Page 122 - Industrial Process Plant Construction Estimating and Man Hour Analysis

Pulp and paper Chapter 5 95

5.12 Reheat recovery boiler installation estimate
5.12.1 Erect drum, generating bank, integral economizers multiple
header type sheet 1

Installation man-hour
Historical Estimate

MH Unit Qty Unit BM
Erect steam drum, install generating bank and 0
weld tubes, install integral economizers
Install steam drum
Steam drum (200,001 3.80 Ton 0 Ton 0
LB<¼weight<¼300,000 LB)
Steam drum trim piping 260.00 Boiler 0 Boiler 0
Drum internals—remove and reinstall 136.00 Ton 0 Ton 0
Generating bank
Generating tube sections and headers—unload 10.00 Ton 0 Ton 0
and handle
Set rigging for hoisting assemblies 60.00 Boiler 0 Boiler 0
Hoist into place 1.50 Ton 0 Ton 0
Weld tubes to header stubs—2-1/2 diameter, 2.60 EA 0 EA 0
00
TIG no PWHT
Fit and weld filler bar at tube welds 1.00 Space 0 Space 0
Integral economizers multiple header type
Economizer tube sections and headers—unload 10.00 Ton 0 Ton 0
and handle
Set rigging for hoisting assemblies 60.00 Boiler 0 Boiler 0
Hoist into place 1.50 Ton 0 Ton 0
00
Weld tubes to header stubs—2-1/2 diameter, 2.60 EA 0 EA 0
TIG no PWHT
Fit and weld filler bar at tube welds 1.00 Space 0 Space 0
Baffles—place and weld including clips 60.00 Ton 0 Ton 0
Vibration bars 65.00 Ton 0 Ton 0
Backstays 40.00 Ton 0 Ton 0
Casing and hoppers 55.00 Ton 0 Ton 0
Doors 55.00 Ton 0 Ton 0