Construction of Electrical Substation Building of G plus 2 storeyed (Provision for future expansion of 2 more storeys) with Bulk Storage at First Floor and office cum Library at Second Floor for RGCB, Akkulam, Trivandrum including Internal water supply, sanitary installations, internal Electrical Installations, Substation, DG set, Fire Fighting system using existing sump and pump set, Fire Alarm System etc.