Renovation of filter Bed No.09 and 10 of slow sand filter bed at Topchanchi, Under JMADA Dhanbad.

Supplying all labour, tools & taking out choked fillter media from fillter bed & disposal of the same by head load to a safe distance etc all complete as per direction of E/I.( As per analysis attached) a )Sand-Fine & coarse.

b) 6 mm to 12 mm gauge pebbles.

c)12 mm to 20 mm gauge pebbles

d) 40 mm gauge pebbles

Bricks

Providing, lowering, laying and placing in position the following , fillter materials for slow sand fillter with all leads and lifts involved including transportation of materials ,screening and washing of materials and placing in position with given section, etc.complete as directed by Engineer-in-charge a ) coarse Sand.

Supplying 75 A bricks for brick on edge soling as per specification & dfirection of E/I.

Providing designation 75A one brick on edge soling joints filled with local sand including cost of watering, taxes royalty all complete as per building specification & direction of E/I. Loess the cost of old bricks

Providing & laying cement concrete in retaining walls, return walls, wall( any thickness) including attached pillasters ,columns, piers, abutments, pillars,posts, struts, butteresses, strings or lacing cources, parapet, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc, up to five level, excluding the cost of centering, shuttering and finishing. 5.3.2.1) 1:1.5:3(1 cement:1.5 coarse sand ( zone-III ) :3 graded stone aggregate 20mm nominal size)

Supplying all labour, tools & lowering and placing the following fillter materials 50% of new materials in bed by head load lead 500 mtrs & lift 2.00 mtrs including cleaning & washing the taken out materials etc all complete as per direction of E/I.( As per analysis attached)