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HomeMy WebLinkAbout08-3473-Wood-Sound-Control-Door-Assemblies_Rev_1Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 WOOD SOUND CONTROL DOOR ASSEMBLIES 08 3473.16 - 1 SECTION 08 3473.16 WOOD SOUND CONTROL DOOR ASSEMBLIES PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. 1.2 SUMMARY A. Section includes wood sound control door assemblies for doors indicated to have an STC of 40 or greater. B. Related Requirements: 1. Section 01 8113 “Sustainable Design Requirements” for general requirements and procedures for compliance with certain USGBC LEED prerequisites and credits. 2. Section 04 0001 "Masonry Work" for embedding anchors for sound-control door frames into masonry construction. 3. Section 08 1113 “Hollow Metal Doors And Frames." 4. Section 08 1216 "Aluminum Frames" for interior aluminum door frames. 5. Section 08 1416 “Flush Wood Doors." 1.3 COORDINATION A. Coordinate installation of anchorages for sound control door assemblies. Furnish setting drawings, templates, and directions for installing anchorages. Deliver sleeves, inserts, anchor bolts, and items with integral anchors to Project site in time for installation. 1.4 PREINSTALLATION MEETINGS A. Preinstallation Conference: Conduct conference at Project site. 1. Review procedures for coordinating frame and anchor installation with wall construction. 2. Review required field quality-control procedures. 1.5 ACTION SUBMITTALS A. Make Submittals in accordance with Section 01 3300 “Submittal Procedures.” B. Product Data: For each type of product. Include sound ratings, construction details, material descriptions, core descriptions, and finishes. C. Sustainable Design Submittals: 1. Environmental Product Declaration (EPD): Provide manufacturers’ product documentation for each product having an Environmental Product Declaration (EPD). Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 WOOD SOUND CONTROL DOOR ASSEMBLIES 08 3473.16 - 2 a. Documentation should confirm EPD conforms with ISO 14205 EN 15804 or ISO 21930. b. EPD shall have at least Cradle to Gate scope. c. Complete "LEED Materials Documentation Sheet" with MRc2 information for each product having an EPD. 2. Recycled Content: Provide manufacturers’ product documentation that includes recycled content claims for the products contributing towards compliance. Claims must conform to the definition in ISO 14021-1999, Environmental Labels and Declarations, Self-Declared Environmental Claims. a. Complete "LEED Materials Documentation Sheet" with MRc3 Option 2 information for products with recycled content installed in the building. 3. Certified Wood: Document FSC Certification for all wood products that contribute to credit achievement by providing the following: a. Itemized vendor invoices for FSC-certified products. b. Chain-of-Custody (COC) certificates. Every entity that processes or trades FSC- certified material before it is shipped to the project site must have FSC CoC certification. On-site installers of FSC-certified products must have CoC certification only if they modify the products off the project site. c. Complete "LEED Materials Documentation Sheet" with MRc3 Option 2 information for wood products installed in the building. 4. Health Product Declaration (HPD): Provide manufacturers’ product documentation for each product having a publically available material inventory down to at least 0.1 percent or 1000 ppm. a. Documentation should be in the form of one of the following: 1) A publically available inventory of all ingredients identified by name and Chemical Abstract Service Registration Number (CASRN). 2) A published, complete Health Product Declaration in compliance with the Health Product Declaration open Standard. 3) Material Health Certificate or Cradle to Cradle Certification under standard version 3 or later with a Material Health Achievement level at the Bronze level or higher. 4) A Declare product label indicating that all ingredients have been evaluated and disclosed down to 1000 ppm. 5) Cradle to Cradle Material Health Certificate at the Bronze Level or higher. b. Complete "LEED Materials Documentation Sheet" with MRc2 information for each product having an EPD. 5. Composite Wood: Provide manufacturers’ product data confirming that the composite wood products in the building have low formaldehyde emissions that meet the California Air Resources Board ATCM for formaldehyde requirements for ultra-low-emitting formaldehyde (ULEF) resins or no added formaldehyde resins. a. Complete "LEED Materials Documentation Sheet" with IEQc2 information for composite wood products installed within the waterproofing membrane. D. Shop Drawings: For sound control door assemblies. 1. Include elevations of each door design. 2. Include details of sound control seals, door bottoms, and thresholds. 3. Include details of doors, including vertical- and horizontal-edge details and metal thicknesses. 4. Include frame details for each frame type, including dimensioned profiles and metal thicknesses. 5. Include locations of reinforcements and preparations for hardware. 6. Include details of each different wall opening condition. 7. Include details of anchorages, joints, field splices, and connections. 8. Include details of accessories. 9. Include details of moldings, removable stops, and glazing. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 WOOD SOUND CONTROL DOOR ASSEMBLIES 08 3473.16 - 3 10. Include details of conduits and preparations for power, signal, and control systems. E. Samples for Verification: For each type of exposed finish not less than 3 by 5 inches. 1. Doors and Frames: Samples approximately 12 by 12 inches. a. Doors: Include section of vertical-edge, top, and bottom construction; automatic door bottom or gasket; core construction; glazing; and hinge and other applied hardware reinforcement. b. Frames: Include profile, corner joint, floor and wall anchors, and seals. F. Schedule: Provide a schedule of sound control door assemblies prepared using same reference numbers for details and openings as those on Drawings. Coordinate with the Door Hardware Schedule. 1.6 INFORMATIONAL SUBMITTALS A. Qualification Data: For Installer and manufacturer. B. Product Certificates: For each type of sound control door assembly. C. Product Test Reports: For each sound control door assembly, for tests performed by manufacturer and witnessed by a qualified testing agency. D. Sample Warranty: For manufacturer's special warranties. 1.7 CLOSEOUT SUBMITTALS A. Maintenance Data: For sound control door assemblies to include in maintenance manuals. 1.8 QUALITY ASSURANCE A. Installer Qualifications: An entity that employs installers and supervisors who are trained and approved by manufacturer. 1.9 DELIVERY, STORAGE, AND HANDLING A. Deliver doors and frames palletized, wrapped, or crated to provide protection during transit and Project-site storage. Avoid the use of nonvented plastic. 1. Provide additional protection to prevent damage to factory-finished units. B. Deliver welded frames with two removable spreader bars across bottom of frames, tack welded to jambs and mullions. C. Store doors and frames vertically under cover at Project site with head up. Place on minimum 4-inch-high wood blocking. Provide minimum 1/4-inch space between each stacked door to permit air circulation. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 WOOD SOUND CONTROL DOOR ASSEMBLIES 08 3473.16 - 4 1.10 FIELD CONDITIONS A. Environmental Limitations: Do not deliver or install wood sound control doors until spaces are enclosed and weatherproof, wet work in spaces is complete and dry, and ambient temperature and humidity conditions are maintained at the levels indicated for Project when occupied for its intended use. 1.11 WARRANTY A. Special Warranty: Manufacturer agrees to repair or replace components of sound control door assemblies that fail in materials or workmanship within specified warranty period. 1. Failures include, but are not limited to, the following: a. Failure to meet sound rating requirements. b. Faulty operation of sound seals. c. Deterioration of metal frames, metal finishes, and other materials beyond normal use or weathering. d. Wood doors that are warped (bow, cup, or twist) more than 1/4 inch in a 42-by-84- inch section, or show telegraphing of core construction in face veneers exceeding 0.01 inch in a 3-inch span. 2. Warranty Period: Two years from date of Substantial Completion. PART 2 - PRODUCTS 2.1 LEED REQUIREMENTS A. Environmental Product Declaration (EPD): Provide products with Third Party Environmental Product Declaration (EPD) whenever available. B. Recycled Content: Provide products with the maximum recycled content possible. Minimum recycled content 20 percent. C. Certified Wood: Wood products that are not reused, salvaged, or recycled must be certified to the standards of the Forest Stewardship Council. 1. Provide products manufactured and extracted within 100 miles of the project site whenever possible. D. Health Product Declaration (HPD): Provide products with publically available material inventories whenever available. E. Composite Wood: Composite wood, as defined by the California Air Resources Board, Airborne Toxic Measure to Reduce Formaldehyde Emissions from Composite Wood Products Regulation, must be documented to have low formaldehyde emissions that meet the California Air Resources Board ATCM for formaldehyde requirements for ultra-low-emitting formaldehyde (ULEF) resins or no added formaldehyde resins. 2.2 PERFORMANCE REQUIREMENTS A. Sound Rating: Provide sound control door assemblies identical to those of assemblies tested as sound-retardant units by an acoustical testing agency, and have the following minimum rating: Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 WOOD SOUND CONTROL DOOR ASSEMBLIES 08 3473.16 - 5 1. STC Rating: As indicated on Drawings as calculated by ASTM E 413 when tested in an operable condition according to ASTM E 90. B. Fire-Rated Assemblies: Complying with NFPA 80 and listed and labeled by a qualified testing agency acceptable to authorities having jurisdiction for fire-protection ratings indicated, based on testing at positive pressure according to NFPA 252 or UL 10C. 1. Smoke- and Draft Control Assemblies: Provide an assembly with gaskets listed and labeled for smoke and draft control by a qualified testing agency acceptable to authorities having jurisdiction, based on testing according to UL 1784 and installed in compliance with NFPA 105. 2.3 WOOD SOUND CONTROL DOORS A. Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to the following or equal: 1. Ambico Limited. 2. Eggers Industries. 3. Krieger Specialty Products Company. 4. Overly Door Company. 5. Security Acoustics. B. Source Limitations: Obtain wood sound control door assemblies, including doors, frames, sound control seals, hinges, thresholds, and other items essential for sound control, from single source from single manufacturer. C. Composite Wood Products: Composite wood products shall demonstrate compliance with the ultra-low emitting formaldehyde (ULEF) or no added formaldehyde resins requirements based on California Air Resources Board ATCM requirements. D. Doors: Flush-design sound control doors, 1-3/4 inches thick; with manufacturer's standard sound-retardant core as required to provide STC and fire rating indicated. Fabricate according to WDMA 1.S.1-A. E. Materials: Comply with Section 08 1416 "Flush Wood Doors" for grade, faces, veneer matching, fabrication, finishing, and other requirements unless otherwise indicated. 1. Glazing: As required by sound control door assembly manufacturer to comply with sound control requirements. F. Finishes: Factory finish sound control wood doors to match doors specified in Section 08 1416 "Flush Wood Doors." 2.4 SOUND CONTROL FRAMES A. Frames: Fabricate sound control door frames with corners mitered, reinforced, and continuously welded the full depth and width of frame. Fabricate according to NAAMM- HMMA 865. 1. Weld frames according to NAAMM-HMMA 820. 2. Interior Frames: Fabricate from cold-rolled steel sheet unless otherwise indicated, 0.075- inch nominal thickness or thicker as required to provide STC rating indicated. 3. Hardware Reinforcement: Fabricate according to NAAMM-HMMA 865 of same material as face sheets. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 WOOD SOUND CONTROL DOOR ASSEMBLIES 08 3473.16 - 6 4. Head Reinforcement: Metallic-coated steel channel or angle stiffener, 0.108-inch nominal thickness. 5. Jamb Anchors: a. Masonry Type: Adjustable strap-and-stirrup or T-shaped anchors to suit frame size, not less than 0.064-inch nominal-thickness metallic-coated steel with corrugated or perforated straps not less than 2 inches wide by 10 inches long; or wire anchors not less than 0.156 inch thick. b. Stud-Wall Type: Designed to engage stud, welded to back of frames; not less than 0.048-inch nominal-thickness uncoated steel unless otherwise indicated. c. Postinstalled Expansion Type for In-Place Concrete or Masonry: Minimum 3/8- inch-diameter, metallic-coated steel bolts with expansion shields or inserts. Provide pipe spacer from frame to wall, with throat reinforcement plate, welded to frame at each anchor location. 6. Floor Anchors: Not less than 0.079-inch nominal-thickness metallic-coated steel, and as follows: a. Monolithic Concrete Slabs: Clip-type anchors, with two holes to receive fasteners. 7. Plaster Guards: Metallic-coated steel sheet, not less than 0.026 inch thick. B. Materials: 1. Cold-Rolled Steel Sheet: ASTM A 1008, Commercial Steel (CS), Type B, suitable for exposed applications. 2. Supports and Anchors: After fabricating, galvanize units to be built into exterior walls according to ASTM A 153, Class B. 3. Inserts, Bolts, and Fasteners: Provide items to be built into exterior walls, hot-dip galvanized according to ASTM A 153 or ASTM F 2329. 4. Powder-Actuated Fasteners in Concrete: Fastener system of type suitable for application indicated, fabricated from corrosion-resistant materials, with clips or other accessory devices for attaching sound control door frames of type indicated. 5. Mineral-Fiber Insulation: Insulation composed of rock-wool fibers, slag-wool fibers, or glass fibers. C. Metal Frame Finishes: 1. Prime Finish: Apply manufacturer's standard primer immediately after cleaning and pretreating. a. Shop Primer: Manufacturer's standard, fast-curing, lead- and chromate-free primer complying with SDI A250.10 acceptance criteria; recommended by primer manufacturer for substrate; compatible with substrate and field-applied coatings despite prolonged exposure. 2.5 HARDWARE A. Sound Control Door Hardware: Manufacturer's standard sound control system, including head and jamb seals, door bottoms, cam-lift hinges, and thresholds, as required by testing to achieve STC rating indicated. 1. Head and Jamb Seals: One of the following: a. Neoprene Compression Seals: One-piece units consisting of closed-cell sponge neoprene seal held in place by metal retainer, with retainer cover of same material as door frame; attached to door frame with concealed screws. b. Silicone Compression Seals: One-piece units consisting of silicone compression bulb and stabilizer flange; attached to door frame adhesively. c. Magnetic Seals: One-piece units consisting of closed-cell sponge neoprene seal and resiliently mounted magnet held in place by metal retainer, with retainer cover of same material as door frame; attached to door frame with concealed screws. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 WOOD SOUND CONTROL DOOR ASSEMBLIES 08 3473.16 - 7 2. Automatic Door Bottoms: Neoprene or silicone gasket, held in place by metal housing, that automatically drops to form seal when door is closed; mounted to bottom edge of door with screws. a. Mounting: Mortised or semimortised into bottom of door as required by testing to achieve STC rating indicated. 3. Cam-Lift Hinges: Full-mortise template type that raises door 1/2 inch when door is fully open; with hardened pin; fabricated from stainless steel. 4. Thresholds: Flat, smooth, unfluted type as recommended by manufacturer; fabricated from aluminum. a. Finish: Clear anodic finish. B. Other Hardware: Comply with requirements in Section 08 7100 "Door Hardware." 2.6 SOUND CONTROL ACCESSORIES A. Glazing: Manufacturers' standard factory-installed glazing. Comply with requirements in Section 08 0002 "Glass And Glazing." B. Grout: Comply with ASTM C 476, with a slump of not more than 4 inches as measured according to ASTM C 143. C. Corrosion-Resistant Coating: Cold-applied asphalt mastic, compounded for 15-mil dry film thickness per coat. Provide inert-type noncorrosive compound free of asbestos fibers, sulfur components, and other deleterious impurities. 2.7 FABRICATION A. Wood Sound Control Door Fabrication: Factory fit doors to suit frame-opening sizes indicated, with uniform clearances and bevels according to WDMA I.S.1-A unless otherwise indicated. Comply with final door hardware schedules and hardware templates. 1. Glazed Lites: Factory install glazed lites according to requirements of tested assembly to achieve STC rating indicated. 2. Locate door hardware as indicated, or if not indicated, according to DHI WDHS.3, "Recommended Locations for Architectural Hardware for Wood Flush Doors." a. Coordinate measurements of hardware mortises in steel frames to verify dimensions and alignment before factory machining. B. Sound Control Frame Fabrication: Fabricate sound control frames to be rigid and free of defects, warp, or buckle. Accurately form metal to required sizes and profiles, with minimum radius for thickness of metal. Where practical, fit and assemble units in manufacturer's plant. To ensure proper assembly at Project site, clearly identify work that cannot be permanently factory assembled before shipment. 1. Weld flush face joints continuously; grind, fill, dress, and make smooth, flush, and invisible. Where frames are fabricated in sections due to shipping or handling limitations, provide alignment plates or angles at each joint, fabricated from same thickness metal as frames. 2. Provide countersunk, flat- or oval-head exposed screws and bolts for exposed fasteners unless otherwise indicated. 3. Floor Anchors: Weld anchors to bottom of jambs and mullions with at least four spot welds per anchor. 4. Jamb Anchors: Provide number and spacing of anchors as follows: Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 WOOD SOUND CONTROL DOOR ASSEMBLIES 08 3473.16 - 8 a. Masonry Type: Locate anchors not more than 18 inches from top and bottom of frame. Space anchors not more than 32 inches o.c. and as follows: 1) Three anchors per jamb from 60 to 90 inches in height. 2) Four anchors per jamb from 90 to 96 inches in height. 3) Four anchors per jamb plus one additional anchor per jamb for each 24 inches, or fraction thereof, more than 96 inches in height. b. Stud-Wall Type: Locate anchors not more than 18 inches from top and bottom of frame. Space anchors not more than 32 inches o.c. and as follows: 1) Four anchors per jamb from 60 to 90 inches in height. 2) Five anchors per jamb from 90 to 96 inches in height. 3) Five anchors per jamb plus one additional anchor per jamb for each 24 inches, or fraction thereof, more than 96 inches in height. 4) Two anchors per head for frames more than 42 inches wide and mounted in metal-stud partitions. c. Postinstalled Expansion Type: Locate anchors not more than 6 inches from top and bottom of frame. Space anchors not more than 26 inches o.c. 5. Head Reinforcement: For grouted frames more than 48 inches wide, weld continuous head reinforcement to back of frame at head full width of opening. 6. Hardware Preparation: Factory prepare sound control frames to receive templated mortised hardware; include cutouts, reinforcement, mortising, drilling, and tapping. a. Reinforce frames to receive nontemplated mortised and surface-mounted door hardware. 7. Plaster Guards: Weld guards to frame at back of hardware cutouts and glazing-stop screw and sound control seal preparations to close off interior of openings in frames to be grouted. 8. Tolerances: Fabricate frames to tolerances indicated in NAAMM-HMMA 865. 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. B. Examine roughing-in for embedded and built-in anchors to verify actual locations of sound control door frame connections before frame installation. C. Proceed with installation only after unsatisfactory conditions have been corrected. 3.2 PREPARATION A. Remove welded-in shipping spreaders installed at factory. Restore exposed finish by grinding, filling, and dressing, as required to make repaired area smooth, flush, and invisible on exposed faces. B. Prior to installation, adjust and securely brace sound control door frames to the following tolerances: 1. Squareness: Plus or minus 1/16 inch, measured at door rabbet on a line 90 degrees from jamb perpendicular to frame head. 2. Alignment: Plus or minus 1/16 inch, measured at jambs on a horizontal line parallel to plane of wall. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 WOOD SOUND CONTROL DOOR ASSEMBLIES 08 3473.16 - 9 3. Twist: Plus or minus 1/16 inch, measured at opposite face corners of jambs on parallel lines, and perpendicular to plane of wall. 4. Plumbness: Plus or minus 1/16 inch, measured at jambs on a perpendicular line from head to floor. C. Drill and tap doors and frames to receive nontemplated mortised and surface-mounted door hardware. 3.3 INSTALLATION A. Install sound control door assemblies plumb, rigid, properly aligned, and securely fastened in place; comply with manufacturer's written instructions. B. Frames: Install sound control door frames in sizes and profiles indicated. 1. Set frames accurately in position; plumbed, aligned, and braced securely until permanent anchors are set. After wall construction is complete, remove temporary braces, leaving surfaces smooth and undamaged. a. Where frames are fabricated in sections due to shipping or handling limitations, field splice at approved locations by welding face joint continuously; grind, fill, and dress; make splice smooth, flush, and invisible on exposed faces. b. Install sound control frames with removable glazing stops located on secure side of opening. c. Remove temporary braces only after frames or bucks have been properly set and secured. d. Check squareness, twist, and plumbness of frames as walls are constructed. Shim as necessary to comply with installation tolerances. e. Apply corrosion-resistant coating to backs of frames to be filled with mortar, grout, and plaster containing antifreezing agents. 2. Floor Anchors: Provide floor anchors for each jamb and mullion that extends to floor, and secure with postinstalled expansion anchors. a. Floor anchors may be set with powder-actuated fasteners instead of postinstalled expansion anchors if so indicated and approved on Shop Drawings. 3. Metal-Stud Partitions: Fully fill frames with mineral-fiber insulation. 4. In-Place Concrete or Masonry Construction: Secure frames in place with postinstalled expansion anchors. Countersink anchors, and fill and make smooth, flush, and invisible on exposed faces. 5. In-Place Gypsum Board Partitions: Secure frames in place with postinstalled expansion anchors through floor anchors at each jamb. Countersink anchors, and fill and make smooth, flush, and invisible on exposed faces. 6. Grouted Frames: Solidly fill space between frames and substrate with grout. Take precautions, including bracing frames, to ensure that frames are not deformed or damaged by grout forces. 7. Installation Tolerances: Adjust sound control door frames for squareness, alignment, twist, and plumbness to the following tolerances: a. Squareness: Plus or minus 1/16 inch, measured at door rabbet on a line 90 degrees from jamb perpendicular to frame head. b. Alignment: Plus or minus 1/16 inch, measured at jambs on a horizontal line parallel to plane of wall. c. Twist: Plus or minus 1/16 inch, measured at opposite face corners of jambs on parallel lines, and perpendicular to plane of wall. d. Plumbness: Plus or minus 1/16 inch, measured at jambs on a perpendicular line from head to floor. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 WOOD SOUND CONTROL DOOR ASSEMBLIES 08 3473.16 - 10 C. Doors: Fit sound control doors accurately in frames, within clearances indicated below. Shim as necessary. 1. Non-Fire-Rated Doors: Fit non-fire-rated doors accurately in frames with the following clearances: a. Jambs: 1/8 inch. b. Head with Cam-Lift Hinges: As required by manufacturer, but not more than 3/8 inch. c. Sill: Manufacturer's standard. d. Between Edges of Pairs of Doors: 1/8 inch. D. Sound Control Seals: Where seals have been factory prefit and preinstalled and subsequently removed for shipping, reinstall seals and adjust according to manufacturer's written instructions. E. Cam-Lift Hinges: Install hinges according to manufacturer's written instructions. F. Thresholds: Set thresholds in full bed of sealant complying with requirements in Section 07 9200 "Joint Sealants." G. Glazing: Comply with installation requirements in Section 08 0002 "Glass And Glazing" and with sound control door assembly manufacturer's written instructions. 1. Secure stops with countersunk flat- or oval-head machine screws spaced uniformly not more than 9 inches o.c. and not more than 2 inches o.c. from each corner. 3.4 FIELD QUALITY CONTROL A. Testing Agency: Owner will engage a qualified testing agency to perform tests and inspections. B. Testing Services: Perform testing for verification that assembly complies with STC rating requirements. 1. Acoustical testing and inspecting agency shall select one sound control door at random from sound control door assemblies that are completely installed for testing. 2. Field tests shall be conducted according to ASTM E 336, with results calculated according to ASTM E 413. Acceptable field NIC values shall be within 5 dB of laboratory STC values. 3. Inspection Report: Acoustical testing agency shall submit report in writing to Architect and Contractor within 24 hours after testing. 4. If tested door fails, replace or rework all sound control door assemblies to bring them into compliance at Contractor's expense. a. Additional testing and inspecting at Contractor's expense will be performed to determine if replaced or additional work complies with specified requirements. C. Prepare test and inspection reports. 3.5 ADJUSTING AND CLEANING A. Final Adjustments: Check and adjust seals, door bottoms, and other sound control hardware items right before final inspection. Leave work in complete and proper operating condition. B. Remove and replace defective work, including defective or damaged sound seals and doors and frames that are warped, bowed, or otherwise unacceptable. 1. Adjust gaskets, gasket retainers, and retainer covers to provide contact required to achieve STC rating. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 WOOD SOUND CONTROL DOOR ASSEMBLIES 08 3473.16 - 11 C. Prime-Coat Touchup: Immediately after erection of frames, sand smooth rusted or damaged areas of prime coat and apply touchup of compatible, rust-inhibitive, air-drying primer. END OF SECTION (THIS PAGE IS BLANK)