SPECIAL REPAIR/REPLACEMENT OF LT XLPE UG CABLES OF LIVING ACCN OF JCOS/ORS, OR MESS, JCO MESS, OFFICES COMPLEX , STORES, OFFICER MESS STREET LIGHT POLES ETC AT 1 WEC UNDER GE U ELECT SUPPLY, DELHI CANTT10

Amount

Supplying, laying, jointing testing and connecting in replacement XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, IS 7098 marked, suitable for LT 1100 Volt system, laid in trenches fixed to pole, including jointing & testing complete all as specified and directed of following sizes:- Note :- Excavation, earth work ,cable protection , sand fillings , cable joint shall be measured and paid separately under respective items of schedule.

All as in item No 1 here-in-before but 16 Sqmm 4 Core

All as in item No 1 here-in-before but 25 Sqmm 3.5 core

All as in item No 1 here-in-before but 35 Sqmm 3.5 core

All as in item No 1 here-in-before but 50 Sqmm 3.5 core

All as in item No 1 here-in-before but 70 Sqmm 3.5 core

All as in item No 1 here-in-before but 95 Sqmm 3.5 Core

All as in item No 1 here-in-before but 120 Sqmm 3.5 core

All as in item No 1 here-in-before but 150 Sqmm 3.5 core

All as in item No 1 here-in-before but 185 Sqmm 3.5 core

Supply, installing, testing and commissioning in replacement of factory made and tested Bus bar chamber outdoor type with canopy made out of 3.15 mm CRCA MS sheet, and 40x40x5mm 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 450mm x 450mm x 300mm with 4 Nos 500 Amps aluminium bus bar and with 200 Amp MCCB, 4 pole, 36 KA, 415 Volt 50 Hz including excavation, earth work and 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 sotne aggregate on top and grouting bolts etc for Bus bar chamber. The platform shall be such that it is of a height 45 cm above the nearest road level.

Boring of hole under road/pavement/hard standing or any other situation by mannual means and suitable for passing of GI pipe 40 to 100 mm bore and making good both ends all specified and directed

M&L for GI tubes of size 100 mm dia (light grade) with necessary accessories/ fittings for cable protections/pole for crossing of culverts/nallah complete all as specified and directed.

M&L for GI tubes of size 80 mm dia (light grade) with necessary accessories/ fittings for cable protections/pole for crossing of culverts/nallah complete all as specified and directed.

M&L for GI tubes of size 50 mm dia (light grade) with necessary accessories/ fittings for cable protections/pole for crossing of culverts/nallah complete all as specified and directed.

M&L for GI tubes of size 40 mm dia (light grade) with necessary accessories/ fittings for cable protections/pole for crossing of culverts/nallah complete all as specified and directed.

Supply and fix in replacement MCCB 200 Amp, 3 pole , 25 KA, 50 Hz with MCCB sheet metal enclosure mounted on wall with fastner and suitable size of nut and bolts after taking down old existing un serviceable MCCB/SDFU complete all as specified and directed..

Earthing complete with galvanized steel earth plate electrode of size 60cmx60cmx6 mm thick, buried directly in ground (earth pit not less than 3.5 m below normal ground level) with top edge of earth plate not less than 2.5m below normal ground level, connected to galvanized iron strip 32X6 mm by means of electric arc welding of galvanised iron or steel as shown in electrical plate No 3 of SSR Part I, connected to earth test point and the equipment on the other side complete all as specified, including testing and commissioning complete all as directed. Note : (a) The unit rates quoted against this item shall be deemed to include the cost of excavation and earth work in any type of soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 40mm bore GI pipe light grade etc. (b) The quoted rates shall also deemed to include the cost of earth test point and earth strip/GI earthing and protection pipe upto 7.5 meter beyond the earth plates electrode.

S&F in replacement KIOSK box wheather proof including made out of one piece mounted SMC base and door pole mounted hinged door size 333x233x120mm out side and 300x200x105mm inside dimensions comprising of aluminium bus bar 4 strips for 3 phase and neutral 63 Amps and 15 Amps fuse grip with base including embossing/painting of danger notice of size not less than 10cm x 7.5cm with letters, figures and conventional skull and bones in signal red colour on front face of KIOSK box body complete all as specified and directed.

Supplying , installation, testing and commissioning of 11 KV, 630 Amps having short circuit capacity 20kA/3-sec, Outdoor (IP54), RMU (Ring main unit) 8-way (03 No Incomer and 05 Nos Outgoing) comprising of 03 Nos motorized operated Load Break Switch and 05 Nos 630 Amp Fixed-Type motorized spring-charging VCB electrolytic grade copper busbars all inside single, gas-filled, robotically welded stainless steel 304 (Non Ferrite Non Megnetic Grade) tank with min. thickness 3+0.5 mm, IP 67 Degree of Protection , internal-arc classified 20kA/1sec, on-site-repairable with site replacable bushing/coupling/mechanism, gas refilling etc. The enclosure shall have padlockable double-door access with anti-theft higes, fully covering the front facia and cable boxes to ensure fail-safe anti-theft protection. The unit alongwith Bus-connected, fixed-type Auxiliary transformer shall include the following along with all necessary accessories and fittings as required at site.

(A) 03 Nos. Incoming Load Break Switch module each consisting of following accessories :- (i) Each switching-unit is designed as a three position switch. This three function switch combines the functions of switch-disconnector and earthing switch. (ii) 11kV, 630A Load Break Switch with interlocked line-earthing scheme both short circuit current - 20kA/3-sec, Making Capacity - 50kAp -01 No (iii) Auxiliary contacts - 1NO + 1NC-01 No (iv) Spring-assisted snap-action motorized mechanism with un-inhibited operating shaft for emergency manual operation with integrated earthing switch -01 No (v) Cable terminals (site replacable Cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes) with double-door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access upto 11 KV , 300 Sqmm , 3 Core , XLPE AL cable termination in live-condition. Each Set of 03 (vi) Right angle boots (push on type)-Each Set of 03 (vii) Arc proof cable covers having cable entry from bottom , front with Interlocking mechanism including earth switch -01 No (viii) Capacitive voltage indication fixed type system as per IEC61243 with LED - 01 Set (ix) Fault Passage Indicator - It is to be provided for each incomer load break unit, FPI with LED/digital display to be added for detection of cable fault-01 No (x) ON, OFF, EARTH mechanical indication on the front mimic of the panel - 01 No

(B) 05 Nos. Outgoing VCB module each consisting of following accessories :- (i) Each function-unit consists of a vacuum-circuit breaker in combination with a three position-switch.The three-position-switch fulfills the operation of the disconnector-function and earthing function. (ii) 11kV, 630A Fixed-Type VCB module with series disconnector cum earthing switch of short circuit breaking current/withstand - 20kA/3-sec, Making Capacity - 50kAp-01 No (iii) Aux. contacts - 1NO+1NC-01 No (iv) Stored-energy motorized high-endurance spring charging mechanism (M1+), with inbuilt spring-charging lever and mechanically latched ON/OFF push-buttons to allow handle-less and un-inhibited operation -01 No (v) Cable terminals (site replacable Cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes) with double-door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access upto 11 KV , 185 Sqmm , 3 Core, XLPE AL cable termination in live-condition. Each Set of 3 (vi) Right angle boots (push on type)-Each set of 3 (vii) 3O/C + 1E/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.Relay shall record minimum 5 fault records with time stamping. Relay shall be communicable with RS 485 Port on MODBUS Protocol-01 No (viii) Associated ring-core cast-resin insulated CTs 100/1 Amp , 2.5 VA, 10P10 for protection for two outgoing and CTs 300 /1 Amp for three outgoing- Each Set of 3 (ix) Arc proof cable covers with self Interlocking mechanism with earth switch -01 No (x) Capacitive voltage indication fixed type system as per IEC61243 with LED -01 No (xi) Push button for breaker trip (xii) Shunt trip coil 24V DC - 01 (xiii) ON, OFF, TRIP mechanical indication on the front mimic of the panel - 01. (xiv) Emergency Trip Push Button - 01.

(C) 01 No. Bus-connected, fixed-type Auxiliary transformer with floor-mounted compartment of matching height and depth, positioned along-side RMU to provide required aux. supply and metering consisting of following accessories :- (i) 1-Ph (11kV/rt3):230VAC, 500VA Auxiliary transformer-01 No (ii) 2x12 Volt DC battery-01 Set (iii) Battery charger-01 No (iv) HRC fuse-links for primary side isolation and AC/DC MCBs for secondary isolation-01 Set (v) Voltmeter & RYB LED Indications to confirm AC/DC supply availability-01 Set (vi) Anti-condensation space-heater-01 No (vii) CFL lamp for illumination and 3-pin socket with switch -01 No

(D) Additional equipment deliverd separately or mounted seperately :- (i) Operationg Handle for Manual Isolator/Disconnector/Earthing Operation-02 Nos (ii) Standard Manometer -01 No (iii) Operation and Maintenance Manual -01 No (iv) Installation & Commissioning Manual -01 No (v) Cable clamping provision (standard) -01No

Note:- (i) It is preferable to have all feeder-switches inside single stainless steel compartment with incomer feeders at the extremities to prevent chances of failure due to plug-in coupling arrangement. (ii) Necessay interclocking arrangement shall be provided for safety and operations (iii) Above switchgear shall confirm to relevant IEC (62271-200) for design, manufacturing and internal arc compliance. Any claims towards internal arc compliance, number of mechanical/electrical/short-circuit operations, gas-leakage rates etc. shall not be accepted unless proven via type-test reports of model being offered. (iv) Cost of provn of plinth for RMU as per OEM drawing is deemed to be included in the cost.

M&L XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured,electric power cables (heavy duty) with aluminium conductor, 11000 volts, grade cross sectional area 120 sqmm, 3 core.

M&L 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 size 70 sqmm to 120 sqmm.

Excavation in trenches not exceeding 1.5 metre wide & not exceeding 1.5 meter in depth for foundation,laying of cable or pipe ( where provided for protection of cable or fixing with poles and stays) and getting out in any type of soil including trimming the sides and forming bottom surfaces to required levels complete all as specified and directed.

Returning, filling in trenches in soft/loose soil in layers n.exc. 25 cm after laying of cables including spreading, levelling, and well ramming complete all as specified and directed.

Removing surplus excavated soil to a distance n.exc. 50 metre and depositing where directed at a level n.exc.1.5 metre high from the starting point.

M&L for sand filling in trenches with clean dry unwashed sand free from sharp particles, gently punning around the cables complete all as specified and directed.

Supply and laying brick old size, sub class 'B' brunt bricks laid in trenches as cable cover across the cable in trenches complete all as specified and directed.

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

Supply, fixing and testing straight through joint heat shrinkable type with jointing kit suitable for cable PVC/XLPE insulated armoured heavy duty aluminium conductor 1100 Volts grade 70 to 150 Sqmm, 3.5 Core complete all as specified and directed.

NOTE :-(i)contractor should 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.

mayur enterprises

MV Engineers And Contractors

Microsys Controls India

Ridhi engineers and builders

Buddham Builders