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 Shankar Vihar 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

All as per item Ser No 01 above but 33000 Volt LT cables

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 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.

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,33 KV grade (earth) for 33 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

Supply, jointing and testing, straight through joint, heat shrinkable type, suitable for HT, 33 KV (E) XLPE cables, aluminium stranded conductors cable 3 core, 300 Sqmm.

Supply, jointing and testing,outdoor end termination heat shrinkable type joint , suitable for HT, 33 KV (E) XLPE cables, aluminium stranded conductors cable 3 core, 300 Sqmm.

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.

Supply and fix cable route indicator made of RCC with 8 mm TMT size 1.5 M height x 60 cm wide x 10 mm thick tapered on top visible above ground duly painted with synthetic enamel paint of yellow colour base and letters with black paint. The description for writing for HT cable 11000 volts will be given by Engr-in-charge complete all as specified and directed.

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.

(b) cotton waste

(c ) Fuse wire 100 Amp

(d) Fuse wire 60 Amps

(e) Fuse wire 40/30 Amps

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

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

(h) Rubber resin/self amalgamating electrical tape for 11 KV HT supply 3/4" width 30' length. Make : 3M Scotch/godson/Max Electric.

(j) Heat shrinkable sleeves size 1/2" - 2" Max temp 120 degree centrigate 1 KV. Make : 3M/Raychem.

(k) HT Busbar sleeves 2 mm 115 degree centrigrate 15 KV 35 to 200 mm. Make : 3M/Raychem.

Dismantling taking down 11 KV load break switch outdoor type and supply, installation , testing and commissioning of 11 KV, 400 Amps, 21 KA/3 sec outdoor type Ring main unit IP 54 protection plug in type extensible on one side SF 6 gas insulated one incoming and 0ne outgoing (2 way ) with metering plate form mounted compact switch gear consisting of 01 Nos load break switch as incommer and 01 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 at basement of building, 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 C&S).

(A) Incoming Load Break Module - 01 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, 400 Amp, 21 KA - 01 Set. Snap action mechanism for motorised and manual(Both) operation with integrated earthing switch switch - 01 Nos. Cable bushing 400 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 - 01 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 thru 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 anuciator 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), Auxliary relay for transformer protection -06 Nos.

(B) (ii) Out going VCBs - 01 No, each consisting of CT 100/1 -5p10.2.5VA- 03 Nos.

(C ) Additional equipment deliverd separately or mounted seperatly, Bus connected with battery charger and 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 one Load break Switch and 01 VCBs shall be alligned appropriately and must have electrical and mechanical interlocking as per latest electrical safety norms including foundation 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

Buddham Builders

Vijay Electricals

mayur enterprises

Rajindera Enterprises

MV Engineers And Contractors

Microsys Controls India

M/s Dharya Enterprises

Ridhi engineers and builders