6-25-20_Winn981024D_DocCC_Schedule_of_Prices-WORKSHEET.pdf
PDF 196 KB Posted
- Attached to
- WINN981024d 25-20
- Solicitation number
- 009-RFB-WRBWL-CY25-20
- Issued by
- Story County, Iowa
About this file
This is a Schedule of Prices worksheet for a nutrient reduction constructed wetland project submitted by the Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality, in Winneshiek County, Iowa. The project encompasses approximately 8 acres and includes site stripping and preparation, channel and buffer seeding, mobilization/demobilization, drain tile investigation and removal, excavation (2,702 cubic yards), and installation of various infrastructure components. Key materials include 6,608 square feet of tied concrete block mat, 19,564 square yards of 12-inch pond liner, 1,100 linear feet of corrugated HDPE pipe in various sizes, 108 linear feet of reinforced concrete pipe (12-inch diameter), water control structures, riprap (48 tons), anti-seep collars, and corrugated single-wall HDPE pipe (464 linear feet total). The project is Bid No. 25-20 with Contract No. 25-20, located in Section 24, Township 98 North, Range 10 West. Sealed bids must be submitted through the Iowa Management of Procurement & Contracts System (IMPACS) by 3:00 PM on December 17, 2025, with a public bid opening immediately following. A pre-bid conference is scheduled for December 2, 2025, at 11:00 AM at the Spillville Public Library. Written questions regarding plans and specifications must be submitted by 3:00 PM on December 9, 2025.
Bidders must submit a bid bond equal to ten percent of their bid amount and be registered with the Iowa Department of Inspections, Appeals & Licensing. The estimated construction cost range is between $200,000 and $300,000. The successful bidder will be required to furnish a Performance/Payment Bond equal to 100% of the contract price. Non-Iowa corporations must provide proof of authorization from the Secretary of State to conduct business in Iowa prior to contract execution. Contract documents, including plans, specifications, and the bid package, are available through the Iowa Agriculture website and the Department of Administrative Services vendor bidding portal. Interested parties must request inclusion on the plan holders list to receive addenda and meeting minutes. This worksheet is designed for bidding purposes only, with actual bids to be submitted exclusively through the online IMPACS system.
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Winn981024A Nutrient Reduction Wetland Project DOCUMENT CC Bid No. 25-20 PROPOSAL AND SCHEDULE OF PRICES
CC-4
SCHEDULE OF PRICES
Winn981024A Project
Contract No. 25-20
Section 24, Township 98 North, Range 10 West, Winnisheik County, Iowa
Name of Bidder:_______________________________________________________________________________
B&M
Item
No.
IMPACS
Item No. Work or Material
Spec No.
Sheet No.
Est.
Qty. Unit
Unit
Price Total
1 1 Site stripping & preparation
IA CS-001
A.02
LS
2 Crop damage IA CS-001 AC
3 2 Structure & channel seeding
IA CS-006
K.01
1.0 AC
4 3 Buffer seeding
IA CS-006
K.01
7.0
AC
5 4 Mobilization and demobilization
IA CS-008
A.02
1 LS
6 5 Drain tile investigation and removal
IA CS-009
A.02
6 HR
7A 6 Tied Concrete Block Mat
IA CS-031
D.03
6,608 SF
7B 7 Tied Concrete Block Mat: U-Anchors
IA CS-031
D.03
170 EA
7C 8 Tied Concrete Block Mat: Cross Plate
Percussion Anchors
IA CS-031
D.03
220 EA
8 9 Excavation
IA CS-021
D.01
2,702 CY
9 10 Earthfill (General)
IA CS-023
D.02
762 CY
10 11 Earthfill (General Dam)
IA CS-023
D.02
531 CY
11 12 Earthfill (Dam Core)
IA CS-023
D.02
809 CY
12 13 12" Pond Liner
IA CS-023
D.01
19,56
SY
13 14 Drainfill, fine
IA CS-024
D.02
22 CY
14 15 Topsoil Strip, Salvage, and Respread
IA CS-026
D.01
3,868 CY
15C 16 Corrugated Dual-Wall HDPE: 8" Non-
Perforated
IA CS-046
M.02
40 LF
15D 17 Corrugated Dual-Wall HDPE: 8" Perforated
IA CS-046
M.02
440 LF
15E 18 Corrugated Dual-Wall HDPE: 10" Non-
Perforated
IA CS-046
M.01
50 LF
15F 19 Corrugated Dual-Wall HDPE: 10" Perforated
IA CS-046
M.01
100 LF
16A 20 Reinforced Concrete Pipe: 12" Diameter
IA CS-031
M.01
108 LF
17 21 Modified SW-402 Water Control Structure
IA CS-031
B.03, M.01
1 EA
18 22 Stoplog Storage Structure
IA CS-046
B.03
1 EA
19 23 Outlet Riser Structure
IA CS-046
B.02, M.01
1 EA
Winn981024A Nutrient Reduction Wetland Project DOCUMENT CC Bid No. 25-20 PROPOSAL AND SCHEDULE OF PRICES
CC-5
20A 24 CMP tile outlets (20 LF each): 10" Diameter
IA CS-051
M.02
1 EA
20B 25 CMP tile outlets (20 LF each): 12" Diameter
IA CS-051
M.01
1 EA
21 26 Riprap
IA CS-061
D.03, M.01, M.02
48.0 TN
22 27 Anti-Seep Collars
IA CS-051
M.01
2 EA
23 28 Reinforced Concrete Apron, Footing, Bar
Guard
IA CS-031
M.01
1 EA
24A 29 Corrugated Single- Wall HDPE: 6" Non-
Perforated
IA CS-046
M.02
78 LF
24B 30 Corrugated Single- Wall HDPE: 6" Perforated
IA CS-046
D.01
386 LF
TOTAL BASE BID……………………………………………………………………………………$____________________
Worksheet purposes only. Bids will only be accepted through the on-line Iowa Management of Procurement
& Contracts System (IMPACS).
To register and learn about IMPACS, go to:
https://solutions.sciquest.com/apps/Router/SupplierLogin?CustOrg=DASIowa
END OF DOCUMENT CC
https://solutions.sciquest.com/apps/Router/SupplierLogin?CustOrg=DASIowa
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