COST APPENDIX MCGREGOR LAKE HABITAT REHABILITATION AND ENHANCEMENT PROJECT POOL 10, UPPER MISSISSIPPI RIVER, WISCONSIN

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1 COST APPENDIX Revised 9/25/18 MCGREGOR LAKE HABITAT REHABILITATION AND ENHANCEMENT PROJECT POOL 10, UPPER MISSISSIPPI RIVER, WISCONSIN I. PROJECT SCOPE a. Project work includes the expansion of existing floodplain forest islands and construction of new habitat features on the Mississippi River between McGregor, Iowa and Prairie Du Chien, Wisconsin. They will be constructed with a base of granular fill, and will be capped with a mix of granular and fine grained soils. Some shorelines and features will be stabilized with riprap. b. Fill material will come from main channel dredging sources, access dredging, and habitat dredging. Rock will be hauled in from an offsite source. II. II. GENERAL a. This appendix summarizes the cost estimates prepared for the Tentatively Selected Plan (TSP). The estimates include planning, engineering, design, construction, and construction management costs. These estimates were developed after the review of project drawings, project data, and attending regular PDT meetings. b. These estimates were created in accordance with ER Cost Engineering Policy and General Requirements, (26 March 1993) and ER Civil Works Cost Engineering, (15 September 2008), and ETL Engineering and Design: Construction Cost Estimating Guide for Civil Works. c. The Civil Works Breakdown Structure (WBS) was utilized in preparing these estimates. CONSTRUCTION a. The construction estimate was prepared using MicroComputer Aided Cost Estimating System (MCACES), MII version 4.4. b. Construction Assumptions i. The Granular Fill will be transported to the project site from various channel dredging stockpiles including McMillan Island, Mississippi Gardens, Catfish Slough, Hovie Island, or channel dredge cuts at the adjacent East Channel, or the Upper Approach to LD10. ii. The Random and Fine Fill will be mechanically dredged from access channels and proposed habitat areas. iv. Crews and production rates are based on information received from the Contracting Officer Representative based on the actual construction of Capoli Slough EMP and Harpers HREP, as well as the Conway HREP bid abstract. They were obtained from daily average productions and include crew set up time, site inefficiencies, equipmentoperator crews, and assemblies.

2 v. Labor rates were determined by reviewing the following DavisBacon Wage Rates: 1. General Decision Number: WI /03/2018 WI15 State: WI 2. County: Crawford vi. Equipment types were selected based on similar projects. The rates are based on the EP Construction Equipment Ownership and Operating Expense Schedule Region IV. vii. Material prices used are similar to Capoli Slough EMP, Harpers Slough, and Conway. Rock pricing was confirmed in July 2018 through suppliers. viii. Markups, overhead, and profit similar to Capoli Slough EMP, Harpers Slough, and Conway, were included. 1. JOOH: 10% 2. HOOH: 6.2% 3. Profit: 8% (see calculation below*) 4. Bond: 1% (included as a separate item, not as a markup) ix. This procurement is assumed to be 100% setaside for small business. x. *Profit calculation: III. RISK ANALYSIS a. An Abbreviated Risk Analysis (ARA) process for Total Project Costs under $40 million has been established by Headquarters and included here. b. The purpose of this analysis is to determine a contingency cost for each project feature including planning, engineering, design, and construction management. c. The construction cost calculated by MII was utilized in the ARA. d. The current ARA resulted in a construction contingency of 25.2%. This percentage varies slightly when computed after deducting approximately $15/CY of granular fill (Channels and Harbors is forecast to pay between $13 and $16/CY for this project). Therefore concerning values reported for environmental purposes and analyzing habitat unit costs, a risk of

3 25.7% is used. e. Risks and Uncertainties identified in the ARA include: i. indeterminate composition of the dredged fine material from backwater areas ii. unknown settlement of the granular base during construction. iii. relatively large quantities on this project are greater than any other similar projects in the district, and contractor will likely require multiple crews working simultaneously on different fronts of the project in order to complete the project in three construction seasons, notwithstanding weather delays and high water delays. IV. TOTAL PROJECT COST SYSTEM (TPCS) a. The TPCS utilizes the above construction cost including the contingencies determined by the ARA and a middle point of construction date 2020Q4, to express the cost in today s dollars. b. The Civil Works Construction Cost Index System (CWCCIS) is used to calculate these costs. c. The St. Paul District s Operations Division, Channels and Harbors (C&H) is willing to contribute the full amount of granular fill for this Tentative Selected Plan (TSP). This quantity is approximately 300,000 CY, and it is from several channel dredging stockpiles in the vicinity of the project site. d. C&H is also forecasting a contribution of approximately $13 $16 / CY for beneficial use of the sand in accordance with Federal Standard dredge spoil calculations. This contribution accounts for approximately $4.8 Million to be paid toward this project, and is therefore calculated separately on page 3 of the TPCS spreadsheet, shown as C&H CONTRIBUTION. It is important to include, but calculate separately, C&H contribution to this project. Without including this contribution in the reports and supporting documentation, the project would likely be cost prohibitive, and would realize diminished support by partnering agencies in Iowa, Wisconsin, Fish and Wildlife Service, or higher headquarters within USACE. V. OPERATIONS, MAINTENANCE, REPAIR, REPLACEMENT AND REHABILITATION COSTS (OMRR&R) a. OMRR&R is not included in the estimate on this HREP project. VI. PROJECT SCHEDULE a. Construction of this type is limited to the open water season on the Upper Mississippi River. Construction in certain years can begin in April, but May is more typical for beginning construction due to the constraints associated with spring high water. At the other end of the spectrum, late November is the end of the construction season due to winter freezeup. b. Three construction seasons are assumed for this project this is an aggressive schedule when compared to other projects of this type in this district. c. A schedule was prepared based off production rates that the district has seen in the past. 1. Work days are 10 hours per day, 5 days per week. 2. It is assumed that overtime is required. 3. The durations for each task were obtained from the MII estimate plus 10%

4 to account for holidays, adverse weather days, and/or any other delays. d. In order to complete the project in a 3 year construction window, it is probable that the contractor will need to dredge, haul, and construct on multiple features across the McGregor Lake complex at any given time therefore the project features are not divided into phases. e. The physical area required to dredge, consolidate, and dry the fines, then layer and mix them with the granular fill to create a six foot thick soil mix at the tops of the features is substantial. For this reason it is likely the contractor will maximize the granular base area, across the entire project footprint, and initiate fines drying as early as possible in the project. VII. ATTACHMENTS a. Summary of Project Cost b. MII Report c. Project Schedule d. ARA Report e. TPCS

5 ATTACHMENT A Summary of Project Cost

6 McGregor Lake HREP Per Feature Cost Estimate 9/7/2018 ALL Unit Item Description Quantity Unit Price Amount 1 Bonds 1 LS $ 200,000 $ 200,000 2 Granular Fill 1 LS $ 7,637,869 $ 7,637,869 3 Minus contribution from C&H 1 LS $ (4,326,000) $ (4,326,000) 4 Fine Fill 1 LS $ 7,787,448 $ 7,787,448 5 Rip Rap 1 LS $ 920,608 $ 920,608 6 Forest and Turf Establishment 1 LS $ 365,500 $ 365,500 Subtotal Construction $ 12,585,425 5% Planning, Engineering, Design $ 629,271 7% Construction Management $ 880,980 Subtotal Project $ 14,095,676 Contingencies $ 0 $ 3,621,267 Total Construction $ 17,716,943 F4B Unit Item Description Quantity Unit Price Amount 1 Bonds 1 LS $ 20,000 $ 20,000 2 Granular Fill 1 LS $ 3,076,853 $ 3,076,853 3 Minus contribution from C&H 1 LS $ (1,742,694) $ (1,742,694) 4 Fine Fill 1 LS $ 3,812,511 $ 3,812,511 5 Rip Rap 1 LS $ $ 6 Forest and Turf Establishment 1 LS $ 142,139 $ 142,139 Subtotal Construction $ 5,308,809 5% Planning, Engineering, Design $ 265,440 7% Construction Management $ 371,617 Subtotal Project $ 5,945,866 Contingencies $ 0 $ 1,527,530 Total Construction $ 7,473,397 F8 Unit Item Description Quantity Unit Price Amount 1 Bonds 1 LS $ 20,000 $ 20,000 2 Granular Fill 1 LS $ 149,282 $ 149,282 3 Minus contribution from C&H 1 LS $ (84,551) $ (84,551) 4 Fine Fill 1 LS $ 357,848 $ 357,848 5 Rip Rap 1 LS $ $ 6 Forest and Turf Establishment 1 LS $ 37,362 $ 37,362 Subtotal Construction $ 479,940 5% Planning, Engineering, Design $ 23,997 7% Construction Management $ 33,596 Subtotal Project $ 537,533 Contingencies $ 0 $ 138,096 Total Construction $ 675,629

7 F14 Unit Item Description Quantity Unit Price Amount 1 Bonds 1 LS $ 20,000 $ 20,000 2 Granular Fill 1 LS $ 2,365,108 $ 2,365,108 3 Minus contribution from C&H 1 LS $ (1,339,570) $ (1,339,570) 4 Fine Fill 1 LS $ 2,099,185 $ 2,099,185 5 Rip Rap 1 LS $ $ 6 Forest and Turf Establishment 1 LS $ 98,441 $ 98,441 Subtotal Construction $ 3,243,165 5% Planning, Engineering, Design $ 162,158 7% Construction Management $ 227,022 Subtotal Project $ 3,632,345 Contingencies $ 0 $ 933,172 Total Construction $ 4,565,517 F15 Unit Item Description Quantity Unit Price Amount 1 Bonds 1 LS $ 20,000 $ 20,000 2 Granular Fill 1 LS $ 736,680 $ 736,680 3 Minus contribution from C&H 1 LS $ (417,247) $ (417,247) 4 Fine Fill 1 LS $ 623,335 $ 623,335 5 Rip Rap 1 LS $ $ 6 Forest and Turf Establishment 1 LS $ 35,088 $ 35,088 Subtotal Construction $ 997,856 5% Planning, Engineering, Design $ 49,893 7% Construction Management $ 69,850 Subtotal Project $ 1,117,599 Contingencies $ 0 $ 287,118 Total Construction $ 1,404,717 F16 Unit Item Description Quantity Unit Price Amount 1 Bonds 1 LS $ 20,000 $ 20,000 2 Granular Fill 1 LS $ 1,307,733 $ 1,307,733 3 Minus contribution from C&H 1 LS $ (740,685) $ (740,685) 4 Fine Fill 1 LS $ 895,735 $ 895,735 5 Rip Rap 1 LS $ $ 6 Forest and Turf Establishment 1 LS $ 56,856 $ 56,856 Subtotal Construction $ 1,539,639 5% Planning, Engineering, Design $ 76,982 7% Construction Management $ 107,775 Subtotal Project $ 1,724,396 Contingencies $ 0 $ 443,008 Total Construction $ 2,167,404

8 W1 Unit Item Description Quantity Unit Price Amount 1 Bonds 1 LS $ 20,000 $ 20,000 2 Granular Fill 1 LS $ $ 3 Minus contribution from C&H 1 LS $ $ 4 Fine Fill 1 LS $ $ 5 Rip Rap 1 LS $ 145,468 $ 145,468 6 Forest and Turf Establishment 1 LS $ $ Subtotal Construction $ 165,468 5% Planning, Engineering, Design $ 8,273 7% Construction Management $ 11,583 Subtotal Project $ 185,324 Contingencies $ 0 $ 47,611 Total Construction $ 232,935 C1 Unit Item Description Quantity Unit Price Amount 1 Bonds 1 LS $ 20,000 $ 20,000 2 Granular Fill 1 LS $ $ 3 Minus contribution from C&H 1 LS $ $ 4 Fine Fill 1 LS $ $ 5 Rip Rap 1 LS $ 5,867 $ 5,867 6 Forest and Turf Establishment 1 LS $ $ Subtotal Construction $ 25,867 5% Planning, Engineering, Design $ 1,293 7% Construction Management $ 1,811 Subtotal Project $ 28,971 Contingencies $ 0 $ 7,443 Total Construction $ 36,414 R1 Unit Item Description Quantity Unit Price Amount 1 Bonds 1 LS $ 20,000 2 Granular Fill 1 LS 0 $ 3 Minus contribution from C&H 1 LS 0 $ 4 Fine Fill 1 LS 0 $ 5 Rip Rap 1 LS $ 91,044 6 Forest and Turf Establishment 1 LS 0 $ Subtotal Construction $ 111,044 5% Planning, Engineering, Design $ 5,552 7% Construction Management $ 7,773 Subtotal Project $ 124,369 Contingencies $ 0 $ 31,951 Total Construction $ 156,321

9 R2 Unit Item Description Quantity Unit Price Amount 1 Bonds 1 LS $ 20,000 $ 20,000 2 Granular Fill 1 LS $ $ 3 Minus contribution from C&H 1 LS $ $ 4 Fine Fill 1 LS $ $ 5 Rip Rap 1 LS $ 215,066 $ 215,066 6 Forest and Turf Establishment 1 LS $ $ Subtotal Construction $ 235,066 5% Planning, Engineering, Design $ 11,753 7% Construction Management $ 16,455 Subtotal Project $ 263,274 Contingencies $ 0 $ 67,637 Total Construction $ 330,911 R4 Unit Item Description Quantity Unit Price Amount 1 Bonds 1 LS $ 20,000 $ 20,000 2 Granular Fill 1 LS $ $ 3 Minus contribution from C&H 1 LS $ $ 4 Fine Fill 1 LS $ $ 5 Rip Rap 1 LS $ 456,839 $ 456,839 6 Forest and Turf Establishment 1 LS $ $ Subtotal Construction $ 476,839 5% Planning, Engineering, Design $ 23,842 7% Construction Management $ 33,379 Subtotal Project $ 534,059 Contingencies $ 0 $ 137,203 Total Construction $ 671,262

10 ATTACHMENT B MII Report

11 Print Date Tue 25 September 2018 U.S. Army Corps of Engineers Time 11:14:01 Eff. Date 8/16/2018 Project : MCGREGOR LAKE FEASIBILITY STUDY McGregor Feasibility Cost Estimate Title Page MCGREGOR LAKE FEASIBILITY STUDY This MII cost estimate represents the feasibility level estimate (not yet the independent government estimate) for McGregor Lake. Estimated by Designed by Prepared by Adam Rasmussen Adam Rasmussen Preparation Date 8/16/2018 Effective Date of Pricing 8/16/2018 Estimated Construction Time Days This report is not copyrighted, but the information contained herein is For Official Use Only. Labor ID: EQ ID: EP16R04 Currency in US dollars TRACES MII Version 4.4

12 Print Date Tue 25 September 2018 U.S. Army Corps of Engineers Time 11:14:01 Eff. Date 8/16/2018 Project : MCGREGOR LAKE FEASIBILITY STUDY McGregor Feasibility Cost Estimate Library Properties Page i Designed by Design Document Feasibility Report Document Date 8/16/2018 Estimated by District St. Paul District Adam Rasmussen Contact Adam Rasmussen Prepared by Budget Year 2018 Adam Rasmussen UOM System Original Direct Costs Timeline/Currency LaborCost Preparation Date 8/16/2018 EQCost Escalation Date 8/16/2018 MatlCost Eff. Pricing Date 8/16/2018 SubBidCost Estimated Duration 0 Day(s) Costbook CB16EN: 2016 MII English Cost Book Currency US dollars Exchange Rate Labor : WI /03/2018 WI15 Note: General Decision Number: WI /03/2018 WI15 Superseded General Decision Number: WI State: Wisconsin Construction Type: Heavy Labor Rates LaborCost1 LaborCost2 LaborCost3 LaborCost4 Equipment EP16R04: MII Equipment 2016 Region NORTHCENTRAL Fuel Shipping Rates Sales Tax 5.25 Electricity Over 0 CWT Working Hours per Year 1,260 Gas Over 240 CWT Labor Adjustment Factor 1.03 Diesel OffRoad Over 300 CWT Cost of Money 1.88 Diesel OnRoad Over 400 CWT Cost of Money Discount Over 500 CWT Tire Recap Cost Factor 1.50 Over 700 CWT Tire Recap Wear Factor 1.80 Over 800 CWT 7.60 Tire Repair Factor 0.15 Equipment Cost Factor 1.00 Standby Depreciation Factor 0.50 Labor ID: EQ ID: EP16R04 Currency in US dollars TRACES MII Version 4.4

13 Print Date Tue 25 September 2018 U.S. Army Corps of Engineers Time 11:14:01 Eff. Date 8/16/2018 Project : MCGREGOR LAKE FEASIBILITY STUDY McGregor Feasibility Cost Estimate McGregor Feasibility Level Cost Estimate Page 1 Description UOM ProjectCost McGregor Feasibility Level Cost Estimate 16,911, RECOMMENDED PLAN EA 16,911, Fish and Wildlife Facilities EA 16,911, Bonds LS 200, GRANULAR FILL PLACEMENT CY 7,637, MECHANICAL DREDGING CREW CY 4,224, FINE FILL PLACEMENT CREW CY 3,563, R45 RIPRAP PRICING TON 477, ROCK TRANSPORTATION TON 140, ROCK PLACEMENT TON 302, Job (New Project Area) ACR 225, Timber Stand Improvement ACR 115, Mob and DeMob LS 25, Labor ID: EQ ID: EP16R04 Currency in US dollars TRACES MII Version 4.4

14 Print Date Tue 25 September 2018 U.S. Army Corps of Engineers Time 11:14:01 Eff. Date 8/16/2018 Project : MCGREGOR LAKE FEASIBILITY STUDY McGregor Feasibility Cost Estimate Table of Contents Description Page Library Properties i McGregor Feasibility Level Cost Estimate 1 RECOMMENDED PLAN 1 Fish and Wildlife Facilities 1 Labor ID: EQ ID: EP16R04 Currency in US dollars TRACES MII Version 4.4

15 ATTACHMENT C Project Schedule

16 McGregor HREP Construction Schedule ID Task Name Duration Q Q Q Q Q Q Q Q Q Q Q Q Q Award Contract 1 Island Construction Granular Fill (by volume, first 1/4) Partial construction season 2 Island Construction Fine Fill (by volume, first 1/4) Partial construction season 3 Fine Fill drying and consolidation Off season 4 Island Construction Granular Fill (by volume, next 3/4) Full construction season 5 Island Construction Fine Fill (by volume, next 2/4) Full construction season 6 Fine Fill drying and consolidation Off season 7 Island Construction Fine Fill (by volume, last 1/4) Full construction season 8 Erosion Protection (rock) Partial construction season 9 Forest and Turf Establishment Partial construction season

17 ATTACHMENT D ARA Report

18 Abbreviated Risk Analysis McGregor Feasibility (Recommended Plan) Meeting Date: 20Jul18 PDT Members Note: PDT involvement is commensurate with project size and involvement. Represents Project Management: Planners: Study Manager: Contracting: Real Estate: Relocations: OTHER: Engineering & Design: Technical Lead: Geotech: H&H Civil: Structural: Mechanical: Electrical: Cost Engineering: Construction: Operations: Environmental: VE DOT & PF Sponsor DOT & PF Sponsor OTHER: OTHER: OTHER: Name Shahin Khazrajafari Elliott Stefanik, and Megan McGuire Kevin Henricks and Ken Eshom Kurt Heckendorf Alex Le Paul Morken Adam Rasmussen Scott Baker

19 Abbreviated Risk Analysis Project (less than $40M): McGregor Alternative: TSP Project Development Stage/Alternative: Feasibility (Recommended Plan) Risk Category: Low Risk: Typical Construction, Simple Meeting Date: 7/20/2018 Total Estimated Construction Contract Cost = $ 16,911,425 reassessed 9/6/2018 CWWBS Feature of Work Estimated Cost % Contingency $ Contingency Total 01 LANDS AND DAMAGES Real Estate $ 0% $ $ 1 06 FISH AND WILDLIFE FACILITIES Bonds (Performance and Payment) $ 200,000 13% $ 26,629 $ 226, FISH AND WILDLIFE FACILITIES Island Construction Granular Fill $ 7,637,869 25% $ 1,880,809 $ 9,518, FISH AND WILDLIFE FACILITIES Island Construction Fine Fill $ 7,787,448 29% $ 2,237,980 $ 10,025, FISH AND WILDLIFE FACILITIES Erosion Protection $ 920,608 20% $ 180,408 $ 1,101, FISH AND WILDLIFE FACILITIES Forest and Turf Establishment $ 365,500 23% $ 83,373 $ 448,873 6 All Other Remaining Construction Items $ (0) 0.0% 0% $ (0) $ (0) 7 30 PLANNING, ENGINEERING, AND DESIGN Planning, Engineering, & Design $ 846,000 17% $ 146,648 $ 992, CONSTRUCTION MANAGEMENT Construction Management $ 1,184,000 19% $ 226,130 $ 1,410,130 XX FIXED DOLLAR RISK ADD (EQUALLY DISPERSED TO ALL, MUST INCLUDE JUSTIFICATION SEE BELOW) $ KEEP KEEP Totals KEEP Real Estate $ 0% $ $ KEEP Total Construction Estimate $ 16,911,425 26% $ 4,409,199 $ 21,320,623 KEEP Total Planning, Engineering & Design $ 846,000 17% $ 146,648 $ 992,648 KEEP KEEP Total Construction Management $ 1,184,000 19% $ 226,130 $ 1,410,130 KEEP Total Excluding Real Estate $ 18,941,425 25% $ 4,781,977 $ 23,723,402 RANGE Base 50% 80% RANGE Confidence Level Range Estimate ($000's) $18,941k $21,810k $23,723k KEEP * 50% based on base is at 5% CL. Fixed Dollar Risk Add: (Allows for additional risk to be added to the risk analsyis. Must include justification. Does not allocate to Real Estate.

20 McGregor TSP Feasibility (Recommended Plan) Abbreviated Risk Analysis Meeting Date: 20 Jul 18 Risk Register Risk Element Feature of Work Concerns PDT Discussions & Conclusions (Include logic & justification for choice of Likelihood & Impact) Impact Likelihood Risk Level Project Management & Scope Growth Maximum Project Growth 40% PS1 PS2 Bonds (Performance and Payment) Island Construction Granular Fill Potential for scope growth, added features and quantities? Investigations sufficient to support design assumptions? Design confidence? Potential for scope growth, added features and quantities? Project accomplish intent? Design confidence? Potential for scope growth, added features and quantities? Project bonding is an added layer of security with a relative minor cost impact. The number, sizes, and shapes, of the features could change. Assumption will be proven in the field favorably or not regarding settlement. Mitigate risk with borrow source list with Marginal Likely 2 PS3 Island Construction Fine Fill Design confidence? Potential for scope growth, added features and quantities? The number, sizes, and shapes, of the features could change. Assumption will be proven in the field favorably or not regarding settlement. Mitigate risk with borrow source list with order of preference, or Build less to accommodate the lack of suitable materials. Materials coming from sources outside currently identified will significantly increase project costs. Geotubes more suitable for confinement not island construction, degrade quickly, move, and underperform. Dewatering of the fines will be significant to ensure workability and grading (when mixed). 200% water content; 60:40 mix. Estimate captures the higher cost per CY which buys down risk ~$35/CY. Marginal Likely 2 PS4 Erosion Protection Potential for scope growth, added features and quantities? PS5 Forest and Turf Establishment Potential for scope growth, added features and quantities? The number, sizes, and shapes, of the features could change. Small item with a solid scope defined with entire team. The number, sizes, and shapes, of the features could change. Wetland seedmix and plantings are not yet determined, however the rough budgeted cost for this item is more than enough to cover the "worst case." Marginal Unlikely 0 Marginal Unlikely 0 PS12 Remaining Construction Items Potential for scope growth, added features and quantities? The number, sizes, and shapes, of the features could change. Marginal Possible 1 PS13 Planning, Engineering, & Design Potential for scope growth, added features and quantities? PS14 Construction Management Potential for scope growth, added features and quantities? The number, sizes, and shapes, of the features could change. The number, sizes, and shapes, of the features could change. Assuming a 3 year construction, consider a 4 year construction time. Marginal Unlikely 0 Marginal Possible 1 Acquisition Strategy Maximum Project Growth 30% AS1 Bonds (Performance and Payment) Contracting plan firmly established? AS2 Island Construction Granular Fill Contracting plan firmly established? An Acquisition Strategy Meeting has not been held. Contracting has not been active in the PDT. A bid schedule will be developed with quantities and unit prices. If Free and Open Bids An Acquisition Strategy Meeting has not been held. Contracting has not been active in the PDT. A bid schedule will be developed with quantities and unit prices. If Free and

21 AS3 Island Construction Fine Fill Contracting plan firmly established? An Acquisition Strategy Meeting has not been held. Contracting has not been active in the PDT. A bid schedule will be developed with quantities and unit prices. If Free and AS4 Erosion Protection Contracting plan firmly established? An Acquisition Strategy Meeting has not been held. Contracting has not been active in the PDT. A bid schedule will be developed with quantities and unit prices. If Free and Open Bids are not utilized higher bids may be the result. There is uncertainty in the riprap requirement (although it is included in several alternatives and in the TSP). The actual impact of this item is more likely to be marginal not moderate. Also, the present plan is not to use willows on shoreline. Moderate Possible 2 AS5 Forest and Turf Establishment Contracting plan firmly established? AS12 Remaining Construction Items Contracting plan firmly established? AS13 AS14 Planning, Engineering, & Design Construction Management Contracting plan firmly established? Contracting plan firmly established? An Acquisition Strategy Meeting has not been held. Contracting has not been active in the PDT. A bid schedule will be developed with quantities and unit prices. If Free and Open Bids are not utilized higher bids may be the result. An Acquisition Strategy Meeting has not been held. Contracting has not been active in the PDT. A bid schedule will be developed with quantities and unit prices. If Free and Open Bids are not utilized higher bids may be the result. An Acquisition Strategy Meeting has not been held. Contracting has not been active in the PDT. A bid schedule will be developed with quantities and unit prices. If Free and An Acquisition Strategy Meeting has not been held. Contracting has not been active in the PDT. A bid schedule will be developed with quantities and unit prices. If Free and Moderate Possible 2 Negligible Likely 1 Negligible Likely 1 Construction Elements Maximum Project Growth 15% CON1 Bonds (Performance and Payment) High risk or complex construction elements, site access, inwater? CE2 Island Construction Granular Fill High risk or complex construction elements, site access, inwater? CE3 Island Construction Fine Fill High risk or complex construction elements, site access, inwater? CE4 Erosion Protection High risk or complex construction elements, site access, inwater? CE5 Forest and Turf Establishment High risk or complex construction elements, site access, inwater? CE12 Remaining Construction Items High risk or complex construction elements, site access, inwater? CE13 Planning, Engineering, & Design High risk or complex construction elements, site access, inwater? CE14 Construction Management High risk or complex construction elements, site access, inwater? The MPCA may try to limit our dredging to times of low flows (< 20,000cfs) to try to limit material from being displaced during construction, especially the contaminated material. High river The MPCA may try to limit our dredging to times of low flows (< 20,000cfs) to try to limit material from being displaced during construction, especially the contaminated material. High river The MPCA may try to limit our dredging to times of low flows (< 20,000cfs) to try to limit material from being displaced during construction, especially the contaminated material. High river The MPCA may try to limit our dredging to times of low flows (< 20,000cfs) to try to limit material from being displaced during construction, especially the contaminated material. High river The MPCA may try to limit our dredging to times of low flows (< 20,000cfs) to try to limit material from being displaced during construction, especially the contaminated material. High river The MPCA may try to limit our dredging to times of low flows (< 20,000cfs) to try to limit material from being displaced during construction, especially the contaminated material. High river The MPCA may try to limit our dredging to times of low flows (< 20,000cfs) to try to limit material from being displaced during construction, especially the contaminated material. High river The MPCA may try to limit our dredging to times of low flows (< 20,000cfs) to try to limit material from being displaced during construction, especially the contaminated material. High river Marginal Possible 1 Marginal Likely 2 Negligible Likely 1 Marginal Possible 1 Specialty Construction or Fabrication Maximum Project Growth 50% SC1 Bonds (Performance and Payment) Unusual parts, material or equipment manufactured or installed? NA SC2 Island Construction Granular Fill Unusual parts, material or equipment manufactured or installed? NA

22 SC3 Island Construction Fine Fill Unusual parts, material or equipment manufactured or installed? Successful mix could be challenging, placement methodolgy could be very specific and slow production. Marginal Likely 2 SC4 SC5 SC12 SC13 Erosion Protection Unusual parts, material or equipment manufactured or installed? NA Forest and Turf Establishment Unusual parts, material or equipment manufactured or installed? NA Remaining Construction Items Unusual parts, material or equipment manufactured or installed? NA Planning, Engineering, & Design Unusual parts, material or equipment manufactured or installed? NA SC14 Construction Management Unusual parts, material or equipment manufactured or installed? NA Technical Design & Quantities Maximum Project Growth 20% T1 Bonds (Performance and Payment) Level of confidence based on design and assumptions? T2 T3 T4 T5 T12 T13 T14 Island Construction Granular Fill Island Construction Fine Fill Erosion Protection Forest and Turf Establishment Level of confidence based on design and assumptions? Level of confidence based on design and assumptions? Level of confidence based on design and assumptions? Level of confidence based on design and assumptions? A field check confirmed that an updated survey of existing conditions is not needed for P&S. Environmental modeling is now complete. Currently using a rectangular geometry for the A field check confirmed that an updated survey of existing conditions is not needed for P&S. All the environmental modeling is now complete. Currently using a rectangular A field check confirmed that an updated survey of existing conditions is not needed for P&S. All the environmental modeling is now complete A field check confirmed that an updated survey of existing conditions is not needed for P&S. All the environmental modeling is now complete. A field check confirmed that an updated survey of existing conditions is not needed for P&S. All the environmental modeling is now complete. Moderate Possible 2 Moderate Possible 2 Remaining Construction Items Level of confidence based on design and assumptions? NA Planning, Engineering, & Design Construction Management Level of confidence based on design and assumptions? Level of confidence based on design and assumptions? A field check confirmed that an updated survey of existing conditions is not needed for P&S. All the environmental modeling is now complete. A field check confirmed that an updated survey of existing conditions is not needed for P&S. All the environmental modeling is now complete. CM not affected by Q change. Marginal Possible 1 Cost Estimate Assumptions Maximum Project Growth 25% EST1 Bonds (Performance and Payment) No major concerns NA These cost were based on crews and production similar to Conway and Harpers. It is possible that the stocks of granular Island Construction Granular Fill Assumptions regarding crew, productivity, overtime? material from channel maintenance will not be adequate. EST2 Then another source will need to be located; this could be at greater distance and cost The mitigating factor here is to These costs were based on crews and production similar to Island Construction Fine Fill Assumptions regarding crew, productivity, overtime? Conway and Harpers. It is likely that the fine material from the EST3 various backwater areas will not dry or consolidate as planned. EST4 EST5 Erosion Protection Forest and Turf Establishment Assumptions regarding crew, productivity, overtime? Reliability and number of key quotes? Assumptions regarding crew, productivity, overtime? These cost are similar to Capoli Slough, Harpers, and Conway. There is not a clear definition on this cost item. It is assumed to be similar to Conway at this point. Seed mix needs finalizing. Trees planted may depend on if the elevation at Moderate Unlikely 1 Marginal Unlikely 0 Marginal Possible 1 Moderate Possible 2

23 EST12 Remaining Construction Items NA EST13 Planning, Engineering, & Design Assumptions regarding crew, productivity, overtime? Reliability and number of key quotes? NA EST14 Construction Management Assumptions regarding crew, productivity, overtime? NA External Project Risks Maximum Project Growth 20% EX1 Bonds (Performance and Payment) High water, fuel pricing, and availability of skilled Contractors, environmental construction windows High flows would result in higher cost and/or delays. Moderate Possible 2 EX2 EX3 Island Construction Granular Fill Island Construction Fine Fill High water, fuel pricing, and availability of skilled Contractors, environmental construction windows High water, fuel pricing, and availability of skilled Contractors, environmental construction windows High flows would result in higher cost and/or delays. High flows could wash portions of the island away prior to completion. High flows would result in higher cost and/or delays. High flows could wash portions of the fines away and lengthen the drying time. Moderate Possible 2 Moderate Possible 2 EX4 Erosion Protection High water, fuel pricing, and availability of skilled Contractors, environmental construction windows High flows would result in higher cost and/or delays. Marginal Possible 1 EX5 Forest and Turf Establishment High water, fuel pricing, and availability of skilled Contractors, environmental construction windows High flows would result in higher cost and/or delays. High flows could wash portions of the island away prior to completion. Moderate Possible 2 EX12 Remaining Construction Items NA NA EX13 Planning, Engineering, & Design Potential for severe adverse weather? High flows would result in higher cost and/or delays. Marginal Possible 1 EX14 Construction Management Potential for severe adverse weather? High flows would result in higher cost and/or delays. Moderate Possible 2

24 ATTACHMENT E TPCS

25 **** TOTAL PROJECT COST SUMMARY **** Printed:9/11/2018 Page 1 of 12 PROJECT: McGregor HREP DISTRICT: St. Paul District PREPARED: 9/7/2018 PROJECT NO: P POC: CHIEF, COST ENGINEERING, James D. Sentz LOCATION: Crawford WI, Mississippi River This Estimate reflects the scope and schedule in report; McGregor HREP Civil Works Work Breakdown Structure ESTIMATED COST PROJECT FIRST COST (Constant Dollar Basis) TOTAL PROJECT COST (FULLY FUNDED) Program Year (Budget EC): 2019 Effective Price Level Date: 1 OCT 18 TOTAL Spent Thru: FIRST WBS Civil Works COST CNTG CNTG TOTAL ESC COST CNTG TOTAL 1Oct18 COST INFLATED COST CNTG FULL NUMBER Feature & SubFeature Description ($K) ($K) (%) ($K) (%) ($K) ($K) ($K) ($K) ($K) (%) ($K) ($K) ($K) A B C D E F G H I J K L M N O 06 Bonds (Performance and Payment) $200 $ % $ % $200 $27 $227 $0 $ % $210 $28 $ Island Construction Granular Fill $7,638 $1, % $9, % $7,638 $1,881 $9,519 $0 $9, % $8,004 $1,971 $9, Island Construction Fine Fill $7,787 $2, % $10, % $7,787 $2,238 $10,025 $0 $10, % $8,161 $2,345 $10, Erosion Protection $921 $ % $1, % $921 $180 $1,101 $0 $1, % $965 $189 $1, Forest and Turf Establishment $366 $ % $ % $366 $83 $449 $0 $ % $383 $87 $ FISH & WILDLIFE FACILITIES $0 $0 $0 $0 $0 $0 $0 $0 $0 $0 $0 06 FISH & WILDLIFE FACILITIES $0 $0 $0 $0 $0 $0 $0 $0 $0 $0 $0 06 FISH & WILDLIFE FACILITIES $0 $0 $0 $0 $0 $0 $0 $0 $0 $0 $0 CONSTRUCTION ESTIMATE TOTALS: $16,911 $4,409 $21, % $16,911 $4,409 $21,321 $0 $21, % $17,722 $4,621 $22, LANDS AND DAMAGES $0 $0 $0 $0 $0 $0 $0 $0 $0 $0 $0 30 PLANNING, ENGINEERING & DESIGN $846 $ % $ % $846 $147 $992 $0 $ % $843 $146 $ CONSTRUCTION MANAGEMENT $1,184 $ % $1, % $1,184 $226 $1,410 $0 $1, % $1,241 $237 $1,478 PROJECT COST TOTALS: $18,941 $4, % $23,723 $18,941 $4,782 $23,723 $0 $23, % $19,807 $5,004 $24,811 CHIEF, COST ENGINEERING, James D. Sentz PROJECT MANAGER, xxx ESTIMATED TOTAL PROJECT COST: $24,811 CHIEF, REAL ESTATE, xxx CHIEF, PLANNING, xxx CHIEF, ENGINEERING, xxx CHIEF, OPERATIONS, xxx CHIEF, CONSTRUCTION, xxx CHIEF, CONTRACTING,xxx Filename: McGregor TPCSjds XLSX TPCS CHIEF, PMPB, xxxx

26 CHIEF, DPM, xxx **** TOTAL PROJECT COST SUMMARY **** Printed:9/11/2018 Page 2 of 12 Filename: McGregor TPCSjds XLSX TPCS

27 **** TOTAL PROJECT COST SUMMARY **** Printed:9/11/2018 Page 3 of 12 **** CONTRACT COST SUMMARY **** PROJECT: McGregor HREP DISTRICT: St. Paul District PREPARED: 9/7/2018 LOCATION: Crawford WI, Mississippi River POC: CHIEF, COST ENGINEERING, James D. Sentz This Estimate reflects the scope and schedule in report; McGregor HREP Civil Works Work Breakdown Structure ESTIMATED COST PROJECT FIRST COST (Constant Dollar Basis) TOTAL PROJECT COST (FULLY FUNDED) Estimate Prepared: Effective Price Level: 7Sep18 Program Year (Budget EC): Oct18 Effective Price Level Date: 1 OCT 18 RISK BASED WBS Civil Works COST CNTG CNTG TOTAL ESC COST CNTG TOTAL MidPoint INFLATED COST CNTG FULL NUMBER Feature & SubFeature Description ($K) ($K) (%) ($K) (%) ($K) ($K) ($K) Date (%) ($K) ($K) ($K) A B C D E F G H I J P L M N O PHASE 1 or CONTRACT 1 06 Bonds (Performance and Payment) $200 $ % $ % $200 $27 $ Q4 4.8% $210 $28 $ Island Construction Granular Fill $3,312 $ % $4, % $3,312 $816 $4, Q4 4.8% $3,471 $855 $4, Island Construction Fine Fill $7,787 $2, % $10, % $7,787 $2,238 $10, Q4 4.8% $8,161 $2,345 $10, Erosion Protection $921 $ % $1, % $921 $180 $1, Q4 4.8% $965 $189 $1, Forest and Turf Establishment $366 $ % $ % $366 $83 $ Q4 4.8% $383 $87 $ FISH & WILDLIFE FACILITIES $0 $0 0.0% $0 0.0% $0 $0 $ % $0 $0 $0 06 FISH & WILDLIFE FACILITIES $0 $0 0.0% $0 0.0% $0 $0 $ % $0 $0 $0 06 FISH & WILDLIFE FACILITIES $0 $0 0.0% $0 0.0% $0 $0 $ % $0 $0 $0 CONSTRUCTION ESTIMATE TOTALS: $12,585 $3, % $15,929 $12,585 $3,344 $15,929 $13,189 $3,504 $16, LANDS AND DAMAGES $0 $0 0.0% $0 0.0% $0 $0 $ % $0 $0 $0 30 PLANNING, ENGINEERING & DESIGN 0.5% Project Management $63 $ % $74 0.0% $63 $11 $ Q2 3.0% $61 $11 $72 0.5% Planning & Environmental Compliance $63 $ % $74 0.0% $63 $11 $ Q2 3.0% $61 $11 $72 1.0% Engineering & Design $126 $ % $ % $126 $22 $ Q2 3.0% $122 $21 $ % Reviews, ATRs, IEPRs, VE $63 $ % $74 0.0% $63 $11 $ Q2 3.0% $61 $11 $72 0.5% Life Cycle Updates (cost, schedule, risks) $63 $ % $74 0.0% $63 $11 $ Q2 3.0% $61 $11 $72 0.3% Contracting & Reprographics $31 $5 17.3% $37 0.0% $31 $5 $ Q2 3.0% $31 $5 $36 0.5% Engineering During Construction $63 $ % $74 0.0% $63 $11 $ Q2 4.8% $66 $11 $77 0.5% Planning During Construction $63 $ % $74 0.0% $63 $11 $ Q2 4.8% $66 $11 $77 0.3% Adaptive Management & Monitoring $31 $5 17.3% $37 0.0% $31 $5 $ Q1 11.8% $35 $6 $41 0.5% Project Operations $63 $ % $74 0.0% $63 $11 $ Q2 3.0% $61 $11 $72 31 CONSTRUCTION MANAGEMENT 5.0% Construction Management $629 $ % $ % $629 $120 $ Q2 4.8% $660 $126 $ % Project Operation: $126 $ % $ % $126 $24 $ Q2 4.8% $132 $25 $ % Project Management $126 $ % $ % $126 $24 $ Q2 4.8% $132 $25 $157 CONTRACT COST TOTALS: $14,096 $3,621 $17,717 $14,096 $3,621 $17,717 $14,737 $3,789 $18,526 Filename: McGregor TPCSjds XLSX TPCS

28 **** TOTAL PROJECT COST SUMMARY **** Printed:9/11/2018 Page 4 of 12 **** CONTRACT COST SUMMARY **** PROJECT: McGregor HREP DISTRICT: St. Paul District PREPARED: 9/7/2018 LOCATION: Crawford WI, Mississippi River POC: CHIEF, COST ENGINEERING, James D. Sentz This Estimate reflects the scope and schedule in report; McGregor HREP Civil Works Work Breakdown Structure ESTIMATED COST PROJECT FIRST COST (Constant Dollar Basis) TOTAL PROJECT COST (FULLY FUNDED) Estimate Prepared: Effective Price Level: 7Sep18 Program Year (Budget EC): Oct18 Effective Price Level Date: 1 OCT 18 WBS Civil Works COST CNTG CNTG TOTAL ESC COST CNTG TOTAL MidPoint INFLATED COST CNTG FULL NUMBER Feature & SubFeature Description ($K) ($K) (%) ($K) (%) ($K) ($K) ($K) Date (%) ($K) ($K) ($K) A B C D E F G H I J P L M N O C&H CONTRIBUTION 06 Bonds (Performance and Payment) $0 $0 13.3% $0 0.0% $0 $0 $ % $0 $0 $0 06 Island Construction Granular Fill $4,326 $1, % $5, % $4,326 $1,065 $5, Q4 4.8% $4,533 $1,116 $5, Island Construction Fine Fill $0 $0 28.7% $0 0.0% $0 $0 $ % $0 $0 $0 06 Erosion Protection $0 $0 19.6% $0 0.0% $0 $0 $ % $0 $0 $0 06 Forest and Turf Establishment $0 $0 22.8% $0 0.0% $0 $0 $ % $0 $0 $0 06 FISH & WILDLIFE FACILITIES $0 $0 0.0% $0 0.0% $0 $0 $ % $0 $0 $0 06 FISH & WILDLIFE FACILITIES $0 $0 0.0% $0 0.0% $0 $0 $ % $0 $0 $0 06 FISH & WILDLIFE FACILITIES $0 $0 0.0% $0 0.0% $0 $0 $ % $0 $0 $0 CONSTRUCTION ESTIMATE TOTALS: $4,326 $1, % $5,391 $4,326 $1,065 $5,391 $4,533 $1,116 $5, LANDS AND DAMAGES $0 $0 0.0% $0 0.0% $0 $0 $ % $0 $0 $0 30 PLANNING, ENGINEERING & DESIGN 0.5% Project Management $22 $4 17.3% $25 0.0% $22 $4 $ Q1 0.0% $22 $4 $25 0.5% Planning & Environmental Compliance $22 $4 17.3% $25 0.0% $22 $4 $ Q1 0.0% $22 $4 $25 1.0% Engineering & Design $43 $7 17.3% $51 0.0% $43 $7 $ Q1 0.0% $43 $7 $51 0.5% Reviews, ATRs, IEPRs, VE $22 $4 17.3% $25 0.0% $22 $4 $ Q1 0.0% $22 $4 $25 0.5% Life Cycle Updates (cost, schedule, risks) $22 $4 17.3% $25 0.0% $22 $4 $ Q1 0.0% $22 $4 $25 0.3% Contracting & Reprographics $11 $2 17.3% $13 0.0% $11 $2 $ Q1 0.0% $11 $2 $13 0.5% Engineering During Construction $22 $4 17.3% $25 0.0% $22 $4 $ Q2 4.8% $23 $4 $27 0.5% Planning During Construction $22 $4 17.3% $25 0.0% $22 $4 $ Q2 4.8% $23 $4 $27 0.3% Adaptive Management & Monitoring $11 $2 17.3% $13 0.0% $11 $2 $ Q1 0.0% $11 $2 $13 0.5% Project Operations $22 $4 17.3% $25 0.0% $22 $4 $ Q1 0.0% $22 $4 $25 31 CONSTRUCTION MANAGEMENT 5.0% Construction Management $216 $ % $ % $216 $41 $ Q2 4.8% $227 $43 $ % Project Operation: $43 $8 19.1% $52 0.0% $43 $8 $ Q2 4.8% $45 $9 $54 1.0% Project Management $43 $8 19.1% $52 0.0% $43 $8 $ Q2 4.8% $45 $9 $54 CONTRACT COST TOTALS: $4,845 $1,161 $6,006 $4,845 $1,161 $6,006 $5,069 $1,215 $6,284 Filename: McGregor TPCSjds XLSX TPCS