SPECIAL REPAIR/REPLACEMENT OF TRANSFORMERS AGAINST BER AT MIL STN KAMPTEE UNDER GE KAMPTEE

Amount

Supply, installation, testing and commissioning of transformer outdoor type step down transformer 11kV/0.433 kV AC 3 phase, 50 Hz, 315 kVA capacity, core type copper wound, on HV & LV coil immerse, naturally cooled, oil natural-air natural (ONAN) with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector group DYN-11 with neutral brought out on secondary side (LV) and having 7 step tapping at ± 2.5% of each step (+5% to 10%) on HV side to be charged by means of hand operated OFF load tap changing gear, the maximum temperature rise should not exceeds 45 degree celsius in oil and 55 degrees celsius in HV/LV winding when measured by resistance method after continuous full load run on and ambient temp of 40 degree celsius the transformer shall be in accordance with IS-1180 (Part-I) 2014 (level-3) with amendment No. 4, losses at 50 % Load -890W, Losses at 100% Load - 2440W, Transformer must be BIS approved & BEE Marked, Manufacturer must have a NABL approved Lab and comprises of the following:- (a) Three porcelain bushing suitable for 11kV on HV side and including end termination box complete with copper rods, nuts, bolts and washers. (b) One cable end termination box on LT side (secondary side) consisting of four nos porcelain bushing with copper rods complete with nuts, bolts and washers. (c) Oil conservator with filter type drain valve and oil level guage. (d) De-hydration breather with filter fill of dehydrating agent (Silica gel). (e) Explosive vent, thermometer pocket on tank cover, oil drain filter valve, lifting lugs/ hooks, oil filter hole with cap/ plug with connection plate complete, air release valve plug and four nos plain cast steel detachable roller. Contd..../-

(f) One No 100mm, dial type thermometer, vapour pressure type having range 0-120 degree celsius with metal guard having maximum perimeter temperature reading indicator with re-setting device. (g) Two earthing terminal on tank cover to facilitate fixing of 50 x 6mm galvanised iron earth strip for earthing of body. (h) Rating plate and terminal marking plate - 02 Nos (j) Extra bushing for neutral in the LT cable box for providing independent set of earthing for neutral. (k) First filling of new and unused transformer oil IS 335 marked filtered and tested for dielectric strength not less than 50KV at 2.5mm air gap between testing electrodes. (l) Cable terminal Boot for transformer comprising of Basic Impulse level-95kV, Bushing diameter- 30-45mm, Voltage Um-17.5kV max, Description - Flexible Bushing Boots, Diameter D over Termination- 35mm-400mm, suitable for HT/LT XLPE UG Cable sizes- 95 to 240 sqmm. Note 1:- Certification of dielectric strength shall be submitted to the contractor after filling the oil. Note 2:- The Contractor is required to afford all facilities for factory visit, inspection of transformer, testing ON load and OFF load and examination of all material used & workmanship in items assembled or manufactured by them. Note 3:- (i) All the tests including pre-commissioning at site are to be conducted in presence of MES representative/ SEI and all test certificate duly signed by all concerned to be submitted by the contractor to the department before completion of work. (ii) The equipment should carry a guarantee of 30 months from the date of dispatch or 24 months from the date of completion of the contract, whichever is later. Any defect during this period will be attended in a period of three days including spares and labour without any extra cost to Govt.

Supply, installation, testing and commissioning of transformer outdoor type step down transformer 11kV/0.433 kV AC 3 phase, 50 Hz, 200 kVA capacity, core type copper wound, on HV & LV coil immerse, naturally cooled, oil natural-air natural (ONAN) with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector group DYN-11 with neutral brought out on secondary side (LV) and having 7 step tapping at ± 2.5% of each step (+5% to 10%) on HV side to be charged by means of hand operated OFF load tap changing gear, the maximum temperature rise should not exceeds 45 degree celsius in oil and 55 degrees celsius in HV/LV winding when measured by resistance method after continuous full load run on and ambient temp of 40 degree celsius the transformer shall be in accordance with IS-1180 (Part-I) 2014 (level-3) with amendment No. 4, losses at 50 % Load -603W, Losses at 100% Load - 1911W, Transformer must be BIS approved & BEE Marked, Manufacturer must have a NABL approved Lab and comprises of the following:- (a) Three porcelain bushing suitable for 11kV on HV side and including end termination box complete with copper rods, nuts, bolts and washers. (b) One cable end termination box on LT side (secondary side) consisting of four nos porcelain bushing with copper rods complete with nuts, bolts and washers. (c) Oil conservator with filter type drain valve and oil level guage. (d) De-hydration breather with filter fill of dehydrating agent (Silica gel). (e) Explosive vent, thermometer pocket on tank cover, oil drain filter valve, lifting lugs/ hooks, oil filter hole with cap/ plug with connection plate complete, air release valve plug and four nos plain cast steel detachable roller. (f) One No 100mm, dial type thermometer, vapour pressure type having range 0-120 degree celsius with metal guard having maximum perimeter temperature reading indicator with re-setting device. Contd..../-

(g) Two earthing terminal on tank cover to facilitate fixing of 50 x 6mm galvanised iron earth strip for earthing of body. (h) Rating plate an terminal marking plate - 02 Nos (j) Extra bushing for neutral in the LT cable box for providing independent set of earthing for neutral. (k) First filling of new and unused transformer oil IS 335 marked filtered and tested for dielectric strength not less than 50KV at 2.5mm air gap between testing electrodes. (l) Cable terminal Boot for transformer comprising of Basic Impulse level-95kV, Bushing diameter- 30-45mm, Voltage Um-17.5kV max, Description - Flexible Bushing Boots, Diameter D over Termination- 35mm-400mm, suitable for HT/LT XLPE UG Cable sizes- 95 to 240 sqmm. Note 1:- Certification of dielectric strength shall be submitted to the contractor after filling the oil. Note 2:- The Contractor is required to afford all facilities for factory visit, inspection of transformer, testing ON load and OFF load and examination of all material used & workmanship in items assembled or manufactured by them. Note 3:- (i) All the tests including pre-commissioning at site are to be conducted in presence of MES representative/ SEI and all test certificate duly signed by all concerned to be submitted by the contractor to the department before completion of work. (ii) The equipment should carry a guarantee of 30 months from the date of dispatch or 24 months from the date of completion of the contract, whichever is later. Any defect during this period will be attended in a period of three days including spares and labour without any extra cost to Govt.

Supply, installation, testing and commissioning of transformer outdoor type step down transformer 11kV/0.433 kV AC 3 phase, 50 Hz, 160 kVA capacity, core type copper wound, on HV & LV coil immerse, naturally cooled, oil natural-air natural (ONAN) with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector group DYN-11 with neutral brought out on secondary side (LV) and having 7 step tapping at ± 2.5% of each step (+5% to 10%) on HV side to be charged by means of hand operated OFF load tap changing gear, the maximum temperature rise should not exceeds 45 degree celsius in oil and 55 degrees celsius in HV/LV winding when measured by resistance method after continuous full load run on and ambient temp of 40 degree celsius the transformer shall be in accordance with IS-1180 (Part-I) 2014 (level-3) with amendment No. 4, losses at 50 % Load -513W, Losses at 100% Load - 1547W, Transformer must be BIS approved & BEE Marked, Manufacturer must have a NABL approved Lab and comprises of the following:- (a) Three porcelain bushing suitable for 11kV on HV side and including end termination box complete with copper rods, nuts, bolts and washers. (b) One cable end termination box on LT side (secondary side) consisting of four nos porcelain bushing with copper rods complete with nuts, bolts and washers. (c) Oil conservator with filter type drain valve and oil level guage. (d) De-hydration breather with filter fill of dehydrating agent (Silica gel). (e) Explosive vent, thermometer pocket on tank cover, oil drain filter valve, lifting lugs/ hooks, oil filter hole with cap/ plug with connection plate complete, air release valve plug and four nos plain cast steel detachable roller. (f) One No 100mm, dial type thermometer, vapour pressure type having range 0-120 degree celsius with metal guard having maximum perimeter temperature reading indicator with re-setting device. Contd..../-

(g) Two earthing terminal on tank cover to facilitate fixing of 50 x 6mm galvanised iron earth strip for earthing of body. (h) Rating plate an terminal marking plate - 02 Nos (j) Extra bushing for neutral in the LT cable box for providing independent set of earthing for neutral. (k) First filling of new and unused transformer oil IS 335 marked filtered and tested for dielectric strength not less than 50KV at 2.5mm air gap between testing electrodes. (l) Cable terminal Boot for transformer comprising of Basic Impulse level-95kV, Bushing diameter- 30-45mm, Voltage Um-17.5kV max, Description - Flexible Bushing Boots, Diameter D over Termination- 35mm-400mm, suitable for HT/LT XLPE UG Cable sizes- 95 to 240 sqmm. Note 1:- Certification of dielectric strength shall be submitted to the contractor after filling the oil. Note 2:- The Contractor is required to afford all facilities for factory visit, inspection of transformer, testing ON load and OFF load and examination of all material used & workmanship in items assembled or manufactured by them. Note 3:- (i) All the tests including pre-commissioning at site are to be conducted in presence of MES representative/ SEI and all test certificate duly signed by all concerned to be submitted by the contractor to the department before completion of work. (ii) The equipment should carry a guarantee of 30 months from the date of dispatch or 24 months from the date of completion of the contract, whichever is later. Any defect during this period will be attended in a period of three days including spares and labour without any extra cost to Govt.

Supply, installation, testing and commissioning of transformer outdoor type step down transformer 11kV/0.433 kV AC 3 phase, 50 Hz, 100 kVA capacity, core type copper wound, on HV & LV coil immerse, naturally cooled, oil natural-air natural (ONAN) with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector group DYN-11 with neutral brought out on secondary side (LV) and having 7 step tapping at ± 2.5% of each step (+5% to 10%) on HV side to be charged by means of hand operated OFF load tap changing gear, the maximum temperature rise should not exceeds 45 degree celsius in oil and 55 degrees celsius in HV/LV winding when measured by resistance method after continuous full load run on and ambient temp of 40 degree celsius the transformer shall be in accordance with IS-1180 (Part-I) 2014 (level-3) with amendment No. 4, losses at 50 % Load -392W, Losses at 100% Load - 1365W, Transformer must be BIS approved & BEE Marked, Manufacturer must have a NABL approved Lab and comprises of the following:- (a) Three porcelain bushing suitable for 11kV on HV side and including end termination box complete with copper rods, nuts, bolts and washers. (b) One cable end termination box on LT side (secondary side) consisting of four nos porcelain bushing with copper rods complete with nuts, bolts and washers. (c) Oil conservator with filter type drain valve and oil level guage. (d) De-hydration breather with filter fill of dehydrating agent (Silica gel). (e) Explosive vent, thermometer pocket on tank cover, oil drain filter valve, lifting lugs/ hooks, oil filter hole with cap/ plug with connection plate complete, air release valve plug and four nos plain cast steel detachable roller. (f) One No 100mm, dial type thermometer, vapour pressure type having range 0-120 degree celsius with metal guard having maximum perimeter temperature reading indicator with re-setting device. Contd..../-

(g) Two earthing terminal on tank cover to facilitate fixing of 50 x 6mm galvanised iron earth strip for earthing of body. (h) Rating plate an terminal marking plate - 02 Nos (j) Extra bushing for neutral in the LT cable box for providing independent set of earthing for neutral. (k) First filling of new and unused transformer oil IS 335 marked filtered and tested for dielectric strength not less than 50KV at 2.5mm air gap between testing electrodes. (l) Cable terminal Boot for transformer comprising of Basic Impulse level-95kV, Bushing diameter- 30-45mm, Voltage Um-17.5kV max, Description - Flexible Bushing Boots, Diameter D over Termination- 35mm-400mm, suitable for HT/LT XLPE UG Cable sizes- 95 to 240 sqmm. Note 1:- Certification of dielectric strength shall be submitted to the contractor after filling the oil. Note 2:- The Contractor is required to afford all facilities for factory visit, inspection of transformer, testing ON load and OFF load and examination of all material used & workmanship in items assembled or manufactured by them. Note 3:- (i) All the tests including pre-commissioning at site are to be conducted in presence of MES representative/ SEI and all test certificate duly signed by all concerned to be submitted by the contractor to the department before completion of work. (ii) The equipment should carry a guarantee of 30 months from the date of dispatch or 24 months from the date of completion of the contract, whichever is later. Any defect during this period will be attended in a period of three days including spares and labour without any extra cost to Govt.

Material and labour for transformer platform of size 2.5m x 2.5m x 1.6m height (0.6 m below ground level and 1.0 mtr above ground level) comprising of 150 mm thick, 530mm wide PCC 1:4:8 grade (nominal mix) using 40mm graded crushed stone aggregate as in foundation brick work of one brick thick using old size brick in cement mortar 1:6, rendering 15mm thick in cement mortar 1:4 on all exposed brick surface finished smooth using extra cement, filling with approved earth inside brickwork/ below GL as required, providing 150mm thick RCC 1:2:4 grade (nominal mix) on top including reinforced with 12mm dia TMT bars @ 100 c/c bothways and finishing top surface with 15mm thick plastering in cement mortar 1:4 finished even and smooth using extra cement, including GI pipe light grade 80 mm dia of suitable height for cable protection on LT and HT side, white washing of plinth and including brick suitable brick steps to reach the platform on one side including earthwork all as direted by Engineer in charge, complete all as specified and directed.

Material & Labour for earthing complete with galvanized steel earth plate electrode 600x600x6mm thick buried directly in ground vertically to a depth not less than 2.25m below ground level with top edge of earth plate not less than 1.5m below ground level connected to galvanized iron earth strip 32 x 6 mm by means of bolts, nuts, check nuts, washers of galvanized iron and connected to main switch/control board upto 7.5m away from the earth electrode including excavation earth work, PCC chamber, RCC cover slab char coal, watering pipe, wire mesh lugs, earth lead protection pipe 40mm bore, light grade 7.5m long as applicable and as per plate No. 3 of SSR 2009, complete all as specified and directed. (For Body of Transformer). (a) Excavation and earth work in any type of soil. (b) Drilling of holes in electrode (c) PCC pit in cement concrete (1:2:4) type B-1 (d) 40mm thick Pre-cast RCC cover with suitable handle. (e) Funnel with watering pipe of GI 40 mm nominal bore, medium grade & copper lug etc. (f) 50mm nominal bore medium grade GI protection pipe 7.50 m long for protection of earthing lead. (g) Requisite quantity of charcoal @ 60Kg and common salt@ 80Kg. (h) Connection to earthing test point and testing on completion.

Material & Labour for earthing complete with Copper earth plate electrode 900x600x5mm thick buried directly in ground vertically to a depth not less than 2.25m below ground level with top edge of earth plate not less than 1.5m below ground level connected to copper earth strip 32 x 6 mm by means of bolts, nuts, check nuts, washers of galvanized iron and connected to main switch/control board upto 7.5m away from the earth electrode including excavation earth work, PCC chamber, RCC cover slab char coal, watering pipe, wire mesh lugs, earth lead protection pipe 80mm bore, light grade 7.5m long as applicable and as per plate No. 3 of SSR 2009, complete all as specified and directed. (For Neutral link of Transformer). (a) Excavation and earth work in any type of soil. (b) Drilling of holes in electrode (c) PCC pit in cement concrete (1:2:4) type B-1 (d) 40mm thick Pre-cast RCC cover with suitable handle. (e) Funnel with watering pipe of GI 40 mm nominal bore, medium grade & copper lug etc. (f) 80mm nominal bore medium grade GI protection pipe 7.50 m long for protection of earthing lead. (g) Requisite quantity of charcoal @ 60Kg and common salt @ 80Kg. (h) Connection to earthing test point and testing on completion.

M&L for preparing surfaces of electric Two pole Structures of any make, any type (Steel / RCC) and height of pole up to 10 Mtrs above ground level including MS cross arms, AB Switch pipe, DO Fuse assembly, MS clamps, brackets, bracket clamps, cable protection pipe stay etc of any sizes and shape & dusting, cleaning the surface complete and applying one coat of primer and two coat of aluminium / weather proof paint completely, alternate layer of yellow and black paint of 150 mm strip at the bottom of pole 1.5 mtr above coping with aluminium / synthetic enamel paint, including writing pole No. with letters of size 25 mm, complete all specified and as directed.

M&L for preparing surfaces of electric Four pole Structures of any make, any type (Steel / RCC) and height of pole up to 10 Mtrs above ground level including MS cross arms, AB Switch pipe, DO Fuse assembly, MS clamps, brackets, bracket clamps, cable protection pipe stay etc of any sizes and shape & dusting, cleaning the surface complete and applying one coat of primer and two coat of aluminium / weather proof paint completely, alternate layer of yellow and black paint of 150 mm strip at the bottom of pole 1.5 mtr above coping with aluminium / synthetic enamel paint, including writing pole No. with letters of size 25 mm, complete all specified and as directed.

M&L for Spray painting to existing LT Panel of any capacity / size / type including mounting angle with two coats of approved colour synthetic enamel paint complete including dusting, cleaning of existing dust before applying synthetic enamel paint and writing feeder name with approved colour synthetic enamel paint complete all as specified and directed.

Supplying and fixing Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size for HT 25x20 cm, complete all as specified and as directed.

M&L for Loose filling with aggregates of gauge 20 mm crushed stone back colour suitable for spreading in electrical sub stn after preparation site by removing all type of debris, removing unwanted soil, and spreading lime powder beneath the aggregate all as directed.

Excavating in post holes (or similar holes) each n exc 0.5cu.m, getting out, being filled with PCC, watering and removing surplus soil to a distance not exc 50m and making good surface in soft / loose soil complete all as specified and directed.

M&L for Cement concrete type C2 1:3:6 (using 40mm graded stone agg) as in foundations, filling and mass concrete complete all as specified and directed.

S & F of angle iron posts and struts in fencing including tops to shape as directed, drilling holes, notching for wire, etc, flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed.

Supply of Chain link MS galvanized fencing of size 50mm 50mm and 4 mm dia complete all as specified and directed.

Fixing only chain link fencing including line wire, any mesh, size and type to any type of standards, rails, straining bolts, etc including provision of binding wire complete all as specified and directed.

S & F Mild steel Screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with one washer and one hexagonal or square nut, n exc 50mm (5cm) long but not exc 10 cm long of 5 to 10 mm dia complete all as specified and as directed.

S & F Mild steel round bars 10mm dia as in tie cut to length, bent to shape required, for fixing of chain link fencing complete all as specified and directed.

S & F Framed work as in doors or gates of angle or other section with gusset plates, rails, braces etc. complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging, also fastening and fixing complete all as specified and directed.

M&L for preparation of new or previously untreated steel surfaces of any description, over 10cm in width or girth and applying two coats of synthetic enamel paint over and including one coat of red oxide zinc chrome primer complete all as specified and directed.

M&L for preparation of new or previously untreated steel surfaces of any description, over 10cm in width or girth and applying two coats of Aluminium paint over and including one coat of aluminium primer complete all as specified and directed.

Dismantling fencing wire mesh, any type, complete all as specified and directed.

Dismantling posts or struts (wood, steel or RCC) any section, including taking out embedded portion and making good disturbed ground, complete all as specified and directed.

Dismantling old structural steel work including doors, gates but excluding framed truss etc, complete all as specified and directed.

NOTE : SCHEDULE OF CREDIT (Amount on page No 28 (A) shall be deducted offline from the total quoted amount to arrive at the net contract sum to be considered for acceptance.)

Roy and Sons Infrastructures (BID ID -3473920)

NIHAL ENTERPRISES (BID ID -3473501)

Vijaypower Generators Limited (BID ID -3473793)

GUPTA ENGINEERING WORKS (BID ID -3478853)

M/S RAKESH TRADERS (BID ID -3478992)

Electromech Engineers (BID ID -3473123)

Bidder Name

Paragon Electrotechnics

M/S RAKESH TRADERS

GUPTA ENGINEERING WORKS

NIHAL ENTERPRISES

Vijaypower Generators Limited

Electromech Engineers

Roy and Sons Infrastructures