HomeMy WebLinkAboutItem 24 - Wastewater Treatment PlantMEMOTO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: BRUNO RUMBELOW, CITY MANAGER
MEETING DATE: MAY 21, 2019
SUBJECT: APPROVAL OF CONSTRUCTION CONTRACT FOR THE
INSTALLATION OF AN ULTRAVIOLET LIGHT DISINFECTION SYSTEM
AND APPROPRIATION ORDINANCE
RECOMMENDATION: City Council to consider a construction contract for installing the ultraviolet
Tight disinfection system improvement at the Wastewater Treatment Plant
with Alltech Engineering Corporation and adopt an appropriation
ordinance.
FUNDING SOURCE: Upon approval, funds in an estimated amount of $930,000 will be
available in the Utility Enterprise Capital Fund 201.
BACKGROUND: On December 19, 2017, an engineering contract was awarded to Parkhill,
Smith & Cooper, Inc. to design the ultraviolet light disinfection system
improvement project at the Wastewater Treatment Plant in the amount of
$120,000. At that time, a staff approved contract with Parkhill, Smith &
Cooper, Inc. in the amount of $14,950 for the preliminary study of the
ultraviolet light disinfection system improvements was also ratified by City
Council.
On October 2, 2018, City Council awarded a procurement contract with
Enviro-line Company to provide the ultraviolet light disinfection equipment.
The purpose of this procurement was to select a manufacturer of the
ultraviolet (UV) system based on set criteria and a scoring system that
was part of the bid package. The selection criteria was based on items
such as price, service capability, design features/layout and O&M
considerations. The bid was awarded to Enviro-line Company, Inc. in the
amount of $297,100. Once the procurement contract was awarded,
Parkhill, Smith & Cooper, Inc. designed the UV construction replacement
project around the selected Enviro-line ultraviolet light disinfection system.
Parkhill, Smith & Cooper, Inc. completed the plans and bids were opened
on April 25, 2019 with three bids received as follows:
Alltech Engineering Corporation - $799,747
Red River Construction Co. - $852,400
Archer Western Construction - $888,100
Parkhill, Smith & Cooper, Inc. has reviewed the bids and concurs with
staffs recommendation to award to Alltech Engineering Corporation in the
amount of $799,747 with a 10% contingency, 4% contingency for
inspection and a 2% contingency for testing for a total amount of
$927,706.52 (rounded to $930,000). The contractor has 180 days to
complete the projects after notice to proceed.
The City has had good experience with Alltech Engineering Corporation
as they have recently installed two new clarifiers at the Wastewater
Treatment Plant.
Staff recommends approval.
ORDINANCE NO. 2019-023
AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF
GRAPEVINE, TEXAS, AUTHORIZING THE APPROPRIATION
OF $930,000 IN THE UTILITY ENTERPRISE CAPITAL FUND;
DECLARING AN EMERGENCY AND PROVIDING AN
EFFECTIVE DATE
WHEREAS, the City Council of the City of Grapevine desires to install an ultraviolet
light disinfection system at the Wastewater Treatment Plant; and
WHEREAS, funding for the construction phase of the ultraviolet light disinfection
system improvements is available in the Utility Enterprise Capital Fund; 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 Chapter
211 of the Local Government Code; 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 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 estimated amount of
$930,000 be appropriated from the Utility Enterprise Capital Fund for the installation of the
ultraviolet light disinfection system at the Wastewater Treatment Plant.
Section 3. 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 4. 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 21st day of May, 2019.
APPROVED:
William D. Tate
Mayor
ATTEST:
Tara Brooks
City Secretary
APPROVED AS TO FORM:
City Attorney
Ordinance No. 2019-023