Lead bricks painting General procedure and its practical application 04 October 2017 Letizia Di Giulio - EP Safety Office

Letizia Di Giulio - EP Safety Office The problem At CERN almost all lead bricks need to be painted (dangerous oxidation dust) External companies very expensive No internal service organised by CERN SMB contractor: 46 euros/brick Need for an immediate and not too expensive solution! 04 October 2017 Letizia Di Giulio - EP Safety Office

Letizia Di Giulio - EP Safety Office The proposed solution Procedure to allow experiments to safely paint the lead bricks (EDMS 1697818) Implementation safety measures Proposed conform location Proposed and tested specific paint (SDS checked) Everything validated by HSE! 04 October 2017 Letizia Di Giulio - EP Safety Office

The EP procedure Each experiment: time and cost of the paint! Activity is scheduled and approved using IMPACT 04 October 2017 Letizia Di Giulio - EP Safety Office

Letizia Di Giulio - EP Safety Office The proposed location Paint booth in 167/R-015 (coactivity to manage) Added curtains around and RP floor covering 04 October 2017 Letizia Di Giulio - EP Safety Office

PPE & monitoring Safety mask with filter (fit test done) Protective gloves Tyvek coveralls Safety shoes and shoe covering More PPE depending on SDS! Air monitoring for lead dust (3 monitors, no issues) 04 October 2017 Letizia Di Giulio - EP Safety Office

Letizia Di Giulio - EP Safety Office Conclusions GIF++ experiment painted 200 lead bricks in two weeks CMS painted over 500 bricks in three weeks Good result and no issues Paint your bricks! 04 October 2017 Letizia Di Giulio - EP Safety Office

Thanks for your attention! 04 October 2017 Letizia Di Giulio - EP Safety Office