PROVN OF INDEPENDENT FEEDER TO WSA AT AF STATION BKT

Amount

Supply, laying and connection in trenches/fixed to pole/under floor in pipe XLPE insulated, screened, PVC bedded steel strip armoured heavy duty electric cable for 11KV, earthed system of cross sectional area 95 Sq mm 3 core, complete all as specified and directed.

Excavation in trenches, in soft/losse soil not exceeding 1.5 mtr wide and not exc 1.5 mtr in depth for foundation etc. or for shafts , wells , cable trench , laying of pipe , cesspits , manholes , pier holes , etc n.exc 10 Sqm on plan and n.exc 1.5 mtr in depth and getting out , complete all as specified and directed.

Excavation in trenches, in soft/losse soil not exceeding 1.5 mtr width and exc 1.5 mtr but not exc 3.0 mtr in depth for erection of poles etc and getting out including forming bottom surface and sides all as specified and as directed at site by Engineer-in-charge.

Removing excavated surplus soil to a distance not exc 50m depositing where directed at a level n exc 1.5m above the starting point complete all as specified & directed.

Returing , filling in, including spreading , levelling, watering and well ramming in layers n. exc 25 cm thick complete all as specified and directed.

M&L sand filling with clean dry fine sand unwashed including gently punning around cables in trenches for cable protection complete all as specified and directed. Note: Punned thickness shall only be measured and paid.

Supplying and Laying unreinforced precast concrete cable cover as per IS-5820 : 1970 with average breaking load for unreinforced covers as 300 Kg class HV, Type-I flat size 300 mm x 180 mm x 40 mm for Cable Protection of 11 KV Cables.

M&L for drilling hole under hard standing /road in different locations as per site requirement (between 03 mtr to 12mtr maximum) for laying of pipe, for protection of cable etc by means of mannual bookle and without disturbing the top surface and making good the disturbed surface if any complete all as specified.

S&F light grade galvanized iron pipe 80 mm bore confirming to IS : 1239 and ISI marked with all fittings fixed on walls/poles/crossing of road etc for protection of cable complete all as specified and directed.

Supplying, installation, testing & commissioning of 11 KV , motorised Ring Main Unit (RMU )indoor type floor mounted, SF6 insulated both side extendable,1 way with internal copper bus bar and snap fit/ plug in bushing type arrangement consisting of 01 Nos 630 Amps ,minimum 21 KA Rupturing Capacity SF6 gas insulated circuit breaker having SF-6 switch gear stainless steel robotically ITIG/MIG welded enclosure with copper bus bars the coupling should be at the top of RMU through bolted connection & Sleeves bus bars covered with insulated boots. All live parts, bus bar , SF-6 circuit breaker will be enclosed in steel tank filled with SF6 circuit breaker at 1.4 bar with IP class IP 67 , leak rate less than 0.1% per year and tested for internal arc 20 to 25 KA for 01sec as per latest IEC 62271-200. with and including following accessories/work

(a) Dismantling existing HT 11KV PT metering panel both side extendable and refixing after (Supplying) fixing new additional SF-6 breaker including carring out control wiring from this PT to new additional breaker, connecting including any material required to connect with new breaker and testing -one Job

(b) SF-6 circuit breaker shall be motorized with 110 V DC control voltage to operate two position double spring mechanism. Each VCB shall have green (on)/ Red (off) push buttons to operate & Live cable LED indicators through voltage dividers mounted on the bushing

(c) The earthing shall be provided in each cable compartment to provide solid earthing for the cable shield . Each SF-6 circuit breaker (except bus Coupler) incoming shall be equipped with digital MFM to measure Amps , Volts , Frequency, PF, KWH , KVAR etc & 3 O/C +1 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. Relay shall record minimum 5 faults records with time stamping or as per manufacturer design.

(d) The switch gear shall have built in programming logic using reputed make PLC for automatic changeover between one motorized outgoing SF-6 Circuit breaker

(e) PLC shall also be wired to all SF-6 to monitor open/close status . The unit shall be supported with power pack of 110 Volt battery with battery charger (110 volt DC output ) for supply backup for PLC & motor operation . The unit shall include the following with all necessary standard fitting required at site.

(f) (i) supply and fixing SF-6 circuit breaker should have along with off load isolator and fault making type earthing switch. Resin cast ring dual core dual ratio type CT's 100-50/1 or 5, Protection Class 5P10- & Metering 100-50/1 or 5, CI 1.0-1 set on each

(f)(ii) LED type Indicators for On OFF, RYB type Phase Indicators, without CT. PT and Relays

(g) M&L for main wiring and inter locking wiring with accesseries of inter lock connection of one Nos incoming complete all as directed.

(h) Any civil work required for installation of panel.

Note:(i) Configuration and Schematics arrangement of RMU with existing shall be made. (ii) The existing panel are of Schneider make and proposed panel should refixing with existing panel.(iii) Contractor is advised to consider easy configuration make with exing scheneider make (iii) Drawing Shall be got approved from Garrison Engineer before fabrication

Supply and fix cable jointing kit for 11 KV grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 95 sqmm

Supply and fix cable jointing kit for 11 KV grade cable for out door termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 95 Sqmm

Supply and fix cable jointing kit for 11 KV grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 95 Sqmm

Supply and erection in truly vertical position of steel tubular swaged pole (410 SP-55), 11.0 mtr long, complete with cast iron base plate, pole cap/ finial taper plug, bolts, nuts and washers welded reduced section and longitudinal weld throught entire length of pole including 2 coats of black bituminous paint externally upto planting depth and remaining exterior portion of pole shall be provided with one coat of red oxide primer and two coats of aluminium paint and numbering of the pole etc, complete all as specified and directed . Note: Excavation, earth work and PCC shall be measured and paid for separately.

M&L for Cross arms, bracings, supports, clamps and back plates fabricated rectangular pole structure (for 33 KV CT, PT, Gang & LA etc.) & back plates from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint all as directed.

M&L PCC type D2 1:4:8 (40 mm graded stone aggregate) as in foundation complete all as specified and directed.

M&L for PCC 1:3:6 type C-2 using 40 mm graded stone aggregate as in foundation, filling and mass concrete etc complete all as specified & directed.

M&L PCC type B1 1:2:4 12.5 mm graded stone aggregate as in coping complete all specified and directed.

Material & Labour for outdoor type Gang operated Air break switch triple pole, mechanically operated, mounted on insulator and steel frame,with operting mechanism worked from ground level with GI pipe medium grade, for current rating upto 200 Amps suitable for vertical mounting fixed type complte with 09 Nos HT insulators suitable for HT 11 KV complete all as specified and directed. Make :- Jaipuria/ Pactil /GEC

Material & Labour for HT Drop out fuse assembly of 11 KV Current Rating of 200 Amps with 2 post insulator per phase,double stack channel type incl steel base mounting frame,MS Nuts and bolts complete all as specified and directed. Make :- Jaipuria/ Pactil /GEC

M&L for Earthing complete with galvanized steel earth plate 600mm x 600mm x 6 mm thick, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to galvanized iron strip 32 x 6 mm as Earthing lead by means of bolts, nuts, check-nuts, and washers of galvanized iron or steel beside welding at all joints as shown in drawings and including excavation and earth work, GI pipe light grade 40mm bore for protection of GI wire from earth electrode to and including the earth test point of galvanized iron/steel of size 75x75x25mm, supplying and laying charcoal dust , common salt, PCC 1:2:4 type B1 chamber and MS angle iron frame 40x40x3mm and RCC cover 40mm thick (1:2:4) type B1 using 20mm graded stone aggregate reinforced with 6mm dia round bars @ 75mm C/C both ways with MS handle 12mm dia, PGI funnel and wire mesh, 20mm dia GI pipe medium grade for watering all as shown in plate No. 3 of SSR Part I of 2009 and connected to earth test point including testing complete all as specified and directed.

Supply and erection of non-linear resistance type lightening arrestor, suitable for 3 Phase, 11 KV overhead lines, with rated voltage at 9 KV(RMS) with nominal discharge current rating of 5 KA complete with galvanized clamping arrangements, GI nuts, bolts and washers complete all as specified and directed.

Taking out old serviceable/unserviceable under ground cable from trenches/poles/pipe/floor of size 95 sqmm 3 core complete as directed.

Relaying of cable obtained from taking out XLPE insulated,armoured heavy duty electric cable with aluminium conductor,11000 volts cross-sectional area 95 sqmm 3 core all as specified and as directed.

M&L for Precast RCC 1:2:4 type B-1 (using 20mm graded stone aggregate) route Indicator suitable for mounting on route of HT/LT cable of size 45cm (width)x10cm (deep)x 100cm overall height, embedded to the depth not less than 45cm below ground level at a destance 50 mtr, complete all as specified & directed.

Unnati Engineers (BID ID -3207170)

Industrial Traders (BID ID -3203607)

Eco Creations (BID ID -3205141)

UNITED ENGINEERING CORPORATION (BID ID -3207157)

Shree Kanth Technologies (BID ID -3207457)