HomeMy WebLinkAboutAgenda Report - April 20, 2011 C-070?
AGENDA ITEM C;
CITY OF LODIO
COUNCIL COMMUNICATIONOq<iFOB��P
AGENDA TITLE: Adopt Resolution Authorizing City Managerto Execute Contract Change Orderwith
Diede Construction, Inc., of Woodbridge, for Additional Work Related to the Central
Plume PCERCE Remedial Measures Project ($174,966) and Appropriating Funds
($150,000)
MEETING DATE: April 20, 2011
PREPARED BY: Public Works Director
RECOMMENDEDACTION: Adopt resolution authorizing City Manager to execute contract
change order with Diede Construction, Inc., of Woodbridge, for
additional work related to the Central Plume PCERCE remedial
measures project in the amount of $174,966 and appropriating
funds in the amount of $150,000.
BACKGROUND INFORMATION: The contract with Diede Construction was approved by Council on
March 17, 2010. The project consists of design, construction,
operation and maintenance of a groundwater extraction and
treatment system and a soil vapor extraction and treatment system.
The work is substantially completed and the system is operational.
The next step in the Central Plume remedial measures project is to decommission the existing facility
located on the Guild Cleaners property ($69,857) and to restore the parking lot asphalt and striping at the
Guild Cleaners parking lot ($22,695) per the Central Plume legal settlement agreement. Additionally, a
trash enclosure is included for the property located at 212 West Pine Street ($27,294) as mitigation for
the removal of the trash enclosure from the remedial measures treatment facility site. City staff also
recommends the alley between Church Street and Pleasant Avenue be repaved ($55,120)to repairthe
extensive damage caused by the trenching for the remedial measures project. The estimated cost for the
change order work described above is $174,966. The cost of decommissioning the Guild facility is
conservatively estimated and is dependent on San Joaquin County Environmental Health Department's
final permitterm requirements for the vapor extraction well abandonment. Staff is hopeful these costs
can be reduced if the County accepts our proposed alternate well abandonment methods.
There have been two change orders approved by the City Manager for this project. Change Order No. 1
was for enlarging the treatment facility site and changing the vapor well configurations ($26,055).
Change Order No. 2 was to replace five driveways impacted by the project scope to comply with current
ADA requirements ($41,579.13).
The contract amount awarded was $1,758,672.42. The actual contract cost to date is $1,380,761.99 with
$325,000 in reserve for future carbon change outs. Once the decommissioning work is complete, the
new treatment facility will begin official operation.
APPROVED:
Konradt Bartlam, City anager
K:\WP\PROJECTS\WATER\PCE,TCE\Central\ExtractTreatSystem\CC Central Plume IRM CO.doc 4/13/2011
Adopt ResolutionAuthorizing City Managerto Execute Contract Change Order with Diede Construction,
Inc., of Woodbridge, for Additional Work Related to the Central Plume PCE/TCE Remedial Measures
Project ($174,966) and Appropriating Funds ($150,000)
April 20, 2011
Page 2
FISCAL IMPACT: This work will conclude the settlement requirements at the Guild Cleaners
site and will save future alley repair costs. Capital funding for these
facilities comes from Central Plume Settlement Funds.
FUNDING AVAILABLE: Requested Appropriation:
Central Plume Settlement Funds (190): $150,000
Jordan Ayers
Deputy City Manager/Internal Services Director
JW a&j )av�
F. Wally Sa delin
PublicWorks Director
Prepared by Gary Wiman, Construction Project Manager
FWS/GW/pmf
K:\WP\PROJECTS\WATER\PCE,TCE\Central\ExtractTreatSystem\CC Central Plume IRM COA00 4/12/2011
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7. REQUEST IS MADE TO FUND THE FOLLOWING PROJECT NOT INCLUDED IN THE CURRENT BUDGET
lea F rovide a description of the proje :F tot a cost of the project, as well 3ji 0 for the
ti adjustment If you need more , use an additional I and tt t, this form
contract change order with Diede Construction, Inc., of Woodbridge,for additional work related to the Central Plume PCE/TCE remedial
measures project
If Council has authorized the appropriation adjustment, complete the following
Meeting Date Res No j, Attach copy of resolution to this form
Department Head Signature �
8. APPROVAL SIGNATURES'
Deputy City Manager/Internal Services Manager Date
Submit completed form to the Budget Division with any required documentation
Final approval will be provided in electronic copy format.
RESOLUTION NO. 2011-56
A RESOLUTION OF THE LODI CITY COUNCIL AUTHORIZING
THE CITY MANAGER TO EXECUTE CONTRACT CHANGE
ORDER FOR ADDITIONAL WORK RELATED TO THE
CENTRAL PLUME PCE/TCE REMEDIAL MEASURES
PROJECT AND FURTHER APPROPRIATING FUNDS
WHEREAS, the contract with Diede Construction, Inc., of Woodbridge, CA for the
Central Plume PCE/TCE Remedial Measures Project was approved by Council on
March 17, 2010. The project, consisting of design, construction, operation, and
maintenance of a groundwater extraction and treatment system and a soil vapor
extraction and treatment system, is substantially completed and the system is
operational; and
WHEREAS, the next step in the Central Plume area is to decommission the
existing facility located on the Guild Cleaners property, to restore the asphalt and striping
at the Guild Cleaners parking lot, and to provide a trash enclosure for the property
located at 212 West Pine Street as a mitigation measure. City staff also recommends
that the alley between Church Street and Pleasant Avenue be repaved to repair
extensive damage caused by the trenching for the remedial measure project; and
WHEREAS, staff recommends appropriating $150,000 from the Central Plume
Settlement Fund.
NOW, THEREFORE, BE IT RESOLVED that the Lodi City Council does hereby
authorize the City Manager to execute a contract change order in the amount of
$174,966 with Diede Construction, Inc., of Woodbridge, California, for additional work
related to the Central Plume PCE/TCE Remedial Measures Project; and
BE IT FURTHER RESOLVED that funds in the amount of $150,000 be
appropriated from the Central Plume Settlement Fund.
Dated: April 20, 2011
I hereby certify that Resolution No. 2011-56 was passed and adopted by the City
Council of the City of Lodi in a regular meeting held April 20, 2011, by the following vote:
AYES: COUNCIL MEMBERS— Hansen, Katzakian, Nakanishi, and
Mayor Johnson
NOES: COUNCIL MEMBERS—None
ABSENT: COUNCIL MEMBERS— Mounce
ABSTAIN: COUNCIL MEMBERS —None
NIDI JOHL
City Clerk
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