1995-0815_BRONGO CONSTRUCTION_D6_Agenda Report AGENDA ITEM August 15, 1995
TO: George Scarborough, City Manager
FROM: William M. Huber, Director of Engineering& Building
SUBJECT: Plans and Specifications and Authorization to Receive Bids for River Street Drainage
Improvements
RECOMMENDATION
By motion, approve the plans and specifications for River Street Drainage Improvements and
authorize Staff to receive bids.
SITUATION
A. Summary and Recommendation
The Capital Improvement Program for FY 94-95 included funding for the design or design
and construction of a number of projects to correct drainage problems. One of these projects
is the River Street Drainage Improvements which is funded for construction in FY 95-96.
A copy of the plans and specifications is available for review in the City Clerk's Office and a
copy has been placed in the City Council Office.
B. Background
River Street was abandoned as a public street by the County of Orange in 1948 and reverted
to the adjacent properties, Lots 55 and 56 of Tract 103. As part of the public construction
requirements of the Franciscan Plaza project, a storm drain was constructed from the
Franciscan Plaza and Verdugo Street down River Street to Trabuco Creek in a public
easement obtained from the owners of Lots 55 (Jones) and 56 (Ito) of Tract 103. An inlet
to this storm drain was provided on River Street approximately 20 feet west of Los Rios
Street. During light rains, the inlet collects street run-off adequately. During moderate to
heavy rains, street run-off bypasses the inlet. This project will mitigate this situation in part
by providing drainage inlet capacity on Los Rios Street by means of a slotted drain. Also, the
cross fall on River Street will be increased locally from approximately 2% to 4% by a
combination of overlaying or reconstructing River Street in the area adjacent to the existing
inlet.
By separate actions, Staff is recommending approval of Construction License Agreements
with the owners of Lots 55 and 56 for minor work on their properties within the limits of
River Street.
FOR CITY COUNCIL AGENT
AGENDA ITEM -2- August 15 1995
The only access to River Street is from Los Rios Street. Two commercial businesses, the Ito
Nursery and Jones Mini Farm will require truck access from time to time for deliveries and
trash pick up. The contractor is required to be able to place a steel plate over open
excavation in River Street so that truck access can continue with delays, not to exceed 5
minutes. By the use of flagmen, a minimum of single lane access to River Street and along
Los Rios Street will be maintained at all times during work hours. Outside work hours, full
two-way traffic shall be restored.
COMMISSION/BOARD REVIEW, RECOMMENDATIONS
N/A
FINANCIAL CONSIDERATIONS
River Street drainage is budgeted at $16,000 for design and construction in Account No. 12-63500-
4705-145. The Engineer's estimate for construction is $11,750.
NOTIFICATION
Mr. and Mrs. Gil Jones
Douglas and Braven Ito
ALTERNATE ACTIONS
1. Approve the plans and specifications for River Street Drainage Improvements.
2. Do not approve the plans and specifications.
3. Refer to Staff for additional information.
RECOMMENDATION
By motion, approve the plans and specifications for River Street Drainage Improvements and
authorize Staff to receive bids.
RespectfullySubmitted:Submitted: Prepared By:
/v
William M. Huber, P.E. Brian Perry, P.E.
Director of Engineering & Building Senior Civil Engineer
WMH/BP:ssg
a:\hldriver.bp