Sanitary sewer

Sump or manhole with seal

Chest at the foot of the downspout

Sewer

settler

Irving brand grate sewer

Hydro sanitary project of a sentry box

Residual water treatment plant

Standard deposit - ventilation.

Plan of grate chamber drying bed and percolated filter

Isa-mana treatment plant structural plans

Rack

distribution networks

sewer connections

Drainage

Storm drain with inverted siphon

Drainage works txt

primary settler

Water treatment plant

Flow tables; hydraulic radius xls

Weir structure in pretreatment