Civil work

Amount

Supply of deficient structural steel Galvanized iron tower material , nuts and bolts at site etc. including making holes wherever required as per site requirement and as per the direction of Engineer-In-Charge.

Labour charges for Erection of ground based self supporting tower (of any height) using new / old / recovered / dismantled tower material as available at site. The work shall include the following.

Erection of tower including sorting, assembling, lifting, fitting and fixing up all tower members in position true to the alignment including assembling / hoisting / fixing of ladder, working paltform, wave guide rack, lightening arrestor, lightening arrestor pipe stand etc. at required level all complete as per manufacturer's drawing and as per direction of Engineer-in-charge. The item includes enlarging holes, straightening of twisted or bend tower members of any type etc. and all other connected works for the above operation (if any and as required) all complete as per the direction of Engineer-in-charge. (This operation is only for labour charges for erection of tower and approximate weight of tower is approximate 9 to 10 Tonne.)NOTES : (1) The items includes for the following and nothing extra shall be paid on this account. (a) The agency shall take every precautions against the damages to the structure or nearby structures while erecting the tower. (b) Necessary safety precaution to protect the human lives, insurance coverage to the sole responsibility of the agency. (c) Item includes for all operations, tools and plants, equipments, machinary etc. required for the work as well as safety measures as per the relevant IS codes..(2) The items does not include for the dome lights and its system and earthing system for tower. These shall be paid under separate items, if and as required.(3) The items does not include the supply of tower material / dismantling of old tower and its transportation. These shall be paid under separate items, if and as required.

Providing parts of aviation light as necessary so as to satisfy aviation requirements.

Supplying, installing, testing & comissioning of Single dome Aviation obstruction light (AOL) fixture having base made of aluminium die cast/fibre body and top cover of red polycarbonate dome & 230V AC LED Aviation obstruction lamp with 300 &more Nos. clear LED's having light intensity of minimum 1200 LUX & necessary auto on-off scanner photo cell unit with transformer in built in dome light of make from Vijay, Binoy, Altrox or equivalent etc. with necessary clamps for fixing arrangement etc.all complete as per the direction of Engineer- in-charge.

Providing and fixing MCB of range 6-32 Amp of Havells, Merlin Gerin or equivalent make.

Providing and Fixing PVC double insulated 2 corex1.5 Sqm. Copper conducter/unarmoured power cable (Finolax, Polycab or equivalent) including removing damaged power cable and encasing new power cable in existing PVC conduit pipe.

Providing and Fixing PVC conduit pipe of 20 mm dia of approved brand and manufacture all complete as per direction of Engineer- in-charge. The rate includes for all the meterials, labour and T&P etc required for all the works as mentioned above.

Earthing with galvanised (approximate 85micron) GI plate of 600x600x6mm size as directed including accessories and providing necessary having locking enclosurs with cover plates arrangement and watering pipe 20mm dia G.I pipe etc. including filling charcoal or coke@ 50kg per pit and salt @ 5kg per pit complete as required and as directed by the Engineer-in-charge.

Providing ring earth by running GI flat of size 50x6mm alround at 1.00 metre away from the tower base in ground at a depth of one metre from ground level. All tower legs shall be connected to ring earth by 50x6mm GI flat with necessary accessories etc. Both ends of the GI flat shall be brought to ground level and terminated in an enclosed brick masonry chamber of inside size 300x300x300mm with 35 class designation bricks in cement mortar 1:6(1cement: 6 coarse sand) including necessary excavation, foundation concrete 1:5:10 (1 cement: 5 coarse sand:10 graded stone aggregate 40mm nominal size) plastering with 12mm cement plaster 1:3(1 cement: 3 fine sand) with hinges CI cover and frame of 300x300mm (weight of cover not less than 4.5 kg) with proper locking arrangement complete all as directed by Engineer-in-charge.

Painting with LUXOL High Gloss synthetic enamel paint with two or more coats of required shade and colour to give an even shade as per aviation requirements etc. all complete as per the direction of Engineer-In -Charge. (The agency shall arrange for all the material ,labour, T &P etc. required for the work.

40 M GROUND BASE TOWER

Carriage and transport of dismantled 40M NBLW /USO tower materials, runway, G.I.strips, Fencing materials including chain link fencing roll , angle iron posts, G.I.flats, nuts & bolts ,steel gates etc. all complete materials from Barmer BSNL Store to Manwar site , Jodhpur (approximate distance 198 Kms) Including loading, unloading, stacking etc. all complete as per direction of Engineer-in-charge. NOTE :-.(1) Necessary safety precautions to protect the human lives,insurance-coverage etc.shall be the sole responsibility of the agency.(2) All the safety measures shall be taken by the agency as per the relevant IS codes.(3)The painting shall be done carefully so that all the corners and crevices of the tower receive the paint.(4) No driers such as litharge or turpentine are to be used.The practice of mixing kerosene-oil with paint is strictly for bidden.

Sorting of 40M(GBT) USO tower material at BSNL store barmer etc. all complete as per direction of Engineer-in-charge.