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Stormwater
Detention Systems
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Wilmac have designed a cost effective
modular stormwater detention system
to comply with Local
Council and River Catchment Trust's requirements.
Our units
are easily handled on site by normal
excavators and backhoes, so
no costly crane hire is necessary. The units are placed on a preformed
slab
at the specified invert levels, then end walls are fitted and the unit can be
backfilled immediately.
Cost reductions can be as much as 50% compared
to conventional methods of construction.
Click on code for more detail
6 UNIT (10800 litres) SYSTEM IN GROUND BEFORE
BACKFILLING
Code
Internal Size
External Size Weight (kilo)
DET-U
1500x1200x1000 1650x1200x1150
1125 1800 Litre Plain Unit
DET-UA
1500x1200x1000 1650x1200x1150 1090
1800 Litre Access Unit
DET-UE 0x0x0 1650x100x1150
380 Bolt On End Wall
DET-UW 1500x1200x1000 1650x1200x1150
1280 1800 Litre Access Unit with
Weir
SPECIFICATIONS
ALL
CONCRETE 40Mpa WETMIX CONFORMING TO AUSTRALIAN STANDARD AS1480-1974
ALL
REINFORCEMENT CONFORMING TO AUSTRALIAN STANDARD AS1392-1974
ENGINEER
APPROVED SYSTEM, EACH UNIT APPROX. 1800 LITRES
END UNITS CAN
BE FITTED WITH ROUND CONCRETE ACCESS MANHOLES
OR CHILDPROOF HINGED GRATES AND FRAMES
END WALLS ARE
SUPPLIED WITH PIPE KNOCKOUT REBATES AND ARE
FITTED BY MEANS OF GALVANISED BOLTS AND
CAST IN SLEEVES
‘WILMAC’
MULTI-TYPE TRASH SCREENS, S/ STEEL ORIFICE PLATES AND FLAP VALVES CAN
BE
EASILY FITTED INTERNALLY.
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