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m'etal ducts, an alarm which will be audible in the 27. In bathrooms, water closet compartments, laundry rooms and similar rooms, a mechanical ~entllation system connected directly to the outside, cap%ble of five air changes per hour shall be provided where there are no openable windows. OUBC 1205-a I ~2_.lp~ Provideall habitable rooms h outside windows with net areas of not less than 1/10 of floor areas not 10 sq. ft. Every sleeping room shall have an exterior door or not less than 5.7 sq. ft. of openable window. The mzn. net clear opening height shall be 24 inches. The min. net clear opening width shall be 20 ~nches. The finished sill height shall be not more then 44 inches. OUBC 1204 and 1205 (a) 29. Provide at least one 36" Swinging (exit) door OUBC 3304 (e) 30. Stairs: OUBC 3305 a. Hax. 8" rise. Min. 9" run. b. Headroom over stairs 6'6" c. Handrail designed for 20 lbs. lateral load. Table 23-c d. Stairways having less than 4 risers need not have handrails. 330~ (j) 31. Heating facilities capable of ~alntaln~ng a temperature of 68 degrees P. at a point 3' above the floor are required Ln all habitable roms. OU~C 1211 32. Warm air furnace shall not be ~nstalled in a bedroom or bathroom. OU~1C 704 33. Waere bottom of glass light is within 18" of floor and all glass doors and wall panels of bathtub and shower enclosures, must be of lamanated, tempered or wire glass. OUBC 5406 (d) ~,'2 Approved numbers or addresses %~nall be provided for all new buildings in such a position as to be plainly visible and legible from t~%e street or road fronting the [,;~oper ty. ~ Every dwelling shall be provided with an approved product of combustion detector other than heat mounted on the ceiling or wall at a po±ut centrally located in the corridor or area flying access to sleeping rooms. Where sleeping rooms are on an upper level, the detector shall be placed at the center of the culling directly above the stairs. Care shall be exercised when locating cold air return to furnace so that air flow to detector from non-sleeping areas is not impeded. A smoke detector shall be installed in the basement of sleeping area. OUBC 1210 36. Loose-fill insulation. Blown, poured and spray-on type may be used attic spaces where roof slope is 4 ±n 12 or grater and there Ls at least 44" of headroom at the ridge. 5303 (a) 2.A 37. Thermal insulation st~a[l not bc installed witllln 3" of any metal c[~imney or gas vent. B~? /Insulation requlrements, ~ldings with high-efficiency heating equipment such as: 1. Heat pumps that shoes a coefficient of performance as required zn Table No. 53-D. 2. Gas and oll fired that shows a minimum combustion efficiency of 80 percent Annual Fuel Usc Efficiency (AFUE) rating. May have building elements insulated as Follows: Cei 1 lng R- 3 0 (roof/ceiling assemblies in which has a slope of 3 in 12 or greater, may be R-19). Walls R-19 Floors R-19 Other Heating systems: Ceilings R-38 (roof/ceiling assemblies in which as a slope of 3 in 12 or greater may be R-19) Walls R-19 Floors R-19 OUBC 5303 (c)l 39. Slab min. 24" length of R-4.5 insulation placed between slab and foundation wall, length to include horizontal and vertical distance. 5303 (c) 4 40. weatherstrlp doors between heated and unheated areas. 41. Heat ducts installed under floor or · n attic shall be provided min. R-4.5 INSULATION. 42. R-ii perimeter insulation acceptcd when crawl space is a plenum. ~ Draft baffles are required at eave vents to deflect ventilation air over blown insulation. (OUBC Section) 5303 (al 2A 44. Fireplace and chimney construction shall conform to chapter 37 OUBC 45. When alterations, repairs, or additions having a valuation of $1,000.00 occur, or sleeping rooms are added ~n existing Group R, Division 3 occupancies, the entire building shall be provided with smoke detectors as specified in UBC 1210 (a) 46. Sky lights set at an angle less than 45 degree from horizontal shall be set at least 4" above the plane of roof on a curb contacted as required for %he frame.