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CONSTRUCTION REQUIREMENTS (Continued): ({'621 Vent kltcl~en fan to outside via m&%al ducts, 27. In Pathrooms, water Closet compartmenLs, laundry rooms and similar rooms, a mechan%cal yen t ils t Ion system connected d:rectly to the o~:tslde, capable of five air changes per hour shall be provided where there are no openable windows. OUBC 1205-a "~}-- Provide all ~a~itable rooms . 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 w~ndow. The min. net clear opening height shall De 24 Inches. The rain. net clear opening width shall be 20 ~nches. Thc finished sill height shall De not more then 44 inches. OUBC 1204 and ~205 (a) 29. Provlde at least one 36 Swinging (exit) door OUBC 3304 (e) ---~ a. Max. 8" flsa. Min. 9" r~n. b, Headroom over stairs 6'6 c. Handrail designed for 20 ids. lateral load. Table 23-c d. Stairways having less than 4 risers need not have handrails. 3306 3l. Heatlag £acllities capable of maintaining a temperature of 68 degrees F. at a point 3' above the floes are required in all habitable roms. OUSC 1211 32. Warm air furnace shall not be ~nstalled in a bedroom or bathroom. OU~4C 704 33. Whore bottom of glass light is ~zthln 18" of floor and all glass doors and wall panels of bathtub and shower enclosures, must be of laminated, tempered or wire glass. O~Jt~C 5406 (d) Approved numbers or addresses ,~- ~[%al i De provided for all new buildings in such a position as to be plainly visible and legible from the street or road fronting the ~3~/~/ Every dwelling shall be provided with an approved product of combustion detector other than heat mounted on the ceiliag or wall at a poInt centrally located in the corridor or area giving access to sleeping rooms. Where sleeping rooms are on an upper level, the detector shall be placed at the center of t~e ceiling directly above t~lc 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 dwelling units having a s~alrway which opens from the basement z~%to dwelling . Such detector shall se connected to a sounding device to provide an alarm which will be audible In the sleeping area. OUBC 1210 (a) 36. Loose-fill insulation. Blown, poured and spray-on type may be used in attic spaces where roof slope is 4 in 12 or grater and there is at least 44" of headroom at the ridge. 5303 (a) 2.A 37. Thermal insulation shall not be installed within 3" of any metal chimney or gas vent. 38. Insulation requirements. Buildings with high-efficiency heating equipment such as: 1. Heat pumps that shows a coefficient of performaece as required an Table No. 53-D. 2. Gas and oil fired that stlows a minlm[n~ combustion e£flclency of 80 percent Annual Fuel Use Effzclency (AFUE) rating. May have building elements lnselated as Follows: Ce£11ng R-30 (roof /cell~ ng assemblies in which has a slope of in 12 or greater, may be Walls R-19 Floors R-19 other Heating systems: Ceilings R-38 (roof/ceiling assemblies Ln which as a slope of 3 in 12 or greater may be R-19) Walls R-19 Floors R-19 OUBC 5303 39. Slab min. 24" length of insulation placed between slab and foundation wall, length to include horizontal and vertical distance. 5303 (c) 4 40. Weatherstrip doors bet. ween heated and unheated areas. 41. Heat ducts installed under floor in attic shall be provided min. R-4.5 INSULATION. accepted 42. R-11 perlmcter insulation when crawl space is a plenum. 43. Draft baffles are required at ease vents to deflect ventilation air over blown insulation. (OUBC Section) 5303 (a) 2A 44. Fireplace and chimney construction shall conform to chapter 37 OUBC 45. When alterations , repairs, or additions having a valuation of occur, or sleeping rooms are added existing Group R, Division 3 occupancies, the entire building shall be provided with smoke detectors as specified in gBC 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 curb contacted as required for the frame.