HomeMy WebLinkAbout15 - C-3368 BA-049 - Buck Gully Sewer Pump Station RehabilitationJune 25, 2002
CITY COUNCIL AGENDA
ITEM NO. 1 5
TO: Mayor and Members of the City Council
FROM: Public Works Department
SUBJECT: BUCK GULLY SEWER PUMP STATION REHABILITATION - AWARD OF
CONTRACT NO. 3368
RECOMMENDATIONS:
1. Approve the plans and specifications.
2. Award Contract No. 3368 to Caliagua, Inc. for the Total Bid Price of $762,511
and authorize the Mayor and the City Clerk to execute the contract.
3. Establish an amount of $75,000 to cover the cost of unforeseen work.
4. Authorize a Budget Amendment appropriating $157,511 from the unappropriated
Wastewater Fund Reserve Balance to Account No. 7532- C5600100.
DISCUSSION:
At 2:00 p.m. on June 17, 2002, the City Clerk opened and read the following bids for
this project:
BIDDER TOTAL BID AMOUNT
Low Caliagua, Inc. $763,511.00
2 GCI Construction $947,100.00
Corrected Bid Amount is $762,511.00
The low total bid amount is 11 percent above the Engineers Estimate of $683,000. The
low bidder, Caliagua, Inc., possesses a General Class "A" contractors license as
required by the project specifications. Caliagua has satisfactorily completed similar
projects for the other municipalities.
PROJECT DESCRIPTION:
The Buck Gully Wastewater Pump Station is located near Little Corona Beach off
Ocean Boulevard in Corona del Mar. See attached Exhibit "A" for the location of all of
the City's pump stations. This pump station was constructed in the 1940's when the
community was less developed and its sewer load was considerably less than today's.
The 50 -year old station has operated beyond its design life. The pumps are worn and
obsolete. Many of the components of the station need to be upgraded to meet current
State mandated codes and standards.
SUBJECT: BUCK GULLY SEWER PUMP STATION REHABILITATION -AWARD OF CONTRACT NO. 3368
June 25, 2002
Page: 2
The Regional Water Quality Control Board has become more stringent in requiring
agencies to maintain a "spill free" wastewater system. The Buck Gully Pump Station is
directly adjacent to the Buck Gully and right above the Little Corona swimming beach. If
the station fails, Staff has approximately one hour to respond and hook up a by -pass
pumping unit. Replacement of the Buck Gully pumps will also include the purchase of a
quieter backup generator.
The project involves the construction of a new pump room, installation of new pumps
and controls, demolition of the existing above ground control room, construction of a
new roof structure at the same elevation as the adjacent pedestrian walkway. In
addition, new drainage facilities will be constructed along with new concrete walkways
to the adjacent Little Corona restroom facilities.
In an effort to save time and construction costs, the Carnation and Linda Isle Pump
stations were included in the Buck Gully contract. The upgrades planned for these two
stations include new hatches to allow better access to the stations and electrical
upgrades, including emergency generator connections. A new bypass pump
connection vault is also planned at each station. Since the Buck Gully project includes
the same type of hatches, electrical controls, and bypass components, construction cost
savings was realized by bidding these three stations as one contract. Individually
constructed these two stations would have cost 20 to 30 percent more to upgrade.
PROJECT SCHEDULE AND FUNDING
The project is to be completed in 130 working days (6 months). However, construction
will not begin until September 15th to avoid impacts with the public during the summer.
There is $680,000 of funding available in the Master Plan Sewer Pump Station
Improvement Capital Improvement Account No. 7532- C5600100. The remaining
$157,511 will need to be appropriated from the unappropriated reserves of the
Wastewater Fund to Account No. 7532- C5600100. The three projects were estimated
at $1,044,000 in the 1996 Master Plan of Sewers. The total cost for the three projects
combined is $837,511, which includes $75,000 for unforeseen work.
Res ectfully �u'b itte
PUBLIC WORKS DEPARTMENT
Stephen G. Badum, Director
B
icl ael J. Sinac E.
Prin ipal Civil Engineer
Attachment Bid Summary
City Wastewater Pump Station Location Map
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City of Newport Beach
BUDGET AMENDMENT
2001 -02
EFFECT ON BUDGETARY FUND BALANCE:
Increase Revenue Estimates
X Increase Expenditure Appropriations
Transfer Budget Appropriations
SOURCE:
from existing budget appropriations
from additional estimated revenues
X from unappropriated fund balance
EXPLANATION:
NO. BA- 049
AMOUNT: $t57,st1.00
Increase in Budgetary Fund Balance
AND X Decrease in Budgetary Fund Balance
No effect on Budgetary Fund Balance
This budget amendment is requested to provide for the following:
To increase expenditure appropriations related to the Buck Gully Sewer Pump Station Rehabilitation Project, C -3368.
ACCOUNTING ENTRY:
BUDGETARY FUND BALANCE
Fund Account
530 3605
REVENUE ESTIMATES (3601)
Fund /Division Account
EXPENDITURE APPROPRIATIONS (3603)
Description
General Fund Fund Balance
Description
Signed:
Financial Approval:
Signed:
Administrative Appi
Services Director
Manager
Amount
Debit Credit
$157,511.00 '
$157,511.00
Date
6011 66 z
D
Signed:
City Council Approval: City Clerk Date
Description
Division
Number
7532 Sewer Pump Station Improvement Program
Account
Number
C5600100 Sewer Pump Station Master Plan Improvement
Division
Number
Account
Number
Division
Number
Account
Number
Division
Number
Account
Number_
Division
Number
Account
Number
Signed:
Financial Approval:
Signed:
Administrative Appi
Services Director
Manager
Amount
Debit Credit
$157,511.00 '
$157,511.00
Date
6011 66 z
D
Signed:
City Council Approval: City Clerk Date
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