Page 241 - Industrial Process Plant Construction Estimating and Man Hour Analysis

218 Industrial Process Plant Construction Estimating and Man-Hour Analysis

10.2 Boiler tube replacement estimate data
10.2.1 Boiler tube replacement sheet 1

Description MH Unit
Boiler scaffolding and rigging 64.0 Boiler
Open steam drum and/or lower drum 4.0 Man way
Remove drum internals 64.0 Boiler
Remove sootblowers 20.0 EA
Remove boiler trim 40.0 Boiler
Remove casing, tie bars, and brill 0.5 SF
Remove existing tubes (cut and remove) 1.0 Tube
Knock out tube butts and clean tube holes 0.5 Butt
Install new tubes 1.0 Tube
Expand tubes 2 OD; in steam drum and lower drum 0.36 EA
00
Reinstall boiler casing (including tie bars) 1.5 LF
Reinstall boiler trim 48.0 Boiler
Reinstall soot blowers 32.0 EA
Close steam and lower drums 4.0 Man way
Testing 56.0 Boiler
Clean up and remove boiler scaffold and rigging 80.0 Boiler
Disconnect and reconnect gas outlet 40.0 Boiler

10.3 Boiler tube replacement installation estimate

10.3.1 Boiler tube replacement sheet 1

Historical Estimate

MH Unit Qty Unit BM
Boiler tube replacement 0
Boiler scaffolding and rigging 64.0 Boiler 0 Boiler 0
Open steam drum and/or lower drum 4.0 Man way 0 Man way 0
Remove drum internals 64.0 Boiler 0 Boiler 0
Remove sootblowers 20.0 EA 0 EA 0
Remove boiler trim 40.0 Boiler 0 Boiler 0
Remove casing, tie bars, and brill 0.5 SF 0 SF 0
Remove existing tubes (cut and remove) 1.0 Tube 0 Tube 0
Knock out tube butts and clean tube holes 0.5 Butt 0 Butt 0
Install new tubes 1.0 Tube 0 Tube 0
00
Expand tubes 2 OD; in steam drum 0.36 EA 0 EA 0
and lower drum
Reinstall boiler casing (including tie bars) 1.5 LF 0 LF 0
Reinstall boiler trim 48.0 Boiler 0 Boiler 0
Reinstall sootblowers 32.0 EA 0 EA 0
Close steam and lower drums 4.0 Man way 0 Man way 0
Testing 56.0 Boiler 0 Boiler 0
Clean up and remove boiler scaffold and 80.0 Boiler 0 Boiler 0
rigging
Disconnect and reconnect gas outlet 40.0 Boiler 0 Boiler 0