SPECIAL REPAIRS TO REPLACEMENT OF MISC E/M BER ITEMS AT AFS BEGUMPET UNDER GE (AF) HAKIMPET

Amount

Supply, install and commissioning Hi wall 1.5 Ton split units indoor/outdoor complete with cordless remote control unit, copper tubing and thermal insulation between IDU & ODU, anti dust filter, star rating - 5 Star, Type- Inverter, Refrigerant R-32, Condenser-Copper, Compressor - Twin Rotary, LED Display, etc complete all as specified and as directed. NOTE : (i) Quoted rate deemed to be included cost of making necessary hole into stone/brick wall for copper tube & power cord and making good to damage portion as existing. (ii) Outdoor unit shall be mounted on MS bracket and quoted rate is inclusive.

Supply, Install, Testing and commissioning of silent diesel engine driven generating set 415V, 40 KVA, 3 phase 4 wire, CPCB approved accoustic enclosure on & including PCC platform as recommended by the manufacturer and S&F Stand alone automatic on mains failure (AMF) type 0.8 power factor 50 Hz 1500 RPM self excited, self regulate brushless AC generator suitable for ambient conditions complete with relay panel, for automatic starting on main failure control panel and confirming to IS with the following for DG set complete with acoustic enclosure. NOTE:- The capacity of Gen set shall be 40 KVA as per IS-13364 and IS-4722 relevant ISI designs. The location for installation is Air Force Station Begumpet, Secunderabad.

ALTERNATOR:- Standard design alternator rated at 40 KVA, power factor 0.8, AC 3, phase 4 wire, 415 volts, 50 cycles, 1500 RPM, self excited, self regulated screen protected drip proof (SPDP) IP 23 enclosure, brushless design with hub and shield / roller bearing with winding in each face insulating class 'F' band of voltage regulation ± 5% of rated voltage from no load to full load the alternator shall be in position to generate supply with frequency / regulation within ± 1% tolerance.

DIESEL ENGINE:- Adequate capacity not less than 56 BHP Water cooled, electric starting, four stroke multi cylinder diesel engine to drive independently above mentioned alternator for generating and reducing power consumed by accessories. Directly coupled through flexible coupling , multi stroke direct injection, cold starting 1500 RPM as per with on overload capacity of 10% one hour in a day 12 hours continuous running complete with following standard accessories complete all as specified and required for safe handling and operations, silent features of accessories shall be as under:-

Fly wheel with housing

Air cleaner dry type

Fuel filter

Fuel injection system with injection pumps, solenoid switch governor mechanical type as per manufacturer standard etc.

Lubricating oil filter and initial filling of engine oil.

Lubricating pump

Electric starting equipment comprising of the following .

Battery of capacity as recommended by manufacturer, PVC copper cable lead of adequate size complete with commissioning and initial charging capacity. MAKE : Exide / Amar Raja.

Starter Motor

Starter gear ring

Starter and stop push button

Battery / Charging generator with regulator with 12 / 24V suitable of 12V single and battery of 12V - 02 Nos whichever is applicable.

Ignition Key / Switch with duplicate Key - 01 Set

Exhaust pipe including muffler with sound not exceeding 60dB complete with exhaust piping of suitable dia upto and outside (the building) covered with asbestos impregnated rope, adequate create draft for safe exhaust without transferring vibration to building / wall.

Engine protection device including audio indicators and cut off system during following instance :-

Low lubricating oil pressure

High tempreture control

Over speeding of engine

Battery charging indicator

Belt guards

Hour meter

RPM Indicator

Fuel tank capacity adequate for 12 Hours running at full load level indication arrangements, stop cock, drain plug and fuel supply pump with pumping from tank to pump feeder and FIP and to engine including return of overflow.

Air intake system

Hand priming pump as applicable as per manufacturer's standard

Common base plate for mounting engine and alternator

Anti vibration rubber pads.

AMF PANEL OPERATION The AMF panel supplied with authorized manufactures DG set with incorporate the logic and hardware for accomplishing the following:- Starting the DG set when there is a failure of main supply / single phasing or when the voltage lower /higher than the pre set value or where there is failure of one / two phases. Transferring the load to the DG set from the mains. Transferring the load back to the mains when healthy mains supply is restored and stoppage of DG set. NOTE : The above functions are carried out automatically without human intervention control protection and metering task achieved.

ACCOUSTIC ENCLOSURE Acoustic enclosure factory Made floor mounted factory built modular in construction for engine and alternator consisting acoustic panels or tubular / angular in section fabricated out of 16 SWG cold rolled steel sheet packed with 1.5mm PVC film with 25mm thick PU foam of appropriate density so as to reduce the noise level to 74 DB measured from a distance of 1m from enclosure as per the norms of pollution control board (CPCB) suitable for 40 KVA DG set

CIVIL WORKS All civil works related to foundation installation of panel and equipments including making good of existing structure if disturbed during installation and commissioning of GEN SET, (Total depth of foundation shall be minimum 300mm with anti vibration pads) NOTE:- (i) PCC foundation in 1:2:4 type B1 for DG set including excavation and earth work as per manufacturer's standards shall be deemed to be included in quoted rate. (ii) Necessary testing equipment and heater load for testing before handing over the work (Phase -I & Phase -II tests) shall be carried out by the contractor to the entire satisfaction of the accepting officer or any person authorized by him and the satisfactory results shall be kept in MES records duly signed by the contractor, Engineer-in-Charge and testing officer. (iii) Phase -I test will be performed for 1 hour without load after completion of installation by Engineer-in-Charge/Testing Officer. (iv) Phase-II test will be performed for 12 hours by the Testing officer. (v) DHPP required for the testing shall be brought by the contractor. Rates quoted are deemed to be inclusive of the same.

Taking up unserviceable DG set 35KVA from installed position at Range pump house complete as a whole and shifting to AGE E/M (AF) Begumpet store yard complete all as specified and directed by Engineer-in-charge.

Supply, installation, testing & commissioning of Feeder Pillar Box cubical type, factory made, suitable for 3 phase, 415 volts, 50 Hz system, with 250 Amps capacity aluminium bus bar, indoor type, factory made of 2.15 mm thick CRCA sheet with inspection doors at front & rear side inclusive of necessary locking arrangement, suitable glands, opening for vent and cable entry, with angle Iron of size 40 mm thick including internal wiring with PVC insulated copper cable, grouted in floor complete with the following accessories, duly pre-treated and powder coated finish including taking down old unserviceable panel:- (a) Onload Change Over Switch 160A FP Qty-01 No (b) MCCB, 4 pole 160A, 36 KA- 01 No (Thermal magnetic release, Adjustable type). (c) MCCB, 3 pole 125A, 25 KA- 02 No (Thermal magnetic release, Adjustable type). (d) MCCB, 3 pole 63A, 25 KA- 01 No (Thermal magnetic release, Adjustable type). (e) Digital display VAF Panel meter- 01 No. (f) LED Indicator RYB - 01 Set of 3

Supply and installation of Feeder Pillar Box cubical, factory made, outdoor type, made of 3mm thick CRCA sheet with inspection doors at front inclusive of necessary locking arrangement, suitable glands, opening for cable entry, with angle Iron of size 40 mm thick including grouted in ground and height from GL shall be not less than 1.2 M duly pre-treated and powder coated finish suitable for mounting and including MCCB, 4 pole 160A, 36 KA- 01 No (Thermal magnetic release, Adjustable type) complete all as specified and as directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 50 sq mm 3.5 core including taking down old cable complete all as specified and as directed. NOTE:- Excavation and earth work, sand cushining, cable protection cover, pipe etc. shall be measured and paid seperately under relevant items.

Excavation in trenches not exceeding 1.5M wide and not exceeding 1.5M in depth and getting out in hard/dense soil for laying of under ground cable and foundation of poles complete all as specified and as directed.

Returning, filling including spreading, leveling watering and well ramming in layers not exceeding 25cm with hard/dense soil complete all as specified and as directed .

Removal of excavated surplus soil not exceeding 50 m and depositing where directed at al level not exceeding 1.5 m above the starting point complete all as specified and as directed.

Supply and lay river sand for cable cushing in trenches or in duct complete all as specified and as directed. NOTE:- Punned thickness shall only be measured and paid.

Supply and lay sub class 'B' old size burnt bricks for cable protection complete all specified and as directed.

M&L GI light grade pipe 40 mm dia bore for cable/ protection with fitting fixed to poles/ wall/ floor/ road crossing in trenches etc.

Material & labour for cutting of existing bituminous/concrete road upto depth 15cm for laying of LT UG cable & making good to the disturbed surfaces by providing PCC or same material after laying of cable/ protection pipe and returning filling of soil all as specified and as directed.

Supply, install, testing & commissioning of Centrifugal pump set coupled with induction motor suitable for 3 phase, 415 volts, 2900 RPM, 1200- 1400 LPM, minimum 60 meter head of capacity 30 HP, including S&F of suitable Star Delta starter with single phase preventor and over load protection, 3 core 10 Sqmm Flat copper cable from starter panel to pump set, priming line watering arrangement complete using 20mm dia GI pipe med grade of length upto 10 RM, gate valve 20mm dia-01 No with necessary PCC foundation with suitable size of nuts, bolts grouted & washers complete all as specified and as directed.

Taking down unserviceable pumping set from its installed position including disconnecting inlet/outlet connections, cable connections etc of capacity 15 HP complete and depositing in the AGE E/M (AF) Begumpet store yard complete all as specified and as directed.

Dismantling and taking down existing suction pipe line (approx 7m) alongwith CI foot valve and delivery line 50mm dia with gate valve complete all as specified and as directed.

Supply, fix and testing suction pipe flanged type galvanized, “Heavy class” 100 mm dia, including fittings from under ground sump to pump inlet, making hole into stone wall for suction pipe line and making good. Note: Appropriate slope shall be maintained throughout suction length.

Supply and fix CI Non return valve PN 1.6, reflux, flanged ends, swing type, Gun metal seat, with by-pass Arrangement, 80 mm dia . Make: Kirloskar/ Leader /Venus /AUDCO.

Supply and fix brass Foot Valve with strainer, vertical mounting type of 100 mm dia with brass seat and Gun metal working parts. Make: Kirloskar/ Leader /Venus /AUDCO.

Supply, lay and testing of galvanized iron pipe, “Medium grade”, flanged type including all fittings of 80 mm dia from pump outlet to existing discharge line reducer, making hole into stone wall for pipe line and making good complete all as specified and as directed. Note: Making T branch connection will be measured and paid seperately.

M&L T branch 80x80x80mm connection in existing delivery line including necessary excavation, dewatering, cutting, threading, GI fittings, welding etc complete and testing for leak proof complete all as specified and as directed.

Supply and fix CI sluice valve, non raising, flanged type of size 80 mm dia conforming to IS-14846 with Iron wheel head, rating PN 1.6, brass spindle, rubber gasket, bolts and nuts complete all as specified and as directed.

Supply and fix Water heater storage type, vertical mount, electric operated 230V AC 50 Hz, ABS outer body, copper inner tank, capacity 25 litres BEE minimum 4 star rated.

All as above but of cap 50 Ltrs capacity

Taking down existing geyser of capacity 25/50 ltrs and handing over to the AGE E/M sub division store and making good

Taking down old submain and M&L for new Sub main wiring complete with two runs of 4.0 Sqmm single core PVC insulated FRLS cable, 1100 volts grade, multi-stranded copper conductor cable with one run of 4.0 Sqmm single core, PVC insulated FRLS cable, 1100 volts grade, multi-stranded copper conductor cable as earth continuity conductor, drawn through and including suitable size of non-metallic rigid PVC conduit and conduit accessories concealed in any type of wall including stone masonry, floors / fixed to ceiling etc. all as specified and as directed. NOTE: Two runs of 4.0 sqmm cable conductor, one run of 4.0 sqmm earth continuity conductor cable and one run of PVC conduit shall be measured as one unit length. (for ORC) complete all as specified and as directed.

Supply and fix MCB distribution board sheet metal powder painted Single pole & Neutral enclosre with a two pin and earth plug and socket, one single pole MCB of 30 Amps complete including taking down existing DB sheet metal including MCB complete all as specified and as directed.

M&L for earthing complete with galvanized steel earth plate electrode of size 600mm x 600mm x 6mm thick, buried directly in ground vertically to a depth not less than 2.25 Mtr below ground with top edge of the earth plate not less than 1.5 mtr below normal ground level, Earth plate shall be connected with double bolts, nuts, check nuts & washers, to & including 32x6 mm galvanized iron strip as earth lead, extended upto 7.5 m 'or' upto test terminal point, drawn through 40mm dia med. gr. GI pipe for protection of galvanized iron strip in the ground, further connecting with suitable size of earth strip to LT Panel / DG Set etc., including excavation, earth work, 15cm thick of magnesium sulphate and charcoal in alternate layers on all sides sorrounding the earth plate, 20cm layer of bentonite clay mixed with 4parts of water all as specified, PCC chamber, RCC cover slab, watering pipe 20mm dia bore med. grade, wire net, funnel etc. & testing on completion all as specified in plate No.3 of SSR Pt-I, including breaking and removing the old unserviceable earth materials complete all as specified and as directed. NOTE: GI Pipe for protection of earthing strip and earth strip beyond 7.5m shall be measured and paid seperately under relevant items.

M&L providing PCC 1:3:6, type C-1 (using 20mm graded stone aggregate) as in thrust block to pipe etc complete all as specified and as directed.

CHANDRAKANTH ENTERPRISES

diesel power services (a.p)

K LAKSHMAN SINGH AND CO

POWER CONSTRUCTION COMPANY