October 2013
Intermediate to advanced
306 pages
12h 17m
English
Content preview from Estimating for Heating and Ventilating, 3rd Edition
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PREPARING
THE
TENDER
201
SUMMARY
OF
TENDER
CONTRACT
FOR
SMALL BORE CENTRAL HEATING
AND CONVERSION
OF
EXISTING DIRECT
HOT
WATER SYSTEM
TO INDIRECT OPERATION INCLUDING
THE
PROVISION
OF A
NEW INDIRECT CYLINDER
£
Ρ
( 1 )
Total cost
of
materials 314 33
(2) Total cost
of
labour
for
erection 118
h at £1
118
00
(3) Supervision, testing, cleaning
up, and
operating instruction
to
householder: 18
h at £1
18 00
(4) Travelling allowance
:
17daysat28p 4 76
(5) National Insurance, Redundancy Fund, Holiday Credits, Sickness
and Accident Insurance: 136
h at
11·40ρ 15 50
(6) Selective Employment Tax: 136
h at 6p
8 16
(7) Cartage
of
materials:
3 h at
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