The international Sewage Pollution Prevention Certificate
Keeping the coastal seas clean
It is back to the environmental relatated certificates again after the diversion into HSSC. So far oil and noxious liquids have been covered, both with their own Annex within MARPOL, and this post’s topic also has its own Annex, Sewage.
Why is it required?
It is required by MARPOL Annex IV- Regulations for the Prevention of Pollution by Sewage from Ships
What is sewage?
” .1 drainage and other wastes from any form of toilets and urinals;
.2 drainage from medical premises (dispensary, sick bay, etc.) via wash basins, wash tubs and scuppers located in such premises;
.3 drainage from spaces containing living animals; or
.4 other waste waters when mixed with the drainages defined above.”
MARPOL Annex IV Regulation 1 – Definitions
What ships require the certificate?
Ships engaged in international voyages that are 400 gross tonnage and above orf less than 400 gross tonnage which are certified to carry more than 15 persons.
How long does the certificate last?
For a period specified by the Administration which shall not exceed five years.
When the renewal survey is completed within three months before the expiry date of the existing Certificate, the new Certificate shall be valid from the date of completion of the renewal survey to a date not exceeding five years from the date of expiry of the existing Certificate.
When the renewal survey is completed after the expiry date of the existing Certificate, the new Certificate shall be valid from the date of completion of the renewal survey to a date not exceeding five years from the date of expiry of the existing Certificate.
What equipment is covered by the certificate?
Sewage treatment plant
Shore discharge pipeline and connection
What is shown on the certificate?
- Name of ship
- Distinctive number or letters
- Port of registry
- Gross tonnage
- Number of persons which the ship is certified to carry
- IMO Number
- New/existing ship
- Build date
Description of the sewage treatment plant:
- Type of sewage treatment plant
- Name of manufacturer
Description of comminuter:
- Type of comminuter
- Name of manufacturer
- Standard of sewage after disinfection
Description of holding tank:
- Total capacity of the holding tank
A pipeline for the discharge of sewage to a reception facility, fitted with a standard shore connection.
Completion date of survey on which this Certificate is based
“Regulation 9 – Sewage Systems
1 Every ship which, in accordance with regulation 2, is required to comply with the provisions of this Annex shall be equipped with one of the following sewage systems:
.1 a sewage treatment plant which shall be of a type approved by the Administration, taking into account the standards and test methods developed by the Organization,1 or
.2 a sewage comminuting and disinfecting system approved by the Administration. Such system shall be fitted with facilities to the satisfaction of the Administration, for the temporary storage of sewage when the ship is less than 3 nautical miles from the nearest land, or
.3 a holding tank of the capacity to the satisfaction of the Administration for the retention of all sewage, having regard to the operation of the ship, the number of persons on board and other relevant factors. The holding tank shall be constructed to the satisfaction of the Administration and shall have a means to indicate visually the amount of its contents.”
MARPOL Annex IV
Note: A Comminutors are used to reduce the particle size of wastewater solids.
What does it certify?
That the ship is equipped with a sewage treatment plant/comminuter/ holding tank and a discharge pipeline in compliance with regulations 9 and 10 of Annex IV of MARPOL.
That the ship has been surveyed in accordance with regulation 4 of Annex IV of MARPOL.
That the survey shows that the structure, equipment, systems, fittings, arrangements and material of the ship and the condition thereof are in all respects satisfactory and that the ship complies with the applicable requirements of Annex IV of MARPOL.
What Surveys are required?
An initial survey before the ship is put in service or before the Certificate is issued for the first time
A renewal survey not exceeding five years
An additional survey after any important repairs or renewals are made.