October 2013
Intermediate to advanced
306 pages
12h 17m
English
Content preview from Estimating for Heating and Ventilating, 3rd Edition
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ESTIMATING LABOUR REQUIRED
FOR
ERECTION
137
Size of mains
Hours, fitter-welder
and mate
mm in
Hours, fitter-welder
and mate
25
1
600
32
Η
6-20
40
Ii
6-50
50
2
6-75
65
2i
700
80
3
7-50
100
4
800
Section 13
STEAM HEATED RADIANT PANELS FIXED ABOVE FLOOR
IN PAIRS AS FIGURE 10
Empty weight of each panel 77 kg (170 lb) to 91 kg (200 lb)
80mm
(3"
STEAM
Section 12
HOT WATER FLOOR PANELS
20 mm
(J
in) pipes at 190 mm (7| in) or 225 mm (9 in) centres
Off load
at
site, panels, pipes, fittings,
and
valves,
and
move
to
fixing position
on
ground floor.
Lay on
floor slab, level, remove
end
caps,
fit
tees
in
mains, valves
on
flow and return connections, connec ...
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