Replacement of defective damaged HT and LT cable end joints straight through joints damaged portions of electrical cables in the places of OTM and MD accn under Signal Enclave area of AGE U Elect Supply No III under GE U Elect Supply Delhi Cantt 10

Amount

Testing the cables with high voltage DC testing machine and locating the fault in the cables by fault locating machine to pin point exact position of fault, disconnecting faulty 11 KV HT cables of different sizes from both ends, removal of Fault, Re-connections and testing of cables after removal of fault complete all as specified and directed. Note: (a) 11 KV HT cable & joints shall be measured and paid for seperately under respective items of schedule. (b) Retrieved old serviceable cable cover/bricks will be laid in trenches for cable protection. If extra PCC cover/bricks and sand required at site shall be measured and paid separately under respective items of BOQs. (c) Excavation and earth work will be measured and paid for seperately under respective items of schedule.

All as per item Ser No 01 above but 1100 Volt LT cables

M&L for repair and rewinding of three phase high mast tower motor 440 volts AC 1 HP 1425 RPM including dismantling from high mask, transportation to wksp for repair, rewinding of motor with existing size of super enamle copper wire, replacing of gear, bearing,bush greasing warneshing etc, replacement of wire rope dog clamp for running of wire rope at satisfactory level and re-installation complete all as specified and directed.

Excavation in trenches in soft and loose soil n.exc 1.5 mtr wide and n.exc. 1.5 mtr depth for laying and taking out of electric power cable and getting out all as specified and directed by engineer –in-charge.

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

Removing excavated material not exceeding 50 mtr away and depositing where directed at a level n. exc 1.5 mtr above the starting point .

Material & labour for river washed and screened dry sand for filling under and above the under ground cable for cushioning of cables etc.complete all as specified and directed by engr –in-charge

S&Laying in replacement sub class B bricks having minimum compressive strenth 75 Kg/sqm laid in trenches for cable protection etc complete all as directed by Engineer-in-Charge.

All as per Srl item No 8 here in before but using old bricks obtain under item No 4.

Supply and lay in replacement unreinforced precast concrete cable covers class HV Type -1 with peak size 300 x 180 x 40 mm. compete all as specified and directed

All as per srl item No 10 here-in-before but using old tiles obtained under srl item No 4.

Supply, Laying, connecting, testing and commissioning in replacement ( including taking out existing cable) LT cable of PVC sheathed XLPE cable armoured aluminium conductor 1100 V graded , 4 core,10 sqmm, after taking out/down old existing unserviceable from trenches / ducks/ road crossing and poles complete all as specified and directed. NOTE : Excavation and earth work, cable protection (GI Pipe), sand filling,cable joint shall be measured and paid separately under respective items of schedule.

All as per srl item No 12 here-in-before but size of 3.5 core, 25 sqmm.

All as per srl item No 12 here-in-before but size of 3.5 core, 35 sqmm.

All as per srl item No 12 here-in-before but size of 3.5 core, 50 sqmm.

All as per srl item No 12 here-in-before but size of 3.5 core, 70 sqmm.

All as per srl item No 12 here-in-before but size of 3.5 core, 95 sqmm.

All as per srl item No 12 here-in-before but size of 3.5 core, 120 sqmm.

All as per srl item No 12 here-in-before but size of 3.5 core, 185 sqmm.

All as per srl item No 12 here-in-before but size of 3.5 core, 240 to 300 sqmm.

Supply jointing and testing straight through, heat shrinkable jointkit suitable for PVC/ XLPE insulated armoured heavy duty aluminium conductor 1100 volt grade of size 4 core,10 to 16 Sqmm and including taking from faulty portion in any situation/position complete all as directed.

All as per srl item No 21 here -in-before but size of 3.5 core, 25 to 50 Sqmm.

All as per srl item No 21 here -in-before but size of 3.5 core, 70 to 120 Sqmm.

All as per srl item No 21 here -in-before but size of 3.5 core, 185 to 300 Sqmm.

Supply, laying, jointing and testing in replacement (Including takingout existing cable) XLPE insulated screened, PVC bedded, galvanized steel strip or wire armoured electric power cable (heavy duty) with multistranded aluminium conductors of sizes 3 Core, 300 Sqmm,11 KV grade (earth) for 11 KV (E) system, laid in trenches/ducts/encased in G.I. pipe/CI Pipe/fixed to pole including testing complete all as specified and directed

All as per srl item No 25 here -in-before but size of 3 core,240 sqmm.

All as per srl item No 25 here -in-before but size of 3 core,185 sqmm.

All as per srl item No 25 here -in-before but size of 3 core,120 sqmm.

Supply, jointing and testing, straight through joint, heat shrinkable type, suitable for HT, 11 KV (E) XLPE cables, aluminium stranded conductors cable 3 core, 240 to 300 Sqmm.

All as per srl item No 29 here -in-before but size of 3 core,120 to185 sqmm.

Supply, jointing and testing, indoor end termination heat shrinkable type joint , suitable for HT, 11 KV (E) XLPE cables, aluminium stranded conductors cable 3 core, 240 to 300 Sqmm.

All as per srl item No 31 here -in-before but size of 3 core,120 to185 sqmm.

Supply, jointing and testing,outdoor end termination heat shrinkable type joint , suitable for HT, 11 KV (E) XLPE cables, aluminium stranded conductors cable 3 core, 240 to 300 Sqmm.

All as per srl item No 33 here -in-before but size of 3 core,120 to 185 sqmm.

Disconnecting the existing unserveceable/burnt MCCB from the cable taking out from panel board & supply & fix new MCCB,3pole 400 Amp 35 KA breaking capacity Adjustable type suitable for 415 volts,50HZ 3 Phase supply thermal magnetic release, fixed in existing panel including modification of existing frame and panel board door for proper installation of MCCB andconnecting with existing cable including thimble,nut bolt and washers etc complete.

All as per item No 35 above but MCCB of rating 250 Amp 25 KA breaking capacity 3 pole

All as per item No 35 above but MCCB of rating 200 Amp 25 KA breaking capacity 3 pole

Material and labour in replacement for GI pipe light grade laid in trenches for cable protection of size 50mm dia. complete all as specified and directed

Material and labour in replacement for GI pipe light grade laid in trenches for cable protection of size 80 mm dia. complete all as specified and directed

M&L for replacement of unserviceable jumper of ACSR Conductor with new jumpers of ACSR conductor of suitable size including binding properly on the existing OH line/ 4 pole structure with clamp, nuts & bolts etc.complete all as specified and directed.

M&L for disconnecting burnt end termination or portion of cable removing the cable from loop including necessary excavation & earth work, suitable size of thimble, LT tape, relaying and reconnecting the cable by removing burnt portion of cable and preparing fresh terminals for 50 Sqmm to 70 Sqmm 3.5 core along with replacement of existing corroded Nuts bolts and washers with new GI nuts bolts and washers at LT cable to pole/LT panel/main switch/transformers complete all as specified.

All as per item No 41 above but of size 95 to 120 Sqmm.

All as per item No 41 above but of size 150 to 185 Sqmm.

All as per item No 41 above but of size 240 to 400 Sqmm.

M&L for boring of holes under road/pavement/hard standing by trenchless technology using ultra sound technique and necessary machine including material and labour for HDPE pipe of 160 mm dia suitable for 06 Kg/cm2 working pressure. Wall thickness of pipe not less than 6.5 mm.

M&L for danger notice board of 1.6 mm thick mild steel,vitreous enamelled white with letters,figures and conventional skull and bones in signal red colour and fixed with MS clamps,bolts and nuts of approved size for HT 25 x 20 CM size complete.

S&F in replacement caution plate "CAUTION MEN AT WORK" of size 40 cmx15 cm made out of white acrylic sheet with Red coloured glow tape.

M&L for preparation of painted surface of floor mounted HT control panel for fixing of FLOURCENT REFLECTIVE LETTERING of approved colour and re-write the name/capacity/fed from each cope point HT etc in capital letters of size not less than 2 inch width and 3 inch height and works not exceeding 20 letter per panel all as specified and directed.

Disconnecting of all electric connection from the existing unserviceable/burnt ACB 800/1000 A four pole 415 Amps and dismantling/taking out ACB from LT panel board for repair at site including servicing and re assembling the ACBs after repair reconnecting of all connection including replacement of following parts of ACB for working as satisfication level complete all as specified and directed.

Supply and fix in replacement pole connector 800/1000 Amps 415 volts

Supply and fix in replacement Jaw contact 800/1000Amps 415 volts

Supply and fix in replacement Fixed contact 800/1000 Amps 415 volts

Supply and fix in replacement Hard ware Kit 800/1000 Amps 415 volts

Supply and fix in replacement moving contact 800/1000Amps 415 volts

Supply and fix in replacement Trip coil 220 volts

Demoletion of PCC from path any position and M&L for PCC in foundation filling and mass concrete type C2 (1:3:6) using 40 mm grded aggregate for foundation of pole complete all as specified

Demoletion of PCC from path any position andM& L for PCC type B1 (1:2:4) using 20 mm graded aggregate for pedestal of poles including use and waste of formwork complete all as specified

Supply only following expendable items for replacement : (a) CRC liquid 300 ml bottle.

cotton waste

Fuse wire 100 Amp

Fuse wire 60 Amps

Fuse wire 40/30 Amps

PVC insulation tape of thickness 0.125 mm 25 mm width 25 Mtr length.

HT insulation tape of thickness 25 mm width 25 Mtr length. Make : BIRLA 3M

Supply, installation and testing in replacement of Numerical Relay draw out type in HT 11 KV VCB Panel comprising of new and modern numerical scheme for detecting, indicating and tripping the breaker on faults over-current and earth-fault in any of the three phases, Trip circuit supervision relay, 5% pick up for OC and 5% for EF. The relay shall also have the following features as minimum; (i) Programmable rated current 1A & 5A, (ii) Last 8 fault record & 200 event record with time stamping, (iii) 4 analog input, 8 DI & 8 DO, (iv) Communicable on IEC61850 protocol, (v) Disturbance recording upto 300 cycles, (vi) Self supervision function. The relay shall be fully integrated with the feeder, internally capturing feeder statuses if available including Breaker On, Off, Spring Chrgd, Test, Service, AC-Fail, DC supervision relay, Trip circuit healthy relay, inter panel tripping, Master trip relay, local remote and display the same locally on a built-in LCD screen and suitably labeled status LEDs. Relay shall have facility to locally Trip/Close the breaker as a backup to TNC switch provided separately on the panel. The relay shall be fixed on new 2mm CRCA sheet of matching existing VCB panel color and suitable size covering all blank space formed by removing old mechanical type IDMT relay complete including associated wiring and integration with existing HT VCB panel complete all as specified and directed. Model No F-100 of Make C&S OR Equivalent.

NOTE :- (a)The cost of dismantling/taking out of old relay and modification of wiring circuit for installation of New relay are deemed to included be in quoted rate.

Dismantling of existing PCC four pole structure inclusing MS Channel, clamps and 11 KV insulator and Supply and installation , testing and commissioning of 11 KV, 630 Amps, 21 KA/3 sec outdoor type Ring main unit IP 54 protection plug in type extensible on one side SF 6 gas insulated two incoming and three outgoing (4 way ) with metering plate form mounted compact switch gear consisting of 02 Nos load break switch as incommer and 02 Nos outgoing VCBs , all live parts, bus bars VCB will be enclosed in robotically/manual welded minimum 2 mm thick stainless steel tank filled with SF 6 gas IP 67 Degree of protection and tested for internal arc 20 KA/1 sec as per latest IEC 62271-200 complete installed on plateform as recommended by OEM, including the cost of PCC foundation for placing of RMU on plinth complete all as specified and directed. The unit shall include the following with all necessary standard fitting required at site: - (Make : ABB / SIEMENS / SCHNEIDER ).

(A) Incoming Load Break Module - 02 Nos each switching unit shall be designed as a three position switch. This three function switch combines the functions of switch disconnector and earthing switch cables switch 12 KV, 630 Amp, 21 KA - 01 Set. Snap action mechanism for motorised and manual(Both) operation with integrated earthing switch - 01 Nos. Cable bushing 630 Amp standard C bushing - 01. Fault passage indicator, On(N-1) load break switch where n= no of load break switch >>s/c & E/F FPI with digital display to be added for detection of cable fault. ON, OFF, EARTH mechanical indication on the front mimic of the panel - 01. Capacitive voltage indication fixed type LED display - 01. ON, OFF, TRIP mechanical indication on the front mimic of the panel - 01. Cable box for termination of cable up to 1 No. x 185 sq.mm - 01. Cable cover standard - 01. Set of 12kV Cable Termination Boots - 01. Cable entry bottom, front - 01

(B) (i) Out going VCBs - 02 No consisting of following - function unit consist of vaccum circuit breaker in combination with a three position switch. The three position switch fulfills the operation of the disconnector function and earthing function circuits breaker unit is equipped with an over current transformer for the protection of distribution Transformer/circuit vaccum circuit breaker 12 KV, not less than 400 A, 21 KA - 01. Spring assisted closing with stored Energy triping mechanism for motorised operation with integrated earthing switch - 01. live cable LED indicators thrugh capacitor voltage dividers mounted on the bushings push button for breaker trip - 01 sec O/C + E/F self powered numerical protection relay with low and High set for Over current and earth fault Relay should have facility to display the maximum loaded phase current also current also relay shall record minimum 5 fault records with time stamping - 01 Alaram trip indication 6 window annunciator for transformer faults Mechanical ON/OFF/EARTH indication -01. Auxliary contacts on load switch are 1 No+2NC & Auxiliary conract on earth switch is 1 No+ 1NC-01. Self powered electronic numerical protection relay providing 3 over-currents & 1 E/F protection - 01, shunt trip coil 24 V DC-01 capactive voltage indication fixed type LED display -01 ON/OFF/Trip mechanical indication on the front mimic of panel-01 cable box for termination boots-01. Metering Equipment incl. 01 x Digital Voltmeter (Acc.Cl.0.5), 01 x Digital Ammeter (Acc.Cl.0.5), 01 x Tri-VectorMeter(Tri - vector meter provided only on One outgoing VCB) (Acc.Cl.0.5) Auxliary relay for transformer protection -06 Nos.

(B) (ii) Out going VCBs - 02 No, One consisting of CT 100/1 -5p10.2.5VA- 03 and other two consisting of CT 150/1 -5p10.2.5VA- 03.

(C ) Additional equipment deliverd separately or mounted seperatly, Bus connected with battery charger and inbuilt battries for motor power supply-01 (i) PT ratio 11KV/3/110/v3, 100 va, 0.5 class for measurement with volts meter(ii) Auxliary transformer of 11KV/230V, 1 KVA for powering the motors and battery charger (iii ) 24 V DC battery charger and battries for motor power supply. Standard mano meter -01, Operating handle - 02 , cable clamping provision(standard)-01 Operation and maintance manual - o1, installation and commissioning manual - 01, cost of PCC works for placing RMU on plinth is deemed to be included in the cost, Height of plinth shouldnot be less than 0.45 mtrs from ground level.

NOTE :- (a)The above module consisting of two Load break Switch and 03 VCBs shall be alligned appropriately and must have electrical and mechanical interlocking as per latest electrical safety norms including installation on plateform as recommended by OEM complete.

Note : contractor should procure and provide 50 % of the material as listed above within 15 days of the placing of work order and shall be verified by the Eng-in-charge

MV Engineers And Contractors

M/s Adhikari construction co.

Rajindera Enterprises

mayur enterprises

Buddham Builders

Microsys Controls India

M/s Dharya Enterprises

Ridhi engineers and builders