SPECIAL REPAIR/ REPLACEMENT OF TRANSFORMER AGAINST BER WITH ENHANCED CAPACITY AND CONNECTED ITEMS AT AFS JAIPUR

Amount

Supply, installation, Testing, Commissioning of Oil Cooled, Copper wound, Step down down "BIS marked as per Electrical transformers (Quality Control) order, 2014 issued by ministry of Heavy Industries and Public Enterprises & BEE star labelled as per DT notification issued by ministry of power” transformer of capacity 500 KVA plinth mounted outdoor type with latest feature complete with standard fitted HT 11 KV 3 phase, LT 433V 3phase 4 wire,50 C/S oil immerse, naturally cooled (ONAN) externally cooling tube delta connection on primary HT 11 KV side and star connection on secondary LT 433V with tapping at +/-2.5 %to +/-5 % & +/- 7.5 % on HV side and to be changed by means of hand operated off load tap changing gear including first filling of new transformer oil as per IS:335 (mineral oil) of dilectric strength not less than 55 KV with all fitting and accessories such as LT box with cable gland, HT box with cable gland, Silica gel, breather, Oil level indicator gauge, drain out valve (oil tank), exhaust vent, air release valve, temp gauge, cast iron wheel etc. comply with EEL-3 IS 1180 (Part-1)-2014 with amendment no. 4 having total losses @ 50% load 1354W & total losses @ 100% load 3909W. Including following items/ Accessories. (i) Name, rating & diagram plate (ii) Off circuit tap changing switch (iii) Earthling terminals (iv) Lifting lugs (v) Oil drain valve with plug (vi) Oil filter valve with plug (vii) Conservator with oil filling hole (viii) Thermometer pocket (ix) Air release plug (x) Silicagel breather (xi) Removable inspection opening (xii) Explosion vent Note : (i) The drawings of transformer shall be got approved from GE. (ii) Manufacturer’s inhouse Lab must be NABL approved. (iii) All tests shall be carried out at factory before the dispatch of Transformer inspection of officer as detailed by Accepting Officer. (iv) Manufacturer must have ISO Certificates (ISO:9001, IS:14001, ISO:45001), BIS & BEE licence.

Supply and fix ON LOAD change over switch 415V in sheet metal enclosures 4 pole of capacity 630 Amps complet all as spd and directed.

M&L for XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured,electric power cables (heavyduty) with aluminium conductor, 11000 volts Earthed, grade cross sectional area 95 sq. mm 3 Core complete all as spd and directed.

Supply, Installation, Testing & Commissioning of 11kV 630 Amps 21KA for 3 Sec. SF6 insulated, outdoor duty (IP54) , Non extensible type Ring main unit (RMU) manually operated in combination of VCB modules and Load Break switch consisting of Copper busbar in SF6 insulated 304 (Non-Ferrite Non-Magnetic Grade) stainless steel enclosure of thickness 2.5mm with manometer. The HV switchgear and control gear should be confirming to IEC-62271-100, IEC- 62271-200-2003 & IEC-60694-1996. The RMU should be internal arc tested for 21KA for 1Second with IAC-AFL classification for gas tank. Vacum Interrupter of VCB should be RMU Manufacturer’s own make. Operating Sequence of “ VCB Should be 0-3 Sec-CO-3 Min-CO. Each feeder of RMU should have voltage presence indicator and compring of followings:- 1 no. microprocessor based Self powered numerical relay with over Current/ earth fault & short circuit protection with each VCB feeder. - 3 Nos. Protection CT shall be of Burden 2.5VA, ratio 50/1A, Class of Accuracy class 5P10 for O/C and E/F protection for each VCB.- 1 No. Manometer for each tank,- 1 nos. Fault Passage indicator,-Right angle boots for all the feeder Modules All the type test certificates as per IEC from Third party NABL / CPRI / ERDA accrediated lab to be submitted. (a) Non Extensible 3 way RMU with 2 No. VCB & 1 No. Load Break Switch.

(b) Non Extensible 3 way RMU with 1 No. VCB & 2 Nos load break switch.

M&L for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 300 sq. mm 3.5 Core complte all as spd and directed

M&L for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 120 sq. mm 3.5 Core complte all as spd and directed

Excavation in trenches not exc 1.5 mtrs wide & not exc 1.5 mtrs in depth for taking out/laying of pipes/cables etc & getting out in Hard/Dense soil complete all as specified and directed.

Removing excavated materials not exceeding 50 mtrs away and depositing where directed at a level not exceeding 1.5 mtrs above the starting point complete all as specified and directed .

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

Supply and lay double wall corrugated (DWC) high density polythene pipes having corrugation on the outer wall and plain surface on the inner wall confirming to IS 16205 (part 24) : 2017 for protection of underground cables of size. Outer/Inner dia of pipe 63/50 mm with all fittings. laid in trenches / road/ nallah or fixed along wall. poles or laid under floor (including cutting floor/Road and making good to match with existing adjoining surface etc for cable protection all as specified (excavation and earth work shall be measured and paid separately). Rate for Inserting cable in pipe deemed to be included in quoted rate. (For 95 Sqmm 3 C cable)

Supply and lay double wall corrugated (DWC) high density polythene pipes having corrugation on the outer wall and plain surface on the inner wall confirming to IS 16205 (part 24) : 2017 for protection of underground cables of size. Outer/Inner dia of pipe 90/76 mm with all fittings. laid in trenches / road/ nallah or fixed along wall. poles or laid under floor (including cutting floor/Road and making good to match with existing adjoining surface etc for cable protection all as specified (excavation and earth work shall be measured and paid separately). Rate for Inserting cable in pipe deemed to be included in quoted rate.(For 120 Sqmm 3.5 Core cable)

Supply and lay double wall corrugated (DWC) high density polythene pipes having corrugation on the outer wall and plain surface on the inner wall confirming to IS 16205 (part 24) : 2017 for protection of underground cables of size. Outer/Inner dia of pipe 110/93 mm with all fittings. laid in trenches / road/ nallah or fixed along wall. poles or laid under floor (including cutting floor/Road and making good to match with existing adjoining surface etc for cable protection all as specified (excavation and earth work shall be measured and paid separately). Rate for Inserting cable in pipe deemed to be included in quoted rate. (for 300 Sqmm 3.5 Core Cable)

Supply installation and testing 3 phase and neutral, 415 volts factory made, Outdoor type, free standing, floor mounting, dust and vermin proof cubical type, LT panel fabricated from 3.15 mm thick ( minimum) CRCA sheet steel powder coated with Grey shade (RAL-7035) after seven tank process having thickness of 50-6- microns fully compartmentalized design with 4 Nos of busbars made of high conductivity 99.9% pure copper of ETP grade suitable for 400 amps pre-wired with suitable size of copper strip, including complete wiring and comprising of INCOMMING (a) MCCB 400 A FP 36KA with Microprocessor based release for O/C + S/C, spreader link and Ext Rotary Handle. (b ) Digital Ampere Meter (c) Indicating light RYB LED 230 V AC (d) Digital Volt meter (e) Control MCB 6A, 10 KA (f) CT 400/5A tape wound. OUTGOING (a) MCCB 320A,FP, 36 KA with TM release for O/C + S/C, spreader link and Ext Rotary Handle-01 Nos (b) MCCB 200A , FP, 25 KA with TM release for O/C + S/C, spreader link and Ext Rotary Handle-01 Nos. (c) MCB TPN 63 A,FP, 10 KA -03 Nos

M&L for Earthing complete with Copper Plate electrode 60cm×60cm× 3.15 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, using Copper strip 20x3 mm as earthing lead connected by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point including sufficient quantity of earth enhance material all as specified or indicated including testing on completion. NOTE : (i) Earth resistance value should be less than 2 Ohms (ii) Item includes the cost of 7.5 m GI pipe for protection of earth strip.(iii) PCC pits shall be provided atleast 500 mm away from the pit and not on the earth pit itself and the extra cost of additional length of watering pipe, bends , elbows etc. shall be deemed to be included in the quoted rate. (iv) excavation and earth work shall be measured and paid separately.

M&L for Earthing complete with MS Galvanised Plate electrode 60cm×60cm× 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, using GI strip 32x6 mm as earthing lead connected by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion. NOTE : (i) Earth resistance value should be less than 5 Ohms (ii) Item includes the cost of 7.5 m GI pipe for protection of earth strip.(iii) PCC pits shall be provided atleast 500 mm away from the pit and not on the earth pit itself and the extra cost of additional length of watering pipe, bends , elbows etc. shall be deemed to be included in the quoted rate. (iv) excavation and earth work shall be measured and paid separately.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises

M&L for Cement concrete type C-2,1:3:6 (40 mm graded aggregate) 100 mm Thick complete all as spd and directed

M&L for Sand filling under floors/Blocks or in foundations including watering and consolidation

M&L for Machine pressed precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness, M35 grade with cement and pigment complete all as spd and directed

M&L for refixing Machine pressed precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35 Grade

Supply and fix auxiliary relay suitable for 12 KV, 600 Amp HT VCB of make ITE, with Breaking capacity 18.4 KA, Short time current for 3 Sec 18.4 KA, LT ratio 100/50, PT ratio 11 KV/110 V to synchronize with 500 KVA transformer complete all as specified and directed.

Supply, laying & Testing of PVC insulated, PVC sheathed cable, galvanized strip or wire armored electric control cable with copper conductor of size 2.5 sqmm 8 core, 1100 volts complete all as specified and directed.

LAKSHMI ASSOCIATES (BID ID -3468828)

DIVYA ASSOCIATES (BID ID -3473494)

M/S Anil Enterprises (BID ID -3474915)