Cable Space-Central Office Risers and Cable Racks. Frontier will provide space for installing EMT between the Frontier cable vault and the Space. Where reasonably deemed necessary by Frontier, all boxes and/or metallic flexible tubing will be installed to allow a secured and continuous path. These facilities will be installed by Frontier and/or vendors employed by Frontier at the expense of CLC with no more than one CLEC occupying a single EMT. CLC and/or vendors employed by CLC will install the CLC -provided fiber optic cable in the conduit between the cable vault and the Space at the expense of CLC . CLC shall be accompanied by a qualified Frontier representative in all fiber optic cable installations involving Cable Space at CLC 's expense. Fiber cables must comply with EHS requirements and Frontier Policies and Practices relating to fire, safety, health, environmental and network safeguards as set forth in Frontier’s Safety Manual. Fiber cable sheaths must be adequately grounded within the Space to the nearest practicable Central Office ground.