REPAIR/REPLACEMENT AND MAINTENANCE OF HT/LT UG CABLE, JOINTS, GOD, HT 2/4 POLE, EARTHING AND CONNECTED ITEM AT AF STATION CARNICOBAR.

Amount

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 m deep in soft/loose soil) for laying of cables or GI pipe and getting out including levelling of bottom suface to required level complete all as specified and directed

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

Removing excavated material (ie soil) from site to a distance n. exc 50 m away and depositing where directed at a level n. exc. 1.5 m above the starting point complete all as specified and directed

Re-Adjustment, Cleaning of Contact, greasing and testing of out door type Air break switch 11 KV, current rating upto 400 Amps for desired alignment to smooth operation from ground level and replacement of unserviceable parts in position. Note : Replacement of unserviceable parts shall be measured and paid separately under relevant items, complete all as specified and directed

Testing of earth resistance value monthly / quarterly / half yearly of any type of earth pits in any location with qualified electrician with helper including earh resistance testing equipment and record the value of earth resistance as per format given by Engr-in-charge and submit the test report complete all as specified and as directed. (Note:-(i) the earth tester provide by the contractor included in the quoted rate (ii) The stationary required for record the values is deemed to include the quoted rate (iii) The watering arrangement for curing in earth pits for enhancing the value to be included in the quoted rate)

Supplying, laying, testing and connecting in replacement XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) of sizes 95 sqmm 3 corewith multistranded aluminum conductors, 11 KV grade, IS 7098 marked, suitable for HT 11 KV(E) system, laid in trenches / ducts / encased in GI pipe / fixed to pole, including jointing & testing complete all as specified and directed .

All as per item No 6 abobe but of size 120 sqmm 3 core.

Demolition of path /concrete in ground floors and pavings n exc 15 cm thickness (below or above ground level) complete all as specified and as directed.

M/L for cement concrete type B-2, 1:2:4 (40mm graded aggregate) 150mm thick as in hard standing / Paving finished even and smooth without using extra cement complete all as specified and as directed.

Material and labour for cement concrete in foundations for pole coping or any other work type B2 1:2:4 with 40mm graded aggregate complete all as specified and as directed.

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 Sqmm to 95 Sqmm 3 core.

All as per item No 11 above but of size 120 Sqmm to 185 Sqmm, 3 core.

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 Sqmm to 95 Sqmm 3 core.

All as per item No 13 above but of size 120 Sqmm to 185 Sqmm, 3 core.

Supply and fix 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 50 Sqmm to 95 Sqmm 3 core.

All as per item No 15 above but of size 120 Sqmm to 185 Sqmm, 3 core.

Supply, laying, jointing and commissioning in replacment LT underground cables XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with multistranded aluminium conductors, 1100 volts grade cross sectional area 240 Sqmm 3.5 core including taking down unserviceable cable, laid in trenches complete all as specified and directed. Note Excavation, earth work ,cable protection , sand fillings shall be measured and paid separately.

All as per srl item No 17 here-in-before but of size 185 Sqmm 3.5 core

All as per srl item No 17 here-in-before but of size 120 Sqmm 3.5 core

All as per srl item No 17 here-in-before but of size 70 Sqmm 3.5 core

All as per srl item No 17 here-in-before but of size 50 Sqmm 3.5 core

All as per srl item No 17 here-in-before but of size 35 Sqmm 3.5 core

All as per srl item No 17 here-in-before but of size 25 Sqmm 4 core

All as per srl item No 17 here-in-before but of size 16 Sqmm 4 core

All as per srl item No 17 here-in-before but of size 10 Sqmm 2 core

Supply and fix in replacement air break switch gang operated tripple pole mechanically operated mechanism, switch air break gang operated mounted on 15 Nos insulator and steel frame with operating rod of 25 mm bore GI Pipe and locking arrangements worked from ground level for current rating 200 Amps, HT 11 KV grade including drop out fuses and necessary silver coper coating jumpers and making all electrical connections complete all as directed by Engineer in Charge.

Supply and fixing lightning arrestor zinc oxide distribution class 65 KA RMS suitable for 11 KV system pole mounting type conforming to IS-3070 Part -III, 1993. including bolts, nuts and washers and electric connection complete all as specided and directed by Engr in charge.

M&L for preparation of old painted surfaces of any description not excceing 10 cm width or girth including cleaning of pipes, chanells, angles, painting with one coat of aluminium paint complete all as specified and as directed

S&F in replacement 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 and inclusive of one primer coat, one under coat and one finishing coat of aluminium paint on 2/4/6 pole 11 KV HT structure complete all as directed by Engineer in Charge.

Material and labour for sprading of stone aggregate of nominal size not more than 63/40mm under 2/4/6 pole HT structure /surounding area of manually without damaging any equipments, cable or parts , spreading & levelling of finished gravel uniformaly in layersn and rammed to true surface all as specified and directed

S&F in replacement disc type insulator,porecelain, viterous 145mm high and 255mm dia ball and socket type , brown tow in series assembly for tension with tension clamps for conductors, working presseue 11000 volts complete all as specified and directed.

S&F in replacement pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers,nut size 150 mm height 150mm dia, 11000 volts grade complete all as specified and directed.

Supply and fix in replacement Danger notice plate of 1.6mm thick mild steel sheet vitreous enamelled white, with letters, fingures and conventional skull and bones in signal red colour and fixed with MS clamps bolts and nutsof approced size for LT 20x15 cm size complete all as specified and as directed

All as item no 33 here in before but for HT 25x20 cm size

Supply and fixing in replacement test point terminal block made of gun mrtal or phosphorus size 75x75x25mm dirilled and screwed including 3 Nos and 8mm dia 25mm long hex screw complete all as specified and as directed.

Supply and fixing in replacement PVC rectangular box of size 175x175x50mm for mounting the test point with 3mm thick plastic sheet as a top cover and mounted on wall floor with suitable size of screws complete all as specified and as directed.

Supply and fix in replacement mild steel / GI plates plain or chequered 5 mm thick or over in thick ness in required size for duct covers complete all as specified and as directed

Supply and laying double wall corrugated pipe (DWC) conforming to IS 19430 Part - I of size 50mm outer dia and 38 mm inner dia complete all as specified and as directed

All as per item no.38 here in before but 63 mm outer dia and 50 mm inner dia.

All as per item no.38 here in beforebut 110 mm outer dia and 95 mm inner dia.

All as per item no.38 here in before but 180 mm outer dia and 152 mm inner dia.

Supply, laying, jointing and commissioning in replacment LT underground cables XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with multistranded aluminium conductors, 1100 volts grade cross sectional area 630 Sqmm single core including taking down unserviceable cable, laid in trenches complete all as specified and directed. Note Excavation, earth work ,cable protection , sand fillings shall be measured and paid separately.

All as per srl item No 42 here-in-before but of size 400 Sqmm single core

M&L for earthing complete with GI earth plate electrode of size 600mx600mmx6 mm, buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of earth plate not less than 1.5 mtr deep below normal ground level, connected to GI earth strip 25x4 mm by by means of bolts, nuts, check nuts and washers of GI or steel and copper earth strip and connected to earthing test point / distribution board/equipments or any other indicated situation all as shown in electrical plate No 3 of SSR Part I (2009) and testing on completion including necessary excavation in any type of soil, returning filling, removing of soil and 1.5 mtr length GI medium grade 20mm dia pipe with funnal and wire mesh, PCC chamber of 1:2:4 type B1 using 20 mm grade stone aggregate, 40 mm thick RCC 1:2:4 type B1 using 20mm graded stone aggregate and reinforced with 8mm dia TMT bars at 150mm c/c on both ways pre cast chamber cover with lifiting handle 16mm dia round bars, Gi pipe medium grade 40 mm dia for earth strip protaction including charcol, common salt complete all as specified and directed. (Note:- GI earth strip above to 7.5 mtr long shall be measured and paid separetly)

M&L in replacement of jumper/bus bar made of ACSR conductor of existing size on HT two/four/six pole structure including bus bar with PVC sleeve , lugs , nut bolts and washers complete all as directed.

M & L for cutting and removing grass, vegetation bushes etc from surrounding 2pole/4 pole/6 pole HT structure , outside area of HT installation and removing all rubbish to a distance not exceeding 50 m as directed.(Note: Cutting of grass, vegetations bushes shall be cut at the interval of 3 months till to entire contract period and contract shall quote their uint rate accordingly)

Suplying and laying in replacement in sub station fixing 11 KV electrical insulation mat of size 1 mtr x 2 mtr x 19 mm thick specification as per IS 15652 2006 complete all as directed by Engineer in Charge.

Supplying and fixing in replacement male contact/moving contact for gang operated air break device 11 KV complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement female contact /fix contact jaw for gang operated air break device 11 KV complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement tinned copper flexible jumper 200 Amp/400 Amp for gang operated air break device 11 KV complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement MS jumper carrier for gang operated air break device 11 KV complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement back connector plate for gang operated air break device 11 KV complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement porcelain post insulator for gang operated air break device 11 KV complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement drop out fuse element 5 to 25 Amp complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement drop out fuse element 50 Amp complete all as directed at site by Engr-in-charge.

M&L Cable rout indicator in replacement comprising of CI wiser of size 100mm dia embossed as HT power cable fixed to MS angle iron of size 50x50x6mm graded stone aggregate of block size 300x300x450mm including two coats of aluminium paint over a coat of aluminium red oxide primer and neceessay earth work complete all as specified and directed.

M & L for Stranded Aluminium Conductor cable Servic wire in replacement PVC sheathed 1100 Volts, flat twin core of size 16 sqmm all as directed by Engineer in Charge.

M&L for copper sulphate for enhance the conductivity of soil including pouring water as required in any loaction and necessary excavation and earth work if necessary be included in quoted rate complete all as specified and as directed.

M&L for comman salt for enhance the conductivity of soil complete all as specified and as directed.

Supply, fixing and testing straight through joint heat shrinkable type with jointing kit suitable for cable PVC/XLPE insulated armoured heavy duty aluminium conductor 1100 Volts grade complete all as directed for the following sizes :- 10 to 16 Sqmm x 3.5 core/ 4 core

All as per item No 60 but size 25 to 50 Sqmm x 3.5 core/ 4 core

All as per item No 60 but size 70 to 150 Sqmm x 3.5 core

All as per item No 60 but size 185 to 240 Sqmm x 3.5 core

SKY GROUP

Ravi Enterprises

Chandra Construction Enterprises

M/s Karbhagam Sales Agency

MGP Enterprises

EVEREST COOLING WORKS

Tropical Refrigeration