Sanitation

biological reactor

Detail of reinforced concrete mailboxes

Electrical plans and false ceiling

sewerage plan

Ptapr 1.0 lps – wastewater treatment plant

sand trap

water treatment plant

Suspension bridge design 50m for sewerage doc

Sewage plan in trail - autocad

Detail of condominium drainage in sanitation

Bar channel and sand trap

Culverts in carriageway track

Weir structure in pretreatment

drainage network

Detail of metal grilles

Water treatment plant

Sewers

Drainage network

density float

road culvert