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pressure gauges, water flow switch with retarding feature, test and drain valve with M.-inch pressure relief <br />valve. <br />18. The work includes all cutting, drilling, core drilling, etc. to install fire sprinkler piping through floors, walls, and <br />ceilings. <br />19. The work includes firestopping, patching, and painting of all penetrations that were made for installation of <br />sprinkler piping through interior and exterior building walls. The firestopping shall be conducted by a <br />manufacturer's trained personnel acceptable to the Owner and Authority Having Jurisdiction. <br />20. The work includes all required permits. The work shall comply with NFPA and local code requirements. <br />21. The work includes all fees and activities required to secure approvals for necessary state and local permits. <br />22. The work includes submitting detailed working plans, hydraulic calculations, and product data to the Owner for <br />review prior to submitting same to local Authorities Having Jurisdiction for permit. Contractor shall not fabricate <br />piping, assemble components, or begin installation until the Owner or Owner's representative has approved <br />the submittal documents. <br />23. The work includes performing field quality control and commissioning activities. <br />24. The work includes documenting and submitting the results of integrity and functional testing. <br />25. The work includes developing as-built/record sprinkler plans. The record plans shall show all existing sprinkler <br />system piping that are to remain, all new piping sprinkler system components, pipe routing, pipe diameters, <br />sprinkler head locations, sprinkler orientation, typical installation details for sprinkler drops and other <br />associated equipment, and sprinkler make, model, k-factor, temperature rating, and response type. <br />26. The work includes submitting as-built/record plans and closeout documentation to the Owner or Owner's <br />representative for review prior to scheduling owner demonstration training. <br />27. The work includes training Owner's personnel on the operation of the system, required maintenance tasks and <br />frequencies, and the locations of all spare tools and equipment, valves, alarm and supervisory switches, <br />risers, and equipment necessary to maintain and operate the sprinkler system. <br />28. The work includes signs at each control and test valve, if not already provided. <br />29. The Contractor shall provide a rigid plastic sign indicating the location of all valves; including low point drains, <br />and the area protected by each control valve'shall be identified. The sign shall be located at the main riser. <br />30. The work includes providing a cabinet with spare sprinklers and a list of spare sprinklers per NFPA 13 (2016) <br />Section 6.2.9. <br />31. The contractor shall guarantee in writing all work and equipment associated with this project for one (1) year <br />after installation. <br />4.0 Installation Notes <br />1. The contractor shall be responsible for repairing all damage caused by the contractor in the course of <br />construction inside the building. <br />2. Penetrations shall be made in a neat and professional manner. Where a penetration is made through rated <br />wall or ceiling, the fire sprinkler contractor shall use an approved method of firestopping to appropriately <br />protect the rated penetration. <br />3. All floors shall be protected from being damaged during construction in the building. <br />- End of Memo - <br />If you have any questions with respect to the above information, please do not hesitate to contact me via phone at 213- <br />536-7431 or via email at walker.donuji@jensenhughes.com. <br />Sincerely, <br />JENSEN HUGHES <br />Elizabeth Graves <br />Staff Consultant <br />Reviewed By: <br />411L "I <br />Walker Donuji <br />Senior Consultant <br />Page 3 of 3 1 April 11, 2022 jensenhughes.com <br />