Page 191 - Estimators Piping Man Hour Manual
P. 191
174 Section Four—MECHANICAL INSTRUMENTATION
PNEUMATIC LIQUID LEVEL INSTRUMENTS
Local Mounted
MAN HOURS EACH
Man Hours Each
Displacer Length Type Type Type
Inches 1 2 3
14 3.9 3.9 3.9
32 5.1 5.1 5.1
48 6.4 6.4 6.4
60 7.6 7.6 7.6
72 8.9 8.9 8.9
84 10.1 10.1 10.1
96 11.4 11.4 11.4
108 12.3 12.3 12.3
120 14.0 14.0 14.0
.Vote- LT or LC: Level transmitter or controller, pneumatic, side mounted, external displacement type. Fabricated
steel cage.
Fisher Type 2500 pneumatic controller direct or reverse acting; proportional band adjustment; two 2" cj> 30 psi gauges
with airset mounted on a fabricated steel displacer cage. 316 SS trim; 304 SS displacer; K-Monel torque tube.
Type I: 600# screwed connection; VA" or 2"; fabricated steel cage; top and bottom connections; Fisher Type 249A.
Type 2:600# flanged connections; 1W or 2"; fabricated steel cage; top and bottom connections; Fisher Type 249A.
1
Type 3:300# flanged connections; 1 A" or 2"; fabricated steel cage; top and bottom connections; Fisher Type 249A.
Above man hours include checking out of storage, calibrating, hauling to erection site, installing, testing, and final
checking of the level transmitters or controllers complete with air supply filter-regulator supply and output gauges.
Man hours do not include installation of air supply and air signal lines or bolt-up or make-on of flanges. See other
piping accounts for these man hours.