Page 57 - Estimators Piping Man Hour Manual
P. 57

40   Section One-SHOP  FABRICATION

         FLAME CUTTING HEAVY WALL PIPE—PLAIN ENDS


                                Labor For Straight Pipe Only
                                  Carbon Steel Material

                                 NET MAN HOURS EACH

       Nominal                        WALL THICKNESS IN INCHES
         Pipe                               1
         Size    .750    1.00   1.25   1.50   1.75   2.00   2.25    2.50
          3      0.45   0.80     ..     ..     ..     —              ..
          4      0.80   0.95    1.35   1.50    --     --     „       ..
          5             1.10    1.40   1.70   1.90   2.15    -       ..
          6       ..     1.35   1.60   1.90   2.15   2.35    2.70    ..
          8       „      1.60   1.90   2.10   2.45   2.65   2.95    3.45
          10      ,.     ..     2.10   2.35   2.65   2.90   3.25    3.70
         12       ..     -       „     2.65   2.85   3.25   3.60    4.05
         14       ..     „       —     3.05   3.15   3.50   3.90    4.45
         16       ..     -       -            3.65   4.20   4.75    5.20
         18       „      „       -          ]        3.90   5.20    5.80
         20       .,     ..      -             „     5.20   5.80    6.55
         22       ..     ..      -      ..     -      ..     -      7.10
         24       --     --      --     ..     --     --     --     8.05

                 2.75   3.00    3.25   3.50   3.75   4.00   4.25    4.50
          10      4.00   4.25    _      „      ._     ..     „       ..
          12      4.50   4.85   5.20   5.60    -      -      „       ..
          14      4.95   5.35   5.60   6.35    6.80   7.45   ..
          16      5.65   6.10   6.55   7.10    7.70   8.45   „       ..
          18      6.35   6.80   7.45   8.05    8.70   9.65   -       „
         20       7.00   7.55   8.30   9.05    9.80  10.65  11.55  12.40
         22       7.85   8.50   9.05   10.05  10.95  11.80  12.70  13.65
         24       8.70   9.45  10.25   11.20  11.80  13.10  14.30  15.65

                 4.75   5.00    5.25   5.50   5.75   6.00
         20      13.25  14.05  15.00   15.80  16.75  17.60
         22      14.60  15.55  16.40   17.30  18.25  19.25
         24      16.90  17.80  18.90  20.00   21.00  22.15
     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 and time requirements.
     For cutting the ends of bends or trimming fittings, add 50% to the above man hours.
   52   53   54   55   56   57   58   59   60   61   62