PROVISION OF TRANSFORMER FOR STN HQ AND S/BY POWER SUPPLY TO STN HQ AND LGS SEC ALONGWITH ALLIED SERVICES AT AFS BEGUMPET

Amount

Excavation in trenches not exceeding 1.5 m in wide and not exceeding 1.5m in depth for errection of pole/laying of cables / GI pipe and getting out in the soft/loose soil of soil complete all as specified and as directed.

All as per item No 1 above, but exceeding 1.5 Mtr in depth.

Excavating in post holes (or similar holes) each not exc 0.5 cum, getting out in any type of soil, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm complete all as specified and directed

Surface excavating n.exe30 cm deep and ave 15 cm deep and getting out any type of soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cms complete all as specified and as directed.

Removing excavated soil to a distance not exceeding 50m and depositing where directed at a level not exc. 1.5m above the starting point complete all as specified and as directed.

Supply and spreading clean, fine, dry river sand in trenches for cushioning of under ground cable / inside transformer yard complete all as specified and directed by Engineer-in-Charge.

M&L for Precast concrete cable covers , class HV, type 1, flat, size 300 mm x 180 mm x 40 mm for cable protection complete as specified and as directed.

Supply and lay common burnt clay building bricks sub class 'B' laid in trenches as protection to cables complete all as specified and as directed.

M&L for Plain cement concrete 1:4:8 type D-2 using 40mm graded stone aggregate in foundation of steel poles/struts as specified including necessary form work all as specified and as directed.

M&L for cement concrete (1:2:4) type B1 with 20 mm graded aggegate for coping including form work and finishing to all exposed surfaces by using extra cement all as directed.

M&L for Road cutting / Hard Standing for laying of LT UG Cable upto a depth of 15cm and Repair the excavated portion of Road as existing or by providing suitable mixture of PCC as directed by Engineer-in-Charge at site.

M&L for 100mm bore galvanized iron light grade pipe for cable protection complete with all fittings fixed to wall or laid in floor/road crossing or on pole, complete all as specified and directed

M&L for 50 mm bore galvanized iron light grade pipe for cable protection complete with all fittings fixed to wall or laid in floor/road crossing or on pole, complete all as specified and directed

Supply and lay XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with stranded aluminium conductor 11000 (Earthed) volts grade, of size 3 core 95 Sq mm. complete all as specified and as directed

Supply & Laying LT UG Cables , XLPE insulated heavy duty electric cables with aluminium conductor, 1100 volts grade, of 240Sqmm, 3.5 Core, laid in trenches/ducts, fixed on wall/inside panel, drawn through pipe including cable glands and cable lugs for conecting up with control gear complete all as specified and directed.

All as per item No 16 above, but of size 10 Sqmm, 4 Core.

All as per item No 16 here-in-before, but of size 25 Sqmm, 3.5 core.

M&L for Cable termination 11 KV HT ( Cold Shrinkable) cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for, XLPE armoured aluminium conductor cable of size 95 Sq mm 3 Core complete all as specified and as directed.

Supply, errection, testing and commissioning of Transformer outdoor type capacity 200 KVA, 3 phase, 50 Hz double wound with copper winding with mild steel tank, EEL-1(formarly EEL-2) of IS 1180 Part-I (2014), ONAN type, 11KV/433 Volts with tapping arrangement to HT side to vary secondary voltage (+) 5 % to (-) 5% in step of 2.5% on HV windings of circuit, vector group DYN-11, mounted on suitable PCC Plinth, inltial filling of unused transformer oil as per latest IS and making connection from 11 KV HT bushing to epoxy cable box including all undermentioned accessories complete all as specified and as directed all as per manufacturer's instruction complete :- MAKE : ABB/ALSTOM/GE/ SPEC/CG/INDO TECH (i) HT side terminal box - 01 No. with suitable bushings - 03 Nos (ii) LT side terminal box - 01 No with suitable bushings - 04 Nos (iii) Lifting lugs - 04 Nos (iv) Oil conservator tank with drain plug - 01 No (v) Silica Gel breather - 01 No (vi) Drain valve with plug - 01No (vii) Explosion vent - 01 No (vili) Temperature guage with for oil & winding - 01 No (ix) Earthing terminals - 02 Nos (x) Air release plug - 01 No (xi) Offload tap changer with locking facility - 01 No (xii) Oil level guage - 01 No (xiii) Rating & connection diagram plate - 01 No (xiv) Extra Bushing for neutral in the LT Cable box for providing independent set of earthing for neutral. (xv) Total loss at 50% and 100% of load of the Transformer should not be more than 780 and 2300 watt respectively.

Note : 1.Cost of PCC Plinth for mounting Transformer is deemed to be included in quoted rate. 2. PCC plinth shall be all as recommended by Transformer manufacturer/ Engr-in-Charge. 3. Necessary certification for Lab and Origin of core materials should be provided for approval.

Supply and install steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts and screws as specified for type 410 SP-55 (11.0 meter long) and including painting with two coats of aluminium paint over one coat of red oxide and black bituminous paint on the hidden surfaces in foundation including drilling of holes for fixing of "D" Iron clamp and holes for continous GI earth wire as required complete all as specified and directed.

Supply and fix Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as directed

Supply and fixing for Pin type , porcelain/polymer, vitreous, white , brown or green insulator including one galvanised mild steel spindle, two galnvanised iron wahers and one galvanised iron nut, 150 mm height,150 mm dia for 11000 volts grade complete all as specified and as directed.

M&L for switch Air break Gang operated , triple pole , mechanically operated mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 Amps 11000 Volts complete including necessary jumper with ACSR Conductor as required all as specified and as directed.

M&L for Lightning arrestors complete with all fittings, station class, discharge capacity 65 KA, 11000 Volts complete all as specified and as directed.

Supply and fix expulsion fuse (DO Fuse) single pole along with post top insulators suitable for 11000 Volts including connecting the same to the supply with necessary fixing material such as aluminium jumper , binding wire etc all as specified and directed by Engineer in charge

Supply & spreading, loose filling, stone aggregate of size 40 to 80 mm, not exceeding 15 cm in depth in sub station around the transformer, all as specified and as directed.

M&L for Earthing complete with galvanized steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to galvanized earth strip of size 32.x 6 mm as earth lead, by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No 3 of SSR Part -I , connected to earth testing point including necessary excavation, earth work, PCC pit ,RCC cover, funnel ,watering pipe etc, complete all as specified and as directed.

Supplying, Installation, testing and commissioning of Automatic Power Factor correction Panel (APFC), outdoor type of capacity 80KVAR, 250Amps MCCB FP as incomer, suitable for 3 phase, 415V, 50Hz System, outdoor type, factory fabricated with 3.15 mm thick CRCA Sheet with inspection doors at front and rear side, Auto/Manual Power Factor corrector, necessary locking arrangements, suitable opening for vent and cable entry, APFC Panel board duly pretreated and powder coated finish with angle iron of size 50 x 50 x 5 mm thick, floor mounted type with mild steel angle base frame supports grouted in PCC base inclusive of PCC and earth work complete and comprising of the following for achieving 0.99 power factor all as specified and as direced, :- Make : L&T/GEC/Siemens/ABB (a) Aluminium Bus Bars TPN of suitable capacity -01 Set ( 3 Nos for Phase +1 No for neutral) (b) MCCB FP of capacity 250Amps, 35KA with adjustable thermal and magnetic setting adjustable - 01 No (c) Metalised Polypropylene capacitor (MPP) Heavy duty, 80 KVAR ( 2 X 25KVAR + 2 x 10 KVAR + 2 x 5 KVAR) (d) Suitable Back up protection for each capacitor bank operating input voltage 415 Volts + 15% , 50 Hz with suitable capacity MCB/MCCB/Contactors /HRC Fuse link with bases and APFC Relay.

Supply, install test and commission LT Panel board, TPN 415 Volts, 50 Hz, 400 Amps capacity aluminium busbar 04 Nos, out door cubical type floor mounted,CPRI approved, factory made,totally enclosed, double door at front & rear side inclusive of necessary locking arrangement, dust and vermin proof, suitable opening for vent and cable entry, Spare terrminal for MCCB - 02 Nos, fabricated out of CRCA sheet 3mm thick duly powder coated fixed on angle iron pedestal of size 50x50x3 mm thick with cable chamber for incoming and outgoing connections with suitable glands and lugs comprising for the following accessories including necessary PCC foundation and grouted with suitable nut, bolts, washers etc to the MC pedestal and connecting all incoming and out going cables all as specified and directed :- (a) INCOMING:- MCCB 4 Pole, 400 Amps, breaking capacity of 36 KA (ATFM) , - 1 No (b) OUTGOINGS:- (i) MCCB 4 Pole 200 Amps, breaking capacity of 25/27 KA(ATFM) - 2 Nos (ii) MCCB, 4 pole 100 Amps, breaking capacity of 25KA, - 02 Nos (c) Aluminium busbar for phase and neutral duly insulated with PVC sleeves RYB, mounted on heavy duty epoxy insulators in separate compartment - 01 Set (d) Digital multi function panel meter for measuring voltage, Amps and Frequency with suitable CTs and back up protection - 1 Nos (e) LED type Indication lamp 240 Volts Set of three - 1 Set

Supply and installation, testing and commissioning of silent Diesel Engine driven generating set 125 KVA/100KW, with acoustic enclosure, 415 volts, 3 phase, 4 wire engine as per IS-10001/10002 and alternator as per IS: 13364 complete with relay panel and switch gears for automatic starting on mains failure, control panel having metre and sound proof canopy as per CPCB- II Norms and foundations etc, developing 156 BHP @ 1500RPM, liquid cooled, electric start coupled alternator as per IS:13364 mounted on a common base frame with standard control panel for automatic starting on main control panel having meters, sound proof canopy, with the following provisions for DG Set complete all as specified and directed. Make : Kirloskar Green /Cummins India Ltd/ Greaves Ltd

(a) Diesel Engine : The engine shall be multi cylinder four stroke, 1500 RPM, Radiator water / coolent cooled, turbo charged complete with instrument panel, electronic governer, starting battery with lead, exhaust pipe and silencer pipe with suitable insulation by glass wool aluminium cladding, safety devices and other standard fittings etc complete as per IS-10000 Part -II (1980) and BHP suitable to the governer as specified.

(b) Alternator : The alternator should be desined for an output of 125 KVA continuous rating at 0.8 PF conforming to IS-4722 or BS-2613, for 1500 RPM including self exiting and self regulating control panel with accessories brush less design, electirc supply terminal box with gland earth terminal etc complete all as specified.

(c) Fuel Tank: The fuel tank shall be mild steel suitable to hold fuel for not less than 12 hours running capacity and shall be including fuel level indicator, fuel line from tank to the engine etc complete all as specified

(c) Generator monitoring panel - comprising of all standard items as mentioned under this schedule or as per standard practice of manufacturer, ignition key switch, start/stop arrangement indication for engine parameters, hour run meter, RPM meter, engine oil pressure indication, water/coolant temparature indication, battery volts display, annunciation with indication lamps for low lube oil pressure, high water temperature, engine over speed, battery low voltage complete.

(d) AMF Microprocessor operated control unit of suitable capacity for automatic operation of DG set and power contactors. Make : Legrand, havell or equivalent. This control unit shall be installed on floor/ wall mounting, in generator monitoring panel or in AMF panel as per manufacturers recommendations.

(i) MCCB 415V. 3 phase 200 Amps adjustable, 35 KA-02 (one for main supply & one for DG set supply) (ii) Suitable Power contactor four pole - 02 Nos (one for main supply and one for DG set supply) (iii) Copper bus bar TPN 200 Amps - 01 set (iv) Suitable battery charging unit -01 No (v) DIgital multifunction meter for display of voltage, current, frequency, KVA, KW, KWH and PF. (vi) Electronic hooter (vii) Indication lamp for main ON, load mains, DG set ON, load on DG set, Battery DC supply ON. (viii) Voltmeter and ammeter for battery charging. (ix) Suitable for MCBs for control circuit. (x) Supply and lay control cable LT 1100 volts PVC insulted armoured heavy duty copper conductor of suitable size multicore (from DG set monitoring panel to AMF panel) (xi) Rubber matting of LV grand 19mm thick of suitable size chequered.

(e) Battery: Suitable maintenance free battery with leads and terminals as per OEM recommendations

(f) Civil Works: All civil works including PCC Platform and foundation suitable for installation of DG Set along with anti vibration pad. The depth of foundation and PCC shall be as recommended by the manifactureres. Rate quoted is deemed to inclusive for this provision.

Supply and installation, testing and commissioning of silent Diesel Engine driven generating set 40 KVA/32KW, with acoustic enclosure, 415 volts, 3 phase, 4 wire engine as per IS-10001/10002 and alternator as per IS: 13364 complete with relay panel and switch gears for automatic starting on mains failure, control panel having metre and sound proof canopy as per CPCB- II Norms and foundations etc, developing 56 BHP @ 1500RPM, liquid cooled, electric start coupled alternator as per IS:13364 mounted on a common base frame with standard control panel for automatic starting on main control panel having meters, sound proof canopy, with the following provisions for DG Set complete all as specified and directed. Make : Kirloskar Green /Cummins India Ltd/ Greaves Ltd

(a) Diesel Engine : The engine shall be multi cylinder four stroke, 1500 RPM, Radiator water / coolent cooled, turbo charged complete with instrument panel, electronic governer, starting battery with lead, exhaust pipe and silencer pipe with suitable insulation by glass wool aluminium cladding, safety devices and other standard fittings etc complete as per IS-10000 Part -II (1980) and BHP suitable to the governer as specified.

(b) Alternator : The alternator should be desined for an output of 40 KVA continuous rating at 0.8 PF conforming to IS-4722 or BS-2613, for 1500 RPM including self exiting and self regulating control panel with accessories brush less design, electirc supply terminal box with gland earth terminal etc complete all as specified.

(c) Fuel Tank: The fuel tank shall be mild steel suitable to hold fuel for not less than 12 hours running capacity and shall be including fuel level indicator, fuel line from tank to the engine etc complete all as specified

(c) Generator monitoring panel - comprising of all standard items as mentioned under this schedule or as per standard practice of manufacture, ignition key switch, start/stop arrangement indication for engine parameters, hour run meter, RPM meter, engine oil pressure indication, water/coolant temparature indication, battery volts display, annunciation with indication lamps for, low lube oil pressure, high water temperature, engine over speed, battery low voltage complete.

(d) AMF Microprocessor operated control unit of suitable capacity for automatic operation of DG set and power contactors. Make : Legrand, havell or equivalent. This control unit shall be installed on floor/ wall mounting, in generator monitoring panel or in AMF panel as per manufacturers recommendations.

(ii) MCCB 415V. 3 phase 100 Amps adjustable, 35 KA-02 (one for main supply & one for DG set supply) (III) Suitable Power contactor four pole - 02 Nos (one for main supply and one for DG set supply) (iv) Copper bus bar TPN 100 Amps - 01 set (v) Suitable battery charging unit -01 No (vi) DIgital multifunction meter for display of voltage, current, frequency, KVA, KW, KWH and PF. (vii) Electronic hooter (viii) Indication lamp for main ON, load mains, DG set ON, load on DG set, Battery DC supply ON. (ix) Voltmeter and ammeter for battery charging. (x) Suitable for MCBs for control circuit. (xi) Supply and lay control cable LT 1100 volts PVC insulted armoured heavy duty copper conductor of suitable size multicore (from DG set monitoring panel to AMF panel) (xii) Rubber matting of LV grand 19mm thick of suitable size chequered.

(e) Battery: Suitable maintenance free battery with leads and terminals as per OEM recommendations

(f) Civil Work - All civil works including PCC platform and foundation suitable for installation of DG set alongwith anti vibration pad. The depth of foundation & PCC shall be as recommended by the manufactures. Rate quoted is deemed to be inclusive for this provision.

Notes for item No 31 & 32 : (i) LT UG cable for connection between generator and AMF panel will be masured and paid seperatly. (ii) Diesel, grease, engine oil etc required for commissioning and testing shall be supplied by the contractor and cost deemed to be included in the above offer. Testing shall be carried out as specfied in particular specifications. (iii) DG Set shall be provided with suitable size of acoustic enclosure provided with inside ilumination with LED fitting, the enclosure is duly epoxy coated and sound insulation to reduce noise level as per guide of Central Pollution Control Board or least CPCB norms and OEM specification & approved by Nodal agency, cost of same deemed to included in the qouted rate.

M&L for Cement concrete (1:2:4) type B-2 in foundations, filling and mass concrete complete all as specified and directed

M&F for mild Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes Fe 410-W (Gde-E-250 quality-A) conforming to I. S.1161- 1979 grade St.-240 complete all as specified and as directed.

M&L M S Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment complete all as specified and directed

S&F Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, exc 5cm but not exc 10cm long complete all as specified and directed

S & F Pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm of an colour having tensile strength of 550Mpa as in roof covering/cladding to wall, fixed with self tapping screws all as specified and directed.

S&F Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed

M&L for Preparation of new previously untreated steel surfaces of any description over 10cm in width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of Red oxide, zinc chrome primer complete all as specified and directed

M&L for Broken stone or boulders hardcore of gauge n exc. 63mm, deposited, spread and levelled in layers n exc. 15cm thick, watered and rammed to a true surface complete all as specified and as directed.

M&L for PCC (1:4:8) type D2 (using 40 mm graded stone aggregate) of 75mm thick as in Sub-floors, Sub-bases, Floors, plinth protection and Pavings, etc., complete all as specified and as directed.

M&L for Cement concrete type B-1, 1:2:4 (using 20mm graded aggregate) of 50 mm thick as in floor finishes, complete all as specified and as directed.

M&L Cement concrete type C-2, 1:3:6 (using 40mm graded aggregate) as in foundations, filling and mass concrete complete all as specified and as directed.

M&L for Forming 12mm thick 100 deep Expansion joints filled with pre-formed bituminous filler and top 30mm primed and sealed with sealing compound, Grade ‘A’ complete all as specified and directed

M&L for 75 mm thick Cement concrete type C-2, 1:3:6 (40mm graded aggregate) as in Sub-floors, Sub-bases, Floors, plinth protection and Pavings, etc., all as specified and as directed.

AKSHITA ELECTRICAL

Srinivasa Consructions