Earthwork & Quantities (工程量与土方)
Trench and buried-pipe earthwork, insulation quantities and steel pipe weight, plus pipe insulation volume/surface-area take-off.
Pipe Trench Excavation Earthwork
Trench excavation volume from average cross-section area × pipe length, for rainwater and sewage layouts.
Open calculator →Buried Pipe Network Earthwork
Excavation volume, backfill soil (single/double pipe) and backfill sand for buried pipe trenches.
Open calculator →Pipe/Equipment Head Insulation & Pipe Weight
Equipment head insulation volume & area, steel pipe weight, and pipe insulation with thickness lookup.
Open calculator →Insulation Quantity Take-off
Pipe insulation volume & surface area, and flange / valve / pipe-fitting insulation volume and area.
Open calculator →