rainwater

Sanitary drainage network

Residual water treatment plant

Ptar hydraulic profile

Absorption wells and metal treatment plant

Sewerage system

imohf tank

Typical rural sewer plan

Detail for pipe placement

Processing facilities

channel plans

Rainwater regulation and pumping work

Constructive catalog sewerage engineering system

Entrance chamber and sand trap

Road construction details – sewerage

Sanitary sewer network

rainy gallery

Sanitary sewer

Facultative lagoons – wastewater treatment

Black water treatment plant

Plan of location of wells and groundwater level