Pipe Installation Man Hours

Post author:info.projectestimate
Post published:February 10, 2020
Post category:MAN-HOUR

The following are man hour reference for pipe laying, valve handling, flange installation and welding or threading of pipe. Man hours are per meter, per piece or per connection.

For reference on the material cost of the pipes: G.I. Pipes / B.I. Pipes / PPR Pipe / PVC Pipe

Pipe Installation Manhours for Steel Pipes

Pipe Sizes		Man-Hours
Metric	Imperial	Pipe Laying / Handling	Attaching Screw Flange	Welding of Flange	Welding Connections	Pipe Threading
Metric	Imperial	meter	piece	piece	connection	connection
15	1/2	0.56	1.26	0.95	0.74	0.21
20	3/4	0.59	1.26	0.95	0.74	0.21
25	1	0.59	1.26	1.05	0.74	0.21
32	1 1/4	0.63	1.26	1.26	0.84	0.21
40	1 1/2	0.67	1.26	1.37	0.84	0.21
50	2	0.7	1.26	1.47	1.05	0.21
65	2 1/2	0.73	1.37	1.79	1.26	2.39
80	3	0.8	1.47	2.21	1.37	0.32
100	4	0.87	1.79	2.73	1.58	0.45
125	5	0.91	1.89	3.47	1.79	0.57
150	6	0.97	2.21	4.1	2.1	0.74
200	8	1.18	2.63	5.67	2.73	1.02
250	10	1.5	3.26	7.14	3.26	1.45
300	12	1.8	3.89	8.72	3.78	1.61
350	14	2.21	4.73	10.5	4.52	2.18
400	16	2.59	5.67	11.87	5.25	2.49
450	18	3.04	6.83	14.18	6.2	3.1
500	20	3.55	8.09	16.8	6.62	3.72
600	24	3.97	11.55	21.11	7.25	5.44
700	26	4.08	–	29.09	8.82	–
800	28	4.59	–	33.6	10.5	–
900	30	4.9	–	38.01	13.13	–
1000	32	5.24	–	40.32	16.28	–
1100	34	5.56	–	46.94	20.37	–
1200	36	6.14	–	–	24.15	–
1300	38	6.48	–	–	28.35	–
1400	40	6.83	–	–	33.18	–
1500	42	7.42	–	–	38.75	–
1600	44	7.75	–	–	44.94	–
1700	46	8.14	–	–	50.72	–
1800	48	8.66	–	–	57.23	–

Notes:

1. Welding connections include set-up, cutting, beveling, fitting, tack and full welding.

2. Pipe laying and handling include loading and unloading from storage and to site, site erection, rigging and alignment.

3. Welded flange connection include alignment, tack weld, welding in front and back of flange.

4. Threaded flange connection include proper attachment of screw flange and tightening.

Installation Manhours for Plastic / Cast-Iron

Pipe Sizes		Man-hours
		Cast-Iron / Ductile Iron		Plastic Piping
Metric	English	Pipe Handling	Mechanical Joint	Pipe Handling	Socket Connection
Metric	English	meter	joint	meter	joint
15	1/2	–	–	0.25	0.21
20	3/4	–	–	0.25	0.24
25	1	–	–	0.25	0.27
32	1 1/4	–	–	0.29	0.29
40	1 1/2	–	–	0.29	0.31
50	2	–	–	0.32	0.35
65	2 1/2	–	–	0.32	0.4
80	3	–	–	0.35	0.48
100	4	0.32	0.53	0.39	0.58
125	5	0.35	0.56	0.42	0.63
150	6	0.39	0.6	0.46	0.74
200	8	0.49	0.74	0.49	0.84
250	10	0.59	0.9	0.59	1.05
300	12	0.83	1.3	0.7	1.32
350	14	1.21	1.87	–	–
400	16	1.56	2.4	–	–
450	18	1.83	2.82	–	–
500	20	2.18	3.35	–	–
600	24	2.73	4.2	–	–

Notes:

1. Plastic pipe handling include laying, hauling, rigging, placement and alignment.

2. Socket connections include cut, square, trim, fit-up and jointing.

3. Cast iron pipe handling include laying, hauling, rigging, placement and alignment.

4. Mechanical joint connection include make-on connections and fitting it properly.

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