Page 157 - Estimators Piping Man Hour Manual
P. 157

140  Section Two-FIELD  FABRICATION

                SCHEDULE         4O   LEAD     LINED      STEEL
                           PIPE    AND     FITTINGS


                            MAN  HOURS PER  UNITS LISTED
                                                       Butt  Welds
                     Handle     Cut  and               Incl.  Lead
          Pipe        Pipe       Thread     Make-Ons     Burning    Bolt-Ups
          Size      Per  L.  F.  Each         Each        Each        Each
          1-1/4        .22        .15         .30          .90         .60
          1-1/2        .25        .16         .35         1.10         .65

         2            .33         .25         .38         1,30         .70
         2-1/2        .35         .30         .40         1.45         .80
         3            .40         .33         .45         1.55         .85
         3-1/2        .45         .35         .47         1.65        1.00
         4            .50         .50         .55         1.85        1.20

         5            .65          --          -          2.20        1.35
         6            .80          --          --         2.80        1.50
         8            1.20         ..          --         3.40        2.10
          10          1.60         -           --         4.30        2.70
         12           2.25         --          --         5.55        3.40

      Pipe  Units:  Pipe units  include  rigging,  erecting  and  aligning  of pipe.  It  is  customary to
         order  this  type  piping  prefabricated  with  lead  lined  fittings  in  place.  Should  this  be
         the  case  add  20 percent  to  handling pipe  units  for elimination  of  field  make-ons  and
         handling of additional weight.

      Cut  and  Thread  Units:  Cut  and  thread  units  include  hand  cutting  and  threading  of pipe
         two inches  and  smaller  and  machine  cutting  and  threading  of sizes  two  and  one half
         inches  and larger.
      Make-On  Units:  Make-on  units  include  making  on  of  screwed  type  fittings.  Ells  = two
         make-ons,  tees = three make-ons,  etc.
      Butt  Welds:  Butt  welds  including  lead  burning units  include  circumferntial  manual  elec-
         tric  weld  and fusing together  of lead  at joint.
      Bolt-Up  Units:  Bolt-up units include bolting together  of flanged  connections.
      All  Units:  All units  include  unloading, handling and hauling to  storage  and  erection  site.
      Man hours  do not  include  supports or  scaffolding.  See respective  tables  for these  charges.
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