Drilling and Construction of Drainage and Monitoring Wells in  – New Wafra Resedetial Area 10 Nos .Substations 132/11kV- provide all required material, labour and construct, develop test and complete 40mtr deep drainage well 10″ nominal size stainless UPVC Casing and single monitoring well 40mtr deep with 6″ nominal size double UPVC casing-screen string .