Task $4$: Ventilation and Diesel Engine Exhaust Emissions $($DEEE$)$

$4$

$($a$)($i$)$ Explain why a risk assessment for exposure of workers to DEEE is required at Hapford Garage.

$($ii$)$ What should be considered when making a suitable and sufficient risk assessment for exposure of workers at the Garage to DEEE?

$($b$)$ Ventilation is an important control measure to reduce exposure to DEEE.

$($i$)$ Describe how the air movements provide ventilation in Figure $1($supporting document $2).$

$($ii$)$ Consider how the ventilation in Figure $1($supporting document $2)$ affects the exposure of workers to DEEE.

$($c$)$ Hapford Garage are considering installing the type of ventilation system shown in Figure $2$ of supporting document $2.$

$($i$)$ Describe the features of the ventilation system shown in Figure $2($supporting document $2).$

$($ii$)$ Outline the arrangements Hapford Garage would need to put in place for this type of ventilation system to maintain effectiveness.

Note: You should support your answers, where applicable, using relevant information from the scenario and relevant supporting documents.

Task $5$: Managing the risks from lone working

$5$

$($a$)$ Comment on the extent to which workers at Hapford Garage are at risk from lone working.

$($b$)$ What changes could the lead mechanics make to existing working practice to reduce the risks from lone working?

Note: You should support your answers, where applicable, using relevant information from the scenario.