HomeMy WebLinkAboutAGENDA REPORT 1992 1021 CC REG ITEM 08JMOORPARK STEM 8 S
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ACTION: /
M E M O R A N D U M
dy
TO: The Honorable City Council
FROM: Kenneth C. Gilbert, Director of Public Works
DATE: October 15, 1992 (Council Meeting 10- 21 -92)
SUBJECT: Authorization to Proceed with Preparation of the
Design for the Widening of the New Los Angeles
Avenue Bridge Across the Arroyo Simi
DISCUSSION
A. Street Width
The ultimate planned width of Los Angeles Avenue / New Los
Angeles Avenue is one hundred eighteen feet (1181) with a
curb -to -curb dimension of one hundred two feet (102' ) [ see
Attachment 'A']. In order accommodate this width at the
New Los Angeles Avenue bridge across the Arroyo Simi, it
will be necessary to widen the bridge from its present
width of eighty -three feet (831) [guard rail to guard
rail].
B. Design
The City Engineer had prepared a proposal for the
preparation of a design for this bridge widening project.
The design effort would include the following tasks:
• Survey
• Hydrographic analysis of the river
• Geotechnical investigation
• Utility coordination
• Preliminary design
• Field Investigation
• Traffic Control plans
• Review and approval by City, Caltrans and Ventura
County Flood Control District
• Final Design / Construction Documents
The amount of the fee for this effort is $77,820.
PAUL W. LAWRASON JR. JOHN E. WOZNIAK SCOTT MONTGOMERY BERNARDO M PEREZ ROY E. TALLEY JR.
Mayor Mayor Pro Tem Councilmember Councilmember Councilmember
Pnnted Cn Recycled Paper
New Los Angeles Avenue Bridge
Page 2
C. Budget Amendment
The FY 1992/93 Budget includes an amount of $50,000
(027- 142 - 903 -0269) for the preparation of this design. It
is anticipated that the funding for the construction of
this project will be considered next Fiscal Year. It is
recommended that the City Council approve the following:
• the appropriation of an additional $35,000 from the Los
Angeles Avenue AOC for this project; and,
• amend the FY 1992/93 Budget to increase funding for
this project from $50,000 to $85,000 (a $35,000
increase), an amount sufficient to cover the $77,820
design fee plus reimbursable expenses contingencies.
D. Preliminary Project-Cost Estimate
Attached as Attachment 'B' is a preliminary construction
cost estimate for the this work. Total costruction costs
` are estimated at approximately $630,000.
E. Committee Review
At their meeting of October 5, the Public Works /
Facilities Committee discussed the subject design and
recommended that we proceed with the design at this time.
RECOHEENDATION
Staff and the Public Works / Facilities Committee recommend
that the City Council take the following actions:
1. Approve the appropriation of additional funds and the
amendment of the FY 1992/93 Budget as described herein.
2. Direct the City Engineer to proceed with the preparation
of the subject design in a manner consistent with a Scope
of Work to be determined by the City Manager, and for a
design fee Not To Exceed $77,820.
3. Approve a project contingency of $7,180 (approximately ten
per cent) and authorize the City Manager to approve
additional work, if required, not to exceed said amount.
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EXISTING:
PROPOSED:
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NEW LOS ANGELES AVE:. BRIDGE; WIDENING
PRELIMINARY COS'r ESTIMATE: 10/14/92
131' long
8J' wide (outer guardrails)
Full width of New L. A. Ave. C. F. to C. F.
6 lanes and 14' median (118 ft wide to the outer
guardrails)
2 - 5' wide sidewalks
ESTIMATE: Additional 35 ft. wide
35' x 131' = 4585 sq. ft.
Bridge const. cost @
S90 /sq. ft x 4565 sq. ft. = $412,650
Approach shoulder widening cost 90,000
ESTIMATED TOTAL COST $502,650
contingency 25%
approx.
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125. 662. 50
$628,312
$630,000