Site work for a civil project in Olivette, Missouri. Completed plans call for site work for a road / highway; and water / sewer project.

The Scope of Work includes removal of a timber retaining wall and replacement with modular concrete block. The Contractor shall remove the existing timber retaining wall and replace with a new modular block wall (18" wide by 8" high blocks) with 4" tall caps on top. The toe of the new wall shall be installed between 1' and 2' from the back of curb. The height of the existing wall varies and is shown in Figure 4 and Figure 5. These Figures show the approximate location where the wall height changes. The new wall will be approximately 143 feet long. There are five drain pipes that penetrate the existing retaining wall. These pipes are connected to the downspouts of the residential building. The contractor shall verify the location of the drain pipes and reroute the pipes so that it drains toward the existing driveway. The route of the new pipe is shown in Figure 3. A new 4" PVC pipe shall be used to reconnect the drain pipes and redirect toward the driveway. A cleanout shall be installed on the upstream side of the new pipe. If the excavation for the wall is going to sit for more than 2 days, contractor shall shore the existing ground to protect residential property from loss of soil and to prevent erosion on the street. All rock backfill, drain piping for the retaining wall, landscape removal and earthwork required for the new wall shall be considered incidental to construction. Contractor shall make effort to keep existing bushes, trees, and landscaping above the wall. Any of these that have to be removed for the new work shall be considered incidental to the work and shall not be paid for separately. Bidder is encouraged to visit the site prior to bidding to evaluate the need to tree/bush removal. An estimated square foot quantity of new wall is provided in the Proposal Form. Provide a unit cost of installing one square foot of wall. The final dimensions of the new wall shall be verified by the City of Olivette during construction. The Contractor shall provide all necessary traffic control devices to complete the scope of work. Project and bidding questions shall be conducted exclusively via e-mail. Any questions regarding this project must be submitted to: BMcGregor@Olivettemo.com, by 9:00 AM local time on November 4, 2024. No written questions after this date or any verbal questions will be recognized. The City reserves the right to accept or reject any or all bids and or combination, thereof, and to waive any minor irregularities.