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(A) FSE shall install grease removal device(s), at FSE expense, as required by the POTW Director.
(B) FSE shall hire a grease removal device manufacturer, commercial plumber, architect or engineer to determine the correct size, design and location for the grease removal device.
(C) The hired manufacturer, commercial plumber, architect or engineer should size interceptors for a 30-minute HRT and traps for the proper flow rating. The POTW Director will not advise any FSE about the specific installation or sizing of the grease removal device.
(D) FSE shall install only the size grease removal device that is recommended by the hired manufacturer, commercial plumber or engineer and approved by the POTW Director and the local code official.
(E) Flow control devices and solids screens shall be required prior to grease traps.
(F) The maximum size for an interceptor/trap shall be 2,000 gallons. If the calculated minimum size is larger than this, two or more interceptors of approximately equal size shall be installed in series.
(G) Grease removal device selection and installation shall be done according to all applicable laws and building codes, even where not indicated in this subchapter.
(H) Grease removal device installation and operation shall be done according to all manufacturer’s instructions, unless more stringent instructions are given by the POTW Director.
(I) All compartments of grease removal devices shall be readily and easily accessible for FSE maintenance requirements and town inspection.
(J) The following shall be connected to the grease removal device: all fixtures and drains to wastewater lines in kitchens, food and beverage prep and bar areas (exceptions may be made for drink fountains and condensate drains that are not flush with the floor). Automatic dishwashers shall be plumbed to grease interceptors, but shall not be plumbed to grease traps. Kitchens with automatic dishwashers bypassing a grease trap must have a pre-rinse sink present.
(K) Food grinders shall be connected to grease interceptor/traps. The interceptor/trap size should be increased by 30% to accommodate the high solid waste stream, and when connected to a grease trap, a solids interceptor will be required prior to the grease trap. It is strongly recommended that food grinder use be discontinued and the food grinder removed as it increases the FSE cost of installation and maintenance.
(L) In the case where grease removal device installation occurred before this subchapter was approved by town and the grease removal device does not meet the standards of this subchapter, the FSE shall upgrade its grease removal device, when the POTW Director determines it is necessary.
(Ord. passed 6-21-2011; Am. Ord. passed 12-13-2012)
(A) FSE shall ensure that interceptor(s) are pumped out by a grease waste hauler, removing all water, floatable oil, settled solids and any other visible signs of grease anywhere within the grease interceptor, at a frequency adequate for the proper function of the interceptor and at a minimum of every three months. Any other pumping schedule that is less frequent shall be subject to written approval by the POTW Director.
(B) The cleaning frequency of a grease trap shall be adequate for the proper function of the trap and at a minimum of every one month. Any other pumping schedule that is less frequent shall be subject to written approval by the POTW Director. The trap must have surface grease and oil removed, settled solids removed, all sides scraped, removable parts removed and cleaned, inspected for damage and corrosion, and properly reassembled.
(1) If a grease waste hauler pumps the trap, then all contents must be removed as described in divisions (A) through (H) of this section; except that, it must be done at the frequency indicated in this division (B).
(2) When cleaned by FSE personnel (i.e., surface grease and settled solids have been removed), water in trap may remain in the unit or may be flushed to the sewer. FSE shall be responsible for appropriate disposal of the removed substances. Removed substances shall not be reintroduced to the sewer collection system.
(C) To ensure proper function, grease interceptor/trap shall be cleaned whenever the combined thickness of the floating greases and settled solids is equal to or greater than 25% of the total liquid depth in the interceptor/trap.
(D) No FSE shall allow a grease waste hauler to skim the waste in an interceptor/trap. Both sides of the interceptor/trap shall be cleaned to the bottom at all times as indicated above. Washdown water shall be pumped out as well.
(E) Reintroduction of wastewater (e.g., decanting) removed from a grease interceptor/trap is prohibited, whether it has been treated by the grease waste hauler or not, except as noted in division (B)(2) above.
(F) It is recommended that the FSE be witness to interceptor/trap cleaning.
(G) FSEs shall not use any chemical and/or biological product to remove grease from the grease removal device. (These products move grease into the sewer collection system and defeat the purpose of having interceptor/traps in the first place.)
(H) All needed repairs shall be completed within 30 days of discovery, unless otherwise instructed by the town.
(Ord. passed 6-21-2011; Am. Ord. passed 12-13-2012)
(A) The fat, oil and grease prevention program (FOGPP) packet, provided by the town, shall be kept on-site for reference and management training for the duration of the operation of the FSE at its present site. The FSE shall make this packet available upon request by the POTW Director.
(B) FSE shall retain, on site, each invoice, receipt and cleaning log from the grease waste hauler for a period of three years from the date the waste was removed from the FSE’s site. Upon request by the POTW Director, the FSE shall make any and all original copies of the invoices, receipts and cleaning logs from the grease waste hauler available for review.
(C) FSE shall submit a copy of the invoice or receipt from the grease waste hauler each time the interceptor/trap is cleaned. The document from the grease waste hauler must have the following information on it or a town waste manifest form must accompany it: name and physical address of the FSE; contracted service frequency; name, physical address and phone number of grease waste hauler; identification of specific grease removal device pumped; date of service. FSEs that clean their own trap(s) shall submit a copy of the cleaning log used by FSE staff each month. These reports are due by the last day of the month that follows the month in which the interceptor/trap was cleaned.
(D) FSE wishing to obtain or maintain a waiver from the FOGPP must request and submit an application for the waiver annually by January 30. Waivers are given to FSE that cannot contribute grease waste to the sewer due to FSE operations. Waivers are given to FSEs that are exempt from Health Department regulations (G.S. §§ 130A-247 through 130A-250), unless the FSE has a deep fryer or is causing grease waste to accumulate in the sewer.
(E) (1) All reports required by the town shall be submitted to the town at the following address, unless other arrangements are made with pretreatment staff:
Town of Boone - WWTP
Pretreatment Section
P.O. Box 192
Boone, N.C. 28607
(2) All reports will be deemed to have been submitted on the date postmarked.
(Ord. passed 6-21-2011; Am. Ord. passed 12-13-2012)
The FSE shall provide access to all compartments of the grease removal device for inspection by an authorized representative from the town. The inspection may include the interior and exterior structure of the grease removal device, the waste sources and types that are plumbed to the grease removal device, and the waste levels inside the grease removal device. Any corrective actions indicated by the Inspector shall be enforceable.
(Ord. passed 6-21-2011; Am. Ord. passed 12-13-2012)
An annual program fee will be assessed and is due in July of each year. The annual program fee will be waived for each FSE that received zero violations during the previous calendar year. The amount of this fee will be listed on the schedule of charges and fees.
(Ord. passed 6-21-2011; Am. Ord. passed 12-13-2012)
The enforcement response plan for this program models the grid in § 50.999 and will go into effect after a 12-month educational period. The year begins with the receipt of the FOGPP packet. During the educational period, enforcement will consist of educational materials and increased frequency of inspection. A copy of the enforcement response plan is provided in the FOGPP document packet mentioned in § 50.445(A).
(Ord. passed 6-21-2011; Am. Ord. passed 12-13-2012)
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