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tender for provn of transformer near certain locations under ge north mamun; 1 supply, installation, commissioning and testing of transformer step down, outdoor type, copper wound, oil cooled , 11/0.433 kv (at no load) with ht 3 phase and lt 3 phase 4 wires, ac ,50 hz of capacity 160 kva with off load tap changing in 7 nos positions arrangement on ht side for a variation of secondary voltage +5% to -10% in steps of 2.5% bis marked & bee star labelled, when measured by the resistance meathod after continuous full load run in ambient temperature 48 degree centigrade. including suitable cable entry box on lt side and ht bushing on primary side complete in all respect with standard accessories and fittings confirming to is 1180 2014.the transformer shall be complete with standard fittings all as specified als latest design (level iii) for transformer comprising of following :- (i) one cable box on hv side(primary side) consisting 3 nos porcelain bushing rods complete with nut, washers, cable, gland etc., (ii) one cable box on lv side(secondary side) consisting 4 nos porcelain bushing rods complete with nut, washers, cable, gland etc., (iii) oil conservator tank with filter type drain valve and oil level gauge., (iv) de-hydration breather with first fill of de-hydrating agent(silica gel)., (v) explosive vent, (vi) thermometer pocket on tank cover, (vii) dial type thermometer, vapour pressure type having range 0 to 120ºc with metal guard having maximum perimeter reading temperature indicaton with resetting device for transformer, (viii) rating plate with terminal marking plate, (ix) earthing terminal on tank and cover for fixing earth strip of size 32 x 6mm., (x) oil level guage and oil drain filter valve., (xi) lifting lugs, (xii) oil filling holes with cap/plug with connecting plate complete., (xiii) air release valve plug, (xiv) extra bushing for neutral out side the cable box for independent earthing for neutral earth., (xv) first filling of fresh transformer oil confirming to relevant is and tested up to 45 kv die electric strength.note: test certificate, purchase voucher of transformer and test certification of electric strength shall be submitted by the contractor after filling the oil from manufacturer. 2 supply, installation, commissioning and testing of transformer step down, outdoor type, copper wound, oil cooled , 11/0.433 kv (at no load) with ht 3 phase and lt 3 phase 4 wires, ac ,50 hz of capacity 100 kva with off load tap changing in 7 nos positions arrangement on ht side for a variation of secondary voltage +5% to -10% in steps of 2.5% bis marked & bee star labelled, when measured by the resistance meathod after continuous full load run in ambient temperature 48 degree centigrade. including suitable cable entry box on lt side and ht bushing on primary side complete in all respect with standard accessories and fittings confirming to is 1180 2014.the transformer shall be complete with standard fittings all as specified als latest design (level iii) for transformer comprising of following :- (i) one cable box on hv side(primary side) consisting 3 nos porcelain bushing rods complete with nut, washers, cable, gland etc., (ii) one cable box on lv side(secondary side) consisting 4 nos porcelain bushing rods complete with nut, washers, cable, gland etc., (iii) oil conservator tank with filter type drain valve and oil level gauge., (iv) de-hydration breather with first fill of de-hydrating agent(silica gel)., (v) explosive vent, (vi) thermometer pocket on tank cover, (vii) dial type thermometer, vapour pressure type having range 0 to 120ºc with metal guard having maximum perimeter reading temperature indicaton with resetting device for transformer, (viii) rating plate with terminal marking plate, (ix) earthing terminal on tank and cover for fixing earth strip of size 32 x 6mm., (x) oil level guage and oil drain filter valve., (xi) lifting lugs, (xii) oil filling holes with cap/plug with connecting plate complete., (xiii) air release valve plug, (xiv) extra bushing for neutral out side the cable box for independent earthing for neutral earth., (xv) first filling of fresh transformer oil confirming to relevant is and tested up to 45 kv die electric strength.note: test certificate, purchase voucher of transformer and test certification of electric strength shall be submitted by the contractor after filling the oil from manufacturer. 3 supply, installation, commissioning and testing 11 kv air break switch, gang operated for current rating upto 200 amps,triple pole, horizontal type, mechanically operated (mounted on insulator and steel frame) with accessories such as polymer insulator assembly (set of 15 insulators), jumper conductor acsr with operating mechanism worked from ground level complete including gi tubing of 20mm dia bore (heavy grade) alongwith drop out fuse and steel frame including application of two coats of aluminium paint over a coat of primercomplete all as specified and as directed. 4 material and labour for erection of steel tubular swaged pole 11 metre long, type 410, sp-55 with cast iron base plate, finial, taper plug, bolts, nuts and screws as specified, including painting with anti corrosive paint internally and externally complete and applying two coats of aluminium paint above planting depth and alternative strips of 30cm height upto 1.5 mtr above coping of the pole complete all as specified and as directed.note : excavation, foundation concrete, presenative treatment etc shall be measured and paid separately under the respective items of boq 5 s & f of lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amps suitable for 11000 volts including brackets, clamps, nuts, washers and connecting complete all as specified and as directed. 6 material and labour for cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of aluminium paint complete all as specified and as directed. 7 material and labour for danger notice plate of 1.6mm thick mild steel sheet, vitereous enamelled white,with letters,figures and conventional skull and bones in signal red colour and fixed with ms clamps,bolts and nuts of approved size 25x20cm for ht size all as specified and directed. 8 s&f anti climbing device comprising 2.24mm dia galvanised steel 2 strand barbed wire with 2mm dia barbs wrapped spirally round poles to a length of 0.5 to 1 mtr clamped and properly secured or as ordered including all accessories all as directed. 9 m&l for coarse aggregate 40 mm size downgraded including spreading and levelling surrounding area of 2 pole structures after making boundary wall by using bricks and pcc, plastering all as spd and directed. (note : height of brick wall is 30 cm below the ground level and 30 cm above the ground level). 10 s&f of fully retroreflective sign boards of cut to sizes/shape having writing back ground made out of 18 swg ms sheet duly painted with two coats of synthetic enamel paint over a coat of primer including marking/writing letters, road sign any type with radium tape in different colours, duly mounted on steel rod 40 mm dia fancy type fixed with nut, bolt, washer and welding (height of rods as per site requirement) etc including all necessary earth work and pcc for foundation all as specified and directed. 11 m&l for boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine & equipments (t&p) including provision of hdpe pipe of size 150 mmdia bore suitable for 0.4 mpa working pressure complete all as specified and as directed. 12 supply and laying in trenches or fixing to wall/pole or passing through pipe, xlpe insulated screened pvc bedded galvanized steel strip or wire armoured electric power, cable (heavy duty) with aluminum conductor, 11000 volts grade cross sectional area 95 sqmm 3 core all as specified and directed. (note :1. quoted rates included for making good all distributed wall surfaces/ flooring/tilling to match with existing specifications.2. excavation and earth work, sand cushioning, cable covers and gi pipe shall be measured and paid separately under respective items). 13 s &f aerial bunched cable 11000 volt grade stranded & compact aluminium phase conductor aerial bunch cable of size 3 x 95 sqmm with stranded massanger conductor of 70 sqmm (bare massanger acsr/aaac). the phase conductor should be insulated with xlpe (sioplas) compound with all fitting such as anchor clamp, suspension clamp, inline connector, service clamp, insulation piercing connector, for taps from bare lines etc complete. note:- any other fitting besides this is also deemed to be included in the quoted rates. 14 supply and fix cable jointing kit for 11 kv grade cable for out door termination heat shrink type joint complete with jointing material and accessories suitable for 3 core xlpe armoured aluminium conductor cable of size 95 sq mm complete all as specified and directed. 15 m&l for earthing complete with galvanised steel earth plate electrode of size 60 cm x 60 cm and 6 mm thick burieddirectlyinground (earth pit notless than 2.25 m deep below gl) with top edge of the plate not less than 1.5 mbelow the normal groundlevelconnecting togalvanized earth leadstrip of size 32mm x 06mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel and earth lead protected byprovision of gi medium grade pipe 40mm bore dia including 40mm thick cover of rcc (1:2:4) type b-1 (using 20mm graded crushed stone aggregate) reinforced with xpm (weight not less than 4 kg/sqm) and frame of angle iron 40mmx40mmx6mm with 6mm dia ms bar handle made of shape, gi medium grade 20mm borepipe for watering of suitable length placed on top edge of earth plate, common salt and charcoal filling, with fixing arrangements, funnel, wire mesh and earth work in any type of soilor all kind of soil including returning filling in and removal of surplus soil to a distance not exceeding 50 metre complete all as per plate no 03 of ssr-2009 part-i (specification) and connecting to earth test point all as specified or indicated including testing on completion complete all as specified and as directed. 16 all as per srl item no 15 here-in-above but earthing with galvanized earth lead wire 4.00mm dia with protection pipe of size 15mm complete all as specified and directed. 17 supply and laying in trenches or fixing to wall/pole or passing through pipe, xlpe insulated heavy duty electric cable with aluminium conductor 1100 volts grade cross sectional area 95 sqmm 3.5 core complete all as specified and directed.(note :1. quoted rates included for making good all distributed wall surfaces/ flooring/tilling to match with existing specifications.2. excavation and earth work, sand cushioning, brick covers and gi pipe shall be measured and paid separately under respective items.) 18 all as per item no 17 here-in-above but cable of size 50 sqmm 3.5 core complete all as specified and directed. 19 all as per item no 17 here-in-above but cable of size 35 sqmm 3.5 core complete all as specified and directed. 20 m&l for cable jointing kit for 1100 volt grade cable for outdoor/indoor termination end joint heat shrinkable type complete with jointing material and accessories suitable for xlpe/pvc armoured aluminium conductor cable of size 35 to 95 sqmm 3.5 core complete all as specified and directed.. 21 m&l for plateform for transformer of size 3.0m x 3.0m and 1.0 m high from ground level with brick masonry wall in cement mortar 1:4 including excavation , pcc 1:2:4 type b-2, 100 mm thick floor and 40 mm thick pcc 1:2:4 typr b-1 on top including steps to the gate , xpm jali of weight not less than 4 kg per sqm all arround with gate, incl 40mm x 40mm x 6mm angle 1.2 m long 15 mm thick plaster in cm 1:4 to brick masonry with two coats of cement base paint complete all as specified & directed by engr-in-charge. 22 supply, fixing, connecting and testing of oem manufactured apfc panel with 7% aluminium reactor of capacity 60 kvar (output) @ 440v ac. the stage ratings shall be 1 x 5 kvar + 1 x 10 kvar + 1 x 20 kvar + 1 x 25 kvar. the apfc panel shall be fully type tested at an independent laboratory a. the degree of protection of enclosures system of the apfc panel shall be min. ip41 in accordance. the capacitor bank shall be internet of things (iot) enabled and communicable/integrable with bms. the apfc panel shall be (indoor) type conforming to is 13341:1992 & is 13440:1993 floor mounted design, weather, dust and vermin proof. as equipment shall be comprising of the insulated bus bar pan assembly made from aluminium and rated of 250 amps capacity. the short circuit withstand capacity chall be 50 ka/ 1 sec (lcw) for the main bus bar and the rated impulse withstand voltage shall be 6 kv complete all as specified and directed. 23 supply, fixing, connecting and testing of oem manufactured apfc panel with 7% aluminium reactor of capacity 50 kvar (output) @ 440v ac. the stage ratings shall be 2 x 5 kvar + 2 x 10 kvar + 1 x 20 kvar. the apfc panel shall be fully type tested at an independent laboratory a. the degree of protection of enclosures system of the apfc panel shall be min. ip41 in accordance. the capacitor bank shall be internet of things (iot) enabled and communicable/integrable with bms. the apfc panel shall be (indoor) type conforming to is 13341:1992 & is 13440:1993 floor mounted design, weather, dust and vermin proof. as equipment shall be comprising of theinsulated bus bar pan assembly made from aluminium and rated of 250 amps capacity. the short circuit withstand capacity chall be 50 ka/ 1 sec (lcw) for the main bus bar and the rated impulse withstand voltage shall be 6 kv complete all as specified and directed. 24 s&f mccb 4 pole 415 volts fixed type 125ampswith breaking capacity 16 ka, fixed thermal from 80 to 100% & fixed magnetic release withics = 100% icu, including spreadres after taking out old u/s one all as specified and directed. 25 s&f mccb 4 pole 415 volts fixed type 100 ampswith breaking capacity 16 ka, fixed thermal from 80 to 100% & fixed magnetic release withics = 100% icu, including spreadres after taking out old u/s one all as specified and directed. 26 excavation in trenches in any type of soil n exc 1.5 mtr in width and n. exc 1.5 mtr in depth and getting out all as required for laying of cables, foundation filling of poles or stays. 27 all as per srl item no 26 here-in-above but for additional 1.5 m in depth and not exceeding 3 mtr in depth complete all as specified and directed. 28 removing excavated material to a distance not exceeding 50 meters and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and directed. 29 returning filling, in including spreading ,leveling, watering and well ramming in layers not exc 25 cm each all as required complete all as specified and directed. 30 m&l for sand cushioning to under ground cables 8 cm thick before laying the cable and 15 cm, thick after laying, stretchingand testing the cable complete all as specified and directed.note:- only punned thickness i.e 18cm will be measured and paid. 31 supplying and laying un-reinforced precast concrete cable cover, class hv, type 1 , flat, size 300mm x 180mm x 40mm all as specified and directed. 32 m&l for sub class ‘b’ bricks old size. laid dry flat over the cable abutting each other, length of cable equal to width of brick all as required complete all as specified and directed. 33 m&l for cement concrete 1:4:8 type d-2 (using 40mm graded stone aggregrate) for foundation filling as mass concrete including necessary form work complete all as specified. 34 m&l for cement concrete 1:2:4 type b-1 (using 20mm graded stone aggregrate) for pole coping complete all as specified. 35 m & lfortube, lightgrade galvanised of80mmbore withallfittingslaidintrenches/through wall / underroad/floor or pole by means of gi/ms clamps, nuts bolts and washers complete all as specified and directed. 36 m & lfortube, lightgrade galvanised of100mm bore withallfittingslaidintrenches/ through wall / underroad/floor or pole by means of gi/ms clamps, nuts bolts and washers complete all as specified and directed. 37 m & lfortube, lightgrade galvanised of40mmbore withallfittingslaidintrenches/through wall / underroad/floor or pole by means of gi/ms clamps, nuts bolts and washers complete all as specified and directed. 38 supplying and laying un-reinforced precast cement concrete (1:2:4) type, b-1 (using 20 mm graded crushed stone aggregrate)cable route indicator of size 800mm x 300mm x 100mm, laid along the line of cable at an interval not exceeding 200 metre and also at turning points of the power cable route wherever practicable and planting depth shall be 300 mm from ground level including complete earth work (excavation in treches, returning / filling & removal of surplus soil not exceeding 50 metre)complete all as specified and as directed. 39 supply, laying, connecting, testing and commissioning of cable ht 11 kv, stranded compacted circular of size 150 sqmm aluminium conductor, single core, screen with extruded semi conducting compound, xlpe insulated, insulation screening with extruded semi conducting compound incombination with copper tape, aluminium round wire, and overall pvc sheathed cable conforming to is 7098 (part- 2) 2011 (edition) for using on god structure complete all as specified and as directed. 40 m&l for stay assembly complete with ms stay plate of size 600x600x6mm thick, stay rod 20 mm dia, stay bow, nuts, bolts and check nuts of gi all as shown in ep no 01 of ssr part-i, 2009 ( excavation, pcc, saty wire and loop type insulators will be measured separately) complete all as specified. 41 m&l for galvanized stay strand of 7/4mm size complete all as specified and directed. 42 m&l for loop type insulator large size with overall dimensions (90 x140) mm with clearance of hole 25.5 mm vitreous white brown or green complete all as specified. 43 s&f disc type insulator, porcelain, vitreous 145mm high and 255mm dia ball and socket type, white, brown or green two-in-series assembly for tension with tension clamps for conductors, working pressure 11000 volts all as spd and directed. 44 m & l for lt panel, installation, commissioning and testing of new lt panel cubical type suitable for outdoor installation factory made cpri approved of suitable size , dust & vermin proof fabricated out of 3.15 mm thick crca sheet duly powder coated with cable entry & exit with suitable size of glands, terminals & thimbles all as specified , duly mounted on angle iron framefixed on rcc/pcc block fixed with grounded bolts & nuts and washers including suitable rating copper bus bar 300 amps for 3 phase 4 wire mounted on epoxy based post insulators, mcb spn 63 amp- 03 nos, led indicator lamp set type ryb and suitable for and including one incoming mccb 160 amps 4 pole 36 ka-01 nos, mccb 63 amps 4 pole 16 ka- 01no, mccb 40 amps 4 pole 16 ka -03 nosas outgoing, digital ammeter, voltmeter, cts of required size, thimble & cable gland for incoming and outgoing cables and wiring with suitable size of pvc copper cable/strip complete and making good all disturbed surfaces of floor/wall using rcc/pcc work as required at site complete all as required at site or directed. 45 m & l for lt panel, installation, commissioning and testing of new lt panel cubical type suitable for outdoor installation factory made cpri approved of suitable size , dust & vermin proof fabricated out of 3.15 mm thick crca sheet duly powder coated with cable entry & exit with suitable size of glands, terminals & thimbles all as specified , duly mounted on angle iron framefixed on rcc/pcc block fixed with grounded bolts & nuts and washers including suitable rating copper bus bar 300 amps for 3 phase 4 wire mounted on epoxy based post insulators, mcb 4 pole, 63 amp- 03 nos, mcb spn 63 amp- 03 nos, led indicator lamp set type ryb and suitable for and including one incoming mccb 200 amps 4 pole 36 ka-02 nos, mccb 63 amps 3 pole 16 ka- 01 no as outgoing, digital ammeter, voltmeter, cts of required size, thimble & cable gland for incoming and outgoing cables and wiring with suitable size of pvc copper cable/strip complete and making good all disturbed surfaces of floor/wall using rcc/pcc work as required at site complete all as required at site or directed.
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