Access Covers - Lids, Grates and Rails

This robust square shaped polyethylene access cover is designed to fit all STORM products with a 600 x 600 access opening. The lockable pedestrian-trafficable cover fits into a matching recess in the tank collar to provide and even surface across the top of the tank. The loading of 5000N / Class A specifications have been exceed in a light weight PE secure access cover with comprehensive design structure confirmed with FEA analysis.

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Below ground structures or devices are confined space and generally are below 1200mm of depth.  It is not recommended that entry is gained into a tank or riser combination device when installed except by persons as suitably trained and Confined Space Access certified operators in compliance of the applicable law. 

All fittings and configurations are capable of being installed into the tank device before inground installation and backfill for improved safety. Your supplier can configure to your specification so the package is suitable for immediate inground installation otherwise it is recommended that all internal and external fittings can be attached whilst the tank is on its side or freestanding on ground prior to inground installation.

This ground level extender (riser) allows compatible STORM devices to be installed deeper into the ground than their specified design performance when using additional means of structural design detailed with approval by a suitably qualified engineer.

The riser fits securely into the tank collar and the tank collar will accept the riser component for the desired step iteration.  The riser design also allows for the support devices optioned for this tank range including a collar frame as a ladder bracket and top guide rail support for longer pump rails and facilitates various pipe inlet positions.

A single riser is considered the limit for use on a single tank device as the component parts have not been tested for ground conditions from FEA analysis.  This may allow an additional installation depth with appropriate site conditions as designed and approved by a suitable qualified engineer.

Dimensions : inside collar 700mmx 700mm x 605 mm (H)   The riser can be utilised for sectional extensions of 550mm, 360mm or 165mm as required by fitting the lower step of each iteration onto the lower step of the tank collar.

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The One Water valve box provides convenient access to the control valves associated with Pump Stations and Collection Wells The box is especially designed to match our tank range and provide an easy installation option. Learn More