DURHAM DRAINAGE APPROVED BY TFNSW & RMS
15 Sep 2022
Based on its high standard of quality, Durham’s standard wet-cast pits, access covers, grates and precast lintels are approved for use by Transport for New South Wales and the Roads & Maritime Services.
B R Durham & Sons is an Australian owned and operated company with more than 70 years’ experience in providing Australian and international markets with long-lasting, quality drainage products with third-party accreditation. The company ethos is “making the job easy for you”.
Durham designs, manufactures and supplies precast concrete structures, access covers and grating for residential, commercial and industrial purposes – ranging from class A (pedestrian) to Class G (airport taxiways). Made and certified to Australian Standards such as AS3996, AS4198, AS5100.2, AS5100.5, AS3600, RMS R11, RMS R155, ARTC-ESC-11-01, SPM0123 & SPG0705, just to name a few. 
Durham products are supplied to industries of residential, commercial, industrial, infrastructure, road, rail, ports & airports. The product range includes the following types:
Precast Concrete | Reinforced precast concrete pits, sewer shafts, risers, kerb lintels (TfNSW, RMS, and council type), grates and access covers, and precast concrete surrounds. To AS4198 standards.
Access Covers | Concrete infill, paver infill and solid top types, available in assorted sizes from 300x300 to 1200x1200 clear opening. Multiple part access covers available for sizes over 1200x1200. Trench access covers also available. All-access covers are gas, air and watertight. Third-party accredited to AS3996.
Round Covers | Sewer and stormwater infill and solid top types available in Classes B and D. Saint-Gobain hinged round access covers with unique spring bar locking system. 
Sump Gully Grates | Available in galvanised mild steel and cast ductile iron. All grates are bicycle safe. Pedestrian and wheelchair guards are also available. RMS and council approved types.
Trench Grating | Pedestrian, bicycle and wheelchair safe trench grating readily available in galvanised mild steel, cast ductile iron or stainless-steel grade 316.
Cast Iron Boxes | Water, gas, gas-tight sealed, stop valve, hydrant and subsoil.
Underground Water Tanks
Step Irons | Galvanised and plastic coated
Lifting tools/keys | Short and long handle 
With factories located in Western Sydney Region, Newcastle Region, Yass (ACT), South Australia, Northern Territory & Tasmania distribution, Durham can supply bespoke civil solutions nationwide.
Find out more products from Durham via the links below.
