HomeMy WebLinkAboutTIC 2020-07-20 COMPLETE AGENDA PACKETCity of Tukwila
Transportation and
Infrastructure Committee
•;• Cynthia Delostrinos Johnson, Chair
•••• Verna Seal
•;• Kate Kruller
AGENDA
Distribution:
City Attorney (email)
C. Delostrinos
A. Youn
Johnson (email)
Clerk File Copy
V. Seal
2 Extra
K. Kruller
K. Hougardy
Place pkt pdf on SharePoint:
D. Quinn
Z Trans & Infra Agendas
L. Humphrey
H. Hash
email cover to: F. Ayala,
H. Ponnekanti
A. Le, C. O'Flaherty, A.
H. Kirkland
Youn, B. Saxton, S. Norris,
G. Labanara
L. Humphrey
B. Still (email)
MONDAY, JULY 20, 2020 - 5:30 PM
Virtual Meeting - Members of the public may listen by dialing 1-253-292-9750 and entering conference ID 409 097 377#
(6300 BUILDING, SUITE )
Item
Recommended Action
Page
1. PRESENTATIONS
2. BUSINESS AGENDA
a)
Flood Plain Management Ordinance and Map Update
a)
Forward to 07/27/2020 Committee
Pg. 1
(Ryan Larson)
of the Whole
b)
2020 Overlay and Repair Program Project
b)
Forward to 07/20/20 Regular New
Pg. 25
Bid Award (Scott Bates)
Business
c)
2020 Strander Blvd & Andover Pk. E Sewer Repair
c)
Forward to 07/20/20 Regular New
Pg. 29
Bid Award (Adib Altallal)
Business
d)
Riverton Creek Flap Gate Removal Project
d)
Forward to 08/03/20 Regular
Pg. 33
Bid Award (Mike Perfetti)
Consent Agenda
e)
NPDES Phase II Permit 2019-2024
e)
Forward to 08/03/20 Regular
Pg. 39
Consultant Agreement (Greg Villanueva)
Consent Agenda
3. MISCELLANEOUS
f)
Public Works Shops Update (Hari Ponnekanti)
f)
Discussion only
Pg.47
Future
Agendas:
• 2019 Small Drainage Project
Closeout
Next Scheduled Meeting: Monday, August 3, 2020
SThe City of Tukwila strives to accommodate individuals with disabilities.
Please contact the Public Works Department at 206-433-0179 for assistance.
City of Tukwila
Public Works Department - Henry Hash, Director
INFORMATIONAL MEMORANDUM
TO:
Transportation and Infrastructure Committee
FROM:
Henry Hash, Public Works Director
BY:
Ryan Larson, Program Manager
CC:
Mayor Ekberg
DATE:
July 17, 2020
SUBJECT:
Flood Plain Management Ordinance and Map Update
Allan Ekberg, Mayor
ISSUE
The City's Flood Plain Management Ordinance was passed in 1980 and updated in 1988 and 2002. On
May 15, 2020, the Federal Emergency Management Agency notified all Washington jurisdictions
participating in the National Flood Insurance Program (NFIP) that our Flood Ordinance would require
updates to comply with new federal and state regulations and to adopt revised Flood Insurance Rate
Maps (FIRMs).
BACKGROUND
Public Works used the State's model flood ordinance as a template to update the Flood Ordinance.
This draft was sent to the Department of Ecology and Department of Commerce for review and
approval. The ordinance is also undergoing SEPA review.
DISCUSSION
Both the current ordinance and the draft ordinance include standards and provisions that encourage
sound floodplain management allowing property owners to obtain flood insurance at a more affordable
rate.
The draft ordinance adopts revised FIRMs that better reflect the actual Special Flood Hazard Areas
(SFHA) within the City. The FIRM updates were done for all jurisdictions along the Green/Duwamish
River. In addition, the draft ordinance also clarifies language concerning development within SFHA.
This includes the requirement to obtain a Flood Permit for activities such as filling and grading within a
SFHA even if a structure is not built.
FISCAL IMPACT
Additional development and land clearing activities within the SFHA will now be regulated. This will
require additional staff time to review and approve Flood Permits.
RECOMMENDATION
Council is being asked to approve the updated Flood Plain Management Ordinance and consider this
item at the July 27, 2020 Committee of the Whole meeting and subsequent August 03, 2020 Regular
Meeting.
Attachments: Draft Flood Plain Ordinance
https://Mkwilawa.sharepoint.com/sites/publieworks/engineering/PW Drop Box/01 TIC Agenda/Agenda Items/TIC 07-20-2020/Flood Plain Management Ordinance Update/Info Memo_Floodplain Management
Ordinance.docx 1
DRAFT
AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF
TUKWILA, WASHINGTON, REPEALING ORDINANCE NO. 2038,
AS CODIFIED AS CHAPTER 16.52, "FLOOD PLAIN
MANAGEMENT;" REENACTING TMC CHAPTER 16.52 TO
UPDATE FLOOD PLAIN MANAGEMENT REGULATIONS AND
POLICIES AS REQUIRED OF JURISDICTIONS PARTICIPATING IN
THE NATIONAL FLOOD INSURANCE PROGRAM; PROVIDING
FOR SEVERABILITY; AND ESTABLISHING AN EFFECTIVE DATE.
WHEREAS, flood hazard areas in Tukwila are subject to periodic inundation which
may result in loss of life or property, may create health or safety hazards, may disrupt
commerce or governmental services, may cause extraordinary public expenditures for
flood protection and relief, or might impair the tax base, all of which adversely affect the
public health, safety, and general welfare; and
WHEREAS, these flood losses may be caused by the cumulative effect of
obstructions in areas of special flood hazards that increase flood heights and velocities,
and damage uses in other areas when inadequately anchored; and
WHEREAS, uses that are inadequately flood -proofed, elevated or otherwise
protected from flood damage can contribute to losses due to flooding; and
WHEREAS, the Legislature of the State of Washington delegated the responsibility
to local governmental units of adopting regulations designed to promote the public
health, safety, and general welfare of its citizenry; and
WHEREAS, in Title 86 of the Revised Code of Washington, the Legislature of the
State of Washington authorized local governmental agencies to regulate use and
development of flood hazard areas within their jurisdictions in order to reduce such
hazards; and
WHEREAS, continued participation by the City of Tukwila in the National Flood
Insurance Program requires adoption of flood plain management standards and a
floodplain construction permit process; and
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WHEREAS, on July 27, 2020, the Tukwila City Council, following adequate public
notice, held a public hearing to receive testimony on the proposed ordinance;
NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF TUKWILA,
WASHINGTON, HEREBY ORDAINS AS FOLLOWS:
Section 1. Repealer. Ordinance No. 2038, as codified as Tukwila Municipal Code
(TMC) Chapter 16.52, "Flood Plain Management," is hereby repealed.
Section 2. TMC Chapter 16.52 Reenacted. TMC Chapter 16.52 is hereby re-
enacted to read as follows:
CHAPTER 16.52
FLOOD PLAIN MANAGEMENT
Sections:
16.52.010
Auth **Statutory Authorization
16.52.020
Purpose
16.52.030
Definitions
16.52.040
Applicability
16.52.050
Basis for Establishing the Areas of Special Flood Hazard
16.52.060
Interpretation
16.52.070
Warning and Disclaimer of Liability
16.52.080
Administration
16.52.090
Permits
16.52.100
Standards
16.52.110
Floodways
16.52.120
Critical Facility
16.52.125
Compliance
16.52.130
Penalties
16.52.140
Abrogation and Greater Restrictions
Section 3. TMC Section 16.52.010 is hereby reenacted to read as follows:
16.52.010 Authority y Statutory Authorization
The Legislature of the State of Washington delegated the responsibility to the City
of Tukwila to adopt regulations designed to promote the public health, safety, and
general welfare of its citizenry.
Section 4. TMC Section 16.52.020 is hereby reenacted to read as follows:
16.52.020 Purpose
This chapter aims to promote the public health, safety, and general welfare, and to
minimize public and private losses due to flood conditions in specific areas, by
provisions designed to:
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1. Protect human life and health;
2. Minimize expenditure of public money and costly flood control projects;
3. Minimize the need for rescue and relief efforts associated with flooding and
generally undertaken at the expense of the general public;
4. Minimize prolonged business interruptions;
5. Minimize damage to public facilities and utilities such as water and gas
mains, electric, telephone and sewer lines, streets, and bridges located in areas of
special flood hazard;
6. Help maintain a stable tax base by providing for the sound use and
development of areas of special flood hazard so as to minimize future flood blight areas;
7. Ensure that potential buyers are notified that property is in an area of
special flood hazard; aP4
8. Ensure that those who occupy the areas of special flood hazard assume
responsibility for their actions; and.
9. Participate in and maintain eligibility for flood insurance and disaster relief.
Section 5. TMC Section 16.52.030 is hereby reenacted to read as follows:
16.52.030 Definitions
Unless specifically defined below, words or phrases used in this chapter shall be
interpreted to give them the meaning they have in common usage and to give this
chapter its most reasonable application.
._
C�,\\�lJ'\'I�t1t1�1�1!��:1!►�ll�ll:t7 t7'L �L li�ias�11�1i���li �\\��i\;
I _ •
1. Alteration of watercourse: Any action that will change the location of the
channel occupied by water within the banks of any portion of a riverine waterbody.
- -. Appeal mn,eaR A request for a review of the interpretation of any
provision of this chapter or a request for a variance.
3. Area of shallow flooding: A designated zone AO, AH, AR/AO or AR/AH
(or VO) on a community's Flood Insurance Rate Map (FIRM) with a one percent or
greater annual chance of flooding to an average depth of one to three feet where a
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4
clearly defined channel does not exist, where the path of flooding is unpredictable, and
where velocity flow may be evident. Such flooding is characterized by ponding or sheet
flow. Also referred to as the sheet flow area.
4. Area of special flood hazard: The land in the floodplain within a
community subject to a 1 percent or greater chance of flooding in any given year. It is
shown on the Flood Insurance Rate Map (FIRM) as zone A, AO, AH, Al-30, AE, A99,
AR (V, VO, V1-30, VE). "Special flood hazard area" is synonymous in meaning with the
phrase "area of special flood hazard".
5. ASCE 24: The most recently published version of ASCE 24, "Flood
Resistant Design and Construction", published by the American Society of Civil
Engineers.
56. Base flood: R;ea ;s The flood having a 1 % chance of being equaled or
exceeded in any given year; J44 —also referred to as the "100-year flood"). 4s
deSigRatiE)n Grp mark always ORGlu des the letter A
7. Base Flood Elevation (BFE): The elevation to which floodwater is
anticipated to rise during the base flood.
68. Basement: means Any area of the building having its floor sub -grade
(below ground level) on all sides.
9. Buildina: See "Structure."
10. Building Code: The current editions of the building codes and
amendments adopted by Washington State and amended by the City of Tukwila.
11. Breakaway wall: A wall that is not part of the structural support of the
building and is intended through its design and construction to collapse under specific
lateral loading forces, without causing damage to the elevated portion of the building or
supporting foundation system.
712. Critical facility_ n4eapTA facility for which even a slight chance of
flooding might be too great. Critical facilities include, but are not limited to, schools;
nursing homes; hospitals; police, fire and emergency response installations; and
installations `"'hamthat produce, use, or store hazardous materials or hazardous waste.
613. Development: mean-s Any man-made change to improved or
unimproved real estate, including, but not limited to, buildings or other structures,
mining, dredging, filling, grading, paving, excavation or drilling operations a A -or storage
of equipment or materials located within the area of special flood hazard.
914. Director: means The Director of Public Works or h&-designee.
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15. Elevation Certificate: An administrative tool of the National Flood
Insurance Program (NFIP) that can be used to provide elevation information, to
determine the proper insurance premium rate and to support a request for a Letter of
Map Amendment (LOMA) or Letter of Map Revision based on fill (LOMR-F).
4416. Elevated building: fee ans For insurance purposes, a non -basement
building `"'b�that has its lowest elevated floor raised above ground level by foundation
walls, shear walls, posts, piers, pilings, or columns.
17. Essential facility: This term has the same meaning as "Essential Facility"
defined in ASCE 24. Table 1-1 in ASCE 24-14 further identifies building occupancies
that are essential facilities.
12. "Existing M a fired Herne Park er S bdiyisien" moons a manufactu
e at a e
utilities, the
+ streets,
i i nerino of GGRGrete '''c pads) is GOFnpieted before '1 Q81 �etieGtl� a date of Tulk niilo's
c.�vr�rv�v� � v� ��
original flee dnlain maRage eRt regulations
13. "Expansion to on ��tiRgMa a iron! Herne Dort or Subdivision" mea
affixed,whiGh the rnanufaGtured hernes are to be the e
streets, the
EElm 9gig LEAiYf::fC1:I.ldT:■!!T_R1:T:Gm/dMEW ffvr. fAM21
18. Flood or Flooding: means
La� A general and temporary condition of partial or complete inundation of
normally dry land areas from:
a:Ljj The overflow of inland or tidal waters.- and/sr
b-.0 The unusual and rapid accumulation or runoff of surface
waters from any source...; and/or
(3) Mudslides (i.e., mudflows), which are proximately caused by
flooding as defined in subparagraph (a)(2) of this definition and are akin to a river of
liquid and flowing mud on the surfaces of normally dry land areas, as when earth is
carried by a current of water and deposited along the path of the current.
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(b) The collapse or subsidence of land along the shore of a lake or other
body of water as a result of erosion or undermining caused by waves or currents of
water exceeding anticipated cyclical levels or suddenly caused by an unusually high
water level in a natural body of water, accompanied by a severe storm, or by an
unanticipated force of nature, such as flash flood or an abnormal tidal surge, or by some
similarlv unusual and unforeseeable event that results in floodina as defined in
subparagraph (a)(1) of this definition.
19. Flood elevation study: An examination, evaluation, and determination of
flood hazards and, if appropriate, corresponding water surface elevations, or an
examination. evaluation and determination of mudslide (i.e.. mudflow) and/or flood -
related erosion hazards. Also known as a Flood Insurance Study (FIS).
20. Flood Insurance Rate Map (FIRM):means The official map of a
community on which the Federal Insurance Administrator has delineated both the areas
o' special flood hazard areas and the risk premium zones applicable to the community.
A FIRM that has been made available digitally is called a Digital Flood Insurance Rate
Map (DFIRM).
21. Floodalain or flood -prone area: Any land area susceptible to being
inundated by water from any source. See "Flood or Flo oding.,,
22. Floodalain Administrator: The communitv official desianated by title to
administer and enforce the floodplain management regulations.
23. Floodalain manaaement reaulations: Zonina ordinances. subdivision
regulations, building codes, health regulations, special purpose ordinances (such as
floodplain ordinance, grading ordinance and erosion control ordinance) and other
application of police power. The term describes such state or local regulations, in any
combination thereof. that Drovide standards for the Duraose of flood damaae prevention
and reduction.
24. Flood oroofina: Anv combination of structural and nonstructural
additions, changes, or adjustments to structures that reduce or eliminate risk of flood
damage to real estate or improved real property, water and sanitary facilities, structures,
and their contents. Flood -proofed structures are those that have the structural integrity
and design to be impervious to floodwater below the Base Flood Elevation.
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2825. Floodway_,,,eans The channel of a river or other watercourse and
the adjacent land areas that must be reserved in order to discharge the base flood
without cumulatively increasing the water surface elevation more than one feet a
designated height. Also referred to as "Regulatory Floodway."
26. Functionally dependent use: A use that cannot perform its intended
e unless it is located or carried out in close proximity to water. The term includes
only docking facilities, port facilities that are necessary for the loading and unloading of
cargo or passengers, and ship building and ship repair facilities, and does not include
Iona -term storaae or related manufacturina facilities.
27. Highest adjacent grade: The highest natural elevation of the ground
surface prior to construction next to the proposed walls of a structure.
28. Historic structure: Any structure that is:
a. Listed individually in the National Register of Historic Places (a listing
maintained by the Department of the Interior) or preliminarily determined by the
Secretary of the Interior as meeting the requirements for individual listing on the
National Register;
b. Certified or preliminarily determined by the Secretary of the Interior as
contributing to the historical significance of a registered historic district or a district
Preliminarily determined by the Secretary to qualify as a registered historic district:
c. Individually listed on a state inventory of historic places in states with
historic preservation programs that have been approved by the Secretary of the
Interior; or
d. Individually listed on a local inventory of historic places in communities
with historic preservation programs that have been certified either:
(1) By an approved state program as determined by the Secretary of
the Interior, or
(2) Directly by the Secretary of the Interior in states without approved
programs.
2-429. Lowest floor: means The lowest floor of the lowest enclosed area
(including basement). if- An unfinished or flood -resistant enclosure, iced —usable
solely for "ohmparking of vehicles, building access; or storage,, Of this eRGIOS 1r,-e-is in
an area other than a basement area, and Of th;u en^'�eis not considered a building's
lowest floor, provided that such enclosure 'I^ an area other than a basement is not built
so thaws to render the structure meets in violation of the applicable non -elevation
design requirements of this chapter (i.e. provided there are adequate flood ventilation
o enin s '
lewest fleG�r.
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?530. Manufactured home A structure, transportable in one or more
sections, that is built on a permanent chassis and is designed for use with or without a
permanent foundation when attached to the required utilities. The term "manufactured
home" does not include a "recreational vehicle."
Manufactured home park or subdivision A parcel (or
contiguous parcels) of land divided into two or more manufactured home lots for rent or
sale.
32. Mean sea level: For purposes of the National Flood Insurance Program,
the vertical datum to which Base Flood Elevations shown on a community's Flood
Insurance Rate Map are referenced.
2733. New construction_: For the purposes of determining insurance rates,
structures for which the "start of construction" commenced on or after 4491, the
effective date of Fi kwila's erigiRal flee dnlain management regulations an initial Flood
Insurance Rate Map or after December 31, 1974, whichever is later, and includes any
subsequent improvements to such structures. For floodplain management purposes,
"new construction" means structures for which the "start of construction" commenced on
or after the effective date of a floodplain management regulation adopted by a
community and includes any subsequent improvements to such structures.
2934. "NFIP" means National Flood Insurance Program.
35. One -hundred -year flood or 100-year flood: See "Base flood."
36. Reasonably safe from flooding: Development that is designed and built
to be safe from flooding based on consideration of current flood elevation studies,
historical data, high water marks and other reliable data known to the community. In
unnumbered "A" zones where flood elevation information is not available and cannot be
obtained by practicable means, "reasonably safe from flooding" means the lowest floor
is at least two feet above the Highest Adjacent Grade.
3037. Recreational vehicle: A vehicle:
a. Built on a single chassis;
b. 400 square feet or less when measured at the largest horizontal
projection
c. Designed to be self-propelled or permanently towable by a light -duty
truck; and
d. Designed primarily for use as a permanent dwelling but as
temporary living quarters for recreational, camping, travel, or seasonal use.
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'Will
010. 1l
OWN-
IN
1
-32-38. "Special Flood Hazard Area S( FHA)"_meaRTThe land in the flood
plain subject to a 1 % or greater chance of flooding in any given year. It is also referred
to as the 100-year flood elevation or the base flood elevation. These areas are
designated on Flood Insurance Rate Maps (FIRMs) using the letters A or V. Special
flood hazard areas include flood -prone areas designa ted by the City.
-3439. Start of construction_: Fnea ;S Includes substantial improvement and
means the date the building permit was issued, provided the actual start of construction,
repair, reconstruction, rehabilitation, addition, placement, or other improvement
GGGUrred was within 180 days from the date of the permit date. The actual start means
either the first placement of permanent construction of a structure on a site, such as the
pouring of slab or footings, the installation of piles, the construction of columns, or any
work beyond the stage of excavation; or the placement of a manufactured home on a
foundation. Permanent construction does not include land preparation, such as
clearing, grading, and filling; nor does it include the installation of streets and/or
walkways; nor does it include excavation for a basement, footings, piers, or foundations
or the erection of temporary forms; nor does it include the installation on the property of
accessory buildings, such as garages or sheds not occupied as dwelling units or not
part of the main structure. For a substantial improvement, the actual start of
construction means the first alteration of any wall, ceiling, floor, or other structural part
of a building, whether or not that alteration affects the external dimensions of the
building.
-540. Structure: means For floodplain management purposes, a walled and
roofed building, including a gas or liquid storage tank, that is principally above ground.,
as well as a manufactured home.
3641. Substantial Damage:,,,eaRs Damage of any origin sustained by a
structure whereby the cost of restoring the structure to its before -damaged condition
would equal or exceed 50 percent of the market value of the structure before the
damage occurred.
3742. Substantial improvement: means Any repair, reconstruction,
rehabilitation, addition, or other improvement of a structure, the cost of which equals or
exceeds 50 percent of the aced -market value of the structure before the "start of
construction" of the improvement. This term includes structures that have incurred
"substantial damaae." reaardless of the actual repair work performed. The term does
not. however. include either:
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- 7a. Before the improvement or repair is staFted, er Any project for
improvement of a structure to GO tcorrect previously identified existing
violations of state or local health, sanitary, or safety code specifications that have been
identified by the local code enforcement official and that are the minimum �.�"�?
necessary to assure safe living conditions; or
{2-}b. Befere damage GGGTITT 'cam -Of the 6tFW iro is be+Rg reetered Any
alteration of a "historic structure," StFUEture listed on the National Registry of H;StG
OG
R'aEeser a State iRventer"uteri-ptaeesrprovided that the alteration will not
preclude the structure's continued designation as a "historic structure."
43. Variance: A grant of relief by a community from the terms of a floodplain
management regulation.
44. Violation: The failure of a structure or other development to be ful
compliant with the community's floodplain management regulations. A structure or
other development without the elevation certificate, other certifications, or other
evidence of compliance required in this chapter is presumed to be in violation until such
time as that documentation is a arant of relief by a community from the terms of a
floodplain management regulation.
45. Water surface elevation: The height, in relation to the vertical datum
utilized in the applicable flood insurance study of floods of various magnitudes and
frequencies in the floodplains of coastal or riverine areas.
46. Water Dependent: A structure for commerce or industry that cannot exist
in any other location and is dependent on the water by reason of the intrinsic nature of
its operations.
Section 6. TMC Section 16.52.040 is hereby reenacted to read as follows:
16.52.040 Applicability
This chapter applies to all special flood hazard areas within the City of Tukwila
jurisdiction.
Section 7. TMC Section 16.52.050 is hereby reenacted to read as follows:
16.52.050 Basis for Establishing the Areas of Special Flood Hazard Areas
A. The basis flood hazard areas identified by the Federal Insurance
Administratoriea is -in a scientific and engineering report entitled "The Flood Insurance
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Study (FIS) for King County, Washington and Incorporated Areas" dated no^omhor
�n�August 19, 2020, and any revisions thereto, with aR accompanying Flood
Insurance Rate Maps (FIRMs) dated August 9, 2020 and any revisions thereto, are
hereby adopted by reference and declared to be a part of this chapter. The Flood
Insu,-ar j-EIS and the FIRMs are on file at 6300 Southcenter Boulevard, Suite
100.
The best available information for flood hazard area identification as outlined in
TMC Section 16.52.080. 2 shall be the basis for regulation until a new FIRM is
issued which incorporates this data.
Section 8. TMC Section 16.52.060 is hereby reenacted to read as follows:
16.52.060 Interpretation
In the interpretation and application of TMC Chapter 16.42, all provisions shall be:
1. Considered as minimum requirements;
2. Liberally construed in favor of the governing body; and
3. Deemed neither to limit nor repeal any other powers granted under State
statutes.
Section 9. TMC Section 16.52.070 is hereby reenacted to read as follows:
16.52.070 Warning and Disclaimer of Liability
The degree of flood protection required by TMC Chapter 16.52 is considered
reasonable for regulatory purposes and is based on scientific and engineering
considerations. Larger floods can and will occur on rare occasions. Flood heights may
be increased by man-made or natural causes. This chapter does not imply that land
outside the areas of special flood hazards or uses permitted within such areas will be
free from flooding or flood damages. This chapter shall not create liability on the part of
the City of Tukwila, any officer or employee thereof, or the Federal Insurance
Administration for any flood damages that result from reliance on this chapter or any
administrative decision lawfully made hereunder.
Section 10. TMC Section 16.52.080 is hereby reenacted to read as follows:
16.52.080 Administration
A. The Public Works Director is hereby appointed to administer-and, implement,
and enforce this ordinance by granting or denying development permits appliGatiens in
accordance with its provisions. The Floodplain Administrator may delegate authority to
implement these provisions.
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The Director may:
1. Restrict or prohibit Se:WhiGh Fnight GFeate a danger --development that is
dangerous to health, safety, and property due to water or erosion hazards, or which
might rRGFease'-result in damaging increases in erosion, or in flood heights or
velocities;
2. Require that uses development vulnerable to floods, On^I„diRg fa^ilitieG
con,inn cij^h uses, be GenStrU Gted to protect be protected against flood damage at the
time of initial construction;
3. Control the alteration of saw^teeter—features SUGh—as natural
floodplains, stream channels, and natural protective barriers . that retain which help
accommodate or channel flood waters;
4. Control filling, grading, dredging and other development which may
increase flood damage; and
5. Prevent or regulate the construction of flood barriers that would unnaturally
divert floodwaters or that might increase flood hazards in other areas.
The Director's duties shall include, but shall not be limited to:
1. Permit Review.
a. Review all development permits to determine that the permit
requirements of this chapter have be en satisfied.
b. Review all development permits to determine that all necessary
permits have been obtained from those Federal, State, or local governmental agencies
from which prior approval is required.
c. The site is reasonably safe from flooding.
Ed. Review all development permits to determine if the proposed
development is located in the floodway, and ensure that the encroachment provisions of
TMC Section 16.52.110, "Floodways " are met.
e. Notify FEMA when annexations occur in the Special Flood Hazard
2. Special Flood Hazard Area.
a. When base flood elevation data has not been provided in A zones, the
Director shall obtain, review, and reasonably utilize any base flood elevation and
floodway data available from a Federal, State or other source, in order to administer
TMC Chapter 16.52.
b. Where elevation data is not available either through the Flood
I;sUranGe may FIS, FIRM, or from another authoritative source ( MC Section
16.52.080), theDireEter shall review applications for building narn*s—floodplain
development shall be reviewed to assure that proposed construction will be reasonably
safe from flooding. The test of reasonableness is a local judgment and includes use of
historical data, high water marks, photographs of past flooding, etc., where available.
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Failure to elevate at least two feet above the highest adjacent grade in these zones may
result in higher insurance rates.
c. Where needed, the Director shall interpret exact location of the
boundaries of the areas of special flood hazards — for example, where there appears to
be a conflict between a mapped boundary and actual field conditions. The Director
shall provide the person contesting the boundary location a reasonable opportunity to
appeal the interpretation. Such appeals shall be granted consistent with the standards
of Section 60.6 of the Rules and Regulations of the National Flood Insurance Program
(44 CFR 59-76).
3. Changes to Special Flood Hazard Area.
a. If a project will alter the Base Flood Elevation (BFE) or boundaries of
the Special Flood Hazard Area (SFHA), then the project proponent shall provide the
community with engineering documentation and analysis regarding the proposed
change. If the change to the BFE or boundaries of the SFHA would normally require a
Letter of Map Change, then the project proponent shall initiate, and receive approval of,
a Conditional Letter of Map Revision (CLOMR) prior to approval of the development
permit. The project shall be constructed in a manner consistent with the approved
CLOMR.
b. If a CLOMR application is made, the project proponent shall also
supply the full CLOMR documentation package to the Floodplain Administrator to be
attached to the floodplain development permit, including all required property owner
notifications.
34. Watercourse Alteration.
a. Notify adjacent communities and the Department of Ecology (DOE)
prior to any alteration or relocation of a watercourse, and submit evidence of such
notification to the Federal Insurance Administration through appropriate notification
means. (44 CFR 60.3(b)(6))
b. Require that maintenance be provided within the altered or relocated
portion of said watercourse so that the flood carrying capacity is not diminished.
— In formationManagementto be Obtained and Maintained.
a. Where base flood elevation data is provided through the Flood
Inca iranG8 Study, FIS, FIRM, or required as in TMC Section 16.52.080.9C.2, obtain and
maintain a record of the actual as -built elevation (in relation to mean sea level) of the
lowest floor (including basement) of all new or substantially improved structures, and
acrwhether or not the structure contains a basement.
b. For all new or substantially improved flood -proofed nonresidential
structures where base flood elevation data is provided through the Fleed Inca iranno
Stud}—,FIS, FIRM, or as required in TMC Sectior 16.52.080J�C.2:
(1) Obtain and maintain a record of the elevation (in relation to mean
sea level) to which the structure was flood-proofedand.
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16.52.090, D.3.
issuance.
(2) Maintain the flood -proofing certifications required in TMC Section
c. Certification required by TMC Section 16.52.110.A.1.
d. Records of all variance actions. includina iustification for their
e. Improvement and damage calculations.
ef. Maintain for public inspection all records pertaining to the provisions of
this ordinance.
Section 11. TMC Section 16.52.090 is hereby reenacted to read as follows:
16.52.090 Permits
A. A Flood Zone Control Permit (FZCP) shall be obtained before construction or
development begins within any area of special flood hazard established in TMC Section
16.52.050. The permit shall be for all structures including manufactured homes, as set
forth in the "Definitions," and for all development including clearing, filling, grading, and
other activities. also as set forth in the "Definitions."
B. Application for an FZCP shall be submitted with the project application for a
clearing and grading permit, shoreline permit, plat or subdivision permit, or a building
permit, whichever comes first.
C. An FZCP is a Type 1 permit processed pursuant to TMC Section 18.108.010.
D. Application for an FZCP shall be made on forms furnished by the City and shall
meet the City's standards for plan submittals. The applicant must provide the following
information:
1. Elevation in relation to mean sea level, of the lowest floor(including
basement) of all structures recorded on a current elevation certificate with Section B
completed by the Floodplain Administrator;
2. Elevation in relation to mean sea level to which any structure has been
flood -proofed;
3. Where a structure is to be flood -proofed, certification by a registered
professional engineer or architect that the flood -proofing methods for any nonresidential
structure meet fie -flood -proofing criteria in TMC Section 16.52.100 B.2;-and
4. Description of the extent to which a watercourse will be altered or relocated
as a result of proposed development..-i
5. Where development is proposed in a floodway, an engineering analysis
determination of no rise of the Base Flood Elevation, and
6. Any other such information that may be reasonably required by the
Floodplain Administrator in order to review the application.
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Section 12. TMC Section 16.52.100 is hereby reenacted to read as follows:
16.52.100 Standards
A. General Standards. In all areas of special flood hazards, the following
standards are required:
1. Elevation. Where flood elevation data is not available, either through the
FIRM or from another authoritative source, all new construction and substantial
improvements shall be elevated at least two feet above the highest adjacent grade.
2. Anchoring.
a. All new construction and substantial improvements, including those
related to manufactured homes, shall be anchored to prevent flotation, collapse, or
lateral movement of the structure resulting from hydrodynamic and hydrostatic loads,
including the effects of buoyancy.
b. All manufactured homes must inkewmAp shall be anchored to prevent
flotation, collapse, or lateral movement, and shall be installed using methods and
practices that minimize flood damage. Anchoring methods may include, but are not
limited to, use of over -the -top or frame ties to ground anchors (Teferet�Ge��
nnnMaRufaEt+Umoed Home IRstal�iiOR OR Flood Hazard Areas CbTFerodrdi al
teGhRiq eo&)
3. Construction Materials and Methods.
a. All new construction and substantial improvements shall be
constructed with materials and utility equipment resistant to flood damage.
b. All new construction and substantial improvements shall be
constructed using methods and practices that minimize flood damage.
c. All new construction and substantial improvements on slopes shall
have drainage paths to guide floodwaters around and away from proposed structures.
d. Electrical, heating, ventilation, plumbing and air-conditioning
equipment and other service facilities shall be designed and/or otherwise elevated or
located so as to prevent water from entering or accumulating within the components
during conditions of flooding.
4. Storage of Materials and Equipment.
a. The storage or processing of materials that could be injurious to
human, animal, or plant life if released due to damage from flooding are prohibited in
special flood hazard areas.
b. Storage of other material or equipment may be allowed if not subject to
damage by floods and if firmly anchored to prevent flotation, or if readily removable from
the area within the time available after flood warnina.
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45. Utilities.
a. All new and replacement water supply systems shall be designed to
minimize or eliminate infiltration of flood waters into the systems;
b. A proposed water well shall be approved by Department of Ecology
(`^G173 1�) and be located on high ground that is not in the floodway;
c. New and replacement sanitary sewage systems shall be designed to
minimize or eliminate infiltration of flood waters into the systems and discharges from
the systems into flood waters; and
d. Onsite waste disposal systems shall be located to avoid impairment to
them or contamination from them during flooding.
-56. Subdivisions Proposals and Development. All subdivisions, as well as new
development shall:
a. Alll subdo„isi^„ salshall consistent with the need to
minimize flood damage;
b. Alll sub di„isi^n prepesail_s shall RHave public utilities and facilities -
such as sewer, gas, electrical and water systems - located and constructed to minimize
or eliminate flood damage;
c All su bdiVis iOR pFep^sals shall "Have adequate drainage provided, to
reduce exposure to flood damage; and,
d. \VVheFe base fleed eleyatioR data has n�vc 'cR provided OF 06 Rr^vc
available from aReth +tatiVe SG FGe it shall h^ geRerated f^r Where subdivision
-v-c svcrrc�nun--v�gcr rcrcrcca--ivr-
proposals and other proposed developments that -contain at lea&t-greater than 50 lots or
5 acres (whichever is less -the lesser), base flood elevation data shall be included as
part of the application.
B. Specific Standards. In all areas of special flood hazards where Base Flood
Elevation data has been provided as set forth in TMC Section 16.52.050 or TMC
Section 16.52.080.C.2, the following provisions are required:
1. Residential Construction.
a. New construction and substantial improvement of any residential
structure shall have the lowest floor, including basement, elevated one foot or more
above the Base Flood Elevation. Mechanical equipment and utilities shall be
waterproofed or elevated one or more feet above the Base Flood Elevation.
b. Fully enclosed areas below the lowest floor that are subject to flooding
are prohibited, or shall be designed to automatically equalize hydrostatic flood forces on
exterior walls by allowing for the entry and exit of floodwaters. Designs for meeting this
requirement must either be certified by a registered professional engineer or architect,
and must meet or exceed the following minimum criteria:
(1) A minimum of two openings having a total net area of not less than
one square inch for every square foot of enclosed area subject to flooding shall be
provided.
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(2) The bottom of all openings shall be no higher than one foot above
grade.
(3) Openings may be equipped with screens, louvers, or other
coverings or devices provided that they permit the automatic entry and exit of
floodwaters.
2. Nonresidential Construction:
a. New construction and substantial improvement of any commercial,
industrial or other nonresidential structure shall either have the lowest floor, including
basement, elevated one foot or more above the base flood elevation, or elevated as
required bV ASCE 24, whichever is greater, or together with attendant utility and
sanitary facilities, shall:
(1) Be dry flood -proofed so that below one foot or more above the
base flood level the structure is watertight with walls substantially impermeable to the
passage of water or dry flood -proofed to the elevation required by ASCE 24, whichever
is greater;
(2) Have structural components capable of resisting hydrostatic and
hydrodynamic loads and effects of buoyancy; and
(3) Be certified by a registered professional engineer or architect that
the design and methods of construction are in accordance with accepted standards of
practice for meeting provisions of this subsection based onthat eRgiReeF's er arnhiteGt's
their development and/or review of the structural design, specifications and plans. Such
certifications shall be provided to the official as set forth in TMC Section 16.52.080.C.5.
b. Nonresidential structures that are elevated, not flood -proofed, must
meet the same standards for space below the lowest floor as described in TMC Section
16.52.100, B.1.b., for residential construction.
c. The City shall notify applicants who propose to flood -proof
nonresidential buildings that flood insurance premiums will be based on rates that are
one foot below the flood -proofed level (e.g. a building flood -proofed to the base flood
level will be rated as one foot below). Flood -proofing the building an additional foot will
reduce insurance premiums significantly.
3. Manufactured Homes:
a. All manufactured homes to be placed or substantially improved on
sites, outside of a manufactured home park or subdivision, in a new manufactured
home park or subdivision, in an expansion to an existing manufactured home park or
subdivision, or in an existing manufactured home park or subdivision on which a
manufactured home has incurred "substantial damage" as the result of a flood, shall be
elevated on a permanent foundation such that the lowest floor of the manufactured
home is elevated one foot or more above the base flood elevation and be securely
anchored to an adequately -designed foundation system to resist flotation, collapse and
lateral movement.
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b. Manufactured homes to be placed or substantially improved on sites in
an existing manufactured home park or subdivision that are not subject to the above
manufactured home provisions shall be elevated so that either:
(1) The lowest floor of the manufactured home is elevated one foot or
more above the base flood elevation, or
(2) The manufactured home chassis is supported by reinforced piers
or other foundation elements of at least equivalent strength that are no less than 36
inches in height above grade and be securely anchored to an adequately designed
foundation system to resist flotation, collapse and lateral movement.
4. Recreational Vehicles. Recreational vehicles placed on sites are required
to either:
a. Be on the site for fewer than 180 consecutive days;
b. Be fully licensed and ready for highway use, on its wheels or jacking
system, be attached to the site only by quick disconnect type utilities and security
devices, and have no permanently attached additions; or
c. Meet the requirements for manufactured homes, including the
elevation and anchoring requirements for manufactured homes.
5. Enclosed Areas Below the Lowest Floor. If buildings or manufactured
homes are constructed or substantially improved with fully -enclosed areas below the
lowest floor, the areas shall be used solely for parking of vehicles, building access, or
storage.
C. Green River. In addition to the general and specific standards in the section,
the following standards apply to all areas adjacent to the Green River:
1. Construction/Reconstruction of Dikes/Levees: As part of the flood -proofing
for developments adjacent to the Green River through Tukwila, construction or
reconstruction of the dike/levee system, in accordance with dike/levee plans and
engineering studies, and in accordance with the Green River Management Agreement
(AG No. 85-043), will be required as part of the plan submittal.
2. If dike/levee improvements are not required, and the natural riverbank is
allowed as bank protection, then a riverbank stability analysis shall be provided to the
Public Works Department for review as part of the plan submittal.
3. Dedication of levee/dike/riverbank access construction and maintenance
easements on all properties adjacent to the Green River shall, as part of their
development, dedicate construction and maintenance easements for access and
maintenance of existing or future dikes/levees/riverbanks along the Green River as part
of their plan submittal. These easements shall be provided in such a manner so that
immediate access is allowed from other public rights -of -way for maintenance and
construction of dikes/levees.
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Section 13. TMC Section 16.52.110 is hereby reenacted to read as follows:
16.52.110 Floodways
A. €leedwas are ILocated within areas of special flood hazard areas established
in TMC Section 16.52.050 are areas designated as floodways. Fleedwat - ,^„+hi.n
Since the floodways are an extremely hazardous area due to the high floe, .,ol^^;+cos
velocity These^s^ ..a+^rs of floodwaters that can carry debris and potential preje^+il and
have a high potential for eresigri increase erosion potential, the following provisions
apply:
2-1. No Rise Standard. Prohibit encroachments, including fill, new construction,
substantial improvements, and other development, unless certification by a registered
professional engineer eeFt+f+es, is provided demonstrating, through hydrologic and
hydraulic analyses performed in accordance with standard engineering practice, that the
proposed encroachment would not result in any increase in flood levels during the
occurrence of the base flood discharge.
2. Residential Construction in Floodways. Construction or reconstruction of
residential structures is prohibited within designated floodways, except for: (i) repairs,
reconstruction, or improvements to a structure that do not increase the ground floor
area; and (ii) repairs, reconstruction, or improvements to a structure, the cost of which
does not exceed 50 percent of the market value of the structure either, (a) before the
repair or reconstruction is started. or (b) if the structure has been damaaed. and is beina
restored, before the damage occurred. Any project for improvement of a structure to
correct existing violations of state or local health, sanitary, or safety code specifications
that have been identified by the local code enforcement official and `e'h�that are the
minimum necessary to assure safe living conditions, or to structures identified as
historic places, shall Rot be ;,,hided may be excluded in the 50 percent.
3. Substantially Damaged Residences in Floodway.
a. For all substantially damaged residential structures located in a
designated floodwav, the Floodplain Administrator may make a written request that the
Department of Ecology assess the risk of harm to life and property posed by the specific
conditions of the floodway. Based on analysis of depth, velocity, flood -related erosion,
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channel migration, debris load potential, and flood warning capability, the Department of
Ecology may exercise best professional judgment in recommending to the local
Permitting authority repair, replacement, or relocation of a substantially damaged
structure consistent with WAC 173-158-076. The property owner shall be responsible
for submitting to the local government and the Department of Ecology any information
necessary to complete the assessment. Without a favorable recommendation from the
Department for the repair or replacement of a substantially damaged residential
structure located in the regulatory floodway, no repair or replacement is allowed per
WAC 173-158-070(1).
b. Before the repair, replacement, or reconstruction is started, all
requirements of the NFIR the state requirements adopted pursuant to 86.16 RCW, and
all applicable local regulations must be satisfied. In addition, the following conditions
must be met:
(1) There is no potential safe building location for the replacement
residential structure on the same property outside the regulatory floodway.
(2) A replacement residential structure is a residential structure built
as a substitute for a legally existing residential structure of equivalent use and size.
(3) Repairs, reconstruction, or replacement of a residential structure
shall not increase the total square footage of floodway encroachment.
(4) The elevation of the lowest floor of the substantially damaged or
replacement residential structure is a minimum of one foot higher than the Base Flood
Elevation .
(5) New and replacement water supply systems are designed to
eliminate or minimize infiltration of floodwater into the system.
(6) New and replacement sanitary sewerage systems are designed
and located to eliminate or minimize infiltration of floodwater into the system and
discharge from the system into the floodwaters.
(7) All other utilities and connections to public utilities are designed,
constructed, and located to eliminate or minimize flood damage.
GB. All Other Building Standards Apply in the Floodway. If proposed
satisfiesTIV4C16.52.100, B.1-4, TMC Section 16.52.110.A.1 is satisfied or construction
is allowed pursuant to TMC Section 16.52.110.A.2, all new construction and substantial
improvements shall comply with all applicable standards h:4 flood hazard reduction
provisions of TMC Section 16.52.100.
Section 14. TMC Section 16.52.120 is hereby reenacted to read as follows:
16.52.120 Critical Facility
Construction of new critical facilities shall be, to the extent possible, located outside
the limits of the Special Flood Hazard Area (SFHA). The Director may permit
construction of a new critical facility within the SFHA if no feasible alternative is
available. Critical facilities constructed within the SFHA shall have the lowest floor
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elevated three feet above base flood elevation or elevated to the 500-year flood
elevation, whichever is higher. Flood -proofing and sealing measures must be taken to
ensure that toxic substances will not be displaced by or released into floodwaters.
Access to and from the critical facility should also be protected to the height utilized
above. Access routes elevated to or above the level of the base flood elevation shall be
provided to all critical facilities to the extent possible.
Section 15. TMC Section 16.52.125 is hereby established to read as follows:
16.52.125 Compliance
All development within special flood hazard areas is subject to the terms of this
ordinance and other aoolicable reaulations.
Section 16. TMC Section 16.52.130 is hereby reenacted to read as follows:
16.52.130 Penalties
No structure or land shall hereafter be constructed, located, extended, converted or
altered without full compliance with the terms of this chapter and other applicable
regulations. Violations of the provisions of this chapter by failure to comply with any of
its requirements (including violations of conditions and safeguards established in
connection with conditions) shall constitute a misdemeanor. Any person who violates
this chapter or fails to comply with any of its requirements shall upon conviction thereof
be fined not more than $1,000, or imprisoned for not more than 90 days, or both, for
each violation, and in addition shall pay all costs and expenses involved in the case.
Nothing herein contained shall prevent the City of Tukwila from taking such other lawful
action as is necessary to prevent or remedy any violation.
Section 17. TMC Section 16.52.140 is hereby reenacted to read as follows:
16.52.140 Abrogation and Greater Restrictions
This chapter is not intended to repeal, abrogate, or impair any existing easements,
covenants or deed restrictions. However, where this chapter and another ordinance,
easement, covenant or deed restriction conflict or overlap, whichever imposes the more
stringent restrictions shall prevail.
Section 18. Corrections by City Clerk or Code Reviser. Upon approval of the
City Attorney, the City Clerk and the code reviser are authorized to make necessary
corrections to this ordinance, including the correction of clerical errors; references to
other local, state or federal laws, codes, rules, or regulations; or ordinance numbering
and section/subsection numbering.
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Section 19. Severability. This ordinance and the various parts thereof are hereby
declared to be severable. Should any Section of this ordinance be declared by the
courts to be unconstitutional or invalid, such decision shall not affect the validity of the
ordinance as a whole, or any portion thereof other than the Section so declared to be
unconstitutional or invalid.
Section 20. Effective Date. This ordinance or a summary thereof shall be
published in the official newspaper of the City, and shall take effect and be in full force
five days after passage and publication as provided by law.
PASSED BY THE CITY COUNCIL OF THE CITY OF TUKWILA, WASHINGTON, at
a Regular Meeting thereof this day of 12020.
ATTEST/AUTH ENTICATED:
Christy O'Flaherty, MMC, City Clerk
APPROVED AS TO FORM BY:
Kari L. Sand, City Attorney
Allan Ekberg, Mayor
Filed with the City Clerk:
Passed by the City Council:
Published:
Effective Date:
Ordinance Number:
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24
TO:
FROM
BY:
CC:
DATE:
City of Tukwila
Public Works Department - Henry Hash, Director
INFORMATIONAL MEMORANDUM
Transportation and Infrastructure Committee
Henry Hash, Public Works Director
Scott Bates, Traffic Engineering Project Manager
Mayor Ekberg
July 17, 2020
SUBJECT: 2020 Overlay and Repair Program Project
Project No. 92010401
Bid Award to Miles Resources, LLC
ISSUE
Award the bid for construction of the 2020 Overlay and Repair Program.
BACKGROUND
Allan Ekberg, Mayor
The Overlay and Repair Program preserves and maintains the street structure in a safe and useable
condition. Due to budgetary impacts of Covid-19, this year's Overlay program was reduced to two
locations and advertising was delayed by three months. Construction will include pavement repairs
and an asphalt overlay on S158t" Street from 39t" PI S to 42nd Ave S and 54t" Ave South from S 166tn
St to Slade Way.
ANALYSIS
A call for bids was advertised for the 2020 Overlay and Repair Program on June 23 and 30, 2020
and three bids were opened on July 7, 2020. The confirmed lowest bidder was Miles Resources,
LLC. with a bid of $299,449.05 with an Engineer's Estimate was $296,735.00. There were no
bidding errors.
BUDGET AND BID SUMMARY (All amounts include sales tax)
Bid Results Engineer's Estimate 2020 Budget
Bid Schedule "A" Overlay $299,449.05 $296,735.00 $315,000.00
Contingency (5%) $14,972.45
Total $314,421.50 $296,735.00 $315,000.00
RECOMMENDATION
Council is being asked to award the construction contract for the 2020 Overlay and Repair
Program to Miles Resources, LLC in the amount of $299,449.05 and to consider this item
under New Business at the July 20, 2020 Regular Meeting.
ATTACHMENTS: Vicinity Map
Page 16, 2019 CIP
Bid Tabulation
https://tukwilawa.sharepoint.com/sites/publicworks/enginceringiPW Drop Box/01 TIC Agenda/Agenda Items/TIC 07-20-2020/2020 Overlay Bid Award/Info Memo_ 20200vertayBidAward.docx 25
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2020 TUKWILA OVERLAY
VICINITY MAP
' • ' 92010401 07/08/2020
26
CITY OF TUKWILA CAPITAL PROJECT SUMMARY
2019 to 2024
PROJECT: Annual Overlay and Repair Program Project No. 9xx10401
DESCRIPTION: Select, design and construct asphalt and concrete pavement overlays of arterial and residential streets.
JUSTIFICATION: Preserve and maintain the street structure in a safe and useable state by resurfacing before failure which also
minimizes costs. Some individual sites may be coordinated with water, sewer, and surface water projects.
STATUS: Each year various sections of roadway throughout the City are designed and constructed for asphalt overlay.
MAINT. IMPACT: Reduces annual maintenance.
COMMENT: Ongoing project. Only one year actuals shown in first column.
FINANCIAL Through Estimated
(in $000's) 2017 2018 2019 2020 2021 2022 2023 2024 BEYOND TOTAL
EXPENSES
Design
149
150
150
150
150
150
150
150
150
1,349
Land(R/W)
0
Const. Mgmt.
151
200
200
200
200
200
200
200
200
1,751
Construction
526
1,050
1,050
1,050
1,050
1,050
1,050
1,050
1,050
8,926
TOTAL EXPENSES
826
1,400
1,400
1,400
1,400
1,400
1,400
1,400
1,400
12,026
FUND SOURCES
Awarded Grant
0
Proposed Grant
0
Mitigation Actual
0
Mitigation Expected
0
City Oper. Revenue
826
1,400
1,400
1,400
1,400
1,400
1,400
1,400
1,400
12,026
TOTAL SOURCES
826
1,400
1,400
1,400
1,400
1,400
1,400
1,400
1,400
12,026
2019 - 2024 Capital Improvement Program 16 27
CITY OF TUKWILA
DEPARTMENT OF PUBLIC WORKS
2020 Overlay Program
BID TABULATION
Tukwila Project # 92010401
Apparent Low Bid
July 07, 2020
Engineer's Estimate
Miles Resources, LLC
Tucci & Sons, Inc
Lakeside Industries
[NTo.Section
No.
Item
Qty
Unit
Unit Cost
Total Cost
Unit Cost
Total Cost -1L
Unit Cost
Total Cost
Unit Cost
Total Cost
SCHEDULE A - Overlay Program
ROADWAY
1
1-04
Unexpected Site Changes
1
FA
$ 6,000.00
$ 6,000.00
$ 6,000.00
$ 6,000.00
$ 6,000.00
$ 6,000.00
$ 6,000.00
$ 6,000.00
2
1-05
ADA Features Surveying
1
LS
$ 1,000.00
$ 1,000.00
$ 3,140.00
$ 3,140.00
$ 3,500.00
$ 3,500.00
$ 3,500.00
$ 3,500.00
3
1-07
Resolution of Utility Conflicts
1
FA
$ 1,000.00
$ 1,000.00
$ 1,000.00
$ 1,000.00
$ 1,000.00
$ 1,000.00
$ 1,000.00
$ 1,000.00
4
1-07
SPCC Plan
1
LS
$ 1,000.00
$ 1,000.00
$ 520.00
$ 520.00
$ 250.00
$ 250.00
$ 100.00
$ 100.00
5
1-09
Mobilization
1
LS
$ 15,000.00
$ 15,000.00
$ 16,500.00
$ 16,500.00
$ 60,000.00
$ 60,000.00
$ 54,500.00
$ 54,500.00
6
1-10
Project Temporary Traffic Control
1
LS
$ 5,500.00
$ 5,500.00
$ 43,000.00
$ 43,000.00
$ 35,000.00
$ 35,000.00
$ 60,000.00
$ 60,000.00
7
2-02
Asphalt Pavement Removal
70
SY
I $ 45.00
$ 3,150.00
$ 54.25
$ 3,797.50
$ 12.00
$ 840.00
$ 14.00
$ 980.00
8
2-02
Cement Conc. Sidewalk Removal Incl. Haul
60
SY
$ 55.00
$ 3,300.00
$ 41.00
$ 2,460.00
$ 25.00
$ 1,500.00
$ 75.00
$ 4,500.00
9
2-02
Cement Conc. Curb Removal Incl. Haul
130
LF
$ 25.00
$ 3,250.00
$ 20.50
$ 2,665.00
$ 30.00
$ 3,900.00
$ 30.00
$ 3,900.00
10
2-02
Removal of Structure and Obstruction
1
LS
$ 2,000.00
$ 2,000.00
$ 570.00
$ 570.00
$ 2,000.00
$ 2,000.00
$ 1,000.00
$ 1,000.00
11
2-02
Roadway Excavation Incl. Haul
40
CY
$ 90.00
$ 3,600.00
$ 66.40
$ 2,656.00
$ 25.00
$ 1,000.00
$ 50.00
$ 2,000.00
12
2-03
Unsuitable Foundation Excavation Incl. Haul
20
CY
$ 95.00
$ 1,900.00
$ 101.00
$ 2,020.00
$ 50.00
$ 1,000.00
$ 50.00
$ 1,000.00
13
2-03
Gravel Borrow Incl. Haul
50
TON
$ 25.00
$ 1,250.00
$ 24.50
$ 1,225.00
$ 50.00
$ 2,500.00
$ 20.00
$ 1,000.00
14
4-04
Crushed Surfacing Top Course
100
TON
$ 60.00
$ 6,000.00
$ 68.00
$ 6,800.00
$ 25.00
$ 2,500.00
$ 50.00
$ 5,000.00
15
5-04
Pavement Repair Excavation Incl. Haul
40
CY
$ 90.00
$ 3,600.00
$ 64.85
$ 2,594.00
$ 20.00
$ 800.00
$ 100.00
$ 4,000.00
16
5-04
HMA Cl. 1/2" PG 581-1-22
900
TON
$ 100.00
$ 90,000.00
$ 87.25
$ 78,525.00
$ 95.00
$ 85,500.00
$ 110.00
$ 99,000.00
17
5-04
HMA for Pavement Repair Cl. 1/2" PG 581-1-22
25
TON
$ 200.00
$ 5,000.00
$ 248.25
$ 6,206.25
$ 200.00
$ 5,000.00
$ 165.00
$ 4,125.00
18
5-04
Temporary Pavement
10
TON
$ 175.00
$ 1,750.00
$ 159.00
$ 1,590.00
$ 150.00
$ 1,500.00
$ 200.00
$ 2,000.00
19
5-04
Thickened Ede
1,800
LF
$ 4.00
$ 7,200.00
$ 0.70
$ 1,260.00
$ 1.50
$ 2,700.00
$ 1.00
$ 1,800.00
20
5-04
Planing Bituminous Pavement
5,570
SY
$ 5.00
$ 27,850.00
$ 4.95
$ 27,571.50
$ 5.00
$ 27,850.00
$ 6.00
$ 33,420.00
21
7-12
Adjust Water Valve
2
EA
$ 500.00
$ 1,000.00
$ 912.50
$ 1,825.00
$ 600.00
$ 1,200.00
$ 400.00
$ 800.00
22
8-01
Erosion/WaterPollution Control
1
FA
$ 1,000.00
$ 1,000.00
$ 1,000.00
$ 1,000.00
$ 1,000.00
$ 1,000.00
$ 1,000.00
$ 1,000.00
23
8-01
Inlet Protection
24
EA
$ 80.00
$ 1,920.00
$ 90.00
$ 2,160.00
$ 75.00
$ 1,800.00
$ 75.00
$ 1,800.00
24
8-04
Cement Conc. Curb and Gutter
50
LF
$ 40.00
$ 2,000.00
$ 45.60
$ 2,280.00
$ 175.00
$ 8,750.00
$ 40.00
$ 2,000.00
25
8-04
Extruded Curb
40
LF
$ 25.00
$ 1,000.00
$ 34.20
$ 1,368.00
$ 100.00
$ 4,000.00
$ 30.00
$ 1,200.00
26
8-06
Cement Conc. Driveway Entrance
40
SY
$ 80.00
$ 3,200.00
$ 74.00
$ 2,960.00
$ 225.00
$ 9,000.00
$ 65.00
$ 2,600.00
27
8-11
Raising Existing Beam Guardrail
450
LF
$ 75.00
$ 33,750.00
$ 28.68
$ 12,906.00
$ 30.00
$ 13,500.00
$ 25.00
$ 11,250.00
28
8-11
Beam Guardrail
270
LF
$ 100.00
$ 27,000.00
$ 103.10
$ 27,837.00
$ 100.00
$ 27,000.00
$ 40.00
$ 10,800.00
SIDEWALK
29 8-14
Cement Conc. Sidewalk 20
SY
$ 80.00
$ 1,600.00
$ 91.20
$ 1,824.00
$ 175.00
$ 3,500.00
$ 80.00
$ 1,600.00
30 8-14
Cement Conc. Curb Ramp 2
EA
$ 3,000.00
$ 6,000.00
$ 2,850.00
$ 5,700.00
$ 7,000.00
$ 14,000.00
$ 2,500.00
$ 5,000.00
31 8-14
Cement Conc. Pedestrian Curb 10
LF
$ 30.00
$ 300.00
$ 49.00
$ 490.00
$ 50.00
$ 500.00
$ 43.00
$ 430.00
32 8-26
Non -Skid Surface Treatment 20
SF
$ 25.00
$ 500.00
$ 74.00
$ 1,480.On
$ 125.00
$ 2,500.00
$ 65.00
$ 1,300.00
STORM SEWER
33
1 7-05
JAdjust Catch Basin
23
EA
$ 800.00
$ 18,600.00
$ 655.50
$ 15,076.50
$ 350.00
$ 8,050.00
$ 800.00
$ 18,400.00
34
7-05
Storm Drain Marker
23
EA
$ 30.00
$ 690.00
$ 22.80
$ 524.40 I
L$- 45.00
$ 1,035.00
1 $ 20.00
$ 460.00
SANITARY SEWER
35 1 7-05
JAdjustManhole 7 EA 7 $ 900.00 1 $ 6,300.00
$ 1,000.00 1 $ 7,000.00 1 $ 600.00 1 $ 4,200.00 1 $ 550.00 1 $ 3,850.00
TRAFFIC CONTROL
DEVICES
36
8-09
Raised Pavement Marker Type 2
3
EA
$ 5.00
$ 15.00
$ 5.70
$ 17.10
$ 100.00
$ 300.00
$ 5.00
$ 15.00
37
8-21
Permanent Signing
1
LS
$ 250.00
$ 250.00
$ 1,026.00
$ 1,026.00
$ 500.00
$ 500.00
$ 1.00
$ 1.00
38
8-22
Paint Line, 4 Inch
2,360
LF
$ 0.50
$ 1,180.00
$ 0.88
$ 2,076.80
$ 1.20
$ 2,832.00
$ 0.77
$ 1,817.20
39
8-23
ITemporary Pavement Markings
700
LF
$ 0.40
$ 280.00
$ 1.14
$ 798.00
$ 0.60
$ 420.00
$ 2.00
$ 1,400.00
ROADSIDE DEVELOPMENT
40 8-02 1 Property Restoration F 1 FA
$ 1,000.00 $ 1,000.00
$ 1,000.00 $ 1,000.00
$ 1,000.00 Is 1,000.00
$ 1,000.00 1 $ 1,000.00
TOTAL
ESTIMATE
$ 296,735.00
TOTAL BID
$ 299,449.05
TOTAL BID
$ 349,427.00
TOTAL BID
$ 355,548.20
1 of 1 28
City of Tukwila Allan Ekberg, Mayor
Public Works Department - Henry Hash, Director
INFORMATIONAL MEMORANDUM
TO: Transportation and Infrastructure Committee
FROM: Henry Hash, Public Works Director
BY: Adib Altallal, Utilities Engineer
CC: Mayor Ekberg
DATE: July 17, 2020
SUBJECT: Sewer Fund - 2020 Strander Boulevard and Andover Park East Sewer Repair
Project No. 91140203
Bid Award to R.L. Alia Company
ISSUE
Award the bid for construction of the 2020 Strander Boulevard and Andover Park East Sewer Repair Project.
BACKGROUND
This project is for a vital sewer repair at the intersection of Andover Park East and Costco Drive and along Strander
Boulevard. The pipe at both sites are failing and in need of urgent repair.
DISCUSSION
The 2020 Strander Boulevard and Andover Park East Sewer Repair call for bids was posted on June 18, 2020 to the Builders
Exchange of Washington, Seattle Times, and the Daily Journal for three weeks. Four bids were received via City Hall's drop
box by the due date of July 9, 2020. The bids were checked and tabulated. The apparent low bidder is R.L. Alia Company
with a bid of $258,830.00 and the Engineer's Estimate was $250,003.00.
FISCAL IMPACT (All amounts include sales tax)
The 2020 Strander Boulevard and Andover Park East Sewer Repair Project construction is funded under the Annual Sewer
Repair Program CIP. The $559,000 construction budget will cover the value of the contract and leave funds for any
upcoming sewer repairs before the end of the year.
Bid Results Estimate Budget
Bid Amount $258,830.00 $250,003.00 $284,713.00
Contingency (10%) $25,883.00 $25,000.30
Total $ 284,713.00 J275 003.30 284 713.00
RECOMMENDATION
Council is being asked to award the construction contract for the 2020 Strander Boulevard and Andover Park East
Sewer Repair Project to R. L. Alia Company in the amount of $258,830.00 and to consider this item under New Business
at the July 20, 2020 Regular Meeting.
Attachments: Page 76, 2019 CIP
Bid Tabulation
https://tukwilawa.sharepoint.com/sites/publicworks/engineering/PW Drop Box/01 TIC Agenda/Agenda Items/TIC 07-20-2020/2020 Strander Boulevard and Andover Park East Sewer Repair/Info Memo Bid Award-2020 Strander Blvd
and APE Sewer Repair_20200720.docx
29
CITY OF TUKWILA CAPITAL PROJECT SUMMARY
2019 to 2024
PROJECT: Annual Sewer Repair Program Project No. Varies
DESCRIPTION: Reduce sewer line infiltration and inflow (I & 1) through groundwater intrusion or storm events as a
result of damaged deteriorating systems or illicit connections. Include small repairs and capital maintenance.
JUSTIFICATION: Decrease treatment, discharge, and pumping costs.
STATUS: Annual program is determined after pipeline TV inspection reports are completed.
MAINT. IMPACT: Less maintenance costs through rehabilitation of aging system.
COMMENT: Ongoing project, only one year actuals shown in first column.
FINANCIAL Through Estimated
(in 1000'sl 2017 2018 2019 2020 2021 2022 2023 2024 BEYOND TOTAL
EXPENSES
Design
3
15
10
10
38
Land (R/W)
0
Const. Mgmt.
0
Construction
0
359
200
200
200
200
200
200
1,559
TOTAL EXPENSES
1 3
1 15
369
1 210
1 200
1 200
1 200
1 200
1 200
1 1,597
FUND SOURCES
Awarded Grant
0
Proposed Grant
0
Mitigation Actual
0
Mitigation Expected
0
Utility Revenue
3
15
369
210
200
200
200
200
200
1,597
TOTAL SOURCES
3
15
369
210
200
200
200
200
200
1,597
Ertjet Locat
irec5ystemion. -�
a
G15
2019 - 2024 Capital Improvement Program 76 30
CITY OF TUKWILA
DEPARTMENT OF PUBLIC WORKS
2020 Strander Boulevard and Andover Park East Sewer Repair
BID TABULATION
Tukwila Proiect # 91140203
Apparent Low Bid
July 09, 2020
11
Engineer's Estimate
R. L. Alia Company IF
Northwest Cascade Inc.
Rodarte Construction Inc.
Highland Civil
No.
Item
Qty
Unit
Unit Cost
Total Cost
Unit Cost
Total Cost
Unit Cost
Total Cost
Unit Cost
Total Cost
Unit Cost
Total Cost
Base
Bid
1
Mobilization/Demobilization
1
LSl$E29,71100.00
$
29,700.00
$
20,000.00
$
20,000.00
$
38,000.00
$
38,000.00
$ 31,000.00
$
31,000.00
$ 36,770.00
$
36,770.00
2
Traffic Control - Flagger Labor (Minimum Bid of $43.11)
160
HR75.00
$
12,000.00
$
70.00
$
11,200.00
$
62.00
$
9,920.00
$ 55.00
$
8,800.00
$ 120.00
$
19,200.00
3
Tem ora Traffic Control
1
LS00.45
$
14,000.45
$
500.00
$
500.00
$
29,975.00
$
29,975.00
$ 36,000.00
$
36,000.00
$ 29,890.00
$
29,890.00
4
Temporary Erosion Control
1
LS0.00
$
4,000.00
$
4,500.00
$
4,500.00
$
5,400.00
$
5,400.00
$ 15,000.00
$
15,000.00
$ 20,350.00
$
20,350.00
5
Trench Safety and Shoring
1
LS
$
1,000.00
$
1,000.00
$
500.00
$
500.00
$
9,100.00
$
9,100.00
$ 500.00
$
500.00
$ 20,670.00
$
20,670.00
6
Dewatering Using Sumping Only - Andover Park East Project Site
1
LS
$
5,000.00
$
5,000.00
$
2,000.00
$
2,000.00
$
21,350.00
$
21,350.00
$ 15,000.00
$
15,000.00
$ 25,140.00
$
25,140.00
7
Dewatering Using Sumping Only - Strander Boulevard Project Site
1
LS
$
5,000.00
$
5,000.00
$
2,000.00
$
2,000.00
$
11,200.00
$
11,200.00
$ 15,000.00
$
15,000.00
$ 25,140.00
$
25,140.00
8
Pothole Existing Utilities
9
EA
$
1,000.00
$
9,000.00
$
850.00
$
7,650.00
$
1,100.00
$
9,900.00
$ 825.00
$
7,425.00
$ 1,420.00
$
12,780.00
9
Provide, Install, and Manage Temporary Wastewater Bypasses
1
LS
$
10,000.00
$
10,000.00
$
3,500.00
$
3,500.00
$
12,500.00
$
12,500.00
$ 20,000.00
$
20,000.00
$ 44,520.00
$
44,520.00
10
8- and 12-Inch PVC Gravity Sewer Pipe
115
LF
$
460.00
$
52,900.00
$
800.00
$
92,000.00
$
230.00
$
26,450.00
$ 500.00
$
57,500.00
$ 1,320.00
$
151,800.00
11
Connect to Existing Sewer Main
2
EA
$
1,500.00
$
3,000.00
$
500.00
$
1,000.00
$
725.00
$
1,450.00
$ 4,000.00
$
8,000.00
$ 2,110.00
$
4,220.00
12
Reestablish MH Penetrations
2
EA
$
2,500.00
$
5,000.00
$
500.00
$
1,000.00
$
1,945.00
$
3,890.00
$ 3,000.00
$
6,000.00
$ 940.00
$
1,880.00
13
1 Crushed Surfacing Base Course Backfill
450
TONS
$
40.00
$
18,000.00
$
40.00
$
18,000.00
$
48.00
$
21,600.00
$ 55.00
$
24,750.00
$ 55.30
$
24,885.00
14
1 Foundation Material
100
CY
$
84.00
$
8,400.00
$
75.00
$
7,500.00
$
115.00
$
11,500.00
$ 65.00
$
6,500.00
$ 190.00
$
19,000.00
15
HMA for Trench Paving
90
TONS
1 $
225.00
$
20,250.00
$
425.00
$
38,250.00
$
340.00
$
30,600.00
$ 425.00
$
38,250.00
$ 170.00
$
15,300.00
16
6-Inch Thick Crushed Surfacing Top Course Subgrade Layer
135
SY
$
15.00
$
2,025.00
$
20.00
$
2,700.00
$
25.00
$
3,375.00
$ 30.00
$
4,050.00
$ 38.20
$
5,157.00
17
Post= Con struction Sewer Main Cleaning and Video Inspection
1
LS
$
2,000.00
1$
2,000.00
$
4,000.00
1$
4,000.00
$
3,000.00
$
3,000.00
$ 4,000.00
1$
4,000.00
$ 10,160.00
1 $
10,160.00
18
Restoration
1
LS
$
11,000.00
$
11,000.00
$
4,000.00
$
4,000.00
$
24,000.00
$
24,000.00
$ 10,000.00
$
10,000.00
$ 26,160.00
$
26,160.00
19
Force Account - Minor Changes
L 1
LS
$
15,000.00
$
15,000.00
$
15,000.00
$
15,000.00
$
15,000.00
$
15,Oo0.o0
$ 15,000.00
$
15,ono.on
$ 15,000.00
$
15,000.00
Bid ALTERNATE
No. 1
A6
Dewatering Vacuum Wellpoint System, if Needed to Support Sumping -
Andover Park East Project Site
1
LS
$
10,000.00
$
10,000.00
$
1,000.00
$
1,000.00
$
21,750.00
$
21,750.00
$ 75,000.00
$
75,000.00
$ 21,380.00
$
21,380.00
A7
Dewatering Vacuum Wellpoint System, if Needed to Support Sumping -
Strander Boulevard Project Site
1
LS
$
10,000.00
$
10,000.00
$
1,000.00
$
1,000.00
$
21,750.00
$
21,750.00
$ 65,000.00
$
65,000.00
$ 11,650.00
$
11,650.00
Bid ALTERNATE No. 1
11
Sale Tax 10.0%
1
$
22,727.55
$
23,530.00
$
28,821.00
$
32,277.50
$
50,802.20
TOTAL
ESTIMATE
$
250,003.00
TOTAL BID
$
258,830.00
TOTAL BID
$
317,031.00
TOTAL BID
$
355,052.50
TOTAL BID
$
558,824.20
1 of 1 31
32
City of Tukwila Allan Ekberg, Mayor
Public Works Department - Henry Hash, Director
INFORMATIONAL MEMORANDUM
TO: Transportation and Infrastructure Committee
FROM: Henry Hash, Public Works Director
BY: Mike Perfetti, Habitat Project Manager
CC: Mayor Ekberg
DATE: July 17, 2020
SUBJECT: Surface Water Fund - Riverton Creek Flap Gate Removal Project Restoration Phase
Project No. 99830103
Bid Award
ISSUE
Award a contract to AtWork Commercial Enterprises, LLC for construction of the Riverton Creek Flap Gate Removal Project
Restoration Phase.
BACKGROUND
This project is the second and final contract to construct the Riverton Creek Flap Gate Removal Project. This phase will
restore 1.48 acres of native riparian vegetation along Riverton Creek and 0.45 acres along the Duwamish River.
DISCUSSION
The Riverton Creek Flap Gate Removal Project Restoration Phase call for bids was sent on June 24, 2020 to organizations
on the MRSC small works roster that provide restoration services. Three bids were received via e-mail by the due date of
July 13, 2020. The bids were checked and tabulated. The apparent low bidder is At Work! with a bid of $106,090.60. The
Engineer's Estimate was $112,290.75.
FISCAL IMPACT (All amounts include sales tax)
The Riverton Creek Flap Gate Removal Project construction, including both phases, was initially budgeted at $918,000.
The low bid for the first phase, which was recently awarded, exceeded the budget and is utilizing all CIP funds dedicated for
this project. Staff proposes to transfer budget from the 205 Levee Certification Project, which is not currently needed since
the City has petitioned the King County Flood Control District to fund the rebuilding of the 205 Levee.
Bid Results Estimate Budget
Bid Amount 106,090.60 112,290.75
Contingency (10%) 10,609.06
Funding from 205 Levee Certification CIP 66,699.66
WRIA 9/CWM grant 50,000.00
Total $116,699.66 $112,290.75 $116,699.66
RECOMMENDATION
Council is being asked to award the construction contract for the Riverton Creek Flap Gate Removal Project to AtWork
Commercial Enterprises, LLC in the amount of $106,090.60 and consider this item on the Consent Agenda at the August 3,
2020 Regular Meeting.
Attachments: CIP Page 93
CIP Page 94
Bid Tabulation
https://tukwilawa.sharepoint.com/sites/publicworks/engineering/PW Drop Box/01 TIC Agenda/Agenda Items/TIC 07-20-2020/4. Riverton Creek Flapgate Removal PH 2 Bid Award/Info Memo Bid Award —Riverton Creek
Restoration_20200720.docx 33
CITY OF TUKWILA CAPITAL PROJECT SUMMARY
2019 to 2024
PROJECT:
Riverton Creek Flap Gate Removal Project No. 99830103
Remove two culverts and flap gates at Duwamish River; install pipe arch, create open channel
DESCRIPTION:
confluence, install trail bridge over new channel, restore/revegetate 200 feet of creek channel and
450 ft. of pond shoreline.
JUSTIFICATION:
Increase available salmonid rearing habitat and increase flood refuge in lower Duwamish River.
Improve fish access to Riverton Creek and enhance salmon rearing and resting area.
STATUS:
Design underway in 2018. Construction grant of $846k from WA State RCO.
MAINT. IMPACT:
Expected to increase maintenance.
COMMENT:
Project used as mitigation for East Marginal Way Pipe Replacement Project and HPA
Control #133763-1 requires work to be completed by June 11, 2019, which will need to be extended.
FINANCIAL Through Estimated
(in $000'sl 2017 2018 2019 2020 2021 2022 2023 2024 BEYOND TOTAL
EXPENSES
Design
204
100
40
344
Land (R/W)
0
Monitoring
15
15
15
15
15
15
90
Const. Mgmt.
184
184
Construction
918
918
TOTAL EXPENSES
204
1 100
1 1,142
1 15
15
1 15
15
15
15
1,536
FUND SOURCES
Awarded Grant
72
847
919
Proposed Grant
0
Mitigation Actual
0
Mitigation Expected
0
Utility Revenue
132
100
295
15
15
15
15
15
15
617
TOTAL SOURCES
204
100
1,142
15
15
15
15
15
15
1,536
y Project Locat►on 5 N
r - w+i:
St s
•y S 1 8t 9
w
C�
611 t yc
� w s
1 s
N
L S1LEIF A s
$ 128 ' '0
S 3� St � ■
2019 - 2024 Capital Improvement Program 93 34
CITY OF TUKWILA CAPITAL PROJECT SUMMARY
2019 to 2024
PROJECT: Tukwila 205 Levee Certification Project No. 91341203
DESCRIPTION: Obtain levee certification for the Tukwila 205 Levee.
The US Army Corps of Engineers no longer provides levee certification services to federally authorized
JUSTIFICATION: levees. The existing certification expired in August of 2013. Certification is required for the Federal
Emergency Management Agency to accreditate the levee system as providing a 100-year level of
flood protection.
STATUS: Phase I was a overview of entire levee system and Phase II includes identification of levee deficiencies.
MAINT. IMPACT: Certification process is expected to lead to additional levee repair projects that are required to meet the
certification criteria. Certification is valid for a 10-year period.
Costs listed in 2019 through 2022 are estimates for potential repairs that would be grant dependent. King
COMMENT: County Flood Control District's Opportunity Grant Program currently has $63k per year. The Army Corps of
Engineers is currently designing a levee repair project near Mitchell Moving, GACO, and Segale Properties with
construction in 2019. Overall costs for Corps/Flood District project is $55 million, with no City funding.
FINANCIAL Through Estimated
(in $000's) 2017 2018 2019 2020 2021 2022 2023 2024 BEYOND TOTAL
EXPENSES
Certification Phase 1
350
350
Certification Phase 11
93
220
250
563
Design
275
275
Const. Mgmt.
30
115
600
745
Construction
200
750
4,000
4,950
TOTAL EXPENSES
443
220
525
230
865
4,600
0
0
0
6,883
FUND SOURCES
KC Flood Control
113
63
63
63
63
63
63
63
63
617
Proposed Grants
150
780
4,500
5,430
Mitigation Actual
0
Mitigation Expected
0
Utility Revenue
330
157
462
17
22
37
(63)
(63)
(63)
836
TOTAL SOURCES
443
220
525
230
1 865
1 4,600
1 01
01
01
6,883
Project Location:
Entire System '
s
2019 - 2024 Capital Improvement Program 94 35
Riverton Creek Flapgate Removal Project - Phase 2: Restoration
Certified Bid Tab
ITEM NO.
ITEM
UNITS
QUANTITY
1
Unexpected Site Changes
FA
1
2
Site Preparation
LS
1
3
Wattles
LF
1,000
4
Bark and Wood Chip Mulch
CY
105
5
PSIPE - Acer macrophyllum, BR
EA
10
6
PSIPE - Alnus rubra, BR
EA
30
7
PSIPE - Arbutus menzesii, 10" tube
EA
10
8
PSIPE - Betula papyrifera, BR
EA
125
9
PSIPE - Cornus nuttallii, #1
EA
10
10
PSIPE - Cornus sericia, BR
EA
231
11
PSIPE - Corylus cornuta, BR
EA
125
12
PSIPE - Fraxinus Iatifolia, BR
EA
47
13
PSIPE - Holodiscus discolor, BR
EA
416
14
PSIPE - Lonicera involucrata, BR
EA
131
15
PSIPE - Malus fusca, BR
EA
7
16
PSIPE - Physocarpus capitatus, BR
EA
131
17
PSIPE - Picea sitchensis, #1
EA
47
18
PSIPE - Populus basamifera, BR
EA
30
19
PSIPE - Populus tremuloides, BR
EA
7
20
PSIPE - Prunus emarginata, BR
EA
7
21
PSIPE - Pseudotsuga menzesii, #1
EA
145
22
PSIPE - Ribies sanguineum, BR
EA
416
23
PSIPE - Rosa nutkana, BR
EA
456
24
PSIPE - Rosa pisocarpa, BR
EA
131
25
PSIPE - Rubus parvifolium, BR
EA
416
26
PSIPE - Rubus spectabilis, BR
EA
131
27
PSIPE - Salix hookeriana, LS
EA
270
28
PSIPE - Salix Iucida (lasiandra), BR
EA
47
29
PSIPE - Salix scouleriana, LS
EA
265
30
PSIPE - Salix sitchensis, LS
EA
265
31
PSIPE - Sambucus racemosa, BR
EA
547
32
PSIPE - Spiraea douglasii, BR
EA
40
33
PSIPE - Symphoricarpos alba, BR
EA
150
34
PSIPE - Thuja plicata, #1
EA
147
35
PSIPE - Tsiga heterophylla, #1
EA
22
Subtotal:
Sales Tax
Total Construction Cost:
Errors in Contractor Bid Proposals:
1 Amount on bid amount shown as $6,972.16
Engineer's Estimate
Atwork
Applied Ecology
Daramola
UNIT PRICE
AMOUNT
UNIT PRICE
AMOUNT
UNIT PRICE
AMOUNT
UNIT PRICE
AMOUNT
10,000.00
15,000.00
10,000.00
10,000.00
10,000.00
17,500.00
10,000.00
10,000.00
36,000.00
10,000.00
10,000.00
50,000.00
15,000.00
17,500.00
2.25
36,000.00
50,000.00
3.50
3,500.00
2,250.00
5.88
5,880.00
6.00
6,000.00
45.00
4,725.00
67.00
7,035.00
69.05
7,250.25
60.00
6,300.00
14.00
140.00
13.00
130.00
16.76
167.60
20.00
200.00
14.00
420.00
13.00
390.00
16.76
502.80
20.00
600.00
16.00
160.00
18.00
180.00
22.69
226.90
20.00
200.00
14.00
1,750.00
13.00
1,625.00
16.76
2,095.00
20.00
2,500.00
18.50
185.00
18.00
180.00
22.69
226.90
20.00
200.00
14.00
3,234.00
13.00
3,003.00
16.76
3,871.56
20.00
4,620.00
14.00
1,750.00
13.00
1,625.00
16.76
2,095.00
20.00
2,500.00
14.00
658.00
13.00
611.00
16.76
787.72
20.00
940.00
14.00
5,824.00
13.00
5,408.00
16.76
6,972.16
20.00
8,320.00
14.00
1,834.00
13.00
1,703.00
16.76
2,195.56
20.00
2,620.00
14.00
98.00
13.00
91.00
16.76
117.32
20.00
140.00
14.00
1,834.00
13.00
1,703.00
16.76
2,195.56
20.00
2,620.00
18.50
869.50
18.00
846.00
22.69
1,066.43
20.00
940.00
14.00
420.00
13.00
390.00
16.76
502.80
20.00
600.00
14.00
98.00
13.00
91.00
16.76
117.32
20.00
140.00
14.00
98.00
13.00
91.00
16.76
117.32
20.00
140.00
18.50
2,682.50
18.00
2,610.00
22.69
3,290.05
20.00
2,900.00
14.00
5,824.00
13.00
5,408.00
16.76
6,972.16
1 20.00
8,320.00
14.00
6,384.00
13.00
5,928.00
16.76
7,642.56
1 20.00
9,120.00
14.00
1,834.00
13.00
1,703.00
16.76
2,195.56
20.00
2,620.00
14.00
5,824.00
13.00
5,408.00
16.76
6,972.16
20.00
8,320.00
14.00
1,834.00
13.00
1,703.00
16.76
2,195.56
20.00
2,620.00
13.75
3,712.50
7.00
1,890.00
16.50
4,455.00
20.00
5,400.00
14.00
658.00
13.00
611.00
16.76
787.72
20.00
940.00
13.75
3,643.75
7.00
1,855.00
16.50
4,372.50
20.00
5,300.00
13.75
3,643.75
7.00
1,855.00
16.50
4,372.50
20.00
5,300.00
14.00
7,658.00
13.00
7,111.00
16.76
9,167.72
20.00
10,940.00
14.00
560.00
13.00
520.00
16.76
670.40
20.00
800.00
14.00
2,100.00
13.00
1,950.00
16.76
2,514.00
20.00
3,000.00
18.50
2,719.50
18.001
2,646.00
22.691
3,335.43
20.00
2,940.00
18.50
407.00
18.001
396.00
22.691
499.18
20.00
440.00
102, 082.50
10, 208.25
112,290.75
96,446.00
9,644.60
106,090.60
141,830.70
14,183.07
156,013.77
168, 540.00
16, 854.00
21 185,394.00
Corrected bid
m
Riverton Creek Flapgate Removal Project - Phase 2: Restoration
Certified Bid Tab
Engineer's Estimate Atwork Applied Ecology Daramola
ITEM NO, ITEM UNITS QUANTITY UNIT PRICE AMOUNT UNIT PRICE AMOUNT UNIT PRICE AMOUNT UNIT PRICE AMOUNT
2 Total bid proposal was $155,275.95
Certified by Date 5
Mike Perfetti, Habitat Project Manager
7/15/2020
37
0
City of Tukwila Allan Ekberg, Mayor
Public Works Department - Henry Hash, Director
INFORMATIONAL MEMORANDUM
TO: Transportation and Infrastructure Committee
FROM: Henry Hash, Public Works Director
BY: Greg Villanueva, NPDES Coordinator
CC: Mayor Ekberg
DATE: July 17, 2020
SUBJECT: NPDES Phase II Permit 2019-2024
Project No. 99341210
Consultant Selection and Agreement
ISSUE
Approve a contract with Otak Inc. to assist the City with additional NPDES Phase II Permit
requirements.
BACKGROUND
The latest NPDES Phase II Permit was issued to the City on July 1, 2019. This permit has additional
requirements that the City must meet, including new Municipal Separate Storm Sewer System (MS4)
Mapping and Documentation requirements. This includes relabeling mapped infrastructure to comply
with Department of Ecology (DOE) requirements so that mapping nomenclature is consistent across
the region. Other requirements include developing and implementing a prioritization method and
process to determine which receiving waters will benefit the most from stormwater retrofits.
DISCUSSION
The current MRSC Consultant Roster was reviewed, and three firms were short-listed to provide consultant
services. The firms were KPG, Otak, and David Evans. The Summary of Qualifications for NPDES and GIS
mapping were evaluated for each firm and Otak was selected as the firm that best met the requirements of
the project. Staff met with Otak and developed a scope of work that includes: a GIS analysis of the existing
drainage system, providing an updated delineation map of areas that do not discharge to surface waters and
drainage areas tributary to each outfall 24-inch diameter or greater; developing a list of GIS datasets that
need to be updated or created and provide a schema for each, performing a receiving Water Conditions
Assessment, and providing related MS4 supporting documents.
FISCAL IMPACT
The cost for the Otak consultant service is $55,602.00 and will be paid from the Ecology 2019-2021
Municipal Stormwater Capacity Grant funds the City was awarded. No City funding is required.
RECOMMENDATION
Council is being asked to approve a consultant agreement with Otak Inc. and consider this item on
the Consent Agenda at the August 3, 2020 Regular Meeting.
Attachment: Consultant Agreement
Proposal Rating
https://tukwilawa.sharepoint.com/sites/publicworks/engineering/PW Drop Box/01 TIC Agenda/Agenda Items/TIC 07-20-2020/5. NPDES Phase 11 Permit Consultant Contractllnfo Memo NPDES Phase 11 Permit .a.docx 39
Contract Number:
City of Tukwila
�s"'"- 6200 Southcenter Boulevard, Tukwila WA 98188
S.
PROFESSIONAL SERVICES AGREEMENT
(Includes consultants, architects, engineers, accountants, and other professional services)
THIS AGREEMENT is entered into between the City of Tukwila, Washington, hereinafter
referred to as "the City", and Otak Inc. , hereinafter referred to as "the
Consultant", in consideration of the mutual benefits, terms, and conditions hereinafter specified.
1. Project Designation. The Consultant is retained by the City to perform
services in connection with the project titled 2019-2024 NPDES MS4 Mapping and
Stormwater Planning Assistance
2. Scope of Services. The Consultant agrees to perform the services, identified on Exhibit "A"
attached hereto, including the provision of all labor, materials, equipment and supplies.
3. Duration of Agreement; Time for Performance. This Agreement shall be in full force and
effect for a period commencing upon execution and ending March 31,
2021 , unless sooner terminated under the provisions hereinafter specified.
Work under this Agreement shall commence upon written notice by the City to the Consultant
to proceed. The Consultant shall perform all services and provide all work product required
pursuant to this Agreement no later than March 31, 2021 unless an
extension of such time is granted in writing by the City.
4. Payment. The Consultant shall be paid by the City for completed work and for services
rendered under this Agreement as follows:
A. Payment for the work provided by the Consultant shall be made as provided on Exhibit
"B" attached hereto, provided that the total amount of payment to the Consultant shall
not exceed $55,602.00 without express written modification of
the Agreement signed by the City.
B. The Consultant may submit vouchers to the City once per month during the progress of
the work for partial payment for that portion of the project completed to date. Such
vouchers will be checked by the City and, upon approval thereof, payment shall be
made to the Consultant in the amount approved.
C. Final payment of any balance due the Consultant of the total contract price earned will
be made promptly upon its ascertainment and verification by the City after the
completion of the work under this Agreement and its acceptance by the City.
D. Payment as provided in this section shall be full compensation for work performed,
services rendered, and for all materials, supplies, equipment and incidentals necessary
to complete the work.
E. The Consultant's records and accounts pertaining to this Agreement are to be kept
available for inspection by representatives of the City and the state of Washington for a
period of three (3) years after final payments. Copies shall be made available upon
request.
40
5. Ownership and Use of Documents. All documents, drawings, specifications and other
materials produced by the Consultant in connection with the services rendered under this
Agreement shall be the property of the City whether the project for which they are made is
executed or not. The Consultant shall be permitted to retain copies, including reproducible
copies, of drawings and specifications for information, reference and use in connection with
the Consultant's endeavors. The Consultant shall not be responsible for any use of the said
documents, drawings, specifications or other materials by the City on any project other than
the project specified in this Agreement.
6. Compliance with Laws. The Consultant shall, in performing the services contemplated by
this Agreement, faithfully observe and comply with all federal, state, and local laws,
ordinances and regulations, applicable to the services rendered under this Agreement.
7. Indemnification. The Consultant shall defend, indemnify and hold the City, its officers,
officials, employees and volunteers harmless from any and all claims, injuries, damages,
losses or suits including attorney fees, arising out of or resulting from the acts, errors or
omissions of the Consultant in performance of this Agreement, except for injuries and
damages caused by the sole negligence of the City.
Should a court of competent jurisdiction determine that this Agreement is subject to RCW
4.24.115, then, in the event of liability for damages arising out of bodily injury to persons or
damages to property caused by or resulting from the concurrent negligence of the Consultant
and the City, its officers, officials, employees, and volunteers, the Consultant's liability
hereunder shall be only to the extent of the Consultant's negligence. It is further specifically
and expressly understood that the indemnification provided herein constitutes the
Consultant's waiver of immunity under Industrial Insurance, Title 51 RCW, solely for the
purposes of this indemnification. This waiver has been mutually negotiated by the parties.
The provisions of this section shall survive the expiration or termination of this Agreement.
8. Insurance. The Consultant shall procure and maintain for the duration of the Agreement,
insurance against claims for injuries to persons or damage to property which may arise from
or in connection with the performance of the work hereunder by the Consultant, its agents,
representatives, or employees. Consultant's maintenance of insurance as required by the
agreement shall not be construed to limit the liability of the Consultant to the coverage
provided by such insurance, or otherwise limit the City's recourse to any remedy available at
law or in equity.
A. Minimum Amounts and Scope of Insurance. Consultant shall obtain insurance of the
types and with the limits described below:
1. Automobile Liability insurance with a minimum combined single limit for bodily
injury and property damage of $1,000,000 per accident. Automobile Liability
insurance shall cover all owned, non -owned, hired and leased vehicles.
Coverage shall be written on Insurance Services Office (ISO) form CA 00 01 or a
substitute form providing equivalent liability coverage. If necessary, the policy
shall be endorsed to provide contractual liability coverage.
2. Commercial General Liability insurance with limits no less than $2,000,000 each
occurrence, $2,000,000 general aggregate. Commercial General Liability
insurance shall be at least as broad as ISO occurrence form CG 00 01 and shall
cover liability arising from premises, operations, stop -gap independent contractors
and personal injury and advertising injury. The City shall be named as an
additional insured under the Consultant's Commercial General Liability insurance
policy with respect to the work performed for the City using an additional insured
endorsement at least as broad as ISO endorsement form CG 20 26.
3. Workers' Compensation coverage as required by the Industrial Insurance laws of
the State of Washington.
CA revised May 2020 Page 2
41
4. Professional Liability with limits no less than $2,000,000 per claim and $2,000,000
policy aggregate limit. Professional Liability insurance shall be appropriate to the
Consultant's profession.
B. Public Entity Full Availability of Contractor Limits. If the Contractor maintains higher
insurance limits than the minimums shown above, the Public Entity shall be insured for
the full available limits of Commercial General and Excess or Umbrella liability
maintained by the Contractor, irrespective of whether such limits maintained by the
Contractor are greater than those required by this Contract or whether any certificate of
insurance furnished to the Public Entity evidences limits of liability lower than those
maintained by the Contractor.
C. Other Insurance Provision. The Consultant's Automobile Liability and Commercial
General Liability insurance policies are to contain, or be endorsed to contain that they
shall be primary insurance with respect to the City. Any Insurance, self-insurance, or
insurance pool coverage maintained by the City shall be excess of the Consultant's
insurance and shall not be contributed or combined with it.
D. Acceptability of Insurers. Insurance is to be placed with insurers with a current A.M.
Best rating of not less than A:VII.
E. Verification of Coverage. Consultant shall furnish the City with original certificates and
a copy of the amendatory endorsements, including but not necessarily limited to the
additional insured endorsement, evidencing the insurance requirements of the Contractor
before commencement of the work. Upon request by the City, the Consultant shall
furnish certified copies of all required insurance policies, including endorsements,
required in this Agreement and evidence of all subcontractors' coverage.
F. Notice of Cancellation. The Consultant shall provide the City with written notice of any
policy cancellation, within two business days of their receipt of such notice.
G. Failure to Maintain Insurance. Failure on the part of the Consultant to maintain the
insurance as required shall constitute a material breach of contract, upon which the City
may, after giving five business days notice to the Consultant to correct the breach,
immediately terminate the contract or, at its discretion, procure or renew such insurance
and pay any and all premiums in connection therewith, with any sums so expended to be
repaid to the City on demand, or at the sole discretion of the City, offset against funds
due the Consultant from the City.
9. Independent Contractor. The Consultant and the City agree that the Consultant is an
independent contractor with respect to the services provided pursuant to this Agreement.
Nothing in this Agreement shall be considered to create the relationship of employer and
employee between the parties hereto. Neither the Consultant nor any employee of the
Consultant shall be entitled to any benefits accorded City employees by virtue of the services
provided under this Agreement. The City shall not be responsible for withholding or
otherwise deducting federal income tax or social security or for contributing to the state
industrial insurance program, otherwise assuming the duties of an employer with respect to
the Consultant, or any employee of the Consultant.
10. Covenant Against Contingent Fees. The Consultant warrants that he has not employed or
retained any company or person, other than a bonafide employee working solely for the
Consultant, to solicit or secure this contract, and that he has not paid or agreed to pay any
company or person, other than a bonafide employee working solely for the Consultant, any
fee, commission, percentage, brokerage fee, gifts, or any other consideration contingent
upon or resulting from the award or making of this contract. For breach or violation of this
warrant, the City shall have the right to annul this contract without liability, or in its discretion
to deduct from the contract price or consideration, or otherwise recover, the full amount of
such fee, commission, percentage, brokerage fee, gift, or contingent fee.
CA revised May 2020 Page 3
42
11. Discrimination Prohibited. Contractor, with regard to the work performed by it under this
Agreement, will not discriminate on the grounds of race, religion, creed, color, national origin,
age, veteran status, sex, sexual orientation, gender identity, marital status, political affiliation,
the presence of any disability, or any other protected class status under state or federal law,
in the selection and retention of employees or procurement of materials or supplies.
12. Assignment. The Consultant shall not sublet or assign any of the services covered by this
Agreement without the express written consent of the City.
13. Non -Waiver. Waiver by the City of any provision of this Agreement or any time limitation
provided for in this Agreement shall not constitute a waiver of any other provision.
14. Termination.
A. The City reserves the right to terminate this Agreement at any time by giving ten (10)
days written notice to the Consultant.
B. In the event of the death of a member, partner or officer of the Consultant, or any of its
supervisory personnel assigned to the project, the surviving members of the Consultant
hereby agree to complete the work under the terms of this Agreement, if requested to do
so by the City. This section shall not be a bar to renegotiations of this Agreement
between surviving members of the Consultant and the City, if the City so chooses.
15. Applicable Law; Venue; Attorney's Fees. This Agreement shall be subject to, and the
Consultant shall at all times comply with, all applicable federal, state and local laws,
regulations, and rules, including the provisions of the City of Tukwila Municipal Code and
ordinances of the City of Tukwila. In the event any suit, arbitration, or other proceeding is
instituted to enforce any term of this Agreement, the parties specifically understand and
agree that venue shall be properly laid in King County, Washington. The prevailing party in
any such action shall be entitled to its attorney's fees and costs of suit. Venue for any action
arising from or related to this Agreement shall be exclusively in King County Superior Court.
16. Severability and Survival. If any term, condition or provision of this Agreement is declared
void or unenforceable or limited in its application or effect, such event shall not affect any
other provisions hereof and all other provisions shall remain fully enforceable. The
provisions of this Agreement, which by their sense and context are reasonably intended to
survive the completion, expiration or cancellation of this Agreement, shall survive termination
of this Agreement.
17. Notices. Notices to the City of Tukwila shall be sent to the following address:
City Clerk
City of Tukwila
6200 Southcenter Boulevard
Tukwila, WA 98188
Notices to Consultant shall be sent to the following address:
18. Entire Agreement; Modification. This Agreement, together with attachments or addenda,
represents the entire and integrated Agreement between the City and the Consultant and
supersedes all prior negotiations, representations, or agreements written or oral. No
amendment or modification of this Agreement shall be of any force or effect unless it is in
writing and signed by the parties.
CA revised May 2020 Page 4
43
DATED this
CITY OF TUKWILA
Allan Ekberg, Mayor
Attest/Authenticated:
City Clerk, Christy O'Flaherty
day of
, 20
CONSULTANT
By:
Printed Name:
Title:
Approved as to Form:
Office of the City Attorney
CA revised May 2020
Page 5
44
NPDES/GIS Mapping Updates - Qualification
Review �Qc� x"ov
(1= Top Choice, 2 = Second Choice, 3 = Third Choice)
Relevant Project Manager Experience
2
1
2
Experience with Tukwila GIS
2
2
1
Small Scale Projects
1
1
2
Ability to keep project on schedule and within Budget
1
1
2
Project Team Availability of Key Team Members
2
2
2
Knowledge of City NPDES Program
3
1
3
Knowledge of State NPDES Requirements
2
1
2
TOTALS
(Lowest Total Score is best)
13
9
14
Firm Rank
(1 - 3, Lowest = Best)
2
1
3
Mi
https://tukwilawa.sharepoint.com/sites/publicworks/engineering/PW Drop Box/01 TIC Agenda/Agenda Items/TIC 07-20-2020/NPDES Phase II Permit Consultant Contract/Proposal Rating NPDES
45
46
PAINT BOOTH DEMO
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