Page 62 - Estimator's Piping Man-Hour Manual 5E
P. 62

Section One-SHOP FABRICATION     45

                 FLAME BEVELING PIPE FOR WELDING

                                "V" TYPE BEVELS


                                Labor For Straight Pipe Only
                                  Carbon Steel Material

                                NET MAN HOURS EACH
               Standard   Extra Hvy.
       Pipe     Pipe&     Pipe&                SCHEDULE NUMBERS
       Size   O.D. Sizes   O.D. Sizes
       Inches   3/8" Thick   1/8" Thick   20   30   40   60   80   100   120   140  160
     2" Or Less   0.07     0.10              0.07   .-  0.10             0.14
     2-1/2"     0-08       0.12          --  0.08     0.12   --          0.16
     3          0.10       0.14     -        0.10     0.14           -  i 0.19
     4          0.14       0.19          ..   0.14   -  0.19   --  0.26   0.28
     5          0.17       0.24     -       0.17   -  0.24   --  0,30    0,34
     6          0.23       0.30     -    --  0.23   -  0.30     0.39     0.43
     8          0.32       0.44    0.32   0.32   0.32   0.40   0.44   0.52   0.59   0.65
     10         0.44       0.63    0.44   0.44   0.44   0.63   0.68   0.75   0.83
     12         0.48       0.75    0.48   0.48   0.59   0.89   0.94   1.03   --  ..
     14O.D,     0.67       0.89    0.67   0.67   0.79   0.98   1.14   -  ..   j

     160.D.     0.75       1.10    0.75   0.75   1.10   1.22   1.35   -
     18O.D.     0.94       1.34    0.94   1.10   1.34   1.50   --  --  „   j .,
     20 O.D.    1.14       1.50    1.14   1.54   1.65   1.82   -  --
     240.D.     1.73       2.20    1.73   2.32   2.44
                                                                        _L
     For mitre bevels add 50% to the above man hours.
     Above man hours are for flame "V" beveling only and do not include cutting or internal machining. See respective
     man hour tables for these charges.
     For beveling on the ends of bends or shop trimmed fittings, add 50% to the above man hours.
     The above man hours are for wall thicknesses of 7/8" or less. For wall thicknesses greater than 7/8" refer to man
     hours on following pages.
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