Extension of Mine haul road lighting system at Panchpatmali Bauxite Mines, NALCO, Damanjodi.

Amount

Laying of one number of pvc insulated and pvc sheathed power cable 1.1 kv grade up to 4 core x 70sqmm size (25sqmm,35 sqmm,50sqmm,70 sqmm) direct in ground including excavation in soft rock and all kind of soil(trench size 400mm widex1200 mm depth),supply and spreading of coarse sand for cushioninig and protecting layer on cable and refilling of trench with excavated soil. ,shifting of cable from central store MInes & fly ash bricks from Alumina Refinery to work site is under the scope of the vendor. Cables & fly ash bricks for protection layer shall supply by Nalco as free issue item.

Laying of one number of pvc insulated and pvc sheathed power cable 1.1 kv grade up to 4 core x 300sqmm size(95 sqmm,120 sqmm,150sqmm,300 sqmm) direct in ground including excavation in soft rock and all kind of soil(trench size 400mm widex1200 mm depth), supply and spreading of coarse sand for cushioninig and protecting layer on cable and refilling of trench with excavated soil. ,shifting of cable from central store MInes & fly ash bricks from Alumina Refinery to work site is under the scope of the vendor. Cables & fly ash bricks for protection layer shall supply by Nalco as free issue item.

Issue of materials from NALCO store & shifting to site with contractor's own arrangements and erection up to 14 mtrs GI octagonal electric pole including excavation of soil, making of RCC foundation of M20 grade (size 800x800x3000 mm) with all shuttering material etc & as per direction of Engineer in-charge. The items including excavation of earth, RCC works. If required the job also need minor modification of poles like cutting of arms,extension of arms and provision of antclimbing device. Only cement, tor steel rods, poles & foundation bolts shall be supplied by NALCO free of cost rest all items like sand, chips, for anticlimbing device etc to be supplied by contractor.

Issue from NALCO stores, shifting to site & installation of 250 watt HPSV light fitting /eqv. LED street light fitting on pole top up to 14 mtr height (including assembling of all light fitting items) with supply & laying of 2.5 sq mm 3 core copper/aluminium flexible cable from JB to light fixture . Light fixtures shall be supplied by NALCO as free issue material. Contractor has to arrange his own arrangement for fixing of the same. Minor cutting and welding is also included in the scope of the contractor.

Issue from central stores/Departmental store & installation of Metallic/ Polycarbonate Junction boxes at 2 meters height with GI /HDPE pipe above the ground level for power supply cable to be used as cable raiser. clamps & all hard ware for mounting of the JBs on the pole shall be supplied by Nalco as free issue material however 4 nos of required nut and bolt of required size for JB and 4 nos of nut and bolt for pole bracket shall be supplied by the party for mounting of JB.

Supply and Making of earth pits including earth escavation in hard soil of size 10 ft. X 2 ft. X 2 ft.or 6"dia x10 feet depth dril hole , resurfacing with black cotton soil, preparation of chemical compound,positioning of high conductive rust free copper coated earth electrode, clamping of electrode with copper clamp , supply and laying of 20 mm GI strip strip for connection between earth pit and equipment up to 10 mtr length,complete with brick chember and RCC cover. Bricks & cement shall be supplied by Nalco free of cost , however issue & shifting of free issue items upto site & supply of other material required for chember and RCC cover is included in the scope of the contractor along with numbering of pits and making the earth resurfacing.

Supply & fixing of pre-cast concrete cable route marker, body painted with yellow and letter with black enamel paint ,embossed with NALCO logo & text "MV CABLE" as per direction of Engineer In charge. Cement shall be supplied as free issue item.All other consummables/materials required for the job are in the scope of the contractor.

Supply of double compression cable gland of comet dowells/multi/cable grip make and carrying out termination of cables of sizes 95 to 150 sqmm in feeder pillars/LT panels/pole JBs etc.The scope includes carrying of glanding,socketing and cable dressing.supply of appropriate size of dowells or equivalent make sockets/lugs(4 nos per termination)is also included in the scope of the party

Supply of double compression cable gland of comet/ dowells/multi/Braco make and carrying out termination of cables of sizes 25-70 sqmm in feeder pillars/LT panels/pole JBs etc.The scope includes carrying of glanding,socketing and cable dressing.supply of appropriate size of dowells or equivalent make sockets/lugs(4 nos per termination)is also included in the scope of the party

Providing and laying plain cement concrete for all depths below and up to a plinth level in foundations,out door substation floor including tamping,ramming,vibrating,curing, shuttering etc.all as specified in any shape,position,thickness and finishing the top surface rough or smooth as specified and directed, including supply of all materials and all complete for concrete of M-15 grade with 20 mm and down size graded crushed stone aggregates,including all labour and materials, as per approved drawing, specifications of this tender and directions of Enginer-in-Charge. Nalco shall supply cement as free issue material

Laying of 6 SWG hot dip G.I wire for running earth connection inside excavated trench/direct on surface along the power cable including end connection as required and as per direction of E-I-C.Nalco shall supplier GI wire as free issue material.

Supply and Making of straight through joint with heat shrinkable jointing kit suitable for 1.1 kv grade ,95 to 150 sqmm pvc armoured cable including ferrules and other jointing materials as required(make -3M or raychem only).Crimping tool ,blow lamp etc shall be arranged by the contractor during making of joints at site.All other consummables/materials required for the job are in the scope of the contractor.

Structural steel work reveted,bolted or welded in built up sections,trusses and framed work,including cutting,fixing in position and applying a priming coat of approved steel primer all complete.Providing of steel only, is in NALCO's scope.All other things required, are in contractor's scope.

Transporting from mines site ,installation of feeder pillar at different location including fabrication of mounting bracket ,foundation base etc. Feeder pillar, steel and cement shall be supplied by nalco as free issue material. All other other materials required for the job are included in the scope of the party.

Making of foundation for Transformer ,plinth,shed foundation by RRM with granite boulders including leveling up with cement concrete in ratio 1:4:8 . All other material except cement like stone boulders,sand etc are in the scope of vendor.

Transporting 100 kva transformer from mines central store ,installation of transformer at north block end including fabrication of mounting bracket ,foundation base etc. Steel and cement shall be supplied by nalco as free issue material. All other other materials required for the job are included in the scope of the party.

UNICORN INDIA PRIVATE LIMITED

MISHRA ELECTRICAL SERVICE

SUSHANTA ENGINEERS

S K ENGINEERING WORKS

CHINTAMANI ENTERPRISES