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CONSTRUCTION REQUIREMENTS dwelling units having a stairway which (Continued): opens from the basement in~o the ~ ...................... dwelling, such detector shall be Vent kitchen fan to outside via connected to a sounding device to provide ~tal ducts, an alarm which will be audible in the .............. sleeping area. OUBC 1210 (a) 27. In bathrooms, water closet - ' compartments, laundry rooms and 36. Loose-fill insulation. Blown, similar rooms, a mechanical poured and spray-on type may be used in ventilation system connected attic spaces where roof slope is 4 in 12 directly to the outside, capable of or grater and there is at least 44" of five air changes per hour shall be headroom at the ridge, 5303 (a) 2.A provided where there are no openable .._~ ...... windows. OUBC 1205-a 37. Thermal insulation shall not be · ,~-~ ............ installed within 3" of any metal chimney Provide all habitable rooms vent. h outside windows with net areas ,. i '' ' " ...... of not less t~an 1/10 of floor areas ~ ~nsulation requirements. not 10 sq, ft. Every sleeping room ~-~a~ldings with high-efficiency heating shall have an exterior door or not equipment such as: less than 5.7 sq. ft. of openable 1. Heat pumps that shows window. The min. net clear opening coefficient of performance aa height shall be 24 inches. The min. required in Table No. 53-D. net clear opening width shall be 20 2. Gas and oil fired that shows inches, The finished sill height minimum combustion efficiency shall be not more then 44 inches, of 80 percent Annual Fuel Uss OUBC 1204 and 1205 (a) Efficiency (AFUE) rating. ......... May have building elements insulated as 29, Provide at least one 36" Follows: Swinging (exit) door OUBC 3304 (e) C e i 1 i n g R-3 0 (r oof/ceiling .......... assemblies in which has a slope of 3 30. Stairs: OUBC 3305 in 12 or greater, may be R-19). a. Max. 8" rise. Min. 9" run. Walls R-19 b. Headroom over stairs 6'6" Floors R-19 min. Other Heating systems: c. Handrail designed for 20 Ceilings R-38 (roof/ceiling lbs, lateral load, Table assemblies in which as a slope 23-c of 3 in 12 or greater may be d. Stairways having less than R-19) 4 risers need not have Walls R-19 handrails. 3306 (j) Floors R-19 OUBC 5303 (c)l 31. Heating facilities capable of maintaining a temperature of 68 39. Slab min. 24" length of R-4.5 degrees F, at a point 3' above the insulation placed between slab and floor are required in all habitable foundation wall, length to include roms. OUBC 1211 horizontal and vertical distance. 5303 -" (c) 4 32. Warm air furnace shall not be installed in a bedroom or bathroom. 40. Weatherstrip doors between heated OUMC 704 a~d unheated areas. 33. Where bottom of glass light is 41, Heat ducts installed under floor within ,18" of floor and all glass in attic shall be provided min. R-4.5 doors and wall panels of bathtub and shower enclosures, must be of INSULATION. laminated, tempered or wire glass. - - .... OUBC 5406 (d) 42. R-11 perimeter insulation accepted -~ ~ ........ when crawl space is a plenum, s~' Approved numbers or addresses ~ .... all be provided for all new . Draft baffles are required at eave buildings in such a position as to /~ents to deflect ventilation air over be plainly visible and legible from blown insulation. (OUBC Section) 5303 (a) the street or road fronting the 2A .~roperty. ' ..... 35 ....... 44. Fireplace and c~imney construction Every dwelling shall be shall conform to chapter 37 OUBC ~mOvided with an a.pproved product of combustion detector other than heat 45. When alterations, repairs, or mounted on the ceiling or wall at a additions having a valuation of $1,000.0C point centrally located in the occur, or sleeping rooms are added in corridor or area giving access to existing Group R, Division 3 occupancies, sleeping rooms. Where sleeping the entire building shall be provided rooms are on an upper level, the with smoke detectors as specified in UBC detector shall be placed at the 1210 (a) center of the ceiling directly above the stairs. Care shall be exercised 46. Sky lights set at an angle less than when locating cold air return to 45 degree from horizontal shall be set at furnace so that air flow to detector least 4" above the plane of roof on a from non-sleeping areas is not curb contacted as required for the frame. ~mpeded. A smoke detector shall be lnstalled in the basement of