Repair, maintenance and painting of 40Mtrs High Ground Based Tower at Morni in Ambala BA

Amount

Checking, Maintenance and Repair of all Components of tower as per approved drawing in all respect and as per the directions of Engineer- in-charge as follows:

Checking the connection of tower members and tightening of loose nuts and bolts using torque wrench. Any spare hole shall be filled with bolts and nuts of appropriate size. (Supply of the new nut bolts, washers shall be paid under the relevant item seperately while the other consumables are to be arranged by the contractor at his own cost).

Replacing the distorted, bent, corroded members and worn out bolts and nuts. (Supply of the new GI members, nut bolts, washers shall be paid under the relevant item separately while the other consumables are to be arranged by the contractor at his cost).

Maintenance of ladder and its safety rings, climbing facilities, platforms and its handrail catwalks and antenna fixing mounts including tightening of nuts and bolts to make it secure and safe.

Checking the base plate against corrosion and tightening of the base plate fixtures with tower main leg including nuts and check nuts.

Maintenance of proper drainage in and around the foundation including removal of unwanted vegetation growths all complete as per the direction of Engineer- in-Charge

Check the verticality of tower using theodolite as per provision prescribed in IS 12843 1989. The tower alignment to be checked with theodolite on two perpendicular surface. This does not include re-erection if required to achieve verticality). (The required theodolite will be arranged by the contractor at site of work )

Checking the gantry and its ground supports (This does not include cost of concreting if necessary to improve the support)

Providing and applying rust removing solution and Zinc Spray on tower rusted area wherever necessary as per manufacture recommendation. This will include other operations including cutting of unusable nuts/ bolts where necessary.

NOTE-I: Rate includes cost of all operations mentioned above at S. No. ((i) to(vii) including hire charges of tools, plants and machineries, Binaculars for inspection, insurance premium of labours etc. and nothing extra shall be paid on this account.

Supplying at the site of work the Hot Dip Galvanised members such as angles, channels,plates , hexagonal nuts and bolts, washers etc. for the missing members (if any) of Tower, Working Platform, Safety Cage, Ladder, Wave Guide Rack, Antenna Fixture etc. of required section, shape and size including Drilling Holes for fixing bolts etc. all in conformity with the approved drawings of BSNL and as per the directions of Engineer-in-charge and shall be made out of primary source of structural steel of approved make: viz. SAIL, TISCO, RINL etc.

NOTES:

All material shall be Hot Dip Galvanised. The fabrication & galvanising shall be as per the relevant IS code.

Weight of each member supplied shall be taken for payment purpose.

The Rate includes the cost of all material and labour required for all the operations mentioned in the item including all carriage, taxes and other contingencies.

Applying priming coat with one coat of ready mixed Red oxide Zinc Chromate primer or equivalent of approved brand and manufacture for 40m tower

Applying priming coat with one coat of Etch primer (BISON wash primer or equivalent) approved brand and manufacture for 40m tower

Painting with High gloss synthetic enamel paint of approved brand and manufacture to give an even shade for 40m tower. a) Two or more coats on Old work.

Shubham Saini Building Construction Work (BID ID -887994)