An ACOP is produced for most sets of regulations by the HSE. ACOP attempts to give more details on the requirements of the regulations. It also attempts to give the level of compliance needed to satisfy the regulations. Approved code of practice is approved by the Health and Safety Executive, with the consent of the Secretary of State. It provides practical advice for compliance with the law.

Approved code of practice for safety in roof work
In this section to shown how to make safety while roofing. Generally fall arrest systems, safe access to the roofs, materials handling, falling materials and weather conditions.
Fall arrest systems are not prevent falls but it is prevent the injury once a fall happened. Falling can’t cause, give the protection such as safety nets. Safety nets should certainly tied, are considered one of the best forms of fall arrest available and protecting everyone in the area of the nets. They also make the workers can freedom movement on the roof. They should be tied beneath the working area and place the near possible fall distance. Fall arrest systems should only used when the forms of collective protective measures have been deemed to be impracticable. This is also be effective system in place to save everyone from fall.