Public Works Department Tender

xiv) Pdg. and fixing 25 mm x 5 mm copper strip on surface or in recess for connections etc. as required with all labour and material.

Supply and erection of underground cable ,loose in existing pipe or trenches complete with necessary connections. (HSR 31.26). xxxv) 400 Sq. mm 3.5 Core Ard.Cable.

Supply and erection of suitable compression type brass cable glands for underground Cable. (HSR 31.28). vii) 300 Sq mm to 400 Sqmm Cable 3 to 3.5 Core .

Supply and errection of double walled corrugated (DWC) HDPE pipe laid 1 meter below ground level including diging and refilling of earth including cost of suitable size socket / cuppler for HDPE pipe including the cost of the labour and material required to complete the job in all respect upto the entire satisfaction of Engineer-in-Charge of the work. (HSR 31.67). ii) HDPE pipe 145/123 mm outer dia / inner dia

Supply and erection of heavy duty 4 pole ON load changeover load breaker switch comprising of switches 63 amp to 400 amp suitable for operation on 415 V 50 Hz AC supply complete with handle assembly having door interlock & padlocking arrangement on existing panel / including making necessary connections with petty material required to complete the job. (HSR 31.74). v) 400 amp 4 pole ON load Changeover switch

Cement Concrete Platform:-Earth work in excavation in fundations, trenches, etc in all kinds of soils, not exceeding 2 Meter depth including dressing of bottom and sides of trenches, stacking the excavated soil, clear from the edge of excavation and subsequent filling around masonry in 15 cm layers with compaction, including disposal of all surplus soil as directed with a lead of 30 metes. (HSR 6.6).

Cement lime concrete 1:8:16 with brick blast 40mm nominal size in foundation and plinth. (HSR 10.26).

Cement concrete 1:2:4 with slone aggregate 20mm nominal size in foundation and plinth. (HSR 10.41).

First Class bricks work laid in cement sand mortar 1:6 in foundation and plinth (HSR 11.2).

11:43 cm thick bricks wall laid in cement sand mortar 1:4 without reinforcement, in foundation and plinth. (HSR 11.47).

Conglomerate floor 50 mm thick CC topping 1:2:4 (HSR 14.10).

12 mm thick cement plaster 1:6 (HSR 15.7).

Shed for DG Set: Wrought iron and mild steel (using angles, flates, square bars, tee and chanels) ladders, grills, gratting frames, window guards, iorn doors, open able or fixed stair case or perrapet or any other type of railing, gates and tree guards etc. including cost of screws and welding rods or bolts and nuts complete fixed in position. (HSR 18.12). Chanel size (40 x 40 x 6) = 15 M X 3.5 kg Per M = 525 Kg or 5.25 QTL. Wiremess Jalli = 100 kG = 1 QTL, Net & Bolts = 10 KG = 0.10 QTL, Total = 5.25 + 1 + 0.10 = 6.35 QTL

Non Schedule items: SITC of 400 KVA DG Set as per approved specification given below:- DIESEL ENGINE : (Manufactured in India) Diesel Engine shall be Liquid Cooled, electric start developing required B.H.P. at 1500 rpm suitable for alternator to deliver specified continuous KVA output at 0.8 lagging PF at NTP conditions (Rating shall be tested at Unity PF). The Diesel Engine should be capable of providing 10 % overload for one hour continuous running at full load after every 11 Hours continuous running. Diesel Engine 400 KVA and above should be fully electronic i.e. governing, fuel injection, monitoring of engine and its parameters should be all electronic. Diesel Engine Monitoring & Controlling & Controller for Generator Operation Monitoring & Synchronization Function shall be Independent of Each other. The Diesel Engine shall be complete with the following accessories:-a) Engine instrument Panel consisting of starting switch/push button, Lube Oil and Pressure Gauges, Water Temperature Gauge, RPM indicator and Hour meter. b) Low lube oil pressure safety required in Engines, High Water temperature safety for water cooled Engines is required. The safety should include audio alarm and trip facility also to avoid damage to the engine. c) Radiator. d) Exhaust silencer of Residential type. e) 12V/24V starting system complete with starter motor, charging alternator and Cutout. f) Lead Acid battery of suitable ratings with connecting cables. The batteries shall be supplied in uncharged conditions and of Make : EXIDE/ STANDARD FURUKAWA/ AMARON/ TATA-GREEN/ AMCO/ LUMINOUS/ PACESETTER Diesel Engine of direct injection or Diesel Engine fitted with common Rail Direct Injection Pump shall be accepted. The Engine should confirm to applicable Emission Norms. The Diesel Engine shall be accepted only which conforms to BIS : 10000/1/2 or BS:5514. ALTERNATOR. The Alternator shall be self – excited, self – regulated of specified KVA rating in three phase at 415 Volts, 50 Hz, 1500 RPM and 0.8 pf lagging (Rating shall be tested at Unity PF). The alternators shall be of brushless type only. The alternators shall be screen-protected drip proof with Min. IP-21 or improved degree of protection for outdoor installations. The class of insulation of the Alternator would be F/H. The rated voltage of Alternator will be 415 V for 3 phase. Make of Alternator : Kirloskar / Kirloskar Green/ Crompton – Greaves/ Leroy Somer / Trident/ Stamford/ Meccalte. AMF PANEL: Automatic mains failure (AMF) control panel shall be able to start up the DG set and can transfer the load on to D.G. set on mains failure without requiring any human intervention, similarly, on restoration of main supply, it shall be able to transfer the load to mains supply and switch off the D.G. Set automatically. The AMF panel enclosure should be with the IP-53 degree of protection and shall be fabricated from minimum 16 SWG thick steel sheet duly pre-treated and aesthetically finished and Power coated. The AMF Control Panel shall have the following instruments:- Microprocessor based relay with composite/separate meter for digital display of : 1 Generator voltage/AC Mains voltage. 2. Generator Current. 3. Load Current. 4. Power Factor. 5. Frequency. 6. Energy. 7. Three attempts engines start/ engines cranking relay. 8. On delay timer for load change over. 9. On delay timer for engine shut off. B. Mode selector switch for setting the panel on any one position such as off or auto or manual or test. c) Engine On-Off switch (Push button type) d) MCCB/Fuses of suitable rating shall be provided. e) Rectangular Aluminium Bus Bars (one number for each phase, neutral and Earthing terminal) of adequate ratings duly colour coded with heat shrinkable PVC Sleeves or Copper Cables. f) Two contactors/ACB of suitable rating (one for DG set & one for AC mains) with over load relay. g) Under + Over Voltage Relay. h) Automatic Battery charger with on-off switch, voltmeter and ammeter for charging the battery from mains. This will be addition to the battery charging alternator fitted on the engine. i) Instrument & Control Fuses/MCB. j) Four number indicating lamps to indicate ‘load on mains’ ‘set running’ ‘load on set’ and ‘battery charger on’. k) Audio visual alarm for ‘Low lubricating oil pressure’ High water temperature’ (for water cooled), ‘Start failure’, and ‘DG overload. l) Any other switch, instrument, relay or contactor etc. essential for smooth and trouble free function of DG set with AMF Panel (to be specified by the tenderer in their offer with complete detail of the item). m) All Electro components/ parts such as MCCB/ MCB/FUSE/ Contactor/ Meters should be of L&T/ ABB/ SCHINEDIER/ AE/ENERZON/ GE/ HAVELLS/ SIEMENS make. MANUAL CONTROL PANEL :- The Control Panel shall be made out of fabricated sheet 16 gauge (min) thick duly powder coated of suitable size for indoor/outdoor floor mounting installation. Aluminium Busbar/copper cables, internal wiring with suitable provision for / connection incoming/ outgoing leads. The Control Panel shall include following instruments :- Composite meter for digital display of - (i) Voltage (ii) Current. (iii) Frequency. b) One MCB/MCCB/ACB of suitable Rating. c) Push Button switch for on off operation. d.) Indication lamps. e) Automatic Battery charger with on-off switch, voltmeter and ammeter for charging the battery from mains. This will be addition to the battery charging alternator fitted on the engine. SOUND PROOF ENCLOSURE (CANOPY): The generator shall be in a sound proof (Acoustic) enclosure suitable for Diesel Generating Set complete in all respect having following specification/ Feature :- Fabricated as per standard specification of manufacturer, stuffing done with suitable Foam/ Rock wool. Rock wool supported with Tissue Paper or perforated sheets having holes. Residential type silencer provided to lower the noise of exhaust outlet. Canopy treated for antirust with powder coating. Should have fresh Air inflow and proper ventilation. Modular in construction and provided with lockable doors. The Sound proof enclosure shall be strictly as per CPCB prevalent norms. The sheet thickness should be 18 gauge (min) as per manufacturer standard and as per CPCB rules.