Tender For Provision Of Dedicated 33 Kva Electric Supply From Tsspdcl Sub Station At Afa Hyderabad; GENERAL SUMMARY NOTE: Schedule ‘A’ Part I to VIII are prepriced by MES under Ser No. 1 to 8. Bidders shall insert their lumpsum amount in the Green coloured field under Col-6 only. 3 Lumpsum price worked out by the contractor for “Building or Works” as listed in Schedule ‘A’Part–I 4 Lumpsum price worked out by the contractor for “Internal Water Supply” as listed in Schedule ‘A’Part–II 5 Lumpsum price worked out by the contractor for “Internal Electric Supply as listed in Schedule ‘A’Part–III 6 Lumpsum price worked out by the contractor for Path / Hardstanding as listed in Schedule ‘A’ Part - IV . 7 Lumpsum price worked out by the contractor for Sewage Disposal as listed in Schedule ‘A’ Part - V . 8 Lumpsum price worked out by the contractor for “Fencing and Gate” as listed in Schedule ‘A’ Part – VI. 9 Lumpsum price worked out by the contractor for “External Water Supply” as listed in Schedule ‘A’ Part – VII 10 Lumpsum price worked out by the contractor for “External Electric Supply” as listed in Schedule ‘A’ Part – VIII 11 Sch A Part - IX : Fittings / Fixtures & Misc items. EXTERNAL WATER SUPPLYMaterial and labour for cutting of existing GI water main of 40mm dia and inserting GI TEE of size 40x25x25mm for taking branch connection including necessary excavation and earth work complete all as specified and as directed. 12 EXTERNAL ELECTRIC SUPPLYSupply , install, testing and commissioning of outdoor type step down power transformer 2500 KVA, 33KV/11KV 3 PHASE, 50 HZ,vector group DYn11, ONAN COOLED OIL IMMERSED COPPER DOUBLE WOUNDED OUTDOOR TYPE STEP DOWN TRANSFORMER COMPLETE WITH FIRST FILLING OF IS: 335 ISI MARKED FILTERED & DEHYDRATED TRANSFORMER OIL AND OTHER STANDARD FITTINGS / ACCESSORIES AND ON LOAD TAP CHANGER (TAPPING RANGE FROM +5% TO -15% IN STEPS OF 1.25% TAP CHANGING SWITCH) on HT side to vary secondary voltage, connected internally and hand operated ON load tap changing switch with AVR & RTCC panel wall/ floor mounted, star Delta connected internally with HV coil, LV side provided with 3phase and separate neutral all directed and specified with including following: 13 (a) HT termination with Bare bushings suitable for termination of Bus piping/Pad clamps(b) LV Cable Box suitable for HT UG cable terminations.(c ) LV Neutral bushing out for external earthing(d) Lifting lugs, top cover & jacking pad(e) Earthing terminals(f) Conservator with oil filling cap and Transformer oil drain valve(g) 04 Nos Bi- directional plain/ flat rollers(h) Pressure release valve ,Explosion vent with Diaphragm(j) Thermometer pocket(k) Air vent plug(l) Cooling Radiators(m) First fill of EHV grade transformer oil(n) Buchholz relay with contacts for Alrm & Trip contacts(o) Marshalling Box with Oil Temperature and Winding Temperature including Alarm & trip contacts(p) PCC foundation platform for transformer as recommended by ManufacturerNote : 1. All routine tests/pre commissioning tests to be carried out at site after installation in presence of rep of Accepting Officer 2. OEM test certificate shall be furnished by the contractor as per relevant IS3. GA drawing and design drawing shall be submitted for approval of Accepting Officer before placing order 14 Supply and installation, testing and commissioning of HT 33 KV outdoor type, 3 phase, 50 cycles SF6 circuit breaker having ruputuring capacity 350MVA overload and earth fault protection, outdoor CTs & PTs of rating upto 630Amps including indoor/outdoor type control panel and relay consists of digital ammeter, voltmeter etc and following items:- 15 (a) 3 Nos single pressure puffer type interrupters with supporting porcelian of rating 33KV, 3 phase 50 Hz, 350MVA, 630Amps mounted on common base housing comprising suitable oparating mechanism and all other accessories as per standards required for smooth operation of breaker alongwithmanual closing and tripping push buttons, emergency trip push bottuns with indications of breaker close/open, mechanical operation counter, auxiliary switch, service/test position inicator complete all as specified and directed(b) Microprocessor based numeric relay consisting of two over current , one earth fault relay and master trip relay, El ectrical closing coil, Electrical shunt trip coil-01 Set(c) Digital multifunctional meter of ammeter, voltmeter, PF etc with selector switch(d) Oil cooled single phase outdoor type current transformer 33 KV dual ration 200-100/5/5, 15 VA burden classI accuracy and for metering and protection 15 VA/5P -10 - 3Nos(e) Potential transformer oil cooledoutdoor type 33KV/110 Volt, 50VA burden with HT and Ltfuse protection -03 Nos(f) Set of indicating lamps LED type for emergengy tripping, breaker ON/OFF, breaker service/test position, trip circuit healthy etc with necessary push buttons -01 Set(g) Copper conductor control cables of solid/ multi core of size 4 sqmm for CTs and 2.5 Sqmm for PTs, 10 Sqmm from battery bank to breaker of suitable No of cores and any other control wiring as required - 1Lot(h) Common alarm system with reset option to be provided in control panel for circuit breaker trip, DC& AC power auxiliary failure(j) Local control switch with locking arrangement -01 Set(k) Battery charger with suitable capacity automatic float cum boost type of rating 230 volts AC input, protection for input & output including maintenace free batteries for auxiliary supply of suitable capacity with MS rack, copper strips and connection with copper conductor cable unarmoured from LT panel to charger and battery charger to indoor panel.(l) Indoor/ Outdoor control panel suitable with all controls as per OEM specifications including auxiliary relays for Bukoholtz , WTI & OTI from transformer including necessary control cables from all necessary equipments , breaker to control panel -01 Job(m) Necessary structural steel frame work including PCC foundation and earth work all as per manufacturer recommendations. 16 Note : 1. All routine tests/pre commissioning tests to be carried out at site after installation in presence of rep of Accepting Officer 2. OEM test certificate shall be furnished by the contractor as per relevant IS3. GA drawing and design drawing shall be submitted for approval of Accepting Officer before placing order 17 Supply and installation, testing and commissioning of HT 33 KV outdoor type Current Transformer of dual ratio 100-50/ 5 Amps. 15 VA burden accuracy class 0.5 confirming to IS 2705/IEC-60044-1 for metering/ protection of breakers suitable to mounted on structural frame all as specifed and directed 18 Supply and installation, testing and commissioning of HT 33 KV /110 volts, 3 phase outdoor type potential Transformer drawout type, 100 VA burden accuracy class 1.0 suitable to mounted on structural frame all as specifed and as directed. 19 Supply, install, testing and commissioning of indoor type HT 11KV panel comprising of 5Nos SF6 circuit breaker 800 A (2 nos as incoming, 2 nos as out going and 1 no as bus coupler), HT, 11KV three phase, AC supply, 350MVA ,18.3KA breaking capacity, short circuit ratings 3 second, complete with hinged doors and locking arrangement, triple pole truck mounted draw out type,spring operated electrically and manually charged operating mechanism suitable for horizontal isolation, horizontal withdrawal confirming to IS &IP4X class of protection comprising copper bus barsand following protective and control devices, including provision for extension of busbars at both sides from this panel and connecting complete comprising of following 20 (a) INCOMING SF6 CIRCUIT BREAKERS - 2 NOSa) Resin cast CT with ratio 150/1-1 with 15VA burden class1 for metering and class 5 P10 for protection-Set of threeb) Resin cast potential transformers with ratio 11KV/1.732, 110V/1.732, 100 VA class 0.5 -3 Nos 1 No per phase with drawable type with automatic shutters with HT fuses mounted on Self powered microprocessor controlled numeric relay comprising of three over current , one earth fault protection relay with high set for both phase & earthand with fault memory, universal auxliary supply .c) Trip circuit supervision relay d) Master trip relay , Anti pumping relaye) Internal bus earthing with flat GI strip of size 50x6mmf) Digital ammeter 100A CT operated with selector switchg) Digital voltmeter 15KV with selector switch & PF meterh) Manual trip switchk) one No. of space heater with thermostat l) One No.of inside lamp with switch (40W 230V)m)One No. of plug point with switch (5A, 230V)n) Copper bus bar common for outgoing feederso) Manual and motor operated, spring charged (release closing mechanism) trip free type, arrangementp) Fuses for metering and protection systemq) Push buttons for accepting faults and resetr) Rear bottom entry of HT cabless)LED indicating lampsi) Auto tripii)Spring charge iii)Fault alarm iv)Trip circuit healthy v)Trip circuit unhealthy vi)Breaker ON vii) Breaker OFFviii) White -3 nos one per phaseix) 6 Nos window annuciation panel with audio & visual indicator 21 (b) OUTGOING SF6 BREAKER -2 NOSa) Resin cast CT with ratio 100/1-1 with 15VA burden class1 for metering and class 5 P10 for protection-Set of threeb) Resin cast potential transformers with ratio 11KV/1.732, 110V/1.732, 100 VA class 0.5 -3 Nos 1 No per phase with drawable type with automatic shutters with HT fuses mounted on c)Self powered microprocessor controlled numeric relay comprising of three over current , one earth fault protection relay with high set for both phase & earthand with fault memory, universal auxliary supply .d) Trip circuit supervision relay e) Master trip relay , Anti pumping relayg) Internal bus earthing with flat GI strip of size 50x6mmh) Digital ammeter 100A CT operated with selector switchi) Digital voltmeter 15KV with selector switchj) Manual trip switchk) one No. of space heater with thermostat l) One No.of inside lamp with switch (40W 230V)m)One No. of plug point with switch (5A, 230V)n) Copper bus bar common for outgoing feederso) Manual and motor operated, spring charged (release closing mechanism) trip free type, arrangementp) Fuses for metering and protection systemq) Push buttons for accepting faults and resetr) Rear bottom entry of HT cabless)LED indicating lampsi) Auto tripii)Spring charge iii)Fault alarm iv)Trip circuit healthy v)Trip circuit unhealthy vi)Breaker ON vii) Breaker OFFviii) White -3 nos one per phaseix) 6 Nos window annuciation panel with audio & visual indicator 22 (c) BUS COUPLER - 1NOa) Resin cast CT with ratio 75/1-1 with 15VA burden class1 for metering and class 5 P10 for protection-Set of threec)Self powered microprocessor controlled numeric relay comprising of three over current , one earth fault protection relay with high set for both phase & earthand with fault memory, universal auxliary supply .d) Trip circuit supervision relay e) Master trip relay , Anti pumping relayg) Internal bus earthing with flat GI strip of size 50x6mmh) Digital ammeter 100A CT operated with selector switchi) Digital voltmeter 15KV with selector switchj) Manual trip switchk) one No. of space heater with thermostat l) One No.of inside lamp with switch (40W 230V)m)One No. of plug point with switch (5A, 230V)n) Copper bus bar common for outgoing feederso) Manual and motor operated, spring charged (release closing mechanism) trip free type, arrangementp) Fuses for metering and protection systemq) Push buttons for accepting faults and resetr) Rear bottom entry of HT cabless)LED indicating lampsi) Auto tripii)Spring charge iii)Fault alarm iv)Trip circuit healthy v)Trip circuit unhealthy vi)Breaker ON vii) Breaker OFF 23 The following are to be provided for entire HT panel(a) Battery charger with suitable capacity automatic float cum boost type of rating 230 volts AC input, protection for input & output including maintenace free batteries for auxiliary supply of suitable capacity with MS rack, copper strips and connection with copper conductor cable unarmoured from LT panel to charger and battery charger to indoor panel.Note : 1. All routine tests/pre commissioning tests to be carried out at site after installation in presence of rep of Accepting Officer 2. OEM test certificate shall be furnished by the contractor as per relevant IS3. GA drawing and design drawing shall be submitted for approval of Accepting Officer before placing order 24 Supply and fix Switch air break gang operated HT 33 KV Volt grade triple pole with 9 insulators and with earth switch , 200 amps rating with drop out fuse assembly with fuse carrier, fuse element mounted on insulator and fitted on steel frame horizontally operated (rotory type) mechanism from ground level consisting of operating rod of 25mm bore light grade GI pipe of suitable length worked from ground level and with locking arrangement flat iron clamp 50mm x 6mm including MS channel of suitable size and length for fixing GOD including bolts, nuts, and washers complete fixed on existing four pole structure complete all as specified and directed.Note :- Channel, cross arms, fuse, bracings etc shall be measured and paid separately. 25 Supply, laying & testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 33000 volts grade, of size 3 core 300 sq mm complete all as specified and as directed. 26 Returning and filling in two parts (i) using riddled soil obtain from excavated soil upto depth of 30 cm (8 cm below cable and remaining above cable) for cushioning of cable and (ii) refilling the trench of remaining depth with normal excavated soil all as specified and directed. Note:- Excavated soil shall be riddled by using sieve to separate composite particles etc as per IS 1255 1983 and refilling in trenches as in cable cushioning. 27 Supply and fix aluminium bus pipe of 32mm dia with 3 mm thick as IS:5082 and IS 2673 including necessary cutting in lengthsfor various switch gears and equipment connections all as directed 28 Material and labour for pad clamps with necessary nuts and bolts for fixing aluminium bus pipe connection various switch gears and equipments all as directed 29 Supply and lay 33KV ACSR panther conductor of size 200 Sqmmsuitable for pad clamps and insulators as required in 33 KV switch yard connections all as directed 30 Supplying, installation, testing & commissioning of CPRI approved outdoor cubical type feeder pillar box suitable for 415V, 3 phase, 4 wire 50Hz Ac supplysystem fabricated from stainless steel (SS 316) totally enclosed,dust,weather & vermin proof, 3.0mm thick for outer shell and 2mm thick for inner shell having 3phase copper bus bars of rating 400amps with short circuit withstand capacity of 56MVA for 1 second.Bottom base channel of MS section not less than 100mmx50mmx5mm thick, entire panel shall have a common aluminium earth bar of size 25mmx5mm at the rear with 2 nos earth stud,with suitable copper busbars from main busbar to switchgears including 1.5sqmm pvc insulated copper control wiring, cable alleys, cable gland plates in two half including tamper proof digital energy meter to measure voltage, current, PF, KWh, KVAH, KVARH and general construction confirming to IS:8623/93 and mounted on suitable PCC foundation. All door should have neoprene rubber gasket and locking arrangement. The cabinet shall be comprising with the following accessories:- 31 Incoming :-(a) Four pole MCCB 200 Amp,36 kA -01 No Metering & indication(b) Voltmeter selector switch -1 No (c) Ammeter selector switch - 1No (d) CT -200/5AOutgoing:-(e) MCCB 63 Amp 16 KA -4 Nos (f) MCB 32 10 KA-01No (g) Copper TPN Busbar 400A-1 Set 32 Material and labour for spreading of antiweed chemical in entire switch yard complete all as directed 33 Supply and fix /lay GI perforated cable tray with cover of size 250mm x 50mmx 2mm complete all as directed 34 Supply, laying and testing cable PVC insulated, PVC sheathed, armoured GI wire/strip, electric control cables ( heavy duty) 1100 volts grade with multi stranded copper conductor of size 4core x 4 Sqmm all as directed.
