Annual Repairs and maintenance works at BSC Dowleswaram for the year 2025 26 Sub Head Restoration of 3 phase power supply to Gno9 and LWB Carrying out General Maintenance works such as Rectification of old light fittings providing power connection

Supplying of PVC/XLPE armoured cable with aluminium conductor 1.1 KV Grade confirming to IS 7098 (part I)1988 with upto date amendments of the following size at the site of work.

4 X 16 sqmm

3 X 6 sqmm

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 kV grade of following size on wall surface as required.

upto 35Sqmm(clamped with 1mm thick saddle)

Supplying and fixing of light class G.l. pipe of 50 mm dia. (nominal) 3 metres length along the pole/wall for protection of under ground cable as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required.

upto 35sqmm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground including excavation and refilling the trench etc as required but excluding sand cushioning and protective covering

upto 35 sq.mm

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.

4 X 16 Sqmm(28 mm)

3 X 10 Sqmm(22mm)

Supplying, installation, testing and commissioning of 1200 mm 20W LED Aluminium LTT8-20 tubelight with extruded Al body (single side connection) with in-built driver and efficacy of 100 lumens/W by fixing in the existing T8 LED box type luminaire with G13 lamp holders using necessary clamps and also dismantling the existing tube including giving connections etc. at site of work as required.(NABL certified as per ISO/IEC specification)

Supplying, installation, testing and commissioning of 40W LED well glass(clear type) made of high pressure die cast aluminium housing and fixing on truss/wall/pole with suitable clamps and nuts& bolts including connection etc as required( as per latest ISO/IEC specification)(IP66 protection luminar efficiency >105m/W, CRI>75)

Wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface / recessed medium class PVC conduit, with modular switch, modular plate, suitable GI box and earthing the point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable etc. as required.

Group C

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as required.

2 X 2.5 sq. mm + 1 X 2.5 sq. mm earth wire

Supplying and fixing 30A ,415V, TPN industrial type socket outlet with 4 pole and earth, metal enclosed plugtop along with 30A"C" curve, TPMCB, in sheet steel enclosure, on surface or in recess, with chained metal cover for the socket outlet and complete with connections, testing and commissioning etc as required

Replacement of 36W/40W LED Well glass Xitanium Driver in the existing Phillips/Crompton/Havells etc., make 40 W LED Well glass fitting including dismantling the existing fitting, checking, refixing, giving connections etc. at site of work as required.

Supply, Installation, Testing and Commissioning of ceiling fan with Brush Less Direct Current (BLDC) Motor, class of insulation: B, 3 nos. metal( Aluminium alloy) blades, 30 cm long down rod, 2 nos. canopies,shackle kit, safety rope, copper winding, steel/Al body Power Factor not less than 0.9, Service Value (CM/M/W) minimum as below, 350 RPM (tolerance as per IS : 374-2019), THD (Total Harmonic Distortion) less than 10%, suitable for operation with regulator for speed control and all remaining accessories including safety pin, nut bolts, washers, temperature rise=75 0C (max.), insulation resistance more than 2 mega ohm, suitable for 230 V, 50 Hz, single phase AC supply, Ceiling Fan compliant to IS 374:2019 fan i/c external connections with 1.5 sq.mm FRLS/HFFR, PVC insulated copper conductor single core cable and earthing etc. as required.

1200mm, service value ≥ 6.0 CM/Min/Watt, air delivery 210 CM/Min (Minimum)

Supplying, Installation, Testing & Commissioning of LED surface mounted Batten light of following body material and construction as per IS : 10322 with driver (Replaceable) as per the requirement with Driver efficiency >85%, Operating voltage AC 140- 270 Volt, frequency 50/60 hz, Operating temp range-5 °C to 40 °C, internal surge protection of 2.5 KV with Short & Open circuit protection, THD < 10%, P.F.≥0.95, IP20, CRI >80, Flicker free, (flicker should be below 5 %), life time (LED, Driver & electrical circuitry), of minimum 50000 Burning Hours with 70% of initial Lumen maintained till life ends, CCT 3000°K / 4000°K / 5700°K /6500°K (As per ANSI Bin), SDCM(Standard Deviation Colour Matching) <3, Maximum power consumptionshould not more than the specified rating and Fixture shall be of relevant BIS standard. Manufactures Word Mark/ Name Engraved/ Embossing/ Screen printing on housing. complete in all respect i/c external connections with 1.5 sq mFRLS/HFFR, PVC insulated copper conductor single core cable and earthing etc. as required with Minimum 5 year OEM warranty. System lumen efficacy ≥105 <120 lm/Watt output . LM79 & LM80 Test report and all testing required for LED fixtures as per BIS shall be submitted. Shape size and CCT shall be as approved by Engineer-inCharge as per requirement. (Thermal management: heat sink of aluminium housing such that LED junction temperature shall not rise above 90°C). Powder coated die cast /Extruded aluminium Body (Thickness > 1.20 mm)

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge. With cement mortar 1:4 (1cement: 4 fine sand)

Dismantling of pole/ street light standard/strut embedded in brick ballast foundation etc as required

Supplying and fixing following way, single pole and neutral, sheet steel, MCB distribution board, 240 V, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (But without MCB/RCCB/Isolator) [ 4 way, Double door]

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Single Pole

Single Pole and neutral

Supplying and fixing of 1000mm x 750mm size metalic frame cover fabricated with 35 mm x 35 mm x 5 mm thick angle iron welded construction frame structured and 3 mm thick M. S. sheet cover plate panel with double hinges and knobe type locking arrangement including painting, making recess in wall, masonary, plastering & finishing the good

Supplying and fixing following size/ modules, GI box alongwith modular base & cover plate for modular switches in recess etc. as [12 Module (200mmX 150mm)]

Supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc. as required.

5/6 A switch

3 pin 5/6A socket outlet

LED Street light fixture, powder coated pressure die cast aluminium body (System lumen efficacy ≥120 <135 lm/Watt) Supplying,installation, Testing & Commissioningof Street light LED fixture powder coated pressure die cast aluminium body with driver asper the requirement with Driver efficiency >85%, Input voltage: 140-270 Volt AC, frequency 50/60hz, Operating temp range -5 0C to 50 0C, internal surge protection of 5 KV L,N,E as per IEC 61000-4-5,Driver efficiency >85%,THD < 10% as per IEC 61000-3-2, P.F.≥0.95, IP-66,IK-10, CRI >70,under voltage and over voltage protection, EMIEMC As per CISPR 15 , lenses for beam angle as per IESNA type I/II/III as per the width of the road and the project requirement., suitable to fit in up to 65mm dia pipe, life time (LED, Driver & electrical circuitry) of minimum 50000 Burning Hours with 70% of initial Lumen maintained till life ends as per LM80 extrapolation IES TM-21-11 report, CCT 3000°K / 4000°K / 5700°K /6500°K (As per ANSI Bin), SDCM(Standard Deviation Colour Matching) <5, Maximum power consumption should not more than the specified rating and Fixture shall be of relevant BIS standard complete in all respect i/c external connections with 1.5 sq mm FRLS/HFFR, PVC insulated copper conductor single core cable and earthing etc. as required with Minimum 5 year OEM warranty. System lumen efficacy ≥120 <135 lm/Watt output . LM79 & LM80 Test report and all testing required for LED fixtures as per BIS shall be submitted. Shape size and CCT shall be as approved by Engineer-in-Charge as per requirement. (Thermal management: heat sink of aluminium housing such that LED junction temperature shall not rise above 90°C).[45 watt]

Supplying and drawing of 1.5 Sq.mm,three core PVC insulated and FR PVC Round Sheathed, Copper Conductor (flexible) industrial cable, 1100 Volts, conforming to IS: 694 in the existing surface/ recessed steel/ PVC conduit as required.

Supplying and fixing street light loop in loop out boxes with PVC Sintex Box of size 140mmx140mmx95mm with PVC enclosure 1 Nos. 6A SP MCB, 2/4 way strip connector i/c testing as reqd.

Supplying, installation, testing and commissioning of 24 W LED Slim Panel square (1X1) suitable for Recessed / Surface mounting made of diecast aluminum body with powder coating, acrylic diffuser with driver as per IS: 15885 (Part 2/ Sec 13) : 2012, operating voltage range of 150 to 265 Volts AC, P.F > 0.9 .etc., complete with earth connections

Supplying and fixing 20A ,240V, SPN industrial type socket outlet with 2 pole and earth, metal enclosed plugtop along with 20A"C" curve, SPMCB, in sheet steel enclosure, on surface or in recess, with chained metal cover for the socket outlet and complete with connections, testing and commissioning etc as required

Earthing with 60mm outer dia, 2 mtr length GI earthing electrode, completely filled with conductive crystalline compound ,fitted with minimum of 40x6x2000mm GI strip including 50 kgs of eco friendly maintenance free earthing compound to enhance soil conductivity and providing masonry enclosure with cover plate having locking arrangement etc at the site of work as required.

Supplying and laying 6 SWG G.I wire at 0.50 metre below ground level for conductor earth electrode, including connection/termination with GI thimble etc.as required

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required.

Providing and Making steel pole col1ar with cement concrete (1 cement : 3 coarse sand : 6 stone aggregate 20mm) of specified size and shape including form work, plastering if required, curing etc as required.(volume of pole/pipe not to be deducted)

Supplying and fixing following piano switch/ socket on the existing switch box/cover including connections etc.as required

CREDIT ITEMS

Dismantled iron electric poles

Dismantled DBs, switchgears, switchboards

Dismantled metal scrap

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