HomeMy WebLinkAbout09 - Buck Gully Wetlands Maintenance Road RepairsCITY OF NEWPORT BEACH
CITY COUNCIL STAFF REPORT
Agenda Item No. 9
July 24, 2007
TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: Public Works Department
Stephen Luy
949 -644 -3330 or sluy @city.newport- beach.ca.us
SUBJECT: BUCK GULLY WETLANDS MAINTENANCE ROAD REPAIRS AT 5T"
STREET - AWARD OF CONTRACT NO. 3778
RECOMMENDATIONS:
1. Approve the drawings and specifications.
2. Award Contract No.3778 to McKenna General Engineering Inc., for the Total Bid
Price of $344,823.60, and authorize the Mayor and the City Clerk to execute the
contract.
3. Establish an amount of $34,500.00 (10 %) to cover the cost of unforeseen work.
4. Approve a Budget Amendment in the amount of $136,323.60 ($68,000 from
Account No. 7501- C6002001 [Ocean Birch Drive Water Main] to 7501- C5100659
[Buck Gully Wetlands Maintenance Road Repairs] and $68,323.60 from Account
No. 010 -3605 [Unappropriated General Fund]) to Account No. 7014- C5100659.
DISCUSSION:
At 11:00 a.m. on July 12, 2007 the City Clerk opened and read the following bids for this
project:
Corrected Bid Amount is $347,136.40
Corrected Bid Amount is $400,838.00
BIDDER
AMOUNT
Low
McKenna General Engineering, Inc.
$344,823.60
2
JMA Construction Co.
"$347,135.00
3
GCI Construction Co.
$397,867.00
4
Peterson -Chase General Engineering, Inc.
$398,970.00
5
NCCI, Inc.
""$396,388.00
6
Bonsall Construction
$404,838.00
7
S.P. Pazargad
$413,827.00
Corrected Bid Amount is $347,136.40
Corrected Bid Amount is $400,838.00
Buck Gully Wetlands and Maintenance Road Repairs at 5th Street —Award of Contract No. 3778
July 24, 2007
Page: 2
While the low total bid amount is 38% percent above the Engineer's Estimate of $250,000,
all seven bids received are within the same range indicating that the proposed bid is
reasonable. The low bidder, McKenna General Engineering Inc., possesses a California
State Contractors License Classification "A" as required by the project specifications. A
check of the Contractor's references indicates it has satisfactorily completed projects of
similar difficulty for other municipalities.
This project accomplishes two purposes.
• The maintenance road leading into Buck Gully from a Street and Poppy Street
accesses a water main blow off in the canyon. A concrete structure (with two
culverts) provides a crossing over the creek. This project will replace the
Concrete road cap and headwalls which have been compromised making the
crossing hazardous for service vehicles. Additionally, stream erosion upstream
and downstream of the road crossing, which is undercutting the road crossing
headwalls as well as the channel slopes, will be repaired and stabilized.
• Under a Proposition 13 grant (2002) from the State Water Resources Control
Board, one of the grant tasks is the creation of a wetlands area. Under this
proposed project, invasive plants will be removed and native wetland plantings
will be installed.
The work necessary for the completion of this contract consists of two Project Phases
as follows:
Project Phase 1 work includes general site preparation and construction work including
mobilization, erosion control, BMP (Best Management Practice) and SWPPP (Storm
Water Pollution Prevention Plan) measures, clearing and grubbing, demolition of a
portion of the existing concrete "Arizona" creek crossing and existing riprap section,
dewatering and surface water control, constructing headwalls and new paving cap at
the existing "Arizona" crossing, Constructing various rock - filled gabion grade control
structures within the creek, constructing various rock and soil - filled gabion creek bank
erosion protection structures, placing unclassified fill, modifying existing storm drain
pipes and outfall structure, installing storm drain inserts, controlling sediment, installing
erosion control fabric slope protection, providing dust control and all other work as
required to bring this reach of Buck Gully into readiness to accept storm water flows.
Project Phase 2 work includes installation of a temporary irrigation system, planting of
native California wetland and upland plant species, including trees, shrubs, . cuttings,
hydro- seeding and providing other landscaping and revegetation tasks as required to
complete the project.
Upon successful completion of Phase 2 a 120 -day plant establishment maintenance
period will commence. After the 120 -day maintenance period, there is also an
obligatory 5 -year long -term maintenance and monitoring period, which will be handled
by the City as a separate contract, not included in this current project.
Buck Gully Wetlands and Maintenance Road Repairs at 5th Street — Award of Contract No. 3776
July 24, 2007
Page: 3
Pursuant to the Contract Specifications, the Contractor will have 45 consecutive working
days to complete Phase 1, site preparation and construction work. The contractor will
have an additional 30 consecutive working days to complete Phase 2 of the work,
including installing the irrigation system, hydro- seeding and landscaping. A total of 75
working days will be allowed for the Contract. As the work will occur in the creek bed, it
is prudent to commence construction as soon as possible to reduce the chance of
construction occurring during rain events. However, per the California Department of
Fish and Game, construction may only commence after August 15 so as not to interfere
with the gnat catcher breeding season.
Environmental Review:
The project was determined to be exempt from the California Environmental Quality Act
(CEQA) pursuant to Section 15301 Existing Facilities for Maintenance Road and
Section 15333, Class 33 of the CEQA Implementing Guidelines at the time the project
was authorized by the City Council. This exemption covers the restoration of small
habitat and allows for the stabilization of stream banks with native vegetation and bio-
engineering techniques to eliminate erosion and sedimentation.
Public Notice:
The Notice Inviting Bids was advertised in the City's official publication and in
construction industry publications.
Geotechnical. Material Testing and Printinq Costs:
In addition to the contract costs, $5,000 in material testing is estimated for this project
and $2,000 for printing and other incidentals.
Funding Availability:
Upon approval of the recommended Budget Amendment, sufficient funds will be
available in the following accounts for the project:
Account Description
Account Number
General Fund
7014- C5100659
Contributions
7255- C5100659
Water Enterprise
7501- C5100659
Total:
Amount
$ 115,823.60
67,500.00
203,000.00
$ $386,323.60
Buds Gully Wetlands and Maintenance Road Repairs at 5th Street— Award of Contract No. 3778
July 24, 2007
Page: 4
Proposed uses are as follows:
Vendor
McKenna General Engr., Inc.
McKenna General Engr., Inc.
On —call Consultant
Various
Prepared by:
Stephen Luy
Associate Civil Engineer
Attachments: Project Location Map
Bid Summary
Budget Amendment
Purpose
Construction Contract
Construction Contingency
Materials Testing
Printing and Incidentals
Total:
Submitted by:
Amount
$ 344,823.60
34,500.00
5,000.00
2,000.00
$ 386,323.60
Badum
s Director
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City of Newport Beach NO. BA- 08BA -004
BUDGET AMENDMENT
2007 -08 AMOUNT: $136,323.60
EFFECT ON BUDGETARY FUND BALANCE:
Increase Revenue Estimates Increase in Budgetary Fund Balance
FX Increase Expenditure Appropriations AND X Decrease in Budgetary Fund Balance
Transfer Budget Appropriations No effect on Budgetary Fund Balance
SOURCE:
X from existing budget appropriations
from additional estimated revenues
X from unappropriated fund balance
EXPLANATION:
This budget amendment is requested to provide for the following:
To transfer and increase expenditure appropriations for the Buck Gully Wetlands Maintenance Road Repair project.
ACCOUNTING ENTRY:
BUDGETARY FUND BALANCE
Fund Account
010 3605
REVENUE ESTIMATES (3601)
Fund /Division Aocoun t
EXPENDITURE APPROPRIATIONS (3603)
Description
General Fund - Fund Balance
Description
Signed:
Signed: 1-,
Signed:
Manager
Amount
Debit Credit
$68,323.60 "
$68,000.00
$68,323.60
$68,000.00
7 -/& -07
Date
City Council Approval: City Clerk Date
Y
Description
Division
Number
7014
General Fund - Miscellaneous & Studies
Account
Number
C5100659
Buck Gully Restoration
Division
Number
7501
Water Fund - Capital Project
Account
Number
C6002001
. Ocean Birch Drive Water Main
Division
Number
7501
.Water Fund - Capital Project
Account
Number
C5100659
Buck Gully Restoration
Division
Number
Account
Number
Division
Number
Account
Number
Signed:
Signed: 1-,
Signed:
Manager
Amount
Debit Credit
$68,323.60 "
$68,000.00
$68,323.60
$68,000.00
7 -/& -07
Date
City Council Approval: City Clerk Date
Y