Culvert details plan

Construction details inspection chamber

slow sand filtration

wastewater treatment

Chamber breaks pressure pat

sludge cart

Sanitary sewer

3d sand trap

sanitary collector

settler

sand trap

Table for calculation of sewerage pipes xls

Energy dissipating pool-channels

Spring catchment plan; architectural detail

Fire station; water and sanitation network

Culvert stormwater drainage

water treatment plant

automatic gates

Manhole cover

Splitter – storm drains

sludge pressing system