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E-RETE
has the facilities for the manufacture of reinforced concrete drainage
and sewerage manholes with internal flush rebated / Ogee joints.
E-RETE
reinforced concrete Manholes are manufactured to MS 881: Part 1
: 1991 and to "Guidelines for Developers-Sewer Network and
Pumps Station Volume 3 by Ministry of Housing and Local Government,
Sewerage Services Department (JPP)"
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.
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