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| 1 | Excavation, Dewatering, Grouting of Vertical Anchors, Fabrication & Erection of reinforcement as per approved drawings, Construction of Concrete Block with approved Design Mix of Concrete |
| 2 | Survey of the installation site before start of execution of work for proper positioning and construction of upstream anchor block. |
| 3 | Earth work in excavation by manual means including disposal of excavated earth upto 3 mtr from cutting edge, disposed earth to be levelled and neatly dressed: (Ordinary Rock) as per drawing, technical specification and directions of Engineer-incharge |
| 4 | Earth work in excavation by manual means including disposal of excavated earth upto 3 mtr from cutting edge, disposed earth to be levelled and neatly dressed: (Hard rock) (Blasting Prohibited)) as per drawing, technical specification and directions of Engineer-in-charge |
| 5 | Filling with available fly ash and earth (excluding rock) in trenches or embankment in layers (each layer should not exceed 15 cm), with intermediate layer of compacted earth (Soil density of 98%) after every four layers of compacted depth of fly ash, sides & top layer of filling shall be done with earth having total minimum compacted thickness 30cm or as decided by Engineer -in-charge, including compacting each layer by rolling/ramming and watering, all complete as per drawing and direction of Engineer -in - charge. |
| 6 | Providing and laying in position plain cement concrete of gradeincluding the cost of centring and shuttering. 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 20mm nominal size) |
| 7 | Reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete. Grade of Steel Reinforcement shall be HYSD Bars of Fe 500 or higher grade conforming to relevant Indian Standards |
| 8 | Centring and shuttering including strutting, propping, etc and removal of form for: Columns, Pillars, Piers, Abutments, Posts and Struts including staging proping etc complete work as per site requirement |
| 9 | Providing and laying in position machine· batched ,machine mixed and machine vibrated -design mix cement concrete of M-25 grade for reinforced cement concrete structural elements, excluding the cost of centring, shuttering, finishing and reinforcement, including Admixtures in recommended proportions, (as per IS 91 03) to accelerate, retard setting of concrete improve workability without impairing strength and durability as per direction of Engineer-in-charge and drawings- .All work upto plinth level. |
| 10 | Providing and Fixing Vertical Anchors ( 2700 long of dia 25 mm with 1200 mm drilled in Rock and 1500 in Concrete Anchor) including cutting, hoisting, bending etc as per drawing, technical specification and directions of Engineer -in-charge |
| 11 | Design Engineering, CFD simulation of design, Fabrication and erection of various Components of Log Boom i.e. Floats along with holding arrangements & associated work, Screens, Wire Ropes along with allied works. |
| 12 | Providing and Fixing of modulur section of individual float assembly made by High Density Polyethylene (HDPE)material based float filled with POLYURETHANE FOAM inside HDPE pipe of 400/630 (as per design)mm dia and 6m length and additional 2 halves floaters mechanicaly fastened as per design,including heavy duty structural steel and wire rope of required size conforming to IS:2266, water tight ends connections of floats as per drawing, technical specification and directions of Engineer -in-charge |
| 13 | Structural steel work riveted or bolted in built up sections of Flat, Angles, Bars, Hooks, Bolts, Plates, Clamps etc. trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel (For fabrication of debris screen attached with float section) as per approved drawing |