Dismantling and Erection of 40m GBT at BSNL site Ratia, Dist. Porbandar, Junagadh BA.

Amount

Dismantling steel work for 40 m Ground Based Tower and runways etc, in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc including dismembering and stacking within 50 metres lead. ( Notes : The item includes the following & nothing extra shall be paid on this account. (1) The necessary safety precaution to protect the human lives, insurance coverage to the labours etc. shall be sole responsibility of the agency. (2) Item includes for all above operations, tools and plants, equipments, machinary etc. required for the work as well as safety measures as per the relevant IS codes. (3) The agency shall take every precaution against damage to the nearby structures while dismantling the tower etc.Any damage shall be sole responsiblity of the agency. (4) The measurement shall be made on the job basis.)

Transportation of tower material including ladder, working platform, cable tray, shelter materials and antenna fixtures etc. all from the site Kadi Mehasana SSA to Ratia in Porbandar Dist

(a) Transportion up to a distance of 20 kms including loading, unloading, stacking etc.( Tower at Kadi + at Ratia dismantled tower). Note: Quantity shall be derived by "Actual Weight in Tonne".

(b) Extra for additional lead beyond 20 Kms. (over and above item `a' above).

Erection of 40 m Ground Based self supporting tower using NEW tower material (directly supplied from the factory or otherwise). The work shall include the following :

A) 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 platform, wave guide rack, lightening arrestor pipe stand etc. at required level all complete as per the manufacturers drawing and as per the direction of Engineer-in-chrage. The item includes enlarging holes, starightening of twisted or bend tower members of any type etc and all other connected works for the above operation (if and as required) all complete as per the directions of Engineer-in-chrage.(This operation is only for labour charges for erection of tower).B) Painting of tower including all accessories etc. complete with superior quality, weather resistant high glow synthetic enamel paint ( two or more coats) in international orange and white shade and of approved brand & manufacture in equal alternate layers to give an even shade as per aviation requirements over base coat of zinc chromate yellow primer all complete as per the directions of Engineer-in-chrage. (Agency shall arrange all the materials, labour, T& P etc required for the operation.)

Notes:- 1.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 erecting the tower. 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. 2. The item does NOT INCLUDE for the dome lights and its system, lightening arrestor and earthing system for tower. These shall be paid under separate items, if and as required.3. The item does NOT INCLUDE the supply of tower material / dismantling of old tower & its transportation. These shall be paid under separate items, if and as required.

(a) 40 m tower weighing approximately 10.00 MT.

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), antena fixtures, pipe stand for lightening arrestors, 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-chrge. 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, all type of taxes etc. as well as labour and T & P necessary for straightening, cutting, filing, drilling etc., and hot dipped galvanising to all steel members.

Supplying at site HT galvanised steel Nuts, Bolts & washers for tower in required size and design conforming to the structural drawing of the tower. The rate includes necessary threading etc and payment shall be made for the actual weight of the material supplied at site.

Steel work welded in built up sections / framed work using structural steel etc. including cutting, hoisting, fixing in position as required for Feeder Support Cable Runway horizontally from tower to building, vertically on the wall of building and from building to inside equipment room including fixing in position with suitable supporting / fixing arrangements at the tower end, building and floor using connecting plates and rivetting / bolting or embadding in walls / floors etc complete as required and as directed by the Engineer-in-chrage and including providing and appying two or more coat of approved high gloss synthetic enamel paint over and above approved steel primer all complete. NOTES: 1. The item is including supply of materials, fabrication, erection, priming & painting all complete. 2. The rate includes all material, their carriage, all type of taxes etc. as well as labour and T & P necessary for straightening, cutting, welding, filing, drilling etc. all complete for above all the operations. 3. Measurement: Weight of all the material supplied (weight of each piece in exact length as required as per drawing) including weight of the nuts /bolts & washers shall be measured for payment.

Providing and laying ring earthing by running G.I. flat of size 50 x 6 mm allround at 1 m away from the tower base in ground at a depth of 1 to 1.50 metre from ground level in a trench of size 300 mm wide. All tower legs shall be connected to ring earth by 50 x 6 mm GI flats with necessary accessories etc. The GI strip should have curved bending at all conrners. All connections are to be maid with led strip and 2 nos of bolts. Each leg of tower shall be separately connected with ring earth by GI strip 50x6 mm in suitable manner as per direction of Engineer-in-chagre. Trench is to be filled with good earth after providing sand, saw dust, chrcoal and salt at different layers upto specified depth including measurement of earth resistance by earth megger etc. complete as per direction of Engineer-in-charge. The value of earth resistance should be less than 2 ohms and nothing extra shall be paid for getting the earth resistance less than 2 Ohms. NOTES: 1. While laying the GI strips, they should not not be bent sharply at right angles but should be laid in smooth curves of about 1 m radius. 2. The rate includes all the materials and labour required for all the above including lead sheet, water proof tape etc. 3. Measurement: Only the net length of GI strip shall be measured for payment. Nothing extra shall be paid for overlapping length etc.

Providing and fixing 50 x 3 mm G.I. flat of approved quality for making connection of lightening arrestor from the tower top to the ring /pit earth with necessary clamps, fixtures etc. complete as per direction of Engineer-in-Charge.

Supplying, installing, testing & commissioning of LED's (light emitting diodes) lamp of VIJAY, BINAY or Avids or Litten or equivalent approved on circular drum covered with glass and supporting arrangement etc with inbuilt day night sensor complete. The aviation light shall be of low intensity type of approved make which can work at AC supply of 200-300 walts, PVC duble insulated 2 core x 1.5 Sqmm coper armoured power cable of ISI mark of approved brand and manufacturer including providing and fixing switch borad with MCB etc at power supply points in exchange building or any other point as per direction of Engineer-in-chrage. NOTE: 1) The rate includes for all the materials, labour and T & P etc. required for all the works as mentioned above. 2) When 2 lamps are to be provided at the same height, they shall be provided at diagonally opposite legs. Similarly when lamps are to be provided at more than one height, they are to be provided at different legs.

(a) One lamp to be provided at the top of tower (up to 40 m height) as per Aviation requirements.

Providing and fixing display board of size 600 x 450 mm made of 3.0 mm thick aluminium composite panel of approved brand and shape with aluminium sheet on both side laminated to thermoplastic core including lettering indicating the necessary data as supplied by the department in approved colour and shape and letter size made out of Vinyle material. The display board should be fixed at 5.00 m height from stem top and fixed with necessary brackets / clamps / supporting angles etc. The rate shall include all material and labour required for fabrication, painting, lettering/fixing and its arrangement etc all complete as per direction of Engineer in charge..

HUM INFRASTRUCTURE (BID ID -909811)