Ballast Water Treatment System (BWTS)

Ballast Water Treatment System (BWTS) is designed to remove and destroy/inactive biological organisms from ballast water. There are three methods to treating ballast water; mechanical, physical or chemical. Mechanical methods would include separation and filtration; physical methods include ozone, electrical currents, or UV radiation, while chemical solutions are biocides or a form of chlorination. The BWMS convention aims to prevent the spread of harmful aquatic corganisms from one region to another and halt damage to the marine environment from ballast water discharge, by minimizing the uptake and subsequent discharge of sediments and organisms. Ferscom marine service specialized to integration of physical and chemical technology of BWTS (ballast water treatment system) into the fleets.

  Selection of ballast water treatment system

In order to comply with IMO BWMC and current USCG regulations regarding discharge of ballast water requires to be treated to prevent the spread of harmful living organisms at the port.The below listed characters to be considered to select the right technology.

Selection ballast water treatment system

1. Type approval of the system

2. Treatment rated Capacity

3. Specific operational procedure.

4. Installation Location.

5. Vessel type

6. Vessel specific features

7. Availability of space

8. Capital and operating costs

9. Power availability onboard to run the system

 Design and detailed engineering

Ferscom marine service’s detailed engineering scope inclusive of
1.  Basic Engineering
2.  Detailed piping design (3D Modelling)
3.  BWTS equipment foundation design
4.  Production drawing (Isometric piping drawing )
5.  Electrical Design.
    • Power distribution drawing
    • Selection of circuit breaker.
    • Electrical Load analysis
6.  Class submission documents
7.  List of Existing (structure and piping) modification
8.  Material takes of list
    • Piping MTO
    • Valve list
    • Cable list
9.  Shipyard scope of work

 BWTS Retrofit Guidelines

BWTS Retrofit Guidelines has been included in the engineering package to optimize the installation of BWTS (mechanical / existing modification (piping & Structural) / electrical). This document helps the shipyard / owner to estimate the overall job scope and used as an installation guide for the BWTS integration.

Ferscom marine service BWTS Retrofit Guidelines inclusive of :-
  • Shipyard scope of work
  • BWTS Installation guide for the shipyard
  • Owner scope of work
Shipyard scope of work
  1. Vessel particulars
  2. Ballast piping specification
  3. Piping material and Flange standard
  4. Structural material
  5. Ballast water treatment system specifications
  6. Integrated BWTS Ballast piping diagram with vessel system (P&ID)
  7. BWTS General Arrangement
  8. BWTS equipment machinery arrangement
  9. BWTS Piping Arrangement
  10. Isometric Pipe spool drawing
  11. BWTS equipment foundation drawings
  12. Electrical single line diagram
  13. BWTS Electrical termination diagram
  14. Existing Piping Modification
  15. Onsite modification
  16. Ancillary piping tie-in points
  17. Material takes of list
  18. Site run pipeline list
  19. Main Ballast piping list
BWTS Installation guide for the shipyard
  1. Specific notes and consideration subjected to the installation
  2. Pre-fabrication pipe spools list
  3. On-site spool fill-up and tie-in modification
  4. BWTS Equipment lifting and handling guide
  5. Installation guide for the new pipeline
Owner scope of work
  1. Supply of Valves
  2. Supply of Cables
  3. Supply of Instrument
  4. Owner shall arrange the maker support for the following interface with the vessel system
  5. for the BWTS abnormal Alarm integration with vessel AMS system.
  6. for the integration of existing ballast valve position from VRCS to BWMS.
  7. Ballast pump running signal feedbacks ( if any )
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