To install 35 feet of 6 inch C-900 fire sprinkler supply piping into new building addition. This work is associated with BLD07-03132. *Important* 1. This approval is for the construction and installation of underground sprinkler supply piping, fittings and associated valves only.
2. This underground fire sprinkler plan has not been reviewed or approved with regard to the size of the main or future sprinkler system hydraulic demand. A copy of this approved underground plan, including notes and redline items, shall be included with the sprinkler permit plans and accurately reflected in the hydraulic calculations.
3. Final approval of the underground is contingent upon satisfactory hydraulic calculations of the sprinkler system.