Pre-Installation
Greenstar Danesmoor Utility
2022+
and Utility System
2022+
- 6 721 846 263 (2022/01)24
4.10 PLUME MANAGEMENT
Fig. 28 Plume terminal positions
KEY TO ILLUSTRATION
1. Plume Management kit air intake can be reduced to 150mm
providing the flue exhaust outlet is no less than 300mm adjacent to
a boundary line.
2. 1,200mm between the terminals on opposing walls. Where two
plume management kits are used 1200mm must be maintained
between both opposing terminals and air inlets. Each terminal
should use a minimum length of 500mm plume management
3. Below balcony or overhang. The air intake clearance can be
reduced to 150mm providing the flue exhaust outlet has a
1000mm clearance in BS 5410-1.
4. 300mm distance from a boundary line to the air intake as long as
the exhaust terminal faces away from the boundary line. The
exhaust terminal must have a minimum 300mm clearance to a
surface below and there must be at least 2,500mm (BS 5410- 1)
clearance when measured horizontally in a straight line from the
exhaust outlet to any other surface. If 2,500mm cannot be
achieved then the flue exhaust outlet distance can be reduced to
600mm to comply with Approved Document J of the building
regulations if it will not cause a nuisance or dispute.
5. 2,500mm (BS 5410-1) distance to a surface or boundary line. If
2,500mm cannot be achieved then the distance can be reduced to
600mm to comply with Approved Document J of the building
regulations if it will not cause a nuisance or dispute.
6. Terminals must be at least 1,800mm from an oil storage tank
unless a wall with of at least 30 minutes fire resistance and
extending 300mm wider and higher than the tank is between the
tank and the terminal. The flue air intake must be at least 900mm
away from the oil storage tank vent.
7. 300mm adjacent to a boundary line unless it will cause a nuisance.
BS 5410: Part 1 recommended that care is taken when siting
terminal in relation to boundary lines.
8. Above, below and either side of an opening door, air vent or
opening window. Using a Plume Management kit the air intake
measurement can be reduced to 150mm providing the flue
exhaust outlet has a 1,000mm (BS 5410-1) clearance. If
1,000mm cannot be achieved then the flue exhaust outlet distance
can be reduced to 600mm to comply with Approved Document J of
the building regulations if it will not cause a nuisance or dispute.
9. Internal/external corners. The air intake clearance can be reduced
to 150mm providing the flue exhaust outlet has a 300mm
clearance.
10. Vertical sanitary pipe: 150mm to the flue air intake and 300mm to
the flue exhaust outlet.
11. Proximity of flue duct outlet to boundaries, minimum 2,000mm
distance to an opening in adjacent building facing a terminal. BS
5410: Part 1 recommended that care is taken when siting terminal
in relation to boundary lines.
BOUNDARY LINE
1200
150
150
150
150
150
300
150
300
1000
200
200
300
1000
2500
300
1000
300
2500
300
300
300
2500
1800
100
≥140
≥5
0
0
EXCLUSION ZONE A
100
≥5
0
0
EXCLUSION ZONE A
2500
2500
5
0
0
5
0
0
5
0
0
±80°
EXCLUSION ZONE A
±45°
BOUNDARY LINE
2500
2000
OPENING
OPPOSITE
300
300
300
150
TOP
TOP
FLUE TERMINAL GUARD
7 716 191 176
1000
150
BOUNDARY LINE
BOUNDARY LINE
300
300
TOP
2500
2500
600
600
EXCLUSION ZONE
150
TOP
EXCLUSION ZONE
600
600
45°
45°
6
5
5
5
7
4
2
1
3
7
4
1
1
13
5
10
9
8
8
8
5
5
11
12
12
0010023943-001
NOTICE:
▶ All measurements are the minimum clearances
required.
▶ Terminals must be positioned so to avoid combustion
products entering the building.
▶ Support the flue at approximately one metre intervals
and at a change of direction, use suitable brackets
and fittings.
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