Tender For Raising, Strengthing And Improvement Of Sundarban Embankment From Ch. 16.045 Km To Ch. 16.645 Km.For A Length Of 600.0 M In Mouza -Laxmipur Abad, Block - Namkhana, P.S. - Frezarganj Costal, Dist - South 24 Parganas.
Tender Overview
Project Description
Tender for Raising, Strengthing And Improvement Of Sundarban Embankment From Ch. 16.045 Km To Ch. 16.645 Km.For A Length Of 600.0 M In Mouza -Laxmipur Abad, Block - Namkhana, P.S. - Frezarganj Costal, Dist - South 24 Parganas.
BOQ
| Sl. No. | Item Description |
| 1 | Earthwork in excavation in all kinds of soil for making embankments, repairs to the embankment, closing breaches etc. as per profile including supply and transporting the earth by truck or tractor or any other mechanical means on land, including loading, transporting, unloading and stacking with all lifts bothways and head load where necessary and depositing the same on embankments, clannels, filling depressions in requisite profile,levelling as per direction ofthe Engineer-in-charge within a lead of, N B : Measurement to be taken on the basis of stack measurement/prepost work section measurement after deduction of void as per norms. No extra payment will be made for stacking. Beyond 500 metre and upto 1.00 Km |
| 2 | Earthwork in excavation in all kinds of soil for making embankments, repairs to the embankment, closing breaches etc. as per profile including supply and transporting the earth by truck or tractor or any other mechanical means on land, including loading, transporting, unloading and stacking with all lifts bothways and head load where necessary and depositing the same on embankments, clannels, filling depressions in requisite profile,levelling as per direction ofthe Engineer-in-charge within a lead of, N B : Measurement to be taken on the basis of stack measurement/prepost work section measurement after deduction of void as per norms. No extra payment will be made for stacking. Beyond 4 Km. and upto 5.00 Km |
| 3 | Earthwork in making new embankment /ringbundh /retired embankment by excavation of earth from borrow pits in all kinds of soil including making berms and depositing the same in layers not exceeding 25cm. asper profile within an initial lead of 30 metre and lift of 1.5 metre including cost of nicking out lines,dug-belling, putting profiles, cutting and removing thick and thorny jungles, uprooting trees and stumps of all sizes upto30cm.,girth from the site alignment as perdirection of the Engineer-in-Charge including dewatering, removal of weeds ,carcasses, organicmatteretc., if any,breaking clods,rough dressing ,watering,ramming,compacting etc. complete. (Work to be executed on section measurement by pre-work & post-work level section) A. Where land for earth owned/arranged by the Department. |
| 4 | Compacting earth work in embankment in layers of 25 cms. by power roller or by any other mechanical means, like tractor driven sheep foot roller/vibrating plate compactor earth rammer etc.( Not at OMC) including necessary watering, labour charges, hire charges, hire charges of all materials, tools & plants etc. and including cost and supply of all materials complete as perdirection of the Engineer-in-charge.( Payment will be made on the basis of Pre-works & Post-work level). |
| 5 | Earthwork in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing spreading or stacking the spoils within a lead of 75 metre as directed. The item includes necessary trimming the sides of trenches levelling, dressing and ramming the bottom, bailing out water as required complete. A) Depth of excavation not exceeding 1500 mm. |
| 6 | Earthwork in filling in foundation trenches or plinth with good earth in layers not exceeding 150 mm including watering and ramming etc. Layer by layer complete. (Payment to be made on the basis of finished quantity of work) A)With earth obtained from excavation of foundation. |
| 7 | Making filter with well graded 40 mm. down ballasts and laying uniformly behind weep holes, below pitching on bed, side slopes including supply and carriage of all materials to site including preparing bed with earthwork up to 30 cm. depth, where necessary and compacting with wooden malllet after laying to achieve designed section as per direction of the Engineer-in-Charge (measurements will be on finished work/in stack after deducting necessary void). (I) 1st. class brick ballast. |
| 8 | Cast-in-situ cement concrete blocks or lining units as per designed section and specification, in nominal mix proportion 1:1.5:3 (corresponding to M20 Grade) with well graded 20 mm down stone metal aggregate, laid in position by casting in alternative panels or otherwise to keep a gap of 12 mm between the adjacent units, over a layer of polythene sheet of thickness not less than 100 µm to act as a separator between the bottom surface of the block and the sand cushion / filter material laid below the blocks, including dressing,ramming, shuttering, finishing the exposed surface by trowel without adding any additional cement and sand mortar, curing and filling the gaps between the adjacent units by 5.6 mm down coarse aggregate to be compacted properly, with all leads and lifts including supply and carriage of all materials, complete, without the cost of sand cushion /filter.Stone aggregates of Pakur varieties.Note: Provisions of the latest Departmental Manual for Lining in Irrigation Canals are to be followed, wherever applicable. |
| 9 | Single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. |
| 10 | Brick pavement with 1st class / picked jhama bricks (as per direction of Engineer in charge) with joints set closed in cement mortar 1:6 including preparation of bed by cutting or filling with ramming the filled up earth to the same profile as that of the finished pavement. Rate is inclusive of cost of supply of all materials, labour and all incidental charges in this connection.(a) When laid with a cushion of sand below including cost thereof:(iii) One brick on edge pavement laid in herring bone bond pattern |
| 11 | Ordinary cement concrete (mix 1:1.5:3) with graded stone chips (20 mm. nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. i) Pakur variety.Cement : PPC/PSC/OPC33 |
| 12 | Plain / Reinforced Cement Concrete in Substructure with coarse aggregates of appropriate nominal size and grading, fine aggregate (sand) conforming to proper grading zone, both of approved quality, cement and water reducing admixtures, as necessary, including labour, cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge and cost for quality control, sampling, testing etc. all complete as per drawing and technical specification including the cost of necessary form work and staging complete as per drawing and technical specifications.E.RCC Grade M25(i) Height upto 5mI) Using concrete MixerNote : 1.From durability consideration, the value of minimum cement content and maximum water cement ratio to be considered in the mix design shall be as per the direction of the Engineer-in-Charge. 2.During the execution of the item necessary quantity of approved plasticizers to obtain the desired workability and strength is to be added, cost of which has been incorporated in the rate of the item.Cement : PPC /PSC / OPC 33. |
| 13 | Supplying, fitting and placing HYSD bar reinforcement in Sub-structure including initial straightening, straightening of coils bars, removal of loose rust (if any), cutting to requisite length bending, binding with annealed wire not less than 1 mm in size and conforming to IS 280 at every intersection hooked and bent to correct shape and placed on forms etc. including cost of black annealed wire and cost of loading, unloading, carriage of all steel materials complete as per drawing and technical specifications and direction of Engineer-in-charge.Steel materials2(ii)b. Tor Steel rods / HYSD bars / TMT bars (JSW/ JSPL/ Shyam / SRMB/ /SSL/ BMASL / Electrosteel) (Fe 415 /Fe 500 /Fe 500D, conforms to IS:1786) |
| 14 | Hire and labour charges for shuttering with centering and necessary staging upto 4 m. using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (When the height of a particular floor is more than 4 m. the equivalent floor height shall be taken as 4 m. and extra for works beyond the initial 4 m. ht. shall be allowed under 12 (e) for every 4 m. or part thereof) (a) 25 mm. to 30 mm. thick wooden without staging in foundation. |
| 15 | Supplying, testing and installation of open Weave Jute Geo-textile (JGT) having overall weight of 500 gm/sq. m, thickness 6 mm, idth 1220 mm, Tensile strength 10 KN/m Warp direction) × 7.50 KN/m (weft direction) on slopes of embankments dressed and cut to a gradient as per design and drawing for control of surface soil erosion on proposed bank slope of embankment including the cost of preparation of subgrade and excavating the trenches of 500 mm deep and spade-width wide where necessary, and filling the trenches with earth duly secured to sub-grade by U shape MS staples (11 gauges) or wooden or plastic pegs at an interval of 450 mm, providing side lapping of 100 mm and horizontal lapping of 300 mm as per direction complete.The rate is inclusive of all incidental charges, transportation by all means to the work site, all leads and lifts complete. (Payment will made in the basis of finished surface area of the slope). |
| 16 | Turfing with chorkata or durba grass sods 5 cm. to 8 cm. thick in slope, crest berm etc. of embankments, canals and drainage channels etc. within a lead of 150 metre and all lifts including fine dressing, watering, ramming, guarding etc. complete. (sods will have to be arranged by the contractor at his own cost. Payment to be made on the grown grass only). |
| 17 | Providing and laying pre-cast brick block pitching of required size (53 Cm. x 53 Cm, x 25 Cm. or as directed by the Engineer-in-charge ) with 1st class kiln burnt bricks in cement mortar including flush pointing on all faces except exposed face which to be plastered with 19 m.m. thick cement plaster , curing, dressing, ramming & preparing subgrade in slopes & bed complete with necessary earth work not exceeding 300 mm in depth with all leads & lifts including cost of all materials/ blocks up to site by all means of transport. The gap between adjacent blocks will not be more than 10 m.m. (Sand, cement mortar mix for making blocks, pointing & plastering is1:4). |
| 18 | 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 of chipping over concrete surface] (i) With 1:4 cement mortar. (a) 20 mm thick plaster. Cement Used - PPC/PSC/OPC-33 Please Enable Macros to View BoQ information |
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