Upgradation of 2 X 250 KVA electrical Substation by shifting of Transformers from TE Building New Tehri and ITC of the same and other electrical works at TE Cross Road, Dehradun

Dismantling of the existing 250 KVA transformer (indoor type) by disconnecting the input 11 KV power supply and output of 415 Volt , neutral earthing, body earthing, base mounting nut bolts (i.e. dismantling the transformer electrically and mechanically) etc. Complete as required. (At TE New Tehri)

Dismantling of the existing 250 KVA transformer (indoor type) by de-energising & disconnecting the input HT power supply of 11 KV, and disconnecting of LT the power cable at output , neutral earthing, body earthing, base mounting nut bolts (i.e. dismantling the transformer electrically and mechanically) etc. Complete as required. (At TE Cross Road) Note:- As existing transformer is working and in live condition so de-energising & dismantling process should be done with due care & with consultation of the SDE site in charge.)

Safe loading of the existing dismantled 250 KVA transformerwith allaccessories from transformer room to pick-up/truck with the help of hydra/crane etc. Complete as required. (At TE New Tehri)

Safe transportation of the existing 250 KVA transformer with all accessories loaded in the pick-up/truck from TE New Tehri to TE Cross Road, Dehradun with due care and caution etc. Complete as required.

Safe Un-Loading of the existing 250 KVA transformer transported from New Tehri, from pick-up/truck to the entry of the transformer room with the help of hydra/crane/manual labour etc. Complete as required. (At TE Cross Road)

Installation Testing & Commissioning of the indoor type 250 KVA transformer (Kanohar make) including all accessories in transformer room as per direction of the SDE in chrage, including augmentation of the LT side cable end termination box made out of 16 SWG MS sheet and having angle iron frame with suitable holes for 415 volt output supply, LT bushing & cable lead entry i/c making connections of HT & LT power supply cable, neutral & body earthing, testing of all connections, meggering of the complete system, etc. Complete as required.

Providing & Fixing of Silica Gel Breather assembly filled with new silica gel i/c dismantling & removal of the old worn out silica gel assembly etc. Comlete as required.

Supplying, Installation, Testing ,Commissioning of Maintenance free Chemical earth station as per latest RDSO specifications consisting of :- a) Steel electrode ,High Tensile ,low carbon molecularly bonded with copper on outer surface as Per UL requirement of 3 mtrs long, 17 mm dia with copper bonded thickness of minimum 250 microns and a copper coated low carbon steel strip of 300mmx25mmx6mm with suitable hole shall be exothermically welded to main Earth electrode for taking the connection to main earth bus - 1No. b) Earth Enhance material ,Maintenance free, Environmental friendly, Mineral compounds, Semi soluble, non corrosive, conductivity improving material confirming to IS 62561 Part 7 of RDSO approved) =30-35 Kg c) Poly plastic, Heavy Duty, weather-proof, environmental free earth pit chamber with cover size about top dia 250mm bottom 330mm and height 260mm. Heavy duty of 7 TON load capacity, the base unit should have knockouts for interconnection of strips. Note -a)Earth resistance at Main Earth bus bar less than 5.0 Ohm is to be achieved b) Measurement of earth resistance will be done after 24 hour as per RDSO specification .c) Chemical Earthing work should be strictly carried out as per RDSO Specification attached),d )The above work is all inclusive i/c transportation (in plain area), T&P and testing at site complete as required , e) The Sites of earthing will be located in Plane as well as hill area of Uttarakhand state so Quote the Rate accordingly .

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required.

Dismantling of existing 400 Amp By-Pass Switch with loose wire boxes from wall surface i/c power supply connections, connections of the 3 X 75 KVA AVR (Oil filled) i/c disconnection of the same from earthing, and other related items etc. Complete as required.

Dehydration & Filteration of Transformer oil of 2 X 250 KVA transformers (Kanohar make) shifted from New Tehri, i/c testing of transformer oil (BDV test) before & after filtration and supply of the test report to the site in charge etc as reqd.

SITC of Box type LED Batten with G13 lamp holders made of powder coated CRCA sheet with internal wiring suitable for retrofit LED T-8 tubelight with single / double side cnections i/c S/F 22 W LED polycarbonate tuberod t-8 (single side connection) with efficacy >100 lumes /watt existing fitting suitable for work on 230 volt 50Hz AC supply i i/c connection complete as required.(Make -Philips /crompton/Havells REGALBATTENT 8UPTO1X22WSSBSWH /Bajaj/Wipro/Surya ).

SITC of 450 mm sweep heavy duty exhaust fan with protective guard ,1400 RPM suitable for work on 230 V Single phase AC Supply ,i/c fixing the same wall surface /grill with suitable clamp i/c connection etc as reqd (Make -Almonard/Crompton EXHD450-4-1/Bajaj/USHA).

SITC of 450 mm sweep Heavy duty oscillating type wall mounted fan with speed control regulator having powder coated guard and metal blade ,1400 RPM speed suitable for working on 230 V 50 Hz single phase AC supply & i/c connection etc. complete as required (Almonard markII /Crompton VORTEX/USHA /Polar )

SITC of 450 mm sweep Heavy duty oscillating type padestal fan with speed control regulator having powder coated guard and metal blade ,1400 RPM speed suitable for working on 230 V 50 Hz single phase AC supply & i/c connection etc. complete as required (Almonard Tempest Mark II/Crompton /USHA /Polar or SS )

P/F Chequered Electrical Rubber Mats, Thickness 6mm (Black, 1 Mtr X 2 Mtr) - 1 Pc/Insulating Rubber Mat, Anti – Skid, Shock Proof, Insulation Rubber Mat ISI Marked etc. complete as required.

SITC of 250 Amp 3 pole MCCB in the M V Panel having 36 kA breaking capacity & Ics = 100%Icu i/c dismantling of the old faulty one and making connections & teating etc. Complete as required. (Make:- L&K, Model:-DZ4-250D, DZ4T0250DXD1AOOOO or Similar Superior make)

SITC of 100 Amp 3 pole MCCB in the M V Panel having 25 kA breaking capacity & Ics = 100%Icu i/c dismantling of the old faulty one and making connections & teating etc. Complete as required. (Make:- L&K, Model:-DZ0-125C, DZ0T0100CXC1AOOOO or Similar Superior make)

SITC of Panel mounted size 96 x 96 x 40 mm programmeable digital AC Voltmeter Input : 100- 500 V L-L (Programmable) Display : 14 mm LED Display 3Ph 3W/4W Network Accuracy Class : 1.0, 4 Digit i/c making connections & testing etc. Complete as required. (Make RISHABH & Model RISH EINE V)

SITC of Panel mounted size 96 x 96 x 40 mm programmeable digital AC Ammeter Input 1A /5A (Programmable) Display : 14 mm LED Display 3Ph 3W/4W Network Accuracy Class : 1.0 4 Digit i/c making connections & testing etc. Complete as required. (Make RISHABH & Model RISH EINE I)

Spray painting of the extenal metalic surface of 250 KVA indoor type transforme after removing the old wornout paint and rust with the help of emery paper ( regmal) and metal patti. Rigorous removal of rusting and cleaning of the surface and after that two coats of smoke grey colour paint ( and sign writing) etc complete as reqd.

S.I.T.C of floor mounted Cubical panel made out of 16 swg MS sheet , suitable for operation on 415V,3 phase 4 wire,50 Hz A.C.Supply with dust & vermin proof ,powder coating paint and having following accessories I/c interconnection with suitable size pvc insulated copper conductor cable as per specifications and drawing attached i/c making suitable cable entry holes from above & below the panel for incomer & outgoing cable & minor civil work etc.

400 Amp 4 pole MCCB ,Ics=100% Icu Breaking capacity 50KA at 415 V (Overload release range 268 to 400) with Spreaders Terminals (Bus Bar) & Extended ROM (Rotary Operating Mechanism or Handle) - 2 Nos. ( 02 nos. incoming, mechanically interlocked by handle locks (key locks panel door mounted) & but provision of 03 nos MCCBs i.e 01 no. existing MCCB will be installed in the extra module,) Make (L&K/ Schneider Electric / Siemens) Model DZ6-400N (DZ6F0400NXD1AOOOO) DZ6 Extended ROM EM90276OOOO, DZ6/7 Key Lock Type 1 EM99141OOOO & or S/S (Tri Vector Meter)

Existing CT & Existing Energy Meter to be installed in the Panel

400 Amp Aluminium Bus Bar - 04 Nos. of suitable length

LED type Indication lamp -3 No

40 X 40 x 5 (mm) size Angle iron base frame 300 mm Height (04 legs) suitable to house the panel

S/Laying of 3.5 x 185 Sq.mm XLPE Aluminium cable in duct/on surface/ on cable tray for interconnection from LT side of the transformer to Meter Panel i/c end termination etc. complete as required.