Relaying And Improvement Of Sundarban Revetted Embankment Affected During Cyclone Yaas On 26.05.2021 In Between Ch. 2.705 Km To Ch. 3.360 Km For A Length Of 75M Facing Bay Of Bengal At Mouza- Gobardhanpur Under Patharpratima Irrigation Sub Division, Patharpratima-West Bengal
TDR : 28829290
Tender Notice
BOQ
Expired
Patharpratima
West Bengal
Relaying And Improvement Of Sundarban Revetted Embankment Affected During Cyclone Yaas On 26.05.2021 In Between Ch. 2.705 Km To Ch. 3.360 Km For A Length Of 75M Facing Bay Of Bengal At Mouza- Gobardhanpur Under Patharpratima Irrigation Sub Division
Name of Work:Relaying and Improvement of Sundarban revetted Embankment affected during CYCLONE YAAS on 26.05.2021 in between Ch. 2.705 KM to Ch. 3.360 Km for a length of 75mfacingBay of Bengal at Mouza- gobardhanpur under Patharpratima Irrigation Sub Division of Kakdwip Irrigation Division (2nd call of WBIW/EE/KIDIVISION/e-NIT- 5(e)/2021-2022, sl no-8)
Sl. No.
Item Description
1
Earth work from borrow pits over existing embankment or for repairs to embankment, closing breaches etc. with in an initial lead of 30 metre and lift of 1.50 metre including breaking clods and depositing the same in layers not exceeding 25 cm. and rough dressing etc. complete as per profile.
2
Extra rate over Item Nos. 1 for all kind of soil for every additional lead of 30 metres or part thereof beyond the initial lead of 30 metres.i)From 90 M to 120 M
3
ii)From 120 M to 150 M
4
iii)From150 M to 180 M
5
iv)From 180 M to 210 M
6
Extra rate over Item Nos 1.0 for all kinds of soil for every additional lift of 1.50 metre or part there of beyond the initial lift of 1.50 metre.
7
Supplying at site and laying in position UV stabilized polypropylene woven geotextile of 430gsm as filter, as per specification, including cost of preparing the bed, placing the geotextile as per profile with at least 15cm lapping, wherever required and anchorage at top, sewing / welding the overlapped portion, storage and transportation by all means, complete as per direction of the Engineer-in-charge.
8
Cement concrete cast in situ block pitching of2.15M x 2.15 M x 0.25M size with with gap in between two blocks (Max. permissible) over polythene sheet and brick khoa filter on river bed or side slope with 20mm down well graded stone chips of pakur variety with or without reinforcement including curing, shuttering, finishing the exposed surface, including cost ofsupply and carriage of all materials including polythene sheet to site and includingdressing ,ramming,preparing the subgrade to proper level & slope complete but excluding cost of reinforcement & filter materials.a) Nominal Mix(1:1.5:3) with desired strength of M-20 grade concrete.
9
Labour charges for collecting or taking out displaced cement concrete or brick blocks of all sizes from slope, bed or apron and relaying the same in canal bed or slopes including clearing, dressing, ramming and preparing bed with necessary earthwork complete within a lead of 200 metre and all lifts complete.
10
Brickwork with 1st. class in cement morter (1:4). (a) In foundation and plinth
11
Plaster ( to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating nosing and drip course, scaffolding/staging where necessary ground floor). [ Excluding cost ofchipping over concrete surface.] ii) With 1:4 cement mortar(a) 20 mm thick plaster
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