Protection Work in Left Bank Near Vindhyavasini Site at Bin River.

Amount

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 including supply of all material labour T&P etc. required for proper completion of the work.

Surface dressing of the ground including removing vegetation and inequalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m all kinds of soil including supply of all material labour T&P etc. required for proper completion of the work.

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 getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge including supply of all material labour T&P etc. required for proper completion of the work.

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%) Zinc coated, Mesh wire diameter 3.0 mm, 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 2.2mm, supplied @ 3% by weight of Gabion boxes, filled with boulders with least dimension of 200 mm, as per drawing, all complete as per direction of Engineer-in-charge including supply of all material labour T&P etc. required for proper completion of the work.

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 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) including supply of all material labour T&P etc. required for proper completion of the work.

Centering and shuttering including strutting, propping etc. and removal of form work for Foundations, footings, bases for columns. including supply of all material labour T&P etc. required for proper completion of the work.

Stone masonry in cement mortar for substructure complete as per drawing & technical specification Clauses 702, 704, 1202 and 1204 Specifiction Random rubble masonry In 1:4 cement mortar. including supply of all material labour T&P etc. required for proper completion of the work.

Providing and laying Pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specification. ncluding supply of all material labour T&P etc. required for proper completion of the work.

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification. including supply of all material labour T&P etc. required for proper completion of the work.

Providing and laying boulders apron on river bed for protection against scour with stone boulders weighing not less than 40 kg each complete as per drawing and Technical specification: Boulder laid dry without wire crates including supply of all material labour T&P etc. required for proper completion of the work.

Engaging & operation of one no. wheel type excavator cum loader machine (preferably JCB/L&T/BEML etc) having capacity 75 BHP with one operator and one helper, including cost of fuel lubricants and repair maintenance etc. for removal of slip / landslide/ excavation in dry and wet condition, complete in all respect as per direction of E/I. Payment for engaging excavator cum loader shall be made only for actual working hours at site, no idle charges shall be paid. If machine is trapped in slip / earth, contractor shall make its own arrangement to haul the machine, for which no extra payment shall be made to contractor, and also machine shall be considered in idle condition. Cost of mobilization & demobilization from site shall be borne by contractor including supply of all material, labour, T&P etc. required for proper complition of the work.

Engaging & operation of one tractor along with one dirver and one no. helper & trolley having hydraulic jack arrangement. including cost of fule lubricants and repair maintenance etc. for removal of slip / landslide/ excavation in dry and wet condition, complete in all respect as per direction of E/I. Capacity of tractor must be not less than 45BHP, and loading capacity of trolley must not be less than 2.25 cum. Payment for engaging tractor with trolley shall be made only for actual working hours at site, no idle charges shall be paid. If tractor is trapped in slip / earth, contractor shall make its own arrangement to haul it, for which no extra payment shall be made to contractor, and also tractor shall be considered in idle condition. Cost of mobilization & demobilization from site shall be borne by contractor. Cost includes the average running of 20 km per day.

Supply unskilled labour for full day as per requirement for attending miscellaneous works as per direction of the Engineer in charge for proper completion of the work.