PROVN OF INDEPENDENT FEEDER TO MAFI PS-I FROM 33 KV SUBSTATION AT AF STN BKT

Amount

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 m deep in soft/loose soil) for laying of cables or GI pipe and getting out including levelling of bottom surface to required level complete all as specified and directed

Excavation in trenches in hard/dense n.exc 1.5m wide and exc 1.50m but n.exc 3.0 m in depth for foundation or shafts, wells cesspit, manholes, pier holes,cable laying, sewage/water lines etc complete all as specified and directed.

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 m away and depositing where directed at a level n. exc. 1.5 m above the starting point complete

Supply and laying Sand coarse dry as in cushioning of underground electric cable in trenches, laid to a uniform thickness of 23 cm (15 cm under the cable & 8 cm over the cable) and gently punned down to 18 cm thickness all complete as specified and as directed. Note : Punned thickness shall be measured & Paid separately

Supply and laying un-reinforced precast concrete cable cover, class HVP, type 1 with peak, size 300mm x 180mm x 40mm for cable protection of 11 KV cables complete as specified and directed.

Supply laying and connecting XLPE insulated, screened, PVC bedded galvanized steel strip or wire armored,electric power cable confirming to IS-7098 Part-II and ISI mark (heavy duty) with aluminium conductor, 11000 volts Earthed, grade cross sectional area 95 sq. mm, 3 core complete all as specified and directed.

M & L Cable route indicator comprising of CI wiser of size 200 mm dia embossed as HT power cable fixed to MS angle iron of size 50x50x6mm graded stone aggregate of block size 300x300x450mm including two coats of aluminium paint over a coat of aluminium red oxide primer including necessary earth work complete all as specified and directed.

Supply, laying, testing and commissioning Cable jointing kit for 11 KV (Earthed) grade cable for outdoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed.

Supply, laying, testing and commissioning Cable jointing kit for 11 KV (Earthed) grade cable for outdoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed.

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 size 50 Sqmm to 95 Sqmm 3 core complete all as specified and directed.

Supply, installation, testing and commissioning outdoor type 11 KV, 630 Amps, Extensible on both side, outdoor fixed type (IP54), RMU (Ring Main Unit) 3 way comprising of 02 No LBS as incoming and 01 No outgoing 630 Amp Vacuum circuit breaker. Inside robotically/ manually/TIG welded stainless steel 304 (Non ferrite Non magnetic Grade) filled with SF6 gas at suitable pressure in accordance with the IEC, IEC-62271-103, tank having min thickness 3 (+/-) 0.5 mm having IP 67 degree of protection. The RMU tank shall provide full insulation, making the switchgear insensitive to the environment with degree of protection of IP67. The RMU shall be suitable for operations at a height 1000 m above sea level and at 40 degree ambient temperature without any derating. RMU should be provided with internal busbar as well as earthing busbar should be copper, padlock provisions & complete all accessories. The RMU shall be type tested for internal arc test of 21KA/0.1 Sec as per IEC-62271-200. RMU shall be equipped with site replaceable bushing. The earthing busbar shall be provided inside the each cable compartment for solid earthing of cable shields. The outer enclosure main door should cover entire part of the switchgear including front cover and cable doors for providing complete IP54 protection including raised foundation of suitable size, minimum 50 cm above and 01 meter below the natural ground level all as per manufacturers drawing. The unit shall include the following along with all necessary accessories and fittings as required at site all as specified & directed.

(A) Incoming Load Break Module -02 Nos Each consisting of following accessories (i) Each switching – unit is designed as a three position switch. This three function switch combines the function of switch – disconnector an earthing switch (ii) 11 KV, 630 A Load Breaker Switch with interlocking line -earthing scheme both short circuit current, 21 KA for 3 Sec Making capacity – 50 kAp- 01 No (iii) Auxiliary contacts – 1 NO + 1 NC- 01 No. (iv) Spring assisted motorized mechanism with un-inhabited operating shaft for emergency manual operation with integrated earthing switch – 01 No (v) Cable terminals cable bushing situated not beyond 300 mm or as per OEM tested design from cable cover to allow ease of access for installation/testing) with door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access of size upto 11 KV, 300 Sq mm, 3 Core, along with XLPE AL cable termination / End Kits Each set of 3 (vi) Right angle boots (push on type) Each set of 3 (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 IEC 6123 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 to detection of cable fault – 01 No (x) ON, OFF, Earth mechanical indication on the front mimic of the panel – 01 No Cable cover standard - 01.

(B) Outgoing VCB Module - 01 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 fulfils the operation of the disconnector and earthing function. (ii) 11 KV, 630 Amps Fixed type VCB module with series disconnector cum earthing switch of short circuit breaking current / withstand, 21 KA for 3 Sec Making Capacity – 50 kAp - 01 No (iii) Auxiliary contacts – 1 NO + 1 NC- 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-inhabited operation – 01 No. (v) Cable terminals cable bushing situated not beyond 300 mm or as per OEM tested design from cable cover to allow ease of access for installation/testing) with door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access up to 11 KV, 185 Sq mm, 3 Core, along with XLPE AL cable termination Each set of 3 (vi) Right angle boots (push on type) Each set of 3 (vii) 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 facilities 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/per VCB outgoing. (viii) Auxiliary Relay for OTI / WTI – transformer protection – 01 No

(ix) Associated ring Core cast- resin insulated CTs Dual Ratio 100/50/1-1 or 81/40/1-1 or 50-25/1-1 Amp as per site reqmt (for metering and protection) 2.5 VA, 10 P 10 Protection – Each set of 3 (x) Arc proof cable covers having cable entry from bottom, front with interlocking mechanism including earth switch – 01 No. (xi) Capacitive voltage indication fixed type system as per IEC 6123 with LED – 01 Set (xii) ON, OFF, Earth mechanical indication on the front mimic of the panel – 01 No (xiii) Emergency trip push button – 01 No. (xiv) CB mechanical operation should be min 10000 Nos without any maintenance. (xv) Vacuum Interrupter and VCB must be RMU manufacturer’s own make for better life cycle optimization.

(C) Bus connected, fixed type Potential and Auxiliary transformer with floor mounted compartment of matching height and depth, positioned alongside RMU to provide required aux. supply for spring charging motor and metering, consisting of following accessories:- (i) 1-Ph 11 KV/110V, class 0.5 potential transformer – 03 Nos for metering. (ii) 1-Ph (11 KV/rt3), 230 VAC, 250/500 VA Auxiliary transformer – 01 No for battery charging. (iii) 11 KV Tri vector Energy Meter of Class 0.5 accuracy with RS 485 Communication – 01 No per VCB o/g (iv) 2x12 Volt DC battery – 01 Set (v) 230 VAC/24 VDC Battery charger – 01 No, with indication of status of functioning (vi) HRC fuse links for primary side isolation and AC/DC MCBs for secondary isolation – 01 Set (vii) Voltmeter & RYB LED indications to confirm AC/DC supply availability – 01 Set (viii) Anti condensation space heater with thermostat – 01 No (ix) LED lamp for illumination and 3 pin socket with switch – 01 No

(D) Standard manometer -01 for each tank, Operating handle - 01, cable clamping provision (standard)-01/for every cable entry, Operation and maintenance manual - 01, installation and commissioning manual - 01, RMU Foundation as per OEM Recommendation (Earth Work and PCC works) for placing RMU on plinth is deemed to be included in the cost quoted.

NOTE:- The above module consisting of Load break Switches and VCBs shall be aligned appropriately and must have electrical and mechanical interlocking as per latest electrical safety norms.

Supply and fix air break switch gang operated tripple pole mechanically operated mechanism, switch air break gang operated mounted on 15 Nos insulator and steel frame with operating rod of 25 mm bore GI Pipe and locking arrangements worked from ground level for current rating 200 Amps, HT 11 KV grade including drop out fuses and necessary silver copper coating jumpers and making all electrical connections complete all as specified and directed.

M&L for earthing with galvanized steel earth plate electrode of size 600mm x 600 mm x 6.0mm buried directly in ground (earth pit not less than 2.25 Mtr below normal ground level) connected to galvanized earth lead strip of size 25mm x 4mm by means of bolts, buts, check nuts and washers of galvanized iron on steel including 40mm dia medium grade GI tubing for protection of earth lead, MS sheet metal funnel with wire mesh, watering pipe medium grade 20mm dia charcoal or coke and common salt in alternative layer n.exc 150mm thick compacted thickness all around the electrode with concrete earth pit of PCC 1:3:6 type C-1 using 20mm graded stone aggregate and RCC cover of size 540 x 540 x 50 mm in RCC (1:2:4) type B-1 using 20mm graded stone aggregate reinforced with 8 mm dia TMT bars @ 100mm centre to centre both ways and suitable handle made of 10mm dia round bar including aluminium strip of size 25mm x 3mm for extension of earth lead and necessary excavation, earth work in soil/ loose soil and disposal to a distance not exceeding 50 Mtr and necessary connection and testing complete all as shown on electrical plate No 3 and all as specified and as directed.

Supply erection in truly vertical position of steel tubular swaged pole (410 SP-55), 11 mtr long, complete with cast iron base plate, pole cap/ finial taper plug, bolts, nuts and washers welded reduced section and longitudinal weld through entire length of pole including 2 coats of black bituminous paint externally up to 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 separately.

S&F Cross arms, bracings, supports, clamps and back plates fabricated 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 aluminium paint on 2 pole 11 KV HT structure complete all as specified and directed.

Supply and lay GI pipe light grade as cable protection laid on trench/floor, fixed on pole/wall etc of following sizes of size 100 mm dia complete all as specified and directed.

M&L for PCC 1:4:8 type D2 using 40 mm graded stone aggregate for foundation of poles complete all as specified and directed.

M&L for PCC 1:3:6 type C2 using 40 mm graded stone aggregate for foundation, filling and mass concrete etc complete all as specified and directed.

M&L for PCC 1:2:4 type B1 using 20 mm graded as in, coping and finishing the surface even and smooth without using extra cement complete all as specified and directed.

M&L for Boring of holes under road, pavement, hard standing by trenchless technology or as required at site for laying /fixing of 100 mm dia GI pipe to passing the cable complete all as specified and directed.

M&L Anti-climbing device; spikes type fabricated out of M.S. bars (round, square and flat) including nuts, bolts, washers and welding in two halves made to shape to suit the cross section of the pole complete all as specified & directed.

M & L Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20cm size complete all as specified and directed.

BHARAT ELECTRICAL TRADERS (BID ID -3409644)

Diamond Electric Co. (BID ID -3411289)

R D Bansal (BID ID -3409591)

M/s. S.S. Refrigeration, Bareilly (BID ID -3410246)

UNITED ENGINEERING CORPORATION (BID ID -3408716)

R.S ENGINEERING TRADERS (BID ID -3415103)

Roy and Sons Infrastructures (BID ID -3409659)