Loading...
HomeMy WebLinkAbout06 10 11 Wood Balconies with Liquid -Applied Deck CoatingTHE KENT 06 10 11 - THE KENT Issue Date 05.09.18 WOOD BALCONIES WITH LIQUID-APPLIED DECK COATING THE KENT SECTION 06 10 11 – WOOD BALCONIES WITH LIQUID-APPLIED DECK COATING PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. 1.2 SUMMARY A. Section Includes: 1. Balcony assembly with: a. Framing with dimensional lumber and exterior wood trim. b. Decorative metal railing. c. Liquid-applied deck coating. d. Plastic fabrication trim. B. Refer to Drawings for location of wood balconies requiring pedestrian traffic waterproofing membrane instead of wood balcony decking. 1.3 DEFINITIONS A. Dimension Lumber: Lumber of 2 inches nominal size or greater but less than 5 inches nominal size in least dimension. B. Exposed Framing: Framing not concealed by other construction. 1.4 ACTION SUBMITTALS A. Product Data: For each type of process and factory-fabricated product. Indicate component materials and dimensions and include construction and application details. 1. Include data for wood-preservative treatment from chemical treatment manufacturer and certification by treating plant that treated materials comply with requirements. Indicate type of preservative used and net amount of preservative retained. 2. Include data for fire-retardant treatment from chemical treatment manufacturer and certification by treating plant that treated materials comply with requirements. Include physical properties of treated materials based on testing by a qualified independent testing agency. 3. For fire-retardant treatments, include physical properties of treated lumber both before and after exposure to elevated temperatures, based on testing by a qualified independent testing agency according to ASTM D 5664. 4. For products receiving a waterborne treatment, include statement that moisture content of treated materials was reduced to levels specified before shipment to Project site. B. Fastener Patterns: Full-size templates for fasteners in exposed framing. THE KENT 06 10 11 - THE KENT Issue Date 05.09.18 WOOD BALCONIES WITH LIQUID-APPLIED DECK COATING THE KENT 1.5 INFORMATIONAL SUBMITTALS A. Material Certificates: For dimension lumber specified to comply with minimum allowable unit stresses. Indicate species and grade selected for each use and design values approved by the ALSC Board of Review. B. Evaluation Reports: For the following, from ICC-ES: 1. Wood-preservative-treated wood. 2. Fire-retardant-treated wood. 1.6 QUALITY ASSURANCE A. Testing Agency Qualifications: For testing agency providing classification marking for fire- retardant treated material, an inspection agency acceptable to authorities having jurisdiction that periodically performs inspections to verify that the material bearing the classification marking is representative of the material tested. 1.7 DELIVERY, STORAGE, AND HANDLING A. Stack wood products flat with spacers beneath and between each bundle to provide air circulation. Protect wood products from weather by covering with waterproof sheeting, securely anchored. Provide for air circulation around stacks and under coverings. PART 2 - PRODUCTS 2.1 WOOD PRODUCTS, GENERAL A. Lumber: DOC PS 20 and applicable rules of grading agencies indicated. If no grading agency is indicated, comply with the applicable rules of any rules-writing agency certified by the ALSC Board of Review. Grade lumber by an agency certified by the ALSC Board of Review to inspect and grade lumber under the rules indicated. 1. Factory mark each piece of lumber with grade stamp of grading agency. 2. For exposed lumber indicated to receive a stained or natural finish, mark grade stamp on end or back of each piece or omit grade stamp and provide certificates of grade compliance issued by grading agency. 3. Dress lumber, S4S, unless otherwise indicated. B. Maximum Moisture Content of Lumber: 15 percent unless otherwise indicated. 2.2 WOOD-PRESERVATIVE-TREATED LUMBER A. Preservative Treatment by Pressure Process: AWPA U1; Use Category UC2 for interior construction not in contact with ground, Use Category UC3b for exterior construction not in contact with ground, and Use Category UC4a for items in contact with ground. 1. Preservative Chemicals: Acceptable to authorities having jurisdiction and containing no arsenic or chromium. Do not use inorganic boron (SBX) for sill plates. THE KENT 06 10 11 - THE KENT Issue Date 05.09.18 WOOD BALCONIES WITH LIQUID-APPLIED DECK COATING THE KENT 2. For exposed items indicated to receive a stained or natural finish, chemical formulations shall not require incising, contain colorants, bleed through, or otherwise adversely affect finishes. B. Kiln-dry lumber after treatment to a maximum moisture content of 19 percent. Do not use material that is warped or that does not comply with requirements for untreated material. C. Mark lumber with treatment quality mark of an inspection agency approved by the ALSC Board of Review. 1. For exposed lumber indicated to receive a stained or natural finish, mark end or back of each piece or omit marking and provide certificates of treatment compliance issued by inspection agency. D. Application: Treat all exterior rough carpentry unless otherwise indicated. 2.3 FIRE-RETARDANT-TREATED MATERIALS A. General: Where fire-retardant-treated materials are indicated, materials shall comply with requirements in this article, that are acceptable to authorities having jurisdiction, and with fire- test-response characteristics specified as determined by testing identical products per test method indicated by a qualified testing agency. B. Fire-Retardant-Treated Lumber and Plywood by Pressure Process: Products with a flame- spread index of 25 or less when tested according to ASTM E 84, and with no evidence of significant progressive combustion when the test is extended an additional 20 minutes, and with the flame front not extending more than 10.5 feet beyond the centerline of the burners at any time during the test. 1. Treatment shall not promote corrosion of metal fasteners. 2. Exterior Type: Treated materials shall comply with requirements specified above for fire- retardant-treated lumber and plywood by pressure process after being subjected to accelerated weathering according to ASTM D 2898. Use for exterior locations and where indicated. C. Kiln-dry lumber after treatment to maximum moisture content of 19 percent. D. Identify fire-retardant-treated wood with appropriate classification marking of qualified testing agency. 1. For exposed lumber indicated to receive a stained or natural finish, mark end or back of each piece or omit marking and provide certificates of treatment compliance issued by testing agency. E. Application: Treat items indicated on Drawings. 2.4 DIMENSION LUMBER FRAMING A. Exposed Cantilevered Joists and Other Framing: Structural No. 1 grade. 1. Species: a. Hem-fir (north); NLGA. b. Douglas fir-larch; WCLIB or WWPA. c. Spruce-pine-fir; NLGA. THE KENT 06 10 11 - THE KENT Issue Date 05.09.18 WOOD BALCONIES WITH LIQUID-APPLIED DECK COATING THE KENT d. Douglas fir-south; WWPA. e. Hem-fir; WCLIB or WWPA. f. Douglas fir-larch (north); NLGA. g. Spruce-pine-fir (south); NeLMA, WCLIB, or WWPA. B. Exposed Framing: Hand-select material for uniformity of appearance and freedom from characteristics, on exposed surfaces and edges, that would impair finish appearance, including decay, honeycomb, knot-holes, shake, splits, torn grain, and wane. 1. Species and Grade: As indicated above for load-bearing construction of same type. 2.5 MISCELLANEOUS LUMBER A. General: Provide miscellaneous lumber indicated and lumber for support or attachment of other construction, including the following: 1. Blocking. 2. Nailers. B. Dimension Lumber Items: Construction or No. 2 grade lumber of any of the following species: 1. Hem-fir (north); NLGA. 2. Hem-fir; WCLIB or WWPA. C. Concealed Boards: 15 percent maximum moisture content and any of the following species and grades: 1. Hem-fir or hem-fir (north); Construction or No. 2 Common grade; NLGA, WCLIB, or WWPA. D. For blocking not used for attachment of other construction, Utility, Stud, or No. 3 grade lumber of any species may be used provided that it is cut and selected to eliminate defects that will interfere with its attachment and purpose. E. For blocking and nailers used for attachment of other construction, select and cut lumber to eliminate knots and other defects that will interfere with attachment of other work. 2.6 FASTENERS A. General: Fasteners shall be of size and type indicated and shall comply with requirements specified in this article for material and manufacture. 1. Where rough carpentry is exposed to weather, in ground contact, pressure-preservative treated, or in area of high relative humidity, provide fasteners with hot-dip zinc coating complying with ASTM A 153. B. Nails, Brads, and Staples: ASTM F 1667. C. Screws for Fastening Plywood Balcony Substrate to Wood Framing: ASTM C 1002. D. Power-Driven Fasteners: Fastener systems with an evaluation report acceptable to authorities having jurisdiction, based on ICC-ES AC70. THE KENT 06 10 11 - THE KENT Issue Date 05.09.18 WOOD BALCONIES WITH LIQUID-APPLIED DECK COATING THE KENT 2.7 METAL FRAMING ANCHORS 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. Simpson Strong-Tie. 2. Tamlyn. 3. United Steel Products. B. Allowable design loads, as published by manufacturer, shall meet or exceed those indicated. Manufacturer's published values shall be determined from empirical data or by rational engineering analysis and demonstrated by comprehensive testing performed by a qualified independent testing agency. Framing anchors shall be punched for fasteners adequate to withstand same loads as framing anchors. C. Galvanized-Steel Sheet: Hot-dip, zinc-coated steel sheet complying with ASTM A 653, G60 coating designation. 1. Use for interior locations unless otherwise indicated. D. Hot-Dip, Heavy-Galvanized Steel Sheet: ASTM A 653; structural steel (SS), high-strength low- alloy steel Type A (HSLAS Type A), or high-strength low-alloy steel Type B (HSLAS Type B); G185 coating designation; and not less than 0.036 inch thick. 1. Use for wood-preservative-treated lumber and where indicated. E. Stainless-Steel Sheet: ASTM A 666, Type 304. 1. Use for exterior locations and where indicated. 2.8 MISCELLANEOUS MATERIALS A. Sill-Sealer Gaskets: Closed-cell neoprene foam, 1/4 inch thick, selected from manufacturer's standard widths to suit width of sill members indicated. B. Flexible Flashing: Refer to 04 20 00 Unit Masonry.” C. Water-Repellent Preservative: NWWDA-tested and -accepted formulation containing 3-iodo-2- propynyl butyl carbamate, combined with an insecticide containing chloropyrifos as its active ingredient. 2.9 EXTERIOR WOOD TRIM A. Refer to Specification Section 06 20 13 “Exterior Finish Carpentry.” 2.10 PLWWOOD BALCONY SUBSTRATE A. Plywood Balcony Substrate: Exterior grade AAA/C or better, single-floor panels or sheathing. 1. Span Rating: Not less than 16. 2. Nominal Thickness: Not less than 3/4 inch. THE KENT 06 10 11 - THE KENT Issue Date 05.09.18 WOOD BALCONIES WITH LIQUID-APPLIED DECK COATING THE KENT 2.11 BALCONY RAILINGS A. Refer to Specification Section 05 73 00 “Decorative Metal Railings.” 2.12 BALCONY WATERPROOFING MEMBRANE A. Refer to Specification Section 07 18 13 “Pedestrian Traffic Waterproofing Membrane.” 2.13 BALCONY PLASTIC FABRICATION TRIM A. Refer to Specification Section 06 60 00 “Plastic Fabrication.” PART 3 - EXECUTION 3.1 INSTALLATION, GENERAL A. Framing Standard: Comply with AF&PA's WCD 1, "Details for Conventional Wood Frame Construction," unless otherwise indicated. B. Set rough carpentry to required levels and lines, with members plumb, true to line, cut, and fitted. Fit rough carpentry accurately to other construction. Locate nailers, blocking and similar supports to comply with requirements for attaching other construction. C. Install sill sealer gasket to form continuous seal between sill plates and foundation walls. D. Do not splice structural members between supports unless otherwise indicated. E. Provide blocking and framing as indicated and as required to support facing materials, fixtures, specialty items, and trim. F. Provide fire blocking in furred spaces, stud spaces, and other concealed cavities as indicated and as follows: 1. Fire block furred spaces of walls, at each floor level, at ceiling, and at not more than 96 inches o.c. with solid wood blocking or noncombustible materials accurately fitted to close furred spaces. 2. Fire block concealed spaces of wood-framed walls and partitions at each floor level, at ceiling line of top story, and at not more than 96 inches o.c. Where fire blocking is not inherent in framing system used, provide closely fitted solid wood blocks of same width as framing members and 2-inch nominal thickness. G. Sort and select lumber so that natural characteristics do not interfere with installation or with fastening other materials to lumber. Do not use materials with defects that interfere with function of member or pieces that are too small to use with minimum number of joints or optimum joint arrangement. H. Comply with AWPA M4 for applying field treatment to cut surfaces of preservative-treated lumber. 1. Use inorganic boron for items that are continuously protected from liquid water. THE KENT 06 10 11 - THE KENT Issue Date 05.09.18 WOOD BALCONIES WITH LIQUID-APPLIED DECK COATING THE KENT 2. Use copper naphthenate for items not continuously protected from liquid water. I. Where wood-preservative-treated lumber is installed adjacent to metal decking, install continuous flexible flashing separator between wood and metal decking. J. Securely attach rough carpentry work to substrate by anchoring and fastening as indicated, complying with the following: 1. Table 2304.9.1, "Fastening Schedule," in ICC's International Building Code (IBC). 2. ICC-ES evaluation report for fastener. K. Use steel common nails unless otherwise indicated. Select fasteners of size that will not fully penetrate members where opposite side will be exposed to view or will receive finish materials. Make tight connections between members. Install fasteners without splitting wood. Drive nails snug but do not countersink nail heads unless otherwise indicated. L. For exposed work, arrange fasteners in straight rows parallel with edges of members, with fasteners evenly spaced, and with adjacent rows staggered. M. Coordinate sheathing and wood structural panel 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. N. Do not bridge building expansion joints; cut and space edges of panels to match spacing of structural support elements. O. Coordinate sheathing installation with installation of materials installed over sheathing so sheathing is not exposed to precipitation or left exposed at end of the workday when rain is forecast. 3.2 WOOD STRUCTURAL PANEL INSTALLATION A. General: Comply with applicable recommendations in APA Form No. E30, "Engineered Wood Construction Guide," for types of structural-use panels and applications indicated. B. Fastening Methods: Fasten panels as indicated below: 1. Wood Balcony Substrate: a. Glue and nail to wood framing. b. Screw to cold-formed metal framing. c. Space panels 1/8 inch apart at edges and ends. 3.3 WOOD BLOCKING, AND NAILER INSTALLATION A. Install where indicated and where required for attaching other work. Form to shapes indicated and cut as required for true line and level of attached work. Coordinate locations with other work involved. B. Attach items to substrates to support applied loading. Recess bolts and nuts flush with surfaces unless otherwise indicated. THE KENT 06 10 11 - THE KENT Issue Date 05.09.18 WOOD BALCONIES WITH LIQUID-APPLIED DECK COATING THE KENT 3.4 BALCONY JOIST FRAMING INSTALLATION A. General: Install joists with crown edge up and support ends of each member with not less than 1-1/2 inches of bearing on wood or metal, or 3 inches on masonry. Attach floor joists as follows: 1. Where supported on wood members, by toe nailing or by using metal framing anchors. 2. Where framed into wood supporting members, by using wood ledgers as indicated or, if not indicated, by using metal joist hangers. B. Fire Cuts: At joists built into masonry, bevel cut ends 3 inches and do not embed more than 4 inches. C. Frame openings with headers and trimmers supported by metal joist hangers; double headers and trimmers where span of header exceeds 48 inches. D. Do not notch in middle third of joists; limit notches to one-sixth depth of joist, one-third at ends. Do not bore holes larger than one-third depth of joist; do not locate closer than 2 inches from top or bottom. E. Provide solid blocking of 2-inch nominal thickness by depth of joist at ends of joists unless nailed to header or band. F. Lap members framing from opposite sides of beams, girders, or partitions not less than 4 inches or securely tie opposing members together. Provide solid blocking of 2-inch nominal thickness by depth of joist over supports. G. Anchor members paralleling masonry with 1/4-by-1-1/4-inch metal strap anchors spaced not more than 96 inches o.c., extending over and fastening to three joists. Embed anchors at least 4 inches into grouted masonry with ends bent at right angles and extending 4 inches beyond bend. H. Provide solid blocking between joists under jamb studs for openings. I. Under non-load-bearing partitions, provide double joists separated by solid blocking equal to depth of studs above. 1. Provide triple joists separated as above, under partitions receiving ceramic tile and similar heavy finishes or fixtures. J. Provide bridging of type indicated below, at intervals of 96 inches o.c., between joists. 1. Diagonal wood bridging formed from bevel-cut, 1-by-3-inch nominal-size lumber, double- crossed and nailed at both ends to joists. 2. Steel bridging installed to comply with bridging manufacturer's written instructions. 3.5 PROTECTION A. Protect wood that has been treated with inorganic boron (SBX) from weather. If, despite protection, inorganic boron-treated wood becomes wet, apply EPA-registered borate treatment. Apply borate solution by spraying to comply with EPA-registered label. END OF SECTION 06 10 11