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Requirement (environment condition (traffic, spatial considerations(road),…
Requirement
environment condition
traffic
spatial considerations(road)
rugged
lighting inside manhole
govt. guidelines
silt
dry
slurry
solid+water(settled)
simple
operator friendly
manufacturing
Cost effectiveness
design for repairability
running cost
maintenance
operation(labour cost)
100% Effectiveness
cleaning of non-reachable areas
After desilting
transportation
spillage free
odour free
corrosion
safety
no man entry