Bharat Sanchar Nigam Limited Tender
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Costs
EMD
₹ 15,366Document Cost
₹ 590Tender Fee
Refer Documents
Summary
Construction Of 24 Mtr Roof Top Tower At Nangarath Peedika, Thalassery.
Description
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Contact
Tender Id
2024_BSNL_214885_1Tender No
15/NIT/EE-KNR /2024-25Tender Authority
Bharat Sanchar Nigam Limited ViewPurchaser Address
-Website
http://https://www.bsnl.co.in/
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Documents
Construction of 24 mtr Roof Top Tower including erection, painting, earthing and RCC platform for OD BTS at Nangarath Peedika, Thalassery.
Construction of 24 mtr Roof Top Tower including erection, painting, earthing and RCC platform for OD BTS at Nangarath Peedika, Thalassery.
Construction of 24 mtr Roof Top Tower including erection, painting, earthing and RCC platform for OD BTS at Nangarath Peedika, Thalassery
BOQ Items
Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 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
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Centering and shuttering including strutting, propping etc. and removal of form work for :
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Suspended floors, roofs, landings, balconies and access platform
21
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Beams, plinth beams, girders, bressumers and cantilevers
42
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Columns, pillars, piers, abutments, posts, struts etc.e
10
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Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level
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Thermo-Mechanically Treated bars
1060
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Smooth finishing of the exposed surface of R.C.C. work with 6 mm thick cement mortar 1:3 (1 Cement : 3 fine sand).
32
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Transportation of the tower materials by mechanical transport from Kanhangad site to Nangarath Peedika, Thalassery including sorting, loading, unloading and stacking including all incidental charges. (The Distance for transportation is approximately 90 km)
4.5
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Supply of missing tower materials conforming to ISRC Specifications using MS hot dipped galvanized angle sections conforming to specification attached to the respective towers including ladder, working platform, antenna fixtures, GI Nut and bolts etc. . MS angles of Yst 22/210 grade and conforming to IS 1161 etc. complete
600
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Erection of Three / four legged light weight GI Roof Top Communication tower including assembling the Structural Members of the Tower ,tightly connecting with GI nuts, bolts ,plate washers ,ring washers etc. including making use of necessary hoisting / climbing arrangements , safety belts and all necessary precautionary measures to safeguard the building , working labours and general public etc. to form the Finished Tower to Conform the Standard Drawings /Design/Alignment etc. complete
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24 mtr Tower
5.1
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Providing and applying Synthetic Enamel paint of approved Brand and Manufacture over the Three / four legged light weight communication tower ( NB ) . One coat of Etch Primer (MRF, Asian paint or equivalent) should be applied first followed by one coat of zinc chromate primer .Over that two or more coats of enamel paint Orange/ White ( Standard Colors Specified for Communication Towers ) of approved brand and manufacture should be applied.) All works to be completed as per the Standard Specifications and according to the directions of the Engineer in charge.
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24 mtr Tower
5.1
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Providing GI plate earth including excavation of pit of size 2000x2000x3000mm depth in all kinds of soils and placing four numbers of G I plates of size 600x600x6 mm thick vertically at diagonally opposite ends in the excavated pit and inter connecting the plates with 4 Nos. of 50x3mm G I strips with 2 No.s of G I bolts and nuts of 10mm dia at each connection and covering the joints with bitumen, placing G I pipe of 50mm internal dia ( B Class) and 3000mm length at the center of the plate grid for watering and filling the pit with fine ash and / or finally sieved good quality soil including ramming in 20 cm layers etc. complete and cover the pit with 750x750x50mm thick precast reinforced cement concrete slab having 100mm dia hole at the centre to pass the GI pipe and construct a chamber having:
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Internal size not less than 280x280x250mm with half brick wall including fixing CI manhole cover of size 300x300mm of weight not less than 7.20 Kg. (cover & frame) and plastering the chamber on all sides with cement mortar 1:4 of 12mm thick (1 cement : 4 fine sand) and including disposal of surplus excavated earth if any within a distance of 5 Km lead as directed by the Engineer-in-Charge.
2
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Providing G I strips of size 50x3 mm one end connected to the tower leg with G I bolts and nuts [with lead sheath in between] including providing and connecting the legs at the bottom of tower and the other end shall be connected to the G I plate earth/ring earth with G I bolts and nuts [with lead sheath in between] including clamping the down lead flat to walls/stems without any sharp bends using necessary clamps and screws as directed by the Engineer-in-Charge. (All joints should be covered by Shalimar or equivalent water proof tape and made air tight)
68
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Providing and fixing copper lightning conductor of 1500mm length, 25mm dia hollow tube of wall thickness not less than 1.6mm…including tinning the bottom portion of the spike for a length not less than 150 mm (lightning conductor to be fixed at the top of the tower) and connecting the GI bus bar to the lightning arrester using 2 Nos. 10 mm dia brass bolts and nuts all complete as directed by the Engineer-in-charge. (All joints should be covered by Shalimar or equivalent water proof tape and made air tight)
1
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Providing GI bus bar of 50 x 3 mm connected to the tinned bottom portion of lightning conductor and to the ring earth/plate earth with 2 No.s of 10 mm dia GI nuts & bolts [with lead sheath in between] at each connection. The bus bar shall be drawn through heat shrink sleeve and shall be shrunk properly. The bus bar shall be clamped to the tower/ building walls at uniform interval of 1.5 Mt.. using proper GI clamps and ceramic insulators such that the bus bar shall be well insulated from the tower building walls all complete as directed by the Engineer-in-charge. (All joints should be covered by Shalimar or equivalent water proof tape and made air tight)
57
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