Page 254 - Industrial Process Plant Construction Estimating and Man Hour Analysis

232 Industrial Process Plant Construction Estimating and Man-Hour Analysis

11.7.3 Down comers & code piping sheet 3

Historical Estimate
Description MH Unit Qty Unit BM

Erect and install downcomers and code piping 1811
00
Handle downcomers, 12 OD 0.562 WT 1.32 LF 336.0 LF 444
40 0
00
Downcomers, 12 OD 0.562 WT BW 12.6 EA 16.8 EA 212
00
Handle 12 300# BW main stop valve and 5.4 EA 2.4 EA 13
ck valve
12 0.562 WT CS BW 12.60 EA 4.8 EA 60
00
Handle 10 300# BW feed water stop and 136.00 EA 2.4 EA 326
00
ck valve
10 0.562 WT CS BW 4.00 EA 4.8 EA 19
00
Handle 8 300# BW spray control valves 7.20 EA 4.8 EA 35
00
8 0.562 WT CS BW 8.40 EA 9.6 EA 81
00
Handle 3 300# safety valves 2.70 EA 3.6 EA 10
00
3 0.375 WT CS BW 1.50 EA 7.2 EA 11
00
Handle 3 300# control valves—boiler 2.70 EA 2.4 EA 6
00
3 0.375 WT CS BW 1.50 EA 4.8 EA 7
00
Handle 2 300# control valves—boiler 1.00 EA 2.4 EA 2
00
2 0.375 WT CS BW 1.10 EA 4.8 EA 5
00
Handle 4 300# flanged flow elements 3.60 EA 7.2 EA 26
00
4 300# Bolt up 1.60 EA 14.4 EA 23
00
Handle 10 0.562 pipe 1.10 LF 192.0 LF 211
00
Handle 8 0.562 pipe 0.88 LF 192.0 LF 169
00
Handle 4 0.375 pipe 0.28 LF 270.0 LF 76
00
Handle 3 0.375 pipe 0.21 LF 192.0 LF 40
00
00
Handle 2 0.375 pipe 0.18 LF 192.0 LF 35
11.8 Waste heat boiler-pressure parts and piping installation
man hours
Actual Estimated
BM BM
Install steam and mud drums 1245 1245
Generating bank tubes 4354 4354
Ground assembly—headers, furnace, and water wall panels 3230 3230
Erect headers and wall panels, fit and weld water wall panels 5291 5291
Fit and weld water wall tubes; 2-31/32 OD 0.203 WT, BW (TIG) 8295 8295
00
00
Erect, fit, and weld primary/secondary headers and superheater 1817 1817
elements
Burner system 492 492
Sootblowers 1280 1280
Erect and install downcomers and code piping 1811 1811
Waste heat boiler-pressure parts and piping installation man-hours 27,815 27,815