Keeping Your Salt and Brine Safe and Secure

Transcription

1 Keeping Your Salt and Brine Safe and Secure October 17, 2012 Southeast Michigan Council of Governments Municipal Site Visits and Plan Development City of Auburn Hills Canton Township City of the Village of Clarkston Clay Township Clinton Township (2) Commerce Township City of Dearborn (2) City of Dearborn Heights (2) Village of Dexter (3) Eastern Michigan University Fort Gratiot Township Gosse Pointe Farms Grosse Pointe Shores City of Lincoln Park Macomb County Road Commission (4) Macomb County School Bus Maintenance Garages (16) City of Madison Heights City of Madison Heights Marine City City of Marysville (2) Village of Milford Monroe County Community College City of Northville (2) Village of Orchard Lake Orion Township (2) City of Port Huron City of Rochester City of Rochester Hills (2) City of Saline (4) City of Southfield (2) City of Southgate City of St. Clair City of Sterling Heights (2) City of Taylor City of Trenton (3) City of Troy (2) City of Utica City of Warren Washington Township Washtenaw County Road Commission (2) Washtenaw County Drain Commission (2) Wayne County Department of Public Services (11) City of Woodhaven (2) City of Wyandotte Ypsilanti Township (4) 1

2 DEQ Part 5 Rules Salt Storage 5+ tons Brine Storage 1,000 gallons of liquid brine, calcium chloride, sodium chloride, etc Oil (1,320 gallons) Polluting Materials (2,200 lbs inside, 440 lbs outside) Photo Source: Bryan Pickworth, Farmington Hills Does not apply Photo Source: Washtenaw County, Facilities Maintenance 2

3 Salt Storage Must be covered Stored on impervious surface Cannot leak, seep, or runoff to surface or ground waters (sanitary with approval) Kept 50 away from stream, wetland, shoreline If in a 100-year floodplain, must withstand 100-year flood Salt Storage Source: Monroe County Community College Photo Source: Chippewa Valley School District Photo Source: City of Rochester Hills Photo Source: City of Saline DPW 3

4 Salt Storage Cannot leak or seep from structure Check all joints, cracks, and seams for seepage Salt Storage 4

5 Salt Storage Salt Storage Excess Material 5

6 Salt Storage Excess Material Ideal Situation Why do we care? Salt can. Change water chemistry Harm trees Alter ecosystems/ affect habitat Photo Source: Washington State University 6

7 1. Secondary 2. Must contain spilled, leaked, or discharged materials 3. Precipitation management 4. Allow for tank surveillance Brine Storage Photo Source: City of Rochester Secondary Containment 100% secondary (or 10% of total tanks, whichever is greater) 20,000 gallon tank 3,000 gallon tank 5,000 gallon tank 10% of 28,000 gallons = 2,800 gallons Secondary system = 20,000 gallons Photo Source: Macomb County Department of Roads 7

8 Contain spilled, leaked, or discharged materials Impervious liner or waterproof coating Squirt Protection o Height of tallest tank as distance to edge of area Outdoor Brine Storage Brine Maker = In process (not required to be inside secondary ) Source: City of Madison Heights Photo Source: City of Dearborn 8

9 Managing Precipitation Measure Salinity Discharge to vegetated ground OR Discharge to tank for reuse Source: MISCO Photo Source: City of Farmington Hills Managing Precipitation Valve must remain closed at all times Measure salinity Open valve to release water than close it (under supervision of qualified personnel) 9

10 Tank Surveillance Double-walled tanks = secondary Sight gauge, alarm, etc. Photo Source: Washtenaw County Road Commission No Secondary No Secondary Secondary Photo Source: City of Farmington Hills No Secondary Secondary Photo Source: Macomb County Department of Roads 10

11 Brine Storage Inside Storage = no secondary requirement Prevent release through sewers, drains, surface or groundwaters of the state Truck Wash Requirement Interior bay Wash water goes to sanitary True for stormwater permit, too 11

12 Salt Storage Part 5 Requirements Review Must be covered Stored on impervious surface Cannot leak, seep, or runoff to surface or ground waters (sanitary with approval) Kept 50 away from stream, wetland, shoreline If in a 100-year floodplain, must withstand 100-year flood Photo Source: City of Woodhaven Brine Storage Part 5 Requirements Review If stored outside, 100% secondary (or 10% of total tanks) Must contain spilled, leaked, or discharged materials Precipitation management Allow for tank surveillance 12

13 Pollution Incident Prevention Plan (PIPP) Requirements General facility contact info, site map Description of polluting materials, storage and structures Identification of truck washing procedures Precipitation management procedures Surveillance and security Emergency notification procedures, spill control/response procedures Photo Source: City of Marysville Questions/PIPP Development? Contact: Angela Ayers, SEMCOG