Cable bolt

Cable hold down and bracing system

Cable manhole

Cable manhole or box culvert with peripheral gaskets

Canal bed shell

Cap for a shaft

Capillary movement of water in masonry structures

Capping assembly for a ground opening

Cast-in-place concrete pile construction

Cast-in-place manhole liner apparatus and method

Cast-in-situ concrete piles

Casting settable building material in liquid and form therefor

Catch basin trap with filter

Cavern well pressure trap

Cell confinement structure

Cell structure for ground consolidation

Cellular confinement systems

Cellular sheet pile retaining systems with unconnected tail...

Cellular structures for retaining wall

Chilled gas pipeline installation and method