Public Works Department Tender

Brick work with common burnt clay modular bricks of class designation 7.5 in foundation and plinth in - cement mortar 1:6 (1 cement : 6 coarse sand)

Centering and shuttering including strutting , propping etc and removal of form for - foundations, footings, bases of columns etc for mass concrete

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:2:4 (1 cement : 2coarse sand : 4 graded stone aggregate 20 mm nominal size) - Using Portland Slag cement

12mm cement plaster of mix -1:4 ( 1 cement : 4 fine sand)

Supplying of 3 phase, 415 volts, 50 cycles, 0.8 power factor for electric starting diesel generator comprising the following units:- (Kirloskar/Leyland/Ruston/Greaves Cotton/Cummins make) water cooled and shall be of multi stroke, multi cylinders, cold starting, developing not less than198BHP under normal temperature and pressure. The engine shall conform to I.S. 10002 with latest amendments. It shall be capable of taking 10% over load for one hour in every 12 hours of continous operation including 6 Nos. of anti vibration pads.The engine shall be complete with the following accessories:Electrical starting provision, engine cooling fan, fuel and lubricating oil filters, oil bath, air filter, lub oil pressure gauge 350 litres capacity fuel tank mounted with engine, hour meter with exhaust manifold, flexible pipe, 12 /24 volts electric starting equipment complete with starter, alternator and twonumbers of 12 volts with 25 plates battery of make AMCO/STANDARD/EXIDE/DAGANITE (with Guarantee cards) of adequate capacity and low lubricating oil pressure/high temperature varying engine shut down devices.The Acoustic enclosure shall have the following: Acoustic enclosure shall be powder coated and fabricated out of 16 SWG CRCA MS sheet. The silent canopy shall be of nut bolt type construction. Powder coating is done after seven tank surface preparation process of sheet metal. Canopy panel and doors shall have inside lining of FIRE-RETARDANT foam/Rock Wool as acoustic material. Four hinged doors shall be provided to canopy, one door shall have glass window for control panel.Base frame is fabricated either in ISMC channel or in sheet metal.

The base frame is rugged in construction and designed for mounting engine and alternator, with cross members mounted on AVM. The base frame shall have provision for mounting of acoustic enclosure and it is having provision of lifting hook for convenient lifting of complete set, i.e. along with canopy, engine and alternator.Fuel tank shall be fabricated out of 14 SWG CRCA MS sheet and is part of base frame. It is duly painted and fitted with inlet and outlet connections of suitable capacity.The Acoustic enclosure shall be Type test approved as per CPCB norms. The average sound level, when measure in green field condition (ISO m3744 OR 8528 PT 10) at 1-meter distance from all four sides shall be less than 75-dBA average or as per CPCB norms. The average stabilized hot air temperature rise with in the canopy is maintained with in 10 C over and above ambient temperature.Acoustic enclosure is suitable for Outdoor / Indoor installation. Lockable doors shall be provided. Lockable fuel filling arrangement to be provided external to the canopy. Residential Silencer is housed in the canopy. The exhaust gasses shall be taken out through a suitable flexible pipe to prevent any back pressure on the engine.Base frame sturdy, fabricated welded construction, channel iron / sheet metal base frame for mounting the above engine and alternator.Standard Tools and Spares:Double ended spanners complete set (small and big size sets) - 12 Nos. (TAPARIA/GEDORGE/EVEREST make)Screw driver (30cm long) Taparia make .Screw driver (45cm long) Taparia make .Cutting plyer.Diesel filter with elements - 2 Nos.Oil filter with elements - 1 No.

All the above accessories with complete set.AlternatorThe alternator shall be of Crompton/Kirloskar/ Stamford/ELGI make, self excited, self regulated, screen protected, drip proof alternator with static excitation system capable of developing 160 KVA at 0.8 power factor 415 volts, 3 phase, 50 cycles, generally conforming to I.S.4722 under normal condition, the voltage regulation will be plus or minus 5% of rated voltage. It shall be with end shield/ball roller bearings complete.Control PanelA wall/pedestal mounting (cubical type) fabricated sheet steel construction suitable for manual operation, rated for system output incorporating the following devices/instruments. The panel is made of 1.6mm sheet with one/two hinged front door, bolted back totally enclosed and vermine proof. It shall be with all electrical connections and internal copper wiring with proper color codings for internal wiring. All control equipments and indicating instruments shall be mounted on the control panel. The control panel shall have the following equipments:1 No. Amps/Volt/Frequency meter (96mm x 96 mm) 3 Nos. of suitable current transformers2 Nos. of suitable selector switches for voltmeter and ammeter main switch rotary type on/off pilot lamp (Standard make).1 No. input terminal board.1 No. out put terminal board1 No. Kilowatt hour meter (62.5 KVA and above)1 No. MCCB of suitable capacity (L&T/CROMPTON make)-160 KVA / 128KW Generator set (Water cooled)

Making earth pit of G.I. pipe for earthing in earth pit with 40mm dia. G.I. pipe medium class of length 3.05m perforated with 46 Nos of 12mm dia. holes, pipe lowered in bore holes of 150mm dia. and filled in with charcoal and salt in alternative layer of 300mm, the top of G.I. pipe shall be clamped. Earth pit shall be provided with 60cm dia precast ring with 60cm depth alround,covered with R.C.C. precast slab etc. as per I.E. standards.

Supplying and fixing of copper flat (25 x 3mm) for earthing arrangements including bolts and nuts etc.

Supplying of 3.5x240 sqmm underground cable (Paragon/suncab/Empire) complete.-(above 160KVA to 200KVA Genset).

Laying of UG cable and providing termination of cable joint with suitable cable gland,cable socket etc. complete - 3.5 x 240 sqmm cable.

Providing and fixing of fire safety equipments comprising 1 No. of 4.5 kg of CO2 fire extinquisher 1m x 2m x6mm thick rubber mat shock proof of superior quality with two numbers of 10 litres capacity fire buckets (red colour) with M.S. stand arrangements etc.

Providing and laying of aluminium cladding with 50 mm thick glass wool slab with chicken mesh and covered with 24 SWG aluminium sheet (the rate includes double calculation for flanges & bends) as per I.E. standards.

Charges for transporting, erection, testing and commissioning of generator set excluding foundation,but including mechanical and other unskilled wages for installation of equipment, wiring from generator set to panel board and change over switches, handling charges, purchase of spares if any required for the installation and commissioning, the cost of fuel and other materials for a trial run of 6 hours. This rate also includes for testing and commissioning of generator set as specified, obtaining approval of Central Electricity Authority (CEA), payment for CEA inspection/Licence fees or any other charges and fulfilling other requirements and conditions laid down by CEA-from 125 KVA to 200 KVA

Supplying and fixing electronic type battery charger unit for energizing the genset incuding charging indicator lamp,AC&DC fuses,AC supply ON&OFF control,DC output MCB, automaticfloat/booster charger rating 12V-15Amps capacity etc.,complete.

Steel work in built up tubular (round,square or rectanglar hollow tubes etc.) trusses etc., 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 - hot finished seamless type tubes

Providing and fixing colour coated galvalume sheet of 550 M.P.A. yield of AZ 150 strength formed as per patterned steel rib profile with the depth of 31 mm pitch of 250 mm and overall width of 1060 mm and thickness 0.5mm with required J or C hook bolts and nuts 8mm dia G.S.paint and working etc., complete excluding the cost of purlin , rafter and truss etc.,

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead upto 50m and lift upto 1.5m

Providing, laying and jointing UPVC pipes(Finolex / jain / Supreme / Truebore / Nandi) (0.4 Mpa)conforming to IS specification 4985 and ISI marked including transportation to the site , lowering to the trenches, laying to proper grade and alignment, testing of joints with required testing equipment,including cost of solvent cement,excluding UPVC specials such as bends,tees, threaded pieces,couplers,reducer,endcaps etc.,complete all as per IS and CPWD specification. - 160mm dia.

Laying of under ground cable direct in ground including metal road cutting,excavation of earth, sand cushion, brick protection, back filling etc., complete. - above 50 sqmm