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Captive Hinged Manhole Covers & InfraRiser Video with EJ

EJ previously known as HaveStock.

Captive Hinged Manhole Covers

The captive hinge is a desirable feature in flood prone areas; as it stops the cover from being washed away in the flood waters.

The hinged covers can pop open to release surcharges and as the surcharge level drops; the cover will lower itself back into the closed position.

Because the cover closes and seals off the manhole chamber again, it is also much safer for the clean-up / repair crews when they are out on the flooded streets and pathways.

InfraRiser®

The Infra-Riser® provides the necessary elasticity between the casting and its bedding. These two elements then work together rather than against each other.

Infra-Riser®'s compression properties ensure that the bearing pressure is evenly distributed. Shocks and vibrations are also optimally absorbed.

Infra-Riser® is available in a range of sizes and heights to suit most applications. A tapered unit is also available.



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07 3216 5000

2/354 South Pine Road, Brendale, QLD, 4500

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07 3216 5000

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