GENERAL-Vellayani Kayal Phase - I-Vellayani Kayal Restoration Scheme-General Civil Work-1

Amount

PHASE - I Kayal Mouth to Kakkamoola Bridge (Appendix A)

OD8585/2022-2023:Deepening the kayal by using sand pumps mounted on barges or any other suitable method and dumping the spoil with a flow rate of 500m3 slurry per hour with a solid output of not less than 75m3/hour at location already pointed out by the departmental officers with a lead up to a radial distance of 500 m,including hire charges of sand pump,all tools and plants and accesories,fuel charges,idling and mobilisation charges providing and shifting the pipe lines including all labour charges & incidental charges etc.complete for a desired depth for fulfilling the final objective of removing all obstructions and to ensure storage capacity of water in the kayal and formation of earthen bund using the dredged earth/spoil obtained from the kayal in the places as per direction by Engineer in charge and disposal of excess earth/ spoil to places as directed by Engineer-in-charge. The rate shall include disposal of excavated earth/clay, temporary storage of all materials on the banks or other suitable locations by means of loaders/tippers/mechanized boats etc. as appropriate as directed by Engineer-in-charge.

OD38112/2023-2024:RING BUND Type II Putting up ring bund with earth fill gunny bags of top width 1.0m bottom width 2.0m height 2.0 m side and filling in between with earth to form ring bund and maintaining the same leak proof till the completion of the work and clearing the site by dismantling the bund after completion of the work. etc. complete.

60.2.3:Bailing out water using pump above 5 HP and Up to 10 HP-Bailing out water with engine and pump set above 5HP and up to 10HP, including conveyance to site and erection,cost of fuel, lubrication oil and other stores, pay of staff etc complete

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

60.64.1:Coconut Pile - Supplying and stacking well matured straight coconut post for driving down throug various strata bellow bed level including cost coveyance labour charges etc complete.

OD8584/2022-2023:Coconut pile - Driving down coconut pile to lines and levels through sandy soil strata including all hire charges and labour and all other appliances necessary for pile driving down after pointing the bottom end. Details for one post of 6m long 5 numbers per day 6 x 5 =30m. Details for 30m length

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.

60.7.1:DRY RUBBLE MASONRY _ Dry rubble without concrete levelling course masonry with good quality blasted rubble including packing to compactness to lines and levels cost and conveyance of all materials labour charges etc. complete as per direction of Departmental officers at site

7.1.1:Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) up to plinth level with:Cement mortar 1:6 (1 cement : 6 coarse sand)

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)

4.1.5:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size)

5.1.2:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 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

5.9.1:Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete

16.91.1:Providing and laying factory made chamfered edge Cement Concrete paver blocks in footpath, parks, lawns, drive ways or light traffic parking etc, of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over 50mm thick compacted bed of sand, compacting and proper embedding/laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand. complete all as per direction of Engineer-in-Charge.60mm thick cement concrete paver block of M-35 grade with approved colour, design & pattern.

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)

OD41626/2023-2024:Geo textiles works - For surface preparation, laying coir geo textiles(740GSM) of type H2M5(unit weight-740g/sqm,mesh size 7.57mmX8.04mm 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)fixed using bamboo pegs in the requiredarea and Plastering the sides (slope area) of the banks with excavated mud then planting anti erosion plants such as Ramacham as a mode of ecofriendly bank protection .The type of bamboo shall be of bambusa bamboos or similar spieces having good anchoroage with the ground.Bamboo clip shall be used as per the direction of incharge and the maximum 1m intervel 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 strenghtaning of clamping shall be maid at the edges of the coir geotextile.

10.25.2:Item Shifted to Sub head 14 as item 14.73 Item Shifted to head 14 as item 14.74 Steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

13.52.1:Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.On steel work

Appendix B - Boundary stone and Soil sample

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

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

4.1.6:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:3:6 ( 1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size)

5.1.3:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:2:4 ( 1 cement : 2 coarse sand : 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

5.9.1:Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete

13.44.1:Finishing walls with water proofing cement paint of required shade:New work (Two or more coats applied @ 3.84 kg/10 sqm)

13.71:Lettering with black Japan pint of approved brand and manufacture

OD12263/2022-2023:For carrying out Soil classification testing of the collected sample from dumping yard and testing to be done by government approved testing centers as per the directions of engineer in charge

OD21277/2022-2023:Name board of size 76*60cm installed in the appropriate place visible to the public made of brick wall with granite plaque should be inserted and engraving letters etc. complete as per the departmental officers at site.

GKS BUILDERS AND DEVELOPERS PRIVATE LIMITED (BID ID -1927420)

MARYMATHA INFRASTRUCTURE PVT LTD (BID ID -1927450)

sri Avantika Contractors (I) limited (BID ID -1918578)

Bidder Name

sri Avantika Contractors (I) limited

MARYMATHA INFRASTRUCTURE PVT LTD

TBAS Infrastructure Pvt Ltd.

GKS BUILDERS AND DEVELOPERS PRIVATE LIMITED