Foundation works – Quito Metro 30 March 2017 by Gerardo Marote Grupo Terratest Impressive foundation works for Quito Metro. Related posts:Diaphragm walls: construction phasesAnchors - PapersExecution of diaphragm walls in DakarSheet PilingSheet Piling Harbour ConstructionSafety measures during the execution of AnchorsDiaphragm wall collapsesSoil Nailing - Papers