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CITY OF SAN BERNARDINO - REQUEST FOR COUNCIL ACTION
Date: April 18, 2002
Ci-:::".:;',L
Subject: Authorization to execute Change
Order No. One to contract with Silvia
Construction, Inc. per Plan No. 10240
extending the limits of the pavement
rehabilitation on 40th Street to include the
reach from east of Sierra Way to Electric
Avenue.
From: James Funk, Director
Dept: Development Services
File: 1.7212
MCC Date: 05/06/02
Synopsis of Previous Council Action:
07/09/01 Allocation of $315,900 in the 2001/02 Capital Improvement Program (CIP) for 40th
Street pavement rehabilitation from East of Sierra Way to Waterman Avenue in
Account No's. 129-367-5504-7212 ($155,900) and 135-378-5504-7212 ($160,000).
02/19/02 Adopted Reso. No. 2002-50 awarding contract to Silvia Construction, Inc. in the
amount of $127,718.75 for pavement rehabilitation on 40th Street from east of Sierra
Way to Waterman Avenue per Plan No. 10240.
Recommended Motion:
Authorize the execution of Change Order No. One in the amount of $97,319.00 to the contract
with Silvia Construction, Inc. extending the limits of the pavement rehabilitation on 40th Street
to include the reach from east of Sierra Way to Electric Avenue.
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. James Funk
Contact person:
Michael Grubbs, Field Engineer
Phone:
5179
Supporting data attached: Staff Report, Map & CCO #1
Ward(s):
4
FUNDING REQUIREMENTS: Amount:
$97,319.00
Source: 135-378-5504-7212 & 129-367-5504-7212
Acct. Description: 40ili Street Pavement Rehab from Electric
Ave. to w~ Ave.
Finance:~~~ Z
Council Notes:
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Agenda Item No. /5
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CITY OF SAN BERNARDINO - REQUEST FOR COUNCIL ACTION
Staff Report
Subject:
Authorization to execute Change Order No. One to contract with Silvia Construction, Inc. per
Plan No. 10240 extending the limits of the pavement rehabilitation on 40th Street to include the
reach from east of Sierra Way to Electric Avenue.
Backl:round:
Bids for rehabilitation of the pavement on 40th Street from east of Sierra Way to Waterman
Avenue were received on January 22,2002, and a contract in the amount of $127,718.75 was
awarded to the lowest bidder, Silvia Construction, Inc., on February 19, 2002.
The budgeted limits of this rehabilitation project on 40th Street was originally established as
Electric Avenue to Waterman Avenue; however, due to increases in paving material prices
prior to receiving bids, there did not appear to be sufficient funds in the budget to complete the
entire reach. Therefore, the decision was made to downsize the project to include only the
reach from east of Sierra Way to Waterman Avenue.
Excellent bids were received which were significantly below the Engineer's Estimate and it
became apparent that sufficient funding would be available to complete the project as originally
planned from Electric Avenue to Waterman Avenue.
The reach of 40th Street from Electric A venue to east of Sierra Way is in need of rehabilitation
and economy of scale can be realized by allowing Silvia Construction, Inc. to complete the
work under the current contract rather than rebidding it as a separate project. The original
project consisted of 11,100 square yards of pavement rehabilitation and this change order adds
an additional 8,000 square yards ofrehabilitation for a total rehabilitated area of 19,100 square
yards. The original unit cost for this work based on 11,100 square yards is $11. 52 per square
yard. The additional 8,000 square yards authorized by this change order is being obtained at a
unit cost of $9.66 per square yard indicating a significant savings based on the scale of the total
project. We do not believe that rebidding the project will produce better prices.
The extension of the limits of the project will result in an increase of $77,319.00 in the
contract amount. Details of the changes are shown in the attached Contract Change Order No.
One, Items 1 through 4.
In addition, staff is recommending some additional milling and re-profiling be accomplished in
the intersection of 40th and Sierra Way to improve the ride somewhat, while still maintaining
the current drainage characteristics of the intersection. Without the underground drainage
improvements that will ultimately be needed here, dramatic surface improvements cannot be
made to the intersection, but the recommended improvements will be of some benefit. The
estimated cost of these interim improvements, as indicated in the attached Change Order No.
CITY OF SAN BERNARDINO - REQUEST FOR COUNCIL ACTION
Staff Report - continued
One, Item 5, is $20,000.00, which is included in Change Order No. One, making the total
change order amount $97,319.00.
Other more comprehensive alternatives were discussed with the Contractor incorporating a
total reconstruction of the intersection with and without box culvert crossings, but those
solutions were estimated by the Contractor to cost over $90,000 and are, therefore, not being
recommended at this time. The changes to the work contemplated by this Change Order exceed
25 % of the original contract amount. Under the provisions of Section 3-2.1 "Changes Initiated
by the Agency" of the Standard Specifications, where changes to the Contract exceed 25% and
both the Contractor and Agency agree, the change can be accomplished by Change Order.
The Contractor has agreed to perform this additional work immediately upon approval of the
attached Change Order.
Financial Impact:
Sufficient funds are available in Account No. 's 135-368-5504-7212 ($157,164) and 129-367-
5504-7212 ($25,940) (40'h Street pavement rehabilitation from Electric Avenue to Waterman
Avenue).
Recommendation:
Authorize the execution of Change Order No. One in the amount of $97,319.00 to the contract
with Silvia Construction, Inc. extending the limits of the pavement rehabilitation on 40th Street
to include the reach from Electric A venue to east of Sierra Way.
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Lity of San Bemardzno, California
Department of Public Works, Division of Engineering
January 24, 2002
File No. 1.7212
W.O. No. 7212
DWG. No. 10240
VICINITY MAP
For
40TH STREET REHABILITATION
&
IMPROVEMENTS - ELECTRIC AVE
TO WATERMAN A VE
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. VICINITY MAP
N.T.S.
DEVEWPMENT SERVICES DEPARTMENT
300 North "D" Street. San Bernardino' CA 92418-000 I
Planning & Building 909.384.5057 . Fax: 909.384.5080
Public WorksIEngineering 909.384.5111 . Fax: 909.384.5155
www.ci.san-bernardino.ca.us
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CONTRACT CHANGE ORDER NO. ONE
FILE NO. 1.7212
DATE: APRIL 15, 2002
PROJECT: PAVEMENT REHABILITATION ON 40TH STREET FROM EAST OF SIERRA
WAY TO WATERMAN AVENUE PER PLAN NO.I0240.
TO: SILVIA CONSTRUCTION, INC.
9007 Center Avenue
Rancho Cucamonga, CA 91730-5311
GENTLEMEN:
You are hereby compensated for performing the additional work as follows:
ITEM DescriDtion of Chanl!e Cost
Increase quantity of Bid Item No.3 "Asphalt Rubber Hot Mix-Gap
Graded (ARHM-GG), including Crack Sealing, and Adjusting
1 Manhole Frames and Water Valve Covers to Grade" by 1,037 tons at $59,109.00
a unit price of $57.00 per ton for a total cost increase of $59,109.00
for the naving of 40'" Street from Electric Avenue to Sierra Way.
Increase quantity of Bid Item No.4 "Cold Milling, including Removal
2 over Existing Gutter" by 8,000 Square Yards at a unit price of $1.00 $8,000.00
per S. Y. for a total increase of $8,000.00 for the cold milling of 40'"
Street from Electric A venue to Sierra Wav.
Cost savings in Bid Item No. 4 "Cold Milling, including Removal
over Existing Gutter" due to reduction in unit price to $1.00 per S.Y.
2a for the original bid quantity of cold milling of 40'" Street from east of -$1,110.00
Sierra Way to Waterman Avenue. Net Reduction: ($1.10 - $1.(0) x
11,100 S.Y. = $1,110.00
Increase the cost of Bid Item No. 7 "Install Thermoplastic Traffic
Stripes, Pavement Markings and Raised Pavement Markers" by a
3 lump amount of $3,670.00 for reinstallation of striping, pavement $3,670.00
markings and raised pavement markers on 40'" Street between Electric
Avenue and Sierra Way.
Increase quantity of Bid Item No 8 "Install Traffic Detector Loops,
including Conduits, Pull Boxes and Conductors" by 34 loops at a unit
4 price of $225.00 each for a total cost increase of $7,650.00 for $7,650.00
replacement of loop detectors on 40'" Street between Electric Avenue
and Sierra Way.
Additional cold milling and re-profiling of the intersection of 40'" $20,000.00
5 Street and Sierra Way, as directed by the Engineer, to improve ride (Max.)
(Jualitv of the intersection for traffic on 40'" Street.
Contract Change Order No. One
Pavement Rehabilitation on 40th Street from east of Sierra Way to Waterman Avenue.
Page 2 00
GRAND TOTAL TIDS CHANGE ORDER I $97,319.00 I
JUSTIFICATION:
Items 1 through 4:
The original scope of this project was the rehabilitation of 40th Street from Electric A venue to
Waterman Avenue, however, the project was scaled down due to an anticipated budget shortfall. Due
to receipt of favorable bids, Staff is recommending that pavement rehabilitation of the reach of 40th
Street from Electric A venue to east of Sierra Way be added back into the project. The City can gain an
economy of scale by including this work in the current project rather than rebidding the work as a
separate project.
Item 5:
Complaints have been received that the ride on 40th Street through the intersection at Sierra Way is
excessively rough. Staff reviewed the intersection design and found that Sierra Way was designed with
deep north-south gutters in order to carry heavy run-off from mountains and adjacent developed
property. We are proposing some modifications to improve the riding quality of the street without
impairing the capacity of Sierra Way to carry storm flows. The proposed changes include:
1. Full width grind 0.40' on Sierra Way in the. middle of the intersection and re-pave with 0.12' AC
pavement. This work will lower the center of the intersection by approximately 0.30'. A sewer
manhole will also have to be adjusted to grade, the traffic signal loops north and south of the
intersection re-cut, and the intersection re-striped. Transitions will be provided north and south of
the intersection so as to maintain a smooth ride on Sierra Way through the intersection.
We feel this work will improve the ride quality for standard vehicles that have not had their clearance
modified from factory specifications.
In the future, when a storm drain is constructed at this location, the cross gutters can be substantially
reduced in depth and the road re-profiled for a smooth ride.
SUMMARY OF CONTRACT COSTS
The estimated revised contract cost is as follows:
Original Bid Amount ...................................................................... $127,718.25
Increase due to CCO#I - ................................................................ $ 97,319.00
Revised Contract Amount .............................................................. $225,037.25
Additional time to complete Contract due to this Change Order............... 15 Working Days
This change order represents 76.2% of the original contract amount which exceeds the contingency
amount approved as part of the contract award by the Mayor and Common council at their regular
meeting of February 19, 2002. Sufficient funds are available in the project account to fund this Change
Order.
2
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Contract Change Order No. One
Pavement Rehabilitation on 40th Street from east of Sierra Way to Waterman Avenue.
Page 3 of 3
The changes to the work contemplated by this Change Order exceed 25 % of the original contract
amount. Under the provisions of Section 3-2.1 "Changes Initiated by the Agency" of the Standard
Specifications, where the modifications to the Contract exceed 25 % and both the Contractor and
Agency agree, the change can be accomplished by Change Order. The signatures of the Contractor and
the Agency hereon signify such agreement.
SILVA CONSTRUCTION, INC,
CITY OF SAN BERNARDINO
DEVELOPMENT SERVICES
Approved:
Accepted
By:
By:
Title:
James Funk
Director. of Development Services.
Date:
Date:
Approved by Mayor and Common Council
Date: May 6, 2002
Item No. 15
3