Title
South Mountain Freeway Water and Sewer Design Review and Construction Inspection Oversight - Engineering Services Amendment 1 - WS85500445 and WS90500294 (Wilson Engineers, LLC) (Ordinance S-45164)
Description
Request to authorize the City Manager, or his designee, to execute an amendment to Agreement 144294 with Wilson Engineers, LLC, to provide additional Engineering Services that include design review and construction inspection oversight services for the South Mountain Freeway (SR202L) Water and Sewer Design Review and Construction Inspection Oversight project. Further request to authorize execution of amendments to the agreement as necessary within the Council-approved expenditure authority as provided below, and for the City Controller to disburse all funds related to this item. The additional fee for services included in this amendment will not exceed $759,642.
Report
Summary
The purpose of the project is to relocate existing City water and sewer infrastructure associated with the construction of South Mountain Freeway (SR202L). The project includes relocation of approximately 23,000 linear feet of various sized water mains, 9,000 linear feet of various sized sewer mains, and installation of water distribution and transmission mains, with associated appurtenances and portions of the sewer collection system. The Arizona Department of Transportation (ADOT) is managing Design Services separately.
This amendment is necessary because Wilson Engineers, LLC, now in the second year of the project, has encountered several factors with significant impact. Utility relocation design has fallen behind the original schedule and the design review packages have required additional reviews which were not originally anticipated. ADOT's freeway contractor also experienced considerable challenges meeting the schedule and completing construction work for water and sewer relocation associated with the freeway project. Additionally, Wilson Engineers, LLC's level of involvement assisting City operations staff with utility demolition has been higher than was anticipated. Due to these issues, Wilson Engineers, LLC has expended funding quicker than expected. This amendment will provide additional funds to the agreement.
Wilson Engineers, LLC will also provide services for additional installation of a City of Phoenix sewer within the ADOT Right of Way near 17th Avenue and Chandler Boulevard.
Contract Term
This amendment will provide no change to the term of the original agreement, which was three years from the issuance of the Notice to Proceed.
Financial Impact
- The initial agreement for Engineering Services was executed for a fee not to exceed $900,000, including all subconsultant and reimbursable costs.
- This amendment will increase the agreement by an additional $759,642, for a new total not-to-exceed agreement value of $1,659,642, including all subconsultant and reimbursable costs.
Funding for this amendment is available in the Water Services Department's Capital Improvement Program budget. The Budget and Research Department will separately review and approve funding availability prior to the execution of any amendments. Payments may be made up to agreement limits for all rendered agreement services, which may extend past the agreement termination.
Concurrence/Previous Council Action
The City Council approved:
- Engineering Services Agreement 144294 (Ordinance S-43146) on Jan. 11, 2017.
Location
State Route 202 South Mountain Freeway: Interstate 10 - 59th Avenue to South Pecos Road
Council Districts: 6, 8 and Out of City
Department
Responsible Department
This item is submitted by Deputy City Managers Karen Peters and Mario Paniagua, the Water Services Department, and the City Engineer.