Bharat Sanchar Nigam Limited-BSNL has published Tender For Re-Erection Of 40M (Gopalpur Type) Ground Based Tower With Available Tower Material Including Recasting Of Rcc Stem With New Anchor Bolts And Transportation Of Materials From Stores At Arunthavapulam, Thanjavur Ba. Submission Date for this Tender is 27-12-2022. Bolts Tenders in thanjavur Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. |
| 2 | All kinds of soil. |
| 3 | Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m. . |
| 4 | Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared. |
| 5 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : |
| 6 | 1:2:4 (1 cement : 2 coarse sand(zone-III), derived from Natural sources : 4 graded stone aggregate 20 mm nominal size), derived from Natural sources |
| 7 | Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : |
| 8 | 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III), derived from Natural sources : 3 graded stone aggregate 20 mm nominal size,derived from Natural sources |
| 9 | Centering and shuttering including strutting, propping etc. and removal of form for : |
| 10 | Lintels, beams, plinth beams, girders, bressumers and cantilevers |
| 11 | Columns, Pillars, Piers, Abutments, Posts and Struts |
| 12 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. |
| 13 | Thermo-Mechanically Treated bars of grade Fe-500D or more. |
| 14 | Smooth finishing of the exposed surface of R.C.C. work with 6 mm thick cement mortar 1:3 (1 Cement : 3 fine sand). |
| 15 | Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.( Item will be operated for Horizontal Gantry etc., ) |
| 16 | 15 mm cement plaster on rough side of single or half brick wall of mix : |
| 17 | 1:6 (1 cement: 6 coarse sand) |
| 18 | Finishing walls with Acrylic Smooth exterior paint of required shade : |
| 19 | New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm). |
| 20 | Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : |
| 21 | Two or more coats on new work. |
| 22 | Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge. |
| 23 | Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work (Payment shall be made on the cross sectional area of R.C.C. or R.B. work) as per direction of Engineer in-charge. |
| 24 | Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved. |
| 25 | Supplying and fixing 32 mm dia galvanised anchor bolts EN8 with with the top 150mm dia ungalvanised portionalong with75 x 75 x 6 mm GI square washers threadedat the top and bottom in proper position and alignment and securing with G.I wire etc. in Tower Stem concrete using template, all complete as directed by the Engineer-in-charge. |
| 26 | Erection of four legged ground based angular light weight communication tower of 40 m height ( Approximate weight of 8500.00 Kgs )using availableM.S hot dipped galvanised sections , including sorting, lifting, assembling, fitting and fixing up all tower members in position true to alignment , includinghoisting and bolting with necessary bolts, nuts and washers , fixing of ladder, working platform, cable guide rack, pipes and for lightningarrestor at required level all complete as per the directions of the Engineer in charge , including providiingnecessary safety precautionstoprotect human lives andstructures nearbyduring the course of erection , insurance coverage tolabourersand including all tools, plants , equipments , machinery required for works as per relevant I.S codes and specification, including offering A/T all charges as directed by Engineer-in-charge |
| 27 | Paintingof 40M Tower ( Approximate weight of Tower is 8500.00 Kgs ) with LUXOL High gloss synthetic enamel paint or equivalent in two or more coats over and including a base coats of etching primer (BISON wash primer or equivalent) and BISON HB Zinc Phosphate primer or equivalent to required shade with the colours of White and International Orange bands alternatively as directed by the Engineer-in-charge. (The Rate is inclusive of cleaning the surface of the structural members free of all rust, scales, grease and dirt, safety arrangements, lifting of painting materials to the required height upto 40 m from the base of the tower and Insurance coverage to labour and Materials ) |
| 28 | Supplying high tensile strength fastenersof grade 8 consisting ofgalvanised iron nuts, washers and spring washers of varying sizes at appropriate locations as directed by the Engineer in charge. |
| 29 | Transportation of 40 m towermaterials(Gopalpur Type of Approximately 8500.00 Kgs ) from BSNL store yard at K.Pudur , Maduraito the tower site atArundhavapulam( 210 km approximately), including loading, unloading and stacking at site and other incidental charges etc. complete. |
| 30 | Extra for Re- Fabrication of G.I tower materials consisiting ofGusset plates,channels ,cleats, corner angles, flats etc, works likefor re-punching , enlargement of holes matching the members , to enable, proper fitting and assembling of tower membersat the designatedlocations ,by means of, Gaswelding plantoff-site, including transportation costfrom the site to the workshop and back , all complete as per the directions of the Engineer in charge. |
| 31 | Providing ring earth by running G.I flat of size 50 x3 mm alround the tower at a minimum of 1.00 metre away from thetower base in ground for a width of 30 cmand a depth of 0.90 metres from the ground level including required excavation Each tower legs are to be connected to the ring earth by means of G.I flat of size 50 x 3 mm below the groundlevel. All connections are to be made with 10 mm dia G.I bolts and nuts, with a lead strip of 1.00 mm thickness in between for proper surface contact. Both ends of the G.I flat shall be brought to ground level and terminatedall complete as directed by the Engineer in charge including Offering A/T all charges as directed by Engineer -in-charge. |
| 32 | Providing and fixing G.I strips of 50 x3 mm sizes of approved quality , one end connected to the bottom of lightning arrestor and the other end connected to the ring earth / plate earth with 2 Nos of 10mm dia G.I bolts and nuts at every connection . The G.I strip shall be clamped to the tower at uniform intervals at 1.50musing necessary Porcelain insulator clamps with bolts and nuts , to avoid direct contact with toweras directed by the Engineer in charge. |
| 33 | Providing and fixing spike type lightning arrestormade of 16 dia solidCopper Rod ofrequired length with necessary fixtures at the top of the tower. The spike shall be insulated by Teflon material and connected to G.I Plate / Ring Earth by insulated 70 sqmm multistrand Copper Wire / G.I strip with proper lugging arrangement as directed by the Engineer in charge. ( The cost ofGI strip shall be paid separately.) |
| 34 | Supplying and fixing LED aviation obstruction lamp of insta power/ GELTRONIX/ MICROTECH or equivalentof approved make as per ICAO norms with light dependent resistance sensor(Day light automatic timer) with necessary power cable , switch including fixtures all complete as directed by the Engineer in charge. |
| 35 | Single dome low intensity flashing Red obstacle lighting syatem -Type Bmounted at 40 metres height. |
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