Page 86 - Estimator's Piping Man-Hour Manual 5E
P. 86

Section One-SHOP FABRICATION     69

                  TESTING FABRICATED ASSEMBLIES
                         Hydrostatic Testing of Flanged Ends

                                 Carbon Steel Material
                           For Pressures Not Exceeding 4,000 P.S.I.

                          NET MAN HOURS PER FLANGED OUTLET
         Nominal        300 Lb.       400 Lb.        900 Lb.
          Pipe            or           and            and          2500 Lb.
           Size          Less         600 Lb.       1500 Lb.
         2 "or less      1.0            1.2           1.3            1.6
         2-1/2           1.3            1.5           1.6            2.0
         3               1.4            1.6           1.8            2.1
         4               1.6            1.8           2.0            2.5
         5               1.8            2.0           2.2            2.7
         6               2.1            2.2           2.7            3.0

         8               2.7            3.0           3.3            3.9
         10              3.2            3.7           4.2            5.1
         12              4.2            4.5           5.2            6.8
         14              5.0            5.3           6.1            --
         16              6.3            6.4           7.5
         18              7.2            8.1           9.1            ..
         20              8.5            9.3          10.7
         24              12.6          14.1          15.7

     Above man hours are for flanged ends only. See following tables for plain or beveled ends.

     Man hours are for a maximum holding time of one hour at test pressure.
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