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| 1 | 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 |
| 2 | (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. |
| 3 | Supply, installation, commissioning and testing of Silent Diesel Engine Generating Set comprising of diesel engineliquid- cooled (latest IS and CPCB- Norms ) & alternator, of output capacity not less than 160KVA at site (DG Set to be installed at HAA 950m above MSL and capacity of DG set shall be selected, so as to deliver 160 KVA in all adverse conditions) 3 phase, 4 wire,415 V, 50 Hz., 0.8pfat 1500 RPM, with control panel having all necessary switch gears for automatic starting on main failure (AMF Panel), both coupled and aligned on a common base frame complete with standard accessories like MS Fueltank (having the minimum fuel capacity for running of DG set continously for 12 hours), AVM Pads fitted on base frame, Control Panel with digital measurement devices, alongwith accoustic enclosurewith the confirminationof latest BS/IS and complete in all respects Including lubricating oil filled in engine, DG Set Manual comprising of following complete as as specified:-Prime Mover : Prime mover suitable for driving alternator 160 KVACapacity having the suitableBHP at 1500 RPMfor rated outputfor alternatorin accordance with latestBS/ISSpecificationwith electricstartingdevicewith all standardfittingsand suitable capacity of lead acid maintenance freebattery of 12 Volts as per manufracturer -01 noswith Battery andCharger Engine over speed safety mechanismshall be incorporated. The engine shall be equipped with standard fittings as per manufacture\"srecommendations. |
| 4 | Engine Control Panel : (a) All relevantparameters shall beconventionallydisplayed on complete panel thereby providingeasy monitoringof lub oil, pressure, Coolant Temperature, Battery charging, Ammeter, RPM, Hour meter and starting switch etc. (b) AMF Panel with Bye Pass arrangement for Mainand 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 permanufacturer recommendation and CPRI Approved & as per relevant IS.Fuel Tank: Fuel Tankof 12 hours capacity will be installed as per the manufacturer\"srequirementincludingall necessarypipe connections fromfuel tank to engineand over flow from engineto tank. |
| 5 | 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 setalong 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 offoundation and necessary civil works as per the manufacturer\"s recommendations/site requirement shall be incuded in the unit rate quoted by the contractor. |
| 6 | Supply, installationcommissioning andtesting 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 platformsuitable fortransformer 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. |
| 7 | Supply and fixingof 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. |
| 8 | 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). |
| 9 | 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). |
| 10 | 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). |
| 11 | 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. |
| 12 | 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). |
| 13 | S&Fcross 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 asspecified and directed. |
| 14 | 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. |
| 15 | 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. |
| 16 | Returning filling in soil including spreading leveling watering and well rammimg in layer n exc 25 cm complete all as specified and directed |
| 17 | Removing excavated soil not exc50m & depositing where directed at a level not exc 1.5m above the starting point all as specified and directed |
| 18 | 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. |
| 19 | 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. |
| 20 | Supply and fixingof 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. |
| 21 | Earthing complete with galvanised steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground (earth pit notless 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. |
| 22 | Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground (earth pit not less than 2.25 metre deep below normal ground level) with top edge of plate not less than 1.5 metre below ground level, connecting to galvanised iron strip 32X 6 mm (as earth lead wire), by means of bolt, nuts, check nuts and washer of galvanised and earth wire protected by provision of galvanised iron pipe light grade, 15mm bore including provn of concrete pit in PCC M-15, type B-I using 20mm graded crushed stone aggregates with 40mm thick precast cover of size 550 mm X 550 mm X 75 mm of RCC M-15, type B-I, reinforced with XPM (weight not less than 4 kg/ Sqm) and frame of angle iron 25x25x3mm with lugs 2 Nos and with 6mm dia mild steel bar handle made to shape, galvanised iron medium grade 20mm bore pipe for watering perforated at bottom 1.75 metre long placed on top edge of earth plate, common salt and charcoal filling, test point made out of phosphorous bronze with fixingarrangement, funnel, wire mesh and including earth work in any type of soil, returning filling in and removal of surplus soil to a distance not exceeding 50 metre, all as per electricalplate No. 3 of SSR 2009 Part-I and connection to earth test point all as specified and testing on completion. |
| 23 | Supply, fixing, testing & commissioning of LT weather proof panel board powder coated, outdoor type, double door shutter, made out of CRCA sheet 3 mm thickouter and 1.6 mm thick for inner door, confirming to IS 8623 with angle iron 50x50x6 mm, outdoor, floor mounting type with closed bus bar chamber and with Aluminiumbus barwith necessary insulator suitable for 3 phase, 4 wire 50 Hz AC supplyas per CPRI approved including provn of digital ammeter 0-200A,digital voltmeter 0-500 Volts, CT\"s of suitable ratio,indicator lamps R-Y-B,selector switches and internal wiring including PCC work, 0.6 Mtr above ground level, grouting etc including provision of suitable size of cable glands, cable lugs,nut, bolts,washers etc. (The bottom portion of enclosure shall be minimum 60 cm above ground level of legs of angle iron), comprising of the followings:- INCMERa) MCCB 4 pole 35 KA, 315 Amps- 1 Nos(I/C) OUTGOINGa) MCCB 4 pole 35KA, 200 Amps - 01 Nosb) MCCB 4 pole25 KA, 100Amps - 01 Nos c) Aluminium bus bar capacity 400 Amps for Phase-R-Y-B-3 Nos & 250 Amps for neutral -1 No(d) Digital Ammeter flush pattern type square dial 96 x 96 mm alongwith selector switch - 01 No and suitable CT ratio 0-200 Amps.e) Digital voltmeter flush pattern type square dial96x 96 mmalongwith selector switch 01 no 500 V(f) complete control panel wiring withstranded copper conductor of suitable size along with one set indicator lamp for R,Y & B for each incoming and outgoing feeder. |
| 24 | S&Fon load change over switch 415 volt in sheet metal enclosure 4 pole of capacity200 amps complete all as specified and as directed. |
| 25 | 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 |
| 26 | PCC 1:4:8 type D-2using 40mm graded crushed stone aggregate as in foundation of poles etc including necessary form work, complete all as specified& directed. |
| 27 | 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. |
