Embankment Protection, Strengthening Beautification Work at Katakhal opposite to 15 MLD STP Site near Abhoynagar Bridge at a stretch of 460m and Providing 100m of Block Pitching adjacent to SBR tank of the STP.

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1 m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared.

Manufacturing of Cement Concrete Block with mix 1:4: 8( 1 Cement : 4 River sand : 8 Jhama brick agreegate of 40 mm nominal size) including centering & shuttering of size 0.45 m X 0.45 m X 0.30 m and engraving the serial number of each block as per direction of the Engineer - in- Charge.

PCC 1:3:6 in foundation Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days as per drawings & MoRT&H technical specifications Clauses 2100. (including centering, shuttering, staging etc. but excluding reinforcement)

Placing of sand cement/ cement concrete blocks of size 0.45m X 0.45m X 0.30m in slope of river bank and in river bed including preperation of bed or launching apron as per direction of the Engineer - in- Charge. Cement Concrete Block.

Joining of CC Blocks of size 0.45mx 0.45mx 0.30m with 12 mm thick cement mortar 1:6 (1 cement : 6 river sand ) to make panels as per drawing and direction of Engineer- in- Charge in slopes of embankments and River banks etc.

Geotextile Filter Laying of a geotextile 120 gsm non woven membrane, 100% polyester of thickness 1 to 1.25 mm between pitching and embankment slopes on which pitching is laid to prevent escape of the embankment material through the voids of the stone pitching/cement concrete blocks as well as to allow free movement of water without creating any uplift head on the pitching as per drawing and MoRT&H Technical specifications clause 700, 2504.

Excavation for Structures Earthwork in excavation for structures as per drawing and MoRT&H technical specifications Clause 304 including setting out, construction of shoring & bracing, removal of stumps & other deleterious material and disposal upto a lead of 50 m, dressing of sides & bottom and backfilling in trenches with excavated suitable material By Manual Means (Upto 3m Depth in ordinary soil) with Dewatering Rate.

By Mechanical Means (Upto 3 m depth in ordinary soil) with Dewatering Rate

Banking excavated earth in layers not exceeding 20 cm. in depth, breaking clods, watering, rolling each layer with ½ tonne roller, or wooden or steel rammers, and rolling every 3rd and top-most layer with power roller of minimum 8 tonnes and dressing up, in embankments for roads, flood banks, marginal banks, and guide banks etc., lead upto 50 m and lift upto 1.5 m. All kinds of soil

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