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Construction services, namely, construction planning, construction of buildings, structures, transportation infrastructure, foundations, foundation supports, earthworks, earth retention structures, pipelines, dams, and levees; dewatering, namely, the removal of surface waters and groundwater for construction and excavation purposes; groundwater recovery, namely, the recovery of groundwater for construction and excavation purposes; ground freezing, namely, the freezing of ground for construction and excavation purposes; groundwater control, namely, subsurface grouting; excavation; repair services, namely, rehabilitation of buildings, structures, transportation infrastructure, foundations, foundation supports, earthworks, earth retention structures, pipelines, dams, and levees

Environmental remediation services, namely, treatment of water, treatment of soil; groundwater treatment services provided at construction and excavation sites