CWE/FZR- /2022-23 Provn of electrical connection and water supply line to slice CT scan centre on full turnkey basis project at 159 GH under GE (East) Ferozepur Cantt

Amount

Supply, installation, connecting, testing and commissioning of 11 KV, 630 Amps, Non-Extensible Outdoor Fixed Type (IP54), RMU (Ring main unit) 3-way comprising of 2 Nos 630 Amps, Motorized operated Load Break Switch (Comprising Two Nos. Incomers) & 1 No. motor operated Vacuum Circuit Breaker as Outgoing, inside non-manually/ TIG Welding/ robotically welded stainless steel 304 (Non Ferrite Non Megnetic Grade) filled with SF6 gas at suitable pressure in accordance with the IEC 60298. tank having min. thickness 3+0.5 mm having IP 67 Degree of Protection. RMU should be provided with internal busbars, as well as earthing busbars should be of copper, padlock provisions & complete with all accessories. The RMU shall be type tested for Internal arc test of 21KA AFLR for 1 sec as per IEC62271-200 including both cable box and tank. RMU shall be equipped with site replaceable bushing. The earthing copper busbar shall be provided inside each cable compartment for soilid earthing of Cable sheilds. The outer enclosure main door should cover entire part of the switchgear including front cover and cable doors for providing complete IP 54 protection. The unit shall include the following with all necessary standard fitting as required at site. (i) Rated Voltage - 12KV, (ii) Power frequency withstand voltage - 28KV, (iii) Impulse withstand voltage - 75kVP (an altitude <1000 m above msl), (iv) Rated Current Amp - 630A. SF6 Insulated Vacuum Circuit Breaker consisting of 3 modules having Two Load Break Switch and One Vacuum Circuit Breaker :- (a) 2 Nos. Incoming Load Break Switch module should consist of following accessories :- (i) Operation of LBS should be Motorized. (ii) 630A Load Break Switch module for making and breaking of fault current alongwith 25KA/1s tee-off Circuit Break. (b) Integral Earth Switch of full making capacity:- (i) Making Capacity - 50KA, (ii) Auxiliary contacts - 1NO + 1NC, (iii) Power frequency withstand voltage - 28KV, (iv) Impulse withstand voltage - 75KV, (v) Nominal operating gas pressure - 1.4 Bar abs,

(c) Front cover mechanism - IP2X, Cable covers - 3X, Snap action mechanism for manual operation, Cable box for front termination of the cable suitable upto 3 core 400 Sqmm, 11 KV XLPE cable. (d) Right angle terminal protects/ boots (push on type), Suitable site replaceable Cable bushings, Arc proof cable covers with self Interlocking mechanism with earth switch, Capacitive voltage indication fixed type system as per IEC61243. (e) Ronis Key Interlock between both Incomers (i) Impulse withstand voltage- 75KVP (an altitude<1000 m above msl) (ii) SF6 Gas Pressure indicator (iii) 230V AC shunt Trip coil for external trip signal (iv) Emergency Trip Push Button (v) Live cable indicating LEDs energised through capacitive voltage dividers. (vi) Padlocking facility (vii) Microprocessor based IDMT (50,50N,51,51N) relay for overcurrent, short circuit and earth fault protection. (viii) Both the incomer LBS should be with MFM (Multifunction Meter) complete range of measurement including maximum demand and shall have serial port for communication.

(b) Outgoing Breaker module should consist of following accessories : (i) 630A Vaccum Circuit Breaker module for making and breaking of fault current alongwith Earth Switch of full making capacity. (ii) The VCB should be able to clear at least 50 Nos Dead short circuit operations. (iii) Short time current - 25KA/ 1 sec. (iv) Making Capacity - 50KA. (v) Auxiliary contacts - 1NO + 1NC. (vi) Power frequency withstand voltage - 28KV. (vii) Impulse withstand voltage - 75KV. (viii) Nominal operating gas pressure - 1.4 Bar abs. (ix) Front cover mechanism - IP2X. (x) Cable covers - 3X. (xi) Stored Enegry mechanism for Motor operation- 24VDC. (xii) Cable box for front termination of the cable suitable upto 3 core 400 Sqmm, 11 KV XLPE cable. (xiii) Right angle terminal protects/ boots (push on type). (xiv) Suitable site replaceable Cable bushings. (xv) Arc proof cable covers with self Interlocking mechanism between doors, earth switch, disconnector & VCB. (xvi) Capacitive voltage indication fixed type system. (xvii) Mechanical Indications for breaker ON, OFF, EARTH, TRIP, Spring Charged-Discharged.

(c) Bus Connected PT Unit -1 No. for Metering consisting of following :- (i) Type M: Air Insulated metering module 12KV, 630A, 25KA for 1 sec. (ii) 3 Voltage Transformers of the ratio 11kV/√3 / 110 V/√3, 50 VA, Class 1.0 with HT fuses on primary side and MCB on secondary side. (iii) Microprocessor based IDMT (50,50N,51,51N) relay for overcurrent, short circuit and earth fault protection. (iv) Trafu Card for transformer auxiliary protection (WTI/OTI/Buchholz). (v) 01 LED Illumination. (vi) 01 Space Heater with thermostat. (vii) Each RYB phase indications for 2 incomers and one outgoing. (viii) 01 Cable support bus bars, standard for 3 way unit, 1-manometer & 1 operating handle. (ix) 01 set Bushings for external busbar connection along with Busbar cover & Sleeved busbars for coupling.

(d) 2x12 V Battery with battery charger with suitable burden for motor operation. Input 230 V AC & Output 24 V DC. Battery. (i) Capacitive voltage indication fixed type VPIS 9-15 KV. (ii) Necessay interclocking arrangement for safety and operations. (iii) One No. Operationg Handle for Manual Operation. (iv) One No. Manometer. (v) Safety Interlocks Shall be provided as per relevant IEC/IS Standards and Manufacturers directions. (vi) Above switchgear shall confirm to all relevant IEC/IS Standards. (vii) Manual operation of Vacuum Circuit Breaker should be possible without dismantling the motor from RMU. The motor should be fitted in such a way that it should not be outside front covers of RMU. (viii) Coupling of RMU and Metering module should be with the help of Bolted type arrangement, so that the coupling at site shall be easy. Plug-in type bushing shall not be acceptable. (ix) Cable bushing should be replaceable at site. (x) Minimum 3 module should accommodate in one tank to avoid multiple coupling at site. (xi) RMU shall be fully motorized and shall have manual operation as well. RMU shall be provided with battery and battery charger rated for 24 V DC for motorisation. (xii) RMU shall be provided with protection and metering CTs Minimum ratio for protection and metering CT shall be **/1,5P10, 2.5VA. (xiii) All circuit breaker feeders shall be self powered and shall be provided with OC+EF protection for transformer and shall have serial port for communication on modbus protocol. (xiv) RMU cable box shall be front accesible type to have easy access to protection and metering CTs. Vaccum Interupter should be of same make. Cable box should be arc proof with bolted door and interlocked with respective earthing switchs. Doors should be removable for the ease aceess to terminate cables. Note : RMU manufacture shall have in house NABL accredited testing lab and all test certificate to be produced from the manufacturer.

Supply, install, testing and commissioning AC, 3 phase, 50 Hz, 250 KVA capacity transformer copper wounded step-down outdoor type 11000/433 volts (at no load) double wound oil immersed naturally cooled with external cooling tubes, core type delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector symbol DY-11 (Vector group with neutral brought on secondary side (LV side) and having tapping at +/-2.5%, +/-5.0% and +/-7.5% to be changed by means of hand operated off load tap changing gear. The maximum centigrade in HV/ LV widening when measured by resistance method after continuous full load run in ambient temp of 40 degree C and the transformer shall be confirming to IS-1180 2014, level-2 BIS mark including first filling of fresh transformer oil conforming to relevant IS tested not less than 60 KV dielectric strength at 2.5mm gap and comprising with the following standard fitting/ accessories. (a) One cable box on LT side (Secondary side) consisting of four Nos porcelain with copper bushing rods complete with nuts and washers with one No cable glands suitable for reception of taking out 01 No 3.5 core, LT 1100 Volts grade, PVC sheathed and PVC insulated heaving duty armoured cable including gland joint and jointing materials complete. (b) Oil conservator with filter type drain valve and oil level gauge. (c) Dehydrating breather with first fill dehydrating agent (Silica Gel). (d) Explosive vent. (e) Thermometer pocket on tank cover. (f) One cable box on HT side with cover. (g) All other standards accessories as specified in relevant IS. Note :- The cost is included in rate quoted by the tenderer. (a) Pre-commissioning test shall be carried out by rep of AO or SEI from HQ CEWC within overall cost quoted.

Supply, laying, jointing and testing XLPE insulated, armoured, electric cables (heavy duty) with aluminium conductor, 1100 volts grade, cross section area 300 Sqmm 3.5 core confirming to IS : 7098-1985 laid in trenches, in floor, in duct, through pipes or along the pole complete all as specified and directed.

Supply, laying, jointing and testing XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts grade, cross section area 95 Sqmm 3 core confirming to IS : 7098-1985 laid in trenches, in floor, in duct, through pipes or along the pole complete all as specified. Note : Excavation, earth work and sand cushioning, PCC protection cover, GI pipe & protection clamps shall be measured and paid for separately.

Supply anf fixing cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold 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.

Material and labour for air break gang operated switch outdoor type HT 11000 Volts triple poles 400 Amps with fixed contacts of phosphorus bronze and moving contacts of copper with mechanically operated from ground level vertical mounted complete with HT insulator on steel frame, operating rod made out of 25 mm GI pipe medium grade worked from ground level with handle and locking arrangement with 12 insulators with drop out expulsion type fuse of capacity including painting steel surfaces with two coats of aluminium paint over a coat of red oxide primer and making connection complete all as per specified and directed. Note :- (a) Original test certificate of manufacturer shall be produced, without which no payment shall be made. (b) Clamps, cross arms shall be measured and paid for separately.

Material and labour for earthing complete with galvanized steel plate elecrode of size 60cm x 60cm x 6.0 mm thick burried directly in ground vertically to a depth not less than 2.5 mtr below the ground level with top edge of earth plate at a depth not less than 1.5 mtr below normal ground level, connected with and including GI strip 32mm x 6mm with & including GI pipe 50mm bore medium grade as protection pipe (upto the body of equipment max 7.50 meter) by means of GI and thimbles, earth plate surrounded packed layers of coal dust and common salt 15cm thick, all around top and bottom and watering pipe 20mm bore of GI pipe light grade with funnel and wire mesh complete all as shown in Electrical plate No. 3 of SSR Part-I (2009), testing on completion including PCC chamber (1:3:6) using 20mm graded stone aggregate and RCC M-25 cover and angle iron frame complete all as specified. Note :- (i) The cost of GI strip/ wire from top of earth plate upto 5.00 meter above GL with GI protection pipe shall be deemed to be included in unit rate. (ii) PCC pit shall be provided at least 0.50 meters away from the earth pit and not just on the earth pit and extra cost of additional length of water pipes and fittings, junction elbow etc. shall be deemed to be included in the unit rate. (iii) In case the testing result of earthing work not found satisfactory, the contractor shall have to carry out earthwork at new location and nothing extra shall be admissible on this account. (iv) The earthing work shall be carried out in presence of MES representative detailed by Engr-in-Charge.

Material and labour for earthing complete with galvanized steel plate elecrode of size 60cm x 60cm x 6.0mm thick burried directly in ground vertically to a depth not less than 2.5 mtr below the ground level with top edge of earth plate at a depth not less than 1.5 mtr below ground level, earth plate surrounded by 15cm thick and packed with alternative layers of charcoal dust and comman salt, earth lead GI wire of 4mm dia (8 SWG) connected to GI earth plate electrode by means of bolts, nuts, check nuts and washers of galvanised iron with thimbles and other end of GI earth wire connected to main switch board and protected by light grade GI pipe of 15 mm bore and GI pipe 20mm bore light grade with funnel and wire mesh for watering including necessary excavation and earth works. PCC Chamber in cement concrete (1:3:6) type C-2 % RCC cover in M-20 (Design mix) and all as shown in Electrical Plate No. 3 of MES standard Schedule of Rate (Part-I) of 2009 complete all as specified and directed. Note :- (i) The cost of GI strip/ wire from top of earth plate upto 5.00 meter above GL with GI protection pipe shall be deemed to be included in unit rate. (ii) PCC pit shall be provided at least 0.50 meters away from the earth pit and not just on the earth pit and extra cost of additional length of water pipes and fittings, junction elbow etc. shall be deemed to be included in the unit rate. (iii) In case the testing result of earthing work not found satisfactory, the contractor shall have to carry out earthwork at new location and nothing extra shall be admissible on this account. (iv) The earthing work shall be carried out in presence of MES representative detailed by Engr-in-Charge.

M&L for Boring of holes of size 200mm dia x 3 to 5 mtrs under road, pavement, hard standing for laying pipe for crossing cable including getting out, disposal of rubbish off to a distance upto 50 Mtrs, for laying of GI pipe 40mm dia to 150mm complete all as specified and directed.

Excavation in trenches in soft/loose soil not exceeding 1.5 metre wide and not exceeding 1.5 metre deep, not exc. 10 Sqm on plan and getting out complete all as specified.

M&L Dry and clean fine sand for cable cushioning to underground cable protection, complete all as specified. (Excavation and earth work measured separately).Note- Punned down thickness shall be measured.

M&L cover to underground cable with one layer of bricks using sub class ‘B’ bricks (old size) laid flat across the cable complete all as specified. (Excavation and earth work measured separately).

Supplying and laying reinforced pre-cast concrete cable cover, factory made class HV, type 1, flat, ISI marked, size 300mm x 180mm x 40mm, laid flat in trenches for protection of cable complete all as specified and directed.

Returning, filling in, earth including spreading, leveling watering and well ramming in layer each not exceeding 25cm thick, complete all as specified.

Removal of surplus soil to a distance not exc 50 metre and depositing where directed at a level not exc 1.5 metre above the starting point complete all as specified.

M&L for cutting of existing GI tubing 80mm dia for making new conncetion, inserting un equal Tee 80X80X50mm dia including excavation, returning filling complete and all as directed and specified.

Supply, laying, jointing and testing steel water tubing galvanised, 50mm bore, medium grade, ISI marked with necessary fittings such as tees, elbows, bends, reducers, unions etc. laid in trenches complete all as specified.

Supply, laying, jointing and testing steel water tubing galvanised, 25mm bore, medium grade, ISI marked with necessary fittings such as tees, elbows, bends, reducers, unions etc. laid in trenches complete all as specified.

Supply and fixing Gun-metal globe or gate valves, with iron wheel head, screwed both ends for iron pipe of size 50mm dia and fixed complete all as specified and directed.

Supply and fixing Gun-metal globe or gate valves, with iron wheel head, screwed both ends for iron pipe of size 25mm dia and fixed complete all as specified and directed.

Material and labour for construction of brick masonry valve pit of size 900 x 900 x 900mm (internal size) with mild steel sheet cover 6mm thick and frame of angle iron of size 40x40x6mm duly painted with two coats of synthetic enamel paint over a coat of red oxide primer including excavation and earth work, 150mm thick PCC (1:4:8) type D-2 as in foundation, brick work in cement mortar (1:6), locking arrangement and all inner size of pit shall be plastered 15mm thick in cement mortar (1:4) and coping in PCC (1:2:4) type B-1 over brick wall complete all as specified and directed.

Harmesh Kumar Sharma and Sons

M/s Sham and Company

Bidder Name

RAJINDRA AIR CONDITINOR FABRICATORS