Re-Tender for Construction of retaining wall for protection along Gharpa road at South campus of IIT Mandi

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, within all lead and lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within all lead and lift. a) All kinds of soil as per entire satisfaction and direction of Engineer -in-charge including carriage of material within all lead and lift.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering as per entire satisfaction and direction of Engineer -in-charge including carriage of material within all lead and lift.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : a) 1:3:6 (1 Cement : 3 coarse sand(zone-III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) as per entire satisfaction and direction of Engineer -in-charge including carriage of material within all lead and lift.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : a) 1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources) as per entire satisfaction and direction of Engineer -in-charge including carriage of material within all lead and lift.

Centering and shuttering including strutting, propping etc. and removal of form work for : a) Foundations, footings, bases for columns as per entire satisfaction and direction of Engineer -in-charge including carriage of material within all lead and lift.

Centering and shuttering including strutting, propping etc. and removal of form work for : a) Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc as per entire satisfaction and direction of Engineer -in-charge including carriage of material within all lead and lift.

Providing and fixing 110mm dia Unplasticized rigid PVC pipe of required size for weep holes in concrete walls including cutting,placing and fixing in required slope all complete as per entire satisfaction and direction of Engineer -in-charge including carriage of material within all lead and lift.

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 entire satisfaction and direction of Engineer -in-charge including carriage of material within all lead and lift.

Supplying & back filling with well graded stone boulders of size 150 mm to 300 mm behind retaining wall complete as per the directions of the Engineer-in-charge. (Note :- 30% deductions in measurements shall be made for voids) as per entire satisfaction and direction of Engineer -in-charge including carriage of material within all lead and lift.

YOG RAJ

BHANU PRATAP SHARMA

Manish Kapoor

Mahender Kumar Contractor