Section 219-4-4 - Design Requirements1. Fire sprinkler systems required by any internationally or nationally recognized building code, or required by any local ordinance or required by any insurance company must be approved by the Office of State Fire Marshal and shall meet the currently adopted editions of National Fire Protection Association Standards #13, #13R, #13 DorMaine Life Safety System criteria.2. Prior to construction of any new fire sprinkler system over 6 heads, or any addition to an existing fire sprinkler system of more than 20 heads, a fire sprinkler permit shall be required in accordance with 32 M.R.S.A. §1371 - 1382. [Relocated heads shall count toward the 20 heads, but the replacement of existing heads without a change in pipe length shall not.]3. Fire pumps and standpipes shall be considered part of the sprinkler system and subject to review and permitting.4. The type of and location of the fire department connection and of the standpipe connection are subject to approval by the local fire department.5. Fire sprinkler heads shall be used within their listings in Maine Life Safety standard.6. Low-water alarms or automatic fills are required for stored water sources in all life-safety fire sprinkler standards other than NFPA Standard #13D systems.7. Pump power monitoring is required in all life-safety fire sprinkler systems other than NFPA Standard #13D systems.8. Fire pumps used in the Maine Life Safety standard are not required to be listed for fire service.9. The required water volumes for Maine Life Safety systems may be increased depending upon the occupancy type, occupant load, construction type, building height and other related factors. Prior approval must be granted by the Office of the State Fire Marshal.16- 219 C.M.R. ch. 4, § 4