UPGRADATION OF EXISTING TRANSFORMERS AT NEW CANTT and OLD CANTT ALLAHABAD

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth and getting out in soft/loose soil including bottom surface to required level or slope for laying of cable etc. complete all as specified and directed.

Returning filling in excavated soil, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm each in soft/loose soil complete all as specified and directed.

Removing excavated soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

M&L for sand cushioning with dry local sand for cable protection to under ground cable (8 cm before laying the cable and 15 cm after laying the cable) in trenches and consolidated complete all as specified and directed. NOTE : Punned thickness 18 cm only shall be considered for payment.

M&L for sub class ‘B’ common burnt, bricks old size, designated '75', laid dry, flat with width equal to length of bricks as cover/laid over the cable to give mechanical protection to under ground cable complete all as specified and directed.

Supply installation, commissioning and testing of transformer copper wound step down 315 KVA outdoor type 11/0.433 KV at no load 3 phase, 4 wire 50 Hz AC with oil immersed naturally cooled, delta connected on HV side and star connected in LV side in accordance with vector symbol DY-II with neutral brought out on secondary side and having tapping in step + 2.50 % + 5% and + 7.5% to be changed by mean of hand operated OFF load tap changing gear including first fill of transformer oil as per IS 335 and including all fitting accessories as specified in SSR part-I and as per revised IS-1180, 2014 (energy efficiency level 2), transformer should have cable entry box on LT side and HT side, oil temprature gauge, dehydrating breather with first fill of dehydrating agent, oil conservator tank, explosive vent, rating and terminal marking plate, oil level gauge, oil drain and filter valve, providing independent earthing terminal for neutral and body complete with all other standard accessories etc as specifiedand directed with following fittinngs :- (a) Oil conservator tank with filling holes and cap filter type drain valve and oil level gauge (b) Silica gel breather with connecting pipe and first fill of dehydrating agent (c) Air Release valve plug (d) 01 No 100mm dia type thermometer vapour pressure type having rating 0-120 degree centigrate with max temp indicator and resetting device incl max reading pointer washers (e) Thermometer pocket on tank cover (f) 04 Nos plain solid CI detachable rollers (g) 02 Nos Earthing terminals on tank cover to facilitate GI Earth Strip (h) Rating plate and terminal marking plate (j) First filling of oil confirming to IS 335 and tested upto 50KV/2.5mm dielectric strength (k) Lifting lugs/hook (l) Oil drain valve with plug (m) Cable end terminal boxes on LV and HV side consisting of 04 Nos porcelain bushing with nuts washers & bushing rod with one No cable gland suitable for existing size of LT cable on LV side including additional neutral separately brought out side LV cable end box with bush insulators for neutral earthing. 03 Nos HV porcelain bushings with nuts,washers and bushing rod with one No cable gland suitable for 3x95 sqmm H.T. cable on HV side complete all as specied and directed. (n) Explosive Vent (o) Two Nos GI tubing light grade 100mm dia 60cm long embedded in brick/wall on LT/HT side for drawing underground cable (p) Taking down cement plaster on brick or stone walls etc including raking out joints, hacking for key, scrubbing down with water etc of existing transformer foundation including rendering 10mm thick on fair faces of brick work or concrete surfaces on existing foundation in cement mortar ratio 1:6

Supply installation, commissioning and testing of transformer copper wound step down 200 KVA outdoor type 11/0.433 KV at no load 3 phase, 4 wire 50 Hz AC with oil immersed naturally cooled, delta connected on HV side and star connected in LV side in accordance with vector symbol DY-II with neutral brought out on secondary side and having tapping in step + 2.50 % + 5% and + 7.5% to be changed by mean of hand operated OFF load tap changing gear including first fill of transformer oil as per IS 335 and including all fitting accessories as specified in SSR part-I and as per revised IS-1180, 2014 (energy efficiency level 2), transformer should have cable entry box on LT side and HT side, oil temprature gauge, dehydrating breather with first fill of dehydrating agent, oil conservator tank, explosive vent, rating and terminal marking plate, oil level gauge, oil drain and filter valve, providing independent earthing terminal for neutral and body complete with all other standard accessories etc as specifiedand directed with following fittinngs :- (a) Oil conservator tank with filling holes and cap filter type drain valve and oil level gauge (b) Silica gel breather with connecting pipe and first fill of dehydrating agent (c) Air Release valve plug (d) 01 No 100mm dia type thermometer vapour pressure type having rating 0-120 degree centigrate with max temp indicator and resetting device incl max reading pointer washers (e) Thermometer pocket on tank cover (f) 04 Nos plain solid CI detachable rollers (g) 02 Nos Earthing terminals on tank cover to facilitate GI Earth Strip (h) Rating plate and terminal marking plate (j) First filling of oil confirming to IS 335 and tested upto 50KV/2.5mm dielectric strength (k) Lifting lugs/hook (l) Oil drain valve with plug (m) Cable end terminal boxes on LV and HV side consisting of 04 Nos porcelain bushing with nuts washers & bushing rod with one No cable gland suitable for existing size of LT cable on LV side including additional neutral separately brought out side LV cable end box with bush insulators for neutral earthing. 03 Nos HV porcelain bushings with nuts,washers and bushing rod with one No cable gland suitable for 3x95 sqmm H.T. cable on HV side complete all as specied and directed. (n) Explosive Vent (o) Two Nos GI tubing light grade 100mm dia 60cm long embedded in brick/wall on LT/HT side for drawing underground cable (p) Taking down cement plaster on brick or stone walls etc including raking out joints, hacking for key, scrubbing down with water etc of existing transformer foundation including rendering 10mm thick on fair faces of brick work or concrete surfaces on existing foundation in cement mortar ratio 1:6.

Supply installation, commissioning and testing of transformer copper wound step down 100 KVA outdoor type 11/0.433 KV at no load 3 phase, 4 wire 50 Hz AC with oil immersed naturally cooled, delta connected on HV side and star connected in LV side in accordance with vector symbol DY-II with neutral brought out on secondary side and having tapping in step + 2.50 % + 5% and + 7.5% to be changed by mean of hand operated OFF load tap changing gear including first fill of transformer oil as per IS 335 and including all fitting accessories as specified in SSR part-I and as per revised IS-1180, 2014 (energy efficiency level 2), transformer should have cable entry box on LT side and HT side, oil temprature gauge, dehydrating breather with first fill of dehydrating agent, oil conservator tank, explosive vent, rating and terminal marking plate, oil level gauge, oil drain and filter valve, providing independent earthing terminal for neutral and body complete with all other standard accessories etc as specifiedand directed with following fittinngs :- (a) Oil conservator tank with filling holes and cap filter type drain valve and oil level gauge (b) Silica gel breather with connecting pipe and first fill of dehydrating agent (c) Air Release valve plug (d) 01 No 100mm dia type thermometer vapour pressure type having rating 0-120 degree centigrate with max temp indicator and resetting device incl max reading pointer washers (e) Thermometer pocket on tank cover (f) 04 Nos plain solid CI detachable rollers (g) 02 Nos Earthing terminals on tank cover to facilitate GI Earth Strip (h) Rating plate and terminal marking plate (j) First filling of oil confirming to IS 335 and tested upto 50KV/2.5mm dielectric strength (k) Lifting lugs/hook (l) Oil drain valve with plug (m) Cable end terminal boxes on LV and HV side consisting of 04 Nos porcelain bushing with nuts washers & bushing rod with one No cable gland suitable for existing size of LT cable on LV side including additional neutral separately brought out side LV cable end box with bush insulators for neutral earthing. 03 Nos HV porcelain bushings with nuts,washers and bushing rod with one No cable gland suitable for 3x95 sqmm H.T. cable on HV side complete all as specied and directed. (n) Explosive Vent (o) Two Nos GI tubing light grade 100mm dia 60cm long embedded in brick/wall on LT/HT side for drawing underground cable (p) Taking down cement plaster on brick or stone walls etc including raking out joints, hacking for key, scrubbing down with water etc of existing transformer foundation including rendering 10mm thick on fair faces of brick work or concrete surfaces on existing foundation in cement mortar ratio 1:6

Taking down/dismantling of transformers from plinth/pole/substn including disconnecting all necessary connections HT, LT, earthings etc and depositing to MES store yard as directed.

Supply, laying, jointing, testing and commissioning of HT XLPE cable insulated screened, PVC bedded galvanised steel strip or wire armoured electric power cable (Heavy duty) with aluminium stranded conductor 11 KV 'Earthed' grade conforming to IS 7098 (Part-II) through pipe/ducts/trenches/under floor/under road of size 95 Sqmm 3 core complete all as specified and directed.

Supply and fixing in replacement cable jointing kit for 11 KV grade cable for indoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Aluminium conductor cable of size 95 sqmm complete all as specified and directed..

Supply and fixing in replacement cable jointing kit for 11 KV grade cable for Outdoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Aluminium conductor cable of size 95 sqmm complete all as specified and directed.

Supply and installing in replacement air breaker switch gang operated triple pole, mechanically operated mounted on 12 Nos insulatior and steel frame, with operating mechanism worked from ground level for current rating upto 200 Amps, 11 KV voltage working pressure conforming to IS-1818/72 and 9921/85 complete manufacuter in original with operating handle, fixing arrangement, operating rod, etc including dropout fuse assembly with fuse carrier,fuse element mounted on insulators and steel frame mechanically, verticaly operated with operating rod of 25 mm bore medium grade GI pipe of suitable length worked from ground level with locking arrangement complete all as specified and directed.

M&L for earthing complete with galvanised steel earth plate electrode 60cmx60cmx6 mm thick buried directly in ground.(earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5 mtr below ground level connecting to galvanised strip 32x6mm as earth lead by means of bolts, check nuts and washers of GI and earth wire protected by provision of GI pipe light grade,40mm bore including provn of concrete pit in PCC (1:2:4) type B-1 using 20mm graded crushed stone aggregates with 40mm thick cover of RCC (1:2:4) reinforced with XPM (weight not less than 4 KG/Sqm) and frame of angle iron 25 X 25 X 3mm with lugs 2 Nos and with 6mm dia MS bar handle made to shape, GI medium grade 20mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge plate, common salt and charcoal filling, test point made out of phosphorous bronze with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning filling in and removal of surplus soil to a distance not exeeding 50 mtr, all as per electrical plate No 3 of SSR 2009 Part-I and connection all as specified and testing on completion.

Supply installation, commissioning and testing of transformer copper wound step down 400 KVA outdoor type 11/0.433 KV at no load 3 ph, 4 wire 50 Hz AC with oil immersed naturally cooled, delta connected on HV side and star connected in LV side in accordance with vector symbol DY-II with neutral brought out on secondary side and having tapping in step + 2.50 % + 5% and + 7.5% to be changed by mean of hand operated OFF load tap changing gear including first fill of transformer oil as per IS 335 and including all fitting accessories as specified in SSR part-I and as per revised IS-1180, 2014 (energy efficiency level 2), transformer should have cable end terminal box on LV and HV side, oil temprature gauge, dehydrating breather with first fill of dehydrating agent, oil conservator tank, explosive vent, rating and terminal marking plate, oil level gauge, oil drain and filter valve, providing independent earthing terminal for neutral and body complete with all other standard accessories etc as specified and directed with following fittings :- (a) Oil conservator tank with filling holes and cap filter type drain valve and oil level gauge (b) Silica gel breather with connecting pipe and first fill of dehydrating agent (c) Air Release valve plug (d) 01 No 100mm dia type thermometer vapour pressure type having rating 0-120 degree centigrate with max temp indicator and resetting device incl max reading pointer washers (e) Thermometer pocket on tank cover (f) 04 Nos plain solid CI detachable rollers (g) 02 Nos Earthing terminals on tank cover to facilitate GI Earth Strip (h) Rating plate and terminal marking plate (j) Two Nos GI tubing light grade 100mm dia 60cm long embedded in brick/wall on LT/HT side for drawing underground cable (k) First filling of oil confirming to IS 335 and tested upto 50KV/2.5mm dielectric strength (l) Lifting lugs/hook (m) Oil drain valve with plug (n) Cable end terminal boxes on LV and HV side consisting of 04 Nos porcelain bushing with nuts washers & bushing rod with one No cable gland suitable for existing size of LT cable on LV side including additional neutral separately brought out side LV cable end box with bush insulators for neutral earthing. 03 Nos HV porcelain bushings with nuts,washers and bushing rod with one No cable gland suitable for 3x95 sqmm H.T. cable on HV side complete all as specied and directed. (n) Explosive Vent (o) Taking down cement plaster on brick or stone walls etc including raking out joints, hacking for key, scrubbing down with water etc of existing transformer foundation including rendering 10mm thick on fair faces of brick work or concrete surfaces on existing foundation in cement mortar ratio 1:6

Note for Item No. 6,7 , 8 &18 Only (i) Any other parts/items not specified above but have been considered essential for smooth and safe functioing of the transformer system shall be included in the items and are covered against the quoted rates. (ii) The Transformer shall be tested at manufactureres factory before dispatch in the presence of rep nominated by GE. The following tests shall be carried out :- (a) Routine Test as per IS 2026 (b) Type test as per IS-2026 (iii) Precommissioning test of transformer :- Precommisioning test of trasformer shall be carried out before completion of the work in presence of EI/SEI