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Plastic Pits & Covers

Tri Underground Plastic Pits are lightweight Access Pits suitable for supporting Class A and B load rated Covers.  The pits are manufactured in Polyethylene and come in a variety of sizes to suit most applications. 

We stock and supply:

  • Electrical Pits and Lids
  • Communications Pits and Lids
  • Telstra Pits and Lids
  • NBN Pits and Lids
  • Queensland Main Roads Pits and Lids

 Features

  • Lightweight and easy to positionplastic_pits
  • Suitable for most jointing applications in support of up to Class B Cover Loading
  • Most pits are able to be expanded by the use of a Riser.
  • Conduit access points easily drilled or cut.
  • Covers available in Reinforced Concrete, Cast Iron, Galvanised Steel and Plastic with anti-slip and non-conductive options together with both locking and non-locking options.
  • Concrete Collars available for most pit sizes

 

Pit Sizes and Covers available

Pit Type

Dimensions length (l), width (w) and depth (d)

Concrete Covers (Class A Loading) to MRTS-91

Lockable Galvanised Steel Covers (Class B Loading) with anti-slip and anti-conductive coating  to MRTS-91

Downlaod Product Details

P1 Oval

520l x 230w x 410d

Electrical,  Communications and Traffic Signal

Electrical and  Communications

PDF

P2 Oval

665l x 285w x 585d

Electrical and  Communications

PDF

P3 Rectangular (Type N1/3)

570l x 340w x 560d

Electrical and Communications

Electrical and  Communications

 

P3 Oval

780l x 298w x 630d

Electrical and Communications

PDF

P4 Rectangular

705l x 405w x 830d

Electrical,  Communications and Traffic Signal

Electrical and  Communications

PDF

P4 Rectangular

710l x 400w x 830d

Electrical and Communications

 

P5 Rectangular

705l x 450w x 660d

Electrical,  Communications and Telstra

PDF

P5 Rectangular

710l x 450w x 650d

Electrical and Communications

 

P6 Rectangular

1360l x 555w x 660d

Electrical,  Communications, Telstra  and Traffic Signal

Electrical and  Communications

PDF

P7 Rectangular

1040l x 555w x 1125d

Electrical and Communications

Electrical and  Communications

PDF

P8 Rectangular

1360l x 555w x 860d

Electrical, Communications and Traffic Signal

Electrical and  Communications

PDF

P9 Rectangular

2040l x 585w x 900d

Electrical,  Communications and Telstra

galvanised steel one piece non-locking covers available

 

TriTuff 600 Circular

680w x 1000d

Electrical and Communications

Electrical and Communications.  Supplied in Plastic or Galv Steel

 

BCC Square to Round Pit

600w x 1000d

Electrical

Plastic Cover only