202117; 16 North Separation Project Phase 1

ADDENDUM 4 REVISIONS

BID DATE - 12/16/2025 @ 12:00 PM

Engineer's estimate of probable cost without alternates is $58,251,000.

Engineer's estimate of probable cost with all alternates selected is $62,897,000.

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A mandatory pre-bid conference will be held on December 2, 2025 at 9:00AM local time, at Newark’s Water Office, 34 South 5th Street, Newark, Ohio 43055. Attendees may also join via Microsoft Teams at https://tinyurl.com/Newarkconstruction, or call in (audio only) at +1 330-344-9357, Conference ID 231 759 649#. An optional site tour will be conducted after the pre-bid conference.

Engineer's estimate of probable cost without alternates is $55,680,000.

Engineer's estimate of probable cost with all alternates selected is $59,920,000.

Major items of work include the following:

• Separation of approximately 20,000 LF of combined sewer and installation of approximately 20,000 LF of new sanitary sewer and installation of approximately 20,000 LF of new storm sewer.

• Installation of approximately 18,000 LF of new waterline.

• Levee filter diaphragm and new headwall for 48-inch storm relief sewer and outfall along North Fork Licking Valley River.

• Reconnection of 381 water service lines.

• Reconnection of 381 sanitary sewer laterals.

• Disconnection of 287 residential roof downspouts.

• Roadway replacement.

• Streetscaping upgrades.