PROVN OF EXTERNAL ELECTRIFICATION TO MARRIED ACCN FOR OFFICER AND PI STAFF POSTED TO NCC AT PUDUCHERRY INCLUDING NCC OFFRS MESS AT PUDUCHERRY

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth and getting out in soft and loose soil for laying of cables of any size etc. all as specified and directed.

Excavation in trenches not exceeding 1.5m wide and depth exceeding 1.5m and not exceeding 3.0m and getting out in soft and loose soil for foundation all as specified and directed.

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

Removing surplus excavated soil to a distance n.exc 50 m and depositing where directed at a level n. exc. 1.5 m above the starting point in soil all as specified and directed.

Material and Labour for dry river sand filling in trenches for laying/ cushioning of cables including cleaning, spreading, levelling, punning complete all as specified and as directed. Note : Punned thickness shall only be measured and paid.

Supply and lay burnt Bricks, old size, sub class "B" of size 230 x 115 x 75mm, laid flat adjacent to each other, perpendicular to cable with width equal to length in trenches for protection of cable, etc., complete all as specified and as directed.

Supply and install Prestressed concrete pole, 11.0 metres long, 152mm x 152mm at top and l52mm x 260mm at bottom, class 9 factory made confirming to IS:1678-1998 end capping at both ends of each pole shall be done by applying three coats of approved quality anticorrosive bituminous paint as per direction of Engr-in-Charge complete all as specified and as directed.

Material and labour for lightning arrestor (HT) metal oxide type complete with all fittings linear resistor type and discharge capacity 65 KA suitable for 22000 volts transmission class complete all as specified and directed.

Supply and fix disc insulator, porcelain, vitreous, white or brown/green disc 145mm height, 255mm dia ball and socket, single disc assembly type for 22000 volts grade complete all as specified and directed.

Supply, install, testing and commissioning drop out fuse set, of HT 22 KV, 20 Amps fuse link consisting of channel iron base having 02 Nos, 22 KV post type insulators per phase, in stack , total 3 stack one each per phase complete with fuse carrier of SRBP tube with heavily tinned non ferrous metal parts and spring loaded phosphor bronze contact complete manufactured as per IS-9385 complete all as specified and directed.

Supply, install, testing and commissioning HT 22 KV, 200 Amps, three phase outdoor type, gang operated single break switch tilting type, vertical mounting consisting of hot dip galvanised channel iron base having 2 Nos 22 Kv Post type insulator in stack and three stack per phase and total three stack for three phase HT system, copper or copper alloy high pressure heavily tinned contacts plated MS arcing horns capable of breaking the magnetizing current complete with operating mechanism consisting of horizontal operating bar, GI pipe not less than 32mm dia of suitable length for operating GOD from ground. Operating handle should have insulated grips, locking arrangement with one number lock all complete as specified and directed.

Supply and fix pin type insulator, porcelain, vitreous, white or brown/green including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut 150mm height, 150mm dia for 22000 volts grade complete all as specified and directed.

Material and labour for MS work for cross arm bracings, supports, clamps and back plates fabricated 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 of one under coat and one finishing coat of paint complete all as specified and directed.

Material and labour for GI tubing 'Light grade' of size 100mm bore for cable protection/ earth strip protection with all fittings and laid in trench or laid in floor all as specified and directed.

Supply, laying, testing and commissioning of LT under ground XLPE insulated, armoured, heavy duty, electric cable with stranded aluminium conductor, 1100 volt grade confirming to IS-7098 (Part- I) 1988 laid in trenches/ wall / floors / ducts etc fixed with saddle & clamps or passing through pipes complete with brass cable glands of suitable sizes and end connection with proper thimbles nuts bolts washer etc., complete all as specified and all as directed for the following sizes:-

3.5 core x400 sqmm

3.5 core x 300 sqmm

Supply and fixing of SWG Copper wire with alkaline Pipe for 22KV HT Jumpers at double pole structure complete all as specified and as directed.

Supply of Arial board with required fuse base and nut including accessories complete all as specified.

Supply & fabrication, erecting testing of SS pillar box with 14 SWG CRCA Sheet with base frame, 800A with suitable Aluminium bus bar, to incoming 8 way outgoing fuses and base with front door arrangement the whole assembly should be provided with anti-corrosive powder coating incomer 800A, incomer back feeding provision complete as specified. Note: Pillar Box to be mounted on suitable angle legs with necessary PCC platform as directed by GE

Supply & fabrication, erecting testing of feeder pillar box with 14 SWG CRCA Sheet with base frame, 600A with suitable Aluminium bus bar 4 way out going fuses and base with front door arrangement. The whole assembly shall be provided with anti-corrosive powder coating complete all as specified and as directed. Note:- (a) The rate quoted shall be inclusive of connecting the incoming and outgoing cables with proper cable glands and lugs etc. (b) Pillar Box to be mounted on suitable angle legs with necessary PCC platform as directed by GE

Supply and installation of 630A MCCB, 3 pole, with 50kA breaking capacity with required accessories to be mounted on suitable 14 SWG CRCA sheet metal enclosure with openable door with mounting angle iron legs on PCC platform complete all as specified and as directed by Engr-in-charge.

Supply and erecting of HT stay set with stay strands of size 7strands/3.5mm and stay rod of dia 16mm and 1.8m length along with all accessories complete all as specified.

Supply and fixing of 3.5x300 Sqmm aluminium armoured UG Cable cold shirankable end termination complete all as specified and as directed

Supply and fixing of 3.5x400 Sqmm aluminium armoured UG Cable cold shirankable end termination complete all as specified and as directed

Supply and erection of Distribution Transformer 315 KVA, 22 KV /433V, 3 Phase 50 HZ, outdoor type, pole mounted, Energy Efficiency Level-2 i.e, max value of total losses @50% load-1003W and @100% load-2888W, ONAN,Copper winding,OFF Load Tap switch having 7 Positions with voltage correction in steps of 2.5 % (+5% to -10%) with all relevant accessories shall be provided confirming to IS 1180-2014 and amended up to date norms and comprising of following accessories:-

(a) LV secondary side consisting of 4 Nos open bushing rods with nuts & washers. (b) Oil conservator with oil level gauge. (c) Dehydrating breather with first filling of dehydrating agents/silica jel. (d) Explosive vent (e) Thermometer pocket (f) Two earthing terminals on tank body to facilitate fixing of 32 x 6 mm GI strips. (g) 01 No thermometer dial type vapor pressure type having range 0 to 120 degree centigrade with maximum temperature indicator and resetting device to maximum temperature including needles of temperature gauge max reading pained terminal.

(h) Oil level gauge (j) Oil drain valve with plug (k) Air release valve/plug (l) 4 Nos plain solid cast steel detachable rollers. (m) Oil filling port on top cover with plate. (n) Extra bushing for neutral out side the cable box and providing independent earthing for neutral. (o) First fill transformer oil confirming to relevant IS. (p) Vector group : DYN 11

Note : 1) Quoted rate is deemed to be inclusive of Factory Inspection/Testing of the Transformer before dispatch by an E/M Officer nominated by the Accepting Officer 2) Rate quoted shall be deemed to include necessary pole in ground for mounting of Transformer as per OEM Instructions. 3) Contractor shall obtain prior approval of make from the GE before commencement of work. 4) Manufacturer's test certificate shall be submitted. 5)The whole work shall be executed by the contractor with liaison as required by PSEB and MES 6) No additional cost will be paid to the contractor over and above the quoted rate. 7) Charges for preparing Drg site plan , SLD, List of load distribution, Precommissioning testing, meagering, after submitting report to Puducherry electricity department, arranging CEA HT installation and charging of new transformer and HT installation & getting safety and clearance from state electricity department are deemed to be included in the quoted rate.

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