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 151
Grille size
mm
Grille size
in
Hours, fitter and mate
Grille size
mm
Grille size
in
A Β
Grille size
mm
Grille size
in
At low
level
At high
level
At low
level
At high
level
300 x 300 Up to 12x12 100
1-5
1-50 2-25
600 χ 600 24x24 1-50 20
200 300
750 χ 900
30x36
1-75 2-5 2-25 3-25
900x 1200 36x48
2-25
30
300
400
1200x 1200
48x48
2-50 40
3-50
500
1200x 1500 48x60 300 50 400 600
Variations
For each floor above ground floor add 5 per cent.
For work in occupied building add 30 per cent.
Section 32
PROPELLER FANS
Off load at site, one propeller fan and move to near fixing position on groun ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.