NIT 17 Item 1 Re Invited

Strengthening/ renovation of MS Rail Path with allied works of Clarifier No 2 at Filter House, HP-I with following works:- Lifting of Bridge from the path by heavy duty Jack arrangement and providing proper wooden packing in such a manner so that the Wheels of Clarifier could be easily dismantled from the Clarifier.

Removing of both the Wheels along with Chain Sprocket, Bearing Blocks at both ends of Wheels from the Clarifier with the help of jacks and packing etc.

Removing of all the Foundation Bolts and Clamps from the System approx., 600 Nos. of Bolts by proper way and also removing of complete Rail from the Track with heavy labour, etc.

Drilling by Hammer Drill on the periphery of path of Rail at both ends. The approximate length of path is 486.70 feet that is to be drilled by the help of Hammer Drill. Approximately 400 nos. Drills of size of 16 mm round X 200 mm long are drilled manually by experts with the help of Hammer Drill. At first the drill of small dia. of say 10 mm Ø is carefully drilled and then drill of 16 mm Ø is drilled with the help of Hammer Drill. This includes the cost of Carbide Drill and expert manual labour @ Rs. 250/- per Drill.

Cost of Anchor Bolts with Nuts made from EN–8 matl. The size of Anchor Bolts is 16 mm Ø X 200 mm long with Centre Pin for proper grouting in the RCC structure.

MS Clamp of ‘L’ type for holding the Plate of size 175 mm X 50 mm X 14 mm (Length X Width X Thickness) approx. is duly drilled at centre of the Plate by 16 mm Ø Anchor Bolts tightly with the System

MS Plate of 270 mm X 100 mm X 6 mm (Length X Width X Thickness) size is duly fixed below the Rail for proper leveling support, etc. This includes the cost of chiseling out CC Block for proper level of flow and below the Rail as per present condition of RCC path.

The cost of bending of Rail (i.e. totally damaged in level & disturbed in shape) so that the complete Rail should be in uniform level position by bending the Rail as per path of the Clarifier in round shape with suitable alignments, levelling etc.

Fixing of complete Rail in proper circular shape with Anchor Bolts, MS Plate of size 270 mm X 100 mm X 6 mm (Length X Width X Thickness) by uniform welding with existing Angles. Also providing of wedge type Plates in between the Rail and MS Plate for proper leveling of Rail along with Wheels duly aligned with the System. Fixing of old clamping Plates, wherever possible suitably.

Complete civil work for repairing the worn out civil path for support of anchor bolts and to withstand with the load of rail.

Repairing of wheel by removing from shaft & loaded to tempo for cutting of wheel on dia. to make the size smooth which was uneven due to wear and tear while running on rail track.

Fixing of complete Bearing Block along with Wheels and other allied accessories, etc duly aligned with Chain Sprocket, etc

Removal of Jacks, Packing, etc from the System carefully without damaging the existing system.

Satisfactory testing & trial run.

Fabrication of fibre shed on motor and gear box and starter of flocculator and bridge drive as per requirement of site.

Devraj Enterprises

M G Traders and Engineers

Jal Dhara Engineers India