Bharat Sanchar Nigam Limited Tender
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Costs
EMD
₹ 30,140Document Cost
₹ 590Tender Fee
Refer Documents
Summary
Construction Of 40 Mtr Gbt At Payyannur College, Kannur Dt
Description
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Contact
Tender Id
2024_BSNL_214884_1Tender No
14/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 40mtr Ground Based Communication tower including foundation, erection of tower, earthing, RCC platforms for DG and BTS at Payyannur College (RP-14026), Kannur District.
Construction of 40mtr Ground Based Communication tower including foundation, erection of tower, earthing, RCC platforms for DG and BTS at Payyannur College RP-14026, Kannur District
Construction of 40mtr Ground Based Communication tower including foundation, erection of tower, earthing, RCC platforms for DG and BTS at Payyannur College (RP-14026), Kannur District
BOQ Items
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 upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m
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All kinds of soil
15
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Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials
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All kinds of soil
9
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Ordinary or hard rock.
72
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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 upto 1.5 m.
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All kinds of soil.
114
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Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level
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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)
6
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1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)
4
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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 :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)
21
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Centering and shuttering including strutting, propping etc. and removal of form for all heights :
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Foundations, footings, bases of columns, etc. for mass concrete
17
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Lintels, beams, plinth beams, girders, bressumers and cantilevers
6
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Columns, Pillars, Piers, Abutments, Posts and Struts
32
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Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.
-
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Thermo-Mechanically Treated bars of grade Fe-500D or more.
2200
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Supplying and Fixing Mild Steel Anchor Bolts of Required Diameter and Length ( Diameter Varying from 16mm to 32mm ) for Tower Foundation including Making Steel Templates with Necessary Holes to suit the Diameter of the Anchor Bolts including Mechanical threading to the top 15 centimeter length of Bolts , welding with necessary MS Plates at the bottom of independent anchor bolts ,etc. complete .The Anchor Bolts and Template shall be fixed to line and Level keeping the Centre to Centre Distance in tact ,inside the Centring and shuttering of the Tower Beams Before doing concreting of Tower Foundation .( The Rate includes the cost of all Labour involved in the above process of operation inclusive Materials ,Transportation and Fixing Charges and Nothing Extra shall be Paid )
420
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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.
250
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Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge.
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Made of G.I. wire of dia 4 mm
81
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12 mm cement plaster of mix :
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1:4 (1 cement: 4 fine sand)
19
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Transportation of the tower materials by mechanical transport from Payyannur Exchange compound to Payyannur College site including sorting, loading, unloading and stacking including all incidental charges. (The Distance for transportation is approximately 5 km)
9
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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
870
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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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40 m Tower
9.87
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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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40 m Tower
9.87
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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 ring earth including necessary provision for connecting earthing for aviation lamp including excavation of trench of size 500 x 1000 mm depth and laying GI flats of size 50 x 3 mm and jointing flats with plate earth vide item No.16 above and jointing at corners with 2.Nos. of 10 mm dia GI bolts and nuts with necessary spring washers and refilling the trenches with the excavated soil free from stones and disposal of surplus soil within 5 km lead as per the direction of the Engineer-in-charge.
20
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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)
36
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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)
50
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