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(3) For all commercial building, with estimated cost not <br /> exceeding $5,000: $5.00 and $1.00 additional for each addi- <br /> tional $1,000 of estimated cost above $5,000. (4) For all other <br /> buildings with estimated cost not exceeding $2,000: $2.00- and <br /> $1.00 additional for each additional $1,000 of 'estimated cost <br /> above $2,000. (5) For -all other alterations and repairs with <br /> estimated cost not exceeding $1,000: $1.00 and $1.00 addition- I <br /> al for each $1,000 of estimated cost above $1,000. (6) For i <br /> elevator installations $5.00 for each shaft. <br /> TABLE I <br /> id <br /> Maximum clear spans for wood girders: <br /> 11/2 <br /> One story dwelling story dwellings <br /> Size in inches feet inches feet inches <br /> 4x6 5 0 4 0 <br /> 6 x 6 <br /> 6 0 5 2 <br /> 4x8 6 4 .5 6 rK <br /> 4x10 8 0 7 0 <br /> 6 x 8 8 0 7 0 <br /> .6x10 9 0 8 0 <br /> I' <br /> TABLE II <br /> Maximum clear spans for floor joists assumed live load of <br /> 40 lbs. per square foot; dead load 10 lbs.; Spacing of joists <br /> is 16" center to center. <br /> j; #1 framing #3 framing <br /> Size in inches feet inches feet inches I .: <br /> 2 x 6 9 1 8 6 <br /> 2 x 6 12 1 11 4 l t: <br /> 2 x 10 15 3 14 4 �; <br /> 3 x 10 17 8 16 9 <br /> 2x12 18 5 17 3 , <br /> TABLE III <br /> Maximum clear spans for ceiling joists live load, none; dead <br /> load 10 lbs. per square foot. Spacing of joists is 16" center <br /> to center. <br /> .Size in inches feet inches <br /> 2x4 10 0 <br /> 2x6 15 4 <br /> 2x8 20 2 <br /> Note: Where the attic space above the ceiling joists is un- <br /> finished but is usable for storage space, or if the space is <br /> suitable for finishing into future habitable rooms, the spans <br /> for the ceiling joists shall be figured the same as for floor <br /> joists. <br /> 28 <br /> I <br /> i <br /> �i , <br />