HomeMy WebLinkAboutAGENDA REPORT 2010 0217 CC REG ITEM 09A ITEM 9.A.
.ITY OF MOORPARK,CALIFORNiN
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MOORPARK CITY COUNCIL—AZ-<e4a
AGENDA REPORTY:
TO: Honorable City Council
FROM: David A. Bobardt, Community Development Dir for I
Prepared By: Joseph Fiss, Principal Planner
DATE: February 3, 2010 (CC Meeting of 211712010)
SUBJECT: Consider Status Update and Aesthetics Discussion Regarding
Soundwall Project—West Side of SR-23 North of Tierra Rejada Road
BACKGROUND/DISCUSSION
Status Update:
On May 21, 2008, the Honorable City Council authorized staff to initiate the permitting
process for certain soundwalls along the west side of State Route 23, north of Tierra
Rejada Road. Staff has been working with the California Department of Transportation
(Caltrans) to determine the required procedure necessary to permit and install
soundwalls within the Caltrans Right-of-Way.
On December 5, 2008, staff sent a Request for Proposals to four consultants: Parsons
Corporation, Penfield & Smith, TetraTech, and KOA Corporation. Proposals were
received on February 2, 2009 from each consultant. These proposals were evaluated
based on four major criteria: Project Manager, Project Team, Firm's Qualifications, and
Project Understanding and Approach.
On March 18, 2009, the Honorable City Council awarded a contract to provide
professional services with Parsons Transportation Group for preliminary engineering,
environmental analysis, design, and right-of-way activities for the installation of the
soundwalls. The contract was finalized and executed on May 28, 2009.
Parsons Transportation Group has since:
• Obtained topography and Right-of-Way information on the project site.
• Designed the preliminary wall locations, heights, and geometrics.
60
Honorable City Council
February 17, 2010
Page 2
• Obtained Caltrans approval for the number and location of geotechnical borings
and performed the borings.
• Prepared and submitted a "Design Exception Fact Sheet" to request Caltrans
permission for a 2:1 slope along the northern soundwall (rather than the Caltrans
standard 4:1 slope).
• Conducted Utilities research on the project.
• Completed the construction plans to about sixty (60) percent complete.
For the Environmental Document and Technical studies, the status is:
• Cultural Resources reports were submitted to Caltrans on January 28, 2010.
• Natural Environment Survey (NES - biology report) was submitted to Caltrans on
January 28, 2010.
• Initial Site Assessment (ISA - hazardous materials) checklist was submitted to
Caltrans on January 28, 2010.
• The Categorical Exemption was submitted to Caltrans on January 28, 2010.
The Noise Barrier Scope Summary Report (NBSSR) will be completed and submitted to
Caltrans in the next several weeks.
The 95% complete construction plans will be submitted to Caltrans in early March.
The project is still on target to be completed and approved by Caltrans in July 2010 per
the adopted schedule.
Aesthetics Discussion:
Soundwalls are primarily built to serve a practical function of reducing unwanted noise,
in this case, to the residents of the Toscana neighborhood in the Carlsberg Specific
Plan area. At the same time, soundwalls need to be aesthetically pleasing since they
are a dominant feature in the landscape because of their height, location close to the
travel lanes on the freeway, and horizontal distance they need to extend to be effective
in blocking noise. Additionally, soundwalls are often the target of graffiti, due to their
easy access and high visibility.
There are many different wall designs and materials that can provide the necessary
sound attenuation properties, while being attractive and providing graffiti deterrence.
Since the proposed wall will be constructed over a relatively short distance, there is very
little opportunity for treatments such as staggering or curving the wall itself. This leaves
materials, texture and landscaping as the primary treatments for meeting the multiple
objectives of the noise barrier.
61
Honorable City Council
February 17, 2010
Page 3
Several soundwalls already exist within the Moorpark, Simi Valley, and Thousand Oaks
freeway frontage, along State Routes 118 and 23, with a variety of designs and
treatments having been used. Many soundwalls within Simi Valley and Thousand Oaks
were constructed within the last few years, either in conjunction with freeway widening,
or as part of standalone soundwall projects. Recently constructed soundwalls in Simi
Valley exist on the westbound side of State Route 118, at Sycamore Road,
approximately eight (8) miles from this site. Those in Thousand Oaks exist on the
northbound side of State Route 23, at Sunset Hills Road, approximately three (3) miles
from this site. While the soundwalls in Simi Valley and Thousand Oaks are attractive
and either design would be satisfactory in Moorpark, given their distance from this site,
there is no need to match any of those walls precisely. The existing soundwalls in
Moorpark (built as part of the SR118 and SR23 connector in the early 1990s),
constructed out of a tan-colored slumpstone, would generally not meet current design
expectations.
Graffiti deterrence is also a high priority any time large expanses of wall are exposed to
an accessible area. There are several techniques to deter graffiti, but the most effective
is covering the area subject to graffiti with landscaping. Since these walls must be
placed adjacent to the shoulder, at the top of the slope, landscaping can not be planted
directly in front of the wall. For these walls staff is proposing a technique whereby vines
are planted behind the walls, and trained to come to the front of the walls through holes
designed for this purpose. There are many types of vines that work well for this
purpose, including "Creeping Fig", "Boston Ivy", and "Cat's Claw". Sometimes a
combination of two semi-deciduous vines is planted in order to provide color changes
throughout the year. Full coverage from vines can be expected to take two to three
years. Staff is working with the consultant's landscape architect to select the vines that
would be most appropriate for this application. In addition to landscaping, any large
surface such as this should be treated with a graffiti resistant coating to allow easy
cleaning, instead of painting.
Staff has reviewed many different designs of soundwalls and can recommend any one
of three designs, as follows:
1. Match the "Toscana" tract perimeter walls. The soundwalls will mostly block the
view of the tract perimeter walls from the freeway, but where visible, this design
would blend the soundwall with the privacy walls and create the least visual
clutter. Such a design would be more of a "neighborhood" wall, versus a wall
that would visually benefit the entire community.
2. Match the retaining walls on the north side of Tierra Rejada Road, just west of
the SR-23 Freeway. This would be consistent with the entry into the community
as a whole. The existing walls are of a very modest design, meant to blend with
natural topography. This effect is more difficult on a tall wall such as the
proposed soundwalls.
62
Honorable City Council
February 17, 2010
Page 4
3. A block wall with a design using blocks of a different color or texture. One option
reviewed by staff is a design of textured blocks with a pattern representing a
range of hills rising above a plain, or "waterline", similar to the surrounding
topography of hills rising above the Arroyo Simi. This design suggests the
existing topography and biological history of the Moorpark area, and provides a
high level of visual interest. This would be the most like "public art", although the
pattern may eventually be obscured by landscaping. However, until the
landscaping matures, and, if deciduous landscaping is selected, this design
would be visible. Colors and materials would be carefully selected to be
consistent with the surrounding built and natural environment. This is the
preferred option.
Color prints of a slide presentation for the City Council meeting are provided under
separate cover.
FISCAL IMPACT
As noted in the attached March 18, 2009 report to the Honorable City Council,
(awarding Parsons Transportation Group a Professional Services Contract for
Preliminary Engineering, Environmental Analysis, Design, and Right-of-Way Activities
for the Installation of Soundwalls), a budget amendment was required to allocate funds
for the design and construction of the soundwalls. The funding source is the Carlsberg
portion of the Citywide Traffic Mitigation Fund, the same as for the original noise study.
The following table shows the estimated combined project costs for the soundwall:
Noise Study (Completed) $16,250.00
Engineering/Design (Current Proposal) $257,932.94
Construction Costs (City Estimate based on $1,500,000.00
future costs and contingencies)
Total $1,774,182.94
STAFF RECOMMENDATION
Direct staff to proceed with soundwall design per Attachment 1.
Attachments:
1. Proposed Soundwall Elevation
2. City Council Report of 3/18/09 (w/o attachments)
3. Slide Presentation (Under Separate Cover)
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MOORPARK CITY COUNCIL
AGENDA REPORT
TO: Honorable City Council
FROM: David A. Bobardt, Planning Director
Yugal Lail,City Engineer/Public Wo i r `f
Prepared by: Joseph Fiss, Principal Planner
DATE: March 11, 2009 (CC Meeting of 3118109)
SUBJECT: Consider Award of Contract to Provide Professional Services with
Parsons Corporation for Preliminary Engineering, Environmental
Analysis, Design, and Right-of--Way Activities for the Installation of
Soundwalis on SR-23 (Approximate Postmile Limits: 7 Ven-23 PM
10.0110.4) and Resolution Amending the Fiscal Year 200812009
Budget to Fund the Professional Services
DISCUSSION
On May 21, 2008, the Honorable City Council authorized staff to initiate the permitting
process for certain soundwalls along the west side of State Route 23, north of Tierra
Rejada Road. Staff has been working with the California Department of Transportation
(Caltrans) to determine the required procedure necessary to permit and install
soundwalls within the Caltrans Right-of-Way.
Staff does not have the technical expertise and resources to prepare the necessary
documentation for permitting through Caltrans; therefore it was necessary to seek a
consultant to prepare this information on the City's behalf.
On December 5, 2008, staff sent a Request for Proposals to four.consultants: Parsons
Corporation, Penfield & Smith, TetraTech, and KOA Corporation. Proposals were
received on February 2, 2009 from each consultant. These proposals were evaluated
based on four major criteria: Project Manager, Project Team, Firm's Qualifications, and
Project Understanding and Approach.
CC ATTACHMENT 2 65
Honorable City Council
March 18, 2009
Page 2
Although all of the consultants were excellent, staff has determined that Parsons
Corporation has demonstrated superior qualifications in all areas of evaluation. Staff
has negotiated a cost for this work of$257,932.94.
The following table summarizes the consultant's rankings:
Criteria KOA Penfield & Parsons Tetra Tech
Smith Corporation
Project 7 7 9 8
Manager
Project Team 7 7 9 8
Firm's 8 8 9 8
Qualifications
Project 7 7 10 9
Understanding
and Approach
FISCAL IMPACT
A budget amendment is required to allocate funds for this proposal and is attached.
The funding source is the Carlsberg portion of the Citywide Traffic Mitigation Fund, the
same as for the original noise study.
The following table shows the estimated combined project costs for the soundwall:
Noise Study (Completed) $16,250.00
Engineering/Design (Current Proposal) $257,932.94
Construction Costs (City Estimate based on $1,500,000.00
future costs and contingencies)
Total $1,774,182.94
STAFF RECOMMENDATION (Roll Call Vote Required)
1. Adopt Resolution No. 2009- approving a budget amendment for up to
$ 260,000.00.
2. Authorize the City Manager to enter into an agreement with Parsons Corporation
to provide professional services for preliminary engineering, environmental
analysis, design, and right-of-way activities for the installation of soundwalls on
SR-23 (Approximate Postmile Limits: 7-Ven-23 PM 10.0110.4), in an amount not
to exceed $260,000.00.
SACommunity Development%DEV PMTS\.S P1SP 92-1 Carlsberg Specific Plank,c agenda report 090314.doc
66
Honorable City Council
March 18, 2009
Page 2
ATTACHMENTS:
1. Draft Resolution with Appropriation and Budget Detail
2. Draft Agreement for Professional Services
11Ma_pri s&N%Departrnent Shm%Cammur4 Devebp nwhDEV PUT=FW 92-1 Carlsberg Specific Planicc mend,report .
OM14.doc
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