October 2013
Intermediate to advanced
306 pages
12h 17m
English
Content preview from Estimating for Heating and Ventilating, 3rd Edition
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182
PREPARING
THE
TENDER
SUMMARY
OF
TENDER
SUB-CONTRACT
FOR
FACTORY VENTILATION
£
Ρ
( 1 )
Total cost
of
materials
1
135
38
(2) Labour
for
erection, 211 hours
at
£1.00 211 00
(3) Labour, testing, clearing site, and supervision
on
site: 24+8%
of
item (2)=41 hours 41 00
(4) National Insurance, Redundancy Fund, Holiday Credits, Sickness
and Accident Insurance
:
252 hours
at
11 -40
ρ
28
74
(5) Travelling Allowances (job 14 miles from centre) 32 days
at 100p
32 00
(6) Selective Employment Tax. 252 hours
at 6p
15 12
(7)
Add
15%
on
items
2, 3, 4, 5 and 6 to
allow
for
sub-contract
conditions 49 18
(8) Cartage
of
heating materials. (Ventilatio ...
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