PROPOSED PROFESSIONAL SERVICES
AGREEMENT WITH HAZEN AND SAWYER
FOR ENGINEERING DESIGN
Laguna Treatment Plant Electrical Infrastructure
Improvements Project
BPU Contract Review Subcommittee
March 20, 2024
Greg Dwyer, Associate Engineer
1 Project
Purpose
and
Description
2 The City is Seeking Professional Services
for Engineering Design.
Project will replace major assets within
the electrical distribution system to
provide reliable services into the future.
Much of the electrical infrastructure at
the Laguna Treatment Plant (LTP) is at the
end of its useful service life.
Major Assets to be Replaced per Condition and Risk Assessments from the LTP Power Master Plan, January 2023
Probability of Asset Failure from the LTP Power Master Plan, January 2023
Convert Overhead
Power Lines to
Underground
Existing 12kV overhead wooden power poles
vulnerable to damage from inclement
weather or natural hazards.
Adds resiliency to the power distribution
system and eliminates need for specialized
overhead line work crew.
Incorporate permit / mitigation measures for
ground disturbing activities within California
tiger salamander habitat.
5 West Load
Center
(LC10)
East
Load
Center
(LC20)
North
Load
Center
(LC30)
Meadow
Lane RD
Load Center
(LC40)
South
Load
Center
(LC50)
Switchgear
(SWGR
M1)
3D Modeling to
optimize duct bank
routing/ resolve
potential conflicts
with existing
Utilities
Additional Studies
Llano Pump Station Standby Power Study -
Evaluate and confirm the capacity of existing
standby power and cogeneration system in the
event of a power outage (Fee: $34,680).
Staffing Analysis – Workforce level review to
assess the need for staffing changes for the
upgraded system (Fee: $30,620).
13 Project
Schedule
Project Design: March 2024 to
February 2025.
Environmental: March 2024 to
December 2024.
Procurement: August 2024 to April
2028.
Anticipated BPU Consideration of
Construction Contract Award: March
2026.
Projected Construction: April 2026 to
December 2028.
Proposal Fee Breakdown
HAZEN AND SAWYER PROPOSAL COSTS
Fee Description Fee Cost
Design $1,578,460
Project Management $249,500
Environmental $275,520
Procurement $151,990
Additional Studies $65,300
Subtotal $2,320,770
10% Contingency $232,077
Total Consultant Fee $2,552,847
Proposal Metrics
Description Project Values Industry Standard
2026 Construction Cost $24M
Total Fee (Not Including
Contingency) $2.3M
Design Fee $1.6M
Project Management $250K
Design as a Percent of
Construction Cost 7% 10% - 18%
Project Management as a
Percent of Total Fee 10% 10%-20%
HAZEN AND SAWYER CONSULTANT FEE METRICS
PSA Process
Solicited proposals through the City’s Professional
Services Agreement (PSA) process.
PSA is a competitive process.
Includes Master Professional Services Agreement
(MPSA) consultants who have proven technical
abilities, experience and have already gone through
the City’s contract and insurance approval process.
Provides an opportunity to reach interested
consultants outside the existing MPSA consultant list.
17 Selection Criteria
Request for proposals (RFP) released September 26, 2023 for engineering design and engineering services during construction. (Note: It was decided to postpone engineering services during construction until construction funding has been encumbered). Five Hundred Fifty-Two (552) vendors were notified about the RFP via PlanetBids. Thirty-Seven (37) prospective firms downloaded the RFP documents during the Seven (7) week advertisement period of which two (2) submitted proposals.
Key Selection Criteria:
Responsiveness to RFP
Qualifications of Project Team
Work Plan and Scope of Services
Demonstrated Technical Abilities
References
18 Proposal Selection
Review Panel
Deputy Director
Two (2) Associate
Engineers
Civil Engineering
Technician III
Supervising
Electrical
Technician
Wastewater
Maintenance
Superintendent
Two (2) Proposals
Received
19 Hazen and Sawyer
Complete Proposal that met all RFP
Requirements
Strong Qualifications and
Experience
Detailed Work Plan and Project
Understanding
Contract Cost
Not to Exceed Fee of $2,552,847
Consistent with City Staff Estimate
Recommendation
It is recommended by the Public Works Department
and Santa Rosa Water that the Contract Review
Subcommittee recommend the Board of Public Utilities
approve a Professional Services Agreement with
Hazen and Sawyer to provide engineering design
services for the Laguna Treatment Plant Electrical
Infrastructure Improvements Project.
20 Questions?
21