REPAIR AND MAINT OF 11 KV HT XLPE UNDERGROUND CABLE, AND CONNECTED ITEMS AT MANEKSHAW MARG, URBAN VILLAGE, MALL ROAD, POLO ROAD, CHURCH ROAD, TIGRIS ROAD, CASSEL ROAD, STATION ROAD, MANDIR MARG, MAUDE ROAD, 4 NO P/F, HARBAKSH STADIUM, TUBARAK LIN

Amount

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in soft loose soil for laying / taking up/ taking down of cables and getting out and levelling of bottom suface to required level all as specified and directed by Engineer- in- Charge.

Returning filling in,. Including spreading, levelling,. Watering and well ramming soil in layers not exceeding 25 cm thick all as specified and directed.

Removing excavated material (ie soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting point all as specified and directed by Engineer-in-Charge.

Material and labour for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc, complete all as specified.

Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1, flat size 300mmx 180mm x 40mm for cable protection

All as per srl item No 5 here-in-before but using old cable cover obtained under srl item No 1 here in before.

Supplying, laying, jointing testing and connecting in replacement of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 11 KV grade, IS 7098 marked, suitable for HT 11 KV(E) system, laid in trenches / ducts / encased in GI pipe / fixed to pole, including jointing & testing complete all as specified and directed of following sizes :-

95 sqmm 3 core.

120 sqmm 3 core.

185 sqmm 3 core

240 sqmm 3 core

300 sqmm 3 core

400 Sqmm 3 Core

Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 160 mm dia suitable for 0.6 mpa working pressure complete all as directed by Engr-in-charge.

Boring of hole under road/pavement/hard standing or any other situation by manual means and suitable for passing of GI pipe 100 to 150 mm bore and making good both ends all specified and directed

S&F in replacement GI Pipe (light grade) with necessary accessories/ fittings for cable protections/pole for crossing of culverts/nallah of following bore sizes

Taking out faulty underground 11000 Volt HT cable of different sizes by excavation and removing PCC cover of any size and relaying in the same trenches or re routing after rectification of fault or replacing faulty portion of cable with new cable and removing of surplus soil and using new bricks as required. Note: (a) 11000 Volt HT cable & joints shall be measured and paid for seperately under respective items of schedule. (b) Retrieved old serviceable PCC cable cover will be laid in trenches for cable protection. If extra 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.

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following size :-

95 Sqmm 3 core.

120 Sqmm to 185 Sqmm, 3 core.

240 Sqmm to 300 Sqmm 3 core

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following size :-

95 Sqmm 3 core.

120 Sqmm to 185 Sqmm, 3 core.

240 Sqmm to 300 Sqmm 3 core

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following size :-

95 Sqmm 3 core.

120 Sqmm to 185 Sqmm, 3 core.

240 Sqmm to 300 Sqmm 3 core

Supplying, laying, jointing testing and connecting in replacement HT cable, 11000 volts (E) grade, with Aluminum conductor of size 1000 Sqmm, single core, XLPE insulated, PVC sheathed, screened, Armoured with GI strip(Earthed), screened by a layer of extruded semi conducting cross linkable compound, copper tape, cross laid up with prefiller complete all as specified and directed.

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 1 core XLPE armoured aluminium conductor cable 1000 Sqmm

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 1 core XLPE armoured aluminium conductor cable 1000 Sqmm

Supplying, installation, commissioning and testing in replacement of 11 KV Current Transformer (CT`s), indoor type, epoxy cast bar Primary type having ratio 800/400/5-5-5 Amps , core -1, Class 10 P20 , 15 VA for protection , Core 2 Class 0.5 , 15 VA for metering including associated wiring including taking down old UNSV CTs complete all as specified and directed

Supplying, installation, commissioning and testing of 11 KV Current Transformer (CT`s), indoor type, resin cast epoxy type, of 13.1 KA/Sec having ratio 300/150/5-5 Amps having Core1: Class 5P10, 10VA for protection , Core2: Class 0.5, 10VA for metering and associated wiring including taking down old UNSV CTs complete all as specified and directed

Supplying, installation, commissioning and testing of 11 KV Current Transformer (CT`s), indoor type, resin cast epoxy type, of 13.1 KA/Sec having ratio 250/125/5-5 Amps having Core1: Class 5P10, 10VA for protection , Core2: Class 0.5, 10VA for metering and associated wiring including taking down old UNSV CTs complete all as specified and directed

Supply installation & commissioning in replacement of 24V, 40A Float Cum Boost Battery Charger unit including battery bank comprising 02 Nos of 12 Volts, 00 AH sealed maintenance free batteries. The CCCV battery charger consisting of copper wound, air cooled transformer, 01 Set single phase full wave bridge rectifier consisting of diodes and SCRs, liberally rated mounted on heat sink and complete with resistor/condenser network for surge supperssion . During auto float mode automatic changeover shall take place from float mode to boost mode and vice versa, 01 Set of solid state constant potential controller to stabilize the DC output voltage of the float cum boost charger, 01 No electronic controller , DC digital ammeter , DC digital voltmeter, Potentiometer , DC, MCB for reverse battery protection . The charger should have alarm annunciation with visual and audible alarm with manual reset facility for fuse fail alarm. Float cum boost battery charger and DC distribution board shall be housed in powder coated sheet steel cubicle with panels of 1.6mm thickness , louvers for ventilation , gland plate will be provided for cable entry from bottom . The battery charger shall be divided into two compartments. The upper compartment shall house the battery charger & DCDB with all necessary controls. The lower compartment shall be suitable for housing the batteries. Tech specification shall be as under:- (a) Input working voltage-180 -270 Volts (b) Nominal Input Voltage - 230 V , AC , 50 Hz,1 (c) On load input power factor - > 0.8 (d) On load unit watt efficiencies-> 80% (e) No load losses of complete charge-< 10% (f) Ripple contents on the load (RMS)= 1% to 5% (g) Over load - 110% for 30 minutes and will give visual indication for over load condition. (h) Boost charging - 2.4 V/Cell . (j) Float charging -2.15 V/Cell (k) Float cum boost charging-Automatically changes from one state to another state as per battery condition and will give the visual indication for either float or boost based on charging mode. (l) Reverse polarity -No damage will caused . A visual indication for reverse polarity will appear with an audio alarm. (m) Short circuit-MCB protecton provided.

Supplying installation testing of factory made and tested Bus bar chamber outdoor type with canopy made out of 3.15 mm thick CRCA MS sheet and 25x25x5 mm thick MS angle iron frame work, powder coated finish over one coat of red oxide primer on outside surface and painted inside with two coats of red oxide primer, front opening type, with apron for cable entry closing locking arrangement of size not less than 450x400x300mm having 4 Nos angle iron legs of size 25mm x 25mm x 5mm of length 75mm including 4 Nos 500 Amp aluminium bus bar fitted with 01 No MCCB ,250 Amps TP ,25 KA, 415 V, 50 Hz as incommer Platform for the bus bar chamber with PCC 1:4:8 type D-2 with 40 mm graded crushed stone, 15 cm thick in foundation, brick work in CM 1:6 with sub class 'B', old size bricks, rendering 15 mm thick in CM 1:6 on exposed surfaces and 100 mm thick PCC padding 1:3:6, type C-1 using 20 mm graded crushed stone aggregate on top and grouting bolts etc for panel. The platform shall be such that it is of a height 45 cm above the nearest road level.

S&F in renewal on load change over switch open execution of capacity 400 Amps , 4 pole , 415 volt , 50 Hz fixed in any type of existing LT panel/Feeder piller including taking out old existing unserviceable change over from panels etc complete all as directed

All as per item No 23 here in before but 250 Amps 4 pole

All as per item No 23 here in before but 200 Amps 4 pole

Supply and fixing in renewal of 3 pole power contactor ML-6 Cat No SS90921 mounted on any type/description LT panel/feeder pillar/wall after taking down old existing un serviceable contactor complete all as directed.

Supply and fixing in renewal of 3 pole power contactor MNX-110 Cat No CS94137 mounted on any type/description LT panel/feeder pillar/wall after taking down old existing un serviceable contactor complete all as directed.

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

Vijay Electricals

Rajindera Enterprises

MV Engineers And Contractors

DS CONSTRUCTION

M P TYAGI ENGINEERS AND CONTRACTORS

mayur enterprises