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| 1 | Supply, installation, testing and commissioning of double wound copper transformer of capacity 1000 KVA, step down, outdoor type complete with standard fittings, primary voltage of HT 11000 Volts and secondary LT 433 volts, 3 Phase 4 wire with frequency 50 Cycles/sec. Provided with 07 Nos of off load tapings on HT side to vary secondary voltage within range of +5% to - 15% (in steps of 2.5%), star delta connections with vector group of Dyn 11, Impedance of 4.5% and including first filling of transformer oil as per IS:335 and colour coating with one coat of primer and two coats of BS grey colour. Losses all as per IS:1180 (Level - II) with all standard accessories required fpr proper functioning of transformer including the following: - |
| 2 | (a) Rating and Terminal marking plate - one(b) Earthing Terminal - Two(c) Lifting Lugs - Two(d) Drain valve with Blanking plate - One(e) Filter Valve with blanking plate - One(f) Conservator - One(g) Oil Level indicator with minimum marking(h) Dehydrating breather - One(j) Air Release devise - One(k) Thermometer Pocket - One(l) Pressure relief valve - One(m) Roller unidirectional - Four(n) Both side (HV and LV) cable Box(o) Separate Brought out Neutral Terminal (p) Off Circuit Tap Changer(q) stem type Thermometer |
| 3 | Note: Commissioning of the transformer to be done by SEI/EI as detailed by the rep of Accepting Officer. Contractor should intimate one month in advance for commissioning of the same. Necessary arrangement for testing to be done by the contractor. Rates for the same deemed to be included in the quoted rate. |
| 4 | Civil Work: All civil works including RCC / PCC platform 1:3:6 type C2 and related to foundations including making good if existing structure of disturbed during installation and commissioning of transformer. The depth of the foundation shall be minimum 300mm as recommended by the manufacturer. Any civil work including miscellaneous work not covered under the scope of the work but required for satisfactory completion of job deemed to be inclusive in the unit quoted rate. |
| 5 | Supply, installation, testing & commissioning of silent Diesel Engine driven generating set 1010 KVA / 808 KW, 415 volts,3 phase 0.8 power factor 50Hz, 1500 RPM, Liquid Cooled, complete with all connected accessories in all respects for commissioning of the DG Set with CPCB approved. Acoustic enclosure IP 23, self excitedself regulated brushless AC generator installed including acoustic enclosure suitable for ambient condition at Hyderabad including AMF panel and confirming to condition under IS 4722 / 1460, BS 5514 / 2613 / 5000 ISO 8526 / 3046 with the following: - |
| 6 | Alternator: Standard design alternator, Power Rating 1010 KVA / 808 KW, net output at site after considering rerating as per site conditions 3 phase 4 wire, 415 volts, 50 Hz, power factor 0.8 (lagging) current 1400 Amps, net output at site after considering rerating for per site conditions at 0.8 (lagging) power factor, self excited, self regulated, screen protected drip proof IP 23 enclosure brushless design, insulation class \"H\" and automatic voltage regulation of +1% at rated voltage from no load to full load. The permissible overload should be 10% for one hour in 12 hours of duration. The alternator shall be conforming to BS 2613 / 5000 / IS 4722. The alternator shall be in position to generate supply with frequency regulation within +1% tolerance. |
| 7 | The alternator will be suitable for Hyderabad climate and shall generally confirm to BS-2613 / 5000 / IS-4722.Diesel Engine: Adequate capacity Diesel Engine capable of 1010 KVA coupled with alternator and after considering rerating as per site conditions and power consumed by accessories. The engine shall be directly coupled through closed coupling, turbocharged after cooled, 12 cylinder, multi stroke direct injection, cold starting and shall confirm ISO-3046 / BS-5514 with an overload capacity of 10% for one hour in 12 hours continuous operation. The engine shall be electric start and shall be suitable for battery assisted manual / auto starting. The governing system of the engine shall be electric type and suitable to frequency variation within +1% in case of load is switch on or thrown off. |
| 8 | (i) Turbo charger, pulse tuned exhaust manifold.(ii) Cooling System: Mounted radiator with fan and belts & guard, corrosion inhibitor coolant etc.(iii) Silencer: Residential type.(iv) Exhaust System: Exhaust system complete with flexible stainless steel piping of suitable dia of height above the adjacent building (approx 15 mtr) of 3.5Mtrs or CPCB norms with necessary stack arrangement with steel necessary supports and proper insulation complete for safe exhaust without transforming vibration to the wall of the enclosure. Drawing of Exhaust system should be submitted by contractor vetted by authorised OEM for approval. Rate of steel structure along with piping are included in quoted rate. |
| 9 | 1. M.S Standalone Structural for Exhaust using ISA / ISMC for 15 Meter stack height with SS flexible bellows. Supports shall be duly cleaned with brush followed by one coat of primer and two coats of synthetic enamel paint / aluminium paint. Dia 12\" / 300mm or OEM standard, MS ERW B class pipe shall be duly cleaned with wire brush and coated with 01 coat of primer & 02 coats of heat resistant paint. Exhaust pipe thermal insulation and cladding for 12\" dia pipe or OEM standard, using Rockwool Insulation of density 64Kg/m3 with 50mm thick bound with GI chicken wire mesh & cladding using 24 SWG aluminium sheet.2. Thermal Insulation and cladding of Silencers, using Rockwool Insulation of density 64Kg/m3 with 50mm thick bound with GI chicken wire mesh & cladding using 24 SWG aluminium sheet. |
| 10 | (v) Starting System: Electric Self Starter with maintenance free batteries including battery charging alternative belt driven.(vi) Fuel injection system with fuel injectors, filters, houses, fuel injection solenoid switch and nozzles.(vii) Fuel tank of adequate capacity: As per OEM norms and specifications designed for above capacity of DG Set.(viii) Lub oil pump, filter and cooler.(ix) Intake system: Air intake manifold with dry type air filters.(x) Engine and alternator shall be mounted on common base frame with AVM pads.(xi) Mounted micro processor based control panel having standard features and display engine and electrical parameters.(xii) The engine supplied with first filling of oil of required quantity as recommended by OEM.(xiii) All deliverable shall be confirmed the norms established by CPCB. |
| 11 | AMF Panel: Auto Main Failure (AMF) panel out door type made out 3.15mm CRCA sheet weather proof powder coated conforming to IS 8623 & IP-54 totally enclosed dust and vermin proof with front and rear openings of 415 Volts, 3 phase, 4 wire AC 50 Hz having aluminium bus bar of capacity required to carry current at 110% load of 1010 KVA DG set with three phase and full neutral colour coded prewired with copper flexible cable. AMF panel shall house adequate capacity contactors for smooth transfer of load between mains and DG set. Panel shall be operated with three modes of operation.(i) Auto(ii) Manual(iii) Test |
| 12 | Contactor of suitable capacity 3 pole with required Nos. as per OEM, TP contactor for neutral for both supplies.Suitable capacity of ACB, 4 Pole, 1600Amps, 50KA, manual draw out type -02 Nos, for both the supplies, Push buttons, Indication lamps2 over load + earth leakage relayMulti functional digital meter for KWH, KVA, KW, Amps, Volts, frequency, power factor etc.SMPS battery charge 12V with trickle and boost charging.ON / OFF switch.Automatic / Manual switch.Hooter.Voltage sensing relay.Six window annunciator for fault indications. |
| 13 | Acoustic Enclosure: Enclosure is free standing floor mounted factory built and modular in construction to facilitate easy assembly at work site and will be drop over housing type. It will consist of acoustically treated panel housed in sheet metal will provide easy access for maintenance, repairs and operation. The enclosure is custom to suit conditions with the following features: - |
| 14 | (i) Custom built product for various equipment with ensure the optimum performance without duration.(ii) 16 SWG (1.6mm) thick CRCA sheet to be used for enclosure panel to ensure longer life against weathering action. High quality acoustic insulation materials to be used as per IS-8183 for maximum sound absorption. Acoustic layers are supported by perforated sheets.(iii) Sheet metal component of the enclosure should undergo various stages of surface treatment prior to painting which leads to be better life of the enclosure against weathering action.(iv) Special paint treatment with pure polyester powder / epoxy to be provided for better weather resistance. |
| 15 | (v) Well designed ventilation system to be provided to put out the heat from the chamber efficiently.(vi) For effective acoustic / weather sealing a special type weather sealing gaskets, new frame rubber gaskets to be used.(vii) The DG set should be provided with the external emergency stop push button and fire alarm.(viii) A see through transparent window in front of engine panel to be provided for monitoring the parameters.(ix) Working space is to be provided around the equipment for easy maintenance / repairs. |
| 16 | (x) Necessary cut out provision for entry and exit of fuel lines cable to be incorporated in the enclosure as per the requirement.(xi) See through transparent window (glass or acrylic) in front of engine panel to be provided for monitoring the operation.(xii) Ducting if required, bellows, mechanical hardware like locks, hinge, fasters etc to be provided. |
| 17 | (xiii) Deliverables 75DB @ 1 meter at 75% load under free field conditions. The temp inside the enclosure will be within limit and as per manufacturers recommendations above ambient temp.(xiv) The enclosure should be provided with bulk head light fitting for inside illumination.(xv) The exhaust pipe alongwith proper aluminium cladding shall be laid to a height of above the roof level. The rates for the same are to be included in the quoted rates.(xvi) The batteries (24 Volts, 180AH) should be placed inside the enclosure inside the DG set on a suitable insulated platform. |
| 18 | (xvii) Fuel gauge to be provided with the neck of fuel tank.(xviii) Tools as per manufacturers with the box.(xix) Invents of suitable company be manufacture.(xx) The acoustic enclosure parts shall be of powder coated after pre treatment process. |
| 19 | Civil Work: All civil works including RCC / PCC platform 1:3:6 type C2 and related to foundations including making good if existing structure of disturbed during installation and commissioning of Gen set. The depth of the foundation shall be minimum 300mm with anti vibration pads or as recommended by the manufacturer. The foundation drawing for DG set shall got be approved by Engineer-in-Charge before laying of foundation. The contractor has to obtain approval for RCC / PCC foundation for the DG set with the manufacturers. Rates shall be quoted accordingly with written certificate from the manufacturers for the same.Make: KIRLOSKAR / JACKSON / SUDHIR / GREAVES COTTON / CUMMINS INDIA. |
| 20 | 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 120 sq mm complete all as specified and directed. |
| 21 | Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 400 sqmm 3.5 core complete all as specified and directed. |
| 22 | Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation etc, or for shafts, wells, cesspits, manholes, pier holes etc, not exceeding 10 sq m on plan and not exceeding 1.5 m in depth and getting out complete all as specified and directed. |
| 23 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick in soils complete all as specified and directed. |
| 24 | Removing excavated material (soils) not exceeding 50m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed. |
| 25 | M&L for filling approved river sand in trenches for sand cushioning of laying of cables to the full width of excavated trench 8 cm thick before laying the cable and 15 cm above the cable, gently punned down, stretching and testing of cable on transformer yard etc complete all as specified and directed.Note: Thickness of sand cushion after punning down shall be measured as 18cm for payment purpose. |
| 26 | Supply and Lay un-reinforced precast concrete cable covers, class HV, type-I, flat of size 300mm x 180mm x 40mm laid across in trenches for cable protection complete all as specified and directed. |
| 27 | Supply and Lay un-reinforced precast concrete cable covers, class LV, type-I, flat of size 250mm x 150mm x 40mm laid across in trenches for cable protection complete all as specified and directed. |
| 28 | Supplying and making indoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for 120 Sqmm 3 core, XLPE aluminium conductor cable of 11 KV grade complete all as specified and directed. |
| 29 | Supplying and making outdoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for 120 Sqmm 3 core, XLPE aluminium conductor cable of 11 KV grade complete all as specified and directed. |
| 30 | Earthing with G.I earth plate 600 mm x 600 mm x 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal / coke and salt as required complete all as specified and directed. |
| 31 | Providing and fixing 25 mm x 5 mm G.I strip on surface or in recess for connections as required complete all as specified and directed. |
| 32 | Earthing with copper earth plate 600 mm x 600 mm x 3 mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long with charcoal / coke and salt as required complete all as specified and directed. |
| 33 | Providing and fixing 25 mm x 5 mm copper strip on surface or in recess for connections as required complete all as specified and directed. |
| 34 | Cutting of existing bituminous / PCC road or flooring / plinth protection for laying of GI pipe in road intersection for passing of HT XLPE cable including excavation in any type of soil, returning and filling in and making good top 30cm of the trench by providing PCC 1:2:4 type B1 using 20mm graded stone aggregate to flush with existing road surface complete all as specified and directed. |
| 35 | S&F, 100mm dia GI pipe light grade fixed to walls / poles or laid in trenches, road crossing etc., for protection of underground cable / earth strip including sealing ends with hessian cloth impregnated with bituminous compound in ground and with teak wood bushes for ends fixed on walls / poles complete all as specified and directed. |
| 36 | Supply, install, testing & commissioning, factory made and tested, approved LT panel board indoor type, weather, dust and vermin proof, free standing floor / pedestal mounting type suitable for 440Volts, 3 Phase 4 wire 50Hz AC supply system, conforming to IS, IP-54 class protection and made of 2mm CRCA mild steel sheet & angle iron frame, compartmentalized with rubber gasket hinged doors with necessary bus bar arrangement with electrolytic grade aluminium bus bar 2000 Amps rating for phase and neutral 4 strips with colour coded PVC sleeves, installed on epoxy insulators housed in separate bus chambers covered with heat shrinkable sleeves with necessary bus bar tapings for ACBs, copper control wiring using suitable size of PVC insulated, suitable size knock out holes for cable glands, cable gland and lugs for incoming and outgoing cable, connecting to earthing etc., with electrical interlocking with existing ACB Panel of suitable size all as specified and directed with |
| 37 | and including the following accessories: -i)ACB 4pole, 1600Amps with microprocessor based EDO settings, 50KA rupturing capacity at 415volt, conform to IEC - 60947-II / IS-13947-II -01 No (Incoming).ii)Digital Multimeter with selector switch - 01 No and 03 Nos of CT coil ratio 800:5 - 01 Set.iii)Indicator lamp R, Y, B LED type with 03 Nos. |
| 38 | M&L for cable route indicator marked with HT cable, made of GI plate 3 mm thick and 150mm dia duly marked with working voltage, size of cable and route, fixed on MS angle iron 40 x 40 x 6 mm thick with a height of 60 cm above ground level and buried in ground grouted in PCC 1:2:4, type B1 of size 200 x 200 x 200 mm, complete all as specified and directed. |
| 39 | M&L for Reinforced concrete pipes, class NP2, laid and jointed complete with collars of 200mm dia complete all as specified and directed. |
| 40 | Surface excavation not exceeding (not exceeding) 30 cm deep and averaging 15cm deep and getting out in hard / dense soil complete all as specified and directed. |
| 41 | Rough excavation not exceeding 1.5 m deep and getting out hard rock complete all as specified and directed. |
| 42 | M&L for Brick work with sub class \"B\" old size bricks straight or curved on plan exceeding 6m mean radius on plan, built in cement mortar 1:4 for man holes complete all as specified and directed. |
| 43 | M&L for 100 mm thick plain cement concrete 1:2:4 type B1 using 20 mm graded granite stone aggregate as in floors, surface channels, drains and benching finishing cement concrete even and smooth without using extra cement including necessary form work complete all as specified and directed. |
| 44 | M&L for rendering 15 mm thick in CM 1:4 on fair face of brick or concrete surfaces, finished even and smooth without using extra cement complete all as specified and directed. |
| 45 | M&L for preparing new plastered surfaces of walls and applying two coats of cement based paint over a coat of primer complete all as specified and directed. |
| 46 | Supply, spread and levelling graded coarse aggregate in loose filling over the sand of gauge 40 mm nominal size in the installation yard complete all as specified and directed. |
| 47 | S&F, mild steel angle iron fencing post and struts in fencing including necessary cutting, drilling, welding etc and bending to swan neck shape as required and drilling, holes, notching for wives etc conforming to Fe-290 Gde E-165 complete all as specified and directed. |
| 48 | Supply only, 3.15 mm dia chain link MS galvanised fencing wire and average size of mesh 100mm x 100 mm including line wires to ant type of standards rails, straining bolts etc, including provision of binding with mild steel wire annealed not less than 0.9 mm dia complete all as specified and directed. |
| 49 | Fixing only, chain link including line wires, to ant type of standards rails, straining bolts etc, including provision of binding complete all as specified and directed. |
| 50 | S&F, MS flat iron for securing bolts, post and strut in fencing including cutting drilling holes, notching for wire etc., flat iron fillet and similar work conforming to Fe 410-0 or Fe 310-0 complete all as specified and directed. |
| 51 | S&F, mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed end to be fitted with washers and one hexagonal or square nut exceeding 5 cm but not exceeding 10 cm long and dia of shank 5 to 10 mm complete all as specified and directed. |
| 52 | M&L for mild steel framed work as in gates, grills, gratings, pintel hinges, stop, hand made sliding bolts etc, with ends of bars shouldered and / or riveted or forged into spikes frames guard bars and for ornamentals and intricate design conforming to Fe 410-0 or 310-0 of angle iron of other sections complete drilled for fixing of steel sheeting or other coverings to be prepared for handing or sliding with and including either hooks and hinges of doors (exclusive of steel sheeting or other covering running rails and guides) and hanging, also fastening and fixing with one shop coat of zinc chromate paint including preparation of surfaces at contractor work shop before fabrication complete all as specified and directed. |
| 53 | S&F, steel work in tubular trusses / pole (unframed) including purlins, rafters and special shaped washers etc, complete using ERW or induction butt welded tubes confirming to IS-1161-1979 grade St-240 including painting complete all as specified and directed. |
| 54 | M&L for pre-painted galvalume aluminium zinc coating GI based corrugated steel 0.50 mm thick of an colour having tensile strength of 550 Mpa as in roof covering / cladding to wall, fixed with self tapping screws including ridge complete all as specified and directed. |
| 55 | Excavation in post holes (or similar holes) each not exceeding 0.5 cum getting out returning filling in hard / dense soil complete all as specified and directed. |