Culvert of 72

Finished land section treatment plant – Ayacucho – Peru

Sanitary sewer system

Sewers with pumping system; for flood control on river banks

Trickling filter for wastewater treatment plant

Uasb (rafa upflow anaerobic reactor)

Discharge head. with masonry wall

manholes

storm sewer

Sewerage plan traced

Private sewerage solution

Typical sewer details

Condominium to practice sewage facilities

Details for sanitary drainage network

band filter

imohf tank

Reservoir design.

Combined Sewer Network (Warrior Willow)

compact water treatment plant

Storm drainage of a secondary school

Sewer