HomeMy WebLinkAboutC22870B CO9 - Portola Ave. BridgeREQUEST:
SUBMITTED BY:
CONTRACTOR:
DATE:
CONTENTS:
Recommendation:
CITY OF PALM DESERT
PUBLIC WORKS DEPARTMENT
STAFF REPORT
Approve Construction Change Order No. 9 to Contract No.
C22870B with Granite Construction Company for the Portola
Avenue Bridge over the Whitewater Channel (Project Number
647-04)
Mark Greenwood, P.E.
Director of Public Works
Granite Construction Company
38000 Monroe Street
Indio, California 92203-9500
January 24, 2008
Construction Change Order No. 9
Final Cost Accounting
Summary of Construction Change Orders
Vicinity Map
By Minute Motion:
Approve Construction Change Order No. 9 to Contract C22870B with
Granite Construction Company in the amount of $263,230.98 that
provides for final accounting of costs, the addition of base material on
CVWD access road, and the reimbursement of costs incurred by
Moffatt & Nichol Engineers services related to the girder failure for the
Whitewater Bridge at Portola Avenue Project, and authorize the Mayor
to execute the change order.
Discussion:
On July 14, 2005, City Council approved Contract No. C22870B with Granite
Construction Company in the amount of $10,046,046.00, plus a 10% contingency,
for construction of the Whitewater Bridge at Portola Avenue. The Notice to Proceed
with construction was issued on August 22, 2005. Except for landscaping, the
project is complete. The landscaping is being done via a separate contract that was
awarded on January 10, 2008.
Attached is the Summary of Construction Change Orders that lists the eight change
orders that were previously approved by City Council and this final change order.
Staff recommends approval of Construction Change Order No. 9, consisting of the
following items:
Staff Report — Contract Change Order 9 to C22870B Granite
Page 2 of 2
January 24, 2008
1. Cost to furnish and install Class II base on CVWD access road at the agreed
price of $4,655.38 that will reduce rutting and tracking of soil onto the street.
2. Additional compensation in the amount of $248,762.60 resulting from the final
accounting of actual quantities and costs of contract items of work and
change orders done on a force account (time and materials basis). The main
reasons for this increase were primarily due to A) more of the original road
had to be removed than originally estimated that interfered with construction
of bridge footings (CCO #1), B) the construction of the concrete invert slab
(CCO #6) required more extensive labor for forming, grading, and rebar
placement than estimated to expedite the completion before winter rains, and
C) additional concrete retaining wall and sidewalk work.
3. A credit in the amount of $17,187.00 for the cost incurred by Moffatt & Nichol
Engineers to analyze and review data related to the manufacture,
straightening, and placement of precast girders in order to eliminate any
subsequent failures of remaining girders.
Funds for this change order are available in project account number 400-4359-433-
4001. The Coachella Valley Association of Governments (CVAG) will be
contributing 50% of the project costs.
Submitted By:
Job A. Garcia, P.E.
Engineering Manager
Approval:
Homer Croy /�%%
ACM for Devekfpment Services
Carlos L. Ort-•a
City Manager
JG:dhl
Mark Gree)wood, P.E.
Director of Public Works
Paul Gibson
Finance Director
;;ITY COUNCIL CTION:
APPROVED DENIED
RECEIVED OTHER
D1EETIN DATE - ',•
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CI1'Y OF PALM DESERT Contract#/P.O.# c2�87og 12484
Change Order No. 9
CONSTRUCTION CHANGE ORDER Contingency: YE$ 0
Contract Purpose Whitewater Bridge at Portola Avenue Account No. 400-4359- -4001
Contractor's Name Granite Construction Company Project No. 647-04 �
a,ad�ess: 3800 Monroe Street, Indio, CA 92203-9500 vendor►vo. 1010
You are hereby requested to comply with the following changes from the contract plans and specifications:
DESCRIPTION OF CHANGES DECREASE INCREASE
(Attached Supplemental Plans and Specifications) In Contract Price In Contract Price
1 . Furnish and install Class II agregate base on CVWD access road at the $4,655.38
agreed price of $4,665.38
2. In accordance with the attached summary of final quantities and costs of $248,762.60
bid items and change orders, the contractor shall be paid the net amount of
$248,762.60.
3. Remburse the City for the cost of Moffatt & Nichol services provided $17,187.00
during the girderfailure at the agreed price of �17,187.00
TOTALS: $17,187.00 $253,417.98
NET CHANGE IN CONTRACT PRICE: $236,230.98
JUSTIFICATION:
1. The plans did not show the access road to be paved and the aggregate base will prevent rutting and tracking of soil
onto street. 2. At the completion of the project, it is required to balance the actual quantities and costs of all contract
items of work and change orders done on force account (time and materials) basis. 3. The contractor was requested
to reimburse the City for services rendered to analyze and review date related to the manufacture, straightening, and
picking of the precast girders in order to eliminate any subsequent failure of remaining girders.
TOTAL BUDGET FOR PRWECT: + 14,390,871.00 CONTINGENCY:
Less: Expend. & Encumb. To Date: - '14,075,931.64 AmountApproved byCouncil: + $1,004,604.60
Less: This Change Order Amount: - 236,230.98 Less: Prior Change Order(s): - $1,004,604.60
BALANCE OF BUDGET Less: This Change Order: -
REMAINING FOR PROJECT: 78,708.38 Balance Remaining of Contingency: $0.00
The amount of the Contract will be increased by the sum of: Two Hundred and Thirty-Six Thousand, Two
Hundred and Thirty Dollars and Ninety-Eight Cents ($236,230.98).
See reverse ...
Contract C22870B Change Order No. 9 Continued from front
This Change Order covers changes to the subject contract as described herein. The Contractor shall construct, furnish
equipment and materials, and perform all work as necessary or required to complete the Change Order items for a
lump sum price agreed upon between the Contractor and the City of Palm Desert, otherwise referred to as Owner.
Contract Time Extension: None.
Revised Contract Total: $11,316,765.98
The undersigned Contractor approves the foregoing Change Order# 9 as to the changes, if any, in the contract price
specified for each item including any and all supervision costs and other miscellaneous costs relating to the change in
work, and as to the extension of time allowed, if any, for completion of the entire work on account of said Change
Order # 9. The Contractor agrees to furnish all labor and materials and perform all other necessary work, inclusive of
that directly or indirectly related to the approved time extension, required to complete the Change Order items. This
document will become a supplement of the contract and all provisions will apply hereto. It is understood that the
Change Order shall be effective when approved by the Owner.
Execution of this Change Order by the Contractor constitutes a binding accord and satisfaction that fully satisfies,
waives, and releases the Owner from all claims, demands, costs, and liabilities, in contract, law or equity, arising out of
or related to the subject of the Change Order, whether known or unknown, including but not limited to direct and
indirect costs and/or damages for delay, disruption, acceleration, loss of productivity, and stacking of trades, as well as
any and all consequential damages.
This document will become a supplement to the Contract and all provisions will apply hereto, all items included above
must have required signatures as per the purchase resolution.
1. REQUESTED BY: 2. ACCEPTED BY:
DEPARTMENT HEAD CONTRACTOR Date Accepted
3. CERTIFIED
FUNDS AVAILABLE: 4. APPROVED BY:
FINANCE DIRECTOR JEAN M. BENSON, MAYOR Date Approved
NOTE: No payments will be made prior
to City Manager and Council approval CITY MANAGER Date Approved
See reverse ...
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PROJECT LOCATION - PORTOLA AVENUE 0 87.5 175 350 525 �oo
CROSSING AT WHITEWATER CHANNEL Feet