observation well

storm drain gutter design

sand trap

Manholes

Design of an irrigation canal 5km

drying beds

drying bed

Sanitary network; Sanitary sewer

pumping stations

Fire station

Air shaft

discontinuous timber shoring

sewer 3d max

Severe water drainage detail for canal

tmc type culvert for road works

Rainwater solution

oxidation ditches

wastewater treatment plant

settling chamber

chinese incinerator

Sewerage