Bharat Sanchar Nigam Limited Tender
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Bharat Sanchar Nigam Limited - BSNL Tender
Civil And Construction
Excavation
Eprocure
Opening Date13 Jun 2024
Closing Date21 Jun 2024
Tender Amount₹ 18,67,436
Costs
EMD
₹ 37,349Document Cost
₹ 590Tender Fee
Refer Documents
Summary
Erection Of 40m Gbt At Chengara
Description
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Contact
Tender Id
2024_BSNL_198276_1Tender No
17/EE/BSNL/CLT/24-25Tender Authority
Bharat Sanchar Nigam Limited ViewPurchaser Address
-Website
http://https://www.bsnl.co.in/
GEM & Bid Advisory Services
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BOQ Items
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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
60
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Ordinary or hard rock
25
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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.
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All kinds of soil.
10
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Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 metre and lift up to 1.5 metre.
70
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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 M sand : 4 graded stone aggregate 20 mm nominal size derived from natural sources)
4
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1:4:8 (1 cement : 4 M sand : 8 graded stone aggregate 40mm nominal size)
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 :
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1:1.5:3 (1 cement:1.5 M sand:3 graded stone aggregate 20mm nominal size)
40
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Centering and shuttering including strutting, propping etc. and removal of form for:
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Foundation, footings, bases of columns etc. for mass concrete
40
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Lintels, beams, plinth beams, girders, bressumers and cantilevers.
10
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Columns, Pillars, Piers, Abutments, Posts and Struts
31
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Reinforcement for reinforced cement concrete works including straightening, cutting, bending, binding and placing in position all complete.
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Thermo Mechanically Treated Bars
3200
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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 M sand)
25
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Brick work with F.P.S. bricks of class designation 5.0 in foundation and plinth in
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Cement mortar 1:6 (1 cement : 6 M sand)
1.2
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Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 50 in foundations and plinth in :
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Cement mortar 1:4 (1 cement : 4 M sand)
25
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12 mm cement plaster of mix :
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1:4 (1 cement: 4 M sand)
15
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1:6 (1 cement: 6 M sand)
30
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Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :
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Two or more coats on new work
50
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Providing and fixing G.I. chain link fabric fencing of required width in mesh size 25x25 mm made of G.I. wire of dia 3 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge.
90
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Supplying at site Angle iron post & strut of required size including bottom to be split and bent at right angle in opposite direction for 10 cm length and drilling holes upto 10 mm dia. etc. complete.
720
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Providing and laying factory made Precast concrete solid blocks of 200 mm thickness of grade M10 made of C&D waste from approved manufacturer in foundation and plinth in:
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Cement mortar 1:6 (1 cement : 6 coarse sand)
2.5
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Providing and fixing precoated galvanized iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm ( + 0.05 %), total coated thickness with zinc coating 120 gm per sqm as per IS:277 in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.
20
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Providing and fixing precoated galvanized steel sheet roofing accessories 0.50 mm (+ 0.05 %) total coated thickness, Zinc coating 120 gm per sqm as per IS: 277 in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete :
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Ridges plain (500 - 600mm).
5
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Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.
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Hot finished welded type tubes
170
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Fixing Foundation bolts / anchor bolts to templates etc. for tower, in systems of tower foundation including accurate alignment, levelling etc. complete as per the direction of Engineer-in-charge (Anchor bolts along with templates will be supplied free of cost and the rate in this item is only for fixing up to 12 no.s of bolts in one stem/column) in position in the columns before putting concrete as per the requirement.
4
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Supplying new Galvanized iron bolts, nuts and washers for fastening the 40 M narrow based tower (for missing bolts, nuts etc.)
200
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Transportation of tower / gantry materials for 40M tower from the BSNL stores at Malaparamba under Calicut BA to CHENGARA site by mechanical transport including loading, unloading and stacking etc. complete as directed by the Engineer in charge. (The distance for transportation is approximately 40 km)
9750
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Erection of four legged ground based ( light weight) 40 m high communication tower after segregation/sorting of the tower materials as per erection drawings Tower materials will be supplied free of cost at specified place and transportation will be paid as per item No.22.
9750
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Re-Painting the 40 metre ground based tower, including ladder, cable tray, working platforms, etc. ,after scrapping the old paint surface by sand papering, with Luxol or equivalent high gloss synthetic enamel paint in two or more coats of required colour of deep orange and white in alternate bands to give an even shade over One coat of Etch primer and Zinc chromate yellow primer as per aviation standards for tower as directed by Engineer-in-charge.
9750
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Providing and fixing in position structural steel work with galvanized steel sections - tees, angles, flats, channels including bolts, nuts of specified grade etc. welded in built up sections/frames etc. including cutting, making holes, hoisting, fixing in position etc. all complete.
250
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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)
26
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Providing GI plate earth including excavation of pit of size 1500x1500x 3000mm depth in all kinds of soil and placing four numbers of GI plates of size 600x600x6 mm thick vertically at diagonally opposite ends in the excavated pit and inter connect the plates with 50x3 mm GI strips with 2 no.s of GI bolts and nuts of 10mm dia at each connection and placing galvanized iron pipe of 50mm dia and 3000mm length at the centre of the GI plate grid and interconnect the pipe at minimum two sides with connecting flat of the GI plates with GI flat of size 50x3mm with GI bolts and nuts and fill the pit up to a depth of 650mm with charcoal of 20mm nominal size and the remaining portion of pit shall be filled with loose soil free from stones and wet the entire soil with water and providing precast RCC rings 300mm dia 450mm height and 50mm thick with reinforcements and cover slab of 300mm dia 50mm thick for earth chamber etc. and levelling the surplus excavated earth as directed by the Engineer in Charge.
2
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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 150mm (lightning conductor to be fixed at the top of the tower) and connecting the copper bus bar to the lightening arrester using 2 Nos.10mm dia brass bolts and nuts all complete as directed by the Engineer-in-charge.
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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Supplying and fixing LED aviation obstruction lamp of Saraj, Binoy, aviades, Litten or equivalent with Light Dependent Resistant sensor (day and night automatic timer) with necessary MCB switches, armoured cables(2x1.5 mm square copper cables) having total length of 60 meter. clamps etc., complete as per the direction of Engineer-in-charge.
1
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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 centimetre 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 Centering 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 )
200
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Providing ring earth by excavating trench of width 500 mm and depth 1200 mm and using GI flats of size 50x3 mm and joining this with plate earth at the corners with 2 nos. of 10 mm dia GI bolts and nuts with necessary spring, washers including 1 to 3 mm thick lead in between the joining members, refilling the trenches with excavated soil free from stones and disposal of surplus soil within 5 km lead etc. all complete as directed by the Engineer -in -charge
30
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Steel work for making template of tower base for future installation with MS plate and angle sections including making necessary holes providing with nuts and bolts etc. complete as per the direction of Engineer in charge.
50
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