E-RETE Sewerage Manholes components are lined internally with 20mm thick high alumina cement motar or painted with 2 layer of epoxy tar.

Eccentric Rest Platforms are provided at every 3m depth for manholes exceeding 5m deep.

Lifting holes are provided on all manholes components.

E-RETE Sewerage Manholes components can be used for a depth of up to 9m with cast insitu concrete surround of 150mm min. thickness.

Upon request, E-RETE Sewerage Manholes Components can be designed and manufactured for a depth exceeding 9m.

Advantage over the cast in-situ structures :-

• Speed of construction
• Less field supervision
• Superior quality (made from spun concrete pipe)
• Reduce overall cost

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