2012 NC Building Code Table 1004.1.1 Maximum Floor Area ...

2012 NC Building Code Table 1004.1.1 Maximum Floor Area Allowances per Occupant. (130910 Item B-1)

TABLE 1004.1.1 MAXIMUM FLOOR AREA ALLOWANCES PER OCCUPANT

Assembly without fixed seats Unconcentrated (tables and chairs) ~

Business areas ~

Add the following footnote to "Assembly- unconcentrated (tables and chairs)" and to "Business areas":

a. An assembly occupancy conference room that is accessory to a Group B office occupancy and meeting the requirements of Section 303.1, exception 2, shall be calculated at 100 square feet per occupant for determining the overall occupant load of the associated floor. The assembly occupancy shall be calculated at 15 square feet per occupant for the purpose of determining egress from the room containing the assembly occupancy.

The delayed effective date of this Rule is January 1, 2015. The Statutory authority for Rule-making is G. S. 143-136; 143-138.

2012 NC Building Code Chapter 23 Wood Tables SP. (130910 Item B-2)

Change the following tables in Chapter 23 as indicated in the attachment: 2308.8.8(1 ), 2308.8(2), 2308.9.5, 2308.9.6, 2308.1 0.2( 1), 2308.10.2(2), 2308.1 0.3(1 ), 2308.1 0.3(2), 2308.1 0.3(3), 2308.10.3(4), 2308.1 0.3(5), 2308.1 0.3(6)

The delayed effective date of this Rule is January 1, 2015. The Statutory authority for Rule-making is G. S. 143-136; 143-138.

WOOD

APRIL 2013 AMENDMENTS- LEGISLATIVE FORMAT

TABLE 2308.9.5-continued HEADER AND GIRDER SPANS".e FOR EXTERIOR BEARI~G WALLS (Maximum Spans for DouQias Fir-Larch , Hem-Fir, Southern Pine and Soruce-Pine-Fi and Reauired Number of Jack Studs)

GROUND SNOW LOAD (psf)?

HEADERS SUPPORTING

SIZE

30

50

Building width' (feet)

20 Span NJ"

28 Span NJ"

36 Span NJ"

20 Span NJ"

28 Span NJ"

36 Span NJ"

2-2x4 2-7 1 2-3 1 2-0 1 2-6 I 2-2 1 1-11 1

2-2x6 3-9 2 3-3 2 2-11 2 3-8 2 3-2 2 2-10 2 2-2 x8 4-9 2 4-2 2 3-9 2 4-7 2 4-0 2 3-8 2

Roof, Ceiling & 2 CenterBearing Floors

2-2x 10 5-9 2 5-1 2 4-7 3 5-8 2 4-11 2 4-5 3 2-2X 12 6-8 2 5-10 3 5-3 3 6-6 2 5-9 3 5-2 3 3-2 x8 5-11 2 5-2 2 4-8 2 5-9 2 5-1 2 4-7 2 3-2X I0 7-3 2 6-4 2 5-8 2 7-1 2 6-2 2 5-7 2

3-2x 12 8-5 2 7-4 2 6-7 2 8-2 2 7-2 2 6-5 3

4-2x8 6-10 1 6-0 2 5-5 2 6-8 1 5-10 2 5-3 2

4-2x ]Q 8-4 2 7-4 2 6-7 2 8-2 2 7-2 2 6-5 2 4-2X ) 2 9-8 2 8-6 2 7-8 2 9-5 2 8-3 2 7-5 2

2-2x4 2- 1 I 1-8 I 1-6 2 2-0 I 1-8 I 1-5 2 2-2x6 3-1 2 2-8 2 2-4 2 3-0 2 2-7 2 2-3 2

2-2x8 3-10 2 3-4 2 3-0 3 3-1 0 2 3-4 2 2-11 3

2-2X 10 4-9 2 4-1 3 3-8 3 4-8 2 4-0 3 3-7 3

2-2x 12 5-6 3 4-9 3 4-3 3 5-5 3 4-8 3 4-2 3

Roof, Ceiling & 2Clear Span Floors

3-2x8 4-10

2

4-2

2

3-9

2

4-9

2

4-1

2

3-8

2

3-2x 10 5-11 2 5-1 2 4-7 3 5-10 2 5-0 2 4-6 3

3-2X 12 6-10 2 5-11 3 5-4 3 6-9 2 5-10 3 5-3 3 4-2x 8 5-7 2 4-10 2 4-4 2 5-6 2 4-9 2 4-3 2 4-2X 10 6-10 2 5-1 1 2 5-3 2 6-9 2 5-10 2 5-2 2

4-2 x12 7-11 2 6-10 2 6-2 3 7-9 2 6-9 2 6-0 3

For SJ: 1 inch= 25.4 nun, 1 foot = 304.8 mm, 1 pound per square foot = 47.8 N/m 2

a. Spans are given in feet and inche s (ft-in). b. Taa~lateEI "81Yes are fer Ne.2 grade l~mber. ~SL!lans!!!l!..l!Jarll ................
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