The inner core is solid, the outer core is liquid, and the mantle solid/plastic. This is because of the relative melting points of the different layers (nickelâiron core, silicate crust and mantle) and the increase in temperature and pressure as depth increases.
Building Inspection. One Government Center, Suite 1600 ï¬ Toledo, OH 43604 ï¬ Phone (419) 245-1220 ï¬ Fax (419) 245-1329 ï¬ www.toledo.oh.gov. DEMOLITION PERMIT REQUIREMENTS. A permit is not required if the structure is under 6000 cu. ft., is not in an historic district and there is no water or sewer service. Before you apply for a demolition permit: 1. Call Dept. of Public Utilities Customer Service (419) 245-1800 for a âTurn Off and Removeâ.
A Building Permit is required for all new or reconstructed stairs and stairways. All risers and treads must have the same measurement. Handrails are required for stairs that have more than two risers. Minimum height is 34 and the maximum height is 38 measured from the nosing of the stair tread.