North Schmitt Island Collection System Project - Contract #1: Award Public Improvement ContractCity of Dubuque
City Council
ACTION ITEMS # 3.
Copyrighted
August 18, 2025
ITEM TITLE: North Schmitt Island Collection System Project - Contract #1:
Award Public Improvement Contract
SUMMARY: City Manager recommending City Council award the public
improvement contract for the North Schmitt Island Collection
System Project — Contract #1 Project to Tschiggfrie
Excavating of Dubuque, Iowa in the amount of $248,560.00.
RESOLUTION Awarding Public Improvement Contract For
The North Schmitt Island Collection System Project —
Contract #1 Project
SUGGUESTED Receive and File; Adopt Resolution(s)
DISPOSITION:
ATTACHMENTS:
1. MVM Memo
2. 2025-08-12_SchmittlslandSan-Contract1-AwardMemo
3. SchmittlslandSan-Contract1 - Council Award Resolution
4. North Schmitt Sanitary - Bid Tab
Page 440 of 579
THE CITY OF
DUBE
Masterpiece on the Mississippi
TO: The Honorable Mayor and City Council Members
FROM: Michael C. Van Milligen, City Manager
SUBJECT: North Schmitt Island Collection System Project — Contract #1
Award Public Improvement Contract
Project No. 5581500049
DATE: August 12, 2025
Dubuque
AI WIN av
2007-2012.2013
2017*2019
City Engineer Gus Psihoyos is recommending City Council award the public
improvement contract for the North Schmitt Island Collection System Project — Contract
#1 Project to Tschiggfrie Excavating of Dubuque, Iowa in the amount of $248,560.00.
The bid amount is 9.65% above the engineer's estimate.
The small portion of sewer replacements will be bid as North Schmitt Island Collection
System Project — Contract #1. This project provides for the installation of approximately
200 LF of sanitary sewer, in the area located immediately adjacent to the Key Hotel
Expansion Project on the north half of Chaplain Schmitt Island. The contractor will be
awarded an incentive of $1,000 per calendar day for each day the project is completed
before the Final Completion Date of October 1, 2025, up to a maximum of 15 days
(September 16, 2025) or $15,000. Additionally, for each calendar day that any work
remains uncompleted beyond the Final Completion date the contractor will be assessed
and shall pay, $800 per calendar day, not as a penalty but as predetermined and
Agreed Cost of Delay until Final Completion requirements are met.
I concur with the recommendation and respectfully request Mayor and City Council
approval.
v
Mic ael C. Van Milligen
MCVM:sv
Attachment
cc: Crenna Brumwell, City Attorney
Cori Burbach, Assistant City Manager
Gus Psihoyos, City Engineer
Page 441 of 579
THE CITY OF
DUB E
Masterpiece on the Mississippi
TO: Michael C. Van Milligen, City Manager
FROM: Gus Psihoyos, City Engineer
DATE: August 12, 2025
SUBJECT: North Schmitt Island Collection System Project — Contract #1
Award Public Improvement Contract
Project No. 5581500049
Dubuque
All•Ameft Qly
11�i KVr\l_1 nF_ IIAt'
2007-2012-2013
2017*2019
INTRODUCTION
The attached resolution authorizes the award of the public improvement contract for the
North Schmitt Island Collection System Project — Contract #1 Project.
BACKGROUND
The small portion of sewer replacements adjacent to the Key Hotel Expansion Project
will be bid as North Schmitt Island Collection System Project — Contract #1. This project
provides for the installation of approximately 200 LF of sanitary sewer, in the area
located immediately adjacent to the Key Hotel Expansion Project on the north half of
Chaplain Schmitt Island. The contractor will be awarded an incentive of $1,000 per
calendar day for each day the project is completed before the Final Completion Date of
October 1, 2025 up to a maximum of 15 days (September 16, 2025) or $15,000. The
project was initiated by City Council on July 21, 2025. The project was publicly
advertised for bids July 25, 2025. There was a Public Hearing held during the August 4,
2025 City Council hearing.
BID RESULTS
The City received sealed bids on August 7, 2025 for the North Schmitt Island Collection
System Project — Contract #1 Project. Tschiggfrie Excavating of Dubuque, Iowa
submitted the low bid in the amount of $248,560.00. A summary of the bid proposals
received is as follows:
Contractor Name
Total
Bid Amount
Tschiggfrie Excavating
$248,560.00
Eastern Iowa Excavating & Concrete, LLC
$255,019.25
Page 442 of 579
RECOMMENDATION
I recommend awarding the public improvement contract for the North Schmitt Island
Collection System Project — Contract #1 Project to Tschiggfrie Excavating of Dubuque,
Iowa in the amount of $248,560.00. The bid amount is 9.65% above the engineer's
estimate.
BUDGETIMPACT
The estimate of probable cost and the for the North Schmitt Island Collection System
Project — Contract #1 is summarized as follows:
Description
Estimate
Award
Construction
$ 226,685.00
$ 248,560.00
Contingency 10%
$ 22,668.50
$ 24,856.00
Engineering Inspection Fees 5%
$ 11,334.25
$ 12,428.00
Total Project Cost
$ 260,687.75
$ 285,574.00
The construction of the North Schmitt Island Collection System Project — Contract #1
will be covered by the funding sources as described below:
North Schmitt Island Collection System Project — Contract
#1 Funding
5581500049
Schmitt Island Sanitary Improvement
$ 2,640,000.00
(sanitary sewer construction funds)
Total Project Funding
2,640,000.00
ACTION TO BE TAKEN
The City Council is requested to award the public improvement contract for the North
Schmitt Island Collection System Project — Contract #1 Project to Tschiggfrie
Excavating of Dubuque, Iowa in the amount of $248,560.00, through the adoption of the
attached resolution.
Prepared by Maxwell O'Brien, Civil Engineer
cc: Jenny Larson, Chief Financial Officer
Laura Bendorf, Budget Manager
2
Page 443 of 579
Prepared by Kerry Bradley City of Dubuque Engineering 50 W. 13th St Dubuque IA 52001 (563)589-4270
Return to Adrienne N. Breitfelder City Clerk City of Dubuque, 50 W. 13th St. Dubuque, IA 52001 (563)589-4100
RESOLUTION NO. 275-25
AWARDING PUBLIC IMPROVEMENT CONTRACT FOR THE NORTH SCHMITT
ISLAND COLLECTION SYSTEM PROJECT — CONTRACT #1 PROJECT
Whereas, sealed proposals have been submitted by contractors for the North
Schmitt Island Collection System Project — Contract #1 Project, (the Project) pursuant to
Resolution No. 248-25 and Notice to Bidders published on the City of Dubuque, Iowa
website and plan room service with statewide circulation on the 25th day of July 2025; and
Whereas, said sealed proposals were opened and read on the 71h day of August
2025 and it has been determined that Tschiggfrie Excavating of Dubuque, Iowa, in the
bid amount of $248,560.00, 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
Tschiggfrie Excavating 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 18th day of August 2025.
Aftesst:
Adrienne Breitfelder, CMt City Clerk
rad M. Cavanagh, Mayor
THE CTT OF
DUB E
Masterpiece on the Mississippi
City of Dubuque, Iowa
Bid Tabulation
Project Title: Schmidtt Island Sanitary Improvement Bid Date Engineer's Estimate Tschiggfrie Ex Eastern Iowa Excavating
7-Aug-25
gTOTANI OE R NUMBER E BID ITEM DESCRIPTION QUANTITY UNLAN IT ESTIMPRICD UNIT
L PRICE UNIT PRICE TOTAL PRICE UNI BPRICE TOTAL PRICE
Division 2010 - Earthwork, Subgrade, and Subbase
1 2010-108-F-0 Below Grade Excavation (Core Out) by TON 220 TON $ 30.00 $ 6,600.00 $ 45.00 $ 9,900.00 $ 20.25 $ 4,455.00
2 2010-108-J-0 Subbase, Modified Subbase - Gr 14 (Modified Subbase Pile) 225 TON $ 25.00 $ 5,625.00 $ 25.00 $ 5,625.00 $ 27.85 $ 6,266.25
Sub Total $ 12,225.00 Sub Total $ 15,525.00 Sub Total $ 10,721.25
Division 3010 -Trench Excavation and Backfill
3
3010-108-A-4
Class I, Bedding Material, 1" Commercial Clean Stone
150
TON
$
25.00
$
3,750.00
$ 28.00
$
4,200.00
4
3010-108-C-0
Trench Foundation - 3" Breaker Run, (Modified Macadam Pile)
220
TON
$
25.00
$
5,500.00
$ 26.00
$
5,720.00
5
3010-108-D-0
Replacement of Unsuitable Backfill Material, Gr 30, (Modified Subbase Pile)
950
TON
$
25.00
$
23,750.00
$ 23.00
$
21,850.00
6
3010-108-F-0
Trench Compaction Testing
1
LS
$
3,000.00
$
3,000.00
$ 4,500.00
$
4,500.00
Sub Total
$
36,000.00
Sub Total
$
36,270.00
Division 4010 - Sanitary Sewers
7
4010-108-A-1
Sanitary Sewer Gravity Main, Trenched, 6" PVC C900
65
LF
$
90.00
$
5,850.00
$ 120.00
$
7,800.00
8
4010-108-A-1
Sanitary Sewer Gravity Main, Trenched, 8" PVC C900
186
LF
$
135.00
$
25,110.00
$ 95.00
$
17,670.00
9
4010-108-1-1
Double Sweep Cleanout
2
EA
$
750.00
$
1,500.00
$ 4,000.00
$
8,000.00
10
4010-108-L-0
Sanitary Sewer Abandonment, Fill and Plug
2.3
CY
$
400.00
$
920.00
$ 350.00
$
805.00
11
4010-108-M-1
Sanitary Sewer Lateral Wye Connection, PVC Wye, 8x6
1
EA
$
500.00
$
500.00
$ 1,100.00
$
1,100.00
Sub
Total
$
33,880.00
Sub Total
$
35,375.00
Division 6010 - Structures for Sanitary and Storm Sewers
12
6010-108-A-0
Manhole Type, 48" SW-301
31
VF
$
550.00
$
17,050.00
$ 840.00
$
26,040.00
13
6010-108-A-0
Manhole Type,60"SW-301
12
VF
$
850.00
$
10,200.00
$ 1,100.00
$
13,200.00
14
6010-108-C-1
Internal Drop Connection
1
EA
$
2,000.00
$
2,000.00
$ 1,700.00
$
1,700.00
15
6010-108-G-1
Connection to Existing Manhole
1
EA
$
4,000.00
$
4,000.00
$ 1,800.00
$
1,800.00
16
6010-108-H-1
Remove Manhole
1
EA
$
2,500.00
$
2,500.00
$ 1,500.00
$
1,500.00
Sub
Total
$
35,750.00
Sub Total
$
44,240.00
Division 7040 - Pavement Rehabilitation
17
7040-108-H-0
Pavement -Removal
160
SY
$
15.00
$
2,400.00
$ 15.00
$
2,400.00
18
7040-108-1-0
Curb and Gutter- Removal
30
LF
$
6.00
$
180.00
$ 10.00
$
300.00
Sub
Total
$
2,580.00
Sub Total
$
2,700.00
Division 8030 - TemporaryTraffic Control
19
8030-108-A-0
Temporary Traffic Control
1
LS
$
3,000.00
$
3,000.00
$ 900.00
$
900.00
Sub
Total
$
3,000.00
Sub Total
$
900.00
Division 9040 - Erosion and Sediment Control
20
9040-108-T-1
Inlet Protection Device, Installation
3
EA
$
300.00
$
900.00
$ 350.00
$
1,050.00
21
9040-108-T-2
Inlet Protection Device, Maintenance
3
EA
$
50.00
$
150.00
$ 50.00
$
150.00
Sub
Total
$
1,050.00
Sub Total
$
1,200.00
Division 9060 - Chain Link Fence
22 9060-108-F-0 Temporary Fence
Division 11,020 - Mobilization
23 11020-108-A-0 Mobilization
1000 LF $ 8.00 $ 8,000.00 $ 3.50 $ 3,500.00
Sub Total $ 8,000.00 Sub Total $ 3,500.00
1 LS $ 15,000.00 $ 15,000.00
Sub Total $ 15,000.00
Special Provisions - Non -Standard Project Items
24 SP
Disposal Of Landfill Material
600 TON
$ 100.00
$
60,000.00
25 SP
Field Verify Lateral Locations
3 EA
$ 400.00
$
1,200.00
26 SP
Contaminated Water Bypass Pumping
1 LS
$ 3,000.00
$
3,000.00
27 SP
Incentive Pay
15 Day
$ 1,000.00
$
15,000.00
Sub Total
$
79,200.00
Total Base Bid Amount
$
226,685.00
Total Selected Alternate(s) Amount
$
Total Bid Amount:
$
226,685.00
% Over I Under (-)
$
24,000.00
$
24,000.00
Sub
Total
$
24,000.00
$
110.00
$
66,000.00
$
450.00
$
1,350.00
$
2,500.00
$
2,500.00
$
1,000.00
$
15,000.00
Sub
Total
$
84,850.00
$ 248,560.00
$ 248,560.00
Total Bid $ 248,560.00
9.65%
$ 37.00 $ 5,550.00
$ 33.00 $ 7,260.00
$ 24.00 $ 22,800.00
$ 1,500.00 $ 1,500.00
Sub Total $ 37,110.00
$ 97.00 $ 6,305.00
$ 103.00 $ 19,158.00
$ 3,755.00 $ 7,510.00
$ 750.00 $ 1,725.00
$ 2,275.00 $ 2,275.00
Sub Total $ 36,973.00
$ 910.00 $ 28,210.00
$ 1,175.00 $ 14,100.00
$ 1,665.00 $ 1,665.00
$ 1,350.00 $ 1,350.00
$ 1,800.00 $ 1,800.00
Sub Total $ 47,125.00
$ 22.25 $ 3,560.00
$ 28.50 $ 855.00
Sub Total $ 4,415.00
$ 1,000.00 $ 1,000.00
Sub Total $ 1,000.00
$ 350.00 $ 1,050.00
$ 50.00 $ 150.00
Sub Total $ 1,200.00
$ 6.50 $ 6,500.00
Sub Total $ 6,500.00
$ 8,000.00 $ 8,000.00
Sub Total $ 8,000.00
$ 136.50 $ 81,900.00
$ 525.00 $ 1,575.00
$ 3,500.00 $ 3,500.00
$ 1,000.00 $ 15,000.00
Sub Total $ 101,975.00
$ 255,019.25
$ 255,019.25
Total Bid $ 255,019.25
12.50%
Page 445 of 579