HomeMy WebLinkAboutItem 13 - WWTP UV Disinfection Improvement Project MEMO TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: BRUNO RUMBELOW, CITY MANAGER i�
MEETING DATE: DECEMBER 19, 2017
SUBJECT: APPROVAL OF A CONTRACT FOR ENGINEERING SERVICES
WWTP UV DISINFECTION IMPROVEMENT PROJECT AND
APPROPRIATION ORDINANCE
RECOMMENDATION:
City Council to consider:
• Awarding an Engineering Services Contract with Parkhill, Smith & Cooper, Inc. in
the amount of $120,000 for engineering services related to the design and
construction of the ultraviolet light disinfection improvement project at the
Wastewater Treatment Plant;
• Ratify a previous staff approved contract with Parkhill, Smith & Cooper, Inc. in the
amount of$14,950;
• Adopting an ordinance amending the FY 18 Capital Budget in an amount of
$134,950 for the design services, construction funding and contingency for the
ultraviolet light disinfection project; and
• Authorizing staff to execute said contract and take any necessary action.
FUNDING SOURCE:
Upon approval of the appropriation ordinance, funds will be available in the Utility
Enterprise Capital Fund.
BACKGROUND:
The purpose of this contract is to establish engineering services related to the design,
selection, and replacement of the WWTP Ultraviolet Light (UV) disinfection system as
well as needed structural repairs to the existing plant associated with the UV system.
The UV disinfection system is the last treatment stage of the WWTP and is vital for
treating effluent water from the plant. The existing disinfection system was installed in
1997, and is at the end of its useful life. The project schedule includes four months for
design and six months for construction. Estimated construction cost is $760,000, which
will be allocated from utility funds on hand at the time the bid is brought back to Council
in mid-2018.
Staff has selected Parkhill, Smith & Cooper, Inc. due to their experience with this type of
project and their work on previous projects.
Staff recommends approval.
ORDINANCE NO. 2017-089
AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF
GRAPEVINE, TEXAS, REVISING THE ADOPTED CAPITAL
IMPROVEMENTS BUDGET FOR THE FISCAL YEAR
ENDING IN 2018; APPROPRIATING FUNDS FROM THE
UTILITY FUND BALANCE AND PROVIDING AN EFFECTIVE
DATE
WHEREAS, the City of Grapevine desires to install an ultraviolet light disinfection
system at the wastewater treatment plant; and
WHEREAS, funding for the design phase services for the ultraviolet light disinfection
system improvements is not currently included in the Fiscal Year 2017-2018 Capital
Improvements Plan Budget; and
WHEREAS, all constitutional and statutory prerequisites for the approval of this
ordinance have been met, including but not limited to the Open Meetings Act; and
WHEREAS, the City Council deems the adoption of this ordinance to be in the best
interests of the health, safety, and welfare of the public.
NOW, THEREFORE, BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF
GRAPEVINE, TEXAS:
Section 1. That all matters stated in the hereinabove are found to be true and
correct and are incorporated herein by reference as if copied in their entirety.
Section 2. That the City Council hereby authorizes an amount of$134,950.00 be
appropriated in the Utility Enterprise Capital Fund for design services associated with
installation of an ultraviolet light disinfection system at the wastewater treatment plant.
Section 3. That a copy of the revised Fiscal Year 2017-2018 Capital
Improvements Plan Budget document shall be kept on file in the office of the City Secretary
and on the City of Grapevine website.
Section 4. That the terms and provisions of this ordinance shall be deemed to be
severable, and that if the validity of any section, subsection,word, sentence or phrase shall
be held to be invalid, it shall not affect the remaining part of this ordinance.
Section 5. That the fact that the present ordinances and regulations of the City of
Grapevine, Texas are inadequate to properly safeguard the health, safety, morals, peace
and general welfare of the inhabitants of the City of Grapevine, Texas, creates an
emergency for the immediate preservation of the public business, property, health, safety,
and general welfare which requires that this ordinance shall take effect immediately from
and after its passage and it is accordingly so ordained.
PASSED AND APPROVED BY THE CITY COUNCIL OF THE CITY OF
GRAPEVINE, TEXAS on this the 19th day of December, 2017.
APPROVED:
William D. Tate
Mayor
ATTEST:
Tara Brooks
City Secretary
APPROVED AS TO FORM:
John F. Boyle, Jr.
City Attorney
Ordinance No. 2017-089 2