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EZIpit

The Iplex EZIpit® 425 (MS), EZIpit® 600 (MC) and EZIpit® 1000 (MH) offer significant benefits in sewer construction and flexibility in sewer networks. The environmental, technical and economical demands of water authorities for a water-tight, corrosion proof, stable and durable sewer system is now a reality with the Iplex EZIpit® systems.

Product Details

Standards and Approvals

All components of the EZIpit® range comply with the following Standards:

  • WSA 137 Industry standard for unplasticiyed poly (vinyl Chloride) (PVC-U), Polypropylene (PP) and Polyethylene (PE) maintenance shafts, maintenance chambers and maintenance holes for sewerange.
  • I.S.EN 13598-2 ‘Plastics Piping Systems for Nonpressure Underground Drainage and Sewerage – Un-plasticised Poly (vinyl Chloride) (PVC-U), Polypropylene (PP) and Polyethylene (PE) - Part 2: Specifcations for Manholes and Inspection Chambers in Traffic Areas and Deep Underground Installations.
  • ISO 13272 ‘Plastics piping systems for non-pressure underground drainage and sewerage – Un-plasticised poly (vinyl chloride) (PVC-U), polypropylene (PP), polypropylene with mineral modifers (PP-MD) and polyethylene (PE) - Part 2: Specifications for Manholes and Inspection Chambers in Traffic Areas and Deep Underground Installations.
  • EN14396 'Fixed ladders for manholes'.
  • AS/NZS 5065 ‘Polyethylene and polypropylene pipes and fttings for drainage and sewerage applications’.
  • AS 3996 ‘Access covers and grates’.
  • AS 1646 ‘Elastomeric seals for waterworks purposes’.

These Standards specify the material, performance and design requirements for plastics maintenance Shafts and Chambers, ensuring adequate resistance to site loadings and durability in operation. The structural strength of the EZIpit® is sufficient to deal with 6m depth of cover and tightness is ensured to withstand a pressure of 0.5 Bar vacuum or 5m water column.

The following Product Specifcations are also relevant:

  • WSA PS-315 Fixed Ladders for Man Entry Structures - water supply and sewerade
  • WSA PS-337 Maintenance Chambers (MC) – Polypropylene (PP) for Non-Pressure Applications – Gravity Sewerage
  • WSA PS-341 Maintenance Shafts (MS) - Polypropylene (PP) for Non-Pressure Applications – Gravity Sewerage
  • WSA PS–290 Access Covers and Frames for Water Supply and Sewerage to WSA 132
  • WSA PS–240 Polypropylene (PP), Ribbed Construction
  • WSA PS-230 Polyvinylchloride, Unplasticised (PVC-U) Pipes and Fittings for Non-Pressure Applications - Sewerage and Drainage. 

EZIpit® maintenance chamber and shaft components are manufactured under a third party certifed management system complying with AS/NZS ISO 9001 and have ISO Type 5 product certifcation.

The EZIpit® has been appraised by WSAA and the product appraisal report No 09/01 Issue 4, ‘EZIpit® Polypropylene (PP) Inspection and Maintenance Chambers and Shafts ’ was published on the 22nd September 2017.

EZIpit® 425 Sewer Maintenance Shaft
DN425 polypropylene base with adjustable rubber ring joint sockets compatible with smooth wall DWV PVC-U pipes manufactured to AS/NZS 1260. The pre-benched EZIpit® 425 bases are available with 6 different flow profiles allowing change in direction and side inflow connections. The standard profiles are 30°, 60°, 90°, straight through (180°) and double sweep junction profile for DN150 DWV pipe and straight through (180°) profile for DN225.
DN425 polypropylene corrugated riser The 425 Riser is available in 2m,3m and 6m lengths, when can be cut or site to adjust the height of the shaft. The DN 425 corrugated riser is orange / brown in color
SBR seals SBR seals are used for a high performance leak tight unit
Cover arrangements Cover arrangements suitable for both trafficable condilions (Class D) and non-traflicable conditions (Class B) are available different installation requirements (Cap and lid arrangement or 'Top Hat' Frame)
Riser inflow connection Riser inflow connection consists of a moulded polypropylene Riser Junction with spigot off-rake. A standard PVC DWV RRJ coupling and level invert taper (LIT) provides an effective joint with the PP spigot off-take.
EZIpit® 600 Sewer Maintenance Chamber
DN600 polypropylene base DN600 polypropylene base with adjustable rubber ring joint sockets compatible with smooth wall DWV PVC-U pipes manufactured to AS/NZS 1260. The pre-benched EZIpit® 600 bases are available with 6 different flow profiles allowing a change in direction and side inflow connections. The standard profiles are 30°, 60°, 90°, straight through (180°) and double sweep junction profile for DN150, DN225,DN300* DWV pipe (*subject to availability).
DN600 polypropylene corrugated riser DN600 polypropylene corrugated riser is available in a range of lengths to accommodate installation depths up to 6m. The DN600 riser is light grey in colour.
SBR seals SBR seals are used for a high performance leak tight unit
Cover arrangements Cover arrangements suitable suitable for both trafficable condilions (Class D) and non-traflicable conditions (Class B) are available for different installation requirements (Cap and lid arrangement or 'Top Hat' Frame)
Riser inflow connection Riser inflow connection consists of a prefabricated Riser Junction with spigot off-rake. A standard PVC DWV RRJ coupling and level invert taper (LIT) provides an effective joint with the PP spigot off-take.
EZIpit® 1000 Sewer Maintenance Hole
DN1000 Polypropylene Base   


DN1000 polypropylene base with adjustable rubber ring joint sockets compatible with smooth wall DWV PVC-U pipes manufactured to AS/NZS 1260. The pre-benched EZIpit® 1000 bases are available with 6 different flow profiles allowing a change in direction and side inflow connections. The standard profiles are 30°, 60°, 90°, straight through (180°) and double sweep junction profile for DN150, DN225,DN300* DWV pipe (*subject to availability).

DN1000 Polypropylene Corrugated Riser 

The 1000 Riser is available in 1.2m, 2.4m, 3.6m and 6m with plain ends which can be cut off to adjust the height of the shaft. The DN 1000 corrugated riser is orange/brown in colour. 

SBR Seals 

SBR seals are used for a high performance leak tight unit. 

Cover Arrangements 

Cover arrangements suitable for both trafficable conditions (Class D) and non-trafficable conditions (Class B) are available different installation requirements (Cap and lid arrangement or 'Top Hat' Frame).

Riser Inflow Connection 

  • PP corrugated riser prefabricated with DN225 (250mm OD) or DN150 (160mm OD) PP spigot in-take branch suitable for either internal or external drops or property connections. 
  • For DN100 DWV (110mm OD) connection add a PVC DWV Level Invert Taper (LIT) M&F with a DWV PVC Coupling (F&F). 

Cone 

DN1000 X DN600 Reducing Cone. Black polypropylene with grey corrugated riser.