2238 74TH ST SE 2018-01-02 MF Import

ENERGY NOTES - ELECTRIC HEAT General Previsions: 1. Mechanical spot exhaust ventilation, ducted to the exterior, is required in all bathrooms (50 cfm) and kitchens (100 cfm). B,.,:kdraft dampers are required. 2 Outside air is required to be supplied into the -conditioned space. - See ventilation requirements. - - 3.- All. -structural softwood plywood, particle-board,.-wafer_board and oriented strand boards are stamped "ExposureI" or "Exterior 4. Water heater storage tank labeled as meeting ASHRAE standard 90A - 1980 or insulated to R-16. = .5. Water heater storage tank must -be placed .on ar R 10-pad_if located over uninsulated or concrete floors.- 6. Insulate hot and cold waterpipes to R-3 in unheated areas. 7. Shower regulations to limit hot water discharge to 2.75 GPM. 8. Heating ducts must be insulated to R-11. 9. Woodstoves and fireplaces have tight -fitting doors. 10. Woodstoves and fireplaces have outside combustion air ducted to firebox, with accessible damper. (Min. - 6 sq. in. net free vent area) 11. Fireplaces have tight -fitting flue dampers. 12. All gas or oil combustion appliances have direct vent or forced draft venting. 13. Recessed lights are I.C. rated, double wall can lights. 14. 6 mil black visqueen ground cover in clod space. Air Sealing: I. All plumbing, electrical and HVAC penetrations 1n floors, wall and ceilings are caulked and sealed. 2. Where penetrations need a firestop, discuss with your building department. 3. Electrical outlet and 11ght switch boxes on exterior walls must be sealed at the back of the receptical or sealed with face plate gaskets. 4. Seal rim joist between heated floor or use a product like "tyvek" on exterior. continued next page k