BENSON AH150 - Page 17

- - -
-
-
Not less than
600
Not I ess than
600
~parapet
Greater than 1500
I ..
..I
I
Fig 9.
Flat roof, with parapet
All dimen sions are in millimetre s.
-y--,....-r-,-
Not less than
600
Structure
-- ~ - . -
I .. Less than 10 h2 .. /1 r- __ ------=--L-,--e-ss-----:-t-,--h-a-n-1,-:0:-::h--=-,'-----_ .. --I1
Greater than 1500
Fig 10. Flat roof, envelope method
All dimensions are in millimetres.
Structur~e
Not I", thO'
_ !50 l "Jh,
n
!
Greater than 10 h2 I I Greater tha ~ O hI I
~~I~-- -- ~"
Fig 11 Flat roof, where the flue outlet is more than 10 heights (h) away from all structures
A ll dimensions dT e in millimetres.
Not less than
600
Parapet
-
-
~~--+-~-----------
U Less than 1500
Fig 12. Flat roof, with flue close to parapet
All dim ensions are in millimetres.
16