9-25-20_WINN970905C_DoCC_SchedulePof_Prices_WORKSHEETpdf.pdf
PDF 191 KB Posted
- Attached to
- Winn970905C 25-19
- Solicitation number
- 009-RFB-WRBWL_CY25-19
- Issued by
- Story County, Iowa
About this file
This is a Schedule of Prices worksheet for a nutrient reduction wetland construction project managed by the Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality, in Winneshiek County, Iowa. The project, identified as Winn970905C Contract No. 25-19, encompasses 26 line items covering site preparation, earthwork, structural installation, and seeding across approximately 8.7 acres. Major work components include site stripping and preparation, drain tile investigation and removal (1,115 linear feet), steel sheet piling (1,403 square feet), general excavation (795 cubic yards), multiple earthfill operations totaling approximately 12,160 cubic yards, topsoil placement, corrugated polyethylene and corrugated metal pipe installation, water control structures, riprap and clean stone placement (920 tons combined), concrete grout (115 cubic yards), silt fence pollution control (720 linear feet), and fence removal and replacement (20 linear feet). Sealed bids must be submitted through the Iowa Management of Procurement and Contracts System (IMPACS) by the established deadline, with a pre-bid conference scheduled for December 2, 2025, at the Spillville Public Library. Construction completion is required by November 15, 2026, for most work items and December 15, 2026, for seeding activities.
Bidders must submit unit prices for each line item on this worksheet, with the total base bid calculated by multiplying estimated quantities by submitted unit prices. The estimated construction cost range is $300,000 to $400,000, with award to the lowest responsive bidder. All bids must include a bid bond equal to ten percent of the bid amount, and the successful bidder will be required to furnish a Performance/Payment Bond equal to 100 percent of the contract price. Bidders must be registered with the Iowa Department of Inspections, Appeals & Licensing, and non-Iowa corporations must provide proof of authorization from the Secretary of State prior to contract execution. Written questions must be submitted to the project engineer, Anthony Harbaugh, P.E. at Shive-Hattery, by 3:00 PM on December 9, 2025, with bid opening scheduled immediately following the submission deadline via Microsoft Teams.
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Winn970905C Nutrient Reduction Wetland Project DOCUMENT CC Bid No. 25-19 PROPOSAL AND SCHEDULE OF PRICES
CC-4
SCHEDULE OF PRICES
Winn970905C Project
Contract No. 25-19
Section 09, Township 97 North, Range 09 West, Winnisheik County, Iowa
Name of Bidder:
Eng.
Item
No.
IMPACS
Item
No. Work or Material Spec No.
Est.
Qty. Unit
Unit
Price Total
1 1 SITE STRIPPING & PREPARATION IA CS-001 1
2 CROP DAMAGE IA CS-001 0
3 2 STRUCTURE & CHANNEL SEEDING IA CS-006 0.3*
4 3 BUFFER SEEDING IA CS-006 8.4
5 4
MOBILIZATION AND
DEMOBILIZATION
CS-008 1
6 5
DRAIN TILE INVESTIGATION &
REMOVAL
IA CS-009 1,115
7 6 STEEL SHEET PILING IA CS-013 1,403
8 7 EXCAVATION (GENERAL) IA CS-021 795
9 8 EARTHFILL (GENERAL (P)) IA CS-023 4,702
10 9 EARTHFILL (GENERAL DAM (P)) IA CS-023 903
11 10 EARTHFILL (DAM CORE (P)) IA CS-023 1,864
12 11
EARTHFILL (18" CLAY LINER,
WETLAND BOTTOM, TWO 9" LIFTS (P))
IA CS-023 3,377
13 12
EARTHFILL (SCARIFY AND
RECOMPACT 9" LAYER OF WETLAND
BOTTOM (P))
IA CS-023 1,214
14 13 TOPSOIL PLACEMENT, 12 INCH (P) IA CS-026 574
15 14 TOPSOIL PLACEMENT, 6 INCH (P) IA CS-026 5,272
16 15
6" CORRUGATED PROFILE WALL
(DUAL WALL, NON-PERFORATED)
POLYETHYLENE PIPE
IA CS-046 176
17 16
8" CORRUGATED PROFILE WALL
(DUAL WALL, NON-PERFORATED)
POLYETHYLENE PIPE
IA CS-046 209
18 17
24" ALUMINIZED CMP DRAWDOWN
RISER, 12 GA
IA CS-051 1
19 18
48" CMP WATER CONTROL
STRUCTURE
IA CS-051 1
20 19
18" ALUMINIZED CMP WETLAND
DRAWDOWN PIPE, 14GA
IA CS-051 116
21 20 8" CMP TILE OUTLETS (20 LF EACH) IA CS-051 1
22 21 10" CMP TILE OUTLETS (20 LF EACH) IA CS-051 1
23 22 RIP RAP IA CS-061 885
24 23 2" CLEAN STONE IA CS-061 35
25 24 CONCRETE GROUT IA CS-062 115
Winn970905C Nutrient Reduction Wetland Project DOCUMENT CC Bid No. 25-19 PROPOSAL AND SCHEDULE OF PRICES
CC-5
26 25 POLLUTION CONTROL, SILT FENCE IA CS-005 720
27 26
BARB-WIRED FENCE REMOVAL AND
REPLACEMENT
IA-382 20
TOTAL BASE BID………………………………………………………………………………………$________________
*Note: Structure & Channel Seeding: IMPACS will not accept an entry less than 1. Enter your unit price into IMPACS. When we send the contract it will be calculated based on 0.3 acre times the unit price.
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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