Tirumala Tirupati Devasthanams Tender

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Tirumala Tirupati Devasthanams Tender

Electrical Generators And Transformers

Electrical and Electronics

Chittoor, Andhra Pradesh

Opening Date1 Dec 2022

Closing Date16 Dec 2022

Tender Amount₹ 54,21,951

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Tender Id
570580
Bid Award Id
View
Tender No
42/SE(Elec)/TTD/TPT/2022-23
Tender Authority
Tirumala Tirupati Devasthanams View
Purchaser Address
-
Website
http://tender.apeprocurement.gov.in

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Providing 500kVA Transformer;INCOMER 1 No.

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Providing 500kVA Transformer;each comprising the following

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Providing 500kVA Transformer;1 No. 800 Amp. VCB. 26.3KA

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Providing 500kVA Transformer;1 No. Integral Earth switch for line side earthing

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Providing 500kVA Transformer;3 No. dual core CTs 600A/1/1A of 7.5VA burden max and accuracy Class 0.5 for metering and class 5P10 for protection

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Providing 500kVA Transformer;3No. Cast Resin 11000V/v3/110V/v3/110V/v3 PT Class 0.5/3P accuracy and 30VA burden max with and protection fuses / MCB.

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Providing 500kVA Transformer;1 No. Digital voltmeter with selector switch.

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Providing 500kVA Transformer;1 No. Digital Ammeter with selector switch.

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Providing 500kVA Transformer;1 No. Microprocessor based numerical relays with O/L, E/F and S/C protection with Integrated Arc sensing feature along with trip/lockout / anti pumping / aux. relays.

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Providing 500kVA Transformer;1 No. Multi-function meter.

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Providing 500kVA Transformer;Set of MCBs for Panel AC/DC

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Providing 500kVA Transformer;Set of MCBs for Main AC/DC

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Providing 500kVA Transformer;Set of Indication lamps LED types

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Providing 500kVA Transformer;TNC Switch, L-R Switch, Pushbuttons for ON-OFF

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Providing 500kVA Transformer;OUTGOING 2 Nos.

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Providing 500kVA Transformer;Each comprising the following

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Providing 500kVA Transformer;1 No. 800 Amp. VCB. 26.3KA

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Providing 500kVA Transformer;1 No. Integral Earth switch for line side earthing

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Providing 500kVA Transformer;3 No. dual core CTs 600A/1/1A of 7.5VA burden max and accuracy Class 0.5 for metering and class 5P10 for protection

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Providing 500kVA Transformer;3No. Cast Resin 11000V/v3/110V/v3/110V/v3 PT Class 0.5/3P accuracy and 30VA burden max with and protection fuses / MCB.

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Providing 500kVA Transformer;1 No. Digital voltmeter with selector switch.

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Providing 500kVA Transformer;1 No. Digital Ammeter with selector switch.

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Providing 500kVA Transformer;1 No. Microprocessor based numerical relays with O/L, E/F and S/C protection with Integrated Arc sensing feature along with trip/lockout / anti pumping / aux. relays.

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Providing 500kVA Transformer;1 No. Multi-function meter.

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Providing 500kVA Transformer;Set of MCBs for Panel AC/DC

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Providing 500kVA Transformer;Set of MCBs for Main AC/DC

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Providing 500kVA Transformer;Set of Indication lamps LED types

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Providing 500kVA Transformer;TNC Switch, L-R Switch, Pushbuttons for ON-OFF

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Providing 500kVA Transformer;Supply, Transportation, Installation, Testing and Commissioning of 500 KVA copper wound Transformer with all test reports. The Transformer shall be designed and manufactured as per Energy Efficiency Level - 2 at basic Insulation level conforming to ISS 2026 (Part- I to Part - II) with latest ammended, and as per IS 1180 Part-I: 2014 latest ammended, OCTC with initial filling of oil as per IS 335-1993. The basic details of the Transformer are as under.

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Amount 1625710.78

Providing 500kVA Transformer;Make: Schneider / Kirloskar / Voltamp / Esennar / Toshiba / KPEL / Powertec / SSE / THOTA / Vajra

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Providing 500kVA Transformer;1. Quantity : 1

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Providing 500kVA Transformer;2. Rated KVA : 500 KVA

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Providing 500kVA Transformer;3. Service & Location: Continuous Outdoor Distribution Transformer

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Providing 500kVA Transformer;4. Mounting : Plinth

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Providing 500kVA Transformer;5. Wound : Copper Double wound

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Providing 500kVA Transformer;6. Type : Core type oil immersed

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Providing 500kVA Transformer;7. Cooling : ONAN

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Providing 500kVA Transformer;8. Temp Rise : 40°C in oil, 45°C by resistance

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Providing 500kVA Transformer;9. Vector Group: Dyn 11

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Providing 500kVA Transformer;10. Primary Connection : Delta

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Providing 500kVA Transformer;11. Primary Voltage / rated Current : 11000V, 26.24A

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Providing 500kVA Transformer;12. Highest system Voltage: 12000V

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Providing 500kVA Transformer;13. Primary Frequency :50 HZ +/- 3%

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Providing 500kVA Transformer;14. Number of Phases : 3

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Providing 500kVA Transformer;15. Primary wires: 3

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Providing 500kVA Transformer;16. Secondary connection : Star

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Providing 500kVA Transformer;17. Secondary Volts / rated Current : 433V, 666.71A

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Providing 500kVA Transformer;18. Secondary phases : 3

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Providing 500kVA Transformer;19. Secondary wires: 4

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Providing 500kVA Transformer;20. Taps on primary winding for primary voltage variation : +5% to -10% in steps of 2.5% of 7 position (6 Steps)

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Providing 500kVA Transformer;21. Terminal arrangement. a.HV: HT terminal box as per the sitecondition.

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Providing 500kVA Transformer;b. LV: Cable box suitable to receive 300 Sq.mm XLPE cable

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Providing 500kVA Transformer;22. LV:One separate terminal for earthing.

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Providing 500kVA Transformer;23. Total Losses at 50% Loading [Watts] [Max] : 1510 watts

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Providing 500kVA Transformer;24. Total Losses at 100% Loading [Watts] [Max] : 4300 watts

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Providing 500kVA Transformer;25. Impedance (Z%) (Subject to IS Tolerance) : HV-LV 4.5%

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Providing 500kVA Transformer;26. No Load current: Less than 2% of full load current.

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Providing 500kVA Transformer;27. Standard Fittings & Accessories.

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Providing 500kVA Transformer;a. Rating and terminal marking plate: One

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Providing 500kVA Transformer;b. Lifting Lugs: Two

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Providing 500kVA Transformer;c. Off-circuit tap switch :One

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Providing 500kVA Transformer;d. Earthing Terminals :Two

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Providing 500kVA Transformer;e. Radiators ( Attachable):Adequate

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Providing 500kVA Transformer;f. Explosion vent with Diaphragm :One

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Providing 500kVA Transformer;g. Conservator with Drain plug: one

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Providing 500kVA Transformer;h. Oil filling hole with cap :One

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Providing 500kVA Transformer;i. Oil level indicator : One

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Providing 500kVA Transformer;j. Dehydrating Silica gel Breather : One

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Providing 500kVA Transformer;k. Terminal Arrangement: HV With Terminal Box

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Providing 500kVA Transformer;l. Terminal Arrangement : LV Cable Box

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Providing 500kVA Transformer;m. Separate Neutral Bushing : One

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Providing 500kVA Transformer;n. Drain cum filter valve with blanking plate: One

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Providing 500kVA Transformer;o. Air release device : One

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Providing 500kVA Transformer;p. Thermometer Pocket : One

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Providing 500kVA Transformer;q. Four :Unidirectional flat rollers

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Providing 500kVA Transformer;r. One :10Cm dial thermometer (Rigid stem type)

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Providing 500kVA Transformer;Supply and Transportation of 3C x 185 sq.mm XLPE insulated IS:7098 / II / 85 H.T. cable for working voltage 11 K.V Earthed with Stranded Compacted Circular Aluminium Conductor Screened with Extruded Semi-conducting compound, XLPE Insulated Screened with extruded semi-conducting compound in combination with Copper Tape, cores laid up, inner sheath of Thermoplastic tape, galvanised flat steel strip armoured and overall Extruded PVC Type ST- 2 Outer Sheathed cable etc complete.

Quantity290

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Amount 653900.7

Providing 500kVA Transformer;Make: Torrent / Universal / Unicab / Havells / KEI / Polycab / Gloster / RR Kabel / RPG

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Providing 500kVA Transformer;Laying of U.G cables from 185 Sq.mm to 400 Sq.mm through existing HDPE / G.I.Pipe and back filling of trench including labour charges etc., complete. (Excluding the cost of HDPE / G.I Pipe)

Quantity290

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Amount 22570.7

Providing 500kVA Transformer;Supply, Laying and Transportation of Outer dia 160mm and inner dia 136mm, 6Kg/Sq.Cm (PE- 100 grade) double walled corrugated HDPE duct made as per specification BSEN - 500 86/IS 14930 Part-II. Make: DURA LINE (Dura Guard) or its equivalent make.

Quantity270

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Amount 112214.7

Providing 500kVA Transformer;Supply and fixing of LT cable route indicators made out of cast iron fixed to one meter long 1''x1''x1/4'' MS angle 4'' bent at one end buried in the ground and the other end fixed with G.I. bolts and nuts to the cable route indicators as directed during execution.

Quantity100

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Amount 50285

Providing 500kVA Transformer;Supply and Making heat shrinkable type indoor terminations / joint kit of approved make suitable for XLPE insulated 11 KV cable, with required components, preparation of cable ends, testing etc. as required up to 3 core 120 / 150 / 185 Sq.mm sizes.

Quantity5

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Amount 50589.15

Providing 500kVA Transformer; Makes: Raychem /M seal / Denson / Multy / Transeal- Hongshang

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Providing 500kVA Transformer;Supply and Making heat shrinkable type outdoor terminations / joint kit of approved make suitable for XLPE insulated 11 KV cable, with required components, prepration of cable ends, testing etc. as required of 3 core 120 / 150 / 185 Sq.mm sizes.

Quantity1

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Amount 13688.82

Providing 500kVA Transformer; Makes: Raychem / M seal / Denson / Multy / Transeal- Hongshang

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Providing 500kVA Transformer;Earth Work excavation for trench for laying of U.G. Cable in ordinary Soils, manual means to the required width and depth and depositing the same on bank as directed during execution etc., complete .

Quantity87

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Amount 20642.49

Providing 500kVA Transformer;Earth Work excavation for trench for laying of U.G. Cable in ordinary rock (not requiring blasting) to the required width and depth and depositing the same on bank as directed during execution etc., complete .

Quantity87

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Amount 29489.52

Providing 500kVA Transformer;Cutting open BT road surface (As well as Asphalt concrete up to 75 mm thick) including water bound macadam.

Quantity8

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Amount 900.08

Providing 500kVA Transformer;Cutting open cement concrete road

Quantity8

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Amount 27479.68

Providing 500kVA Transformer;Cement concrete using 20mm HBG metal in CC (1:3:6) laid in Layers of not more than 15cms thick well compacted including curing cost and conveyance of materials etc., complete

Quantity5

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Amount 22482.55

Providing 500kVA Transformer;Plastering in CM (1:6) with 12mm thick using river sand including curing, conveyance of materials etc.,

Quantity8

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Amount 1746.24

Providing 500kVA Transformer;Preparation of HT Electrical Drawings Laisioning and Drawing approvals fees and arrange inspection with statutory approvals from AP Electrical Inspectorate including drawing approvals fees and inspection fees as per site condition with IE Rules

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Amount 60000

Providing 500kVA Transformer;As per IER with approvals from AP Electrical Inspectorate

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Providing 500kVA Transformer;1. Site Plan

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Providing 500kVA Transformer;2. 500KVA Transformer

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Providing 500kVA Transformer;3. Schematic circuit diagram

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Providing 500kVA Transformer;4. Equipment Layout (Electrical)

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Providing 500kVA Transformer;As directed during execution of work by site Engineer

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Providing 500kVA Transformer;Providing transformer plinth 1.2 x 1.2 x 1.5 mtr in size with necessary excavation in ground at the bottom with 150mm thick 1:2:4 cement concrete raft at the bottom and top and 225mm thick wall constructed in stone masonry and remaking hallow portion shall be filled with stone chips duly plastered 20mm thick outsides including watering etc., complete.

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Amount 22673

Providing 500kVA Transformer;HB Stone of Granite, Trap and Dolerite free from dust obtaining by quarrying, wedging, Breaking, Burning and splitting including stacking.

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Providing 500kVA Transformer;Aggregates 20mm nominal size (SS5) (M-053)

Quantity90

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Amount 168734.7

Providing 500kVA Transformer;Aggregates 40mm nominal size (SS5) (M-055)

Quantity90

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Amount 114660

Providing 500kVA Transformer;Quarry Rubbish (35a)

Quantity120

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Amount 46056

Providing 500kVA Transformer;Removing the existing transformer from the plinth / Pole and refixing the standby transformer of following capacity including connections etc., complete

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Providing 500kVA Transformer;up to 315 KVA

Quantity1

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Amount 3967.78

Providing 500kVA Transformer;Supply and placing of M 25 Design Mix Concrete corresponding to IS 456 using concrete mixer using of 20 mm HBG crushed metal 0.530 cu.m (707 kgs),. 10 mm HBG crushed metal, 0.362 cu.m (471 kgs) , sand 0.407 cu.m (616 kgs.) and cement 380 kgs with water cement ratio of 0.48 ( 182.40 ltrs / cu.m of CC) etc., to site and including sales & other taxes on all materials including all operational, incidental and labour charges such as machine mixing, vibrating, laying concrete, curing etc., complete with cement from standard suppliers approved by the department but excluding cost of centering, shuttering charges and excluding cost of steel and its fabrication charges for finished item of work (APSS No. 402) - RCC SLABS, BEAMS

Quantity8

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Amount 44468.56

Providing 500kVA Transformer;Manufacture, supply and delivery of R.C.C Socket and Spigot pipes conforming to B.I.S 458 / 2003 (Rate per meter of effective length).

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Providing 500kVA Transformer;NP-3 CLASS 300mm Dia

Quantity20

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Amount 24600.2

Providing 500kVA Transformer;Conveyance of R.C.C Socket and Spigot pipes on all weather roads including loading, unloading and stacking (per metre of effective length). NP - 3 & NP 4 CLASS

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Providing 500kVA Transformer;300mm Dia

Quantity20

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Amount 1360

Providing 500kVA Transformer;Providing of Independent Earthing as per IS 3043 of 1987 with Copper Plate of 600 mm X 600 mm X 3.15 mm thick of Electrolytic grade burried the top of the plate below 2 M from ground level after excavating an Earth pit of 1.5 x 0.9 x 2.55 m (Top 1.50m X 0.90m X 0.90m) and Bottom (1.20mX 0.90m X1.65 m) rigidly fixed to 40 mm dia GI pipe of 2 m long with 3 Nos. of 25 mm X 6 mm Clamps with suitable bolts, & nuts. 2 Nos. of 25 mm X 6 mm Copper Flats of 2 M long are to be fixed with brass bolts & nuts and brazed at bottom side to the copper plate on either side of the GI pipe. A concrete bed of size 0.8 M X 0.8 M X 0.10 M thick and an inspection chamber having inside measurements of 0.4m X0.4 m X 0.4 m with wall thickness of 100 mm with cement concrete CC (1:2.5:5) using 20 mm HBG Metal is to be constructed with side wall 100 mm above ground level and plastering the exposed walls neatly with CM (1:3) with 12 mm thick.

Quantity4

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Amount 69707.16

Providing 500kVA Transformer;The Top of the inspection chamber is to be provided with reinforced precasted RCC slab with 40 mm thick with lifiting hook. The top of the 40 mm dia GI pipe is welded with reducer and 0.3 M, 20 mm dia GI pipe. the top of the 20 mm GI pipe is to be fixed with funned & wiremesh. The top of the 25 X 6 mm copper flats are to be fixed with brass bolts, nuts, washers & brazed with 0.2 M of 50 X 6 mm copper flat across and the same is to be fixed with suitable GI strip to the 40 mm GI pipe. The Entire set is to be placed in the Earth pit, the mixture of 40 Kgs of Hardcoke / charcoal, 20 Kgs of salt, & sand is spread around the copper plate and around to the 40 mm GI pipe and the remaining is to be back filled. consilidation / settlement of filled eath pit is to be done by filling water.

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Providing 500kVA Transformer;After giving earth connections to the 50 X 6 mm copper flat with brass bolts, nuts & washers. A pre- casted RCC slab cover with 50 mm thick with lifting hook is to be provided on top of the Earth pit. The rate includes cost and conveyance of all materials, labour charges, incidental charges etc., complete. (Note: Necessary meggaring testing is to be done in the presence of the concerned Engineers, and the reading should be as per IE standards)

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Providing 500kVA Transformer;Providing earthing as per IS 3043/ 1987 with 100mm (ID), 13mm thick C.I. Pipe of 3.0 mtr. length after excavating an earth pit of size1.5 m X 0.9 M X 3.00M (Top 1.50 m X 1.20 m X 0.9m & bottom 1.20 M X 1.20 M X 1.65 M) and filling with a homogenous layer of 40 Kgs. of Coke / Char Coal, 20 Kgs. of Salt and the required quantity of sand around 100mm pipe from the bottom of the pipe to a height of 2.7mtr. and filling the remaining excavated portion with earth and consolidation / Settlement of the trench should be done by filling with sufficient quantity of water. A concrete bed of size 0.8 M X 0.8 M X 0.1 M thick and an inspection chamber having inside measurements of 0.4 M X0.4 M X 0.4 M with wall thickness of 100 mm with cement concrete CC (1:2.5:5) using 20 mm HBG Metal is to be constructed with side wall 100 mm above ground level and plastering the exposed walls neatly with CM (1:3) with 12 mm thick.

Quantity6

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Amount 53900.82

Providing 500kVA Transformer;The Top of the Inspection Chamber is to be provided with reinforced precasted RCC Slab with 40mm thick with lifting hook. The top of C.I. Pipe is to be fixed & welded with suitable G.I. Wire mesh funnel 50mm x 6mm G.I. Strip having length of 300mm is to be fixed to the top of C.I. Pipe with G.I. Clamps fabricated with 50 x 3mm G.I. Flats with necessary bolts and nuts and necessary welding to be done to the clamps and C.I. Pipe. 2 Nos. of holes are to be drilled on either side of G.I. Flat for Extending earth connections. 65mm dia PVC Pipe is to be embedded at the pit entry for earth.

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Providing 500kVA Transformer;After laying earth from earth conductor bus to Electrode trough PVC Pipe, the surface should be covered with bitumen and grease. The cost of GI/Copper flat to be run from CI Pipe electrode to the equipment is to be made separately on running meter basis. The work shall be executed strictly as per IS 3043 - 1987. The rate includes cost and conveyance of all materials, labour charges, incidental charges etc., complete (Note:- Necessary meggaring testing is to be carried out in the presence of concerned Engineers and measurement of resistance shall be as per ISI standards)

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Providing 500kVA Transformer;Supply and run of 50mm X 6mm G.I Strip for earth electrode to required places by concealing in walls, flooring by cutting the grooves and replastering neatly and giving necessary connection with 3/8"x2" GI Bolts, Nuts and Washers wherever joints has to be done, the strip has to be either riveted (or) bolted (or) gas welding neatly and all labour charges etc., complete.

Quantity60

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Amount 14241.6

Providing 500kVA Transformer;Supply and run of 50mm X 6mm G.I Strip for earth electrode to required places on Surface of walls, flooring including cost of all accessories and giving necessary connection with 3/8"x2" GI Bolts, Nuts and Washers wherever joints has to be done, the strip has to be either riveted (or) bolted (or) gas welding neatly and all labour charges etc., complete.

Quantity60

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Amount 13556.4

Providing 500kVA Transformer;Supply and run of 50 mm x 6 mm copper strip for earth electrode to required places by concealing in walls, flooring by cutting the grooves and replastering neatly and giving necessary connection with 3/8"x2" Brass Bolts, Nuts and Washers wherever joints has to be done, the strip has to be either riveted (or) bolted (or) gas welding neatly and all labour charges etc., complete.

Quantity40

Rate-

Amount 79590.4

Providing 500kVA Transformer;Supply and run of 50mm X 6mm Copper Strip for earth electrode to required places by Surface on walls, flooring including cost of all accessories and giving necessary connection with 3/8"x2" Brass Bolts, Nuts and Washers wherever joints has to be done, the strip has to be either riveted (or) bolted (or) gas welding neatly and all labour charges etc., complete.

Quantity40

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Amount 79133.2

Providing 500kVA Transformer;M S channels

Quantity100

Rate-

Amount 6200

Providing 500kVA Transformer;Labour charges for fabricating steel works like windows grils, compound wall grils, iron doors, windows including cost of welding rods, power chargers, excluding cost of fixing in position.

Quantity100

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Amount 3752

Providing 500kVA Transformer;Supply and transportation of 300 Sq.mm 3 1/2 core LT XLPE insulated, 1100V grade armoured Aluminium UG cable as per specification confirming to IS:7098 (Part-I) / 1554-1.

Quantity100

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Amount 158711

Providing 500kVA Transformer;Grade-A: Make: Torent / Universal / Unistar / Havells / KEI / Gloster / Polycab / RR Kabel / Finolex.

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Providing 500kVA Transformer;Laying of U.G cables size from 185 Sq.mm to 400 sq.mm and back filling of trench including labour charges etc., complete.

Quantity100

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Amount 6732

Providing 500kVA Transformer;Supply and making end termination with heavy Alluminium lugs (pin / ring type) for 300 Sq.mm cable as per IS specification duly crimped with crimping tool, PVC tape etc., complete. Make: Dowels / Jainson / Comet.

Quantity18

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Amount 2040.66

Providing 500kVA Transformer;Supply and making end termination with heavy Alluminium lugs (pin / ring type) for 150 Sq.mm cable as per IS specification duly crimped with crimping tool, PVC tape etc., complete. Make: Dowels / Jainson / Comet.

Quantity6

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Amount 306.06

Providing 500kVA Transformer;Supply and making one end termination with heavy duty single compression brass gland as per BS 6121:2005, IP 66 complete, SIBG type, heavy duty Alluminium lugs duly crimped with crimping tool, PVC tape etc for 300 Sq.mm with brass washers of Armoured PVC insulated & PVC sheathed / XLPE aluminium conductor cable of 1100 volt grade as required of size. Make: Dowels / Comet / SMI

Quantity6

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Amount 6121.74

Providing 500kVA Transformer;Note: (1) The above rates are basic prices excluding GST and applicable GST will be reimbursed / paid as per actuals on production of proof

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Providing 500kVA Transformer;(2) The bidders are requested to quote the Tender percentage excluding GST.

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Providing 500kVA Transformer;(3) Statutory deductions will be made as per norms, if applicable. Any modalities imposed on GST by the Government from time to time, the same will be implemented

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Tirumala Tirupati Devasthanams Tender