Harbor Island Marina Dock-E
Floats & North Pier Improvements
ADDITIONAL CONSTRUCTION FUNDING APPROVAL
July 11, 2023
Item No: 8i_Supp
Meeting Date: July 11, 2023
Authorization Request
HIM Dock-E Floats & North Pier Improvements
Request Commission authorization of additional construction
funding in the amount of $350,000 to replenish project budget
contingency for a total project authorization of $5,350,000.
2
Construction Bid Summary
• Bids advertised April 13, 2023 and opened May 23, 2023
• Engineer's construction estimate: $2,649,000
• 3 construction bids received ranging from $2,991,000 to
$3,798,000
• Prior (at 4/11/23 construction funding authorization)
estimated total construction cost: $3,955,000
• Current estimated total construction cost: $4,305,000
3
Financial Summary
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This Request Total Project
Design and Permitting $0 $1,045,000
Construction $350,000 $4,305,000
Total $350,000 $5,350,000
Construction Schedule Milestones
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Commission construction authorization 4/11/2023
Advertise for construction bids 4/13/2023
Construction contract execution (enabling
start of materials procurement by
Contractor)
July 2023
Construction Notice to Proceed issuance Aug 2023
Phase I construction start 12/15/2023
Phase 2 construction start 12/15/2024
Substantial construction completion 3/31/2025
= Commission Meeting Authorization
Effort
2020 2021 2022 2023 2024 2025
Q1│ Q2 │ Q3│Q4 Q1│ Q2│ Q3│ Q4 Q1 │ Q2│ Q3 │Q4 Q1 │ Q2 │ Q3 │ Q4 Q1 │ Q2 │ Q3 │ Q4 Q1│ Q2│ Q3│Q4
Planning
Design
Permitting
Construction
Bid & Award
Construction
In-water Work
Windows
HIM Dock-E Floats & N. Pier Schedule
6
Project Location
7
HIM Dock-E Floats & North Pier Improvements
Scope of Work
8
Sustainable Evaluation Framework
• Designated as Tier 2 project
• Sustainability Recommendations (Energy & Sustainability
Committee, July 2021) :
– Existing treated timber piles to be eliminated, reducing water quality impacts
– New steel piles and dock floats framework to be epoxy coated (rather than galvanized)
to reduce leaching of zinc into waterway
– Fiberglass grated decking on new dock floats to allow light penetration to the water
below while maintaining ADA accessibility
– High-density polyethylene (HDPE) pipe filled with buoyant foam material to provide
increased durability and corrosion resistance
9
HIM Dock-E Existing Tenant Moorage
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