Bharat Sanchar Nigam Limited Tender
Take tender evaluation notes for Goa BSNL Tender
Costs
EMD
₹ 6,710Document Cost
₹ 590Tender Fee
Refer Documents
Summary
Redeployment Of 40 Meter High Ground Based Tower At Agarwada To Verna Goa Including Cable Runway And Earthing
Description
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Contact
Tender Id
2023_BSNL_153113_1Bid Award Id
ViewTender No
04/EEC(K)/BSNL/2023-24Tender Authority
Bharat Sanchar Nigam Limited ViewPurchaser Address
-Website
http://https://www.bsnl.co.in/
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Documents
BOQ Items
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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 up to 1.5 m.
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a) All kinds of soil
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(ii) Rate includes cost of all operations involved in hoisting and erection of tower including hire charges of tools, plants and machineries etc. and is inclusive of cost of all type of labours including skilled, unskilled, highly skilled labours, technicians etc. with insurance premium of all the workers employed by the agency and also includes straightening of any bent tower materials, matching holes of members/gusset plates and nothing extra will be paid on any account whatsoever.
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Supplying & spreading crystal salt required for Ring earth as per specifications given by the Department in excavated trench mixed with charcoal below and above GI strips as per direction of Engineer in charge.
25
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b) Ordinary of hard rock
2.5
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(a) All kinds of soil
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Dismantling of 40 m GB Tower material upto 11 MT weight consisting of Steel angles, Flats,Plates etc. including platforms, Ladder & Wave Guide etc including sorting of material at site, oiling of nuts & bolts complete including stacking of material within 50 m lead as per direction of Engineer-in-charge. [ Note: 1) Agency has to be produce the list of unavailable / missing members to Engineer -in-charge before start of dismantling work of tower. 2) Only Labour charges are covered in this item. ]
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Extra for every additional lift of 1.5m or part thereof in excavation/banking excavated or stacked materials
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NOTES:
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Excavating holes more than 0.10 cum & upto 0.5 cum including getting out the excavated soil, then returning the soil as required in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering etc, disposing of surplus excavated soil, as directed within a lead of 50 m and lift upto 1.5 m.
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(iii) The erected tower will have to meet the tower erection standards of the department and any deficiency/ discrepancy/ deviation in erected tower pointed out by the testing authority during acceptance testing (A/T) of the same, will have to be rectified.
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Painting of 40 m high self-supporting tower with two coats of synthetic enamel paint of approved brand and manufacture as per international Civil aviation rules (International white & orange) over one coat of Etch primer and Zinc Chromate Yellow primer including scrapping of old loose paint material, all as per the direction of Engineer-in-charge. The rate is inclusive of painting of all tower materials including platform, antenna mount, ladder, vertical and horizontal tray, post etc. and will have to get insurance premium of all the workers employed by him on painting.
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Erection, testing and commissioning of 40 metre high four legged, ground based self-supporting narrow base communication tower using availabale tower material (Weight of Tower upto 11.00 MT) at BSNL store, as per approved drawing and specifications with all its necessary components which include ladder, working platform with railing, carrier and fastenings, gantry, cable feeder rack, antenna fixtures, hexagonal nuts and bolts, spring washers, foundation anchor nuts, base plates, wave guide rack and rack support etc. all complete as per the directions of the Engineer-in-charge.
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a) 1:2:4 (1 cement : 2 coarse sand(zone-III) : 4 graded stone aggregate 20 mm nominal size)
0.2
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Mechanical Transportation of 40 Metre tower material (Approx. Wt. upto 11.00 MT ) from BSNL site at Agarwada Kudal in Sindhudurg SSA to the proposed site including loading, transportation from both sites, unloading, carriage from road side to work site upto a distance of 200 metre & stacking the same, making security arrangement against theft/ loss etc., allied activities all complete as per the directions of the Engineer-incharge.
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(iv) Tower Erection may be carried out in habitant area; hence the agency has to ensure extreme precaution during the execution of the work to prevent any accident/ injury/ harm/ damage to any human or animals or property or trees and plants etc. at all cost. If any mishap happens due to negligence of the agency, he will be held sole responsible for the damage and will have to face the law and bear the cost as well. The agency has to insure the labours involved in the work and submit the insurance documents to the office before commencement of the erection work. (Note:- The work is to be offered to A/T. Any rectification required are to be carried out as per their requirements. The rate is inclusive of conducting Acceptance and testing from the competent authority and nothing extra wiil be paid on any account)
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Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.
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c) Hard Rock (Blasting prohibited)
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a) Upto 60 km ( For approx. 11.00 M.T. tower material)
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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 : 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. All tower materials shall be hot dipped galvanized. The tower materials, fabrication and galvanizing shall be as per relevant BIS and SERC specifications.
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1] Excavation for two pits of size 1.20 x 1.20mt upto 1.50m depth & 0.90X0.90m below 1.50m upto 3.00m from ground level (total 3.0 mt deep) at diagonally opposite to tower legs as follows. (Cost of excavation will be paid in separately in item of excavation)
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Note:- (i) Tower materials including all the members, bolts & nuts will be supplied by BSNL free of cost.
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Providing and fixing lead strips of size 50X50X1 mm at joints of GI earthing strips as per direction of Engineer In Charge.
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Supplying deficient tower materials (due to Shortage / unserviceable materials on Account of material recovered from dismantling of tower) at site. The material required for tower, ladder, wave guide rack, antenna fixtures, pipe stand for lightening arrester, nuts, bolts, etc. as required shall be provided as per drawings in required lengths including drilling holes for bolts etc. in exact conformity with the approved drawings and as per the direction of Engineer-in-charge. .
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a) All kinds of soil.
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Supplying & laying Charcoal required for Ring earth as per specification given by the Department in excavated trench in layers of required thickness below and above GI strips as per direction of Engineer in charge.
150
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3] All the G.I. plate electrode and G.I. flat interconnected with G.I. nuts and bolts and finally G.I. flats connected to ring earth / lightning arrester etc. complete as per direction of Engineer-in-charge.
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Supplying & laying of 2x1.5 Sqmm armoured copper conductor Cable "Armoured ISI PVC Insulated & sheathed cable" of approved quality and brand including copper terminations/ Lugs etc. all complete as per directions of Engineer- in-charge. Sheath earthing for the armoured cable shall be done at minimum of two points on the tower as per the standards specified.
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Supplying fixing hot deep galvanised GI flats,plates,nut bolts for tower earthing complete , as per direction of Engineer in Charge.
90
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2. Measurements:Weight of individual member shall be worked out on the basis of linear measurements and standard coefficients. Nuts, bolts and washers shall be measured for payment.
150
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Providing and fixing marker plate of Size 0.9 M X 0.60 M made up of MS sheet 0.50 mm thick and MS angles 25x25x5 mm alround including painting the plate & angles with sythetic enamel paint and Zinc chromate primer and lettering with synthetic enamel paint near base of the tower/ at the specified height indicating its height, weight, date of erection, type of antenna etc. all complete as per the direction of Engineer-in-charge.
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Providing and fixing copper Lightening arrester of 1500mm length, 25mm dia, hollow tube and of wall thickness not less than 1.60 mm including tinning the bottom portion of the spike for a length of not less than 150mm and connecting to the G.I. strip of size 50 x 3mm of earthing by means of clamps and 2nos 10mm dia brass bolts and nuts all complete as directed by the Engineer-in-charge. The lightening spike shall be fixed to the tower with Teflon sheetto avoid direct contact with the tower.
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Making plate earthing as per the following specifications.
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2] Providing G.I. Plates of size 600x600x6mm in each pit including filling the pit with charcoal 100 Kg and salt 60 kgs. for G.I. plate earth electrode in layers & with cohesive soil for remaining pit, providing & fixing 20mm dia G.I. pipe with funnel for watering, funnel to be provided with grating/mesh at top.
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b) Ordinary rock
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Extra for Supplying hot dip Galvanised pipes for tower antenna mounts in exact conformity with the approved Drawings and as per the direction of Engineer-in-charge.
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Providing and fixing LED aviation obstruction lamp (with 300 LED Bulbs) of Saraj, Binoy, Aviads, Litten or equivalent make with light dependent resistance sensor (day and night automatic timer) with necessary MS brackets and MCB switches, clamps etc., complete, all as per directions of Engineer-in-charge.
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