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DATE/TIME <br />TYPE <br />OCCUPANCY <br />CONST TYPE <br />UGB: SITE: <br /> <br /> BUILDING PERMIT <br />11/26/99 08:35 <br />Resident. addition/alteration <br />R-3 <br />V-N <br /> <br />12. <br /> <br />13. <br /> <br /> PERMIT NO : 99-06112 <br /> STATUS : ISSUED <br /> ISSUED : 11/26/1999 <br /> TO EXPIRE : 05/24/2000 <br /> PAGE : 3 <br />net clear opening of 5 square feet. [Sec. 310.2, 310.2.1] <br />STAIRWAYS shall not be less than 36 inches in clear width at <br />all points between the handrail height and the required <br />minimum headroom of 6 feet 8 inches. Minimum width from the <br />handrail down is 32 inches with one handrail, 28 inches with <br />two, The minimum required stair tread width is 9 inches, <br />The maximum stair rise is 8 inches. When risers are closed, <br />all treads less than 10 inches shall have a uniform nosing <br />betweem 3/4 inches and 1 1/4 inches. The greatest riser <br />height/tread depth shall not exced th smallest by more than <br />3/8 inch. [Sec. 314.1: 314.2: 314.2.1; 314.3] <br />UNDERFLOOR VENTILATION. Provide at least one square foot of <br />underfloor ventilation for each 1500 square feet of crawl <br />space area. The openings shall be covered with a corrosion <br />resistant wire mesh, At least one such opening shall be <br />provided within 3 feet of each corner of the building. <br />Vents may be omitted on one side. [Sec. 409,1] <br /> <br /> <br />