<p>Coatings Solutions Explosion Protection Document Page 1 of 5 </p><p>Risk assessment for plant: Oven room R 7</p><p>Plant section Proc. Orig. A-measure1) Rem. Zone Ignition I-measure2)/ Note: Mat’ls temp. zone zone expansion sources C-measure3) Continuous-flow 1 - 5 <160°C 0 AV, 2*) Entire IE1 Floors R<108  *) Operating drier, dilution below vapour Footwear anti- conditions pre-drier 10% LEL space incl. static are outside > 1 m³ exhaust air Metals R<106  zone interior, apart unit Plastic surfaces definition from initiator <100 cm² housing area Plastic containers < 60 l IH1 Drying temperature limited to 160°C (> limit temperature) IH3 Conveyor systems with relative speeds < 1 m/s IH4 Shaft bearings subject to preventive maintenance 1)Measure to limit the probability of an explosive Atmosphere occurring Page 1 of 5 2)Measure to avoid effective Ignition sources 3)Design-based explosion protection measure, where effective ignition sources cannot be reliably ruled out Plant section Proc. Orig. A-measure1) Rem. Zone Ignition I-measure2)/ Note: Mat’ls temp. zone zone expansion sources C-measure3) (cont.) IS1 Electrical Continuous-flow equipment drier, installed outside pre-drier zone > 1 m³ IS2 See IH3/IH4 interior, apart CP not required from initiator because of housing area dilution < 10% LEL Initiator housing 1 - 5 <160°C 0 AD, NEX pre-drier, interior no penetration of atmosphere possible because of cast enclosure UV zone, interior 1 - 5 <160°C 0 AV, 2*) Entire IE1 Floors R<108  *) Operating except dilution below 10% vapour Footwear anti- conditions initiator housing, LEL space incl. static are outside UV lamp housing, exhaust air Metals R<106  zone microwave unit Plastic surfaces definition detector housing <100 cm² and lighting Plastic containers housing < 60 l IH1 Drying temperature limited to 160°C (> limit temperature)</p><p>1)Measure to limit the probability of an explosive Atmosphere occurring Page 2 of 5 2)Measure to avoid effective Ignition sources 3)Design-based explosion protection measure, where effective ignition sources cannot be reliably ruled out Plant section Proc. Orig. A-measure1) Rem. Zone Ignition I-measure2)/ Note: Mat’ls temp. zone zone expansion sources C-measure3) (cont.) IH3 Conveyor UV zone, interior systems with except relative speeds initiator housing, < 1 m/s UV lamp housing, microwave detector housing and lighting CP not required housing because of dilution < 10 % LEL Initiator housing 1 - 5 < 160 0 AD, NEX UV zone, °C no penetration of interior atmosphere possible because of cast enclosure Lighting housing, 1 - 5 <160°C 0 AV, NEX interior dilution below 10% LEL </p><p>AP, forced-ventilated lamp housing with air monitoring</p><p>1)Measure to limit the probability of an explosive Atmosphere occurring Page 3 of 5 2)Measure to avoid effective Ignition sources 3)Design-based explosion protection measure, where effective ignition sources cannot be reliably ruled out Plant section Proc. Orig. A-measure1) Rem. Zone Ignition I-measure2)/ Note: Mat’ls temp. zone zone expansion sources C-measure3) UV lamp housing, 1 - 5 <160°C 0 AV, NEX interior dilution below 10% LEL </p><p>AP, forced-ventilated lamp housing with air monitoring Microwave 1 - 5 <160°C 0 AV, NEX detector housing, dilution below 10% interior LEL </p><p>AP, forced-ventilated lamp housing with air monitoring Final drier, 1 - 5 <160°C 0 AV, 2*) Entire IE1 Floors R<108  *) Operating interior, except dilution below 10% vapour Footwear anti- conditions initiator housing LEL space incl. static are outside exhaust air Metals R<106  zone unit Plastic surfaces definition <100 cm² Plastic containers < 60 l</p><p>1)Measure to limit the probability of an explosive Atmosphere occurring Page 4 of 5 2)Measure to avoid effective Ignition sources 3)Design-based explosion protection measure, where effective ignition sources cannot be reliably ruled out Plant section Proc. Orig. A-measure1) Rem. Zone Ignition I-measure2)/ Note: Mat’ls temp. zone zone expansion sources C-measure3) (cont.) IH1 Drying Final drier, temperature interior, except limited to 160°C initiator housing (> limit temperature) Final drier initiator 1 - 5 <160°C 0 AD, NEX housing, no penetration of interior atmosphere possible because of cast enclosure Oven room 1, 2, 3 <40°C 2 Mechanical NEX surroundings ventilation for 2x air change</p><p>1)Measure to limit the probability of an explosive Atmosphere occurring Page 5 of 5 2)Measure to avoid effective Ignition sources 3)Design-based explosion protection measure, where effective ignition sources cannot be reliably ruled out</p>