Tender For Surging Of Existing 48 Nos. Big Dia Tubewell At Different Zone Within Aa-I,Ii & Iii Under New Town Kolkata W/S Division-I, P.H.E. Dte. Sl No. 02, 24 Paraganas North-West Bengal
TDR : 55608801
Tender Notice
BOQ
25 Days Left
24 Paraganas North
West Bengal
Tender For Surging Of Existing 48 Nos. Big Dia Tubewell At Different Zone Within Aa-I,Ii & Iii Under New Town Kolkata W/S Division-I, P.H.E. Dte. Sl No. 02
Name of Work:- Surging of existing 48 Nos. Big Dia Tubewell at different Zone within AA-I,II & III under New Town Kolkata W/S Division-I, P.H.E. Dte. Sl No. 02
Sl. No.
Item Description
1
Surging of existing tube well with chemical treatment and bucket wash (prior to use of compressor machine) and developing the tube well with compressor machine at least 3 (three) days at 8 (eight) hours per day till the yield is obtained at least by 75% of the total specified yield of the tube well (measured by 'V' notch tank) and draw down is within the permissible limit of 10% variation and water so obtained after such washing and developing will be free from sand and bacteria for which test report from the Public Analyst is to be obtained. (The rate is inclusive of all labour and materials including hire charges of tools and plants and cost of materials.)For tube well of size bigger than 100mm dia. with top enlargement to have yield of 6000 gallons per hour.
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For additional period.(2 Days)
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Engagement of Plumbing Mistry.
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Engagement of Plumbing Helper.
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80 mm dia CI top & bottom adopter.
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100mm x80mm dia GI reducer
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Vertical sleeve joint in wall etc. or horizontal joint in floor roof etc. including shaping and finishing adjacent surface and caulking the joint with hemp rope thoroughly soaked in bituminous material and fixing rope in position by staples or other suitable devices complete as per direction (including cost of all materials)(Payment to be made on length of rope caulking)With 19 mm. dia rope
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Supply and delivery of M.S. Housing clamp 250 mm dia.
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Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc.
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Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary :(b) On steel or other metal surface :With super gloss (hi-gloss) -(iv) Two coats (with any shade except white)
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Any other necessary items as per prevailing current P.W.D. & P.H.E. approved Schedule of rates of Kolkata/24Pgs.(N&S)/New Town W/S. Circle/ & latest modified corrigendum.
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Add GST @ 18 %
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