Handrails must not be more than 37 inches (94 cm) high nor less than 30 inches (76 cm) from the upper surface of the handrail to the surface of the tread. Temporary handrails must have a minimum clearance of 3 inches (8 cm) between the handrail and walls, stair rail systems and other objects.
No. 5 â Allowing the Lien to Expire. Mechanicâs liens are valid for 6 years, unless a Notice to Commence Suite is served on the lien claimant.[15] A Notice to Commence Suit can be issued by the Owner or by the General Contractor, on behalf of the Owner.
The class certificate does not expire. After you receive your license it is valid for 4 years and up to your birthday of that year. After that it needs to be renewed every 5 years on your birthday. There is no further educational requirements to renew your permit. Refresher courses are offered but not required by law.