Page 189 - Estimators Piping Man Hour Manual
P. 189
172 Section Four—MECHANICAL INSTRUMENTATK^
LIQUID LEVEL GAUGE GLASSES
Reflex Type
MAN HOURS EACH
Visible
Length Man Hours Each
Inches CS 316SS
6-3/4 4.43 4.85
10-1/4 5.10 5.60
12-5/8 6.40 7.04
19-3/4 6.95 7.65
26-3/4 7.00 8.00
33-3/4 7.63 8.37
45-1/2 8.30 9.10
55 8.91 9.85
65-3/8 10.12 11.17
78-3/4 11.44 12.62
Note: CS = carbon steel, SS = stainless steel
Above rating 4,000 psi @ 100° F to 2,200 psi @ 600° F.
Man hours are based on Penberthy RH Series.
Man hours include checking out of storage, calibrating if necessary, hauling to location and installing. Man hours do not
include valve, piping, or any electrical installation. If liquid level gauge valves are required, use 2.0 man hours per pair.