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| 1 | Providing power supply arrangement for newly constructed railway building at north portion of SOCP mine IB Valley Area. |
| 2 | Supply of 150x150 mm 12 mtr long GI type pole @ 34.6 Kg per Mtr. |
| 3 | SUPPLY of All Aluminium Conductor(AAAC), Sectional Area-125 Sq MM, Stranding-19/2.89 mm Dia, Approx Overall Dia-14.45, Weight-342.51 Kg per KM, DC Resistance @ 20 Deg Cel-0.2735 ohm/Km, Breaking Load-36.64 kN, conforming to IS:398 Part IV/1994 with amendment no. 1, (Reaffirmed 2004) |
| 4 | Erection of metallic pole of following length in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) foundation including excavation and refilling etc. as required.(10 To 12 Mtr Height) |
| 5 | Erection of all aluminium conductor of 7/1.96 mm to 7/3.10 mm diameter including binding etc. as required. |
| 6 | Supplying and erection of 11 KV pin insulator complete with large steel head G.I. pin, nuts, washers etc. as required. |
| 7 | Supplying and erection of 11 KV disc insulator for 11 KV overheadlines with galvanised insulator fittings, ball and socket type and complete with galvanised strain clamps, bolts, nuts, washers etc. as required. |
| 8 | Supplying and erection of stay set complete (galvanised) with 19/ 20 mm dia X 1.8 metres long stay rod, anchor plate of size 45 cm X 45 cm X 7.5 mm, thimble, stay clamps, turn buckle ( 20 mm X 60 cm ), 7/ 4.00 mm dia G.I. stay wire and strain insulator etc in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size ) foundation including excavation and refilling etc. as required. |
| 9 | Supplying of channel iron 75mm X 40mm X 6 mm (7.14kgpermetre) V shape crossarm for two 11 KV overhead line conductors complete with 50mm X 6mm M.S. flat iron clamps, bolts and nuts including drilling holes for insulator pins, bolts, nuts and washers etc (as per drawing) and painting with primer and finish paint as required. |
| 10 | Supplying of 50 mm X 8 mm M.S.flat iron pole top bracket/crossarm for single 11/22/33KV over head lineconductor completewith fixing clamps, bolts, nutsandwashersdrilling holes for insulator pins, bolts and nuts etc and painting with primer and finish paint as required. |
| 11 | Supplying of two lengths of channel iron 75mmX40mmX6mm (7.14kgpermetre)double pole cross arm for three wire 11 KV overhead line conductors complete with through bolts and nuts for clamping to the poles, 50mmX6mmM.S. flats welded on one side to the channel iron and with bolts and nuts on the other side for tying the crossarms together, including drilling holes for insulator pins/ fittings, bolts, nuts andwashers etc (as per drawing) and painting with primer and finish paint as required. |
| 12 | Erectionofpoletop/straight twowire/Vshapetwowire, angle iron/channel iron, cross arm on steel tubular/ rail/ PCC pole for 11/22/33 KV as required |
| 13 | Supply of 11 KV, 400 AMPS, Double break GOAB switch having:-Type of Installation-Double Break, Gang Operated Outdoor Type, Horizontal Mount Standards-IS 9921 and IEC-129 Rated Voltage-11 KV, Maximum design Voltage-12 KV Frequency- 50 Hz Contineous Current Rating-400 Amps, Rated short time current:-i. For 1 Second (KA RMS)-18.42 KA, ii. Rated peak short time current(KAP)-46 KAMinimum clearance in air i. Between Poles(MM)-1050 MM(Phase to phase centre of 1300 MM) ii. Between live parts & earth(MM)-508 MM(Equivalent to Insulator Height) iii. Between live parts when switch is open: a) On the same pole(mm)-840 MM(Centre to centre of outer stacks-915 MM) b) Between adjecent poles(mm)-1050 MMDesign and construction: i. No. of Insulators per pole-3 stacks per phase-11 KV, ii. No of breaks per pole-Two,iii. Type of closing/opening Mechanism-Horizontal banging type, iv. Contacts-a. Material and grade-HDE copper flat-4 MM thick, b. Cross Sectional Area(MM)-768 sq mm, c, Stainless steel spring,v. Moving bladesa.Material and grade-HDE Copper tube, b. Cross Sectional Area(MM)-511 Sq MM, 2 MM Thickvi.Bearings-a.Material ans size of housing-MSHDGb.No of bearing location and size-2 nos(Thrust bearing and Bush bearingvii.Tandem Pipe-a.Size class and No of pipes-25 MM ID class B-1 no, 3.5 Mtr long eachVii. Down pipe size, class and length-38 MM NB GI Class B 2855 MM long |
| 14 | Installation and commissioning of GOAB Switch on overhead structure. |
| 15 | Dismantlingofpole/street lightstandard/strutembedded incement concretefoundation etc. as required. |
| 16 | Dismantling of over headlines comprising of copper / aluminium overhead conductor, Cl. wire, cross arms, insulators etc. as required. |
| 17 | Erection of metallic pole of following length in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) foundation including excavation and refilling etc. as required.(8 To 10 Mtr Height) |
| 18 | Total impact of GST plus Labour Cess [@ 1 % (BOCW Cess to be deducted from the RA bill as per the value of the work progress)] for the purpose of CTC Please Enable Macros to View BoQ information |
