CAPITAL DREDGING, WIDENING OF NARROW CANALS, BANK PROTECTION, REMOVAL OF OBSTRUCTIONS AND RELOCATION OF UTILITIES IN EDAPPALLIKKOTTA - KOLLAM STRETCH OF NATIONAL WATERWAY 3

Dredging / widening and removal of hardstrata

Dredging / excavation of material consisting of sand, silt, clay, medium / fine gravel their mixture and compact & sediment soil, clayey soil with pebbles laterite with sand and pebble up to a depth of 2.20 m below chart datum as per the design of the channel by suitable cutter suction dredger OR appropriate other equipments and disposal of material up to a distance of 500 m. 10% of estimated quantity has been assessed to have N value > 20 and few patches N value > 50, but the same are intermixed with material of N value < 20.

Construction of new Bank Protection

Site clearance by cutting and removing the grass, bushes, all obstruction etc. from the top surface and disposal of the same as and where directed by the Engineer.

Supplying and filling river sand behind revetment and below geo-textile layer as shown in drawings including watering, ramming, consolidating and dressing etc. complete.

Supply and placing in position Geo-textile as per specification or equivalent filter for below revetment as per the approved specification and drawings and any other place as directed by the Engineer including over lapping, sticking, stretching with all lead lift labour. Tools & Plants floating crafts, divers, etc. complete.

Supplying and providing of 150mm thick layer quarry rubble undressed stones as filter material of approved gradation for launching apron as well as slope pitching as directed by the Engineer.

Providing and laying of stone boulders of size 40 to 60 kg., under water to a finished thickness to the lines and levels as per approved design & drawing including all labour. Tools & Plants floating crafts, drivers etc., all complete.(16% of total qty., will be deducted for voids)

Cement plaster with a mixture of sand and gravel or crushed stone from 6mm to 10mm nominal size dashed / grouted over the stones including fresh plaster in two layers, under layer 12mm cement plaster 1 : 4 (1 cement : 4 fine sand) and top layer 10 mm cement plaster 1 : 3 (1 cement : 3 fine sand).

Providing and laying in position cement concrete of grade 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate - 20mm nominal size) for PCC over RR wall 100mm thick including centering & shuttering, curing etc., as directed by Engineer, including cost of materials, labour, Tools & Plants etc., complete.

Reinforcement for concrete work including straightening, cutting, bending, placing in position and binding all complete HYSD bars.

Construction of New RCC Boat Jetty

Earth work excavation at all depth using earth moving equipment such as poclain etc. in all classes of soil, except hard rock requiring blasting including getting out the excavated soil, collecting, conveying, depositing and clearing site etc. complete with all lead and lift.

Shifting, driving and installing pre-cast reinforced cement consrete piles of specified size and length below the pile cap in cement concrete 1:1.5:3 (1 cement : 1.5 sand : 3 graded stone aggregate 20 mm nominal size) subject to a minimum cement content of 430 Kg/cu.m of concrete to carry safe working load not less than specified, including centering, shuttering, etc. complete but excluding the cost of steel reinforcement.

Chipping and removing carefully top of RCC piles to lines and levels without damaging the remaining portions, exposing the disposal of dismantled materials, debris etc., and clearing site.

Brick work with brick of class designation 75 at all levels in cement mortar 1:6 (1 cement : 6 course sand)

Providing & laying in position machine batched, machne mixed and machine vibrated design mix reinforced cement concrete of grade M-20 (using 20 mm nominal size graded stone aggregate) and finished to fair face but excluding the cost of centering and shuttering and reinforcement in foundation and plinth, such as in rafts footing, bases for column, slab, machine and equipment foundation, pile caps etc. complete as directed. (Pile, Slabs, pedestals beam for jetty etc., at all levels)

Centering & shuttering including strutting, proping etc., with necessary wooden planks, joists, runners struts, post etc., and removal from work for foundation footings, pile caps, pedestals over foundation footings beams for jetty etc., at all levels - straight sided.

Providing reinforcement to RCC works at all level with MS and or deformed bars including all charges for uncoiling and straightening rods, cutting rods, bending cold, placing in position and tying wire of suitable gauge etc., complete.

Providing and fixing railing and verticals for stair cases, jetty platform, etc., with GI pipes class B with all required specials at all level including charges for cutting, welding, drilling holes as required, fixing to lines and levels and appying priming coat of approved steel primer etc. fot 32 MM nominal bore and 20 MM nominal bore

Supply, fabrication and erection of structural steel work bolted or welded at all levels as per scope drawing for hand rails, inserts, etc with MS angles, rods and plates including cutting, welding, cleaning, erecting and painting with 2 coats of zinc chromate primer (1 shop coat and one coat after erection) and two coats of synthetic enamel paint of approved colour over primer including supply of necessary MS bolts and nuts other than holding down bolts.

Plaster with cement mortar 1:4 and an average thickness of 12mm, one coat floated over hard and trowelled smooth at all level to fair faces of brick masonry etc.

Supplying and fixing 0.50 mm thick precoated Aluminium Trafford roofing sheet including providing of suitable nuts, screws, washers as per requirement, transportation, cutting to size and shape wherever required, lapping, bending for ridges, valleys etc. if any and fixing in position etc. complete.

Construction of new culverts including dismantling and removal of old ones

Earth work excavation at all kinds of soil for foundation trenches of drains (not exceeding 1.5m in width or 10 Sq. m on plan) including dressing of slides and ramming of bottoms, lift upto 1.5m, including getting out the excavated soil, collection, conveying, depositing, and clearing site/IWAI premises etc. complete with all lead and lift.

Providing and laying in position cement concrete of 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40mm nominal size) excluding the cost of centering and shuttering for all works at all levels.

Providing and laying in position 1:2:4 (1 cement : 2 coarse sand: 4 graded stone aggregate 20mm nominal size) grade for top slab of culvert etc. at all levels

Centering and shuttering including strutting, propping etc. with necessary wooden planks, joists, runners struts, posts etc. and removal of form work for top slab of culverts etc. at all levels.

Providing reinforcement to RCC works at all level with MS and or deformed bars including all charges for uncoiling and straightening rods, cutting rods, bending cold, placing in position and tying wire of suitable gauge etc., complete.

Random rubble masonry with hard stone including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate : 20 mm nominal size) at all levels with cement mortar 1:6 (1 cement : 6 coarse sand)

Pointing to brick work or coursed rubble masonry work with cement mortar 1:3 including thread lining the joints at all heights.

Dismantling & removal of existing structures in the widening area including disposal of debris / scraps away from the site cleaning the dismantled materials from site as per instructions of Engineer in Charge or his representative.

Building or structure including foundation, basement, superstructure etc.

Rip - Rap type protection / stones:

Pile & slab type protection / RCC scraps :

Taking out and removing existing RCC pillars at all depths

Drain wing wall

Existing wooden jetty with coconut pile

Existing / old culverts

Disposal of trees (HARD COUNTRY WOOD) available in the widening area; which include the sale value of the trees, cost of their cutting and removing of stumps & roots etc., below ground level also and clearing the site / land free from the cut materials and rubbish for dredging / excavation and providing revenue there-from to owner.

Mango Tree

Coconut trees

Other Hard Country Wood

ACE FOUNDATIONS AND STRUCTURES (BID ID -3106268)

Yojaka (India) Pvt. Ltd. (BID ID -3107789)