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| 1 | Supply, Erection, Testing and Commissioning of Silent (Sound Proof) Diesel Generator Set 58.5KVA with STD Panel. It should be water cooled naturally aspirated/ turbo charged/ turbo charged after cool (As per manufacturer standard).ENGINE: The Diesel engine developing 75.5 BHP (Approx.) for giving a power rating as per ISO 8528- Part-1 ( With CPCB Norms-IV as amended upto date) in KVA at the load terminals of alternator at 1500 rpm at actual site conditions. The engine shall confirm to IS 10000/ ISO 3046/ BS: 649/ BS 5514 amended up to date have dynamically balanced Fly wheel, air cleaner (dry/ oil bath type) as per manufacturer standard. A mechanical/ electronic governor of TYPE A1 AND A2 to maintain engine speed at all conditions of load, daily fuel service tank of minimum 8 hours running capacity as per manufacturer standard, Dry exhaust manifold with suitable exhaust residential grade silencer to reduce the noise level.suitable self-starter for 12 V/ 24 V DC ,battery charging alternator unit and voltage regulator, Lubrication oil cooler,Lubrication oil filters with replaceable elements.ENGINE CONTROL PANEL: Engine control panel fitted and having digital display i.e Start/stop key switch/push button, Battery charging indication,Engine Hours indications, Over speed indication, High water temperature indication, Lubricant oil pressure indication,) RPM indication and MCCB (Fixed Thermal and Adjustable Thermal protection) of suitable rating for outgoing supply. ALTERNATOR: The alternator should be designed as per (IS4722 and IEC:34 ) standard. Rated Power Factor : 0.8 (lag), Rated voltage : 230/415 volt, SPDP (Screen Protected Drip Proof), Degree of protection: IP-23, Ventilation : Self ventilated air cooled Alternator should have 40 degree maximum class H insulation, Automatic voltage regulator unit should be provided as per standard practice of manufacturer. Its voltage dip shall not exceed more than 20% of the rated voltage at any step load or transient load as per ISO 8528 (Part-1). Its efficiency at full load 0.8 power factor, 10% overload one hour in every 12 hrs of continuous use. |
| 2 | ACOUSTIC ENCLOSURE: The enclosure shall be fabricated out the CRCA sheet of thickness not less than 1.6 mm on the outside cover with inside cover having not less than 0.6 mm thick perforated powder coated CRCA sheet. It should be IP54 Suitable for outdoor installation exposed to weather conditions, noise level up to 75 dB (A). All sheet metal parts should be processed through 7-tank pre treatment process and batteries accommodated in the battery rack .The acoustic lining should be made up of high quality insulation material i.e. Rockwool / glass/ mineral wool / PU foam of appropriate thickness & density for sound absorption.The inside of enclosure should be provided with at least one no. 28 W-T5 fluorescent tube light/ LED 10Watt luminaries controlled by a 5A switch for adequate lighting during servicing etc.with 2 year warranty from the date of installation. Warranty of 5 years from date of dispatch on 5 critical component of DG set. (Crankshaft, Crankcase, Connecting Rod, Cylinder head & Camshaft) complete in all respect as desired by engineer at site: MANUAL CONTROL PANEL: Manual control panel shall be fabricated out of 1.6 mm sheet steel, totally enclosed, dust, damp and vermin proof wall mounted/ free standing floor mounted type with IP-53 degree of protection & front operated, composite meter for digital display, HRC fuses of suitable rating. MCCB (Fixed Thermal and Adjustable Thermal protection)/ ACB (Over cuurent/ overload, shorcircuit, instantenous, earth fault protection) should be used. Battery charger complete with voltage regulator, Voltmeter and Ammeter for charging the battery from external mains. This will be in addition to the battery charging alternator or dynamo fitted on the engine.All the components in the control panel shall be properly mounted, duly wired and labeled. Suitable terminals are to be provided for panel incoming and outgoing connections. System opeartion facility provided shall afford the following operational requirements. Necessary instruments and accessories such as voltmeter, power factor meter, KW meter, KWH meter, Ammeter, Frequency meter,battery charger complete in all respect as desired by engineer at site:- |
| 3 | PVC INSULATED FR COPPER CONDUCTOR CABLES:Supply and erection of PVC insulated FR single core Unsheathed copper conductor cable (ISI marked) suitable upto 1100 volts grade confirm to IS:694/1990 left bare in pipe or casing of suitable size complete in all respect as desired by the Engineer-in-charge:- |
| 4 | Overall size 2.5sq.mm (Un-sheathed) |
| 5 | Overall size 4sq.mm (Un-sheathed) |
| 6 | Overall size 10sq.mm (Un-sheathed) |
| 7 | XLPE INSULATED UN-ARMOURED CABLES (ON SURFACE): |
| 8 | Supply, laying and erection of aluminium conductor XLPE insulated PVC sheathed Un-armoured and served cable 1100 volts grade as per IS 7098 (Part-1)1988 to be laid (On Surface) as per PWD General Specifications:- |
| 9 | Overall size 50sq.mm (3½ Core) Un-armoured (On-Surface) |
| 10 | XLPE INSULATED UN-ARMOURED CABLES (LOOSE):Supply, laying and erection of aluminium conductor XLPE insulated PVC sheathed Un-armoured and served cable 1100 volts grade as per IS 7098 (Part-1)1988 to be laid loose in the existing trench or pipe as per PWD General Specifications:- |
| 11 | Overall size 50sq.mm (3½ Core) Un-armoured (Loose) |
| 12 | Overall size 10sq.mm (2Core) Un-armoured (Loose) (for Charging of DG Set) |
| 13 | Supply and erection of Double Walled Corrugated (DWC) HDPE pipe to be laid 1/2mtr. below ground level including excavation placing the pipe in position and back filling with excavated soil etc. of the required size:- |
| 14 | Double Walled Corrugated HDPE Pipe 63/ 51mm (Outer/ Inner dia.) |
| 15 | ON LOAD CHANGEOVER SWITCH (With Sheet Enclosure): |
| 16 | Supply and erection of On Load Change over Switch with advance neutral UNIT in sheet enclosure on the existing surface. (Confirms to IS 13947 (Part-3). complete with G.I. Bolts, Nuts etc. according to the size of holes in the body of the enclosure & Connections on both sides of switch with suitable size of thimbles as per PWD General Specifications:- |
| 17 | On Load Change Over Switch Four Pole 100amp., 415volts (With Sheet Enclosure) |
| 18 | COPPER EARTHING (Upto 8 metre in Length): |
| 19 | Earthing with electrolytic Copper Tape rivetted (with 5Nos. copper rivets)/Steel Nut & bolts (with 4Nos. 32mm long, 8mm thick with washer and double nut) to 30cm x 120cm x 2mm thick copper plate (made cylindrical) burried 4.50 metre (14.76 feet) below ground level in the hole of excavation having bore dia. 125mm and surrounded by salt & charcoal dust mixture (20 kg.) including fixing the Copper Tape recessed in wall and in floor etc., up to 8metre in Length (including bore Length). G.I. pipe 20mm dia. (A-class), 3metre long should be laid in the hole of excavation 1 feet below ground level and having GI Reducer 50mm x 20mm with PVC Cap (For pouring water) fixed on the top level of the pipe. 300mm x 300mm x 300mm deep haudi of First class bricks finished with 1:4 cement plaster and haudi covered with cast iron lid having size 300mm x 300mm (Heavy) around the hole of excavation:- |
| 20 | Earthing with 20mm x 3mm Copper Tape (upto 8Metre in Length) |
| 21 | COPPER EARTHING STRIP (As Additional Length): |
| 22 | Fixing additional Length of earthing with Copper Tape (On Surface/Flushed) with petty material as required etc.:- |
| 23 | Additional Length 20mm x 3mm thick Copper Tape |
| 24 | SHEET METAL BUS BAR CHAMBERS (COPPER STRIPS):Supply and erection of sheet metal bus-bar chamber (factory fabricated) duly powder coated on existing surface with required 4Nos. of tin plated copper bus-bar strips of suitable length and cross-sectional area mounted on DMC/ SMC moulds at sufficient distance, enclosure made of M.S. sheet 1.6mm thick with hinged cover and lock, fitted with dust excluding gaskets and secured with sufficient no. of cadmium plated iron screws and of given overall dimensions and to be fixed with G.I. bolts and nuts/ rag bolts and nuts etc. complete with all accessories including connections with suitable size of thimbles, bonding to the existing earth and painting etc. as desired by the Engineer-in-charge at site:- |
| 25 | Bus Bar Chamber 100amp., 415volts Overall Dimensions (350mm x 450mm x 150mm) nominal |
| 26 | Supply and erection of Moulded Case Circuit Breaker (Panel mounting Cubical type) in the existing Cubical Panel (confirm to IEC:60947-2) having Ics=100% Icu, 100% neutral with spreader links and relevant PWD general specifications complete with G.I. Bolts, Nuts & Connection on both sides of MCCB with suitable size of thimbles etc:- |
| 27 | MCCB Four Pole 63/80/100amp., 415volts, ≥25kA Fixed Magnetic and Adjustable Thermal Setting |
| 28 | Supply & Erection of indoor type MCCB enclosure of suitable size having provision for MCCB with extended rotary handle. The Enclosure shall be made from 14/16 SWG CRCA sheet, confirming to IS 8623/1977-82. The door should be double folded without edge and the gasket should be ‘S’ type puffed neutral rubber gasket for long life. The hinges of the door should be bolted type with double hole arrangement. The Enclosure door lock should be quick openable type spring loaded. There should not be any special tool or key to open the lock. The Enclosure will be wall mounting type having provision for cable entry from bottom/top with cable glands etc. The sheet metal is sprayed with corrosion resistant etch primer. The finishing treatment shall be applicable with air drying paint (7/9 tank Powder coated process should present in company pemises) after necessary putty work:- |
| 29 | MS Sheet Enclosure having provision for MCCB 40-160Amp.with extended rotary handle (Approx. Size 500mm x 300mm x 200mm) |
| 30 | Dismantling concrete Cement concrete plain1:2:4 mix. CSR 8.6 (d) |
| 31 | Cement concrete 1:6:12 With stone aggregate 40mm gauge mixing by mechanical means using concrete mixer volumetric type. CSR 10.8 b(ii) |
| 32 | Reinforced cement concrete M-20 mechanically Volume mixed using batch type concrete mixer as per IS:1791 and vibrated by needle vibrator but excluding steel reinforcement centring and shuttering in foundation and plinth. CSR 10.15 |
| 33 | Shuttering for faces of concrete foundations and foundationbeam & plinth beam (vertical or battering) CSR 9.1 |
| 34 | Steel work in built up tubular pipes (round, square or rectangular hollow tubes etc. ISI Marked) for flat shed (ie.Where no truss work is involved) including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. CSR 18.53Assume SHS 50 mm X 50 mm X 4.5 mm @ 6.02 Kg/mtrssume RHS 60 mm X 40 mm X 2.9 mm @ 4.12 Kg/mtr |
| 35 | Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal,complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. 0.50 mm (+ 0.05 %) thick. CSR 13.27 (ii) a |
| 36 | Painting two or more coats excluding priming coat with synthetic enamel paint in all shades on wood work, metalliRHS section (same as above)c or plastered, concrete surface to give an even shade. CSR 16.17SHS section (same as above) |
| 37 | Providing and fixing Mettal extendable hold fasteners on C.C. /R.C.C./Brick masonry surface backing including drilling necessary holes and the cost of bolt etc complete. Fastener with threaded dia 12 mm. CSR 14.159 c Please Enable Macros to View BoQ information |
