Repair Maintenance of Lightning protection system and earthing at NOFRA NAD MO Goa and Repair Maintenance of LT UG cable GOD Insulators LT panel APFC Panel etc and preventive maint to external services at NOFRA area under GE Gomantak Vasco

Amount

M&L for provn of chemical earthing, electrode made of copper molecular bonded steel rod 17.2 x 3000 mm, minimum 254 micron coating, 3 mtr long with connecting strip head with SS fastener, inspection joint box and also connect copper strip with electrode rod and inspection joint box with nut, bolts and GI washers etc. The electrodes will be filled with highly conductive non-corrosive crystalline conductive mixture with connective arrangement for connection of strip/cable etc. The electrode will be installed along with conductive and low resistance powder tested to the resistivity of 0.2 ohms as per IEC 62561-7 read with ASTM G57-06, CI 3.4 connected to copper strip by means of nut, bolts, check nuts and washer of GI or steel including necessary drilling in earth upto 3 mtr in any type of soil for inserting electrode in any type of strata, Heavy duty poly plastic chamber with cover complete all as specified and directed.

S&F 32 x 6 mm copper strip earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required complete all as specified and directed.

M&L for test point terminal block made of gun metal or phosphorus bronze size 75 x 75 x 25 mm drilled and screwed including 3 nos. 8 mm dia 25 mm long hexagonal head screw and including provision of suitable MS box made out of 3 mm thick MS sheet to accommodate the terminal block complete all as specified and directed.

M&L for GI tubing light grade 40 mm bore for passing copper strip laid under the floor, along the wall or along the pole complete all as specified and directed .

M&L for PCC 1:3:6 type C-1(using 20 mm graded stone aggregate) as in repair of exisitng plinth protection including necessary formwork complete all as specified and directed.

S&F in replacement aluminium strip 25 x 3 mm fix on porcelain insulator for roof conductors and down conductors above ground level as lighting conductor (including insulater)complete all as required at site and as directed.

S&F Air termination, single pointed Copper Rod 12mm dia and 300 mm long complete all as specified and directed.

Supply and filling of chemical earthing compound for enhancement of grouding in existing earthpit complete all as specified and directed.

M&L for earthing complete with copper plate electrode 600mm x 600mm x 3.15 mm thick buried directly in ground (earth pit not less than 2.25 Mts deep below ground level with top edge of the plate not less than 1.50 Mtrs below ground level connected to copper earth strip 25 x 3 mm by means of bolts, nuts check nuts and washers of brass connected to earthing test point all as specified incl laying of charcoal dust and common salt in alternate layer, PCC Pit (1:3:6) type C-1 using 20 mm graded stone aggregate, RCC cover 40mm thick (1:2:4) type B-0 using 12.5 mm graded stone aggregate reinforced with 6 mm dia round bar @ 75 mm C/C both ways with MS handle 8 mm dia, plastering 15 mm thick CM (1:6) externally upto 150mm below ground level, GI funnel with 20mm dia medium grade GI pipe for watering and wire mesh incl. excavation and earth work and disposal of surplus soil complete all as specified and shown on electrical plate No 5 of SSR Part (2009) and connected to earth test point incl testing complete all as specified an directed.

S&F in replacement HDPE earth pit cover of 12 inch dia conical shape including removal of old one and fixing the new one with PCC complete all as specified and directed.

Excavation in trenches in hard/dense soil, n exc 1.5 m wide and n exc 1.5m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, laying of pipe line/ cable etc. n exc 10 sqm on plan and getting out complete all as specified and as directed.

Excavation in trenches in soft/disintegrated rocks, n exc 1.5 m wide and n exc 1.5m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, laying of pipe line/ cable etc. n exc 10 sqm on plan and getting out complete all as specified and as directed.

M&L for local fine sand cushioning with dry and clean over and under the cable for protection of cable, 80 mm sand laid before laying the cable 150 mm sand after laying the cable and punned down complete all as directed

Supply and laying un-reinforced precast concrete cable cover factory made as per IS 5820-1970, class HV type-1 of size 300 mm x 180 mm x 40 mm as in cable protection complete all as specified and directed.

Returning filling in including spreading watering and well raming in layer excedding 25 cm each in any type of soil/rock complete all as specified and directed.

Removing excavated soil/rock of any type to a distance not exceeding 50 m and deposited where directed at a level not exceeding 1.5m above the starting point complete all as directed.

S&L in replacement XLPE HT UG cable PVC insulated, screened, bedded, galvanised steel strip armoured heavy duty electric cable 11 KV grade with aluminum conductor cross sectional area 95 Sq mm 3 core laid in trenches or fixed on wall/floor/poles complete all as specified and directed.

S&L in replacement XLPE LT UG cable PVC insulated, bedded armoured heavy duty electric cable 1100 volts grade with aluminum conductor of 25 Sq mm 3.5 core laid in trenches or fixed on wall/floor/poles complete all as specified and directed.

All as per item No. 18 above but 35 Sqmm 3.5 core cable

All as per item No. 18 above but 50 Sq mm 3.5 core cable

All as per item No. 18 above but 70 Sq mm 3.5 core cable

All as per item No. 18 above but 95 Sq mm 3.5 core cable

All as per item No. 18 above but 120 Sq mm 3.5 core cable

All as per item No. 18 above but 185 Sq mm 3.5 core cable

All as per item No. 18 above but 240 Sq mm 3.5 core cable

Material and labour for replacement of GI tubing light grade 40 mm bore for passing through cables laid under the floor, along the wall or along the pole complete all as specified and directed .

Material and labour for replacement of GI tubing light grade 50 mm bore for passing through cables laid under the floor, along the wall or along the pole complete all as specified and directed .

Material and labour for replacement of GI tubing light grade 80 mm bore for passing through cables laid under the floor, along the wall or along the pole complete all as specified and directed .

Supply & laying in repair double walled corrugated (DWC) HDPE full rounded pipe conforming to IS 16205 Pt-24 of approved colour complete with fittings for cable protection of size 38 mm inner dia and 50 mm outer dia complete all as directed.

Supply & laying in repair double walled corrugated (DWC) HDPE full rounded pipe conforming to IS 16205 Pt-24 of approved colour complete with fittings for cable protection of size 50 mm inner dia and 63 mm outer dia complete all as directed.

Supply & laying in repair double walled corrugated (DWC) HDPE full rounded pipe conforming to IS 16205 Pt-24 of approved colour complete with fittings for cable protection of size 94 mm inner dia and 110 mm outer dia complete all as directed.

Supply & laying in repair double walled corrugated (DWC) HDPE full rounded pipe conforming to IS 16205 Pt-24 of approved colour complete with fittings for cable protection of size 120 mm inner dia and 160 mm outer dia complete all as directed.

S&F in repair sheet moulding compound junction box (SMC) suitable for terminating 2 Nos 4 x 6/ 10/ 16 Sqmm UG cable including one in Nos MCB SP 0.5 Amps including cable glandes 2 Nos and two way connector 1 No complete all as specified and directed. Note : MS Clamp, nut, bolt and washer measured and paid seperately. Make : Sintex/ Hensel/National

S&F in replacement of existing unsv cable joints with Cable jointing kit for HT cable, 11 KV (Earthed) grade cable for indoor termination complete with jointing material and accessories suitable for 95 Sqmm 3 core XLPE armoured aluminium conductor cable of size complete all as directed. Note:- Rate quoted including necessary excavation, returning filling, removal etc for taking out loop/ cutting of burnt cable for required length for making end joint.

S&F in replacement of existing unsv cable joints with Cable jointing kit for HT cable, 11 KV (Earthed) grade cable for outdoor end termination complete with jointing material and accessories suitable for 95 Sqmm 3 core XLPE armoured aluminium conductor cable of size complete all as directed. Note:- Rate quoted including necessary excavation, returning filling, removal etc for taking out loop/ cutting of burnt cable for required length for making end joint.

S&F in replacement of existing unsv cable joints with straight through joints (heat shrinkable) any type suitable for XLPE 11 KV aluminium conductor cable of size 95 to 120 Sqmm 3.5 core and testing after jointing complete all as directed. Note:- Rate quoted including necessary excavation, returning filling, removal etc for taking out loop/ cutting of burnt cable for required length for making end joint.

All as per item No. 36 above but cable size 35 to 50 Sqmm 3.5 core, 1100 volts

All as per item No. 36 above but cable size 70 to 120 Sqmm 3.5 core, 1100 volts

All as per item No. 36 above but cable size 185 to 240 Sqmm 3.5 core, 1100 volts

S&F in replacement MCCB 63 Amps 415 volts, 50 Hz, 4 pole, 16 KA breaking capacity with thermal magnetic setting including providing suitable size aluminium lugs, speders complete all as specified and directed.

All as per item No. 40 but MCCB 100 Amps, 4 pole, 16 KA

All as per item No. 40 but MCCB 200 Amps, 4 pole, 25 KA

All as per item No. 40 but MCCB 250 Amps, 4 pole, 25 KA

M&L for repairs to existing damaged jumper, over head conductors and testing of insulators, lightning arrestor, GOD, Do fuse, repairs to HT/LT cables insulator damaged by excavation work carry out to bring out looping cable and fixing to OH conductor with proper insulation, including testing of cable after jointing complete all as directed. Note : (a) The quoted rates are including of minor items such as HT fuse wire, conductor wire for jointing of jumper up to 1.5 mtr length, insulation tap, excavation work involved for looping cable only, transportation & ladder etc. (b) Contractor shall arranged electrician/labour within 1 Hrs for repairing of damaged jumper/over head conductor. (c) If contractor failed to attend the complaints within one hour then penalty @ Rs. 1000.00 per complaint shall be recovered from contractors dues.

M&L for Repair to Gang Operated Air Break switches, 11 KV, Current capacity 200 Amps by replacing following spares :- Make : Jaipuria Brothers/National. (a) Moving male contact blades Brass.

(b) Fixed female contact jaw Brass.

(c) Tinned copper flexible jumper

(d) MS Jumper carrier

(e) Back connector plate

S&F in replacement Heavy gang operated triple pole mechanically operated air break on load disconnecting switch each pole consist of galvanised iron base HT 11KV with polymer insulators per phase non ferrous knife and spring loaded contact GI pipe of adequate length for operation from ground level and operating handle complete in both OFF and ON position capacity 200 Amps complete all as specified & directed. Make: National Power/Jaipuria/ABB/Oblum

S&F in replacement 11 KV Heavy Drop Out Fuse complete in each pole consist of galvanised iron base HT 11KV with polymer insulators complete all as specified and directed. Make: National Power/Jaipuria/ABB/Oblum

S&F in replacement HT 11 KV Disc type insulator with hardware, single disc assembly, polymeric insulator, socket type complete all as specified and directed.

S&F in replacement Pin type polymer insulator including one galvanised mild steel spindle two GI washers and one GI iron nut for 11 KV grade complete all as specified and directed.

S&F in replacement lightening arrestor HT 11000 KV pole mounting with polymeric insulator complete with all fittings transmission class nominal discharge current upto 65 KA complete all as specified and directed.

S&F Electrical Insulating mat blue in colour confirming IS:15652-2006 of size 2m x 1m x 2.5 mm thick complete all as specified and directed.

M&L for preparation of old painted surface of HT concrete pole by removing all dirt, dust etc. and painting complete surface including connected accessories with one coat of Apex emulsion paint of approved colour including cross arms/bracing support on poles painted with one coat of Aluminium paint and writing of pole Nos etc. complete all as directed

M&L for preparation of old painted surface of LT concrete pole by removing all dirt, dust etc. and painting complete surface including connected accessories with one coat of Apex emulsion paint of approved colour including cross arms/bracing support on poles painted with one coat of Aluminium paint and writing of pole Nos etc. complete all as directed

M&L for preparation of old painted surface of LT steel tubular pole by removing all dirt, dust etc. and painting complete surface including connected accessories including cross arms/bracing support on poles painted with one coat of Aluminium paint and writing of pole Nos etc. complete all as directed

M&L for preparation of old painted surface of fencing, gate and angle iron with connected accessories along MES installation by removing all old paint, dirt, dust, etc and painting complete surface of installation with one coat of synthetic enamel paint of approved colour and foundation/platform of installation painting with one coat Apex emulsion paint including writing of identification etc. all as directed .

M&L for preparation of old painted surface of Feeder Pillar box/LT Panel by removing all dirt, dust, making necessary welding of broken parts etc. and painting complete surface including connected accessories with one coat of synthetic enamel paint of approved colour including writing of identification etc all as directed

M & L for cutting and removing grass, vegetation, bushes etc and cleaning the installation and surroundings complete for a substation/ installation all as specified and directed

M&L for PCC 1:3:6 type C-1 ( using 20 mm graded stone aggregate) as in repair of earth pit, cable duct, PCC near GOD and transformer including necessary formwork complete all as specified and directed.

M & L for filling and spreading aggregate using 40 mm grade trap stone aggregate around 4 pole , 2 pole structure and transformer etc. complete all as specified and directed.

Taking down existing MS articles and S&F new 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 including applying of two coats of aluminium paint over a coat of red oxide primer complete all as directed.

Supply and applying petroleum jelly on GOD after removing carbon, dust etc complete all as specified and directed

M&L for earthing complete with galvanised steel plate electrode 600mm x 600mm x 6mm thick buried directly in ground (earth pit not less than 2.25 Mts deep below ground level with top edge of the plate not less than 1.50 Mtrs below ground level connected to glavanised iron strip 25 x 4 mm by means of bolts, nuts check nuts and washers of galvanised iron or steel connected to earthing test point all as specified incl GI tubing medium grade and necessary fitting for protection of GI wire incl laying of charcoal dust and common salt in alternate layer, PCC Pit (1:3:6) type C-1 using 20 mm graded stone aggregate, RCC cover 40mm thick (1:2:4) type B-0 using 12.5 mm graded stone aggregate reinforced with 6 mm dia round bar @ 75 mm C/C both ways with MS handle 8 mm dia, plastering 15 mm thick CM (1:6) externally upto 150mm below ground level, GI funnel with 20mm dia medium grade GI pipe for watering and wire mesh incl. excavation and earth work and disposal of surplus soil complete all as specified and shown on electrical plate No 3 of SSR Part (2009) and connected to earth test point incl testing complete all as specified an directed. Note:- The unit rate includes the cost of GI pipe medium grade for protection of earth wire and earth strip upto 7.5 M.

Supply and fixing Contactor MCX 32, Conforms to IS / IEC 60947-4-1 & IEC 60947-4-1, Aux. Contacts 2 NO + 2 NC complete all as specified and directed. Make : L&T cat part MCX 32 or equivalent in Havells/Legrand/C&S

Shine Enterprises (BID ID -3107734)

S and G Constructions (BID ID -3109267)

Star Freeze Service (BID ID -3108139)

NATIONAL ENGINEERING CORPORATION (BID ID -3105067)

D.K. ENTERPRISES (BID ID -3103869)