Tender For Repair/ Replacement Of Earthing At Hq Wac And Camero Area Under Ge (Af) Subroto Park., delhi-Delhi

Tender For Repair / Replacement Of Earthing At Hq Wac And Camero Area Under Ge ( Af ) Subroto Park. ; 1 Providing Elancrete Conductive Concrete Earth Grid Of Multiple Interconnected Earth Electrodes With Installation In Rocky Soil Along With Soil Treatment & Testing To Achieve The Value Of < 1 O Specifications ( I ) Earth Electrodes: Metal Conductor - Cu Bonded Ms Rod Size : Dia 17.2 Mm ( + / -0.5Mm ) , Length 3 M With Elancrete Conductive Concrete Embedding Size: Dia 85-100 Mm, Length 3 M Of Each Earth Electrode. ( Ii ) Soil Treatment: All Earth Electrodes Would Be Installed In Specially Treated Pits. Pits Of L 1.5M X W 1.5M X D3 M Each Shall Be Prepared By Taking Out The Rocks / High Resistivity Soil. Then It Shall Be Filled With Fresh Low Resistivity Sieved Soil And Compacted With Water. Soil Would Be Specially Treated To Bring Down The Resistivity Around The Pits Drastically And These Treatment Chemicals Would Be Absolutely Non Corrosive, Highly Conductive And Would Not Need Water For Electrical Conductivity. ( Iii ) Interconnected Strip : All The Multiple Earth Electrodes Will Be Horizontally Interconnected With Metal Conductor - Cu Bonded Ms Flat Size : 25Mm X 5 Mm & Elancrete Conductive Concrete Embedding Size : 75 Mm². ( Iv ) Test Link : Test Links - Cu Bonded Ms Flat Size : 50 Mm X 6 Mm X 200 Mm Shall Be Provided At Any One Of The Four Earth Electrodes Of The Grid For Connection Between Earth Grid Pit And Application. ( V ) Pit Cover : Rcc Pit Cover & Frame Shall Be Provided At Twoearth Electrode ( With Test Links ) . Rest Of The Earth Electrode Shall Be Buried In Soil. 2 Providing Elancrete Conductive Concrete Earth Grid Of Multiple Interconnected Earth Electrodes With Installation In Rocky Soil Along With Soil Treatment & Testing To Achieve The Value Of < 3 Ospecifications ( I ) Earth Electrodes: Metal Conductor - Cu Bonded Ms Rod Size : Dia 17.2 Mm ( + / -0.5Mm ) , Length 3 M With Elancrete Conductive Concrete Embedding Size: Dia 85-100 Mm, Length 3 M Of Each Earth Electrode. ( Ii ) Soil Treatment: All Earth Electrodes Would Be Installed In Specially Treated Pits. Pits Of L 1.5M X W 1.5M X D3 M Each Shall Be Prepared By Taking Out The Rocks / High Resistivity Soil. Then It Shall Be Filled With Fresh Low Resistivity Sieved Soil And Compacted With Water. Soil Would Be Specially Treated To Bring Down The Resistivity Around The Pits Drastically And These Treatment Chemicals Would Be Absolutely Non Corrosive, Highly Conductive And Would Not Need Water For Electrical Conductivity. ( Iii ) Interconnected Strip : All The Multiple Earth Electrodes Will Be Horizontally Interconnected With Metal Conductor - Cu Bonded Ms Flat Size : 25Mm X 5 Mm & Elancrete Conductive Concrete Embedding Size : 75 Mm². ( Iv ) Test Link : Test Links - Cu Bonded Ms Flat Size : 50 Mm X 6 Mm X 200 Mm Shall Be Provided, ( V ) Pit Cover : Rcc Pit Cover & Frame Shall Be Provided At Twoearth Electrode ( With Test Links ) . Rest Of The Earth Electrode Shall Be Buried In Soil.Note For Item 01 & 02:- The Work Shall Be Executed Through Manufacturer Or Their Authorised Dealer. Written Approval Of Regarding Executing Agency Shall Be Otbain By Tenderer From Accepting Officer Prior Execute The Work.

Sr No	CorrigendumDate	Corrigendum	CorrigendumType	NewSubmissionDate
1	23-04-2024	corrigendum_1	Other	24-04-2024
2	24-04-2024	Bid Auto Extn Corrigendum	Bid Auto Extn Corrigendum	01-05-2024

INR 500 /-

INR 99900.0 /-

INR 49.95 Lakhs /-