UPKEEP OF HT/LT OVERHEAD LINE, HT/LT FEEDER AT NOFRA VARUNAPURI AND UWR UNDER GE(NW) VASCO

Material and labour for disc type insulator, single disc assembly, heavy polymeric insulator to suit 11 KV HT working pressure of size 145 mm height, 255 mm dia, including one galvanized mild steel spindle, two galvanized iron washer and one GI nut complete including dismantling existing old insulator from position all as specified and as directed.

Material and labour for pin type heavy polymer insulator to suitable 11 KV HT of working pressure of size 150 mm height, 150 mm dia, including one galvanized mild steel spindle, two galvanized iron washer and one GI nut complete including dismantling existing old insulator from position all as specified and as directed.

Material and labour for Post type heavy polymer insulator suitable for 11 KV HT working pressure including dismantling existing old insulator from position, all as specified and as directed.

Replacement of ACSR type jumpers(appx 1.5 RM in length) of suitable dia including aluminium lugs of suitable size for HT structures and yards including PVC insulation pep and cleaning of carbon deposited on joints, applying jelly to each dismantling old jumpers complete all as directed.

Dismantling/Taking down 11 KV HT drop out fuse assembly with DO Fuse unit and Triple pole Air break switch mechanism complete all as directed.

Material and labour for HT Drop out fuse assembly of 11 KV current Rating of 200 Amps with 2 post type heavy polymer insulator per phase, double stack channel type including steel base mounting frame, MS Nuts and bolts complete all as specified and directed.

Material and labour for outdoor type Gang operated Air break switch triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level with GI pipe medium grade, for current rating up to 200 Amps suitable for vertical mounting fixed type complete with 09 Nos HT insulators suitable for HT 11 KV complete all as specified and directed.

All as per Item No.7 above but for current rating up to 400 Amps complete all as specified and directed.

Material and labour for Lighting Arrestor (LA) Zinc oxide type complete with all fittings transmission class, discharge capacity 10 KA, suitable for 12 KV complete all as specified and directed.

Repairing/Servicing the Air break isolating switch 11 KV 200 Amps by replacing the defective major spares including provn of worn out bolts nuts etc, applying petroleum jelly on moving/fixed contacts all as specified Note :- Major spare will be measured & priced separately under relevant item of Sch item No. 11

(a) Male contact/moving contact blade

(b) Female contact/Fix contact Jaw

(c) Tinned copper Flexible jumper 200A/400A

(d) Ms jumper carrier

(e) Back connector plate

(f) Petroleum Jelly

(a) HT 11 KV, 10 Amp to 25 Amp rating

(b) HT 11KV, 30 Amp rating

(c) HT 11 KV, 40 Amp to 50 Amp rating

(d) HT 11 KV, 60 Amp rating

(e) HT 33 KV, 10 Amp to 25 Amp rating

(f) HT 33 KV, 30 Amp rating

(g) HT 33 KV, 40 Amp to 50 Amp rating

(h) HT 33 KV, 60 Amp rating

Supply and fix cable jointing kit for 11 KV grade cable for Outdoor end termination heat shrinkable 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 grade cable for Indoor end termination heat shrinkable 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 11KV grade cable for Straight through joint heat shrinkable type 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.

Material and labour for coarse aggregate taking out old coarse aggregate(broken stone or boulders) of any size and Material and labour for graded coarse aggregate of size 40 mm for spreading and leveling at substation yard all as directed and specified

Surface dressing for removing of creepers on stay wires/poles not exc 15 cm deep of soft and loose soil complete all as specified and directed.

Material and labour for preparation of old cement coated surface, cleaning the surface of the RCC HT/LT pole above the ground level including coping area with 2 coats of ACC exterior Emulsion paint over a coat of cement primer after preparation of surface including 12 cm black paint around the pole and pole number in red when paint all as directed.

Excavation in trenches n.exc 1.5M wide & n.exc 1.5m in depth for laying & removing of cable any sizes and getting out in hard/dense soil all as specified.

All as per Item No. 19 above but in soft disintegrated rock/laterite rock complete all as specified and directed.

Returning filling in excavated earth work including spreading, leveling, watering and well ramming in layers n.exc 25cm thick in any strata complete all as specified and directed.

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

Supply Lay dry river sand in trenches for cable protection All as SSR Part I complete all as specified and directed. NOTE : Punned thickness only will be measured & Paid separately

Supply and lay precast concrete cable covers, class HV, type-I flat size 300 x 180 x 40 mm, all as specified and directed.

Supply & Lay, testing and commissioning HT 11KV XLPE cable, PVC insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11000 Volts grade (earthed), 3 core 95 sqmm laid in trenches/floor/duct/fixed on poles/through GI tubing including brass cable glands complete

Material and labour preparation of old painted external surfaces of HT 2 pole structures consisting of cross arms, GOD assy with pipe, DO fuse assy, clamps etc., of any description and applying one coat of Aluminium paint by manually (Except PCC/RCC Pole) all as directed.

Note for Item No 25 to 26 :- This rate inclusive of painting all minor items such as clamps, brackets, nuts, bolts and washers which is not particularly mentioned in the structures & Each job will be measured and paid.

Ditto all as per item No 26 here in before but for 4 pole structure all as directed.

Material and labour for the dismantling of HT 11 KV structure of substation at Varunapuri consisting of RCC poles / ISMBs, cross arms, GOD pipe, clamps etc., The approx particulars are as under :- (a) Angle Iron cross support 75 x 75 x 6mm - 80 RM (b) MS Flat 50 x 4 mm - 24 Mr. (c) Channels of size 100 x 50 x 6 mm - 110 RM (d) Channels of size 75 x 75 x 6mm - 220 RM Note :- All dismantled items shall be shifted to the AGE E/M-II yard and stack well.

Material and labour preparation of old painted surfaces of HT 33 including ring main/11 KV Feeder MRS at NOFRA consisting of steel poles / ISMBs, cross arms, GOD pipe, clamps etc., having of any description and applying one coat of Aluminium paint by manually (including structure) all as directed.

The approx particulars are as under :- (a) ISMB 200 X 100 x 6 mm 12 mtr height as pole - 12 Nos (b) ISMB 200 X 100 x 6mm 5 mtr height as pole - 12 Nos (c) ISMB 200 X 100 x 6mm 2.5 to 3.5 mtr height as pole - 15 Nos (d) Angle Iron cross support 75 x 75 x 6 mm - 380 RM (e) MS Flat 50 x 4 mm -24 Mr. (f) Channels of size 75 x 75 x 6 mm - 170 RM (g) Channels of size 100 x 50 x 6 mm - 330 RM (h) Channels of Size 150 x 50 x 6 mm - 400 RM Note :- (a) This rate inclusive of painting all minor items such as clamps, brackets, nuts, bolts and washers which is not particularly mentioned in this item. (b) This painting work will be carried out during Holidays only to avoid elect shut down.

Material and labour for Lighting Arrestor (LA) Zinc oxide type complete with all fittings Station class, discharge capacity 10 KA, suitable for nominal system voltage 33 KV and rating 30 KV RMS complete all as specified and directed.

Supply and fix Drop out (DO) fuse unit Polymer insulator assembly expulsion type outdoor single pole 400 Amp suitable for HT 33 KV, comprising of insulators, steel base mounting frame, GI nut bolts etc with 30 A, HT barrel type fuse complete.

Material and labour for single post insulator Polymer type, 33 KV with mounting spindle etc. complete all as specified and directed.

Material and labour for Pin insulator Polymer type, 33 KV with mounting spindle etc. complete all as specified and directed.

Material and labour for disc insulator Polymer type, 33 KV with hardware fittings etc. complete all as specified and directed.

Supply and fix Cable end termination kit Heat shrinkable type outdoor type, suitable for XLPE cable 3 core, 150 sqmm, 33 KV HT supply, complete all as specified and directed.

All as per Serial No. 35 above, but indoor type, suitable for XLPE cable, 3 core, 150 sqmm, 33 KV HT supply complete all as specified.

Material and labour for straight through joint cold shrinkable type suitable for XLPE cable, 3 core, 150 sqmm, 33 KV HT supply complete all as specified.

Supply only HT type Insulating Tape non heat shrinkable type of 38 mm width and 10 Mtr length complete all as specified and directed.

Carryout Material/machineries & labour for fault finding of 33 KV or 11 KV HT Under ground cable of length up to 1.5 KM in case of cable fault such as short circuit / burn out of earth fault etc including carryout necessary hypot test by injecting high voltage up to 50 KV, complete all as specified and directed. Note :- The contractor shall excavate the fault location and shall confirm the cable fault all as directed.

S&F in repair strip type space heater 110 V, 40/60 watt approx 4"/6" in length complete all as specified and directed.

Material and labour for Painting on surfaces of outdoor HT feeder pillar box by scrapping or with wire brush after preparing the surfaces by removing dust etc applying two coats of synthetic enamel paint over a coat of red oxide on the external surfaces of HT Feeder pillar box including writing " DANGER, HT 33 KV SUPPLY" all as directed.

Removing grass and bushes including its roots growing at substation yard and keep the sub station yard neat and clean complete all as specified and as directed. Note :- one length measured in six months.

Supply and fix in repair for mounting indoor type epoxy insulator with nut bolts suitable for 11 KV HT Supply complete all as specified and directed by Engr-in-charge.

All as per SI No.43 above but suitable for 33 Kv HT supply

Taking down old unserviceable/burnt & supply, fix, testing, and commissioning of gang operated rotating type with Earth Switch Polymer insulator air break switch horizontal type mounting complete, double break and operation rod of suitable length 400 A capacity and suitable for 33 KV HT supply, complete all as specified and directed.

Taking down old unserviceable/burnt & supply, Fixing and testing of metering & protection type current Transformer (CT) resin cast dry type/oil filled type 33 KV outdoor type, oil cooled , wound primary current ration 400-200/5-5A, Accuracy class 0.5 s-5P 10, HSV 36 KV, IL:36/70/170 KVp, STc 25 KA for 1 sec, duly tested, sealed & certified by MRT, Electricity Department, Govt. of Goa together with bimetallic terminal connected for protection including dismantling old existing CT of make :Goa Electric Company complete all as specified and directed.

Taking down old unserviceable/burnt & supply, Fixing and testing of metering & protection type current Transformer (CT) resin cast dry type/oil filled type 33 KV outdoor type, oil cooled , wound primary current transformers(CT) conforming to IS:16227/2016 (Part 1&2) of ratio 200-100/5A, Burden 15-15VA, Accuracy class 0.5s-5P 10, HSV 36 KV, IL:36/70/170 kVp.STC 25 KA for 1 sec., duly tested, sealed & certified by MRT, Electricity Department, Govt. of Goa together with bimetallic terminal connectors for protection including dismantling old existing CT of make :Goa Electric Company complete all as specified and directed.

Taking down old unserviceable/burnt & supply, fixing and testing of metering & 33 KV protection type Potential Transformer (PT), Outdoor Oil Cooled Type, Single Phase, Single Pole, Earth Type, Conforming to IS 16227 : Part 1 (2016) & part 3 (2015), ratio 33 KV/110 V, HSV: 36 KV IL:36/70/170KVP, burden:200VA,accuracy class:0.5, VF :1.2 cont. & 1.5 for 30 Seconds, freq:50HZ insulation class : A as per approved design by GSEB duly tested. sealed & certified by MRT, Electricity Department, Government of Goa. including dismantling old existing PT of make :Goa Electric Company complete all as specified and directed.

Taking down old unserviceable/burnt & supply, fixing and testing of metering & protection Current Transformer (CT) resin cast dry type indoor type of 11 KV capacity dual ratio 100-50/5 Amps, 15 VA burden class I accuracy for metering and 15 VA/5P-10 for protection including dismantling old existing CT.

Taking down old unserviceable/burnt & supply, fixing and testing of metering & protection Potential Transformer (PT) resin cast dry type indoor type of 11 KV capacity ratio 11 KV/110 V, 200 VA burden including dismantling old existing PT

Material and labour for overhauling, servicing and preventive maintenance of 33 KV VCB 7 Nos at Nofra substation, 400/630 Amp outdoor type and controlling panel and indoor and including remote and manual operating panels after disconnecting the 33 KV including earthlings the entire system properly and cleaning the isolating contacts, removing dust particle from bus bar chamber spout gear mechanism including greasing of the moving parts, cleaning of the moving/stationary contact with CTC. Removing of moisture by means of hot air blower, renewal of gaskets, nut/bolts etc entire trolley components and replacement of all unserviceable spares, providing the necessary packing material at incoming and outgoing cable entry, inserting in trolley, testing commissioning and putting on the supply on load complete all as required at site and as directed. Scope of works consist of following, the spares required shall be measured follows on items no 53. Note : Unit rate including two preventive maintenance (interval of three months) during the contact period of contract and replacement of Hark fuse, AC and DC MCB of SP/DP at control circuit in each VCB as required at site to make system functional.

(a) Closing coil 30V DC

(b) Tripping coil 30V DC

(c) Spring Charging motor 30V DC

(d) 33KV porcelain bushing for VCB Top

(e) 33KV porcelain bushing for VCB bottom

(f) LED type indicator lamp assembly

Material and labour for servicing of 11 KV VCB at Nofra & Varunapuri substation, Map Phase 1, Kirti Enclave and P 404 dismantling cleaning greasing the complete VCB with attached numerical relays, bus bar etc insulation testing setting the contact gap by measuring as required reassembling the VCB and reinstalling back to its original position checking repairing the current circuit panel wiring, relay testing and commissioning and provision of minor spares as required complete including operational testing and commissioning all as specified and directed.

(a) Closing coil 30V DC

(b) Tripping coil 30V DC

(C) Control Relay 30V DC

(d) LED type indicator lamp assembly

(e) Vacuum Interrupter for indoor VCB

(f) Spout incoming side

(g) Spout outgoing side

Material and labour for primary injection test of 33 KV current transformer and checking the electrical circuits for fault condition and proper functioning and also submitting the test report all as directed by Engr in charge.

Material and labour for primary injection test of 11 KV current transformer and checking the electrical circuits for fault condition and proper functioning and also submitting the test report all as directed by Engr in charge.

Material and labour for primary injection test of 11 KV or 33 KV Potential transformer by applying low voltage on HV Side including testing of secondary wiring for its healthiness. Note :- For item SI No.46 to 57, Testing and calibration of Relays, CTs, PTs etc shall be carried through OEM approved agencies and original test results shall be submitted in triplicate.

Material and labour for steel cross arms, angles, bracing supports, clamps and back plates fabricated from structural steel sections including nut bolts washers wielding bending cold or hot drilling hole for bolts in any shapes or size as indicated or directed and inclusive of one primer coat and one finishing coat of silver paint.

Material and labour for ACSR Conductor as per required of site for LT/HT connection all as specified and directed.

Material and labour for earthing complete with galvanised steel earth plate electrode of size 60 cm x 60 cmx 6 mm thick buried directly in ground earth pit n. Less than 3 mtr deep below the ground level with top edge of the plate n. Less than 1.5m below ground level and filing with cotton soil of volume 0.5 CUM brought from outside and Magnesium sulphate of 100 kg, salt of 100 kg and charcoal of 100 kg and connected to GI Strip 32 x 6 mm by means of bolts, nuts, checks nuts and washers of galvanised steel including necessary earth work and excavation in any strata and PCC 1:3:6 type C2 chamber and chamber RCC cover and light grade GI pipe 50 mm dia of required length for protection of GI strip and water funnel and wire mesh with GI pipe medium grade 20 mm dia etc complete all as per electrical plate No.3 of SSR Part -I and as directed including connections and testing on completion.

Supply, Fixing and testing of Aluminium Tube 1 Inch 3.6M length including dismantling old existing Aluminium Tube

Supply, Fixing and testing of Tee clamp for Aluminium Tube 1 Inch including dismantling old existing Aluminium Tee clamp

Supply, Fixing and testing of Isolator clamp for Aluminium Tube 1 Inch including dismantling old existing Aluminium Isolator clamp

Supply, Fixing and testing of DO clamp for Aluminium Tube 1 Inch including dismantling old existing Aluminium DO clamp

Supply, Fixing and testing of L clamp for Aluminium Tube 1 Inch including dismantling old existing Aluminium L clamp

Supply, Fixing and testing of straight clamp for Aluminium Tube 1 Inch Tube to Tube including dismantling old existing Aluminium straight clamp

Supply, Fixing and testing of Post clamp for Aluminium Tube 1 Inch Tube to Tube including dismantling old existing Aluminium Post clamp

Supply only Lugs of 25 sqmm to 75 sqmm

Supply only Lugs of 95 sqmm to 150 sqmm made up of GI

Supply only WD-40 spray of 420 ml for cleaning.

Supply only CRC spray of 500 ml for penetrates, lubricates and prevents corrosion from the metal.

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