Inspection Openings

Precast concrete inspection cover
  • Suitable for grassed, bituminised and paved areas
  • Available in two sizes to suit 100mm or 150mm risers
  • Minimum concrete strength 32 MPa at 28 days

adelaide Precast concrete inspection cover

Item Approx Mass
100mm IP 33kg
150mm IP 83kg
Grated stormwater collection point
  • Cast iron grate and frame
  • Provides stormwater collection to 150mm drains (fits 150mm PVC collar)
  • Suitable for all paved, bituminised and concreted areas
  • Tar dipped grate and frame

Grated stormwater collection point

Item Approx Mass
Grate and frame 5kg
Flanged I.O. cover and frame • Type 1
  • Suitable for use in concreted and paved areas
  • Available in two sizes to suit 100mm or 150mm risers
  • Cast iron frame and cover are tar dipped
  • Available in bolt down
  • Minimum concrete strength 32 MPa at 28 days
  • Available for sewer or stormwater
Diameter Item Approx Mass
150 dia. clear opening Cover & frame 6.5kg
Support block 45kg
230 dia. clear opening Cover & frame 14.5kg
Support block 40kg

Flanged I.O. cover and frame

I.O. cover and frame • Type 2
  • Suitable for use in paved, bituminised and grasses areas
  • Available in two sizes to suit 100mm or 150mm risers
  • Cast iron frame and cover are tar dipped
  • Available in bolt down
  • Minimum concrete strength 32 MPa at 28 days
  • Available for sewer or stormwater
Diameter Item Approx Mass
150 Cover & surround 32kg
230 Cover & surround 29kg

Precast concrete flushing point support block
  • For heavy surface installation with common effluent drains
  • Will suit both 100mm and 150mm flushing points
  • Designed to suit I.O. cover and frame type 2 (refer to Ri-Industries’ data sheet E3)
  • Minimum concrete strength 32 MPa at 28 days

Item Approx Mass
1,000 x 700 185kg
600 x 600 100kg
Cast iron grates & frames
Sump grates standard sizes
Available in: 300 x 300 / 450 x 450 / 600 x 600 / 900 x 900
Non standard sizes available on request
Light duty galvanised grates & frames
  • Also available for heavy duty application
  • Hot dipped galvanised after fabrication
  • Suitable for use in concreted or bitumised areas servicing pedestrian traffic
  • Special sizes to suit other pits supplied to order
Description Weight
300 x 300 7.2kg
450 x 450 15.5kg
600 x 600 24.5kg

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Chequerplates & sump finishing collars
  • 6mm thick galvanised chequerplate
  • For finishing pits in grassed, bituminised or paved areas
  • Special sizes fabricated to order
  • Minimum concrete strength 32 MPa at 28 days

Item Weight
300 x 300 Clear Opening
300 x 300 Plate 6.5kg
300x 300 Surround 21.5kg
450 x 450 Clear Opening
450 x 450 Plate 13.5kg
450 x 450 Surround 21.5kg
600 x 600 Clear Opening
600 x 600 Plate 6.5kg
600x 600 Surround 21.5kg