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La'~undry bathrooms, w~ter closet rooms and similar rooms, a mechanical ventilation system connected directly co the out~ide, capable of fi~ air changes per hour sh~ll be provided where therm 8re no op~mable windows. OUBC 1205-a 3!. Provid~ all babitmble rooms with outsid~ wind~w~ with net gr~m~ of not less than 1/10 of floor areas no~ 10 sq. fu. Evezy sleeping room shall have an exterior dmor or not less than 5,7 sq. ft. of openable window with no d/nmnsion less than 24" and sill height not over 4A". (~C i204 and 5 32~ Window~ between the mm ~rport and t_he ling shall not be openab!e~ OLiBC 1214 33. Provide az least one 36" swinging (exit) door. OUBC 3303(e) 34. Stairs: OUBC 3305 a. Mm~ 8" riss. Min~, 9" run. b. Headroom over sr~J_rs 6'6" min_inv0m. c. Fa]ndrail required on one side for interior stairways of 2 or more risers. d. Handr~3~ designed for 20 lbs. lateral load. Table 23-c e. Exterior stairways serving one individual d~elLi~ unit need not have handrails if less than ~ risers or 2& inche~ rise. ~ Eeating facilities capable of a t~l~a~attzre of 68 d~es F. at a poillt above the floor are required in all habir~ble rooms. OLMC 1211 36. Warm air furnace shall nou be instal led under any stairway nor in a bedroom or bath- room. ~ 704 o~flWhere bottom of glass light is within 18" oor and all g]~s doors and w~!! panels of bathtub and shower enclosures, n~as~ be of Ianinated, t~ered or wir~ glass. 05~C 5406 Also~ see Federal Glazing Standard. ~ Every d~elling shall be provided with an a?proved product of combustion detector other r_ban hea~ r~oun~ed on the ce/ling, or w~] ] at a point centrally located in the corridor or area giving access to sleeping rooms. W~ere sleeping rooms are on an up- per level, ~he detector shall be placed the cen~er of the ce~3_ing directly above ~he stairs. Ail de~ectors shall be place within L2" of c~iling. Care shall be exercised when toca~ing cold air return ~o furnace so that air flow zo detector from non-sleeping areas is not impeded. 05~¢ 1210 39. Ceiling, R-30 Exterior walls, R-11 min. w/vapor barrier. UndeTfloor, R-19. Groundaover min. 006 visqtmen min. black 40. Slab min. 24" l'ength of~R-4.5 insulation placed between slab and fot~da~ion wall, length ~o include horizontal and vertical distance. ~ Weatherstriu doors between heated and unheata~l areas. - 42. Heat ducts io~talled under floor or in attic shall be provided min. 43. R-l! painter i%l~!~tioIl accepted crawl space is a plentra. 44. Draft baffles are recp3~red at eax~ vents to deflect wntilazing air ova= blown insula- tion.....~Ob~C_ Section) 5303(a) 2A &5. Fireplace and ch/~ney cons~tion confgrm to C~ap.c,.~. 37 OUBC . 46. When alterations, repairs, or additions baying a v~luation of $1,000.00 oc~r, or sleeping rooms are added in ~xisting Grot~ Division 3 occupancies, the ~ire building shall be provided with smoke detectors as specified in Sec. 1413, tMC . 47. Sk7 lights set at an ar~le less rjqmn 45?- from horizontal shall be set at least 4" above the plane of roof on a curb constructed as reqtd~ed for the frame. Sec, 3401. UBC 48. Guard Fails. re~ulred 30" abov~ grade. intermediate rails or an ornmmantal such that a sphere 9" in diameter c~',,~ot pass tkrough~, k~im/mum height of rail 36". Sec. 1716. L~C