Page 190 - Estimators Piping Man Hour Manual
P. 190

Section Four—MECHANICAL INSTRUMENTATION           173

                                Pressure  Gauges


                                  MAN  HOURS EACH



           Pressure                     Man Hours Each For
            Dial
            Size         Typel         Type 2        Type  3       Type 4
           Inches
             1
             2 A          0.55          —             _             —
             l
             3/>           —            0.55          0.84          1.20
             [
             4 /2          _            0.66          0.92          1.32
             8'/2          —            0.92          1.19          1.45
                                              1
     Type  1: Brass bourdon  tube, drawn steel case, black enamel finish, A" bottom  connection,  0-30 through 0-600 psi
          range. Accuracy: middle half of scale 2% of scale range; remainder 3%.
     Type  2: Brass bourdon tube, phenol turret case,  black finish, W bottom connection,  0-15 through 0-1,000 psi range.
          Accuracy  1% of scale.
     Type  3: Drawn stainless steel bourdon tube, stainless movement, phenol turret case,  V" bottom connection, 0-15
          through 0-1,000 psi  range. Accuracy  % of 1%.
     Type  4: Alloy steel  bourdon tube, bronze rotary movement, cast aluminum case,  54" bottom connection, 0-1,000
          through 0-10,000 psi range. Accuracy 1%.
     Man hours include checking out of storage,  calibrating, hauling to erection  site, installing, testing, and final check.
     Man hours do not include installation  of piping. See piping section  for these  charges.
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