Page 188 - Estimators Piping Man Hour Manual
P. 188
Section Four—MECHANICAL INSTRUMENTATION 171
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
45-1/4 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 8,000 psi @ 100° F to 1,700 psi @ 600° F.
Man hours are based on Penberthy RM 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.
