1310 SE EVERETT MALL WAY Geotech Report 2022-10-25

2006 Wa� ton State Nonresidential Energy Code Comp e Form - . . � • • 2006 Washington State Nonresidential Energy Code Compliance Forms Revised July 2007 Envelope - General Requirement 1311 Insulation 1311.1 Installation Requirements: All insulation materials 1312.2 Solar Heat Gain Coefficient and Shading shall be installed according to the manufacturer's Coefficient: Solar Heat Gain Coefficient(SHGC), shall be instructions to achieve proper densities, maintain clearances and maintain uniform R-values.To the maximum extent determined, certified and labeled in accordance with the possible, insulation shall extend over the full component National Fenestration Rating Council (NFRC) Standard by a area to the intended R-value. certified, independent agency, licensed by the NFRC. EXCEPTION: Shading coefficients(SC)shall be an 1311.2 Roof/Ceiling Insulation: Open-blown or poured acceptable alternate ior compliance with solar heat gain loose-fill insulation may be used in attiC spaCes where the coefficient requirements. Shading coefficients for glazing slope of the ceiling is not more than 3/12 and there is at shall be taken from Chapter 31 of Standard RS-1 or from the least 30 inches of clear distance from the top of the bottom manufacturer's test data. chord of the truss or ceiling joist to the underside of the 1313 Moisture Control sheathing at the roof ridge. When eave vents are installed, 1313.1 Vapor Retarders: Vapor retarders shall be installed baffling of the vent openings shall be provided so as to deflect the incoming air above the surface of the insulation. on the warm side (in winter) of insulation as required by this Where lighting fixtures are recessed into a suspended or section. exposed grid ceiling, the roof/ceiling assembly shall be EXCEPTION: Vapor retarder installed with not more than 1/3 insulated in a location other than directly on the suspended of the nominal R-value between it and the conditioned space. ceiling. 1313.2 Roof/Ceiling Assemblies: Roof/ceiling assemblies EXCEPTION: Type IC rated recessed lighting fixtures. Where the ventilation space above the insulation is less than an average of 12 inches shall be provided with a vapor retarder. Where installed in wood framing, faced batt insulation (For enclosed attics and enclosed rafter spaces, see Section shall be face stapled. 1203.2 of the International Building Code.) Roof/ceiling 1311.3 Wall Insulation: Exterior wall cavities isolated assemblies without a vented airspace, allowed only where during framing shall be fully insulated to the levels of the neither the roof deck nor the roof structure are made of wood, surrounding walls. When installed in wood framing,faced shall provide a continuous vapor retarder with taped seams. batt insulation shall be face stapled. EXCEPTION: Vapor retarders need not be provided where all Above grade exterior insulation shall be protected. of the insulation is installed between the roof inembrane and the 1311.4 Floor Insulation: Floor insulation shall be installed structural roof deck. in a permanent manner in substantial contact with the 1313.3 Walls: Walls separating conditioned space from surface being insulated. Insulation supports shall be unconditioned space shall be provided with a vapor retarder. installed so spacing is not more than 24 inches on center. 1313.4 Floors: Floors separating conditioned space from Installed insulation shall not block the airflow through unconditioned space shall be provided with a vapor retarder. foundation vents. 1313.5 Crawlspaces: A ground cover of six mil (0.006 inch 1311.5 Slab-On-Grade Floor: Slab-on-grade insulation thick) black polyethylene or approved equal shall be laid over installed inside the foundation wall shall extend downward the ground within crawlspaces.The ground cover shall be from the top of the slab a minimum distance of 24 inches or overlapped 12 inches minimum at the joints and shall extend to to the top of the footing, whichever is less. Insulation the foundation wall. installed outside the foundation shall extend downward a minimum of 24 inches or to the frost line,whichever is EXCEPTION: The ground cover may be omitted in crawl greater. Above grade insulation shall be protected. spaces if the crawlspace has a concrete slab floor with a minimum thickness of 3-1/2 inches. EXCEPTION: For monolithic slabs,the insulation shall extend downward from the top of the slab to the bottom of the 1314 Air Leakage footing. 1314.1 Building Envelope: The requirements of this section 1311.6 Radiant Floors (on or below grade): Slab-on- shall apply to building elements separating conditioned from grade insulation shall extend downward from the top of the unconditioned spaces. Exterior joints around windows and slab a minimum distance of 36 inches or downward to the door frames, openings between walls and foundation, between top of the footing and horizontal for an aggregate of not less walls and roof and wall panels; openings at penetrations of than 36 inches. utility services through walls,floors and roofs; and all other If required by the building official where soil conditions openings in the building envelope shall be sealed, caulked, warrant such insulation, the entire area of a radiant floor gasketed or weatherstripped to limit air leakage. shall be thermally isolated from the soil. Where a soil gas 1314.2 Glazing and Doors: Doors and operable glazing control system is provided below the radiant floor,which separating conditioned from unconditioned space shall be results in increased convective flow below the radiant floor, weatherstripped. Fixed windows shall be tight fitting with glass the radiant floor shall be thermally isolated from the sub- retained by stops with sealant or caulking all around. floor gravel layer. EXCEPTION: Openings that are required to be fire resistant. 1312 Glazing and Doors 1314.3 Building Assemblies Used as Ducts or Plenums: 1312.1 Standard Procedure for Determination of Glazing Building assemblies used as ducts or plenums shall be sealed, and Door U-Factors: U-factors for glazing and doors shall caulked and gasketed to limit air leakage. be determined, certified and labeled in accordance with 1314.4 Recessed Lighting Fixtures: When installed in the Standard RS-31 by a certified independent agency licensed by the National Fenestration Rating Council (NFRC). building envelope, recessed lighting fixtures shall by Type IC Compliance shall be based on the Residential or the rated, and certified under ASTM E283 to have no more than Nonresidential Model Size. Product samples used for U- 2-0 cfm air movement from the conditioned space to the ceiling factor determinations shall be production line units or cavity�. The lighting fixture shall be tested at 75 Pascals or 1.57 representative of units as purchased by the consumer or Ibs/ft pressure difference and have a label attached, showing contractor. Unlabeled glazing and doors shall be assigned compliance with this test method. Recessed lighting fixtures the default U-factor in Table 10-6. shall be installed with a gasket or caulk between the fixture and ceiling to prevent air leakage. � � i