Sanitary sewer

Pretreatment

Exploded oxidation ditch

open channel design xls

zip sewage plant

Construction plumbing details and expansion joints

Residual water treatment plant

Collection of a spring and outcrop

sand trap

General plan of wastewater treatment plant

Installation sewage disposal

Sewer

defense river v

Residual water treatment plant

Sludge biological reactor tank

floor drain

Finished land section treatment plant – Ayacucho – Peru

visit wells doc

Sewer storm drain

square sewer network

Detail of register box height of 1 m