Page 126 - Estimators Piping Man Hour Manual
P. 126

Section Two-FIELD FABRICATION      109

                  FLAME CUTTING PIPE—PLAIN ENDS


                               Labor For Straight Pipe Only
                                  Carbon Steel Material

                                NET MAN HOURS EACH
               Standard  Extra Hvy.
        Pipe    Pipe&     Pipe&                SCHEDULE NUMBERS
        Size   o n  Sis»»  O D  Sizes
               VAA^.
                   kjleas
       Inches  3/8 "Thick  1/2" Thick  20  30  40  60  80  100  120  140  160
     2" Or Less  0.10      0.15     „   „   0.10  „   0.15  „   -.       0,21
     2-1/2       0.12      0.17     .,  -   0.12  -   0.17  -   -    „   0.23
     3           0.15      0.21     ..  ..  0.15  „   0.21  --  ..   ..  0.28
     4           0.21      0.28     -   -   0.21  -   0.28  „  0.38  ..  0.41
     5           0.24      0.36     ...  .,  0.24  „  0.36  -  0.44  ...  0.49
     6           0.33      0.45     -   -   0.33  ..  0.45  -  0.56  ..  0.63
     8           0.46      0.64    0.46  0.46  0.46  0.59  0.64  0.76  0.86  0.97  1.14
     10          0.64      0.92    0.64  0.64  0.64  0.92  0.99  1.09  1.24  1.43  1.73
     12          0.70      1.09    0.70  0.70  0.86  1.30  1.37  1.48  1.73  1.91  2.05
     14O.D,      0.98      1.30    0.98  0.98  1.15  1.44  1.67  1.78  1.96  2.30  2.42
     16 O.D.     1.09      1.61    1.09  1.09  1.61  1.78  1.90  2.13  2.30  2.59  2.93
     18O.D.      1.42      2.01    1.42  1.65  2.01  2.24  2.36  2.66  2.83  3.19  3.72
     20 O.D.     1.71      2.24    1.71  2.30  2.48  2.66  2.83  3.13  3.30  3.84  4.37
     24 O.D.     2.60      3.30    2.60  3.48  3.66  3.84  3.95  4.31  4.78  5.37  6.08

     For mitre cuts less than 30°, add 50% to the above man hours.

     For mitre cuts 30° or greater, add 100% to the above man hours.
     Man hours are for cutting pipe with plain ends only and do not include beveling, threading, etc. See appropriate
     man hour tables for these operations.
     For cutting the ends of bends or trimming fittings, add 50% to the above man hours.
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