ISO 8504-5

Preparation of steel substrates before application of paints and related products — Surface preparation methods — Part 5: Water jet cleaning

This part of ISO 8504 specifies water jet cleaning methods for the preparation of steel surfaces before coating with paints and related products. The document contains information on the parameters which can be varied for effectiveness

Préparation des subjectiles d'acier avant application de peintures et de produits assimilés — Méthodes de préparation des subjectiles — Partie 5: Nettoyage au jet

General Information

• Status: Not Published
• ICS: 25.220.10 - Surface preparation
• Technical Committee: ISO/TC 35/SC 12 - Preparation of steel substrates before application of paints and related products
• Drafting Committee: ISO/TC 35/SC 12 - Preparation of steel substrates before application of paints and related products
• Current Stage: 6000 - International Standard under publication
• Completion Date: 17-Jul-2024

Standards Content (Sample)

FINAL DRAFT
International
Standard
ISO/FDIS 8504-5
ISO/TC 35/SC 12
Preparation of steel substrates
Secretariat: BSI
before application of paints
Voting begins on:
and related products — Surface
2024-05-21
preparation methods —
Voting terminates on:
2024-07-16
Part 5:
Water jet cleaning
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
Reference number
ISO/FDIS 8504-5:2024(en) © ISO 2024

FINAL DRAFT
ISO/FDIS 8504-5:2024(en)
International
Standard
ISO/FDIS 8504-5
ISO/TC 35/SC 12
Preparation of steel substrates
Secretariat: BSI
before application of paints
Voting begins on:
and related products — Surface
preparation methods —
Voting terminates on:
Part 5:
Water jet cleaning
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
© ISO 2024
IN ADDITION TO THEIR EVALUATION AS
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
or ISO’s member body in the country of the requester.
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland Reference number
ISO/FDIS 8504-5:2024(en) © ISO 2024

ii
ISO/FDIS 8504-5:2024(en)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Health and safety . 2
4.1 General requirements .2
5 Consideration of water jetting pressure and flow parameters . 2
5.1 General .2
5.2 Methods .2
5.2.1 General .2
5.2.2 Cleaning with low-pressure water (LP WC) .3
5.2.3 Cleaning with high-pressure water (HP WC) .3
5.2.4 Cleaning with high-pressure water jetting (HP WJ) .3
5.2.5 Cleaning with very high-pressure water jetting (VHP WJ) .3
5.2.6 Cleaning with ultra high-pressure water jetting (UHP WJ) .4
6 Components . 4
6.1 General .4
6.2 Pump . .5
6.3 Hose and fittings .5
6.4 Water path .5
6.5 Vacuum recovery .5
6.6 Water quality .5
6.7 Manual guns .5
6.8 Remote gun or wall - deck cleaning heads .5
6.9 Nozzle .6
6.10 Containment (management of water) .6
7 Systems . 6
7.1 Continuous system .6
7.2 Pulsed (disrupted) system .6
8 System operation . 6
8.1 General .6
8.2 Interactive parameters for productivity .7
8.3 Additives .7
8.4 Maintenance coating work .8
8.5 Maintenance of pump .8
8.6 Pressure drop in the hydraulic system .8
8.7 Positioning of the gun.8
9 Procedure . 8
9.1 Preparation before water jetting .8
9.2 During water jetting .9
9.2.1 Selection of initial condition .9
9.2.2 Selection of preparation grade .9
9.2.3 Selection of water jetting method .9
9.2.4 Selection of water jetting system .9
9.3 After water jetting and before applying coatings .9
10 A ssessment of the cleaned surface . 9
10.1 Selection of preparation grade .9
10.2 Field test .9
10.3 Organic contaminants . .10
10.4 Visual .10

iii
ISO/FDIS 8504-5:2024(en)
10.4.1 Visual assessment of preparation grade .10
10.4.2 Flash rust .10
10.5 Non-visible inorganics contaminants .10
10.6 Third-party representation .10
10.7 Conformity .10
Annex A (normative) Pressure levels .11
Annex B (informative) High-pressure /Ultra high-pressure water jetting: theoretical and
practical information .12
Annex C (informative) Flash rust guidance. 14
Bibliography .
...

Formatted: Centered
ISO/FDIS 8504--5(E:2024(en)
Style Definition: Heading 1: Indent: Left: 0 cm, First
line: 0 cm, Tab stops: Not at 0.76 cm
First edition
Style Definition: Heading 2
Style Definition: Heading 3
ISO/TC 35/SC 12
Style Definition: Heading 4
Secretariat: BSI
Style Definition: Heading 5
Date: 2024-05-06
Style Definition: Heading 6
Style Definition: Default Paragraph Font
Preparation of steel substrates before application of paints and related products — Surface
Style Definition: ANNEX
preparation methods — Part 5: Water jet cleaning
Style Definition: AMEND Terms Heading
Part 5:
Style Definition: zzCopyright: Font color: Custom
Water jet cleaning
Color(RGB(0;51;204))
Style Definition: zzSTDTitle: Font color: Custom
Color(RGB(0;51;204))
Style Definition: zzCover: Font: Bold
Style Definition: AMEND Heading 1 Unnumbered
Style Definition: IneraTableMultiPar: Font: Not Bold
Formatted: French (Switzerland)
Formatted: Left
Formatted: Footer distance from edge: 0.5 cm,
Different first page header
Formatted: French (Switzerland)
Formatted: French (Switzerland)
Formatted: French (Switzerland)
Formatted: Don't adjust space between Latin and Asian
text, Don't adjust space between Asian text and numbers
Formatted: Centered
ISO/FDIS 8504-5:2023(E)
Formatted: Font: Not Bold
Formatted
Formatted: Default Paragraph Font
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this
publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical,
including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can
be requested from either ISO at the address below or ISO’sISO's member body in the country of the requester.
ISO copyright officeCopyright Office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Formatted: English (United Kingdom)
Formatted: English (United Kingdom)
Phone: + 41 22 749 01 11
Formatted: English (United Kingdom)
E-mail: [e-mail]
Email: [e-mail]
Website: www.iso.orgwww.iso.org
Formatted: English (United Kingdom)
Formatted: English (United Kingdom)
Published in Switzerland.
Formatted: English (United Kingdom)
Contents
Foreword . v
Introduction . vi
Part 5: Water jet cleaning . 1
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Health and safety . 2
4.1 General requirements . 2
4.1.1 Warning . 2
5 Consideration of Water Jetting Pressure and Flow Parameters . 2
5.1 General . 2
5.2 Methods. 2
5.2.1 Cleaning with low pressure water (LP WC) . 3
5.2.2 Cleaning with high-pressure water (HP WC) . 3
5.2.3 Cleaning with high-pressure water jetting (HP WJ) . 3
5.2.4 Cleaning with very high-pressure water jetting (VHP WJ) . 4
5.2.5 Cleaning with ultrahigh-pressure water jetting (UHP WJ) . 4
6 Components . 4
6.1 General requirements . 4
6.2 Pump . 5
6.3 Hose and fittings . 5
ii © ISO 2023 – All rights reserved

ISO/FDIS 8504-5:2023(E2024(en)
Formatted: Font: 11.5 pt
Formatted: Centered
Formatted: Font: Not Bold
6.4 Water path . 5
Formatted: Font: 11.5 pt
6.5 Vacuum recovery . 5
6.6 Water quality . 5
6.7 Manual guns . 5
6.8 Remote gun or wall - deck cleaning heads . 5
6.9 Nozzle. 6
6.10 Containment (Management of Water) . 6
7 Systems . 6
7.1 Continuous System . 6
7.2 Pulsed (disrupted) System . 6
8 System Operation . 6
8.1 Interactive Parameters For Productivity . 7
8.2 Additives . 7
8.3 Maintenance Coating Work . 8
8.4 Maintenance of pump . 8
8.5 Pressure Drop in the hydraulic System . 8
8.6 Positioning of the gun . 8
9 Procedure . 8
9.1 Preparation before water jetting . 8
9.2 During Water Jetting . 8
9.2.1 Selection of Preparation Grade . 8
9.2.2 Selection of Water Jetting Method . 9
9.2.3 Selection of Water Jetting System . 9
9.3 After Water Jetting and Before Applying Coatings . 9
10 Assessment of the cleaned surface . 9
Annex A (normative) Pressure levels . 11
Annex B High-pressure /UltraHigh-pressure Water Jetting: Theoretical and Practical Information . 12
Annex C Flash Rust Guidance . 14
Bibliography . 15
Formatted: Font: 9 pt
Formatted: Font: 9 pt
Formatted: Font: 9 pt
Formatted: Normal, Centered, Space After: 24 pt, Tab
stops: 17.2 cm, Right
reserved
iii
ISO/FDIS 8504-5:2023(E)
Formatted: Font: Not Bold
Contents
Foreword . vi
Introduction . vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Health and safety . 2
4.1 General requirements . 2
5 Consideration of water jetting pressure and flow parameters . 2
5.1 General . 2
5.2 Methods. 3
5.2.1 General . 3
5.2.2 Cleaning with low-pressure water (LP WC) . 3
5.2.3 Cleaning with high-pressure water (HP WC) . 3
5.2.4 Cleaning with high-pressure water jetting (HP WJ) . 3
5.2.5 Cleaning with very high-pressure water jetting (VHP WJ) . 4
5.2.6 Cleaning with ultra high-pressure water jetting (UHP WJ) . 4
6 Components . 4
6.1 General . 4
6.2 Pump . 5
6.3 Hose and fi
...