Page 273 - Industrial Process Plant Construction Estimating and Man Hour Analysis

252 Industrial process plant construction estimating and man-hour analysis

Example 12.6.2
Diesel power plant—handle and install pipe, carbon steel, and welded joint
(Table 12.6.2 and Fig. 12.6.2)
Facility—diesel power plant
Data for input: man-hour field handle S10S and lighter stainless steel pipe
Man-hour (y): R 1 = 0.15, 0.15, 0.18, 0.24, 0.36, 0.48, 0.60, 0.72, 0.84, 0.96,
1.08, 1.20, and 1.44
Pipe size, inches (x): R 2 = 2, 2.5, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, and 24
Man-hour per LF

TABLE 12.6.2 Handle pipe—0.375 or less WT
00
X Y
Pipe
size MH/LF
2 0.15
2.5 0.15
3 0.18
4 0.24
6 0.36
8 0.48
10 0.60
12 0.72
14 0.84
16 0.96
18 1.08
20 1.20
24 1.44

COVAR (R 1 , R 2 ) 2.91
VARP (R 2 ) 0.17
SLOPE (R 1 , R 2 ) 0.0596
INTERCEPT (R 1 , R 2 ) 0.0067