Corrigendum - Provision Of Bore Wells And Water Supply System Along Newly Constructed Rci-Drdl Road , Hyderabad , Surveying The Area By Specialist Agencies To Locate Points With Electro Location Resistive Method For Drilling 150Mm Dia Bore . , Drilling Of Bore Well 150Mm Dia In Any Type Of Soil Including Rock Granites Up To A Maximum Depth Of 60 M At One Specified Point Including All Labour Material And Equipment . , Same As Above But 61 Mts To 100Mts , Same As Above But Above 100Mts , Supply And Fixing Of M . S Casing Suitable For 150Mm Dia Bore Well Grade C . , Supply , Erection , Testing And Commissioning Of Submersible Pump Set Of Capacity 200 Mts Head For 7 . 5 Hp 200 Mts Head Borewell As Per The Direction Of Engineer In Charge . Make : Texmo/Suguna Or Equivallent . , Supply , Errection Testing And Commissioning Of 3Core X 4 Sq . Mm Copper Flat Cable ( Water Proof ) Inside Borewell And Laid Over Ground With Pvc Conduct Where Ever Required All Complete . All As Per The Direction Of Engineer In Charge . , Supply And Laying Of 4 Core 16 Sq Mm Armoured Pvc Underground Cable With End Terminations Including Excavation Of Soil With Sand Cushionig , Brick Protection On Top And Sides And Back Filling Etc Complete As Per Is Specification . , Supply , Erection , Testing And Commissioning Of Control Board Including Suitable Dol Or Star-Delta Starter , Suitable Capacity ( L&T ) Switch Single Phase Preventor , Volt Meter , Ammeter , Selector Switch Indicator In Metal Enclosure Including 2Nos Gi Pipe Earthing And Required Quantity Of 25X5 Mm Gi Strip As Per Is 3043 Etc Complete . , Supply , Fixing , Testing And Commissioning Of Suitable Size Ms Weather Proof Powder Coated Outdoor Type Box With Locking Arrangement For Provision Of Above Starter ( Item At Sl . No . 9 ) Above Complete Ms Pedestal With Pcc Etc . As Approved And Specified By The Engineer Incharge . , Supply , Erection And Testing Of 50Mm Dia Isi Marking Gi Pipe Medium Grade Pipe Including Collers Etc For Bore Well . , Supply And Fixing Ms Clamps With Nut And Bolt Of Size 50Mm X 450Mm , Ms Casing 4Mm Thick 180Mm Dia 750Mm Below Ground Level And 250Mm Above Ground Level With Ms Cap Complete . , Supply , Erection , Testing And Commissioning Of Heavy Grade Isi Marked Gm Valve Of Size 50Mm Dia . , Supply Erection Of 50Mm Dia Non Return Valve Suitable For Submersible Pump , Supply Erection Of 63Mm Dia ( 6 Kg ) Including Excavation Of Earth In All Types Upto A Depth Of 750Mm Including All Accessories Like Collers , Bends , Tee , Unions Etc . , Complete As Per The Direction Of Engineer In Charge . , Supply , Erection , Testing And Commissioning Including Fitting Of 25Mm Dia Ball Valves Etc Complete . Make Zoloto Or Equivalent . , Constructing Brick Masonry Chamber Of Size 900Mm X 900Mm X 900Mm Using Bricks Of M-7 . 5 Grade In Cm 1:6 ( 1 Cement : 6 Coarse Sand ) With Wall Thickness 230Mm , Duly Plastered On Both Intenal And External Sides In Cm 1:6 ( 1 Cement : 6 Coarse Sand ) Including Pcc 1:4:8 ( 1 Cement : 4 Coarse Sand: 8 Coarse Stone Aggregate ) Leveling Course Of 100Mm Thickness , All External Walls To Be Painted With White Washing ( 03 Coats ) , Top To Have Full Opening Using Ms Sheet Of 1 . 60Mm Thickness Including Providing Ms Angle Iron Frame Work With Locking Arrangement Etc . , All Complete As Per Standard Specification And As Directed By Engineer-In-Charge , Constructing Brick Masonry Chamber Of Size1200mm X 1200Mm X1500mm Using Bricks Of M-7 . 5 Grade In Cm 1:6 ( 1 Cement : 6 Coarse Sand ) With Wall Thickness 230Mm , Duly Plastered On Both Intenal And External Sides In Cm 1:6 ( 1 Cement : 6 Coarse Sand ) Including Pcc 1:4:8 ( 1 Cement : 4 Coarse Sand: 8 Coarse Stone Aggregate ) Leveling Course Of 100Mm Thickness , All External Walls To Be Painted With White Washing ( 03 Coats ) , Top With Rcc Slab And Front To Have Full Opening Using Ms Sheet Of 1 . 60Mm Thickness Including Providing Ms Angle Iron Frame Work With Locking Arrangement Etc . , All Complete As Per Standard Specification And As Directed By Engineer-In-Charge ,
