Repair Maintenance to LT UG Cable GOD Insulators LT Panel APFC Panel etc and preventive maintenance to external services at NOFRA Area and Repair Maintenance of Lighting Protection System and Earthing at NOFRA NAD and MO Goa under GE Gomantak

Amount

Excavation in trenches not exceeding 1.5 m width and not exc 1.5m in depth getting out in hard/dense soil taking down UG cable any size.

Excavation in trenches not exceeding 1.5 m width and not exc 1.5 in depth getting out soft disintegrated rock for laying and taking down UG cable of any size

M & L for sand cushion in trenches for cable protection complete all as directed and specified.

Supply and lay PCC cable cover class LV type I flat size 250mm x150mmx40mm with ISI mark.

Supply and lay PCC cable cover class HV, type 1, flat size 300mm x 180mm x 40mm with ISI mark.

Returning filling in including spreading levelling watering and well ramming in layers not exceeding 25 cm in thick using excavated hard/dense soil.

Removal of surplus soil to a distance not exceeding 50 m and depositing where directed by Engr-in-charge.

Supply and laying HT XLPE cable insulated , screened, PVC bedded , galvanised steel strip armoured, electric power cable (Heavy duty) with aluminium conductor, cross sectional area 95 Sqmm 3 core 11KV grade, including dismantling of existing cable.

Supply and laying LT UG cable XLPE insulated armoured heavy duty 1100 volts grade with aluminium conductor multistandarded including centre gland, lugs, jointing materials etc laid in trenches or fixed it to wall including dismantling of existing cable of following sizes:- Make: Finolex/Polycab/Havells

(a) 25 Sqmm 3.5 Core

(b) 35 Sqmm 3.5 Core

(c) 50 Sqmm 3.5 Core

(d) 70 Sqmm 3.5 Core

(e) 95 Sqmm 3.5 Core

(f) 120 Sqmm 3.5 Core

(g) 185 Sqmm 3.5 Core

(h) 240 Sqmm 3.5 Core

M&L for fixing GI tubing light grade use for the protection of cable all as specified and directed by Engr-in-Charge.

(a) 40 mm dia

(b) 50 mm dia

(c) 80 mm dia

M&L for High density polyethylene pipes (HDPE) of pressure rating PN 6 (SDR 21) laid in trenches for cable protection complete all as spcified and directed of following sizes:-

(a) 40 mm dia

(b) 50 mm dia

(c) 90 mm dia

(d) 110 mm dia

Supply & Fixing sheet moulding compound junction box (SMC) suitable for terminating 2 Nos 4 x 6/10/16 Sqmm UG cable including MS clamp with nut and bolt, one in Nos MCB SP 0.5 Amps including cable glandes - 2 Nos, and two way connector 1 No, including dismantling old one complete all as specified and directed. Note : MS clamp with nut and bolt will be measured and paid seperately.

M & L Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm including dismantling old burnt cable joint termination.

M & L Cable jointing kit for 11 KV (Earthed) grade cable for outdoor end termination complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm including dismantling old burnt cable joint termination.

M & L 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 95 to 120 sqmm including dismantling old burnt cable joint termination.

M & L Cable jointing kit for 1.1 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 35 to 50 sqmm including dismantling old burnt cable joint termination.

M & L Cable jointing kit for 1.1 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 70 to 120 sqmm including dismantling old burnt cable joint termination.

M & L Cable jointing kit for 1.1 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 185 to 240 sqmm including dismantling old burnt cable joint termination.

S & F in repair MCCB 415V 3 phase 50 HZ 4 pole 63 Amps breaking capacity 16 KA complete all as specified and directed by Engr-in-Charge.

S & F in repair MCCB 415V 3 phase 50 HZ 4 pole 100 Amps breaking capacity 16 KA complete all as specified and directed by Engr-in-Charge.

S & F in repair MCCB 415V 3 phase 50 HZ 4 pole 200 Amps breaking capacity 25 KA complete all as specified and directed by Engr-in-Charge.

S & F in repair MCCB 415V 3 phase 50 HZ 4 pole 250 Amps breaking capacity 25 KA complete all as specified and directed by Engr-in-Charge.

Material and labour 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 than excavation work carry out and looping cable out and fixing to OH conductor with proper insulation, including testing of cable after jointing. 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 are arranged electrician/labour within 1 Hrs to repairing of damaged jumper/over head conductor. (c) If contractor are failed to attend the complaints then penalty charges will be apply.

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

M & L for 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 11 KV 200 Amps including taking down old one. Make : Jaipuria Brothers/National/ABB/Oblum

M & L for 11 KV Heavy Drop Out Fuse complete in each pole consist of galvanised iron base HT 11KV with polymer insulators including taking down old one all as specified and directed. Make : Jaipuria Brothers/National/ABB/Oblum

M&L for HT 11 KV Disc type insulator with hardware, single disc assembly, polymeric insulator, socket type, including taking down old unsv. Make : Jaipuria Brothers/National/ABB/Oblum

S&F for Pin type polymer insulator including one galvanised mild steel spindle two GI washers and one GI iron nut for 11 KV grade including dismantling the old U/S insulator. Make : Jaipuria Brothers/National/ABB/Oblum

S & F lightening arrestor HT 11000 KV pole mounting with polymeric insulator complete with all fittings transmission class nominal discharge current upto 65 KA including removing the defective one 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 electric pole by removing all dirt, dust, etc and painting complete surface including connected accessories with one coat of Apex emulsion paint/aluminium paint of approved colour including cross arms/bracing support on poles and writing of pole Nos etc all as directed by Engineer-in-Charge for following pole:-

(a) HT concrete pole of any length

(b) LT concrete pole of any length

(c) LT steel tubular pole of any length

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 by Engineer-in-Charge.

M & L for preparation of old painted surface of Feeder Pillar box/LT Panel by removing all dirt, dust, 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 by Engineer-in-Charge.

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 by Engr-in-Charge.

M & L for PCC 1:3:6 type C1 using 20 mm graded trap stone aggregate for repair of earth pit, cable duct PCC near GOD and transformer etc as directed by Engineer-in-Charge.

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

M&L for cross arm bracing support to clamps and back plate fabricated from structural steel section like angles channels flat etc including nuts bolts and washers welding bending cold or hot drilling holes for bolts if any shape and size and incl applying two coats of aluminium paint over one coat of red oxide primer including dismantling of old cross arms and all as directed by Engr-in-charge.

Supply and installation of LT panel 'KIOSK type' cubical, weather, dust and vermin proof (out door type) CPRI approved factory made suitable for operation on 1100 volts 3 phase, 4wire, 50 HZ AC electric supply, externally powder coated & internally painted with two coats of synthetic enamel paint over one coat of red-oxide primer, made out of 3mm thick CRCA steel sheet as size having opening and locking arrangement both from front and back side with cable tray of size not less than 20cm including copper busbar size 50x10 mm, fixing on angle iron size of 50x50x6mm including connected accessories and necessary PCC work 1:3 :6 type C-2 blocks complete with following accessories :- (i) MCCB 630 Amps 4 Pole 50kA - 01 No (Incoming). (ii) MCCB 250 Amps 4 pole 25kA - 01 No (Outgoing). (iii) MCCB 200 Amps 4 pole 25kA - 02 No (Outgoing). (iv) MCCB 160 Amps 4 pole 16kA - 01 No (Outgoing). (v) MCCB 100 Amps 4 pole 16kA - 01 No (Outgoing). (vi) S&F multi function digital meter with LCD display incl PT and CT having CTR 50/5 (Parameters : V, A, F, PF, kW, kVA, KWh, kVAh, kVARh) - 01 No (Make : L&T 4410 series Cat Part No. WL441010OOOO) (vii) Indicators with neon lamp with RYB shade, 240 volts 50 c/s of suitable capacity resistance - 01 set. (viii) Internal wiring with suitable size PVC insulated single core copper cable for connecting instruments - 01 lot

Supply and installation of 100 KVAr APFC panel 'KIOSK type' cubical, weather, dust and vermin proof (out door type) CPRI approved factory made suitable for operation on 1100 volts 3 phase, 4 wire, 50 HZ AC electric supply, externally powder coated & internally painted with two coats of synthetic enamel paint over one coat of red-oxide primer, made out of 3mm thick CRCA steel sheet as size having opening and locking arrangement both from front and back side with cable tray of size not less than 20 cm including copper busbar size 25x06 mm, fixing on angle iron size of 50x50x6mm including connected accessories and necessary PCC work 1:3 :6 type C-2 blocks complete with following accessories :- (i) MCCB 160 Amps 4 Pole 25 KA (ii) 8 step intelligent power factor controller - 01 set (ii) Capacitor metalized poly propylene heavy duty (MPP-H) for 3 phase 440 volt & 50 HZ system for permissible non-linear load 15% of 5 KVAR capacity with 10 Amps TP MCB, Duty contactor, Auto/manual switch, illuminated push button/indicators. - 02 set (iii) - do - but 10 KVAR capacity with 16 Amps TP MCB - 03 set (iv) - do - but 15 KVAR capacity with 32 Amps TP MCB - 01 set (v) - do - but 20 KVAR capacity with 32 Amps TP MCB - 01 set (vi) - do - but 25 KVAR capacity with 40 Amps TP MCB - 01 set (vii) S&F multi function digital meter with LCD display incl PT and CT having CTR 50/5 (Parameters : V, A, F, PF, kW, kVA, KWh, kVAh, kVARh) - 01 No (Make : L&T 4410 series Cat Part No. WL441010OOOO) (viii) Indicators with neon lamp with RYB shade, 240 volts 50 c/s of suitable capacity resistance - 01 set. (ix) Internal wiring with suitable size PVC insulated single core copper cable for connecting instruments - 01 lot

Supply and applying petroleum jelly on GOD after removing carbon, dust etc complete all as specified and directed by Engr-in charge.

M & L for earthing complete with steel earth plate eletrode 60cmx60cmx6mm thick buried directly in ground vertically (earth pit not less than 2.25 mtr below ground level) with top edge of plat not less than 1.5 mtr below ground level connected to GI earth strip 25x4mm by means of bolts. nuts,check nuts and washers etc including protection pipe 15mm dia up to 7.5m length, provision the earth lead to earth connection in ther main distribution box with lugs and GI nuts, bolts, earthing shall be done all as per shown electrical plate No 3 of SSR part 1 Including neccessary excavation in soft disintergrated rock and provision of 15mm dia pipe with funnel, PCC earth chamber of 100mm thick precast RCC cover with suitable precast RCC frame and earth test point and testing in presence of Engr-in-Charge.

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 MCX 32.

M&L for provn of chemical earthing, electrode made of copper molecular bonded steel rod 17.2 x 3000mm, 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 all as directed by Engr-in-Charge.

Supply and fixing 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 32 x 6 mm copper strip as per directed by Engr-in-Charge.

M&L for test point terminal block made out of gun metal 75 mm x 75 mm x 25 mm drilled and screwed including three Nos 8mm dia 25 mm long hexagonal head screws and including provision of suitable MS box made out of 3 mm thick MS sheet to accommodate the terminal block all as specified and directed by Engr-in-Charge.

M&L for PCC 1:3:6, type C-1, using 20mm graded aggregate for repair damaged plinth protection area including necessary form work as per site and directed by Engr-in-Charge.

Supply & fixing 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 including removal of old unserviceable earth strip.

Supply and fixing Air termination, single pointed Copper Rod 12mm dia and 300 mm long as specified and directed by Engr-in-Charge.

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 earth plate electrode 60 cm x 60 cm x 3.15 mm thick buried directly in ground vertically to a depth not less than 2.25 m below ground level with top connected to Copper earth strip 25 x 3 mm by means of bolts, nuts, check nuts and washers of brass and earth lead connected to terminal box with including necessary and earth work and excavation including PCC chamber made up of 1:3:6 and GI cover all as specified and or shown in electric plate No 5 of SSR-1 complete all as specified and directed by Engr-in-Charge.

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

NATIONAL ENGINEERING CORPORATION

Star Freeze Service

Susheel Enterprises

Shine Enterprises

SHIVANI ENTERPRISES

S and G Constructions

sapna enterprises

OM SAI ELECTRICALS