Town of Ridgefield

Water Pollution Control Authority

Regularly Scheduled Meeting

August 8, 2006 7:00 p.m.

22 South Street, WPCF

Ridgefield, Connecticut 06877

WPCA Present: Max Caldwell, Vice Chairman; Gary Zawacki, Amy Siebert

WPCA Absent: Kevin Briody, Ron Hill

Aquarion: Jason O’Brien, Jason O’Brien

Metcalf & Eddy: Jon Pearson

Regular Meeting

1. Approval of Minutes

Motion to approve the minutes of July 11, 2006 by Mr. Zawacki, seconded by Ms. Siebert, passing unanimously.

2. Metcalf & Eddy Report
1. South Street WWTF Influent pump station is in service as of today.
1. Problems with the influent gravity sewer piping and structures that occur during significant rainfall events at the headworks were discussed in detail. Addition of a diversion pipe from manhole MH-1 to a manhole upstream of the new pump stations, and raising the elevation of the influent box at the Headworks Building.

Motion to approve the above-mentioned modifications to deal with increased flow events as an adder to the South Street project by Mr. Zawacki, seconded by Ms. Siebert, passing unanimously.

2. South Street WWTF Site work revisions.
1. The first modification involves changes in the extent of paving in the area of the Headworks for improvements for vehicle access to the new wet well and to the existing influent manholes for cleaning with the vactor truck.
2. Second modification involves the pavement in the area of the septage receiving station, which would be modified and regraded to address a drainage problem.
3. Third area adjacent to the Final Settling Tank No. 2 to provide access for vehicles for equipment maintenance and replacement. Process stone access road to allow the site drainage to flow uninterrupted. A 15-inch drain would be installed in the roadway.
4. Also, modifications to the location of the perimeter chain link fence are proposed in the area of the new wet well, the fence will be moved out to accommodate the new location.

Motion to approve the above-mentioned items 1, 2 and 3 by Mr. Zawacki, seconded by Ms. Siebert, passing unanimously.

5. Item 3 (above) will be investigated by Aquarion regarding brushes with sweeping arms to clean clarifiers which would impact the use of the access way.
2. Mr. Pearson presented Estimate No.9 Invoice from Kovacs Construction Corp. $219,318.75 and Change Order No. 3 for $3,500 for payment.
3. Copps Hill has been operational as of July 21, 2006. Discussed reducing retainer, time extension to reach substantial completion, landscaping of berm at Copps Hill.
4. Discussed “Draft” letter to Bill Hogan, DEP.

3. Aquarion Report
1. July 2006 report was discussed.

4. Other Business
1. Litigation was discussed. The Authority is waiting for a reply from the Town’s attorney on 21 Ramapoo Road.

5. Adjournment

Motion to adjourn at 8:3 pm by Ms. Siebert, seconded by Mr. Zawacki, passing unanimously.

Submitted by Diana Van Ness