12.10.25 BOA Agenda Packet - Laserfiche WebLink

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124 3.1.9 SANITARY SEWER/SEPTIC SYSTEM — NCDENR Division of Water Quality has issued and periodically updated Permit No. WQ0004508 for the continued operation of a 3,750 gpd wastewater collection, treatment and 77,850 sf surface irrigation disposal site on campus across New Jericho Road. The wastewater system includes individual septic tanks at each existing building. As new buildings are added in future phases of the Master Plan,the existing permit shall be updated to include additional waste flows.Additional septic field capacity may be required as the capacity of the existing surface irrigation disposal site is reached. The existing septic permit is in effect until August 31, 2026, and will be renewed by the school. As each future building in the Master Plan undergoes construction plan review, NCDENR will review the adequacy of the existing septic system to serve that building and will revise/update the permit on file with NCDENR accordingly to include the sewer service load that the building will add to the existing septic system. 3.1.10 POTABLE WATEF — NCDENR Division of Water Quality issued and has periodically updated Water System Permit No.NC0368470 for the continued operation of a 23 gallon per minute(16,500 gpd)well on the west side of the Emerson Waldorf campus.This well replaced 2 smaller capacity wells on campus and so is labeled "Well No. 3" on the Water System Permit. In addition to the well, constructed in 2001, the permit lists a 3000- gallon hydro-pneumatic tank,a hypochlorite feed system for lead and copper control,a sodium hydroxide feed for PH control, 1105 if of 2" waterline, 178 if of 1" waterline and 139 if of 3/a"waterline to serve the needs of the existing buildings on campus. The Permit references an engineer's report from Diehl and Phillips Engineers, Cary, NC, dated July 5, 2001, that contains the following water use projections(based on 10 gpd per students/staff-without showers or cafeteria): 5 yr—260 students/staff growth(2006)—2600 gpd requirement 10 yr—300 students/staff growth(2011)—3000 gpd requirement 15 yr—300 students/staff growth(2016)—3000 gpd requirement 20 yr—300 students/staff growth(2021)—3000 gpd requirement The school's current Master Plan for growth to 2030 includes 350 students and 50 staff for a potable water requirement of 4,000 gpd—well below the current well capacity of 16,500 gpd. As each future building in the Master Plan undergoes construction plan review, NCDENR will review the adequacy of the existing well system to serve that building and will revise/update the permit on file with NCDENR accordingly to include the water service load that the building will add to the existing well system. 3.1.11 FIRE PROTECTION — Per a meeting with Stephen Smith, the Orange County Fire Marshall, there are appropriate water supplies via utilizing nearby water points at ponds located on Blackwood Mountain Road and at Cornerstone Drive to accommodate fire response requirements for the existing school campus.As the school develops, additional supply and capacity needs may require supplemental water supply. This requirement and subsequent design of utilities(if necessary)will be provided at the individual site plan approval process. 3.1.12 POLICE/EMS — The school is currently served by, and will continue to be served by, the Orange County Sheriff's Department and Orange County EMS.