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| 1 | REPLACEMENT OF BOTTOM DOOR SEAL ( L=5587 mm; W=3205 mm; arrangement drawing attached. Spares Ship supply ) |
| 2 | Bottom doors to be lowered with the help of ship’s power pack on the wooden blocks after removal lock pins;Note: Bottom doors are to be tested individually with hydraulic power packs and chalk test to be carried out for perfect contact of seal shall be covered in Firm\"s Scope. |
| 3 | Bottom door rubber packing to be renewed(Rubber packings ship supply) |
| 4 | The wasted and thinned down portion of bottom door cone and steel plates around bottom door opening on the ship’s hull to be renewed |
| 5 | Building up of cast steel portion of bottom doors and seat area on the hull with low hydrogen electrodes. |
| 6 | Removal of Bottom Doors from hinges (2 hinges in 1 bottom door) (spares ship supply) |
| 7 | Removal of old pins& bushes which connects bottom door with RAM |
| 8 | Installation of new set of pins & bushes(1 Set = 1 Pin + 3 Bushes) |
| 9 | Removal of old pins& bushes where the door is hinged from the hull (1 Set = 2 Hinges = 2 Pins + 6 Bushes) |
| 10 | Refittment of bottom door on the hinges |
| 11 | TREPLACEMENT OF DREDGE SUCTION PIPES - PORT & STBD SIDE |
| 12 | Fabrication of 20mm thick pipe of ID 800mm inside Tank |
| 13 | Removal of old pipe and installation of new pipes/Bends/Y Pipes (Arrangement Drawing and Pipe Details attached) |
| 14 | Flanges are loose in condition, to fit insitu,Full weld ,remove and attach Rubber packing and fasten with Nut and Bolts. |
| 15 | Note: Removal and refitment of Supporting Stands and other fitments from old pipes .these fiitings are to be welded on new pipe; Pure Neoprene Rubber Gaskets (8mm/10 mm ) for Pipes are covered in Contractors Scope; |
| 16 | Cutting of WT bulkhead for removal of pipes and welding the same after installation of new pipes |
| 17 | RENEWAL OF SUCTION TUBE PARTS |
| 18 | Inner wear ring suction tube slide piece to be renewed (P & S) (spares Ship supply) |
| 19 | Renewal of fork arm pipe (P & S) |
| 20 | SECURING OF THE OVERFLOW DUCT |
| 21 | BottomFlange Connection to be Inspected,if flange holes are worn out same to be cropped and renewed.(Nut & Bolts Ship Supply)( Approx Size : 50 mm thk x 300 mmdia ) |
| 22 | Bottom Cross Supports(Foundation Flat Bars) to be inspected,if Worn out/Damage same to be cropped and renewed. |
| 23 | Overflow Duct System Rubber Lip Seal and retaining rings to be renewed.(Ship Supply) |
