The Rocla Sewer Access System has been designed to provide ease of construction. The precast modular system allows the user to complete manhole construction in a fraction of the time normally taken with insitu concrete without formwork and without delays.

Features & Benefits are:
  • Faster and complete system Less labour cost faster construction means lower labour costs
  • Backfilling proceeds immediately after placing the access units
  • Fewer operator skills and less supervision adds to the cost saving
  • Safer sites - with backfilling immediate, the potential risk to the public is eliminated
  • Safe handling - special handling equipment allows for safe pick-up and placement of the components Joints
  • Rocla mastic jointing allows construction up to a design depth of 10 metres
  • A simple system which ensures a successful test
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Bruno Altin & Co:

Coly Concrete also supply the full range of Sewer Access Systems from Bruno Altin & Co. Pty Ltd please contact us for details of their range of product.

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Coly Concrete stock, supply of Sewer Access Systems from well known manufacturers Rocla and Bruno Altin, throughout the Riverina, Murrumbidgee and South West irrigation areas of NSW.

Please contact us personally to discuss your particular requirements.

We stock, supply and deliver, Irrigation Products from well known manufacturers.

Coly Concrete

Please browse our website to review our complete range of products and contact us to discuss your particular requirements.

We deliver to the entire Murrumbidgee region and beyond.

Our Suppliers

  • Bruno Altin
  • Rocla
  • Milcast
  • Padman Stops
  • Precast Concrete Wangaratta
  • Diamond Grid


Coly Concrete
55 Bencubbin Ave
NSW 2707

Phone: (02) 6954 4610


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