SPECIAL REPAIRS TO RENEWAL AND REPLACEMENT OF LT CABLE OVER HEAD LINE LT PANEL AND ALLIED SERVICES AT AIR FORCE STATION KALAIKUNDA UNDER GE (AF) KALAIKUNDA

Amount

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in any kind of soil ,complete all as specified and directed Note : Manual excavation to be done. During excavation if any damage occured to existing cable any type/ water pipe line, it will be contractor responsibilty to get it repair and make functional by providing jointing kit etc without any extra cost. Contractor has to repair it within 24 hrs so that essential service can not be effected due to such damage.If contractor fails to repair it within 24 hrs penalty @ Rs 500/-per hour will be charged to contractor. In this GE decision will be final.

Returning filling in soft/loose soil, including, spreading levelling watering and well ramming in layers not exc. 25 cm complete all as specified and directed.

Removing surplus excavated material from site not exceeding 50 mtrs from starting point and depositing where directed at level not exceeding 1.5 mtr above the starting point all as specified and directed.

M&L providing sand cushioning with a layer of clean, dry, fine sand for protection of electric cable laid in trenches/ducts, punned down to desired thickness complete all as specified and directed. (Note: For payment purposes only punned down thickness of sand shall be measured )

M & L for laying old size sub class ‘B’ brick for PVC/ XLPE under ground cable protection in trench, layed in the manner that width of brick to be peperndicular to the axis of cable , over LT under ground cable

Laying only bricks for PVC/ XLPE under ground cable protection in trench, layed in the manner that width of brick to be peperndicular to the axis of cable , over LT under ground cable (retreived from taking out of old unsv cable) all as specified and directed.

Disconnecting and Taking out unserviceable, U/G cables, 1100 Volts grade from trenches/ducts/ poles etc of any size complete all as directed including taking out cable protection cover,pipe etc.

Supply, laying, jointing, testing and commissioning cross-linked polyethylene (XLPE) insulated cable for working voltages of 1100 V, PVC sheathed, armoured, 3½ core with reduced neutral conductors (3½ core), nominal cross sectional area of main conductor 185 sqmm, stranded aluminium conductor, ISI marked as per IS 7098(Part-I): 1988 including cable glands, lugs etc. to suit the cable size and to be laid in trenches, fixed along pole, under floors, through GI pipe laid under floors/roads, through concealed GI pipe along wall etc. complete all as specified and as directed.

All as per Item No 8.00 here-in-before but size of cable 120 sqmm 3½ core, complete all as specified and as directed.

All as per Item No 8.00 here-in-before but size of cable 95 sqmm 3½ core, complete all as specified and as directed.

All as per Item No 8.00 here-in-before but size of cable 70 sqmm 3½ core, complete all as specified and as directed.

All as per Item No 8.00 here-in-before but size of cable 50 sqmm 3½ core, complete all as specified and as directed.

All as per Item No 8.00 here-in-before but size of cable 35 sqmm 3½ core, complete all as specified and as directed.

All as per Item No 8.00 here-in-before but size of cable 25 sqmm 4 core, complete all as specified and as directed.

All as per Item No 8.00 here-in-before but size of cable 10 sqmm 2 core, complete all as specified and as directed.

Material and labour for 40 mm dia galvanized iron tube light grade for cable protection, supporting to poles, plinth protections, road crossing, trenches, footpath etc, including all fitting clamps, nut, bolt and washers complete all as specified and directed.

Horizontal boring of holes by mechanical means, at under road/ pavement / hard standing etc.,not exceeding 15 Metres in length, in any type of soil, suitable for passing through 80 to 100 mm bore, galvanised steel tubing,and making good distrubed surfaces as per existing specification complete all as specified and directed. Note : GI pipe of dia 80 mm & 100mm will be measured & paid separately under respective items.

Material and labour for 80 mm dia galvanized iron tube Medium grade for cable protection, supporting to poles, plinth protections, road crossing, trenches, footpath etc, including including all fitting clamps, nut, bolt and washers complete all as specified and directed.

Material and labour for 100 mm dia galvanized iron tube Medium grade for cable protection, supporting to poles, plinth protections, road crossing, trenches, footpath etc, including including all fitting clamps, nut, bolt and washers complete all as specified and directed.

Dismantling of existing unserviceable ACSR conductor of any size from pole and removing from site complete all as directed.

Dismantling of broken, cracked, unserviceable LT pin/shackle insulator of any make and any size complete all as directed.

Dismantling of old rusted Cross Arms bracing support, clamps and back plate of any sections from poles setting aside complete all as directed at site.

Dismantling of unserviceable cradle guard/earth continuity conductor/cradle guard supporting wire of any size and setting aside all as directed at site.

Material & labour for plain cement concrete (1:2:4) B1 type using 20 mm graded coarse stone aggregate for rectification of road cutting portion/ concrete surface complete all as specified and directed.

Supply,installation,testing and commissioning 3 phase and neutral , 415 volts outdoor type, CPRI approved, factory made free standing , floor mounting ,dust and vermin proof, cubical type LT panel fabricated from 3.0 mm thick CRCA sheet with angle iron frame of 50 x 50 x 6 mm , double door , front and back openable type, double door system, hinged opening , rubber lining,locking arrangement,with anticorrosive coating and finally epoxy polyester power coating with pure polyster Siemens grey structural RAL-7032 shade , protection class IP-66 fully compartmentalize design with 4 nos of bus bar made of copper of ETP grade suitable for 400 Amps (Size of copper strip should not be less than 40 x 6 mm for each phase and neutral) pre-wired with suitable size of copper strip/ copper wire with colour code for connecting out going MCCB/ MCB`s, including suitable aluminium earth strips conforming to IS with danger notice plate , necessary cable glands , cable connection with proper lugs ,PCC foundation and pedestal for fixing LT Panel with PCC 1:5:10 , 15 cm thick in foundation , brick (Fly ash) / PCC block work in CM 1:6 , rendering 1:6 on exposed surface and 100 mm thick PCC 1:3:6 type C1 using 20 mm graded stone aggregate as in padding on top and grouting bolts etc for panel all as specified with and including supply and fixing the following accessories as specified in BOQ Srl No 25.01 here-in-after. (The platform shall be of 450mm height above ground level)

Note for BOQ Srl Item No 25.00 to 30.00:- (i) All MCCB/MCB should be of Make : L&T/ Legrand /Schnider/Seimens. (ii) Drawing of LT panel and make of items shall be get approved from GE before ordering the panel. (iii) Cost of lugs for cable and cable gland etc also included in unit rate of panel. (iv) Rotary handle to be provided for all MCCB for control and operation of MCCB. (vi) The rating of copper bus bar to out going MCCB / MCB`s shall not be less than 1.5 times the rated current of individual out going feeders/ MCCB. (vii) Independent Amper meter with CTs to be provided for each out going feeder. (viii) Spreader terminals and Phase barriers to be provided with all MCCB`s (ix) Rate of panel include refixing of all cables in panel which are dismantle & taking out from old unserviceable panel.

M&L for earthing complete with galvanised steel earth plate electrode size 600 x 600 x 6 mm thick, burried directly in ground, (Earth pit not less than 3.25 m deep below ground level) with top edge of the plate not less than 2.5 m below ground level connected to galvanised iron strip 32 x 6 mm as earthin lead wire by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No 3 connected to earthing test point all as specified or indicated including testing on completion, surrounded from all sides by mixture of charcoal and common salt and electrode by means of steel and GI pipe light grade 20mm dia bore for watering funnel with wire mesh. CI cover with frame, PCC chamber pit with PCC 1:3:6 type C-2 excavation and earth work all as shown in electrical plate No 3 connected to earthing test point all as specified NOTES 1. The unit rate includes for protection pipe and GI strip dia from top of earth plate upto 7.5 meter above ground level. NOTE:- 1. The unit rate includes for protection GI pipe of 40 mm and watering pipe of 20 mm bore including excavation for earth pit in any type of soil/ disintegrate rock. 2. Contractor has to bring agriculture soil from outside of defence land and fill in earth pit to achieve desired result as the soil resistiviy is very high. 3.The cost of GI strip of size 32 X 6 mm from top of earth plate upto 7.5 meter above ground level is deemed to be included in the unit rate of above item.and copper strip beyond 7.5 RM will be measured seperately. 4. All the joints in GI strip and connection with Earth Plate to be welded through brazing and in addition by providing double brass nut bolt and washer. 5. Cost of welding and nut bolts are deemed to be included in the unit rate.

Supply and fixing earth continuity conductor or main earthing lead fixed on porcelain 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 GI strip soldering to each joints with brass nut bolts all as specified and directed by engr in charge.

Supply & fixing in repair wall mounted Busbar chamber TPN (4 bar) 100 Amp rated, 415 volt, 4 way complete all as specified and as directed.

Neha Enterprise

Bharat Sales Corporation