October 2013
Intermediate to advanced
306 pages
12h 17m
English
Content preview from Estimating for Heating and Ventilating, 3rd Edition
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MATERIALS 111
LIST
OF QUANTITIES
SECTION 1. WORKSHOP NO. 1
No.
Description
6 downpipes, each 4-6 m long χ 220 mm diameter χ 24 B.G.
6 bends at branches with duct.
6
twin bends at discharge points.
6 dampers.
12 fixing brackets for downpipes. 25 χ 3 mm flat iron.
12-2 metres of 220 mm diameter χ 24 B.G. duct at high level.
6
flat iron brackets for above duct. 30 χ 4 mm.
75
10 mm diameter χ 50 mm Whitworth bolts and nuts.
150
10 mm washers.
12-2
metres 275 mm diameter χ 24 B.G. duct with stiffeners at joints (at high
level).
6 flat iron brackets. 25 χ 3 mm.
25
10 mm diameter χ 50 mm Whitworth bolts and nuts.
50
10 mm washers.
61
metres
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