PROVN OF CONSTRUCTION OF TEMP TRANSIT ACCN AND ALLIED INFRA FOR TPS EARMARKED FOR UN MISSION AT 274 TRANSIT CAMP KHNAPUR UNDER GE (P) (BR) (TSB) DELHI CANTT-10

Amount

EXTERNAL ELECTRIC SUPPLY M&L for Construction of platform for transformer of size 2.5 x 2.5 x 1.5 mtr with following specifications :- a) Earth work in soft/loose soil. B) 15 cm thick PCC 1:4:8 type D-2 using 40 mm graded crushed stone aggregate as lean concrete in foundation . c) Brick work with sub class 'B' brick built in cement mortar 1:4 . d) 75mm thick PCC 1:2:4 type D2 using using 20 mm graded aggregate over brick platform . e) Chain link on fecing post of size 40 X 40 X 6 mm of height 1.80 mtr at 2 mtr c/c around brick platform including excavation and earth work 30 cm embedded portion of angle iron in PCC 1:2:4 type B2 of size 60 X 60 X 60 cm. f) Chain link fecing of height 1.8 mtr made out of GI wire not less than 3mm and pitch not more than 75mm . g) Angle iron gate using 40 X 40 X 6 m angle iron of size 2 x 1.5 m with vertical flat 25x 6 mm @ 10 com c/c including handing & locking arrangement . h) 15 mm thick plaster in CM 1:6 on brick masonary platform . j) All exposed surfaces of steel work shall be given two coats of synthetic enamel paint over a coat of red oxide primer . k) Stair case of brick masonary for easy access to the plateform .

Supply , install, testing and commissioning of indoor/outdoor type transformer step up/down 11000 /433 volts copper wound 3 phase of capacity 160 KVA 4 wire, 50 Hz, with standard fitting/fixtures cable box at HT/LT side fitted with suitable size of cable glands and neutral brought out complete with first fill of transformer oil fill to appropriate level temperture gauze, breather conservator tank and cooling radiator including construction and mounting the transformer on platform all as per IS-1180 2014 (level-II) complete all as specified and as directed as specified as under:-

Transformer shall be double wound, core type with low loss, non ageing, high permeability CRGO prime core grade M-OH / ZDKH /TCH grade , perfectly insulated and clamped to minimize noise and vibrations. The transformer shall be IS/IEC 60076 and as per IS-1180 part - I of 2014 marked. Flux Density at rated voltage and rated frequency should be 1.688 T the transformer shall be designed as per CBIP manual 317 for over-fluxing withstand capacity of 110% continuous, 125% for 1 minute and 140% for 5 seconds. and over loading capacity of transformer shall be as per IS 6600 , Noise level as per NEMA TR1, with class A insulation, Tank pressure, Vacuum withstand capability & minimum clearances as per CBIP manual, No Load Current within 1% to 2% of Full load current Transformer losses shall not exceed the loses mentioned in Table 6 of IS: 1180 of 2014 Part - I with Energy Efficiency Level - 2 and shall comprise of the following accessories :-

(a) One cable box on HT side (Primary side) consisting of three no. porcelain bushing with copper rods, complete with nuts and washer , with cable glands suitable for reception/taking out 3 core 95/120 , HT 11000 volts grade, XLPE insulated and PVC sheathed, heavy duty , armoured cables including jointing materials complete.

(b) One cable box on LT side(secondary side) consisting of four no. porcelain bushing with copper rods, complete with nuts and washers, with cable glands suitable for reception/taking out of Bus Trunking system sandwitch type, LT 1100 volts grade.

(c) Conservator with filter type drain valve and oil level gauge.

(d) De-hydrating breather with first fill of dehydrating agent (Silica Gel).

(e) Explosive vent, Thermometer pocket on tank cover, oil level gauge, Oil drain filter valve, Jacking / Lifting lugs, Marshalling Box, with oil filling hole with cap/plug with connection plate complete, Air release valve plug and four no. plain solid cast steel detachable rollers.

(f) One no 100 mm dia, 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 terminals on tank cover to facilitate fixing of 50x6mm galvanised iron earth strip for earthing of body.

(h) Rating plate and terminal marking plate.

(j) Extra bushing for neutral in the LT cable box for providing independent set of earthing for neutral.

(k) First fill of new and unused transformer oil, IS-335 of 1986 marked, filtered and tested not less than 50 KV dielectric strength at 2.5 mm air gap between testing electrodes, specific resistance at 27 Degree Celsius Ohm-ohm 500 x 10 the power12, water content 50 PPM, Dielectric dissipation factor (tan Delta at 90 degree Celsius) 0.005, Neutralisation value mg of KOH/gm of oil 0.03, Inter facial tension N/M at 27 Degree Celsius - 0.04, flash point 140 Degree Celsius and sludge 0.1 % by weight.

(l) Detachable Rollers of adequate load capacity and no. of channels, embedded in floor, for movement of transformer.

(m) Top and Bottom Filter cum drain Valves with Dummy Plate.

(n) 6" Oil temperature indicator and winding temperature indicator with alarm and Trip contacts

(o) Radiators shall be of Detachable type with proper butter fly valves

(p) Double Float Buchholz Relay with alarm and trip Contacts

(q) Providing adequate size and 2 nos of channels, embeded in floor, for movement of transformer.

(r) Tranformer losses shall not exceed the loses mentioned in Table 6 of IS: 1180 of 2014 Part - I with energy Effeciency level - III.

(s) Oil temperator indicator , winding temperature indicator, marshalling box single window, double flit buchhols relay with alarm and trip contact including connection to VCB relay with PVC insulated PVC sheathed cable galvanized steel strip or wire armoured electric control cables (Heavy duty) with stranded copper conductor of size 2.5 sq mm 12 core 1100 volts grade.

NOTE :- (i) Rate quoted includes the cost of labour for making and Testing of controll wiring connection at the Transformer and RMU/VCB for the Temperature alarm/Trip, Gas alarm/Trip. (ii) Controll cable shall be measured and paid separately

Supply, installing & Testing and commisioning factory made and tested (incl CPRI type tested certified) LT feeder pillar box (KIOSK) outdoor type, platform mounted suitable for 415 volts 3 phase 4 wire 50 Hz AC supply system having bus bar chamber with insulated aluminium bus bar 300 Amps rating installed on porcelain insulators. The panel shall be dust and vermin proof IP 65 class protection and made of 3.15mm CRCA MS sheet and 40X40X6mm thick angle iron frame of height not less than 45cm powder coated finish over one coat of red oxide primer outside and two coats of red oxide primer inside, fronth opening mounted on PCC (1:2:4) platform of height 45cm above ground level, type with aprons for cable entry with double door shutter and locking arrangment ( inluding provn of 65 mm Godrej freedom) lock with 2 keys, internal wiring with PVC insulated solid copper conductor FRLS cable IS 694 marked of adequate size but not less than 4 sqmm. The scope of work includes the following :-

(a) Incoming (i) MCCB 4 pole 415 volts grade 200 Amps rating adjustable type and 36 KA rupturing capacity - 01 No.

(iv) CTs 08 ratio 160/s class ISI marked set of three each

(v) indicating lamps - 01 set of three

(b) Outgoing (i) MCCB four pole 415Volts grade 32 Amps rating adjustable type and 35KA rupturing capacity - 10 Nos ( 09 for Ors Accn and 01 for street lights)

(ii) Astonomincal timer switch with contactor TPN 32 Amps - 01 No.

S&F wall mounted bracket light with retrofit holder suitable for any type of LED bulb for WT complete all as specified & directed.

Description of Work / Item(s)

Amount

Total amount of REVISED Sch 'A' Section I (Building work) (Pre Priced Amount as in Col 5, brought forward from Total of Sch A section I)

Total amount of REVISED Sch 'A' Section II (Internal Electric Supply) (Pre Priced Amount as in Col 5, brought forward from Total of Sch A section II)

Total amount of Sch 'A' Section III (Area Drainage) (Pre Priced Amount as in Col 5, brought forward from Total of Sch A section III)

Total amount of REVISED Sch 'A' Section IV (Road, Path & Culvert) (Pre Priced Amount as in Col 5, brought forward from Total of Sch A section IV)

Total amount of Sch 'A' Section V (External Electric Supply) (Pre Priced Amount as in Col 5, brought forward from Total of Sch A section V)

Total amount of REVISED Sch 'A' Section VI (Excavation, Earth work & Site Clearance) (Pre Priced Amount as in Col 5, brought forward from Total of Sch A section VI)

M/s Arihant Builders

mahinder pal and co

B D Raizada Projects Pvt Ltd

VEE SONS BUILDERS PVT LTD

NITYA NAND AND SONS CONTRACTORS PVT LTD

M M SHAWL Engineers and contractors pvt ltd

VEE SONS BUILDERS PVT LTD

NITYA NAND AND SONS CONTRACTORS PVT LTD

G and G Infratech Private Limited

B D Raizada Projects Pvt Ltd

mahinder pal and co

Bidder Name

B D Raizada Projects Pvt Ltd

mahinder pal and co

NITYA NAND AND SONS CONTRACTORS PVT LTD

M M SHAWL Engineers and contractors pvt ltd

M/s Arihant Builders

VEE SONS BUILDERS PVT LTD

G and G Infratech Private Limited