T60 Circular Pits

T60 600mm dia circular pits, sometimes referred to as CCJ Pits, are made to QLD Main Roads SD1415 and are available in a 1mtr, 1.2mtr and split pit options. The pit itself is ideal for installations with multiple conduit entries from any direction as it’s smooth walls provide stability without the risk of the pit caving or collapsing upon backfilling. This pit is manufactured along with multiple options for the T60 collar & T60 Lids, T60 Riser and T60 Concrete Surround to suit a multitude of applications.

T60 Collars

Tri Underground manufacture and supply two different types of collars that are both MRTS91 compliant for the T60 Circular Pit.

T60 Collar – TRI TUFF Collar

Tri Underground are the exclusive manufacturer and supplier of the TRI TUFF Plastic Collar. This Australian made collar has been popular both in Australia and New Zealand as it provides ergonomic and economic benefits. Weighing only 6kg and withstanding Class B load rating, this non-conductive collar is light weight, and easy to transport / install. It can be used with both a TRI TUFF Composite lid & Steel lid as per MRTS91 specification requirements and comes complete with nuts & bolts.

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T60 Collar – Cast Iron Collar

The cast iron collar is also a TMR approved collar that withstands Class B load rating that can be used as per MRTS91 specification. Weighing approximately 30kg, this collar comes complete with nuts & bolts and can be used in conjunction with either the TRI TUFF Composite lid or Steel lid.

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T60 Lids

Tri Underground manufacture and supply two different types of lids that are both MRTS91 compliant and fir the T60 Circular Pit.

T60 Lid – TRI TUFF Cover

Tri Underground are the exclusive manufacturer and supplier of the TRI TUFF Composite Cover which is available in T60 600mm dia Circular, T100 1000mm dia Circular and Type 4 sizes. These Australian made covers are widely used throughout Queensland by both Main Roads and councils as it lightweight, lockable, and made from a non-conductive, slip resistant composite material. This is beneficial as no insulated coating is required to make the lids safe and non-conductive. It meets MRTS91 requirements, TMR certified, AS3996: 2019 Class B load rated and can be used in all T60 Circular Pit applications.

Padlock able options and custom labelling options are also available upon request. Ask our team to find out more about these.

Click here to see our detailed brochure and tech data on the standard T60 TRI TUFF Cover.

T60 Lid – Steel Cover

As well as the TRI TUFF cover, Tri Underground supply the MRTS91 approved steel cover with insulated, non-slip coating. These covers Australian made covers are AS3996: 2019 Class B Load rated and can be used in all the same applications as the TRI TUFF covers.

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T60 Circular Split Pits 

The T60 600mm dia Circular Split Pit (sometimes referred to as CCJ Split Pits) is designed for installation around existing conduits allowing for the installation of additional conduit runs without needing to cut original cables. This is ideal when there is a cross over between different authorities. 

The complete split pit is Class B load rated and is compatible with both cover & collar options currently available and meets MRTS91. 

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T60 Circular Risers 

T60 Circular Risers are designed to raise the height of a T60 circular pit after installation. These are available in two different sizes: 350mm high riser & 275mm high risers. They are made to QLD Main Roads SD181 and come complete with nuts & bolts. 

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T60 Circular Infill Covers

The 2 part-square to round infill cover is designed to be installed over a circular pit without the need for a collar. These are commonly used in urban council areas with decorative footpaths to blend in with the streetscape. These are Australian made from galvanised steel and are commonly filled with either concrete or 40mm pavers. Custom height options are available upon request as well. 

Click here to see our detailed brochure and tech data on this product.