CONSTRUCTION OF FORTIFIED POLICE STATION BUILDING AT MAREDUMILLI OF EAST GODAVARI DISTRICT SUB WORK: SUPPLY INSTALLATION TESTING AND COMMISSIONING OF 15 KVA DG SET WITH ACOUSTIC ENCLOSURE

Supply Installation Testing and commissioning of Radiator Cooled and Turbocharged 15 kVA at 0.8 pf 415V 50Hz 3-Ø DG Set complete with 1500 RPM Diesel Engine of suitable BHP & AC Brush less SPDP Alternator mounted on a common base Frame & coupled through a flexible coupling or close coupled. Alternator: It shall be self regulated, self excited and confirms to IS: 13364/1992 or latest version with regulation of +5% from No load to full load, IP23, with standard Alternator Protection( Over voltage, over speed & under voltage). Make: Stamford/ Kirloskar/ CromptonGreaves/Leroysomer DieselEngine: Itshall have residential silencer, up to 10 M exhaust piping , electronic / Mechanical governor, Manual & electric Start, Batteries, Fuel tank ( with Stand) & piping, control panel (16 G) with MCCB (4P; 25 KA), Ammeter, Voltmeter, Frequency Meter, Energy Meter & Hour Meter, Engine instruments panel and AVM. The diesel engine shall be capable of providing 10% over load for 1 Hr for every 11 Hrs of continuious running at full load. Makes:Cummins/Koel Green/Sterling/ mahindra/Elmot Power Gen/Ashok Leyland/Greaves Accoustic Enclosure: Weatherproof, powder coated Accoustic enclosure for DG set for sound attenuation fabricated from 1.6 mm CRCA sheet steel (structure) with side wall fabricated from 1.6 mm CRCA sheet and filled with foam as per CPCB norms latest amendments & IS 8183 .The doors are fabricated from 1.6 mm CRCA sheet packed with accoustic material, floor of MS chequrred plate 5.0 mmthick, All doors/ opening are sealed with neoprene/ EPDN gaskets. The DG set shall be maintained for two years after commissioning by the supplier including regular servicing , cost of consumables etc., complete as specified by the OEM along with warranty for two years. The enclosure has built in fuel tank, residential silencer (isolated from main DG chamber) with protection and tripping of DG set against temperature of more than 50 °C. All controls for operation of DG set are from outside the enclosure with DG control panel having processor based genset monitoring and control system MCCB/ACB Ammeter, voltmeter, Pf meter, frequency meter, KWH meter, Ind. Lamps etc. mounted inside enclosure , visible and accessible from outside. The enclosure should be suitable for following capacity DG sets and alternator.Noise level is less than 75 db (A) at a distance of 1 Mtrs as per CPCB-IV norms,complete. The engine with 1st filling of oil and Diesel etc.

Erection and installation of 15 KVA D.G. Set Unloading of D.G. Set at site shifting of D.G. set to the foundation and positioning, erection of silencer Including cost of required C.C (1:2:4) foundation of Standard size and specification to suit the above generator set including cost and conveyance of all materials and necessary cc foundation platform. Size L=3.0m, W=2.0 m, H=0.4m above ground level including laying of exhaust line and silencer cladding etc., complete.

Supply, Installation, Testing and Commissioning of 16 Sqmm 4 Core XLPE insulated, 1100V grade armoured alluminium cable as per specification confirming to IS:7098 (Part - I) Makes: Torent / Universal / Unicab / Havells / KEI / Gloster/Finecab / Polycab /RR Kabel/ Fortune Arrt

Supply and run of 6 core X1.5 sqmm PVC insulated & PVC sheathed unarmoured control cables of 1.1 KV grade with copper conductor as per IS 7098 Part-I -1988 including cost and conveyance of all materials and labour charges etc ., complete. Makes: Torrent / Universal / Unicab / Havells / KEI /Polycab/Gloster / RR Kabel

Supply and Fixing of heavy duty flange type brass cable glands for 4 core, 16 Sq.mm PVC armoured cable with brass washers and crimping type aluminium lugs confirming to I.S specifications for cable upto 16 Sq.mm including nuts and bolts with connections etc., complete. Make Siemens/ C.G

Earth work excavation of Trench in hard ground soil, laying of U.G cables upto 50 Sq,mm on sand cushion covering the cable with bricks and back filling of Trench duly providing route indicator embedded in C.C including cost and conveyance of materials and labour charges etc., complete.

Providing independent earthing for Sophisticated Electronic equipment with 600mm x 600mm x 3.15mm thick copper plate rigidly fixed to 40mm dia 'B' class 2.5m long G.I pipe and 19mm dia 'B' class G.I pipe of 0.3mtr. long connected with reducer providing G.I funnel with wiremesh as per National Electric Code including C.C.Chamber of size 400m x 400m x 400mm covered with R.C.C. Slab filling with salt and charcoal giving earth connection from electrode G.I strip of 25mm x 6mm x 200mm length with all accessories and labour charges complete as per IS specification 732/1982 (Part II).

Supply and Run of 25mm x 3mm copper strip including cost of all accessories and labour charges etc., complete.

Providing independent earthing for Important equipment with 40mm dia 'B' class 2.5m long G.I pipe connected G.I funnel with mesh enclosed in C.C.Chamber of 400m x 400m x 400mm with R.C.C. Slab cover duly providing staggered holes filling with salt and charcoal from the bottom of the pipe giving earth connection from electrode through G.I strip of 25 x 6mm x 200mm length with all accessories and labour charges complete, as per IS specifications 732/1982 (Part II)

Supply and Run of 25mm x 6mm G.I Strip including cost of all accessories and labour charges etc., complete.

Supply and fixing of 63A, 415V, 4 Pole on load Change over switch with SS enclosure including cost and conveyance of all materials and labour charges etc ., complete. Makes: HPL / Havells / Standard / Indo Asian / C&S