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9.A.
City Council Meeting - FINAL
Meeting Date:
04/16/2013
From:
Kyle Brown, Project Manager, Utilities

Information

TITLE:

Consideration and Approval of Construction Contract: Route 66 Culvert at Rio De Flag

RECOMMENDED ACTION:

1) Approve the construction contract (including Base Bid) with RTR Paving and Resurfacing in the amount of $296,047.00 which includes a $41,000.00 contract allowance and a 60 calendar day contract time;
2) Approve administrative change order authority in the amount of $13,000 (5% of the contract amount, less allowance) to cover potential costs associated with unanticipated items of work; and
3) Authorize the City Manager to execute the necessary documents.

Policy Decision or Reason for Action:

This project is currently listed as the #1 priority for the Drainage Improvement Program.  It will address the highest flooding life-safety issue in the COF. The culvert will provide relief during large storms that otherwise could adversely impact the Route 66 embankment.

Financial Impact:

The project is funded by the portion of the stormwater utility fee allocated to the Drainage Improvement Program for FY2013 in the amount of $296,047.00

Connection to Council Goal:

Below are the Council goals. Only list those that relate to this agenda item; remove all others.

1. Repair Replace maintain infrastructure (streets & utilities)

Previous Council Decision on This:

No

Options and Alternatives:

• Approve the award including the Base Bid
• Reject bids and re-advertise the project

 

Background/History:

This project will replace the existing 42-inch CMP culvert that drains the area between Burlington Northern Santa Fe Railroad and Route 66 along the Rio de Flag with a 60-inch CMP to provide overtopping relief on Route 66 in a 100-year storm. Currently the 42-inch cannot convey a 100-year storm and floodwaters would inundate Route 66. A 78-inch casing will provide structural support for the 60-inch CMP.

A summary of bids received is below:

Bidder                                                    Bid
RTR Paving and Resurfacing                $296,047
Woodruff Construction                           $301,660
Eagle Mountain Construction                  $323,212
Kinney Construction                               $345,343
Hunter Contracting Co                            $357,462
Citywide Contracting LLC                       $375,000
Capital Improvements LLC                     $395,595
LP's Excavating Inc.                                $410,947

Key Considerations:

The scope of the project includes the following:

• Replace existing 42-inch CMP culvert that drains area between Burlington Northern Santa Fe Railroad and Route 66 along the Rio de Flag with a 60-inch CMP enclosed in 78-inch casing.  This will be done using a Jack and Bore approach to minimize traffic disturbance along Route 66.
• Install riprap basin energy dissipator at downstream end of 60-inch CMP in Rio de Flag.

Community Benefits and Considerations:

This project will ensure the citizens of Flagstaff safe usage of Route 66 during the 100-year storm event.

Community Involvement:

Inform
Consult
Involve

This project involves solving citizen and community flooding challenges from years of citizen information, citizen consultations, and citizen involvement regarding drainage issues.

Expanded Options and Alternatives:

1. Approve the award as recommended.

2. Reject bids and readvertise the project which would delay the award and construction of the project to the next fiscal year.

Attachments