Carrying out maintenance works for 40 M high Ground based Tower and P F missing members and nutsbolts for 13 nos. sites of Radhanpur taluka under Palanpur OA.

Carrying out detailed and precise checking of all nuts and bolts,spring and plain washers provided at all the joints/junctions of Base-assembly,vertical leg members,face bracing members,various members of working platforms at different levels,antenna fixture assembly,lightning arrester, aviation light,earth resistance, ladder with safety cage,wave guide rack and all other fixtures etc., proper tightening of all the nuts with torque- wrenches of required size etc.complete including providing new hot galvanised nuts,bolts,spring washers and plain washers etc. of various sizes for fixing where found missing/required.The item also includes providing and applying rust-removing solution or cutting the nuts/bolts etc.The item also includes dismantling/ dismembering of any deformed/bent/deshaped members which are required to be replaced or repaired. (The payment for supplying hot dipped galvanised nuts, spring washers and plain washers, necessary parts of lightening arrestor and aviation light, earth resistance required to make the part functional shall be made separately under relevant item.) NOTES:-The item 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 executing the work. b) Necessary safety precautions to protect the human lives, insurance coverage to the labours etc. shall be the sole responsibility of the agency. c) Item includes for all operations, tools & plants, equipments, machinery etc. required for the work as well as safety measures as per the relevant IS codes.

40mt high four legged ground based tower.

Providing hot dipped galvanised nuts,bolts,spring washers and plain washers of required size and length for fixing the same at the joints/junctions of tower wherever found required during maintenance of tower.(The materials for nuts,bolts shall be of grade 4.6 and as per 6639-1972,IS :1364(Part I to V)-2002,IS:1367(Part VIII)-1992,plain washers as per IS:6610-1972 and spring washers of Type-B as per IS:3063-1994,IS:1148-1982,IS:2015-1977).

Supplying at site the tower members for new tower or deficient tower members for tower on account of any shortage/ unserviceable material found on dismantling of tower or otherwise. The material required for tower (excluding nuts, bolts & washers) and its ladder, working platform, wave guide rack (vertical), antenna fixtures, pipe stand for lightening arrestor, templates, base plates etc. as required shall be provided in required sectional size and length including drilling holes for bolts etc. all exactly as per and in conformity with the approved drawings of S.E.R.C. and as per the directions of Engineer-in-charge. NOTES:- 1. All tower material to be hot dip galvanised. The tower material, fabrication & galvanizing shall be as per the relevant IS code as well as SERC recommendations. 2. This item DOES NOT INCLUDE for supply of nuts, bolts & washers as well as erection, priming & painting of the tower which shall be measured and paid under the separate item. 3. Measurement: Weight of the all the material supplied (weight of each piece in exact length as required as per drawing). 4. The rate includes all material, their carriage, etc. as well as labour and T & P necessary for straightening, cutting, filing, drilling etc., and hot dipped galvanising to all steel members.

Credit for the old recovered rusted/deformed/unserviceable nuts/bolts & other tower members etc including carting from the site. The recovered materials shall be given to the agency on actual weight basis on as-is-where-is basis and amount shall be credited to this work.

Refixing of available tower members of any size in existings tower and / or Structural steel work (available tower members) riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position etc all complete as per direction of Engineer- in- charge.