HomeMy WebLinkAbout04 - Arches Diversion Projects — Award of Contract No. 8279-2Q �EwPpRT
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<,FORN'P City Council Staff Report
May 26, 2020
Agenda Item No. 4
TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: David A. Webb, Public Works Director - 949-644-3311,
dawebb@newportbeachca.gov
PREPARED BY: Bob Stein, Assistant City Engineer, rstein@newportbeachca.gov
PHONE: 949-644-3322
TITLE: Arches Diversion Projects — Award of Contract No. 8279-2
ABSTRACT:
Staff has received construction bids for the Arches Storm Drain Dry Weather Diversion
Projects and requests City Council approval to award the construction contract to the low
bidder, GCI Construction, Inc. (GCI) of San Clemente, California.
RECOMMENDATIONS:
a) Find this project exempt from the California Environmental Quality Act (CEQA)
pursuant to Section 15301 (minor alteration of existing facilities) of the CEQA
Guidelines, because it has negligible potential to have a significant effect on the
environment;
b) Approve the project drawings and specifications;
c) Award Contract No. 8279-2 to GCI Construction, Inc. for the total bid amount of
$462,448.45, and authorize the Mayor and City Clerk to execute the contract;
d) Establish a contingency of $47,000.00 (approximately 10% of total bid) to cover the
cost of unforeseen work not included in the original contract; and
e) Authorize the City Manager and City Clerk to execute the Temporary Right of Entry
Agreement with Hoag Hospital on an agreement approved as to form by the City
Attorney.
FUNDING REQUIREMENTS:
Sufficient funding is available in the current Capital Improvement Program budget for the
award of this contract. This project is supported by grant funding previously awarded by
the State Water Resources Control Board (SWRCB) and appropriated through the
environmental contributions account. The required local match is from Tidelands funds.
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Arches Diversion Projects — Award of Contract No. 8279-2
May 26, 2020
Page 2
Project funding will be expensed from the following accounts:
Account Name
Environmental Contribution
Tidelands Maintenance
Proposed fund uses are as follows:
Vandnr
GCI Construction, Inc.
GCI Construction, Inc.
On -Call Geotechnical
Construction Management
Various Vendors
DISCUSSION:
Account Number
13801-980000-16X11
10001-980000-16X11
Total:
Purpose
Construction Contract
Construction Contingency
Professional/Technical Services
Construction and Post -Construction
Printing/Incidentals
1,551.55
556,000.00
Amount
$ 509,450.00
$ 46,550.00
$ 556,000.00
Amount
$ 462,448.45
$ 47,000.00
$ 7,500.00
$ 37,500.00
Total:
At the closing of the bid at 10 a.m. on April 14, 2020, the City Clerk opened and read the
following bids for this project:
The low bidder is GCI, a contractor that has a long and solid track record for successfully
completing City projects. While the low bid amount is 19 percent above the original
Engineer's Estimate of $390,000, the bid is reasonable as the project includes several
unusual and specialized construction tasks that is reflected in the wide spread of
contractor bids. The difference between the original Engineer's Estimate and the low
bidder was specifically due to additional items and quantities added through Bid
Addendums but were not included within the original Engineer's Estimate. These items
include the diversion wetwell, upsized piping and an added construction of a driveway
approach. GCI possesses a California Contractor License Classification "A" as required
by the specifications.
Pursuant to the contract specifications, GCI is allotted 60 consecutive working days to
complete the work. Liquidated damages in the amount of $2,500 per each consecutive
calendar day will be assessed in the case of tardy completion.
The last long-term fecal indicator bacteria posting in Newport Bay is associated with the
two large storm drains that discharge into the Turning Basin at the northwest corner of
the harbor. In an effort to reduce indicator bacteria numbers and work to remove this long
term water quality posting, City staff applied for and was subsequently awarded a
Proposition 84 grant in the amount of $839,500 for design and construction of a
dry -weather diversion on two storm drain lines discharging into the harbor Turning Basin.
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BIDDER
TOTAL BID AMOUNT
Low
GCI Construction, Inc.
$ 462,448.45
2nd
Paulus Engineering, Inc.
$ 603,468.37
3rd
Aramexx Construction
$ 609,481.20
4th
Beador Construction Company, Inc.
$ 925,700.00
5th
Los Angeles Engineering, Inc.
$ 1,012,582.40
The low bidder is GCI, a contractor that has a long and solid track record for successfully
completing City projects. While the low bid amount is 19 percent above the original
Engineer's Estimate of $390,000, the bid is reasonable as the project includes several
unusual and specialized construction tasks that is reflected in the wide spread of
contractor bids. The difference between the original Engineer's Estimate and the low
bidder was specifically due to additional items and quantities added through Bid
Addendums but were not included within the original Engineer's Estimate. These items
include the diversion wetwell, upsized piping and an added construction of a driveway
approach. GCI possesses a California Contractor License Classification "A" as required
by the specifications.
Pursuant to the contract specifications, GCI is allotted 60 consecutive working days to
complete the work. Liquidated damages in the amount of $2,500 per each consecutive
calendar day will be assessed in the case of tardy completion.
The last long-term fecal indicator bacteria posting in Newport Bay is associated with the
two large storm drains that discharge into the Turning Basin at the northwest corner of
the harbor. In an effort to reduce indicator bacteria numbers and work to remove this long
term water quality posting, City staff applied for and was subsequently awarded a
Proposition 84 grant in the amount of $839,500 for design and construction of a
dry -weather diversion on two storm drain lines discharging into the harbor Turning Basin.
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Arches Diversion Projects — Award of Contract No. 8279-2
May 26, 2020
Page 3
As designed, this water quality improvement project will divert low -flow, dry weather runoff
that periodically contains fecal indicator bacteria, into the sanitary sewer and prevent it
from draining into Newport Harbor. Two diversions are proposed: one within a Caltrans
Box Culvert located along Old Newport Boulevard across the street from Catalina Drive
within Caltrans' right-of-way, and a second diversion within a City storm drain running
along Hoag Road West uphill of Hoag Drive within property owned by Hoag Hospital
(location map attached). The Old Newport Boulevard diversion requires a Caltrans
Encroachment Permit and the Hoag Road Diversion requires a temporary right of entry
agreement; both are nearing final approval. Note that at Hoag Hospital's request, City will
hire the hospital's contractor under a separate contract, to install a new junction box
adjacent to the project area and pull power from the adjacent parking structure's electrical
panel to the new box.
The Old Newport Boulevard diversion includes installing a flow diversion within the
Caltrans Box Culvert and directing the low flow (about 25-50 gallons per minute) to a
small sump located in a new manhole. A 1/3 horsepower pump will periodically pump the
discharge through a meter and then to the sanitary sewer. Operation of the system will
be monitored remotely through a supervisory control and data acquisition (SCADA)
control system tied into the City Utility Yard. The Hoag Road diversion design is similar
with the flow diverted from a City storm drain line.
Construction services will be provided by the design consultant, Stantec, under an
amendment to its contract. In addition to reviewing contractor submittals and answering
design and field questions, Stantec will provide a biologist to assess if the project could
have an impact on nesting birds, a requirement of the Caltrans Permit.
Post -construction services by Stantec will entail monitoring for indicator bacteria in the
storm drain lines and preparing a report showing that any remaining bacteria found cannot
be caused from upstream sources and must therefore be either naturally sourced or come
from some unidentified source within the bay. The latter reason is unlikely.
The project drawings and specifications will be available for review upon request at the
May 26, 2020, City Council meeting.
ENVIRONMENTAL REVIEW:
Staff recommends the City Council find this project exempt from the California
Environmental Quality Act (CEQA) pursuant to Section 15301 (minor alteration of existing
facilities) of the CEQA Guidelines, because it has negligible potential to have a significant
effect on the environment,
NOTICING:
The agenda item has been noticed according to the Brown Act (72 hours in advance of
the meeting at which the City Council considers the item).
ATTACHMENT -
Attachment — Location Map
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ATTACHMENT A
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