1515 75TH ST SW THE SEATTLE TIMES 2018-01-02 MF Import

Code G• oliance Form Envelope - Generai meefwrenrvnaa 1311 Insulation 1311.1 Installetion Requirements: At insulation materials shal be installed according to the. manufacturers instructions to achieve proper densities, maintain clearances. and maintain union R-values To the maxmun extent possible. insulation shall extend over the full compoterx area to the mended R- value 1311.2 Roof/Calllu zuladon:Open-down cr poured loose fit insulation may b d in attic spaces where the slope of the ceiling is not more than 3112 and there is at least thirty inchris of clear defiance from the top of the bottom chord of the truss or ceiling lord to the undersy e of the Sheathig at the roof ridge When eave vents are installed, baffling of the vent openings shag be provided so as to deflect the incoming air above the surface cl the insulation Where lighting hxtums are recessed into a suspended of exposed grid cerung, the roollcel- assembly shag be insulated in a location other than directly on the suspended ceiling Exception: Type IC rated reonssed lighting fixtures Where installed in wood framing, laced bat insulation shag be face stapled 1311.3 Well Insulation: Exterior wall cavities isolated during framing shall be fully insulated to the levels of the surrounding walls When installed in wood training. laced batl insulation shag be face stapled Above grade exterior insulation shall be protected 1311.4 Floor Insulation: Floor insulation shag be installed in a permanent manner in substi�retal contact with the surface being insulated Insulation supports shall be installed so spacing a not more than twenty-four inches on center Installed insulation shall not blot* the airflow, through foundation vents 1311.E Slab-OnGmde Floor: Slab-on-gradeinsulation installed inside the foundation wal shall extend downward from the lop of the slab a mnmum distance of twenty4our inches or to the top of the footing, whicheve is less Insulation installed outside the foundation shall extend downward a minimum Of twenty-four inches or to the frostn s, whlchever is greater Above grade insulation shall be protected Exception: For monolithic slabs, the insulation shag extend downward train the top of the slab to the bottom of the tooting 1311.6 Radiant Flu me (on or below grade): Slab -tin -grade insulation shall extend downward front the top of the slab a minimum distance t 1 thirty-six inches or downward to the top of the footing ant' hoilzbrlal for an aggregate of not less than thirty-six inches If required by the building official where sal conditions warrant such insulation, the entire area of a radiant floor shag be Ihermaly isolated from the sal Whero a sot gas control system Is provided below the radant floor, which results in increased convective now below the radiant floor. it a radiant floor shall be thermally Ischled from the stib-floor gravel layer 1312 Gluing and Doors 1312.1 Standard Procedure for Determination of Gluing and Door 11-Factors: 11-factors for glazing and doors shall be datem ned certified and labeled In accordance with Standard RS-31 by a certified independent agency licensed by the National Fenestration Rating Council (NFRC) Compliance shot be based on the Residential or the Nonresidential Model Sae rM Product samples usrd fir U-faclor determinations shall be p 'uction kite units a represe.xabve of units as purchased by the consumer or contractw unlabeled glazing and doors shag be assigned the default Ufador in Section 2006 1312.2 Solar Heat Gs!n Ctaelaciem and Sharing Coefficient; Sitar Heat Gan Coeffiaenl (SHGC), shall be doe" ined certified and Iabeed in accordance with the National Fenestration Rating :nuns l (NFRC) Standard by a certifiedindependent agency, loensed by the NFRC Exception: Shading coefficients (SC) shall be an acceptable alemate for conpliance with solar heat gin coefficient requirements Shading coefficients for glazing shall be taken Iran Chapter 27 of Standard RS-27 or from the manufacturers test data 1313 Moisture Control 1313.1 Vapor Retarders: Vapor retarders shall be installed on the warm side In winter) of insulation as required by this section Exception: Vapor retarder Installed with not more than 113 of the nominal R value between it and the conditioned space 1313.2 RooffCeilirrg Assemblies: Rool/caling assemblies where the ventilation space above the insulation is -ess than an average of twelve inches shall be provided with a vapor retarder Rndlceing assemblies without a vented airspace, where neither the roof deck nor the roof structure aremade of wood, shall provide a continuous vapor retarder with taped seams Exception: Vapor retarders need not be provided where all of the insulation is installed between the roof membrane and the structural rod deck 1313.3 Walls:Walls separating condiaonedspace from unconditioned space shall be provided with a vapor retardar 1313.4 Floors: Flows separating Conditioned space rom unconditioned space shall be provided with a vapor re.arder 1313.6 Crawl Spaces: A ground cover of six mil (0 006 uch thick) black polyethylene or approved equal shall be laid over the ground within crawl spaces The ground cover shall be overlapped twebe inches minimum aftheloints and shall extend o the foundation wall E. teption: The ground cover maybe omitted in crawl spaces if the crawl space has a conwate slab floor wet a mmmum thickness of three and one -hall inches 1314 Air Leakage 1314.1 Building Envelope: The requirements of this sewn shall apply to budding elements separating conditioned from unconditioned spaces Exterior pints around windows and doorframes. openings between walls and foundation between walls and roof and wal panels, openings at penetrations of utility services through walls, flowsand rootand all other openings in the building envelope shall be sealed. caulked. gasketed. or weatherstdpped to limit or leakage 1314.2 Gluing and Doors: Doors and operable glazing separating conditioned from unconditioned space shall be weathersapped Fixed windows shall be bgN litim with glass retained by stops with sealant or caullang all around Exception: Openings that are required to be fire re ststant 1314.3 Building Assembles Used as Ducts or Plenums Building assent U,es used as duds or plenums shell be sealed. caulked, and gasketed to Intl at leakage �j