Page 178 - Industrial Process Plant Construction Estimating and Man Hour Analysis

154 Industrial process plant construction estimating and man-hour analysis

8.9.4 Install and weld attemperators, superheater, and reheat
components sheet 4

Installation man-hour
Historical Estimate
MH Unit Qty Unit BM
Intermediate secondary superheater-pendant/inverted loop
Headers 65.00 Ton 0 Ton 0
Supports—rods 65.00 Ton 0 Ton 0
Tube sections 20.00 Ton 0 Ton 0
Tube section supports 20.00 Ton 0 Ton 0
Saturated connections 35.00 Ton 0 Ton 0
Mounting seals 90.00 Ton 0 Ton 0
Seals 175.00 Ton 0 Ton 0
00
Weld tubes to header stubs—(3-1/2 < BW 4 00 5.90 EA 0 EA 0
TIG) (2001–2600) psi
Reheat superheater-pendant/inverted loop
Headers 65.00 Ton 0 Ton 0
Supports—rods 65.00 Ton 0 Ton 0
Tube sections 20.00 Ton 0 Ton 0
Tube section supports 20.00 Ton 0 Ton 0
Saturated connections 35.00 Ton 0 Ton 0
Mounting seals 90.00 Ton 0 Ton 0
Seals 175.00 Ton 0 Ton 0
Weld tubes to header stubs—(3-1/2 < BW 4 00 5.90 EA 0 EA 0
00
TIG) (2001–2600) psi
Primary superheater-pendant/inverted loop
Headers 65.00 Ton 0 Ton 0
Supports—rods 65.00 Ton 0 Ton 0
Tube sections 20.00 Ton 0 Ton 0
Tube section supports 20.00 Ton 0 Ton 0
Saturated connections 35.00 Ton 0 Ton 0
Mounting seals 90.00 Ton 0 Ton 0
Seals 175.00 Ton 0 Ton 0
Weld tubes to header stubs—(3-1/2 < BW 4 00 5.90 EA 0 EA 0
00
TIG) (2001–2600) psi