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Home My WebLink AboutC_ResidentialEnergyCodeChecklist_190430_V1H:\CED\Data\Forms-Templates\Self-Help Handouts\Building\2015WSECRes.doc Rev 8/2016 CITY OF RENTON Development Services Division 1055 South Grady Way, Renton WA 98057 (425) 430-7200 www.rentonwa.gov 2015 WSEC RESIDENTIAL COMPLIANCE CHECKLIST THIS CHECKLIST MUST BE COMPLETED FOR ALL SINGLE FAMILY, TOWNHOME, RESIDENTIAL MULTIFAMILY 3 STORIES OR LESS AND DUPLEX NEW CONSTRUCTION AND ADDITIONS. THIS CHECKLIST ALONG WITH THE APPROVED PLANS MUST BE KEPT ON THE JOB AT ALL TIMES. INSPECTORS CANNOT PERFORM INSPECTIONS WITHOUT IT. 1. Responsibility for information: Although staff members will help you with general questions about completing this checklist, it is ultimately your responsibility to provide detailed information about heating systems, glazing, insulation, and other building specifications. 2. Page 1 Prescriptive Requirements – all of these requirements must be met 3. Page 2 & 3 Credit Options: Select credit options. Besides meeting the basic requirements you must also include credits in your home design. Since this checklist will be evaluated for completeness and accuracy, you can avoid unnecessary permit delays by carefully providing all required information EFFECTIVE 7/1/2016 ALL RESIDENTIAL OCCUPANCIES ALL FUEL TYPES MINDY'S ESTATES LOT 1 PR13000037 B19003029 V1 RECEIVED 06/06/2019 aalexander BUILDING DIVISION APPROVEDBUILDING DIVISION THIS SET OF APPROVED PLANS MUST BE ON THE JOB AT ALLTIMES DURING CONSTRUCTION. THIS BUILDING IS NOT TO BEOCCUPIED UNTIL AFTER FINAL INSPECTION BY THE RENTONBUILDING DIVISION AND RECEIPT OF CERTIFICATE OFOCCUPANCY. APPROVAL SHALL NOT BE CONSTRUED AS THE AUTHORITY TOVIOLATE OR CANCEL ANY PROVISIONS OF CODES, ORDINANCES,OR OTHER REGULATIONS ENFORCED BY THIS CITY. DATE: 07/16/2019 H:\CED\Data\Forms-Templates\Self-Help Handouts\Building\2015WSECRes.doc Rev 8/2016 PRESCRIPTIVE REQUIREMENTS CEILINGS: WITH ATTICS R-49 VAULTED AND RASIED HIPS R-38 WALLS: ABOVE GRADE R-21 INT - R-10 Rigid Insulation Required at Headers BELOW GRADE INTERIOR R-21 TB - R-5 Thermal Break Required between slab and foundation wall Or RIGID EXTERIOR R-15 TB (Preferred method for moisture control) R-10 TB (Preferred method for moisture control) No vapor barriers required or allowed on below grade walls TB - R-5 Thermal Break Required between slab and foundation wall FLOOR: R-30 SLAB ON GRADE: BELOW GRADE SLAB R-10 Exterior – from top of slab - 24” vertically - Protected from sun and pests Interior – from top of slab - 24” vertically or horizontally – 2” nailer allowed R-5 Thermal Break Required between slab and foundation wall GLAZING MAX: % OF FLOOR Unlimited VERTICAL .30 U-FACTOR- OVERHEAD (Skylights) .50 DOOR U-VALUE .30 R-values are for wood frame assemblies only H:\CED\Data\Forms-Templates\Self-Help Handouts\Building\2015WSECRes.doc Rev 8/2016 CHAPTER 9 CREDITS Additions < 500 sq ft are required to have .5 credit Small dwelling units < 1500 sq ft and additions between 500 and 1500 sq ft are required to have 1.5 credits Medium dwelling unit 1500 sq ft to 4999 sq ft are required to have 3.5 credits Large dwelling unit greater than 5000 sq ft are required to have 4.5 credits EVERY OPTION YOU CHOOSE MUST BE SHOWN ON PLANS OPTIONS CREDITS 1a EFFICIENT ENVELOPE .5 U-value =.28, Floor R-38, full slab insulation 1b EFFICIENT ENVELOPE 1.0 Floor R-38, U-value - .25, Walls R-21 + R-4 foam, full slab 1c EFFICIENT ENVELOPE 2.0 Floor R-38, U-value - .22, Walls R-21 + R-12 foam, full slab 1d EFFICIENT ENVELOPE .5 U-value - .24 You may not use 1a, 1b, or 1c 2a AIR LEAKAGE CONTROL .5 Air leakage to 3.0 AC/HR and high efficiency fan for Whole House fan not interconnected with furnace Whole house fan: Manufacturer/Model #: Location: Sone rating: 2b AIR LEAKAGE CONTROL 1.0 Air leakage to 2.0 AC/HR and HRV w/ efficiency of .70 Heat Recovery System: Manufacturer/Model #: Efficiency Rating: 2c AIR LEAKAGE CONTROL 1.5 Air leakage to 1.5 AC/HR and HRV w/ efficiency of .85 Heat Recovery System: Manufacturer/Model #: H:\CED\Data\Forms-Templates\Self-Help Handouts\Building\2015WSECRes.doc Rev 8/2016 Efficiency Rating: Only one HVAC system may be chosen 3a High Efficiency HVAC 1 Gas furnace AFUE of 94% or Gas Boiler AFUE of 92% Furnace or Boiler: Manufacturer/Model #: BTU Output: Efficiency Rating: 3b High Efficiency HVAC 1 Air-source Heat Pump HSPF of 9.0 Heat Pump: Manufacturer/Model #: BTU Output: Efficiency Rating: 3c High Efficiency HVAC 1.5 Ground-source Heat Pump with COP of 3.3 or Water source Heat Pump with COP 3.6 Heat Pump: Manufacturer/Model #: BTU Output: Efficiency Rating: 3d High Efficiency HVAC 1 Ductless Heat Pump – Required to be installed in largest zone of dwelling Heat Pump: Manufacturer/Model #: BTU Output: Efficiency Rating: 4 High Efficiency Distribution 1 All heating/cooling system parts must be within conditioned space and layout must be shown on plans Electric resistance zonal and Ductless heat pumps cannot use this option System efficiency of less than 80% not allowed 5a EFFICIENT WATER HEATING .5 Low flow plumbing fixtures – Showerhead and kitchen sink < or = 1.75 GPM All other lavatory faucets rated at 1 GPM or less 5b EFFICIENT WATER HEATING 1 Gas water heater with EF of .74 or ground source water heater meeting 3c Water Heater: Manufacturer/Model #: Efficiency Rating: 5c EFFICIENT WATER HEATING 1.5 Gas water heater with EF of .91 or Electric Heat Pump with EF of 2.0 or Solar Supplemental Water Heater: Manufacturer/Model #: Efficiency Rating: 5d EFFICIENT WATER HEATING .5 A drain water heat recovery unit(s) installed which captures waste water heat from all showers Plumbing layout required to show all specifics of design 6 RENEWABLE ELECTRIC ENERGY .5 On-site wind or solar generation - .5 credit for each 1200 kWh to a maximum of 3 credits H:\CED\Data\Forms-Templates\Self-Help Handouts\Building\2015WSECRes.doc Rev 8/2016 Total Credits Chosen = VENTILATION Exhaust ventilation shall be provided for each dwelling unit as follows: Location Minimum CFM Manufacturer and Model# CFM (.1 W.G.) Kitchen fan 100 CFM / 25 CFM Bathroom fan 65 CFM / 20 CFM Bathroom fan 65 CFM / 20 CFM Bathroom fan 65 CFM / 20 CFM Laundry fan 65 CFM / 20 CFM Whole house fan – Continuous Operation - Per above CFM requirements Location Sone Rating Intermittent Whole house fan size required: Example: 3500 sf house with 4 beds needs 90 CFM fan running at 50% of the time = 90 x 2 = 180 CFM fan required. Fan must meet this CFM rated at .25wg. Whole house fan – Intermittent Operation - Per calculation CFM required from M1507.3.3(1) times Run time factor from M1507.3.3(2) Size of fan in CFM Manufacturer and Model Number Location THERMADOR HPCN48NS (W/MAKE UP AIR)600CFM NUTONE AEN80LF FAN LIGHT 80 CFM NUTONE AEN80LF FAN LIGHT 80CFM NUTONE AEN80LF FAN LIGHT 80 CFM NUTONEQTXEN110 WHOLE HOUSE FAN 110 CFM 110 CFM NUTONE QTEX110 WHOLE HOUSE LAUNDRY ROOM SEE ABOVE H:\CED\Data\Forms-Templates\Self-Help Handouts\Building\2015WSECRes.doc Rev 8/2016 Sone Rating Whole house fan required in all new houses/dwelling units and all additions >500 square feet Whole house fan must be ultra quiet and must be labeled “Whole House Ventilation” Fresh air shall be provided for each dwelling unit as follows: Tested, screened, controllable, through wall port Vented window frames Integrated with a Central forced air furnace which delivers outside makeup air through ducting system and requires furnace fan to be controlled by a timer set at 8 hours/day FRAMING PHASE Vapor retarders shall be installed toward the warm surface and required to be rated at 1 perm dry cup or less Select one option for floors, walls, and ceilings: Floors: Plywood w/exterior glue Poly > 4 Mill Backed batts Walls: Poly > 4 Mill Face-stapled backed batts Vapor Retarder Paint Ceilings: Not required where ventilation space > 12" above insulation Face stapled backed batts Poly > 4 Mill Vapor Retarder Paint FINAL PHASE .07 SONE H:\CED\Data\Forms-Templates\Self-Help Handouts\Building\2015WSECRes.doc Rev 8/2016 Blower door test must be completed and Residential Building Air Leakage Test form must be on jobsite. (See attachment) Energy code Compliance Certificate must be completed and attached to wall within 3 feet of electrical panel. (See attachment) Covers to be removed from exhaust fans so Inspector can verify compliance with code.