Drainage
IS 5758:2020 - Precast Concrete Drainage Channels
Key technical information and requirements related to Drainage Channels from IS 5758:2020.
IS 5758 : 2020 SPECIFICATION FOR PRECAST CONCRETE KERBS, CHANNELS,
EDGING, QUADRANTS & OTHER ASSOCIATED FITTINGS
Key Information - Channels
CHANNEL PROFILES (Fig.4):
CHANNEL DIMENSIONS (Table 1):
TOLERANCES: (On manufacturer’s declared work dimensions)
Length: +/- 1% or +/- 10mm, whichever is smaller.
Faces: +/- 3% or +/- 5mm, whichever is smaller.
Other Parts: +/- 5% or +/- 10mm, whichever is smaller.
Flatness, Straightness: As given in Table 3 (below)
TESTS
Bending Strength (5 units):
Average ≥ 5.0 MPa
Individual ≥ 4.0 MPa
Water Absorption (3 units):
Average ≤ 6%
SAMPLING
8 samples from every lot/consignment of 2,000 units or part thereof.
(For further details please refer to the Standard)
