Chapter 4: Prevention of Pollution by sewage from ships (Part IIA)

Chapter summary:

In Arctic waters, discharges of sewage are prohibited except when performed in accordance with MARPOL Annex IV. This chapter contains important geographical delimitations for discharges where approved sewage treatment plants are in operation. See full text of Chapter 4 below.

Submissions

Hyperlink: IMO Polar Code
Follow this link for DNV GL’s guide to the Polar Code Document ‘Maritime Polar Code: Understand the Code’s requirements to take the right steps for smooth compliance’. For Part IIA, Chapter 4, see page 30.

See also:

Hyperlink 1: https://1bps6437gg8c169i0y1drtgz-wpengine.netdna-ssl.com/wp-content/uploads/2019/06/MEPC-72-INF.7-An-assessment-of-ballast-water-treatment-to-protect-Arctic-waters-FOEI.pdf
This is an assessment of ballast water treatment to protect Arctic waters. This document offers in the annex a comprehensive analysis of shipboard ballast water management system performance, based on available data.

Hyperlink 2: https://1bps6437gg8c169i0y1drtgz-wpengine.netdna-ssl.com/wp-content/uploads/2019/06/MEPC-73-INF.24-Vessel-biofouling-and-bioinvasions-in-Arctic-waters-FOEI.pdf
This is a paper on vessel biofouling and bioinvasions in Arctic waters. Friends of the Earth offers an independent report, set forth in the annex, that provides findings and recommendations concerning vessel coatings and the protection of Arctic waters from bioinvasions.

Hyperlink 1: The Polar Code: A Regulatory Interpretation Guide
This document provides Loyd's Register guidance on all aspects of the Polar Code (chapter by chapter). For Part IIA Chapter 4, see pages 81 to 82.

Hyperlink 2: Meeting the Polar Code on 1 January 2017: Guidance for Existing Ships (Part IIA)
This document includes information on what steps operators need to take to ensure compliance when operating in polar waters on or after 1 January 2017, when the Polar Code entered into force.

Lloyd's website

Hyperlink 1: Northern Sea Route – Best practices and Challenges (2017)
For Chapter 4, see pages 3-4, and 14.

Hyperlink 2: Offshore Vessel Operations In Ice and or Severe Sub Zero Temperatures in Artic and Sub Artic regions (2014).
The purpose of this paper is to provide guidance to operators and charterers of offshore support vessels employed for use in areas impacted by ice or severe sub-zero temperatures with the aim of encouraging high standards of safety and environmental protection for those operating in Arctic and Sub-Arctic regions.

Hyperlink: https://www.ust.is/the-environment-agency-of-iceland/
The Environment Agency operates under the direction of the Ministry for the Environment. It's role is to promote the protection as well as sustainable use of Iceland’s natural resources, as well as public welfare by helping to ensure a healthy environment, and safe consumer goods. The Agency is responsible for implementing the MARPOL convention.

Hyperlink: https://community.wmo.int/technical-regulations-and-guidance

WMO provides its guidance documents to support shipping in the Arctic Waters.

  • The WMO No. 558 Manual on the Marine Meteorological Services is designated to facilitate cooperation in respect of the international coordination of marine meteorological services (MMS); to specify obligations of Members in the implementation of MMS; and to ensure uniformity in the practices and procedures employed in achieving these.
  • The WMO No. 471 Guide to the Marine Meteorological Services is to describe the requirements for the various types of service; to explain the rationale for the agreed methods of providing services; and to give guidance on how to set up and maintain marine meteorological services.
  • The WMO No. 574 ‘Sea Ice Services in the World’ contains a description of sea ice, methods of observation and the basis of ice information services; It also lists the sea-ice information services of 17 countries according to region, describing organization, data acquisition, output products and forecasts, and giving details of publications and postal addresses.
  • The WMO No. 259 Sea Ice Nomenclature provides snapshot of the WMO Sea Ice Nomenclature.

    WMO website

PART IIA: CHAPTER 4 – PREVENTION OF POLLUTION BY SEWAGE FROM SHIPS: Full Polar Code text

As adopted from IMO - Full Polar Code text

4.1 Definitions

  • 4.1.1 Constructed means a ship the keel of which is laid or which is at a similar stage of construction.
  • 4.1.2 Ice-shelf means a floating ice sheet of considerable thickness showing 2 to 50 m or more above sea-level, attached to the coast.
  • 4.1.3 Fast ice means sea ice which forms and remains fast along the coast, where it is attached to the shore, to an ice wall, to an ice front, between shoals or grounded icebergs.

4.2 Operational requirements

  • 4.2.1 Discharges of sewage within polar waters are prohibited except when performed in accordance with MARPOL Annex IV and the following requirements:
    • .1 the ship is discharging comminuted and disinfected sewage in accordance with regulation 11.1.1 of MARPOL Annex IV at a distance of more than 3 nautical miles from any ice-shelf or fast ice and shall be as far as practicable from areas of ice concentration exceeding 1/10; or
    • .2 the ship is discharging sewage that is not comminuted or disinfected in accordance with regulation 11.1.1 of MARPOL Annex IV and at a distance of more than 12 nautical miles from any ice-shelf or fast ice and shall be as far as practicable from areas of ice concentration exceeding 1/10; or
    • .3 the ship has in operation an approved sewage treatment plant certified by the Administration to meet the operational requirements in either regulation 9.1.1 or 9.2.1 of MARPOL Annex IV, and discharges sewage in accordance with regulation 11.1.2 of Annex IV and shall be as far as practicable from the nearest land, any ice-shelf, fast ice or areas of ice concentration exceeding 1/10.
  • 4.2.2 Discharge of sewage into the sea is prohibited from category A and B ships constructed on or after 1 January 2017 and all passenger ships constructed on or after 1 January 2017, except when such discharges are in compliance with paragraph 4.2.1.3 of this chapter.
  • 4.2.3 Notwithstanding the requirements of paragraph 4.2.1, category A and B ships that operate in areas of ice concentrations exceeding 1/10 for extended periods of time, may only discharge sewage using an approved sewage treatment plant certified by the Administration to meet the operational requirements in either regulation 9.1.1 or 9.2.1 of MARPOL Annex IV. Such discharges shall be subject to the approval by the Administration.