Pipe Size (in.) 1 114 11/₂2 2 21/2 3 31/2 4 5 6 8 Hazard Classification Light Steel 2 3 5 10 30 60 100 Copper 2 3 5 12 40 65 115 Ordinary Steel 2 3 5 10 20 40 65 100 160 275 b Copper 2 3 5 12 25 45 75 115 180 300 b
Pipe Size (in.) 1 114 11/₂2 2 21/2 3 31/2 4 5 6 8 Hazard Classification Light Steel 2 3 5 10 30 60 100 Copper 2 3 5 12 40 65 115 Ordinary Steel 2 3 5 10 20 40 65 100 160 275 b Copper 2 3 5 12 25 45 75 115 180 300 b
Solid Waste Engineering
3rd Edition
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Worrell, William A.
Chapter4: Mechanical Processes
Section: Chapter Questions
Problem 4.7P
Related questions
Question
A two-story office building totaling 18783 ft2 is interpreted as a light hazard (200 ft2/sprinkler from Table 11.1). If black steel pipe is used, determine the riser size. Fill in the size of the pipe. If 2 1/2 in., input 2.5. Or see below. You should first determine how many sprinklers are there using area / [200ft2/sq], and then check this table, and find the size of the pipe. This is a light hazard classification, and the material is steel. You should look at the left-most column.
Transcribed Image Text:Pipe Size (in.)
1
114
11/₂2
2
21/2
3
31/2
4
5
6
8
Hazard Classification
Light
Steel
2
3
5
10
30
60
100
Copper
2
3
5
12
40
65
115
Ordinary
Steel
2
3
5
10
20
40
65
100
160
275
b
Copper
2
3
5
12
25
45
75
115
180
300
b
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