PROVISIONING OF BACK FEED CONFIGURATION FOR MAFI-I EQUIPMENT BY MES AT AFA HYDERABAD

Amount

Supply, install, commissioning & testing of Transformer floor mounted Capacity 630 KVA, Step-Up, Outdoor Type, 0.433 KV/11 KV, Energy Efficiency Level 2, 50 Hz, 3-phase AC, Double Copper Wound, Oil Immersed, Oil Naturally Air Naturally (ONAN) cooled with external cooling tubes, transformer delta connection on HV side and star connection on LV side in accordance with vector symbol DyN-11 (vector group 4) and having tapping of + or - 7.5% in equal step of 2.5 % changed by means of off load tap changing arrangement and impedence 4.5%. The voltage regulation shall be as per IS including first fill of transformer oil including all fittings /accessories as specified in SSR Part -I and IS -1180. The transformer should have cable box on both HT & LT side and brass bushing rod on both HT & LT side . The limit of temp rise after continuous full load run as specified in SSR part-I and as per IS -1180 (2014) with total losses should not be more than 1745 W of at 50% and 4850 W at 100% load shall be suitably adjusted to suit the maximum ambient temp prevailing at site all as specified comprising with and including the following specifications :- Make : ABB/CG/VOLTAMP VADODRA/SCHNEIDER/BHARAT BIJLEE or techno-commercially equivalent Makes as approved by HQ CE Command.

(i) Type of connection arrangement :- MS cable termination box on both HT and LT side. Cable box on LT side consisting of 04 Nos porcelain bushing with brass bushing rods and nuts washer with extended neutral terminal with bushing on the transformer body for terminating earthing strip and suitable for terminating of cable LT 1100 Volt grade XLPE insulated heavy duty Aluminium including gland joint complete. (ii) Cable terminal box HV grade suitable to make termination with 3 core 185/240 sqmm XLPE HT Cable. (iii) Thermometer Pocket (iv) Two Earthing Terminal on tank body to facilitate fixing of 32x6mm GI strip. (v) One No Thermometer Dial type vapour pressure type having range 0-120 degree centigrade with maximum temperature indicator and re-setting device to maximum temperature including needle of temperature gauge : Max reading painted terminal. (vi) Rating plate with terminal marking plate. (viii) Oil drain filter valve. (ix) Oil filling port on top cover with plug. (x) Air release valve/plug. (xi) First fill of transformer oil conforming to relevant IS 335.1993 (Incl Latest Ammendments) and with dielectric strength more than 60 KV (xii) Inspection cover. (xiii) Lifting lugs and jack lifting pad support. (xiv) Explosion vent with double diaphragm and sight glass. (xv) Silica gel breather with connecting pipe & first fill of dehydrating agent. (xvi) Hand hole of sufficient size to assess the interior of the tank. (xvii) Cover lifting eyes. (xviii) Oil temperature indicator of approved range, including shut of valve between conservator and main tank. (xix) Drain valve with threaded adaptor. (xx) Filter valve with threaded adaptor. (xxi) Suitable Transformer Plinth/Platform all as per OEM Recommendations. (xxii) Extra bushing for neutral outside the LV side cable terminal box.

"Important Notes : - (i) All Routine tests/Pre-commissioning tests to be carried out at site and after Installation of transformer in presence of Rep of Accepting Officer & cost of the same is deemed to be included in the unit quoted rates. " (ii) Quoted rate is also deemed to be inclusive of Factory Inspection/Testing of the Transformer before dispatch by an E/M Officer nominated by the Accepting Officer & suitable Transformer Plinth/Platform all as per OEM Recommendations complete all as specified & as directed to the entire satisfaction of the Engr-In-Charge. "(iii) OEM Test/Guarantee/Warranty/EEL-2 certificates as per relevant IS shall be furnished by the Contractor along with Purchase Voucher in Original to the Engr-In-Charge. " (iv) Design / drawing / BOM etc. of the Transformer showing the dimensions is to be obtained from OEM / Auth Supplier & is to be got approved from the GE & Engr-In-Charge before placing final order to the manufacturer. (v) Anything missed out in the technical specifications but technically required for efficient working is deemed to be included in the quoted rates. (vi) Contr/Firm is required to visit the site of work for any doubts/clarifications w.r.t. specifications/qty etc. before quoting of the Tender. Any query/clarifications etc. after conclusion of the Contract shall NOT be entertained & decision of the AO shall be final & binding. (vii) Quoted rate is also deemed to be inclusive of periodical/routine servicing of the Transformer incl repair/replacement of any items/spare parts, Dehydration of Tr Oil, replacement of Silica Gel etc. for efficient operation of the Tr at an interval of 6 Months from the date of Commissioning for the entire Defect Liability Period from OEM/Auth Service Dealer & submit report.

Supply, install, commissioning & testing of Factory Made HT 11 KV, Rated Voltage 12 KV, 630 Amp, 21 KA / 3 Sec, Outdoor type, both sides extensible, Internal Arc 21 KA for 1 sec, Type tested in line with latest IEC Standards, Tank floor mounted with internal copper busbar, SF6 insulated completely motorized 3 way RMU consisting of 2 Nos LBS as outgoing and 01 No 630 Amp VCB as incoming with SCADA computable, Overload, Earth fault & S/C Protection Relays (ASHIDA/CSPDR) with Air Insulated Metering Module (MFM for VCB feeders) all live parts of busbar, LBS connections of RMU shall be inclusive in one SF6 tank to avoid multiple inter connections. SF6 tank shall be sealed for life robotically welded non magnetic and non ferrite stainless steel grade 304 min 2.5 mm thick having IP-67 degree of protection filled with SF6 gas with nominal operating gas pressure 1.3 Bar 2 20 Deg C & having insulation with leakage rate less than 0.1% per year tested as per IEC 62271200. 01 No fault passage indicator (FPI) required for complete unit. Mannual welding or heremetic ceiling of tank shall not be accepted. The unit shall have front cable entry (suitable for termination of 1 x 3C 95/120/150/185 Sqmm HT 11 KV cable ) for ease of installation and shall have site repalceable bushing for ease of troubleshooting during breakdown.

RMU should be complete with all accessories such as terminal boots, VPIS , cable supports, all front cable terminations, mechanical indications, Load break switch ON/OFF, Manometer as per with IEC standards 62271200, 60056, 60129, 60265, 60298, 60420, 60529 & 60694. Altitude of installation upto 1000 m as per IEC 60120 bushing bolted type top monitored outside the tank for connections of external busbar. Also the outer enclosure must cover the full length of the switchgear, to ensure IP4X + IP-54 protection for cable boxes. The unit shall be internal arc proof 24 KA for 1 sec with AFLR classsification tested and totally safe for human being. The gas release and personel safety from internal arc shall not depend on plinth design. The release of gas to be from the top of the unit, so that even if the person is operating the unit, opening the cover and for personnels near the sides of the RMU/Plinth, top release will ensure their safety. The hot gas release in case of an internal arc, in No case should be from any side or bottom of the unit as the same is unsafe for operating personnel/pedestrians or general public. Bidder shall provide necessary type test reports to prove compliance to the internal arc fault IAC-AFLR as per IEC62271-200. Internal arc testing shall be done with enclosure door in open conditions, with switching devise in operations mode as per specified standard. Make : BHEL/ABB /SIEMENS/SCHNEIDER or techno-commercially equivalent Makes as approved by HQ CE Command.

(a) 02 Nos Outgoing 630 Amps Motorised Load Break Switch, Triple Pole Single Break 3 position (ON, OFF and EARTH) having STC capacity 21 KA for 3 seconds with copper busbar and copper earth bar fitted high fixed type voltage indicator device as per IEC 61958-1 fully rated with earth switch, spring assisted mechanism with built in operating handle, arc proof hinged type cable cover air insulated cable boxes and boots suitable for bottom front entry termination of 3 core cable 95/120/185 sqmm. (b) 01 No Incoming 630 Amps Motorised Vacuum Circuit Breaker, Triple Pole Single Break 3 position (ON, OFF and EARTH) having STC capacity 21 KA for 3 seconds with copper busbar and copper earth bar fitted high fixed type voltage indicator device as per IEC61958-1 fully rated with earth switch spring assisted mechanism with built in operating handle, arc proof hinged type cable cover air insulated cable boxes and boots suitable for bottom front entry termination of 3 core cable 95/120/185 sqmm. "(c) Bus connected PT Unit - 01 No for metering consisting of the following :- (i) Type M : Air Insulated Metering Module 12 KV, 630 A 21 KA for 3 sec. (ii) 3 Voltage Transformers of the ratio 11KV/1.732/110V/1.732, 25VA Class 1.0 with HT fuses on HV side and MCBs on LV side." "(iii) 03 x Digital MFM with 485 port to measure Amps, Volts, Frequency, PF, KWH, KVAR. (iv) 01 LED bulb for illumination. (v) 01 Space heater with thermostat. (vi) 01 RYB Phase indicator. (vii) 01 Cable support bus bar, stand for 3 Way unit, 1 Manometer & 1 Preraring Handle. (viii) 1 Set bushing for external busbar connection along with bus bar cover & sleeved bus bars for coupling. (ix) 2x12 V Battery with Charger of suitable burden for motor operation, input 230 V AC & output 24 V DC. (d) Capacitive Voltage Indicator fixed type VPIS 9-15 KV. (e) Necessary inter locking arrangement for safety and operation. (f) One No Operating handle for manual operation. (g) PCC 1:2:4 type B1 using 20mm graded stone aggregate for foundation and bus-duct of cable for RMU all as per the recommendations of OEM & as directed by the Engineer-In-Charge. (h) Safety interlocks shall be provided as per relevant IEC/IS standard and manufactures directions. (i) Above switchgears shall confirm to all relavant IEC/IS standard." "(j) Manual operation of Vacuum Circuit Breaker should be possible without dismantling the motor from RMU. The motor should be fitted in such a way that it should not be required to dismantle during mannual operation. (k) Coupling of RMU and metering module should be with the help of bolted type arrangement so that the coupling at site shall be easy. Plug in type bushing shall not be acceptable.

(l) Minimum 3 Module should be accommodated in one tank to avoid multiple coupling at site. (m) Having following additional facilities:- 1. Trip circuit supervision. 2. Disturbance recorder. 3. Event log with date and time. 4. Measurment and control features." "(o) Current Transformers (CTs) of dual ratio 100/50-1A of 15 VA Output, Accuracy Class 1.0 for Metering and 5P10 for 15 VA Accuracy for Over-Current and Earth Fault Protection - 03 x Sets of 03. " "Important Notes : - (i) All Routine tests/Pre-commissioning tests to be carried out at site and after Installation of RMU in presence of Rep of Accepting Officer & cost of the same is deemed to be included in the unit quoted rates. " (ii) Quoted rate is also deemed to be inclusive of Factory Inspection/Testing of the RMU before dispatch by an E/M Officer nominated by the Accepting Officer. "(iii) OEM Test/Guarantee/Warranty etc. certificates as per relevant IS shall be furnished by the Contractor along with Purchase Voucher in Original to the Engr-In-Charge."

(iv) Design / drawing / BOM etc. alongwith Type-Test reports as per latest IEC standards of the RMU showing the dimensions is to be obtained from OEM / Auth Supplier & is to be got approved from the GE & Engr-In-Charge before placing final order to the manufacturer. (v) Any items/parts missed out in the technical specifications but technically required for efficient working of the RMU is deemed to be included in the quoted rates. (vi) Makes of Vacuum Interruptor, VCB & RMU shall be same. (vii) RMU should be manufactured only at OEM Factory. (viii) Cable compartment shall be provided at the front side with front bolted type box covers duly provided with an inspection window for enabling the operator to have visual inspections without operating cover in live condition for all Incoming and Outgoing RMU panels. (ix) Complete with Inernal and External connections with each other or as per gound requirement to the entire satisfaction of the Engr-In-Charge/Accepting Officer. (x) Quoted rate is also deemed to be inclusive of periodical/routine servicing of the RMU incl calibration of Relays & repair/replacement of any items/spare parts etc. for efficient operation of the RMU at an interval of 6 Months from the date of Commissioning for the entire Defect Liability Period from OEM/Auth Service Dealer & submit report. (xi) The complete installation, commissioning & testing of the VCBs is to be got done from the OEM or their auth Rep/Sister Concern/Channel Partners only & reports submitted to Engr-In-Charge/GE in duplicate.

(xii) Control cables as per manufacturer's recommendations shall be provided by the contractor and the cost for the same shall be deemed to be included in the unit quoted rates. (xiii) Contr/Firm is required to visit the site of work for any doubts/clarifications w.r.t. specifications/qty etc. before quoting of the Tender. Any query/clarifications etc. after conclusion of the Contract shall NOT be entertained & decision of the AO shall be final & binding.

M&L for earthing complete with Galvanised steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground (in vertical position) earth pit not less than 2.25 mtr below normal ground level with the top edge of the earth plate not less than 1.5 mtr (B.G.L.) and connected to GI earth strip 32 x 6 mm by means of bolts, nuts, check nuts, and washers of galvanized iron including PCC pit & cover with suitable handle, including necessary excavation and earth work in any type of soil, 20 mm dia med grade galvanized steel tube for watering with one end fixed with suitable funnel and wire mesh, 40 mm bore medium grade galvanized steel tubing for drawing earth lead GI strip protection & common salt, charcoal in alternate layers etc. complete all as shown in EP No 3 of SSR Part 1 and testing on completion complete all as specified and as directed by the Engr-In-Charge.

M&L for earthing complete with Copper earth plate electrode 600 x 600 x 3.15 mm thick buried directly in ground (in vertical position) earth pit not less than 2.25 mtr below normal ground level with the top edge of the earth plate not less than 1.5 mtr (B.G.L.) and connected to Copper earth strip 20 x 3 mm by means of bolts, nuts, check nuts, and washers of galvanized iron including PCC pit & cover with suitable handle, including necessary excavation and earth work in any type of soil, 20 mm dia med grade galvanized steel tube for watering with one end fixed with suitable funnel and wire mesh, 40 mm bore medium grade galvanized steel tubing for drawing earth lead GI strip protection & common salt, charcoal in alternate layers etc. complete all as shown in EP No 3 of SSR Part 1 and testing on completion complete all as specified and as directed by the Engr-In-Charge. Imp Notes for Item above :- (i) Cost of GI/Copper Earth Strip and GI Protection Pipe upto 7.5mtr length is deemed to be included in the unit quoted rates. (ii) Unit rate is also deemed to be inclusive of Wire mesh, Funnel, Earthwork, PCC Chamber pit, Cover, Test Point, Marking Plate etc. (iii) If the earth resistance tests are not found within permissible limits, same shall be re-done by the Contractor till the results are satisfactory without any etra cost to the Dept.

M & L for laying earth continuity conductor or main earthing lead of 20x3 mm copper strip, fixed to wall on batten or recess or chasses or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc, as required all as directed and specified.

M & L for laying earth continuity conductor or main earthing lead of 32x6 mm galvanised iron strip, fixed to wall on batten or recess or chasses or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc, as required all as directed and specified.

M&L for GI pipe light grade with all running fittings (ISI Marked), laid in trenches, under road or fixing on wall/pole/crossing drain/nallah etc. of bore 40 mm complete all as specified and directed. Make : TATA/JINDAL/PRAKASH.

M&L for GI pipe light grade with all running fittings (ISI Marked), laid in trenches, under road or fixing on wall/pole/crossing drain/nallah etc. of bore 100 mm complete all as specified and directed. Make : TATA/JINDAL/PRAKASH.

Supply and laying UG XLPE cable insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminum conductors, 11000 Volts (E) grade, of cross section mentioned under incl testing complete all as specified and as directed. MAKE : HAVELLS/POLYCAB/FINOLEX/KEI or techno-commercially equivalent Makes as approved by HQ CE Command. (Note :-Earth work, cable protection cover, sand etc will be measured and paid separately) (a) 185 Sqmm 3 Core

Supply and laying in replacement of UG XLPE cable insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminum conductors, 1100 Volts grade, of cross section mentioned under incl testing complete all as specified and as directed. MAKE : HAVELLS/POLYCAB/FINOLEX/KEI or techno-commercially equivalent Makes as approved by HQ CE Command. (Note :-Earth work, cable protection cover, sand etc will be measured and paid separately) (a) 300 Sqmm 3.5 core

M&L for Heat shrinkable HT 11 KV outdoor termination joint kit for XLPE 11 KV (HT) 3 Core cables including materials & testing complete all as specified and as directed. MAKE : DENSONS/MS-SEAL/RAYCHEM/BIRLA-3M or techno-commercially equivalent Makes as approved by HQ CE Command. (a) 3 Core XLPE Cable 120 to 185 Sqmm

Excavation in trenches n.exc 1.5m wide and n.exc 1.5m in depth for laying of pipe and getting out in hard dense soil complete. NOTE : 1) The requirement of JCB (if any) for cutting the hard standing/PCC/WBM road surface or during earthwork is deemed to be included in the unit quoted rates. 2) If any damage to any Cable of Air Force/BSNL/MES etc. or to any Pipe lines develops/occurs during execution of the works then the same shall be made good by the Contr to the entire satisfaction of the concerned Dept/Section & the costs of the same is deemed to be included in the unit quoted rates. 3) Quoted rate is also deemed to be inclusive of clearing/removing/cutting of vegetation/tree branches/small to medium plantings/bushes etc. so as to facilitate successful completion of the work. No extra/addl payment shall be allowed to the Contr in this regard. 4) The contractor/firm is required to visit the site prior to quoting of the subject items/ work so as to ascertain the actual ground requirements. Any further query at a later date shall not be entertained & responsibility of the same shall rest on the contractor/ firm.

Returning, filling in including spreading, levelling, watering and well ramming in layers n.exc 25cm thick.

Removing of excavated material n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point.

M&L for providing sand cushioning for protection of UG cable in trenches with dry (coarse) sand approved quality including filling, spreading and punning down to desired thickness complete.

Supply and laying un-reinforced precast concrete cable cover, class HVP, Type 1, flat, size 300 x 180 x 40 mm in trenches for protection of UG Cable with width equal to length of PCC cover, laid dry & flat complete all as specified & as directed.

M&L for HDPE DWC (Double Wall Corrugated) Pipe of rating 450 N, ISI marked with Min OD 160 mm, Orange colour for LT UG Cable protection with & including Couplers with rubber rings & RR & NFP properties/features confirming to IS 16205 Part 24:2018 & IEC 61386 Part 24:2007 complete all as specified & as directed by the Engr-In-Charge. Make : Supreme/Astral/Polycab/Finolex

Supply, install, commissioning & testing of LT Panel board "out-door type" of size 1200 mm (height) x 1000 mm (breadth) x 600 mm (depth) (minimum dimensions) factory fabricated CPRI type-tested with suitable neoprene rubber gasket to make it completely dust & vermin proof & degree of protection not less than IP-55 & general construction confirming to IS-13947, double door, front & back openable. The panel shall be provided with ventilation facility in the form of louvers for better heat dissipation & tinned copper bus-bar wrapped with coloured PVC tape/sleeves of rating in conformity to the Incoming ACB/MCCB rating. The panel board shall be fabricated out of 3.15 mm thick (for outer portions) & 2.0 mm thick (for inner portions) CRCA sheet duly pre-treated & powder coated, supporting angle iron frame & MC channel base suitable for 3 Ph, 4 wire system 415/440 volts grade incl complete internal wiring with not less than 2.5 sqmm copper wire incl cable glands of suitable sizes incl suitable PCC (1:3:6) type C-2 foundation, necessary earthwork (if any) complete all as specified & as directed with & incl the following accessories :

Supply & Laying SyntheticRubber Insulated Mats 2.5 mm thick for Voltage upto 11 KV of size 2.0 x 1.0 Mtr for electrical purpose as per IS 15652:2006 suitable for electrical shock safety complete all as specified & as directed by Engr-In-Charge.

Excavating in trenches, n exc 1.5m wide and n exc 1.5m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5m in depth and getting out in hard/dense soil.

M & L for PCC 1:4:8, type D2 using 40mm graded stone aggregate as in foundation, filling, mass concrete and sub base as in floors etc., complete all as specified and directed.

M&L 100mm thick plain Cement concrete type B-1, 1:2:4 (20mm graded aggregate) as in floor finish concrete complete all as specified and as directed.

M&L for pre-cast cement concrete block masonry of Type C1 1:3:6 (using 20mm graded stone aggregate) with solid blocks, exc. 10 cm in width and setting in cement mortar 1:4 etc complete.

M & L for Rendering 10 mm thick on fair faces of brick work or concrete wall surfaces in CM 1:6 surface finished even & smooth without using extra cement complete all as specified.

M&L for providing Cement concrete 1:2:4, type B-1 mix using 20 mm graded aggregate as in coping, complete all as specified and as directed.

S&F MS Chequered Plates Fe-410 W (Gde E-250) Quality B (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachmen

S&F Joist, channel, Flat ,angle, or tee sections, Fe-410 W (Gde E-250) Quality B fixed independently, without connecting plates, etc. (cut to ordinary lengths i.e. within 20mm of the length indicated)

M&L for preparation of new steel surfaces and applying two coats of synthetic enamel paint over a coat of red oxide zinc crome primer on Surfaces of any description,not exc10cm in width or girth, not otherwise described complete all as specified and as directed.

Dismantling of Stone slabs and tiles laid bedded and pointed in any mortar of any description or thickness in floors, aprons etc. complete all as specified and directed.

M&L for machine cut kota stone slab flooring 20-25mm thick(not less than 450x450 MM SIZE) in floor over 15mm thick cement screed bed of CM (1:4 ) laid and jointed with grey cement slurry mixed with pigment to match theshade of the slab including rubbing and polishing complete

AKSHITA ELECTRICAL (BID ID -3486766)