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.
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