2019C024 AMENDMENT-1 RUMMEL INCREASE AUTH BOD AGENDA ITEM $33M.PDF

Maricopa County — Formal (2023-03-01)

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Contact Name: Tim Murphy – FCD                                      C Number: C-69-20-014-5-01 
Phone Number:  506-4605                                                              
Return To:  Sharon Rogers – FCD 
Phone Number:  506-6764                                  
                                                   
AMENDMENT TO CONSTRUCTION MANAGER AT RISK 
 Rawhide Wash Flood Hazard Mitigation Project  
 
Action Requested 
Amend the authorization under agenda Item number (C-69-20-014-5-00), which authorized the award of 
a Construction Manager at Risk contract with Rummel Construction, Inc. This amendment will increase 
the current Final Draft Guaranteed Maximum price (GMP) to $30,000,000. The previous amount was 
$15,000,000. 
 
Authorize the Chairman to execute all contracts to Rummel Construction necessary to perform and 
complete all pre-construction and construction activities without further action by the Board of Directors 
provided that the aggregate of all such contracts does not exceed the sum of $30,000,000.  The previously 
approved total aggregate amount for all pre-construction and construction activities was $15,000,000. 
  
On November 6, 2019, the Board of Directors authorized the Project Pre-Construction Services Contract 
FCD 2019C024 (C-69-20-014-5-00) for the not to exceed amount of $500,000 and an estimated 
construction cost of $14,500,000. For a combined total not to exceed $15,000,000. To date, Rummel 
Construction has provided pre-construction services in the amount of approximately $300,000 through the 
final design of Phase 1 and Phase 2. The current construction cost of Phase 1 is $14,300,000, and the 
estimated Phase 2 construction cost is $15,400,000, brings the current combined total estimate to 
$30,000,000. The increase in construction costs can be attributed to project-specific issues during design, 
regulatory agency requirements, constructability input from the contractor, and significant market factors 
such as increasing labor rates, equipment rates, and material prices.  
This Agenda Item impacts Supervisorial Districts 2 and 3. 
Additional Information:   
On April 11, 2018 the Board of Directors adopted Resolution FCD2018R005 (C-69-18-028-6-00) 
authorizing the District to advertise, select, negotiate, and award contracts for engineering and 
construction services, negotiate project IGAs and acquire rights-of-way for the Rawhide Wash Flood 
Hazard Mitigation project. The project includes improvements to existing floodwalls and levees which 
must be certified to meet the Federal Emergency Management Agency’s requirements for floodwalls and 
levees, and the project also includes the construction of new floodwalls and levees to contain the 100-
year flood within the Rawhide Wash corridor. The project construction limits are from Pinnacle Peak 
Road to approximately ½ mile north of Happy Valley Road. This is a complex project and, as such, the 
District selected the CMAR Contractor based on qualifications in order to obtain valuable 
constructability input during the design effort through delivery of pre-construction services under the 
CMAR contracting method. The project partners are the cities of Scottsdale and Phoenix along with the 
Flood Control District