HomeMy WebLinkAboutReg 2025-08-04 Item 6G - Bid Award / Contract - Gilliam Creek Culvert Erosion Repair with Hoffman Construction for $183,639.64 (Plus Contingency)ITEM INFORMATION
STAFF SPONSOR: SHERRY EDQUID ORIGINAL AGENDA DATE: 08/04/25
AGENDA ITEM TITLE Gilliam Creek Culvert Erosion Repair - Construction Bid Award
CATEGORY Discussion Motion Resolution Ordinance Bid Award Public Hearing Other
Mtg Date Mtg Date Mtg Date Mtg Date 8/4/25 Mtg Date Mtg Date
SPONSOR Council Mayor HR DCD Finance Fire TS P&R Police PW Court
SPONSOR’S
SUMMARY
A call for bids was advertised on June 30 and July 7, 2025, editions of the Seattle Times
and DJC. Five (5) bids were opened on July 15, 2025. The bids were tabulated and checked
for errors. The confirmed lowest bidder was Hoffman Construction, Inc. with a bid price of
$182,639.64. This project will repairing eroded portions of the bank and reinforce the
embankment and vegetation restoration. Council is being asked to approve the
construction award with Hoffman Construction, Inc. in the amount of $182,639.64.
REVIEWED BY Trans&Infrastructure CommunitySvs/Safety Finance Comm. Planning/Economic Dev.
LTAC Arts Comm. Parks Comm. Planning Comm.
DATE: 07/28/25 COMMITTEE CHAIR: MOHAMED ABDI
RECOMMENDATIONS:
SPONSOR/ADMIN. Public Works Department
COMMITTEE Unanimous Approval; Forward to the Regular Consent Agenda
COST IMPACT / FUND SOURCE
EXPENDITURE REQUIRED AMOUNT BUDGETED APPROPRIATION REQUIRED
$182,639.64 $479,639.00 $0.00 Fund Source: KC FCD GRANT
Comments:
MTG. DATE RECORD OF COUNCIL ACTION
08/04/25
MTG. DATE ATTACHMENTS
08/04/25 Informational Memorandum dated 07/25/25
Bid tabulation
Gilliam Creek Erosion Repair CIP
Minutes from Transportation and Infrastructure Committee meeting of 07/28/25
C OUNCIL AGENDA S YNOPSIS
----------------------------------Initials --------------------------------- I TEM N O.
Meeting Date Prepared by Mayor’s review Council review
08/04/25 JR 6.G.
Mtg Date 8/4/25
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115
TO: Transportation and Infrastructure Services Committee
FROM: Jen Tetatzin, Public Works Director
BY: Sherry Edquid / Josh Hopkins, Project Manager
CC: Mayor Thomas McLeod
DATE: July 25, 2025
SUBJECT: Gilliam Creek Culvert Erosion Repair
Project No. 82541202
Construction Bid Award
ISSUE
Request Council approval to award the construction contract for the Gilliam Creek Culvert Erosion
Repair to Hoffman Construction, Inc., the lowest responsive and responsible bidder, in amount of
$182,639.64
BACKGROUND
The Gilliam Creek bank upstream of the inlet to the culvert that runs beneath the S. 66th Avenue bridge
has experienced increased scouring over time, particularly in response to large storm events.
Unimpeded scour at this location could compromise the adjacent road embankment. This project
entails repairing eroded portions of the bank by placing rock and boulders to armor the embankment
and protect the inlet, and permeable ballast to reinforce the embankment and vegetation restoration.
Work is anticipated to be completed within approximately 18 working days. The construction schedule
will need to comply with the permitted in-water work window between August 1 and September 30.
DISCUSSION
A call for bids was advertised on June 30 and July 7, 2025, editions of the Seattle Times and DJC. Five
(5)bids were opened on July 15, 2025. The bids were tabulated and checked for errors. Three (3)
bids were above the engineer’s estimate of $339,834.76 and two below. The confirmed lowest bidder
was Hoffman Construction, Inc. with a bid price of $182,639.64.
FINANCIAL IMPACT
Construction costs associated with the Gilliam Creek Culvert Erosion Repair Project are funded by a
King County Flood Control District Flood Reduction grant of $479,639.00.
Contract $182,639.64 KC FCD Grant $479,639.00
Contingency – 20% $36,527.93
Total $219,167.57
RECOMMENDATION
Council is being asked to approve the construction award with Hoffman Construction, Inc. in the
amount of $182,639.64 plus contingency for the Gilliam Creek Culvert Erosion Repair Project and
consider this item on the Consent Agenda at the August 4, 2025 Regular meeting.
Attachments:
Bid tabulation
Gilliam Creek Erosion Repair CIP
116
CITY OF TUKWILA
IEEICLIE33ffiIl=
GILLIAM CREEK CULVERTEROSION REPAIR PROJECT
PROJECT NUMBER: 8125 412 02
July 15, 2025 - 10:00 A.M.
ids were accepted untii the hour of 9,30 a.m. via USPS mail and in -person at the City Clem-counter;
Bidders could access the bid opening and hear bids read plublicly alloud via Microsoft Teams, by dialing
253) 292-9750, Conference ID: 136i 653 345#
BIDDER NAME & SECURM
ADDENDA
ACKNOWLEDGED TOTAL BID PRICE APPARENT
LOWEST BIDDER
DATE OF RECEIPT BID REC'D.?
0) Including Tax) RANK ORDER)
Hloffm,an Construction, Inc Yes X 182,639 64 1
July 15, 2025 @ 9:30AM
TM C Contractors, LLC Yes X 312,394u96 2
July_15, 2025 @ 9:30AM
011s,oun Brothers Excavating, Inc Yes X 36065546,, 3
July 15, 2025 @ 9:30AM
Southworth, & So,ns, Inc
Yes X 448,854.19 4
July 15 20125 @ 9:30AM
Northwest Cascade, Inc Yes X 518,064 53 5
July 15 2025 19:30AM
ENGINIEER'S ESTIMATE 3391834,76
The aibove figures appear as written within bild documents-, and as read aloud at blid
opening. THEY DO NOT, hiowever, REPRESENT ANY BID AWARD, apparent low, or,
otherwise.
M100
117
CITY OF TUKWILA CAPITAL PROJECT SUMMARY
2025 to 2030
PROJECT:Gilliam Creek Erosion Repair Project #82541202
Project Manager Joshua Hopkins Department Surface Water
DESCRIPTION:
JUSTIFICATION:
STATUS:
MAINTENANCE IMPACT:
COMMENT:
FINANCIAL (in thousands) 2025 2026 2027 2028 2029 2030 Beyond TOTAL
Project Costs
Design 128$ -$ -$ -$ -$ -$ -$ 128$
Construction Mgmt. 90$ -$ -$ -$ -$ -$ -$ 90$
Construction 263$ -$ -$ -$ -$ -$ -$ 263$
Total Project Costs 481$ -$ -$ -$ -$ -$ -$ 481$
Project Funding
Proposed Grant 481$ -$ -$ -$ -$ -$ -$ 481$
Total Project Funding 481$ -$ -$ -$ -$ -$ -$ 481$
Stabilize and protect eroded streambank slopes upstream of the 66th Ave S culvert inlet
This project is intended to protect the 66th Ave S roadway infrastructure and prevent future flooding to
Southcenter.
The project has been scoped for design, permitting and construction and a grant applied for with the Flood
Control District to cover all costs.
M&O is for three years, so 3x $8,400. Mitigation is expected in the form of vegetation restoration for
temporary and permanent impacts, cost is unknown.
This work is to occur during the in-water work window for the Green River and Gilliam Creek and may
require mitigation for project impacts to aquatic and stream buffer habitat.
Return to TOCReturn to CIP TOC118
Transportation & Infrastructure Services Committee Minutes ................................................................................. July 28, 2025
E.Bid Award: Gilliam Creek Culvert Erosion Repair
Staff is seeking approval of a contract with Hoffman Construction, Inc. in the amount of
$182,639.64 for construction of the project.
Committee Recommendation
Majority approval. Forward to August 4, 2025 Regular Meeting Consent Agenda.
F.Interlocal Agreement: Water Resource Inventory Area (WRIA) 9
Staff is seeking approval of an interlocal agreement for the Green River, Duwamish River and
Central Puget Sound Watersheds within the planning area of Water Resource Inventory Area
9.
Committee Recommendation
Majority approval. Forward to August 11, 2025 Committee of the Whole.
G.Contract Amendment: Sewer Lift Station 5 Retrofit
Staff is seeking approval of Amendment 2 to the agreement with PACE Engineers, Inc. in the
amount of $99,100.00 for partial engineering inspection services.
Committee Recommendation
Majority approval. Forward to August 4, 2025 Regular Meeting Consent Agenda.
H.Grant Application: South Ryan Way Project.
Staff is seeking Committee approval to apply to the USDOT Safe Streets for All Grant Program
in the amount of $12,240,000 for design and construction funding for the project.
Committee Recommendation
Majority approval.
I.Grant Application: Interurban Avenue Pedestrian Improvements Project.
Staff is seeking Committee approval to apply to the Transportation Improvement Board
Complete Streets Program in the amount of $60,000 for design and construction of the
project.
Committee Recommendation
Majority approval.
J.2024 Annual Bridge Report
Staff provided the report.
Committee Recommendation
Discussion only.
The meeting adjourned at 5:57 p.m.
Committee Chair Approval
Minutes by LH
119