Page 193 - Industrial Process Plant Construction Estimating and Man Hour Analysis

Coal-fired power plant Chapter 8 169

8.33.2 Install over fire ductwork sheet 2

Installation man-hour
Historical Estimate

MH Qty Unit BM BM
Over fire air duct 0
Transition duct section 32.00 Ton 0 Ton 0
Bolted connection-duct transition to ID fan 0.26 EA 0 EA 0
Duct sections 32.00 Ton 0 Ton 0
Duct elbow 32.00 Ton 0 Ton 0
Field joint—weld flange 0.35 LF 0 LF 0
Bolted connection-duct sections 0.26 EA 0 EA 0
Expansion joint 40.00 Ton 0 Ton 0
Duct support 40.00 Ton 0 Ton 0

8.34 ID, FD, primary air and over fire ductwork—Installation
man hours

Estimated Actual
BM BM
ID ductwork 0 0
Primary air ductwork 0 0
FD ductwork 0 0
Over fire air duct 0 0
ID, OFA, FD, and over fire ductwork—installation man-hours 0 0