Neyyar River -Urgent construction of breached bund at Pullamala

Amount

Embankment Protection

2.31:Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared

OD21196/2024-2025:RING BUND Type-I-Putting up ring bund as per approved shape 2.5m bottom width, 1m top width using empty gunny/polythene bags filled with earth placed in 2 rows at 0.6m apart and filled in between with puddle clay to form bund for an average height 2.00m and maintaining the same leak proof including labour dismantling the bund after completion of the work etc. complete.

60.2.4:BAILING OUT WATER USING PUMP ABOVE 10HP AND UP TO 20HP - Bailing out water with engine and pump set above 10HP and up to 20HP, including conveyance to site and erection,cost of fuel, lubrication oil and other stores, pay of staff etc complete

60.7.6:Supplying and stacking granite stone 20 to 45 dm3 for dumping works- Supplying at site of work granite stone 20 to 45 dm3 in size (60% 45m3,30%30 to 40dm3 and 10% 20 to 30dm3 stones) for measurement ( deducting not less than 15% for voids as fixed by the departmental officer at site) including all cost, conveyance, loading and unloading charges all other incidental charges all leads and lifts etc. complete as per the direction of the departmental officers at site.

OD18375/2024-2025:Item vide DSR 60.7.7- Conveyance and dumping of departmental granite stones-Conveyance of departmental granite stone 20 to 45 dm3 in size from stack at site and dumping in position (60% 45m3,30%30 to 40dm3 and 10% 20 to 30dm3 stones) to lines and levels for the foundation of river training works as per approved design including all leads and lifts etc. complete as per the direction of the departmental officers at site.

2.6.1:Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed.All kinds of soil

60.7.2:DR PACKING Under foundation - Dry stone packing under foundation with good quality blasted rubble including conveyance of material and labour charges etc. complete as per direction of departmental officers at site.

OD17291/2024-2025:Providing hot rolled Z12-770 steel sheet pile of size 770x343.5x8.5mm, confirming to EN-10248( European standards) LARSSEN interlocks subject to the fulfillment of conditions of minimum thickness not less than 8.5mm, unit wight not less than 94.50kg/sqm, minimum section modulus per meter of wall not less than -1021cm3/m, minimum yield strength of steel 350MPa, driving down vertically in lines and levels interlocking with adjacent piles in position with suitable pile driving unit and all accessories including all labor hire charges etc. complete and as per the directions and in the presence of departmental engineers in charge of work, which shall be video graphed and recorded for reference.

4.3.1:Centering and shuttering including strutting, propping etc. and removal of form work for:Foundations, footings, bases for columns

4.3.2:Centering and shuttering including strutting, propping etc. and removal of form work for:Retaining walls, return walls, (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc.

4.1.8:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 nominal size)

4.1.3:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

5.22.6:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more

16.95:Providing & making Gabion structure with Mechanically Woven Double Twisted Hexagonal Shaped Wire mesh Gabion Boxes as per IS 16014:2012,MORTH Clause 2500, of required size, Mesh Type 10x12(D=100 mm with tolerance of ± 2%) Zinic+PVC coated, Mesh wire diameter2.7/3.7mm, mechanically edged/selvedged with partitions at every 1m interval and shall have minimum 10 numbers of openings per meter of mesh perpendicular to twist, tying with lacing wire of diameter 2.2/3.2mm(ID/OD), supplied @3% by weight of Gabion boxes, filled with boulders with least dimension of 200 mm, as per drawing, all complete as per directions of Engineer-in-charge.

OD2587/2022-2023:Providing (supply and installation) on the back side of gabion protection wall with Non Woven Geosynthetic Clay Liner as an impermmeable membrane to prevent water seepage with thickness not less than 6 mm and hydraulic conductivity ranging from 10^-9 to 10^-12 with an overlap of 30cm at all joints stitched together pulled up in to folds uniformly and sufficiently in both direction for avoiding over extension of fibre of which it is composed including conveyance and all leads and lifts etc. complete.

60.2.1:EARTH WORK FILLING- Supplying contractors own earth including cost of conveyance and royalty and filling (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

OD2590/2022-2023:Supplying, stacking and laying coir geo-textiles type H2M5(unit weight-740g/sqm,mesh size 7.57mmX8.04 mm having a yarn diameter 3.5 mm and tensile strength of 4.2-1.3cN/tex) made from cocounut fibre extracted from the husk of cocunut , developed for specific civil engineering application like erosion control ,ground improvement filteration,drainage,river bank protection ,road pavements,slope stabilization etc. The standard of coir geo-textile shall confirm with IS 15868(part 6): 2008 and IS 15340:2003. The coirgeotextile shall be layed and fixed using appropriate J clip/bamboo stakes and plastering the sides with excavated mud, then planting anti erosion plants/grass as a mode of ecofriendly bank protection. The bamboo clip shall be made from smaller secondary branches with nail (eye bud)originating from the node having a minimum length of 20cm. The type of bamboo shall be of bambusa bamboos or similar spieces having good anchoroage with the ground. Bamboo clip shall be used max 1metre interval in both direction. The coir geotextile shall be firmly sticked to the soil in line and level as per direction of site officer incharge. In no case it shall be losened,additional strengthening of clamping shall be made at the edges of the coir geotextile as directed by Engineer -in -Charge.

60.6:PVC WEEP HOLES- Providing weep holes using 75mm dia. PVC pipes working pressure 4kg /sq.cm including cost of materials, conveyance, labour charges etc. complete.

OD21598/2024-2025:Providing and laying of Filter media with granular materials/stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2. of MoRTH specifications to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutment, wing wall and return wall to the full height compacted to a firm condition complete as per drawing and Technical Specification.

J S Subhash Chandra Babu

SREEKANDAN B

Bidder Name

J S Subhash Chandra Babu

SREEKANDAN B

ANILKUMAR N