Page 214 - Estimators Piping Man Hour Manual
P. 214

Section Five—UNDERGROUND PIPING         197






                Pipe                   Friction             Positive
                Size                   Clamps               Clamps
               Inches                 Complete              Complete
                 4                      0.25                  0.30
                 6                      0.28                  0.33
                 8                      0,33                  0.38

                 10                     0.38                  0.43
                 12                     0.45   . . . . .  .  .  0.52
                 14                     0,52   .  .  ,       0.62
                 16                     0.60                 0.75
                 18                     0.68                 0.85
                 20                     0  75  .  .           0  95
                 24                     0. 88  . . . . . . .  1  10
     Man hours are  for  labor  only and include handling,  hauling  and  the  complete installation in all
     cases.
            PIPE COATED WITH TAR AND FIELD             WRAPPED
                               BY MACHINE
                           NET MAN HOURS PER LINEAL FOOT
           Nominal                           Nominal
            Pipe           Man Hours          Pipe           Man Hours
             Size           Per Foot           Size           Per Foot
             3/4              0.04             22               0.50
            1                 0.04             24               0.54
            1-1/4             0.05             26               0.59
            1-1/2             0.06             28               0.63
            2                 0.07             30               0.68
            2-1/2             0.08             32               0.73
            3                 0.09             34               0.78
            4                0.12              36               0.82
            5                 0.13             38               0.87
            6                 0.16             40               0.91
            8                 0.20             42               0.96
            10                0.25             44               1.00
            12                0.28             46               1.05
            14                0.32             48               1.10
            16                0.37             54               1.24
            18               0.41              60               1.38
            20                0.45                              ..

     Man hours include:
        Sandblast commercially      Apply two ply of 15# tarred felt
        Apply one prime coat of pipeline primer  Apply one seal coat of pipeline enamel
        Apply 3/32" pipeline enamel
     For hand coating and wrapping add 100% to above man hours.
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