SPECIAL REPAIR REPLACEMENT OF OLD CONVENTIONAL EARTHING SYSTEM TO COPPER EARTHING SYSTEM AT VARIOUS TECHNICAL FACILITY IN RCI HYDERABAD UNDER GE I RCI RND HYDERABAD

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Tender Inviting Authority: GE(I) R&D RCI HYDERABAD

Name of Work: SPECIAL REPAIR /REPLACEMENT OF OLD CONVENTIONAL EARTHING SYSTEM TO COPPER EARTHING SYSTEM AT VARIOUS TECHNICAL FACILITY IN RCI HYDERABAD UNDER GE(I) RCI R&D HYDERABAD

Contract No: GE(I) RCI/HYD/ OF 2025-2026

Sl No. Item Description Item Code / Make Quantity Units Estimated Rate Addition / Deduction Addition / Deduction Values Currency Convertion against each Item Quoted Currency in INR / Other Currency Basic Rate In Figures To be entered by the Bidder Rs. Ps. Excise Duty VAT Freight Charges ( Unloading & Stacking) Any Other Taxes/Duties/Levies Other Taxes 2 IIIrd Party i.e. DGS&D / RITES etc Inspection Charges @0.34%+Service Tax Less for Cenvat Credit, if any respect of Supplies Under full Excise Duty Category

Taking down and dismantling old unserviceable damaged, broken / rusted strips including connected items from buildings walls and roofs complete all as directed. 1000 RM Excess(+) Full Conversion INR

Refixing of Copper strip obtained from item No 1 with new saddles and fixing screws as roof / down conductors on insulators or fixed in GI pipe complete all as directed. Note : 1. Quoted rate shall be deemed to include cost of cutting and jointing copper strips with minimum No of rivets/bolt & nuts. 2. Insulators and GI Pipe will be measured and paid separately. 100 RM Excess(+) Full Conversion INR

S&F, epoxy insulator with one GI stud bolt with nut and washer with necessary drilling for bolt hole for holding or fixing roof / down conductor of lightning complete all as specified and directed 1100 Each Excess(+) Full Conversion INR

S&F in repairs, test point terminal block made of gun metal or phosphorus bronze of size 75x75x25mm, drilled and screwed including 3 Nos 8mm dia 25mm long hexagonal head screws including taking down ofcomplete all as specified and directed. 30 Each Excess(+) Full Conversion INR

S&F in repairs, Earth continuity conductor with 20x3mm copper strip fixed to wall on batten or recess or chases with necessary porcelain insulators or buried in ground or drawn in conduit/pipe/wall or fixed to poles or any other indicated situation for loop earthing etc., complete all as specified and as directed. 850 RM Excess(+) Full Conversion INR

S&F in repairs, Earth continuity conductor with 25 x 5mm copper strip fixed to wall on batten or recess or chases with necessary porcelain insulators or buried in ground or drawn in conduit/pipe/wall or fixed to poles or any other indicated situation for loop earthing etc., complete all as specified and as directed. 50 RM Excess(+) Full Conversion INR

S&F in repairs, 40mm dia GI pipe light grade fixed to walls or laid in trenches etc., for protection of earth strip including sealing ends with hessian cloth impregnated with bituminous compound in ground and with teak wood bushes for ends fixed on walls complete all as specified and directed. 72 RM Excess(+) Full Conversion INR

Cutting of existing bituminious/PCC road or flooring/ plinth protection, for laying of GI pipe in road intersection for passing of LT XLPE cable including excavation in any type of soil, returning and filling in and making good top 30cm of the trench by providing PCC 1:2:4 type B1 using 20mm graded stone aggregate to flush with existing road surface complete all as directed. 24 RM Excess(+) Full Conversion INR

Supply and fix, testing and commissioning of Advanced EarthingSystem A) Advance Earthing Electrode: Copper Banded Rod (Tested As CPRI) 60MM OUTER DIA X 3 MTR LENGTH COPPER BONDED (250MICRONS COATED ) PIPE , FILLED WITH CONDUCTIVE CRYSTALLINE COMPOUND , FITTED WITH 40X6X3100MM COPPER BONDED STRIP and all connected items all the relvent IEEE 80-1986, IEEE 665-1995, IEC 62561-2. Standards & Tested for: a) Short Time Current test CPRI 25 KA b) BendingTest c) Adhesion Test d) Dimension Measurment Test, e) Environmental Test f) corrosion Test g) Tensile strength and clongation Test h) Test for material composition j) Test for verification of coating thickness k) Electrical Resistence Mesurement Test. 275 Each Set Excess(+) Full Conversion INR

B) Low Resistance Advanced compound (Tested as per IEC62561-7 & NABL.AccreditedLab): Eco Friendly Maintenance Free Earthing Compound to enhance Soil Conductivity Packed in Eco- Friendly HDPE Laminated Paper Bags. 25Kgs x 3 Paper Bag. ( 0.19 OHMS PER MTR), tested as per IEC-62561-7, ASTM G 57-06, ASTM G 59-97, ASTM G 102-89. ISO 4689-3 EN 12457-2 Packed in Eco friendly HDPE: Laminated Paper Bags 25Kg x 2 Bags( i.e minimum 50Kg can be increased in case of value observed above 2.0 Ohm) (c) Concrete Inspection Pit Heavy Duty , Precast concrete Earthpit Inspection Chamber with Cover.size 320 mm (W) X 320 mm (L) X 192mm(H), Load Bearing Capacity : 5000Kgs. (d) Installation Installation of Each Earth pit

Note for ITEM NO. 9 :- 1. Performance Guarantee certificate duly indicating Earth resistance value shouldnot come higher than 2.0 Ohm for period of 05 years , must be provided by contractor/OEM. 2. Contractor will replace the earthing free of cost in case of resistance value of earthing observed above 2.Ohm during the said guarantee period. 3. Any observation regarding performance of earthing system within the said period indicated Accepting officer/Engineer-in-charge will have to be rectify contractor within 24 hours.

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