North Fork Catfish Creek Stormwater_Sanitary Sewer Phase III AwardTHE CITY OF ~UbUgU@
DT T~ ~ All•AmericaCity
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Masterpiece on the Mississippi
200
TO: The Honorable Mayor and City Council Members
FROM: Michael C. Van Milligen, City Manager
SUBJECT: North Fork Catfish Creek Stormwater and Sanitary Sewer Improvements
Project -Phase III
CIPs 7101802, 7102178, 7201662, 7201807, 7201911 & 7202018
DATE: December 9, 2009
Sealed bids were received for the North Fork Catfish Creek Stormwater and Sanitary
Sewer Improvements Project -Phase III. City Engineer Gus Psihoyos recommends
award of the contract to the low bidder, Portzen Construction, for a base bid in the
amount of $1,559,621.25, which is 7.03% under the revised cost estimate of
$1,677,571.30. It is further recommended that Alternate Al be included for an
additional cost of $27,459.00, making the total bid award $1,587,080.25. Alternate Al
consists of additional costs associated with upsizing the proposed 18-inch diameter pipe
to 24-inch diameter pipe from Key Way Drive a distance of 1,200 feet to the west.
Rejecting the initial October bids and working with the contractors through a value
engineering process has resulted in a cost savings to the City of $420;725.18, and with
the relatively small cost to upsize 1,200 feet of the sewer from 18-inch to 24-inch
diameter pipe, the net cost savings is still $393,266.07.
concur with the recommendation and respectfully request Mayor and City Council
approval.
Mic ael C. Van Milligen
MCVM:jh
Attachment
cc: Barry Lindahl, City Attorney
Cindy Steinhauser, Assistant City Manager
Gus Psihoyos, City Engineer
Dubuque
THE CITY OF
DT T~ ~ 11•AmedcaCllY
Master iece on the Mississi ~ MEMORANDUM I fall
P PP
200
TO: Michael C. Van Milligen, City Manager
FROM: Gus Psihoyos, City Engineer ,(
DATE: December 10, 2009
SUBJECT: North Fork Catfish Creek Stormwater and Sanitary Sewer Improvements
Project -Phase III
CIPs 7101802, 7102178, 7201662, 7201807, 7201911, & 7202018
INTRODUCTION
The enclosed resolution authorizes the award of the construction contract for the North
Fork Catfish Creek Stormwater and Sanitary Sewer Improvements Project -Phase III.
BACKGROUND
Phase III of the North Fork Catfish Creek Stormwater and Sanitary Sewer
Improvements Project involves the replacement of just over 4,700 feet of 12-inch
diameter clay sanitary sewer from Keystone Drive to the Northwest Arterial (IA32) with
600 feet of 24-inch diameter and 4,130 feet of 18-inch diameter ductile iron sanitary
sewer.
Phase III also includes stormwater management improvements outlined in the Drainage
Basin Master Plan: replacement of the Key Way culverts (CIP 7201662), an additional
culvert at Rosemont Street (CIP 7201911) and creek improvements to improve flow and
stabilize the creek banks from Key Way to the Northwest Arterial (CIP 7201807 &CIP
7202018).
Sealed bids were received on the project on October 22, 2009. Portzen Construction of
Dubuque, Iowa, submitted the low bid in the amount of $1,997,396.75. This amount
was 32.5% over the estimate of probable cost. In November the City Council rejected
the bids received on October 22, 2009.
Following the rejection of the bids, the Engineering Department facilitated a value
engineering effort with the help of local contractors. Two main issues were addressed.
First, the turf reinforcement matting was redesigned so that the use of high-end
materials was limited to the area expected to experience high water velocities and
higher depths. Areas with slower velocities and shallower depths will be protected with
the appropriate, less-expensive matting. The installation detail for the matting was
provided in more detail. In addition, apre-bid meeting was convened to ensure that
potential contractors understood the effort required to install the matting. Secondly, the
alignment of the proposed sewer was adjusted where appropriate to avoid utility
conflicts.
BID RESULTS
Sealed bids were received on the project on November 8, 2009. Portzen Construction,
Inc. of Dubuque, Iowa submitted the low bid in the amount of $1,559,621.25. This
amount is 7.03% under the revised cost estimate of $1,677,571.30.
Two alternates were included with the bid. Alternate Al consists of the additional cost
associated with upsizing the proposed 18-inch diameter pipe to 24-inch diameter pipe
from Key Way Drive a distance of 1,200 feet to the west. Alternate A2 represents an
alternative culvert design under Key Way Drive. A summary of the bid proposals
received is as follows:
Contractor Name Base Bid Alternate Al Alternate A2
Portzen Construction, Inc. $1,559,621.25 $27,459.00 $163,101.00
Top Grade Excavating $1,563,353.78 $24,050.95 $180,064.90
Tschiggfrie Excavating Co. $1,574,709.19 $42,453.00 $201,728.00
Connolly Construction, Inc. $1,577,128.58 $44,195.20 $175,794.46
Based on the bid price, I recommend upsizing the proposed sewer from an 18-inch
diameter pipe to a 24-inch diameter pipe. I further recommend that the City award the
contract with the Key Way Drive culvert included with the base bid and not the one bid
as Alternative A2. The base bid with Alternate Al is as follows:
Contractor Name Base Bid Alternate Al Total Bid
Portzen Construction, Inc. $1,559,621.25 $27,459.00 $1,587,080.25
Top Grade Excavating $1,563,353.78 $24,050.95 $1,587,404.73
Tschiggfrie Excavating Co. $1,574,709.19 $42,453.00 $1,617,162.19
Connolly Construction, Inc. $1,577,128.58 $44,195.20 $1,621,323.78
Based on the base bid and Alternate A1, the low bidder remains Portzen Construction.
The updated estimate of probable costs for the North Fork Catfish Creek Stormwater
and Sanitary Sewer Improvements Project -Phase III is as follows:
Rejected Bids
Construction Contract
Contingency
Engineering
Total Project Cost
with Alternate Al
$1, 997, 396.75
150,706.50
237,100.00
$2,385,203.25
Revised
Cost Estimate
$1,677,571.50
167,756.93
237,100.00
$2,082,428.43
Bid Award'
$1,587,080.25
167, 756.93
237,100.00
$1,991,937.18
Rejecting the initial October bids and working with the contractors through a value
engineering process has resulted in a cost savings to the City of $420,725.18. And with
the relatively small cost to upsize 1,200 feet of the sewer from 18-inch to 24-inch
diameter pipe, the net cost savings is still $393,266.07.
BUDGET IMPACT
The North Fork Catfish Creek Stormwater and Sanitary Sewer Improvements Project -
Phase III is eligible for the FEMA Hazard Mitigation Grant Program funds. Per the grant
award agreement, 85% of the construction and engineering services costs associated
with the replacement of the sanitary sewer are eligible for the grant funding.
The approximate federal, state, and City share of the project cost is $199,073.25,
$26,543.10, and $1,766,320.83 respectively as outlined in Table 1. The City intends to
borrow the $1,766,320.83 through the State Revolving Fund (SRF) loan program. The
project also qualified for ARRA stimulus funding. As a result, the state will forgive 20%
of the City's loan through the SRF program. This will be approximately $270,579.37.
This is also reflected in Table 1. The City's total project cost for Phase III is estimated to
be $1,495,741.46.
Table 1. North Fork Catfish Creek Storm & Sanitary Phase III Funding Source Breakdown
Federal Share State Share
PHASE III (FEMA) (HSEM) City Share
Design Engineering -Sanitary $ 35,500.00 $ - $ - $ 35,500.00
Design Engineering -Storm $ 125,000.00 $ - $ - $ 125,000.00
Construction, Sanitary (FEMA-ELIGIBLE) $ 265,431.00 $ 199,073.25 $ 26,543.10 $ 39,814.65
Construction, Sanitary (NON-FEMA ELIGIBLE) $ 579,174.00 $ - $ - $ 326,250.00
Construction, Stormwater (NON-FEMA ELIGIBLE) $ 742,475.25 $ - $ - $ 742,475.25
Contingency-Sanitary $ 81,886.30 $ - $ - $ 81,886.30
Contingency -Storm $ 85,870.63 $ - $ - $ 85,870.63
Construction Engineering -Sanitary $ 25,000.00 $ - $ - $ 25,000.00
Construction Engineering -Storm $ 51,600.00 $ - $ - $ 51,600.00
TOTAL $ 1,991,937.18 $ 199,073.25 $ 26,543.10 $ 1,766,320.83
SRF Design Loan Amount $ 160,500.00
SRF Con stru ction Loan Amount -Sanitary $ 472,950.95
SRF Const ruction Loan Amount -Storm $ 879,945.88
SRF Construction Loan Amount -Forgivable Loan Portion (Stimulus) $ 270,579.37
TOTAL CITY PROJECT COST $ 1,495,741.46
RECOMMENDATION
recommend that the contract be awarded to Portzen Construction, Inc. in the amount
of $1, 587, 080.25.
ACTION TO BE TAKEN
I respectfully request adoption of the attached resolution awarding the North Fork
Catfish Creek Stormwater and Sanitary Sewer Improvements Project -Phase III to
Portzen Construction, Inc. in the amount of $1,587,080.25.
Prepared by Deron Muehring, Civil Engineer II
cc: Barry Lindahl, City Attorney
Jenny Larson, Budget Director
Ken TeKippe, Finance Director
Don Vogt, Public Works Director
Deron Muehring, Civil Engineer II
RESOLUTION NO. 463-09
AWARDING PUBLIC IMPROVEMENT CONTRACT FOR THE NORTH FORK
CATFISH CREEK STORMWATER AND SANITARY SEWER IMPROVEMENTS
PROJECT -PHASE III
Whereas, sealed proposals have been submitted by contractors for the North
Fork Catfish Creek Stormwater and Sanitary Sewer Improvements Project -Phase III
(the Project) pursuant to Resolution No. 443-09 and Notice to Bidders published in a
newspaper published in the City of Dubuque, Iowa on the 20t" day of November, 2009.
Whereas, said sealed proposals were opened and read on the 8t" day of
December, 2009, and it has been determined that Portzen Construction, Inc. of
Dubuque, Iowa, with a bid in the amount of $1,587,080.25, is the lowest responsive,
responsible bidder for the Project.
NOW THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY
OF DUBUQUE, IOWA:
That a Public Improvement Contract for the Project is hereby awarded to Portzen
Construction, Inc. and the City Manager is hereby directed to execute a Public
Improvement Contract on behalf of the City of Dubuque for the Project.
Passed, approved and adopted this loth
day of December , 2009.
Roy D. uol, Mayor
Attest:
~~
eanne F. Schneider, CMC, City Clerk
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