Item 9B CITY OF
SOUTHLAKE 9B
MEMORANDUM
(June 7, 2016)
To: Shana Yelverton, City Manager
From: Rob Cohen, P.E., Director of Public Works
Subject: Award construction contract for the Torian Place Lift Station
project to Rey-Mar Construction in the amount of $1,455,013.
Action
Requested: Award construction contract for the Torian Place Lift Station project
to Rey-Mar Construction in the amount of$1 ,455,013.
Background
Information: In November 2009 a construction contract was issued for a project known
as the Neighborhood Sewer Project to serve Heatherwood Estates, Royal
Oaks Addition, Twin Creek Addition (NSP). The engineering design
called for a lift station to be constructed on Creekside Drive in the Twin
Creek Addition. The lift station construction was bid at $200,000. Shortly
after construction began however, residents along Creekside Drive
objected to the location of the lift station.
City staff researched multiple options and presented those options
to the residents in February 2010. These options were then
presented to City Council as a work session item at the April 6,
2010 Council meeting. One option was to relocate the lift station to
Torian Place and construct the lift station when Torian Place
developed. This option was ultimately approved. It was known at
the time however, the Torian Place lift station would be deeper and
the construction more complicated due to trees therefore most
likely increasing the cost.
In 2013 the Torian Place development became a reality. Staff and
the developer began discussions regarding the lift station location
within Torian Place, as well as construction costs and participation.
It was determined that the City's share of the cost of construction
exceeded the 30% rule and therefore had to be bid by the City.
The City's consultant completed design of the lift station.
Throughout the design the consultant was providing updated
opinions of probable construction costs (OPCC). Based on the bid
for the original lift station and current construction costs the OPCC
discussed with the developer was $539,341.
The approved budget in FY15 was $600,000. The Torian Place Lift
Station, as it has come to be known, was advertised to bid in
February 2016.
Two (2) bids were received on March 15, 2016. The bids have
been reviewed by Neel-Schaffer, Inc. & Cheatham & Associates
and City staff. The bid tabulations are as follows:
BIDDER BID AMOUNT
North Texas Contracting $2,179,760
Rey-Mar Construction $2,164,455
These bids were rejected by City Council at the April 5, 2016
Council meeting.
The City's consultant contacted potential bidders to discuss options
to help lower the cost and receive more bids. The project was re-
advertised with changes to performance time and methods of
construction. Four (4) bids were received on May 17, 2016. The
bids have been reviewed by Neel-Schaffer, Inc. & Cheatham &
Associates and City staff. The bid tabulations are as follows:
BIDDER BID AMOUNT
Rey-Mar Construction $1 ,455,013
Circle C Construction $1 ,762,450
North Texas Contracting $1 ,845,455
Wilson Contractor Services $2,025,559.22
The bid has an alternate to install a polymer concrete wet well as
opposed to a standard wet well with epoxy coating. The bid
amounts reflected above represent the alternate bid with the
polymer concrete. Staff recommends the alternate option.
The epoxy coating is a maintenance issue that over the 50-year life
of the wet well will cost the City double ($54,000) the difference
between the base line item and alternate line item ($28,750).
Several factors that weigh into the cost of this project are the
extreme depths of the lift station wet well and several manholes
(48-feet). The construction climate of 2016 also is vastly different
than that of 2009 which was a recession year.
Per the Residential Developer Agreement executed with the Torian
Place Addition developer, that entity is responsible for 33.33 % of
the cost of the lift station. The line item price of the lift station and
appurtenances, as well as the SCADA interface is $645,090.
Therefore the developer's share of the lift station is $215,008.50.
The Torian Place development is dependent on this lift station. No
Certificates of Occupancy will be issued until the lift station is
operational. The development is in the final stages of infrastructure
construction and will be getting building permits for houses soon.
Financial
Considerations: The developer of Torian Place is responsible for 33.33% of the cost
of the lift station itself, or $215,008.50. The existing Torian Lane Lift
Station CIP has an existing balance of $524,281.83. To fund the
full $1 .4 million, an additional $715,723 is required.
The additional funding necessary is available in the North Kimball
Avenue Utilities and Force Main Relocation CIP project and is
$548, 928.64. This project was complete in January 2016 and the
money is residual. The remaining amount of $166,794 will be
transferred from the Shady Oaks 8-inch sewerline project. This
project was postponed and will be constructed following the North
White Chapel Widening project. The money transferred will be re-
requested in the FY 18 budget.
Strategic Link: The construction of the Torian Place Lift Station project links to the
City's strategy map relative to focus areas of Infrastructure, Quality
Development and Partnerships. The specific corporate objectives
that are met by this construction project are to promote
opportunities for partnerships and to invest to provide and maintain
high quality public assets.
Citizen Input/
Board Review: N/A
Legal Review: This is the standard construction services contract that has been
previously reviewed by the City Attorney.
Alternatives: The Council may award the contract to Rey-Mar Construction or
reject all bids.
Supporting
Documents: Location Map
Bid Tabulation
Staff
Recommendation: Award construction contract for the Torian Place Lift Station project
to Rey-Mar Construction in the amount of$1 ,455,013.
Staff Contact: Rob Cohen P.E., Public Works Director
Steven D. Anderson, P.E., CFM, Deputy City Engineer
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