If you are intending to provide safety features you must undertake a risk assessment first. A risk assessment must always be carried out prior to commencing work and records of this must be kept according to COSHH requirements.
The minimum specifications are:
Handrails
Lifebelts
Safety signs
Wooden post and rail fencing can provide a safeguard beside a section of path near a steep embankment.
- Wooden post and three rail fencing must not be less than 1.1 m high with rails of at least 38 mm x 87 mm sawn timber and posts not greater than 1.8 m apart.
- The fence must be in keeping with the surroundings of a recreational site.