HomeMy WebLinkAboutItem 4.06 I-580SanRamonInterchg
CITY CLERK
File # D[6]DHð]-[3]5L
AGENDA STATEMENT
CITY COUNCIL MEETING DATE: November 16,2004
SUBJECT:
Acceptance of Work - Contract No. 03-11,
Interstate 580/San Ramon Road Interchange Improvement Project
Report Prepared by: Melissa Morton, Public Works Director
ATTACHMENT:
Contract Change Order 14, together with Change Order Summary
RECOMMENDATION:t7 A~ 1)
\V \1'" 2)
~
Approve Contract Change Order 14
Accept improvements under Contract No. 03-11, and
approve release of retention after 35 days if there are no
subcontractor claims
FINANCIAL STATEMENT:
DeSilva Gates Construction's total contract cost is $1,577,796 which
includes the cost increase of Contract Change Orders No. 1 through
No. 14, totaling $124,391 (see Change Order Summary). The
breakdown of project costs is shown as follows:
Budeet
Estimated Actual
TOTAL:
$ 1,725,728
$ 60,699
$ 525,724
$ 192,830
$ 5,511
$ 2,510,492
$ 1,715,778
$ 60,699
$ 525,724
$ 192,830
$ 5.511
$ 2,500,542
Construction
Salary/Benefits
Design/Contract Services
Construction Mgmt.
Miscellaneous
DESCRIPTION: In September 2003, the Dublin City Council awarded Contract No.
03-11, Interstate 580/San Ramon Road Interchange Improvement project, to DeSilva Gates Construction.
This interchange improvement project included the following improvements:
· Realignment of the westbound 1-580 off-ramp terminus to a tee intersection at San Ramon Road
and installation of a new traffic signal
· Removal of the westbound 1-580 to southbound San Ramon Road loop off-ramp
· San Ramon Road median Landscaping between the new tee intersection and Dublin Boulevard
· Asphalt overlay of San Ramon Road between the new tee intersection and Dublin Boulevard
...... ___... __ ____ """ __... _ ________... _ ________________ _ __ __ __.. _liIIIiIIII _ ________
g: \miscproj\I - 580SanRamon \Proj ect\agst_ accept
COPIES TO: DeSilva Gates Construction
I~Q. ITEMNO.~
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This project was constructed under budget at a total cost of$I,715,778, which includes 14 contract change
orders totaling $124,391 required to complete the project. Contract Change Order No. 14, which totals
$12,531.88 and is being presented for approval at this time in order to close out the project, consists of the
following miscellaneous work:
· Installation of additional delineators per Ca1trans' request
· Removal of cement treated base in the San Ramon Road median for installation of traffic signs
· Relocation of roadside signs per Caltrans' request
· Installation of conduit to protect flow sensor cable per manufacturer's recommendation
· Installation of chain link fence and gate around the newly installed PG&E meter per Caltrans'
request
· Removal of existing crosswalk striping and edge lines and installation of chevron stripes at various
locations, and
· Removal of additional quantity of asphalt concrete and cement treated base found in the field
during construction of the westbound off-ramp that were not shown on the contract plans.
Staff has notified Caltrans of the project completion, and the City has started maintaining the new
landscaping per agreement with Caltrans.
Staff recommends that the City Council approve Contract Change Order 14; accept the improvements
under Contract 03-11, and approve release of the retention after 35 days if there are no subcontractor
claims.
Page 2 "b a.-
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CITY OF DUBLIN IDb 1
CONTRACT CHANGE ORDER NO. 14
PROJECTIROAD:
CONTRACT NO.
Interstate 580 / San Ramon Road Interchange Improvements
City Project No. 03-11
PAGE lOF 3 PAGES
TO: DeSilva Gates Construction LP
You are hereby directed to make the herein described changes from the plans and specifications or do the following described work
not included in the plans and specifications on this contract. .
NOTE: This change order is not effective until approved by the Public Works Director.
Description of work to be done, estimate of quantities, and prices to be paid. Segregate between additîonal work at contract price,
agreed price and force account. Unless otherwise stated, rates for rental of equipment cover only such time as equipment is actually
used and no allowance will be made for idle time.
Change requested by: Engineer
The last percentage shown is the net accumulated increase or decrease from the original quantity in the Engineer's Estimate.
EXTRA WORK AT FORCE ACCOUNT:
Install five (5) flexible delineators at 7.62 meters (25 foot) on center for MBGR installations. Install flexible delineator (Type E) for
MBGR at approach to retaining wall no. 1 on the HN4M offramp from westbound 1-580 and flexible delineator (Type Y) for MBGR
on northbound San Ramon Road loop onramp to westbound 1-580 and as directed by the Engineer. Delineators shall conform to the
details shown per Standard Plan A 73C.
Force Account Cost
$55.36
Remove the cement treated base in the median for the installation of signs #23 & #27. The signs are located at MH station 349+80
and 347+70 respectfully.
Force Account Cost
$405.10
Relocate roadside signs # 28 "40 MPH" and # 24 "One Way" as marked in the field and directed by the Engineer. The relocation of
these two signs was requested by Caltrans during the Safety/Maintenance review.
Force Account Cost
$597.66
Install 700 LF of I" PVC conduit for co-axial flow sensor cable between the flow sensor and the irrigation controller. Conduit is
necessary to protect co-axial cable as per the irrigation controller manufacturer's recommendations.
Force Account Cost
$2,397.78
Install 8 +/- meters of chain-link fence Type 1.8 and a .67 meter (2.5') wide gate at the existing chain link Right-of-Way fence along
the southbound San Ramon Road· onramp to westbound 1-580 at Donlan Way as shown on sheet three of this change order. The
fence and gate shall be constructed per sheet A85 of the Standard Plans.
Force Account Cost
$2,355.98
ADJUSTMENT OF COMPENSATION AT LUMP SUM:
Delete twelve (12) 5 gallon Lagerstroemia 'Petite Embers' at the lattice rail and pilaster in the median of San Ramon Road. For this
work the contractor shall provide a lump sum credit of $20.00 per plant for a total credit of $240.00. This amount constitutes full
compensation, including markups, for this change.
Agreed Lump Sum Price
-$240.00
Construct the seven (7) pilasters in the median of San Ramon Road using reinforced cast-in-place concrete in lieu of cement masonry
units as shown on the Pilaster Section detail A / C-4 on plan sheet C-4. The vertical rebar shown on detail A / C-4 on plan sheet C-4
shall be dowelled into the cement treated base section of the existing roadway in lieu of a concrete footing. For this change the
contractor shall provide the City a lump sum credit of $500.00. This amount constitutes full compensation, including markups, for
this change.
Agreed Lump Sum Price -'$500.00 H- ~ -0 +
~hMe¥\t I .J"
CONTRACT CHANGE ORDER NO. 14
~~l
PAGE 2 OF 3 PAGES
CONTRACT NO. 03-11
PROJECTIROAD: San Ramon Road Interchange Improvement Project
To: DeSilva Gates
Replace red arrow LED traffic signal module with red ball LED traffic signal module on traffic signal pole E as per Detail 'A' on
sheet E-4 of the contract plans. Delete the installation of the two (2) internally illuminated street name signs on poles A and D. The
two internally illuminated street name signs shall be delivered to the City of Dublin's construction trailer at Northside Drive and shall
become the property of the City. For these changes, the contractor will be paid the agreed lump sum price of $0.00. This amount
constitutes full compensation, including markups, for this change.
Agreed Lump Sum Price
$0.00
Remove existing crosswalk striping at the northbound San Ramon Road on ramp to westbound 1"580 at HM Station 349 + 50.
Remove existing edge line stripes and insta1l300mm (12") chevron stripes at 6 meters (19.7') on center west of southbound San
Ramon Road HM Station 349+24 to 349+63, north of the loop on ramp to westbound 1-580 B8M Station 43+20 to 43+80 and south
ofIoop on ramp to westbound 1·580 B8M Station 43+50 to 43+95 as shown on sheet 3 of this change order. For this work the
contractor will be paid the agreed lump sum price of$2,760.00. This amount constitutes full compensation, including markups, for
this change.
Agreed Lump Sum Price
$2,760.00
ADJUSTMENT OF COMPENSATION AT LUMP SUM:
Provide for compensation for the removal of the additional quantity of the existing roadway section encountered during the
obliteration of the existing offramp at HN4M line Sta 250+40 to Sta 253+ 16.8. The additional volume of material removed was due
to the increased thickness of the existing Asphalt Concrete and Concrete Treated Base section than was shown to be on the contract
plans. For this work the contractor will be paid the agreed lump sum price of $4,700.00. This amount constitutes full compensation,
including markups for this change.
Agreed Lump Sum Price
$4,700.00
Total Cost Increase
$12,531.88
BY REASON OF THIS ORDER, THE TIME OF COMPLETION WILL BE ADJUSTED
o WORKING DAYS
APPROVED BY:
Richard Ambrose Date
City Manager
We, the undersigned contractor, have given careful consideration to the change proposed and hereby agree, if this proposal is
approved, that we will provide all equipment, furnish all materials, except as may otherwise be noted above, and perform all services
necessary for the work above specified, and will accept as full payment therefor the prices shown above.
Title: COt"/'5 ~r ",(.J,,=,",, fiQ 1"1 Q d f....
Contractor does not sign acceptance of this order, his attention is directed to the requirements of the specifications as to
proceeding with the ordered work and filing a written protest within the time therein specified.
I
/2004
Contractor:
DeSilva Gates Construction LP
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City of Dublin Contract No. 03-11
I-S8G/San Ramon Road Interchange
Change Order No. \ L\.
Sheet ~ of ~
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CHANGE ORDER SUMMARY
DATE: November 1, 2004
PROJECT NAME:
1-580/San Ramon Road Interchange Improvement
Pro'ect
96380
03-11
De Silva Gates Construction
100%
$1,355,555.00
$195,209.00
$116,381.00
$58,583.00
$1,725,728
CIP#:
CONTRACT NO:
CONTRACTOR:
PERCENT COMPLETED:
ORIGINAL BID PRICE:
Contingency:
Supplemental Items:
Additional Funding (approv. 9/7/04)
Approved Construction Budget:
CHANGE ORDERS SUMMARY:
ESTIMATED FINAL
CHANGE ORDER #1 $500.00 $500.00
CHANGE ORDER #2 $4,140.00 $4,140.00
CHANGE ORDER #3 $2,202.44 $2,202.44
CHANGE ORDER #4 $4,000.00 $5,981.09
CHANGE ORDER #5 $1,787.55 $1,787.55
CHANGE ORDER #6 ($5,000.00) ($5,000,00)
CHANGE ORDER #7 $10,500.00 $10,500,00
CHANGE ORDER #8 $5,139.77 $5,139.77
CHANGE ORDER #9 $17,433.00 $10,921.75
CHANGE ORDER #10 $13,310.00 $13,310.00
CHANGE ORDER #11 $39,912.82 $37,339.45
CHANGE ORDER #12 $7,580.00 $6,037.17
CHANGE ORDER #13 $19,000.00 $19,000.00
CHANGE ORDER #14 $12,531.88 $12,531.88
TOTAL OF CHANGE ORDERS: $133,037.46 $124,391.10
Original Contract Amount:
$1,355,555.00
Bid Item Overrun (See Exhibit 1):
$97,849.66
TOTAL CONTRACT COST:
$1,577,795.76
Construction Supplemental Items:
PG&E relocation:
DSRSD/Zone 7 Connection Fee:
CHP-COZEEP: .
PG&E connection fees:
Miscellaneous:
Subtotal: Supplemental Items
CONSTRUCTION COST ESTIMATED ACTUAL:
BUDGET:
BALANCE:
Deduction:
Missing Labor Compliance Submittals:
(Deduction to be released upon submittal of required documents)
PROGRESS PAYMENTS MADE:
PAYMENT #1
PAYMENT #2
PAYMENT #3
PAYMENT #4
PAYMENT #5
PAYMENT #6
PAYMENT #7
PAYMENT #8
PAYMENT #9
PAYMENT #10
TOTAL PROGRESS PAYMENTS:
·1 REMAINING BALANCE:
$42,070.00
$205,755.00
$133,078.30
$182,314.58
$133,275.45
$551,750.07
$158,842.84
$59,641.95
$24,237.32
$68,663.34
$1,559,628.85
$18,166.91
RECOMMENDATION SIGNATURES:
APPROVED
DENIED
APPROVED
DENIED
G:\Miscproj\I-580-San Ramon Road\Constructlon\CCO Summary-Final
$51,221.77
$63,230.00
$5,493.67
$16,258.94
$1,777.72
$137,982.10
$1,715,777.86
$1,725,728.00
$9,950.14
$10,000.00
APPROVED
DENIED
Ma or
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