9-britt-grease inspection presentation.pptneiwpcc.org/fogold/fog-docs/oct 6...
TRANSCRIPT
Conducting Grease Trap Inspections
Narragansett Bay CommissionKerry M. Britt
Pretreatment Manager
Travis H. Costa
Senior Pretreatment TechnicianSenior Pretreatment Technician
Narragansett Bay CommissionNarragansett Bay Commission
Field’s Point in Providence Bucklin Point in East Providence45 MGD 22 MGD
NBC Pretreatment ProgramNBC Pretreatment Program
1,522 discharge permits in effectOn average conduct 2,000 g ,inspections/yearConduct approximately 50Conduct approximately 50 investigations/year
10% 20% regarding grease10% - 20% regarding grease issues
NBC Grease Control ProgramNBC Grease Control ProgramBeen in place since the late 19801980s850 Permitted companies with the potential to discharge grease p g gladen wastewater
RestaurantsSchoolsNursing HomesHospitalsHotelsHotelsSupermarketsFood Processors
Permit RequirementsPermit RequirementsDischarge LimitsGrease Removal Equipmentq pRecord Keeping MonitoringMonitoringNotification of ChChanges
Grease Removal RequirementsGrease Removal RequirementsMeet NBC discharge limitation of 125.0 ppmS b i l d ili ki h lSubmit plans detailing kitchen layout, plumbing and grease removal equipmentI ll l i i h lInstall grease removal equipment with sample port
A t ti El t /M h i lAutomatic Electro/Mechanical Outdoor In-ground Passive
M i t i ll t t t i t tMaintain all pretreatment equipment to ensure continuous operation
Automatic Electro/Mechanical GRUAutomatic Electro/Mechanical GRU
Sized properlyp p ySample portSolids RetentionA iblAccessibleFixtures required to be connected
Pre-Rinse SinksPot Wash SinksThree-Bay SinksSoup KettlespWok StationsFloor Drains
Automatic Electro/Mechanical GRU ( ’d)(cont’d)
Prohibited Discharges to GRUProhibited Discharges to GRUDish WasherGarbage Grinders/DisposalsGarbage Grinders/DisposalsVegetable Prep SinksSt T blSteam TablesSanitary SinksI M hiIce MachinesFreezer Condensate
Automatic Electro/Mechanical GRU ( ’d)(cont’d)
Log BooksMaintenance
Emptying Strainer BasketCleaning Wiper BladesCleaning TroughW V i f GRUWet Vacuuming of GRU
Amount of Grease Removed from unitD d i f i iDate and time of inspectionPerson conducting inspection
Outdoor Inground Passive Grease InterceptorOutdoor Inground Passive Grease Interceptor
Sizing: 15 gal/seat but no smaller than 500 galSizing: 15 gal/seat but no smaller than 500 galAccessible sampling tee w/ 8” diameterGI must be accessibleGI must be accessible
Fixtures required to be connected:Pre-Rinse Sinks Soup KettlesPot Wash Sinks Wok StationsThree-Bay Sinks Dish WashersVegetable Prep Sinks Garbage Grinders/DisposalsFloor Drains
Outdoor Inground Passive Grease Interceptor (cont’d)Outdoo g ou d ass ve G ease te cepto (co t d)
Prohibited Discharges to GISanitaryIce MachinesFreezer CondensateFreezer Condensate
Record KeepingThickness of Grease LayeryPump-Outs including volumeReceipts from pump-outsD d i f i iDate and time of inspectionPerson conducting inspection
Inspection ProgramInspection Program
Conduct inspectionsConduct inspections of 75% of restaurants annuallyyInspect all other companies with the ppotential to discharge grease l d biladen wastewater bi-annually
Inspection Program (cont’d)Inspection Program (cont d)Prior to inspectionp
Review company informationPermitC dCorrespondencePlansGather Equipment for inspection of GRU/GI Gat e qu p e t o spect o o G U/GHand ToolsCover HookBottle BrushCameraPPEPPE
Inspection Program (cont’d)Inspection Program (cont d)
At locationAt locationVerify owner and contact informationinformationVerify plans for accuracyReview maintenance records
Inspection Program (cont’d)
O tl t
Automatic Electro/Mechanical GRU
Strainer BasketSkimmer Wheel
Outlet
Wiper Blades
Inlet Sample Port
Grease Container
Timer Unit
Inspection Program (cont’d)Inspection Program (cont d)GRU Inspection
Open unitInspect grease layerRemove strainer basketInspect wiper blades trough skimmerInspect wiper blades, trough, skimmer wheel for integrityEnsure drainage hose is connected to wasteEnsure drainage hose is connected to waste grease reservoir
Inspection Program (cont’d)Inspection Program (cont d)Check Timer Operationp
Proper timeProper cleaning cycle settings
Manually override timer to start the unit ensuring the unit operates properlyIf not operating check to see if power is suppliedIf not operating check to see if power is suppliedInspect sample port
Open ValveOpen Valve Clean if necessary
Return to initial condition and close unit
Inspection Program (cont’d)Inspection Program (cont d)
Inspection Program (cont’d)Outdoor Inground Passive Interceptor
Inspection Program (cont’d)Inspection Program (cont d)
GI InspectionGI InspectionOpen manhole covers
l f i fInspect sample tee for signs of greaseTry to determine the thickness of grease and solids layersClose interceptorp
Inspection Program (cont’d)Inspection Program (cont d)Post Inspectionp
At locationReview findings with contact personRespond to questionsAt officeEnter inspection in the PT computer systemEnter inspection in the PT computer systemWrite detailed memo to the company fileWrite detailed letter to the companyW e de ed e e o e co p yConduct future follow up inspections in accordance with SOPs and as necessary
NBC - Sustainable Energy Management P i f W T F ili iPractices for Wastewater Treatment FacilitiesWastewater Treatment Facility Energy y gyFocused Management System– Modeled after ISO 14001 EMS – Energy Measurementgy– Energy Efficiency/Conservation– Use of Renewable Energy
Environmental Results Program for Restaurants and Food Service Industry SectorSector– Use of FOG BMPs– Promote the use of waste grease as a source
of renewable energyof renewable energy
Poorly Operating Automatic GRUPoorly Operating Automatic GRU
Blockage due to poor maintenance onPassive In-Ground Grease Traps
Grease from food preparation facilities caused blockages in a sewer lineg
No Power to Automatic GRUNo Power to Automatic GRU
Contact InformationContact Information
Email: [email protected]
Telephone: 401.461.8848 ext. 490
NBC W b it bNBC Website: www.narrabay.com
Pretreatment Information: http://www.narrabay.com/pretreatment.asp
