October 2013
Intermediate to advanced
306 pages
12h 17m
English
Content preview from Estimating for Heating and Ventilating, 3rd Edition
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174 PREPARING THE TENDER
ESTIMATING FOR MECHANICAL VENTILATION WORK
Sheet metal can be made in such a variety of shapes and sizes that
it is impractical for manufacturers to provide catalogues and price
lists covering the day-to-day requirements of the trade. Heating is
somewhat different, because the distribution of water, steam, gas,
and oil is generally restricted to the use of pipes in a rather limited
standard range which, being freely available from stock, are more
easily catalogued.
Manufacturers will quote for supply and delivery of ductwork,
brackets, boltings and fixings to the site ready for trimming, jointing
and erection, and th ...
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