BENSON OLYMPIC WH - Page 13

Fig 2.
lot less than
600
[P arapet
Greater than 1500
Flat roof, with parapet
All d imen sions ll re in m ill i me tre's.
~I
Not less than
600
Fig 3.
Not less than
600
-,--,--+..., -- -- -- --
Ie .Less than 10 h2 .. I
Flat roof, envelope method
A ll dinll'n~ ions a re in m illim etres .
Less than 10 hl
Greater than 1500
Structure
~I
Fig 4.
Greater than 10 h 2
D
1-
INot ['" thoe
250
Greater than
10 hl
Flat roof, where the flue outlet is more than 10 heights (h) away from all structures
A ll d im ensi ons ,1r(' in m il limetre'S.
Fig 5.
Not less than
600
Parapet
:1~---+-....L.I ' ---'-~ __ _
U Less than 1500
Flat roof, with flue dose to parapet
All diTl1 (,llsio n ~ ('IT e in millimetre s.
12