U DRAIN
[SVC]
FEATURES
1 Mini Size U Drain
(Width from 300mm to 450mm)
2 Standard Size U Drain
(Width from 600mm to 1800mm)
3 Supersize U Drain
(Width from 2100mm to 3600mm)
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Type available:
a Comes with dry weather flow (c/w dwf);
b Without dry weather flow (w/o dwf)
**U-drain width 300mm is only available in w/o dwf type.
DESIGN CONSIDERATION OF U DRAIN
LOADING CONDITIONS OF U DRAIN
Loading Condition
Tian Fung [SVC] U-Drain is designed for the standard loading condition as shown in the following graph.
Custom Design
For other loading conditions, special requirement or U Drain size not shown in the tables, kindly contact our Technical Personnel for assistance.
50mm diameter weepholes
Provided for drainage of retained soil which, when combined with the butt joined units, prevent the build up of hydrostatic pressure. As such, the design does not take into consideration of hydrostatic pressures.
Capping Beam (Cast in-situ)
Mini Size = Max. 150mm height
Standard Size = Max. 150mm height
Supersize = Max. 300mm height
Concrete Cover
Mini Size = 25mm
Standard Size = 25mm
Supersize = 30mm
Concrete Strength
35 to 40 N/mm2 at 28 days
GUIDE
LIFTING
