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Manhours for CS piping erection including fitup:
Take: Size of CS pipe spool: 6", spools: 2 Nos., each of 4 Mtr
Qty of erection: 48 IM, at elevation of 10 Mtr
Sr. No. Activity Craft Qty Time
(Hrs.) MHrs Remarks
1 Scaffolding Scaffolders 6 8 48
2 Rigging of spool and
placement in place
Foreman: 0.5
Rigger: 4 4 3 12
3 Bevelling of pipe Gascutter: 0.5
Grinder: 0.5 1 1 1
4 Alignment & Tack welding
Fitter : 1
Helper: 1
Tack welder: 1
3 2 6
5 Contingency @ 20%* 13.4
Total 80.4For 48 IM
A MHrs. Per IM: 1.7