POST DEVELOPMENT WORKS

Amount

Supply, installation, testing and commissioning of 630 KVA step down transformer out door type complete with standard fittings and accessories, HT 11 KV 3 Phase, LT 433 Volt, 3 Phase 4 wire with off load tap changer on primary side to carry secondary voltage tapping range + 7.5% with tappings at every steps 2.5 % all as per IS 1180 Part-I (2014 , With Latest Amendment No 1, 2, 3 & 4 of Energy Efficiency Level -2) Level-2, for Transformer manufacturing of capacity 630 KVA, copper wound, oil cooling with fins vector group : DYn 11, including initial oil filling (oil confirming to IS 335 and ISI Mark) complete all as specified including the following accessories :- (a) Three Nos porcelain bushing HT 11 KV with brass bushing rods, nuts, bolts & washers etc inside cable end box. (b) One cable box LV side consisting of 4 Nos porcelain with brass bushing rods complete with nut`s and washers suitable for runs of 3.5 core LT UG cable with suitable arrangement to fix 400 Sqmm XLPE Single core cable, 2 runs per phase. (c) Oil conservator with filler type drain valve and oil level gauge. (d) Dehydrating breather with first fill of dehydrating agent.

(e) Explosion vents. (f) Thermometer pocket on tank cover. (g) One No 100mm dia, dial type thermometer vapour pressure type having range 0 to 120 degree centigrade. (h) Rating plate and terminal marking plate. (j) Earthing arrangement. (k) Oil level gauge. (l) Oil drain filter valve. (m) Oil drain valve. (n) Lifting hook and danger Notice plate. (o) Oil conservator with filling hole and cap. (p) Air relief valve plug. (q) WTI and OTI. (r) Buccholz Relay (s) Four plate solid cast steel detachable rollers. (t) Earth bushing for neutral outside the cable box for providing independent earthing for neutral. (u) Necessary channel on foundation for fixing the transformer with joint and stopper. (v) Transformer drawing shall be got approved from Engineer-in-charge before placing of order. Note :- The transformer should be energy efficiency level-2 and energy conservation (Energy conservation Binary Corps) for which necessary test certificate to be produced by contractor from manufacturer of the transformer.

SITC of high voltage switchgear for indoor installation 11 KV 3 Phase 50 Hz as supply, 350 MVA breaking capacity, metal clad draw out type, vacuum circuit, over current, earth fault protection, master really and auxiliary realy for transformer protection, PT, CTR operated ammeter, voltmeter indicating lamp etc as per IS; 13118 amended up to date etc as required. ( 1 No incoming and 3 nos outgoing)

SITC of cubical type sectionalized LT panel, metal cist of CRCA sheet steel, powder coat painted suitable for 415 volt 3 phase, 50 Hz AC supply with incomer draw type ABC, ACB Bus coupler outgoing SFU/MCCB/ACB, insulated Bus bar system, interconnection, suitable cable alley, arrangement for cable terminations, earthing, Ammeters, Voltmeter, Phase indicating lamps etc, suitable for 50 KA breaking capacity.

Supplying and laying standard Compact Aluminium Conductor, Conductor Screened with Extruded Semi Conduction compound, XLPE insulated , insulation screened with Extruded Semi-conduction compound in combination with copper tape (0.3 KA for one set, Cores laid UP, inner sheath of PVC tape, Galvanised steel flat strip armoured and over all PVC sheathed cable conforming to IS; 7098/II/85 with latest amendments

3x120 sq.mm

Supply and laying of aluminum conductor, armoured, XLPE insulated , PVC inner sheathed power cable 1.1 KV Grade conforming to I ; 1554

3.5 x 300 Sq.mm

3.5 x 70 Sq.mm

4 x 16 Sq.mm

Earthing with copper earth plate 600 mm x 600 mm x 3 mm thick including accessories and providing masonar enclosure with cover plate having locking arrangement and watering pipe with charcoal or coke and salt etc as required.

Providing & fixing 25 mm x 5 mm copper strip on surface or in recess for connections etc. as required..

Providing and fixing 25mm x 5 mm copper strip in 40 mm dia G.I pipe from earth electrode including connection with barss nut, bolt spring washer excavation and re-filling etc, as required.

SITC(Supply , installation, testing and commissioning) of Silent/containerzed diesel engine driven generating set complete to give an output of 62.5 KVA AC 415 Volts, 50 Cycles per second, 3 phase 4 wire supply with power factor 0.8, 1500 RPM diesel engine and alternator mounted on common base plate, anti vibration rubber mounting pad (AVM Pads "B" series) complete in all respect with and including accessories and components as specified below including sound proof integral accoustic enclosure for 62.5 KVA Gen Sets ECO friendly and as per Ministry of Environment, forests notification 17 May 2002 complete including, emergency stop button, illumination inside canopy, Temperature sensor for high temp safety, exhaust fan etc complete as per IS 4722, AMF type with relay panel for automatic starting on mains failure. (a) Diesel Driven Engine (Prime mover):- Multi cylinder, vertical/horizontal, 4 stroke cycle, suitable for 62.5 KVA alternator, water cooled conforming to BSS- 649 rated for continuous running diesel engine suitable to FF matching BHP at 1500 RPM as per latest ISS/BSS, capable of taking 10% over load for any one hour in any 06 hour running, complete with and canapoy thickness minimum 3.00 mm including following accessories:- (i) Fuel filter (ii) Governor ( Electronic) (iii) Complete battery set with lead & lugs as recommended by manufacturer. (iv) Lubricant oil cooler (v) Lubricant oil pump. (vi) Lubricant oil filter (vii)Digital oil pressure gauge

(viii) Any other parts as prescribed by manufacturer for its good functional performance. (ix) Battery charging alternator suitable for charging Batteries. (x) Dry type air filter (xi) MS channel fabricated frame rigidly welded suitable for receiving the diesel engine and alternator and anti vibration pads. (xii) Coupling guard. (xiii) Exhaust pipe fully extended to exhaust gases outside the acoustic enclosure including silencer and necessary insulation lagging all as per manufacturer's recommendations. (xiv) Fuel tank of MS sheet and of capacity for 12 hours running on full load with inlet and outlet connection, filling cap, drain valve, air vent with caliberated scale on outer surface, floor mounted with suitable angle iron supports. (xv) Digital type RPM meter with hour meter. (xvi)Self starter of suitable size (xvii) Turbo charger (xviii) In line mono block (xix)Fuel pump (xx)Digital type Coolant temp gauge. (xxi)Self starter with auto electric start accessories (xxii) Engine safety low lubricant oil pressure and high coolant temperature. (xxii) Test certificate. (b) Alternator:- 62.5 KVA at 0.8 PF self excited self regulated with fast response thyristor type, 3 phase 50 Hz 415 Volts, 1500 RPM 4 wire alternator, screen protected drip proof free from commutation problem, continuous rating confirming to IS-13364(Part-2) complete with automatic voltage regulator output voltage regulated between + 1% of set volts from no load to full load.

(xiv) Battery charger suitable to charge the battery of 12 V/24 Volt DC with buck/ boost system - 01 No (e) Supply & install of Acoustic Enclosure suitable for 62.5 KVA DG set as under (i) Fabricated out of CRCA sheet of of minimum thickness 3.15mm. Polyster based powder coated internaly and externaly with lockable type door handle. All nuts and handles shall be zinc coated. (ii)The doors are gasketed with EPDM gaskets. (iii) Sound proofing with high quality rock wool/ mineral wool confirming to IS 8183 of 50mm thickness and density at 96 Kg/M3 covered with fiber glass cloth and perforated powder coated sheet specialy designed allenuators (Sound controller) at air entry and exit of the container noice level shall be not exceed 75 Db at 1 meter distance as per CPCB/Government of India Norms. iv) Adequate ventilation to meet air requirement for combustion and heat removal with provn of a blower. v) Emergency stop push button outside the container. vi) Provn of light inside the canopy i.e. providing LED light fitting 1 x10 Watt with wiring and control switch. (f) MOUNTING ARRANGEMENT- Prime mover and alternator shall be mounted on skid mounting type base frame fabricated from ISMC channel or in sheet metal providing common bed for engine and alternator directly coupled together the base frame has provision for grouting on foundation bolt as well as fixing on vibration mounts provision is made in base frame for tilting arrangement of DG set as recommended by manufacturer. The base frame shall have provision of lifting hook for convenient lifting of complete set ie along the canopy engine and alternator. (g) cost of constr of PCC plinth of DG Set as per manufuacture design and recommendation deemed to be included in this item.

SITC of submersible pump set for drinking water having high grade bronze impeller dynamically balanced stainless steel shaft with non return valve of suitable HP (not less than 33 HP) submersible motor with non aging water proof insulation to run on 3 phase 415 volts, 50 HZ supply capable of delivering 50000 LPH against the head of 48 mtrs to 92 mtrs etc compete as required.

Supply and laying of 100 mm dia column pipe, suitable size submersible cable, wire rope & valves etc .as required.

Supply and erection of 7 Mtr. Galvanised octagonal pole with base plate 220 x 220 x 12 mm, top 70 mm and bottom 130 mm made up of 3 mm thick sheet suitable for max. wind speed minimum 160km/hr. including foundation bolts and G.I pipe B Class for incoming and outgoing cables and making foundation with cement concrete 1:2:4 of size 550 mm x 550 mm x 1500 mm, GI base plate, GI anchor plate etc. as required. The pole shell be supplied with a junction/looping box complete with 10 amps, 10 KA DP MCB 4 Nos. Screw less DIN mounting connector suitable for 16/25 sq.mm terminations complete with DIN bar, Shorting links, end locks etc. as required and 3x2.5 Sq.mm PVC insulated and PVC sheathed multistrand copper conductor power cable form junction box to the luminaire complete including terminations with copper lugs etc. as required. Octagonal pole should have foor of approximate 500 mm length at the elevation of 500 mm form the base plate.

Supply and fixing of following sizes of hot dipped galvanised bracket made out of minimum 3 mm thick sheet suitable for octagonal pole including fixing etc. as required : Single arm bracket of 1.0 mtr. Long

S&F LED security light fitting, 100 watts, 230 volts, 50Hz Ac supply, with high power, unique peanut lens for uniform light distribution and high efficiency long life LEDs with built-in electronic driver, unique peanut lens to ensure uniform distribution completely housed including suitable down rod and fixed on walls complete all as specified and as directed.

Note : (i) All Local Body Approvals required for the execution and completion of said work including electrical connection, Testing/Commissioning of electrical equipments from State Electrical Inspector/Authority, if applicable and other applicable permissions shall be responsibility of the Contractor and all the charges towards the permissions shall be borne by the contractor. Nothing extra shall be paid by the department in this regard. (ii) All products shall be ISI marked and approved by Estate Officer & Engr-in-charge. (iii) Work shall be executed as per CPWD Specifications

ABHISHEK TIWARI (BID ID -3194386)