DS 2-8 Earthquake Protection for Water-Based Fire ... - FM Global

Earthquake Protection 2-8
FM Global Property Loss Prevention Data Sheets Page 63
North-to-South Portion
lateral
1 1 ⁄ 2
(40)
2
(50)
6
(150)
8
(200)
6
(150)
8x10x3.6x0.5 =
(8 x 3.1 x 53 x 0.5) =
10x10x5.1x0.5 =
(10 x 3.1 x 75 x 0.5) =
3x10x31.7x0.5 =
(3 x 3.1 x 465 x 0.5) =
1x25x47.7x0.5 =
(1 x 7.6 x 700 x 0.5) =
1x25x31.7x0.5 =
(1 x 7.6 x 465 x 0.5) =
North-to-South Total Load =
=
144 lb
(657 N)
255
(1163)
476
(2162)
596
(2660)
396
(1767)
1867 lb
(8409 N)
(Brace Q needs a design to withstand simultaneously a 1364 lb [6149 N] load in the east-west direction and 1867 lb
[8409 N] load in the north-south direction. Alternatively, two separate sway braces may be used, and should be
located within 24 in. [0.6 m] of the tee.)
T-
East-to-West Portion
lateral
longitudinal
North-to-South Portion
lateral
6
(150)
6
(150)
4
(100)
1 1 ⁄ 2
(40)
2
(50)
6
(150)
6
(150)
1 x 16.5 x 31.7 x 0.5 =
(1 x 5.0 x 465 x 0.5) =
3x10x31.7x0.5 =
(3 x 3.1 x 465 x 0.5) =
4x10x16.4x0.5 =
(4 x 3.1 x 241 x 0.5) =
East-to-West Total Load =
=
8x10x3.6x0.5 =
(8 x 3.1 x 53 x 0.5) =
10x10x5.1x0.5 =
(10 x 3.1 x 75 x 0.5) =
3x10x31.7x0.5 =
(3 x 3.1 x 465 x 0.5) =
1x25x31.7x0.5 =
(1 x 7.6 x 465 x 0.5) =
North-to-South Total Load =
=
262 lb
(1163 N)
476
(2162 N)
328
(1494)
1066 lb
(4819 N)
144 lb
(384 N)
255
(1163)
476
(2162)
396
(1767)
1271 lb
(5749 N)
(Brace T needs to be designed to withstand simultaneously a 1066 lb [4819 N] load in the east-west direction and a
1271 lb [5749 N] load in the north-south direction. Alternatively, two separate sway braces may be used and should be
located within 24 in. [0.6 m] of the tee.)
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