Waste Disposal (Paint and Hazardous Liquids)
Waste Disposal.
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On construction site the disposal of building waste including paint and hazardous materials and liquids should be cover at your site induction toolbox talk.
At this time information advising the location areas of the disposal facilities should be included.
Checks should be made with the local authorities regarding the local facilities and regulations for commercial and domestic wastage.
Under no circumstances should paint products be disposed of into the nation water drainage system.
Part used paint containers should be filled with either sand or sawdust to consolidate the liquid and allow to dry be for disposal.
Dirty solvent (white spirit etc.) is classified as hazardous and should labelled according as this type of product can be reclaimed.
Tips
Part tins of water based paints are available they could be offered to a local community organisation. https://communityrepaint.org.uk/
Dirty solvents. After washing out brushes/rollers sleeves the solvent can be reclaimed for future use by transferring into a larger container. Once the solids have settled to the bottom the solvent can be syphoned off and reused.
A number of decorators merchants such as Johnstone Paints, Dulux and Crown Decorating Centre offer facilities where they will
take back used paint containers. Check local branch for terms and conditions.
Site Signage
Site Signage
Warning Signs. Yellow triangle with a Black border to alert of all possible dangers on site.
Mandatory Signs. Blue and White and must be obeyed i.e. Hard hats and footwear must be worn.
Prohibition Signs. Red circle with a Red line with Black images with White text on a Red background.
Safe Working Conditions Signs. Rectangular Green signs with White writing giving general information relating to First aid - Assembly points and First aid stations
Fire Equipment Signs. Red rectangular with White wording.
Note: Safety is the responsibility of all site personnel and if any unsafe observations are noted then immediate action in notifying line managers or resident H&S Officer should be made.
Site Testing Equipment
Site Testing Equipment. Under Construction.
Site testing equipment should be appropriate for the work in hand and can vary from a standard moisture meter to those require to check the paint system used, film thickness and adhesion.
Pinhole detector see: Glossary of Terms Decorators. https://www.elcometer.com/coatings-inspection/all-coatings-inspection/pinhole-porosity-detection.html
Dry Film Thickness Gauge see:: Glossary of Terms Decorators. https://www.elcometer.com/en/coatings-inspection/all-coatings-inspection/dry-film-thickness/digital/elcometer-456-separate-coating-thickness-gauge.html
MDF Adhesion of applied Coatings
MDF Adhesion Problems
Cause
Paraffin wax is often used in the manufacture of MDF to improve the water resistant properties.
Some of the wax treatment can remain on the surface and can affect the adhesion of primer coating when applied without any form of preparation.
Lightly sand down and wipe over with Methylated Sprit and allow to dry.
Check that the selected paint manufactures priming coat is suitable and if necessary apply to a prepared to check the adhesion.
Site Induction
Site Induction, is carried out to ensure all personnel working on the the site is familiar with the Health and Safety requirements.
Health and Safety Induction Checklist
Induction & Method signing register SITE example
