PROVN OF TRANSFORMER, DG SET, SERVO STABLIZER ALONGWITH ALLIED SERVICES FOR OXYGEN GENERATION PLANT AT 425 FD HOSPITAL UNDER GE 881 EWS

Supply, installation, testing and commissioning of Servo controlled voltage stabilizer (confirming to BIS 9815 (Part-1) 1994, reaffirmation 2019 latest version) Three phase, four wire (RYBN), 50 Hz, Naturally Oil cooled, outdoor, unbalanced type, cooper wound, metallic body duly power coated with lifting Hooks two nos, digital display type, relay free smooth and silent operation with 1st filling of Transformer oil up to level having following specification:- (a) Capacity 150 KVA (b) Type - Suitable for unbalanced load and unbalanced input (c) Input voltage -360V-480V, Input frequency 50 Hz (d) Output voltage - stabilized at any deigned/ desired voltage 415/+-1% (e) Rated frequency - 50 Hz (f) Wave form distortion - Nil (g) Response time - not to exceed 20 milli seconds (h) Sensitivity - (+/-) 1% (j) Rate of correction - Not less than 6 Volt/second between phase and neutral (k) Efficiency - more than 95% (l) Type of load - three phase, unbalanced type (m) Metering - Digital display Voltmeter/Ammeter with multi-functional meter (n) Operating temperature - For indoor use upto max ambient temp + 55°C (o) Dimmer rating - 200 Amp (p) Dimension of tanks - as per OEM design (q) Oil capacity- as per OEM design

(r) Class of insulation - Class F (s) Mode of operation Automatic/manual (t) Winding Temperature rise - Max 55°C (10°C above operating temp) (u) Transformer oil -IS 335 marked (v) Core-CRGO M4 Grade/CRNO (Cold Roll Grain Oriented)/ (Cold Rolled Non-Oriented) (w) Auto transformer (Variac) -100 percent Copper wound Electrolytic Grade (x) Losses - As per IS Norms (y) Power Factor - Not less than 0.95 (z ) Protection - (i) Over load protections (ii) Short Circuit protections (iii) High/Low voltage cut off (iv) By pass arrangement in case of Emergency (v) Single phase sequence change /phase fail protection (vi) Earth fault protection (aa) Standard Fitting & Accessories e.g Marking plate, lifting lugs, CI Rollers, Earthing Terminals, cable box including suitable platform as reqd on site complete all as as specified & directed.

Engine Control Panel : (a) All relevant parameters shall be conventionally displayed on complete panel thereby providing easy monitoring of lub oil, pressure, Coolant Temperature, Battery charging, Ammeter, RPM, Hour meter and starting switch etc. (b) AMF Panel with Bye Pass arrangement for Main and DG Both supply, internal wiring and power contactors suitable for 160 KVA generator set, all as per manufacturer's recommendation. Bye Pass arrangement Main & DG set Supply along with all the parameters and accessories as per manufacturer recommendation and CPRI Approved & as per relevant IS. Fuel Tank : Fuel Tank of 12 hours capacity will be installed as per the manufacturer's requirement including all necessary pipe connections from fuel tank to engine and over flow from engine to tank.

Engine Alternator Engine Alternator of capacity 160 KVA output 3 Phase 50 HZ 415 Volts 4 wire AC supply 0.8 Power Factor at 1500 RPM self regulated self excised screen protected and drip type, insulation class 'H' continously rated brush less type conforming to relevant BS/ IS code as per current manufacturing shedule of standard manufacturer. Engine Alternator shall be mounted on specially designed base plate of rigid welded constructions with anti vibraton pads. The DG Set shall be placed on foundation including necessary civil works as per the manufacturer's recommendations/site requirement. The output of alternator not less than 160 KVA in all adverse conditiones, as the DG set to be installed at HAA 950 m above MSL. Note:- (a) The unit rate shall deemed to include the cost of Diesel and lubrication required for testing and commissioning of DG Set as per department procedure and shall be arranged by contractor. (b) Extenssion of exhaust pipe for DG set along with standerd accessories like flange, nut bolts , asbestous rope etc. shall be provided by the contractor and the cost of the same shall be included in the unit rate quoted by contractor. (c) Cost of foundation and necessary civil works as per the manufacturer's recommendations/site requirement shall be incuded in the unit rate quoted by the contractor.

Supply, installation commissioning and testing of transformer, step down 11 KV/0.433 KVA complete, out door /indoor , copper wound of capacity 160 KVA. NOTE : The unit rate includes Construction of platform suitable for transformer of size 4m x 3m x 1.2m high (external size) from ground level and 30cm below GL, with burnt brick construction in wall and steps, XPM fencing with angle iron post including gate with locking arrangement, PCC (1:5:10) type E-2 in foundation, brickwork in cement mortar (1:4), 10mm thick rendering in cement mortar (1:4) to walls, 50mm thick PCC (1:2:4) type B-1 (using 20mm graded crushed stone aggregate) as in flooring, 40mm thick PCC (1:2:4) type B-1 on steps, painting to XPM fencing with two coats of synthetic enamel paint over a coat of red oxide primer, complete all as specified and shown in drawings. all connections and carrying out all routine tests before commissioning, complete all as specified and directed.

Supply and fixing of Lightning arrestors (set of three) metal oxide surge type (ZnO) complete with all fittings transmission class discharge capacity 65 Kilo Amps suitable for 11000 volts complete all as specified and as directed.

Supply , laying and testing XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor rating 11000 volts grade of size 95 Sqmm 3 core laid in trenches or passing through pipes/ducts or fixed to walls/poles complete all as specified. (Earth work, brick protection and sand cushioning shall be measured and paid for separately).

Supply , laying and testing XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor rating 1100 volts grade of size 95 Sqmm 3.5 core laid in trenches or passing through pipes/ducts or fixed to walls/poles complete all as specified. (Earth work, brick protection and sand cushioning shall be measured and paid for separately).

Supply , laying and testing XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor rating 1100 volts grade of size 06 Sqmm 2.0 core laid in trenches or passing through pipes/ducts or fixed to walls/poles complete all as specified. (Earth work, brick protection and sand cushioning shall be measured and paid for separately).

S&F of cable jointing kit for 11 KV (earthed) grade cable for outdoor termination heat shrinkable type joint, complete with and including jointing material and accessories suitable for 3 core XLPE armoured aluminium cable of size 50 to 95 Sqmm , also with and including connecting single thimbles etc, complete all as specified and directed.

Supplying, fixing and erecting truly to vertical position steel tubular swaged pole complete with base plate welded with pole, finial taper plug, bolt, nut and screws as specified type 410 SP-55 (11m long) including one coat of red-oxide zinc chrome primer and two coats of aluminium paint on surfaces exposed to view and making 30cm wide strips (total 5 Nos) with yellow and black paint alternately on external surface above PCC benching including numbering with black paint and painting with bituminous paint internally complete and externally for portion embedded in PCC, complete all as specified and directed (PCC, earth work shall be measured & paid separately under respective items).

S&F cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections conforming to Fe-290 Gde E-165 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 red oxide primer coat and two coat of silver paint all as specified and directed.

Excavation in trenches not exc. 1.5m wide and not exc. 1.5m deep in hard /dense soil for laying of underground cable, foundation of poles & stays etc, and getting out, complete all as specified and as directed.

Excavation in trenches exc. 1.5m wide and not exc. 3.0 m deep in hard /dense soil for laying of underground cable, foundation of poles & stays etc, and getting out, complete all as specified and as directed.

Returning filling in soil including spreading leveling watering and well rammimg in layer n exc 25 cm complete all as specified and directed

Removing excavated soil not exc 50m & depositing where directed at a level not exc 1.5m above the starting point all as specified and directed

Sand cushioning to underground cables complete all as specified in clause 19.75 of SSR Part-I laid before and after laying of cable, complete all as specified.

Sub class ‘B brick, old size, brick covering laid dry, flat, transversally along the length of cable on sand cushioning, with width equal to the length of the brick, complete all as specified and directed.

Supply and fixing of Air break gang operated switch with 12 insulators outdoor type, triple pole, mounted on 12 insulators, mechanically operated, suitable for vertical installation, single break, provided with locking arrangement, consisting of MS channel, HT post type insulator contacts of copper alloy, high pressure, heavy duty contact assembly operating rod 25mm dia GI pipe, medium grade, complete including drop out fuses conforming to IS-1818, rated voltage 11 KV and for current rating 200 Amp, complete all as specified and as directed.

Earthing complete with galvanised steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25 m below ground level) with top edge of the earth plate not less than 1.5 m below ground level, connected to GI earth wire 4mm dia by means of bolts, nuts,check nuts and washers of galvanised iron or steel all as shown in electrical plate No 3 of SSR Part-I, connected to earth test point all as specified or indicated including excavation and connected earth work in soft / loose soil, P.C.C 1:3:6 type C-1 as in pit, 20mm dia GI pipe medium grade for watering pipe, 15mm bore GI medium grade earth lead protection pipe, 50mm thick R.C.C. 1:2:4 type B-1 cover slab of earth pit reinforced with 8mm dia TMT bars @ 10cm C/C both ways and with handle made out of 10mm dia bars, funnel, strainer,charcoal and testing on completion including dismantling unserviceable earthing complete all as specified and as directed.

Earthing complete with galvanised steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25 m below ground level) with top edge of the earth plate not less than 1.5 m below ground level, connected to GI earth wire 4mm dia by means of bolts, nuts,check nuts and washers of galvanised iron or steel all as shown in electrical plate No 3 of SSR Part-I, connected to earth test point all as specified or indicated including excavation and connected earth work in soft / loose soil, P.C.C 1:3:6 type C-1 as in pit, 20mm dia GI pipe medium grade for watering pipe, 15mm bore GI medium grade earth lead protection pipe, 50mm thick R.C.C. 1:2:4 type B-1 cover slab of earth pit reinforced with 8mm dia TMT bars @ 10cm C/C both ways and with handle made out of 10mm dia bars, funnel, strainer,charcoal and testing on completion including dismantling unserviceable earthing complete all as specified and as directed.

S&F on load change over switch 415 volt in sheet metal enclosure 4 pole of capacity 200 amps complete all as specified and as directed.

PCC 1:3:6 (nominal mix) type C-2 using 40mm graded crushed stone aggregates, as in foundation filling and mass concrete for poles and stay/installation paths complete all as specified and direct

PCC 1:4:8 type D-2 using 40mm graded crushed stone aggregate as in foundation of poles etc including necessary form work, complete all as specified & directed.

PCC 1:2:4 (nominal mix) type B1 using 20mm graded crushed stone aggregate, as in coping of poles and the like complete including weathering, slightly rounded or chamfered angles and throating all as specified and directed.