ADDL ALTN OF HT INFRASTRUCTURE OF AHRR UNDER GE E AND M R R HOSP DELHI CANTT 10

Supply, installation, testing & commissioning of 11 KV outdoor type one side-extensible 5-way Ring Main Unit floor mounted with internal copper bus bars, consisting of 2 nos. fixed type motorised Load break switch for incoming and 3 nos. fixed type motorized Vacuum Circuit Breaker for outgoing. All live parts, bus bars, LBSs & VCBs connections of RMU should be enclosed in tank & sealed for life robotically welded non magnetic and non ferrite grade stainless steel tank Grade 304 of minimum 2.5 mm thick having IP67 degree of protection filled with SF6 gas as insulation with leakage rate less than 0.1% per year tested as per IEC 62271-200.The unit shall have front cable entry for ease of installation and shall have site replaceable bushings for ease of troubleshooting during breakdown without sending the RMU to OEM factory. RMU should be complete with all accessories such as end Terminal kits (indoor/outdoor) heat shrink of suitable size for Cable, VPIS, cable supports, all front cable terminations, mechanical indications for Load break switch ON/OFF, Manometer as per with IEC standards 62271-200, 60056, 60129, 60265, 60298, 60420, 60529 and 60694. Altitude of installation up to 1000m as per IEC 60120. Bushings bolted type top mounted outside the tank for connection of external bus bar .The unit shall include the following with all necessary standard fitting required at site. Make of RMU: ABB, SIEMENS, SCHNEIDER INFRA. Note : 1. The RMU shall be designed and manufacturered by OEM only not by their franchise or authorised partners. 2. OEM will stand warranty of 05 years for complete design, supply and inspection upto site service support.

All as per ser item No. 2 but supply,installation,testing & commissioning of 11 KV outdoor type one side-extensible 6-way Ring Main Unit floor mounted with internal copper bus bars, consisting of 2 nos. fixed type motorized Load break switch for incoming and 4 nos. fixed type motorized Vacuum Circuit Breaker for outgoing.

All as per ser item No. 2 but supply,installation,testing & commissioning of 11 KV outdoor type one side-extensible 3-way Ring Main Unit floor mounted with internal copper bus bars, consisting of 2 nos. fixed type motorized Load break switch for incoming and 1 no. fixed type motorized Vacuum Circuit Breaker for outgoing.

All as per ser item No. 2 but supply,installation,testing & commissioning of 11 KV outdoor type one side-extensible 1-way Ring Main Unit (Incoming cum outgoing type) floor mounted with internal copper bus bars, consisting of 1 no. fixed type motorized Vacuum Circuit Breaker & 1 no. direct cable module.

Supply, installation, testing and commissioning out door type, floor mounted step down transformer, 11KV/ 433 Volts ( At no load) AC 3 ph, 4 wire, 50 Hz, present energy efficient level - 2 confirming to relevant IS, IS:2026 (ISI maked and BEE Approved), capacity 500 KVA CRGO with M4 grade, core type, double copper wound, oil immersed, naturally cooled, oil natural- air -natural (ONAN), Class A insulation 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 tappings +/- 5% at the step of 2.5% on HV side to be changed by means of hand operated off load tap changer gear. The maximum temprature rise should not exceed 40 degree C in oil and 45 degree C in HV /LV windings when measured by resistance method after countinuous full load run on an ambient temp of 50 degree C complete all as specified & directed and shall also comprises of the following:- (a) 01 cable box chamber on HV side ( primary) consisting of 03 Nos poreclin bushing with copper bus bar complete with nuts and washers, with 01 No cable gland suitable for XLPE HT cable. (b) 01 cable box chamber on LV side ( secondary) consisting of 04 Nos poreclin bushing with copper bus bar complete with nuts and washers, with 02 No cable gland suitable for XLPE LT cable. (c ) Oil conservator tank with filter type drain plug and oil level gauge. (d) Dehydrating brether with first fill of silica gel. (e) Explosive vent, thermameter pocket on tank cover, oil level guage, oil drain filter valve, lifting hucks, oil filling hole with cap/ plug with connection plate, Air release valve plug at four Nos plate, soil cast steel detachable rollers complete. (f) 01 No 100 mm dia, dial type thermometer, vapour pressure type, having range 0-120 degree C with metal guard having maximum perimeter temperatre reading indicator with resetting device.

(g) 02 Nos earthing terminals on tank cover to facilitate fixing of 32 x 6 mm copper earth strip for earthing of body. Rating plate and terminal marking plate. (h) Extra bushing for neutral, in the LT cable box for providing independent set of earthing for natural. (j) First fill of new and unused transformer oil, as per relevant IS, filtered and tested up to 60 KV die electric strength at 2.5 mm air gap between testing electrodes (make: savita / Power Oil). (k) Providing adequate size and Numbers of channels, embedded in flour, for movement of transformers. (l) Buchholtz relay complete with electric connection up to relay - 01 No (m) Provn of new platform with suitable working space for inspection as per manufacturer specification and drawing having load bearing power more than 4.5 ton or suitable for 500 KVA transformer including plastering & whitewash. This also including demolition of existing platform, returning, filling, leveling and ramming and removal of extra material. Note:- (i) The transformer should be designed and manufactured by Original Equipment Manufacturer (OEM ) only and drawing shall approved by GE before manufacturing of the same. (ii) OEM will stand warranty of 02 years for complete design, supply and inspection upto site service support.

Supply, installation, testing and commissioning factory made (CPRI approved) LT panel, outdoor type, made out of 3.15 mm thick CRCA sheet, powder coated, weather, dust & vermin proof, front and back openable door, with suitable size angle iron frame and locking arrangement, airvent, including suitable working space in bus bar chamber, suitable for 3 phase 4 wire system, 415V, 50 Hz, AC supply, including minimum 1.5 times of main incomer rating aluminium bus bar with PVC sleeves/ tape RYB colours for phases identification, including all bus bar shall be extend upto cable box chamber fixed on fiber insulation for RYB & neutral to all out going cable and fixed on raised PCC platform with PCC 1:2:4, with control wiring with suitable copper wire, cable gland & lugs etc and comprising the following:- (Loc - Family Qtr) (i) MCCB 4 Pole 415 volts AC 50 Hz 630 Amps, 50 kA - 01 No (Incomer) (ii) 1 No. change over switch ON load 630 Amps, 4 pole, 415 Volts. (ii) Digital and programmable multifunction meter with all parameter with suitable capacity of 03 Nos CT's - 01 No (iii) LED indication lamp with toggle switch RYB for phase indication- 01 Set of three (iv) MCCB 4 Pole 415 volts AC 50 Hz 400 Amps, 36 kA - 02 Nos (Outgoing) (v) MCCB 4 Pole 415 volts AC 50 Hz 250 Amps, 36 kA - 01 Nos (Outgoing) Note:- (i) OEM will stand warranty of 02 years for complete design, supply and inspection upto site service support. (ii) All MCCBs shall be adjustable type with thermal magnetic release, Ics = 100% Icu & Icw for 1 sec.

Supply, laying, jointing, testing and commissioning new XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 300 sqmm x 3.5 Core two run in trench/ pipe/ panel incl cable connection & cable gland complete all as specified and directed.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 11000 volts grade, of size 3 core 95 sq mm.

All as per item ser no -9 but here-in-before Cable of size 3 core 120 sq mm.

All as per item ser no -9 but here-in-before Cable of size 3 core 150 sq mm.

All as per item ser no -9 but here-in-before cable of size 3 core 185 sq mm.

Excavation in trenches, n.exc 1.5 m wide and n.exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n.exc 10 Sqm on plan and n.exc 1.5 m in depth in soft / loose soil and getting out complete all as specified & directed.

M&L for sand cushioning with a layer of fine dry sand before and after laying the cable in trenches to cover under ground cable, complete all as specified & directed. Note:- Punned thickness shall be measured for payment purpose.

Supplying and laying in replacement reinforced precast concrete cable cover, class HV, type 1, flat, size 300mmx180mmx40mm for cable protection complete all as specified & directed.

Supplying laying, brick sub class 'B' common burnt laid in trenches for cable protection complete all specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm thick complete all as specified & directed.

Removal excavated material (soil) not exc. 50m and depositing where directed at a level not exc 1.5m above the starting point complete all as specified & directed.

Material & Labour for road cutting, including excavation, returning filling in, spreading, leveling well ramming in layers, soling with broken boulders/stones, WBM 7.5 cm thick coarse aggregate received from dismentling the existing road, premix, carpeting 25 mm thick using ready mix patch mate material or with PCC, rolled and compacted for road patch repair work, complete all as directed.

S&F GI pipe of 100 mm nominal dia light grade with all fittings laid in trenches or under road crossing or fixed to walls/poles with clamps nuts, bolts and washers for cable protection complete all as specified and directed.

S&F pre-cast cement concrete chequered tile of size 30cm x 30cm x 22-25 mm thick, rubberized finished lacquer quoted anti abrasive material, set, jointed and pointed including screed bed and bedding layer of mortar 15 mm thick in CM 1:6 for laying floor finishes complete all as specified and directed.

M&L for Machine pressed precast & pre-polished coloured concrete interlocking paver block any shape and size of 80 mm thick with grey cement & pigment of M-40 grade laid in path / hard standing complete all as specified and directed.

M&L for Cement concrete in foundations, filling and mass concrete 1:4:8 type D2, (using 40 mm graded stone aggregate) complete all as specified & directed.

M&L for 25 mm thick PCC 1:2:4 type B-1 (using 20 mm graded stone aggregate) in sub base of floor complete all as specified and as directed

Earth continuity conductor or main earthing lead or copper earth strip 20 x 3 mm fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc.

M & L for extension of existing 4 way RMU (indoor type), by adding one nos of VCB (for outgoing) same specifications, capacity, busbar, make and model, including all electrical connections carefully from existing RMU and testing of the same after all its electric connections, installation and commissioning of including new breaker upto the satisfaction level of the Engr-in-charge all as specified and directed. .

M & L for shifting of RMU / LBS, from one location to another location within cantt area including dismantling all electrical connections carefully from existing position and making all its electric connections, installation and commissioning including foundation in PCC 1:2:4 suitable for the RMU at new location including foundation complete all as specified and directed. Note: T&P such as crane and other machinery required for shifting and installation of transformer shall be borne by the contractor under this item.

Taking down carefully transformer any capacity, any make, any type from pole / plinth by dismantaling, dis-connecting HT & LT sides, earthings of transformer, supporting angles / crossarms, shifting / transporting transformer carefully from the site to another location in entire cantt including foundation in PCC 1:2:4 & brick work as required of suitable size for the transformer and refixing at site after repair with all electrical connection to the entire satisfaction of engineer -in- charge. (Shifting of 315 KVA Transformer from J-Block Sub Stn to Ashian)

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