Page 187 - Estimators Piping Man Hour Manual
P. 187
170 Section Four—MECHANICAL INSTRUMENTATION
LIQUID LEVEL GAUGE GLASSES
Reflex Type
MAN HOURS EACH
Visible
Length Man Hours Each
Inches CS 316SS
6-3/4 4.40 4.84
10-1/4 5.06 5.56
12-5/8 6.38 7.01
19-3/4 6.93 7.62
26-3/4 6.98 7.67
33-3/4 7.59 8.34
45-1/2 8.25 9.07
55 8.91 9.80
65-3/8 10.12 11.13
78-3/4 11.44 12.58
Note: CS = carbon steel, SS = stainless steel
Above rating 2,400 psi @ 100° F to 550 psi @ 600° F.
Man hours are based on Penberthy RLC 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.