Page 224 - Estimators Piping Man Hour Manual

Section Nine—INSULATION 207

INSULATION

HOT PIPING — MAN HOURS
Screwed Flanged
Pipe Straight & Weld Valves
Size Pipe Fittings Flanges fc Fittings
Inches Thickness and Type per 1. f. per each per pair each
1/2 1" thick Calsilite .11 .14 .36 .74
3/4 1" thick Calsilite .11 .15 .36 .74
1 1" thick Calsilite .12 .18 .36 .74
1-1/2 1" thick Calsilite .13 .21 .41 .83
2 1" thick Calsilite .14 .22 .44 .88
3 1" thick Calsilite .18 .27 .54 1.37

4 1" thick Calsilite .21 .34 .65 1.65
5 1" thick Calsilite .25 .52 .72 2.05
6 1" thick Calsilite .25 .61 .77 2.15
7 1-1/2" thick Calsilite .33 .93 .96 2.96
8 1-1/2" thick Calsilite .36 1.18 1.10 3.39

Man Hour;
1. Above thicknesses and man hours are for all hot services, if calcium silicate is used.
2. The above man hours are for either indoor or outdoor service.
3. Bent Pipe: 1.5 x straight pipe of like size and thickness measured along outside radius.
4. Steam Traced Piping: To be man houred at size of pipe covering required to fit over
pipe and tracer line.
5. Method of Measurement: Straight pipe to be determined by measuring along approximate
center line over the exterior of the insulation from center line to center line of change
of direction. Measurement shall be made through all valves and fittings, except bent
pipe.
6. Specifications:
a. Pipe Covering: Molded sections secured with 16 ga. galvanized tie wire, finish: In-
doors with 6 ounce canvas with laps sealed with Arabol lagging adhesive. Finish:
Outdoors with 55# Fiberock Asbestos Roofing felt secured with 16 ga. galvanized tie
wire 6" o. c.
b. Fittings: To be built-up with insulating cement or sectional pipe covering pointed up
with asbestos cement, finished with 6 ounce canvas and Arabel for indoor service
and "Seal Perm" for outdoor service.