d. Fiberglass Adhesives: 80 g/L. e. Single-Ply Roof Membrane Adhesives: 250 g/L. f. Single-Ply Roof Membrane Sealants: 450 g/L. g. Nonmembrane Roof Sealants: 300 g/L. h. Sealant Primers for Nonporous Substrates: 250 g/L. i. Sealant Primers for Porous Substrates: 775 g/L. j. Other Adhesives and Sealants: 250 g/L. B. Sheet Flashing: 60-mil- (1.5-mm-) thick EPDM, partially cured or cured, according to application. C. Protection Sheet: Epichlorohydrin or neoprene nonreinforced flexible sheet, 55- to 60-mil- (1.4- to 1.5-mm-) thick, recommended by EPDM manufacturer for resistance to hydrocarbons, non- aromatic solvents, grease, and oil. D. Bonding Adhesive: Manufacturer's standard, water based. E. Seaming Material: Manufacturer's standard, synthetic-rubber polymer primer and 3-inch- (75- mm-) wide minimum, butyl splice tape with release film. F. Fasteners: Factory-coated steel fasteners and metal or plastic plates complying with corrosion- resistance provisions in FM Global 4470, designed for fastening membrane to substrate, and acceptable to roofing system manufacturer. G. Miscellaneous Accessories: Provide lap sealant, water cutoff mastic, metal termination bars, metal battens, pourable sealers, preformed cone and vent sheet flashings, molded pipe boot flashings, preformed inside and outside corner sheet flashings, reinforced EPDM securement strips, T-joint covers, in-seam sealants, termination reglets, cover strips, and other accessories. 2.5 SUBSTRATE BOARDS A. Substrate Board: ASTM C 1177/C 1177M, glass-mat, water-resistant gypsum substrate, 1/2 inch (13 mm) thick. 1. <Double click here to find, evaluate, and insert list of manufacturers and products.> THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING 075323 - 4 B. Fasteners: Factory-coated steel fasteners and metal or plastic plates complying with corrosion- resistance provisions in FM Global 4470, designed for fastening substrate panel to roof deck. 2.6 ROOF INSULATION A. Extruded-Polystyrene Board Insulation: ASTM C 578, Type IV, 1.6-lb/cu. ft. (26-kg/cu. m) minimum density, square edged. 1. <Double click here to find, evaluate, and insert list of manufacturers and products.> B. Tapered Insulation: Provide factory-tapered insulation boards fabricated to slope of 1/4 inch per 12 inches (1:48) unless otherwise indicated. C. Provide preformed saddles, crickets, tapered edge strips, and other insulation shapes where indicated for sloping to drain. Fabricate to slopes indicated. 2.7 INSULATION ACCESSORIES A. Fasteners: Factory-coated steel fasteners and metal or plastic plates complying with corrosion- resistance provisions in FM Global 4470, designed for fastening roof insulation to substrate, and acceptable to roofing system manufacturer. B. Insulation Adhesive: Insulation manufacturer's recommended adhesive formulated to attach roof insulation to substrate or to another insulation layer. C. Protection Mat: Woven or nonwoven polypropylene, polyolefin, or polyester fabric, water permeable and resistant to UV degradation, type and weight as recommended by roofing system manufacturer for application. 2.8 ASPHALT MATERIALS A. Roofing Asphalt: ASTM D 312, Type III or Type IV. B. Asphalt Primer: ASTM D 41/D 41M. 2.9 BALLAST A. Lightweight Roof Pavers: Interlocking, lightweight concrete units; grooved back, with four-way drainage capability; beveled, doweled, or otherwise profiled; and as follows: 1. <Double click here to find, evaluate, and insert list of manufacturers and products.> 2. Size: 12x 12 inches or 18x 18 inches. 3. Compressive Strength: 2500 psi (17 MPa), minimum. 4. Colors and Textures: As selected by Architect from manufacturer's full range. THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING 075323 - 5 PART 3 - EXECUTION 3.1 ROOFING INSTALLATION, GENERAL A. Install roofing system according to roofing system manufacturer's written instructions. B. Complete terminations and base flashings and provide temporary seals to prevent water from entering completed sections of roofing system at the end of the workday or when rain is forecast. Remove and discard temporary seals before beginning work on adjoining roofing. 3.2 SUBSTRATE BOARD INSTALLATION A. Install substrate board with long joints in continuous straight lines, perpendicular to roof slopes with end joints staggered between rows. Tightly butt substrate boards together. 1. Fasten substrate board to top flanges of steel deck to resist uplift pressure at corners, perimeter, and field of roof according to roofing system manufacturers' written instructions. 3.3 INSULATION INSTALLATION A. Coordinate installing roofing system components so insulation is not exposed to precipitation or left exposed at the end of the workday. B. Install tapered insulation under area of roofing to conform to slopes indicated. C. Install insulation under area of roofing to achieve required thickness. Where overall insulation thickness is 2.7 inches (68 mm) or greater, install two or more layers with joints of each succeeding layer staggered from joints of previous layer a minimum of 6 inches (150 mm) in each direction. D. Adhered Insulation: Install each layer of insulation and adhere to substrate as follows: 1. Prime surface of concrete deck with asphalt primer at rate of 3/4 gal./100 sq. ft. (0.3 L/sq. m), and allow primer to dry. 2. Set each layer of insulation in a solid mopping of hot roofing asphalt, applied within plus or minus 25 deg F (14 deg C) of equiviscous temperature. 3. Set each layer of insulation in insulation adhesive, firmly pressing and maintaining insulation in place. 3.4 ADHERED MEMBRANE ROOFING INSTALLATION A. Adhere roofing over area to receive roofing according to membrane roofing system manufacturer's written instructions. Unroll membrane roofing and allow to relax before installing. B. Accurately align roofing, and maintain uniform side and end laps of minimum dimensions required by manufacturer. Stagger end laps. THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING 075323 - 6 C. Bonding Adhesive: Apply to substrate and underside of roofing at rate required by manufacturer, and allow to partially dry before installing roofing. Do not apply to splice area of roofing. D. In addition to adhering, mechanically fasten roofing securely at terminations, penetrations, and perimeters. E. Adhesive Seam Installation: Clean both faces of splice areas, apply splicing cement, and firmly roll side and end laps of overlapping roofing according to manufacturer's written instructions to ensure a watertight seam installation. Apply lap sealant and seal exposed edges of roofing terminations. 1. Apply a continuous bead of in-seam sealant before closing splice if required by roofing system manufacturer. F. Tape Seam Installation: Clean and prime both faces of splice areas, apply splice tape, and firmly roll side and end laps of overlapping roofing according to manufacturer's written instructions to ensure a watertight seam installation. Apply lap sealant and seal exposed edges of roofing terminations. G. Repair tears, voids, and lapped seams in roofing that do not comply with requirements. H. Spread sealant or mastic bed over deck-drain flange at roof drains, and securely seal membrane roofing in place with clamping ring. 3.5 BASE FLASHING INSTALLATION A. Install sheet flashings and preformed flashing accessories, and adhere to substrates according to roofing system manufacturer's written instructions. B. Apply bonding adhesive to substrate and underside of sheet flashing at required rate, and allow to partially dry. Do not apply to seam area of flashing. C. Flash penetrations and field-formed inside and outside corners with cured or uncured sheet flashing. D. Clean splice areas, apply splicing cement, and firmly roll side and end laps of overlapping sheets to ensure a watertight seam installation. Apply lap sealant and seal exposed edges of sheet flashing terminations. E. Terminate and seal top of sheet flashings. 3.6 PROTECTING AND CLEANING A. Protect membrane roofing system from damage and wear during remainder of construction period. When remaining construction does not affect or endanger roofing, inspect roofing for deterioration and damage, describing its nature and extent in a written report, with copies to Architect and Owner. THE EDUCATION CENTER Project No. 122175.00 AT BETTY FORD ALPINE GARDENS Vail, Colorado ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING 075323 - 7 B. Correct deficiencies in or remove membrane roofing system that does not comply with requirements, repair substrates, and repair or reinstall membrane roofing system to a condition free of damage and deterioration at time of Substantial Completion and according to warranty requirements. C. Clean overspray and spillage from adjacent construction using cleaning agents and procedures recommended by manufacturer of affected construction. END OF SECTION 075323