Bharat Sanchar Nigam Limited-BSNL has published Tender For Tower Erection Village Boridra, Rajpipla, Bharuch. Submission Date for this Tender is 19-02-2024. Radio Antennas Tenders in rajpipla Gujarat. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Transportation oftower materials including Ladder, working platform, Cable tray and Antenna fixtures, templates and foundation / Anchor Bolts , nuts of any dia and length and connecting plates etc all from departmental store / TE or some other City / place to the site of work under consideration including all types of safety precautions during transportation. The item includes sorting (if required), loading, unloading and stacvking of the materials all complete and as per the direction of Engineer in Charge |
| 2 | (a) 40 m tower weighing approximately 10.25 MT & distance upto 20 KmsTransporting up to a distance of 20 Kms. |
| 3 | (b) Beyond 20 kms in concern to above item. |
| 4 | Erection of 40 m Ground Based self supporting tower using New tower material (directly supplied from the factory or recovered materials from the existing dismantling of tower 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 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, making holes in tower members if required 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. (b) Providing and 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 and manufacture in equal alternate layers to give an even shade as per aviation requirements over base coat ofzinc chromate yellow primer all complete as per direction of Engineer-in-charge. (Agency shall arrange for all the materials, labour, T & P etc. as required for the operation. 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 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 includes the supply of tower material / dismantling of old tower and its transportation. These shall be paid under separate items, if and as required. (a) 40 m high tower weighing approx. 10.25 MT |
| 5 | Supplying (at site) of deficient steel materials for tower on account of any shortage / unserviceable material found on dismantling of tower or otherwise. The material required for tower, its ladder, working platform, wave guide rack (vertical), antenna fixtures, pipe stand for lightening arrestor, nuts & bolts, washers, templates, base plates etc. as required shall be provided in required sectional size and length including drilling holes for bolts etc. all conformity with the approved drawings of S.E.R.C.and as per the directions of Engineer-in-charge and shall be made out of pure virgin structural steel of approved companies viz. SAIL, TISCO, RINL etc. Notes : (1) All tower material to be hot dip galvanised. The tower material, fabrication & galvanising shall be as per the relevant IS code as well as SERC recommendations.(2) This item does not include erection, priming and painting of the tower which shall be measured and paid under the separate item.(3) Measurement : Weight of all the material supplied (weight of each piece in exact length as required as per drawing) including weight of nuts / bolts & washers shall be measured for payment.(4) The rate includes cost of all material, their carriage, octroi etc. as well as labour and T & P necessary for straightening, cutting, filing, drilling etc. and hot dipped galvanising to all steel members. |
| 6 | Supplying at site HT galvanised steel Nuts Bolts and washers for tower in required size and design conforming to the structural drawing of the tower. Note : The rates includes necessary threading etc. and payment shall be made for the actual weight of the material supplied at site. |
| 7 | Providing & fixing single spike solid copper lightening arrestor of 650 mm length 12mm dia having necessary threads and brass nuts at bottom end of the rod etc Copper litghening arrestor is to be fixed approx 1 to 2 m above the top of tower over a lightening arrestor pipe stand all complete as per direction of Engineer in Charge |
| 8 | Providing and fixing 50x3 mm GI 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 the direction of Engineer in Charge. |
| 9 | Providing, laying and testing of ring earth system by running GI flat of size 50 x 6 mm (having 6 mm dia. holes at 1 m c/c along the length) all round at 1 m away from tower base in ground at a depth of 1 to 1.5 m from ground level in 300 mm wide trench. All tower legs shall be connected to ring earth by 50x6 mm GI flat. The jointing of the two GI strips as well as joint in between G.I. strip and gusset plate of tower leg shall be done with an overlap of 90 mm, sandwiching in between a lead sheet of size 90 x 50 x 1 mm and bolted with 2 Nos. of 10 mm dia. GI nuts / bolts & spring washers. The jointing between the GI strips shall further the protected / sealed by wrapping properly with ISI marked 2" wide water proof tape. Trenchshall finally be refilled with good earth after providing & filling with sand, saw dust, charcol & salt at different layers upto specified depth including measurement of earth resistance by earth megger etc complete as per the direction of Engineer in charge. The value of the earth resistance should be less than 2 ohm and nothing extra shall be paid for getting earth resistance below 2 ohm. Notes : 1. While laying the GI strips, they should not be bent sharply at right angles but should be laid in smooth curves of about 1 m radius. (2) The rate includes for all the materials and labour required for all the above including lead sheet, water proof tape etc. The rate also include the cost of excavation 7 refilling of earth to be done for earthing.(3) Measurement : Only the net length of G.I. strip shall be measured for payment. Nothing extra shall be paid for overlapping length etc. |
| 10 | Supplying, installing, testing & comissioning of LED (Light emitting diodes) lamp of Vijay or BINAY or Avids or Litten or equivalent on circular drum covered with glass and supporting arrangement etc with in built day night sensor and transformer etc complete. The Aviation Light shall be of low intensity type of approved make which canwork at AC supply of 200 to 300 Volts. The item includes providing and fixing ISI marked 1.5 Sqmm PVC double insulated and PVC sheathed copper conductor armoured cable of approved brandand manufactures, fixed with MS clamps at suitable interval etc and fixing main switch board with MCBetc at power supply point in exchange building or any other pont as per the directions of Engineer in charge.(a) One Lamp to be provided at the top of tower (upto 40m Height) as per Aviation requirements Note : The rate includes for all the materials, labour and T & P etc. required for all the works as mentioned above. |
| 11 | Tack welding at site all nuts with bolts including foundation bolts up to a height of 2.50 m from base plates using electric welding plant including cost of transportation of the welding plant all complete as directed by Engineer-in-charge. |
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