Erection Of 40 M Nbfl Tower At Kalse Tal In Malvan Of Sindhudurg District Erection Of 40 M Nbfl Tower At Kalse Tal In Malvan Of Sindhudurg District

Tender Notice

28678729
Erection Of 40 M Nbfl Tower At Kalse Tal In Malvan Of Sindhudurg District Erection Of 40 M Nbfl Tower At Kalse Tal In Malvan Of Sindhudurg District
Indian
Maharashtra
29-07-2021
05-08-2021
09-08-2021

Tender Details

Erection Of 40 M Nbfl Tower At Kalse Tal In Malvan Of Sindhudurg District Erection Of 40 M Nbfl Tower At Kalse Tal In Malvan Of Sindhudurg District

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INR 590 /-
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BOQ Items

Name of Work: Erection of 40 m NBFL tower at Kalse, Tal in Malvan of Sindhudurg District.
Sl. No. Item Description
1Earth 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.
2a) All kinds of soil
3a) Ordinary rock
4Extra for every additional lift of 1.5 m or part thereof in excavation /banking excavated or stacked materials.
5a) All kinds of soil
6Ordinary or hard rock.
7Filling 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.
8Excavating 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.
9a) All kinds of soil.
10Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :
11a) 1:2:4 (1 cement : 2 coarse sand(zone-III) : 4 graded stone aggregate 20 mm nominal size)
12Structural 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.
13Erection, testing and commissioning of 40 metre high four legged, ground based self-supporting narrow base communication tower usingavailabale tower material (Weight of Tower upto 10.00 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. Note:- (i) Tower materials including all the members, bolts & nuts will be supplied by BSNL free of cost.
14(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.
15(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
16(iv) 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 andnecessary Acceptance & Testingby the Competent Authority and nothing extra will be paid on any account.
17Painting of 40 m high self-supporting USO 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 one coat of Zinc Chromate Yellow primer all as per 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.
18Supplying 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.
19NOTES:
201. All tower materials shall be hot dipped galvanized. The tower materials, fabrication and galvanizing shall be as per relevant BIS and SERC specifications.
212. 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.
22Extra for Supplying hot dip Galvanised pipes and Nuts, Bolts etc. for Tower Antenna Pole Mounts at site. The material required is to be provided 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.
23Mechanical Transportation of 40 Metre tower material (Approx. 10.00 MT weight) from VijapurDist SSA central store, Karnataka Circle to the site including loading,transportation from store to site,unloading, carriage from road side to work site & stacking the same, making security arrangement against theft/ loss etc.,allied activities all complete as per the directions of the Engineer-incharge.
24a) Upto 300 km (For approx. 10.00 M.T. tower material)
25Providing and fixing marker plate of Size 0.9 M X 0.60 Mmade up of MS sheet 0.50 mm thick and MS angles 25x25x5 mm alround including painting the plate & angleswith sythetic enamel paint and Zinc chromate primer and lettering with syntheticenamel paint near base of the tower/ at the specified heightindicating its height, weight, date of erection, type of antenna etc. all complete as per the direction of Engineer-in-charge.
26Supplying & laying Mixture of Charcoal and crystal salt (in given proportion) or Electronic brand earthing powder (Bentonite powder) in specified quantity 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.
27Providing and fixing lead strips of size 50X50X1 mm at joints of GI earthing stripsas per direction of Engineer In Charge.
28Providing and fixingLED aviation obstruction lamp (with 55 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.
29Supplying & 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.
30Supplying fixinghotdeep galvanised GI flats,plates,nut bolts fortower earthing complete , as per direction of Engineer in Charge.
31Making Plate Earthing for resistance upto 0.5 Ohm as per the following specifications and as directed by Engineer-in-Charge.
321] Excavation for two pits of size 1.20 x 1.20mt upto 1.50m depth & below 1.50m 0.90X0.90mupto 3.00m fromground level (total 3.00 mt deep) at diagonally opposite to tower legs as follows. (Cost of excavation will be paid in separately in item of excavation)
332] 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.
343] 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.
354)P/F 300 mm int. dia. RCC collar 1 No. for each pit embedded in CC 1:2:4,with25-40mm thk. cudappahcover on top and as directeted by Engineer in charge. (Note :- The rate includes all the operations and materials involved andnecessary Acceptance & Testingby the Competent Authority and nothing extra will be paid on any account).
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