CA NO CWE/CHM(U)-43/2021-22 PROVN OF ALTERNATE HT SUPPLY CONNECTION FOR SS 17B NEAR KOI AND HT RMU AND HT RING MAIN CABLE BETWEEN SUB STNS AT JCOS/OR MD ACCN AND SUB STN NEAR SAPPS SECTOR D AND AUGMENTATION OF ELECTRIC SUPPLY AT AREA CONNECTED WITH

Amount

Excavation in trenches in hard/dense soil not exceeding 1.50 metre wide and not exceeding 1.50 metre in depth, for laying of cable and getting out complete all as specified and directed.

All as per item No 1 above but depth exc 1.5 mtr and not exe 3.0 mtr.

Returning filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick each complete all as specified and directed.

Removing excavated soil to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as specified and directed.

Supplying and laying un-reinforced precast cement concrete cable cover, class HV, type 1 flat , size 300mm x 180mm x 40mm complete all as specified and directed.

M & L dry sand filling under and around UG cable to provide cushioning complete all as specified and directed. Note. Punned thickness shall be measured seperately.

M & L for HDPE pipe 100 mm bore for cable protection on poles/walls/under road/culvert etc complete all as specified and directed.

M & L for GI pipe 100 mm bore light grade for cable protection on poles/walls/under road/culvert etc complete all as specified and directed.

S & F in trenches, ducts or fixing along the poles or passing through pipes or laid under floors etc and testing XLPE insulated , screened PVC bedded, galvanised steel strip armoured, heavy duty HT power cables with aluminium conductor, 11000 volts grade cross sectional area 95 sqmm 3 core, 11 KV earthed, complete all as specified and directed.

S & F in trenches, ducts or fixing along the poles or passing through pipes or laid under floors etc and testing XLPE insulated , screened PVC bedded, galvanised steel strip armoured, heavy duty HT power cables with aluminium conductor, 11000 volts grade cross sectional area 240 sqmm 3 core, 11 KV earthed, complete all as specified and directed.

S & F in trenches, ducts or fixing along the poles or passing through pipes or laid under floors etc and testing XLPE insulated , screened PVC bedded, galvanised steel strip armoured, heavy duty HT power cables with aluminium conductor, 11000 volts grade cross sectional area 185 sqmm 3 core, 11 KV earthed, complete all as specified and directed.

Supply , install, testing and commissioning of 11 KV 630 Amps 21 KA for 3 sec SF6 insulated, one side extensible outdoor duty 5 way ring main unit completely motorized as well as manually operated in combination of 2 Nos VCB as Incomer and 3 nos VCB as outgoing alongwith bus PT metering module, consisting of copper busbar in SF6 insulated 304 (Non-Ferrite Non-Magnetic Grade) stainless steel enclosure of thickness 2.5 mm with manometer fixed, with series trip, self-powered microprocessor based numerical over current relay (IDMTL+Inst.) with Modbus protocol compliant RS485 port for overload/earth fault/Transformer protection & short circuit protection in each VCB feeder. The breaker shall have mechanical ON /OFF indicator with hand trip device and spring charging, spring release coil, auxiliary switch of 2 NO +2NC. The HV switchgear and control gear should be confirming to IEC-62271-100, IEC-62271-200-2003 & IEC-60694-1996. The RMU should be internal arc tested for 21 KA for 1 second with IAC-AFL classification for gas tank and gas to be released from the rear top or rear bottom from operator. The complete RMU along cable chamber to put to an outdoor enclosure to have ingress protection of minimum IP54. Each feeder should have voltage presence indicator. RMU Should have 01 no manometer for each tank and the followings:

[a] For each VCB - Vacuum circuit breaker module with vaccum circuit breaker 12 KV 630 amps, three position isolator/earthing switch, bus bars, interlocking , earth bar and stored spring energy mechanism with and including the followings:- [i] 1 no. microprocessor based self powered numerical relay with over Current/ earth fault & short circuit protection with each VCB feeder. Make of relay - As specified in Appx 'B' [ii] 3 Nos. Protection ring core CTs of Burden 2.5VA, ratio 100-50/1A, Class of Accuracy class 5P10 of IS 2705-part III 1992 for O/C and E/F protection for each VCB. [iii] Right angle boots for all the feeder Modules [iv] Mechanism for manual and motorised operation. [v] Cable cover standard for interlocking. [vi] Cable bushing interface C (400 bolted) , 630 A, at site replaceable type [vii] Aux switch for VCB connected position 2NO + 2NC. [viii] Aux switch for disconnected position 2NO + 2NC [ix] Capacitive voltage indication fixed type VPIS 6-12 KV [x] Cable support bars, standard for one way unit. [xi] Aux switch for earth switch position 2NO + 2NC [xii] 3 Nos. metering CTs of Burden 2.5VA, ratio 100-50/1A, Class of Accuracy 0.5 for MFM in each VCB Module. (for incoming VCBs only) and 1 No digital trivector meter for each incoming VCBs only.

[b] BUS PT metering module - Air insulated metering module 12 KV 630 amps with the following :- [i] 3 Nos 12 KV single phase epoxy cast resin voltage transformer ratio - 12/rt3/110V/rt3, 50 VA burden and accuracy class 0.5. [ii] Battery and charger of 24 V DC for all module motorized operation. [iii] Indicator lamps for R Y B phase indication. Make of RMU: As specified in Appx 'B' Note - RMU shall be installed on a suitable PCC 1:2:4 type B-1 (20mm graded stone aggregate) foundation as per manufacturers instructions and unit rate quoted shall be deemed to include the cost of the same. 230V single phase electric supply shall be available at site within a radius of 100 Meter. Required cable/MCB etc of suitable size for connection shall be arranged by the contrator at his own cost.

S & F gang operated air break switches complete with drop out fuse unit assembly , triple pole, manually operated, mounted on insulators and steel frame,vertical isolation 12 insulators type with operating mechanism worked from ground level for rating 200 Amps, 11000 volts complete with and including GI operating pipe of heavy duty grade of suitable length and bore of pipe complete all as specified and directed.

M & L for cross arms,supports, clamps etc fabricated from structural steel section including nuts, bolts , washers, welding, bending ( cold or hot ) drilling holes for bolts bent to any shape or size as indicated or directed inclusive of one primer coat of red oxide zinc chromate one under coat and one finishing coat of aluminium paint complete all as specified and directed.

S & F jumpers in red/yellow/blue colour for HT lines/connections made from aluminium conductor single core PVC insulated cable of suitable size complete including winding wires, aluminium tapes etc complete all as specified and directed.

S & F steel tubular swaged poles complete with mild steel base plate, closed at top as specified, type 410 SP-55 (11 metre long) including painting with two coats of black bitumonous paint externally up to the planted depth and internally through out and remaining external portion with two coats of aluminium paint , over a coat of red oxide primer complete all as specified. Note: Excavation & earthwork, foundation concrete will be meaured & paid for separately under respective item(s).

M&L for Earthing complete with galvanised steel earth plate electrode 60cm x 60cm x 6 mm thick burried directly in ground ( earth pit not less than 2.25 Mtr deep below ground level ) with top edge of the plate not less than 1.5 Mtr below normal ground level, connected to galvanised earth lead strip 32 x 6mm by means of bolts, nuts, check nuts and washers of GI or steel all as shown in electrical plate No. 3 of SSR Part-I 2009 connected to earthing test point panel all as specified or indicated and testing on completion as directed by the Engineer-in-Charge including necessary excavation & earth work in any type of soil, funnel, PCC chamber (1 : 3 : 6) type C1, CI pit cover and frame , charcol, salt including earth lead protected by 40 mm dia medium grade GI pipe and 20mm dia medium grade GI Pipe for watering complete. Note :- Earth lead strip 32 x 6 mm and GI 40 mm dia protection pipe upto 7.5 mtr length shall be deemed to include in the quoted unit rate.

Supply, install, testing and commissioning of 11 KV 630 Amps 21 KA for 3 sec SF6 insulated, one side extensible outdoor duty 3 way Ring main unit completely motorized as well as manually operated in combination of 2 Nos VCB as Incomer and 1 Nos VCB as outgoing alongwith bus PT metering module, consisting of copper busbar in SF6 insulated 304 (Non-Ferrite Non-Magnetic Grade) stainless steel enclosure of thickness 2.5 mm with manometer fixed, with series trip, self-powered microprocessor based numerical over current relay (IDMTL + Inst.) with Modbus protocol compliant RS485 port for overload/earth fault/Transformer protection & short circuit protection in each VCB feeder. The breaker shall have mechanical ON /OFF indicator with hand trip device and spring charging, spring release coil, auxiliary switch of 2 NO +2NC. The HV switchgear and control gear should be confirming to IEC-62271-100, IEC-62271-200-2003 & IEC-60694-1996. The RMU should be internal arc tested for 21 KA for 1 second with IAC-AFL classification for gas tank and gas to be released from the rear top or rear bottom from operator. The complete RMU along cable chamber to put to an outdoor enclosure to have ingress protection of minimum IP54. Each feeder should have voltage presence indicator. RMU Should have 01 No manometer for each tank and the followings:-

[a] For each VCB - Vacuum circuit breaker module with vacuum circuit breaker 12 KV 630 amps, three position isolator/earthing switch, bus bars, interlocking, earth bar and stored spring energy mechanism with and including the followings:- [i] 1 no. micro processor based self powered numerical relay with over Current/ earth fault & short circuit protection with each VCB feeder. Make of relay - As specified in Appx 'B' [ii] 3 Nos. Protection ring core CTs of Burden 2.5VA, ratio 100-50/1A, Class of Accuracy class 5P10 of IS 2705-part III 1992 for O/C and E/F protection for each VCB. [iii] Right angle boots for all the feeder Modules [iv] Mechanism for manual and motorized operation. [v] Cable cover standard for interlocking. [vi] Cable bushing interface C (400 bolted) 630A, at site replaceable type [vii] Aux switch for VCB connected position 2NO + 2NC. [viii] Aux switch for disconnected position 2NO + 2NC [ix] Capacitive voltage indication fixed type VPIS 6-12 KV [x] Cable support bars, standard for one way unit. [xi] Aux switch for earth switch position 2NO + 2NC [xii] 3 Nos. metering CTs of Burden 2.5VA, ratio 100-50/1A, Class of Accuracy 0.5 for MFM in each VCB Module. (for incoming VCBs only) and 01 No digital trivector meter for each incoming VCB only.

[b] BUS PT metering module - Air insulated metering module 12 KV 630 amps with the following :- [i] 3 Nos 12 KV single phase epoxy cast resin voltage transformer ratio - 12/rt3/110V/rt3, 50 VA burden and accuracy class 0.5. [ii] Battery and charger of 24 V DC for all module motorized operation. [iii] Indicator lamps for R Y B phase indication. Make of RMU: As specified in Appx 'B'. Note - RMU shall be installed on a suitable PCC 1:2:4 type B-1 (20mm graded stone aggregate) foundation as per manufacturers Instructios and unit rate quoted shall be deemed to include the cost of the same, 230V single phase electric supply shall be available at site within a radius of 100m. Required cable/MCB etc of suitable size for connectionshall be arranged by the contrator at his own cost.

M & L PCC 1:4:8 type D-2 using 40 mm graded crushed stone aggregate as in pole foundations etc complete all as specified and directed.

M & L PCC 1:3:6 type C-2 using 40 mm graded crushed stone aggregate in foundation filling & mass concrete for poles/struts etc including provision of necessary form work complete all as specified.

M & L PCC 1:2:4 type B-1 using 20 mm graded crushed stone aggregate in pole / strut coping including provision of necessary form work complete all as specified.

M & L anti climbing devices, spikes type fabricated out of M.S. bars (round,square and flat) including nuts,bolts,Washers and clamps in two halves made to shape to suit the cross section of the pole complete all as specified and directed.

M & L for cable route indicator disc type 150 mm dia, 8 mm thick, embossed with letter 'MES HT CABLE" welded or bolted to 35x35x5 mm thick MS angle iron 600 mm long, duly painted with anti corrosive brown color paint, grouted into PCC 1:2:4 type B-1 foundation block of size 300 x 300 x 300 mm with and incl necessary earth work for grouting complete all as specified and directed.

S & F HT heat shrinkable type outdoor end termination cable jointing kit with jointing material and accessories suitable for 11000 volt (Earthed) grade XLPE cable of size 240 Sqmm, 3 core complete all as specified and directed.

S & F HT heat shrinkable type outdoor end termination cable jointing kit with jointing material and accessories suitable for 11000 volt (Earthed) grade XLPE cable of size 185 Sqmm, 3 core complete all as specified and directed.

S & F HT heat shrinkable type indoor end termination cable jointing kit with jointing material and accessories suitable for 11000 volt (Earthed) grade XLPE cable of size 240 Sqmm, 3 core complete all as specified and directed.

S & F HT heat shrinkable type indoor end termination cable jointing kit with jointing material and accessories suitable for 11000 volt (Earthed) grade XLPE cable of size 185 Sqmm, 3 core complete all as specified and directed.

S & F HT heat shrinkable type indoor end termination cable jointing kit with jointing material and accessories suitable for 11000 volt (Earthed) grade XLPE cable of size 95 Sqmm, 3 core complete all as specified and directed.

S & F gang operated air break switches,( GO & DO assembly) triple pole, manually operated, mounted on insulators and steel frame,vertical isolation 12 insulators type with operating mechanism worked from ground level for rating 400 Amps, 11000 volts complete with GI operating pipe of heavy duty grade of suitable length and bore of pipe complete all as specified and directed.

M & L for boring/drilling hole under and across the road surface/hard standing etc at a depth as directed for passing of 100/80mmdia GI Pipe using a suitable drilling machine and other T&P without damaging the road/hard surface complete all as specifed and directed.

S & F HT heat shrinkable type outdoor end termination cable jointing kit with jointing material and accessories suitable for 11000 volt (Earthed) grade XLPE cable of size 95 Sqmm, 3 core complete all as specified and directed.

Supply and laying well burnt bricks, sub class 'B' bricks laid breath wise along length of cable in trenches for cable protection laid for UG cable protection complete all as specified and directed.

Supply and laying 50 mm outer dia, double walled, corrugated HDPE duct pipe conforming to IS- 14930 Pt-II with antirodent and non flame propogating properties of approved colour complete with fittings for cable protection complete all as specified and as directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 185 sq mm 3½ core complete all as specified and directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 25 sq mm 4 core complete all as specified and directed.

Suppy, installing, connecting, commissioning and testing of energy effficient transformer (level 3 of IS 1180) 5 star rating , of capacity 160 KVA outdoor type, step down 11/0.433 KV, core type oil immersed, copper wound, natural oil cooled with external cooling tubes/radiators, having 3 phase 50 Hz AC supply, DYn-11 design, off load tap changer on HT side to vary secondary voltage ±7.5% in steps of 2.5% as per IS 1180 (Pt-I to III) with all standerd accessories including HT and LT bushing, cable termination box on LT side, including first filling of new transformer oil (of di-electric strength not less than 50 KV) upto required level in conservator tank complete all as specified and as directed by Engr-in-Charge with and including the following :- (a) One No 100 mm dia, dial type thermometer with resetting device vapour pressure type having range 0 to 120 degree centigrade. (b) Rating plate and terminal marking plate. (c) Two earthing terminals for body earthing and one additional for neutral brought out on a bushing. (d) Oil level gauge with max & min level marking. (e) Oil filter valve. (f) Oil drain valve. (g) Lifting hooks. (h) Oil conservator with filling hole and cap. (j) Air relief valve plug and explosion vent with diaphragam. (k) Four solid cast steel detachable rollers. (l) Earth bushing for neutral outside the LT cable box for providing independent earthing for neutral. (m) Clear view type silica gel breather with first fill of fresh bluish color silica gel. Note :- (i) The transformer should be 5 Star rating and energy conservation (Energy conservation Binary Corps) for which necessasry test certificate to be produced by contractor from manufacturer of the transformer. (ii) Pre despatch inspection of transformer shall be carried out by rep of Accepting Officer at manufacturer premises with overall cost qouted by the contractor. Nothing extra shall be payable on this account. (iii) After installation of the transformer the same be tested and commissioned by SEI and the equipment/instruments required for testing shall be arranged by contractor. cost of the same shall also be deemed to be included in the items rates quoted by the contractor.

M & L for lighting arrester expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp suitable for 11000 volts complete all as specified and directed.

Supply, installation, testing and commissioning of out door type LT feeder pillar/ distribution boards thermoplastic polycarbonate IP 65 in accodance with EN 60 529, dust proof, rust proof, water proof & weather proof, metering panel shock proof, rust proof, corrosion free, acid & chemical resistant, fire retardant & self extinguishing, UV resistant, Silica and halogen free Recyclable material, glow wire tested at 9600 C in accordance with IEC 60 695-2-11. Type tested as per IEC 60 439-1. Total insulated with system. The manufacture of board/panel shall submit a copy of CPRI test report of degree of ingress protection IP 65 in accordance with IEC 60529. The gasket material shall be Polyurethane ; while the gasket shall be internally embedded. The manufacture of board/ panel shall submit a copy of type test report of a board made out of polycarbonate thermoplastic panel in accordance with IEC60439-1. The report shall mention the following tests performed and passed out satisfactory:- (a) Degree of protection. (b) Temperature rise. (c) Dielectric Properties. (d) Short circuit withstand current. (e) Effectiveness of protective circuits. (f) Clearance & creepage distance. (g) Mechanical operation. Polycarbonate enclosure shall be fire retardant & self extinguishing in accordance with IEC 60 695-2-11, DIN VDE 0304 part 3,UL subject 94 for Flammability V-2. It shall be tested at Glow wire test for 960 deg. Cent. The impact strength of polycarbonate enclosures/ boards i.e. the degree of protection against mechanical load shall be in accordance with EN 50298-98 for IK 08.

The lid closing and opening shall be done by quick fastering spring mechanism latches. Suitable accessories for armoured cable shall be supplied with the panel. These accessories shall not be fitted with screws, so that there is no loss of IP, but should be auto fit including 04 Nos legs of not less than 50 cm long each below the base of panel made of angle iron 50 x 50 x 6 mm for grouting purpose in PCC 1 :2:4 type B1 [ using 20 mm graded stone aggregate for foundation). The board manufacturer shall submit the copy of type test reports for polycarbonate thermoplastic board only. Each board shall have individual routine test report of the manufacture & the panel board will have the following accessories. (a) 4 Nos heat shrink insulated bus bar of 1.5 times of incoming MCCB including all connection with aluminum strip. (b) Incoming:- MCCB four pole, 415 Volts, 50 HZ, 250 Amps microprocessor based with LIG&LSIG protection and fault indication breaking capacity 36 KA with Ics = 100% Icu -01 Nos (c) Outgoing :- MCCB four pole 415 Volts ,50 HZ, 100 Amps microprocessor based withLIG&LSIG protection and fault indication breaking capacity 36 KA with Ics = 100% Icu - 03 Nos (d) Phase indicator lamp complete with copper control wiring and suiable size of CT complete -01 (Set of three) (e) Digital type multi meter LCD display complete for Volt meter and ammeter of size 96 x 96 mm complete all as specified and directed. Note :-All the switchgear used in the panel will be of same make.

Supply, installation testing and commissioning of out door type LT feeder piller box CPRI approved openable from front & rear double door type,dust and vermin proof, fabricated out of 3.15 mm CRCA sheet of size 0.75 x 0.50 x 0.50 duly painted with two coats of synthetic enamel paint over a coat of red oxide primer and MS channel frame of ISMC 75 at base of panel only and 04 Nos legs of not less than 50 cm long each below the base of panel made of angle iron 50 x 50 x 6mm for grouting purpose and grouted in PCC 1:2:4 type B1( using 20 mm graded stone aggregate) alongwith incoming MCCB four pole, 415 volts, 25 KA, 50 Hz, 250 amps - 01 Nos including 4 Nos heat shrink insulated aluminum bus bar of 1.5 times rating of incoming MCCB complete all as specified and directed by Engr-in- charge.

SAGGI ELECTRIC COMPANY

M/S BALWINDER SINGH