Www.safinah.co.ukNPCA081 Implementing The Paint Specification in the Performance Standard for Protective Coatings NPCA Virginia Beach June 08.

www.safinah.co.uk NPCA08 1

Implementing The Paint Specification in the Performance Standard for Protective

Coatings

NPCA

Virginia Beach

June 08


Objective

To provide a review of the requirements as laid out in the IMO PSPC and highlight important aspects


The Parties Involved at present

Productivity/

Environment

Shipyard Ship-owner

Performance

Coating supplier


The Parties Involved

A paint specification is in many ways a compromise:

– It has to meet with the yards building procedures, environmental and productivity requirements

– The shipyard is the customer of the coating manufacturers and they have to be competitive on standards as well as price

– It has to match the paint suppliers product range.

The PSPC is in effect making the compromise redundant


Coating Performance Standard Review

The Performance Standard for Protective Coatings (PSPC) provides the technical requirements for protective coatings in dedicated sea water ballast tanks of all types of ships of 500 gt and greater and double sided skin spaces on bulk carriers of 150m and greater in length.

It will be mandatory and is intended to be included as amendments to SOLAS regs II-1/3-2 and XII/6

It is also recommended to be applied where possible to items, not integral to the structure e.g. ladders, platforms – Permanent means of access


Tip of the iceberg

A family of regulations– PSPC– Permanent means of access– Cargo tanks– Maintenance

These will change the current compromise solutions



Aims of the PSPC

– to provide a 15 year life for ballast tank coatings over which it is defined as in being ‘good’ condition.

– ‘Good’ condition is defined in resolution A.744(18) and is “ condition with only minor rust spotting”( Note: this is different to IACS definition)

– Better coating systems with reduced maintenance

– Improved safety at sea



Aims of the PSPC



Aims of the PSPC



Entry into force

The proposals will apply to the aforementioned types of vessels:

– For which the building contract is placed on or after 1st July 2008, or

– In the absence of a building contract, the keels of which are laid or which are at a similar stage of construction on or after 1st January 2009, or

– The delivery of which is on or after 1st July 2012



Entry into force

However IACS are applying the proposals on ratification to tankers ( L > 150m) and bulkers (L > 90m) under the Common Structural Rules (CSR) for contracts signed from December 8th 2006

It is expected that the first new building classed under the above rules will begin building in the second half of 2007


The Parties Involved

Productivity

Performance

Shipyard Ship-owner

?

Coating supplier

Classification Soc.



Main Elements of the PSPC:

– Design of a specification and coating system

– Coating System approval

– Definition of inspection procedures

– Production of a Coating Technical File (CTF) which records all aspects of the process

– Verification of compliance


The Paint Specification

The paint specification is at the heart of the PSPC and covers:– Primary and Secondary surface preparation standards– Steel profile range– Cleanliness of surfaces prior to coating– Soluble salt limits– Steel condition– Thickness and number of coats– Environmental conditions allowed



The paint specification applies to the coating system that has been selected

Selection of the coating system takes into account the service conditions and planned maintenance

All coatings to be epoxy based or equivalent and consist of multi-coat systems of contrasting colour

The top coat to be a light colour



All coatings to be pre-qualified by:– A method corresponding to a specified test procedure or

equivalent ( now Annex 1), cross test with shop primer or…– Documented field exposure with a final condition of “GOOD”

after 5 years

Non Annex 1 test must show equivalent testing procedures and needs.

A Statement of Compliance or Type Approval Certificate to be issued by a third party - independent of the coating manufacturer



The paint specification covers all the processes and defines the standards from:

Shop Primer Application

Block Painting

Post Erection Repairs



• The painting process at each stage can be separated into the following simple processes:

– Cleaning the surface

– Preparing the surface

– Coating the surface



The main elements of the specification in the PSPC are already being carried out in many shipyards and have been for a number of years

The main items that are new are :

– A Coating Technical File has to be produced by the shipyard

– All inspectors are to be qualified to a recognised standard

– Increased inspection and prescriptive inspection and data collection

– Audit by class

www.safinah.co.uk NPCA08 54www.safinah.co.uk 54

Suggested table of contents and responsibilities for New build

YARD– A statement of agreement

between Owner/yard and paint company for this contract

– Paint specification as issued by yard including key criteria and data sheets

– A summary or full log of work carried out by yard/coating inspector - one for each tank and Non-conformity/repair summary log for each tank - including verified inspection reports

– Statement of conformance

– Copy of type approval certificate or statement of compliance

– Yard procedures (for inspection and repair) audit certificate from class (includes application ).

Paint Company– Planned maintenance

procedures for in service

Class Soc.– Sign off as approved

www.safinah.co.uk NPCA08 55www.safinah.co.uk 55

Suggested table of contents and responsibilities for in service

Ship owner– Maintenance log– Inspection log– Condition log– Class inspection log


Ambiguities

There are many ambiguities in the standard:– Salt measurement– 90:10 rule– Area judgement and other subjective elements– CTF detail and content– Products approved through testing – will they last 15 years target

life– What happens if they do not

There are some guidelines– PR34 from IACS– IACS guidance notes

Maintenance requirementsCosts of implementationIACS members not acting in harmony – adding costs


Conclusions

Needs a bedding in period

Needs a cool and calm interpretation

In the wrong hands can considerably add to costs.

Places a clear increased burden on yards

It is going to get worse before it gets better.

Www.safinah.co.ukNPCA081 Implementing The Paint Specification in the Performance Standard for Protective Coatings NPCA Virginia Beach June 08.

Documents

pspc slide

coating manufacturer

paint specification

surface coating

surface slide

sea slide

coating manufacturers

compromise redundant