Electrical work for Improvement of electrical safety by replacement of overaged Transformers of different capacity over SER for Adra Division.

1-Electrical items

Item Breakup - 1-Electrical items

Installation, testing & commissioning of Railway Numbers S u p p l i e d outdoor type, Plinth mounted, oil immersed, copper wound, non-sealed type(Transformer tank body and cover are bolted) Distribution Transformer, 500 KVA Rating, 11KV/415V, 3 phase, 50Hz, Primary Winding in Delta and Secodrary winding in Star ( Vector symbol -Dyn11), ONAN cooled,etc with plug Energy Efficiency level -3 and above, conforing to IS 1180 (part 1) :2014 with latest amendment nos.1,2,3 and 4 "(Latest if any) as per CEE/GRC's Specification No.CEE/Transformer/11-2010 (Rev.) and damage clause as per CEE/GRC Circular no. PS/2012/3 with ISI. Filling transformer oil, Taping of transformer, Buchholz Relay etc. to be fitted along with Transformer. Item cost includes cost of all necessary accessories to complete the work in all respect. Erection cost includes transportion of the supplied transformer from the main store depot to the site, dismantling of the old transformer with other necessary works(if any) relating to the existing system and erection, testing and commissioning of the new one with augmentation work with all necessary accessories to complete the work in all respect to get reliability of electrical installation as advised by railway site incharge.

Installation, testing & commissioning of Railway Numbers S u p p l i e d outdoor type, Plinth mounted, oil immersed, copper wound, non-sealed type(Transformer tank body and cover are bolted) Distribution Transformer, 250 KVA Rating, 11KV/415V, 3 phase, 50Hz, Primary Winding in Delta and Secodrary winding in Star ( Vector symbol -Dyn11), ONAN cooled etc with plug Energy Efficiency level -3 and above, conforing to IS 1180 (part 1) :2014 with latest amendment nos.1,2,3 and 4 "(Latest if any) as per CEE/GRC's Specification No.CEE/Transformer/11-2010 (Rev.) and damage clause as per CEE/GRC Circular no. PS/2012/3 with ISI. Filling transformer oil, Taping of transformer, Buchholz Relay etc. to be fitted along with Transformer. Item cost includes cost of all necessary accessories to complete the work in all respect. Erection cost includes transportion of the supplied transformer from the main store depot to the site, dismantling of the old transformer with other necessary works(if any) relating to the existing system and erection, testing and commissioning of the new one with augmentation work with all necessary accessories to complete the work in all respect to get reliability of electrical installation as advised by railway site incharge. ADRA DIVISION-ELECTRICAL/SOUTH EASTERN RLY

Installation, testing & commissioning of Railway Numbers Supplied 160 KVA Distribution Transformer outdoor type, 11/0.416KV, 3 phase , 50Hz,Oil Cooled, Copper wound distribution transformer complete with all accessories as per IS-1180,Pt -1, 2014 or latest (if any) & CEE/GRC's Spcn.No.CEE/Transformer/11-2010 (Rev.) and damage clause as per CEE/GRC Circular no. PS/2012/3 with first filling oil and off load changer and all other necessary fittings etc to complete the work in all respect.Item cost includes cost of all necessary accessories to complete the work in all respect including augmentation work (if required) as advised by competent railway authority keeping site requirement in view. Erection cost includes transportion of the supplied transformer from the main store depot to the site, dismantling of the old transformer with other necessary works(if any) relating to the existing system and erection, testing and commissioning of the new one with augmentation work with all necessary accessories to complete the work in all respect to get reliability of electrical installation as advised by railway site incharge.

Installation, testing & commissioning of Railway Numbers Supplied 100 KVA Distribution Transformer outdoor type, 11/0.416KV, 3 phase , 50Hz,Oil Cooled, Copper wound distribution transformer complete with all accessories as per IS-1180,Pt -1, 2014 or latest (if any) & CEE/GRC's Spcn.No.CEE/Transformer/11-2010 (Rev.) and damage clause as per CEE/GRC Circular no. PS/2012/3 with first filling oil and off load changer and all other necessary fittings etc to complete the work in all respect.Item cost includes cost of all necessary accessories to complete the work in all respect including augmentation work (if required) as advised by competent railway authority keeping site requirement in view. Erection cost includes transportion of the supplied transformer from the main store depot to the site, dismantling of the old transformer with other necessary works(if any) relating to the existing system and erection, testing and commissioning of the new one with augmentation work with all necessary accessories to complete the work in all respect to get reliability of electrical installation as advised by railway site incharge.

Installation and commissioning of maintenance free Numbers 46.00 earthing system ( Pipe in Pipe technology) complete with 50 mm dia and 3.0 Mtr. long Mild Steel Earth Popes , back fill compound etc. as per relevant specification with 15mtr. GI wire (approx.) for each earth cone. Erection cost also includes supply cost of all necessary materials to complete the work in all respect. Total 1383293.00