Abandon In Place UST BY.docx

Underground Tank Abandonment The Illinois Emergency Management Agency and Office of Homeland Security (IEMA-OHS) is requesting bids from responsible Vendors to meet the State’s needs.

Brief Description: The Agency seeks to close and abandon in place a 550-gallon fiberglass, double walled underground storage tank (UST) to an old stand-by diesel generator that has been replaced with a new standby generator with a built-in above ground tank located at the Byron Nuclear Generating Station.

Location: 4450 N German Church Rd, Byron, IL 61010 Objectives/deliverables of the resulting contract will include but may not be limited to:

1. Excavate tank using hydrovac techniques.

2. Remove all piping and wiring to tank.

3. Cut hole in tank for access.

4. Power wash and/or scrub tank to OSFM approved cleanliness standards.

5. Pump out rinsate, including approximately 10 gallons of residual diesel fuel, and remove from site.

6. Pump out and remove glycol leak detection fluid from tank’s interstitial space (approximately 50 gallons).

7. Fill existing underground fuel tank with inert material (560 gallon).

8. Cap and seal all piping.

9. Ensure tank is abandoned in place to OSFM and site environmental standards.

10. Provide material for backfill and return soil to level and grade as necessary.

11. Dispose of scrap conduit, wire, concrete, and steel.

12. Provide certificate of abandonment to the Agency.

13. Note, the UST is exempt and does not require OSFM inspection or certification.

Supplies and/or Services Required:

Vendor must be a licensed contractor for Underground Storage Tank installation with the Illinois Office of State Fire Marshal (OSFM). All work shall be performed in accordance with the requirements of Illinois Administrative Code Title 41, Chapter 1, Part 175, Section 175.840 Abandonment-in-Place. Please note that permits and inspections for deferred/exempted tanks, as described in Illinois Administrative Code Title 41, Chapter 1, Part 174, Section 174.100, are not required. For UST abandonment at a nuclear generating site, OSFM only requests notification of completion of abandonment once the work is done.

Vendor shall pump diesel fuel and rinsate mixture from tank and remove from site. Solution removal vendor must meet State and federal EPA standards for transportation of mixture containing diesel.

Vendor shall remove and transport excess construction materials and debris.

SITE WORK:

Any bollards removed to gain access to area shall be replaced with identical units mounted in equal volume of concrete and painted yellow.

Work should be done without generating sparks unless absolutely necessary to avoid hot work permit requirements.

Any excavation must be “vacuum excavation”.

Since vacuum excavation is necessary, new material must be provided for backfill of excavated tank.

Any disturbed asphalt, gravel, or soil shall be returned to original condition and grade.

ACCESS TO NUCLEAR STATION:

Contractor shall comply with all requirements of Byron Generating Station to obtain access for equipment and personnel. Delays should be expected when taking tools, machinery, and construction materials through daily security inspections. Weapons and other contraband are strictly prohibited. Persons under the influence of drugs or alcohol are not permitted on site.

In order to work on site, all persons must submit Social Security number and statement of U.S. citizenship to IEMA-OHS seven days prior to arrival. Vehicles entering the site must submit make, model, and license plate number seven days prior to arrival. Workers must wear hard hats, safety glasses, safety shoes, face coverings, and gloves at all times while working.

SITE PHOTOS:

Attached photo shows generator on side of building. Underground tank is immediately in front of the generator.

Figure 1. UST and new generator inside fenced in area

Figure 2 Generator and UST

Figure 3. UST access area

Figure 4. Leak detection point

Figure 5. Tank fill spout. Fill tube has been extended since this picture was taken.

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