Sources Sought - Cottonwood Island Pile Dikes.pdf

1. General. This is a SOURCES SOUGHT and is for informational/market research purposes only.

THIS IS NOT A REQUEST FOR PROPOSAL, QUOTATION OR BID, NOR A SYNOPSIS OF A

PROPOSED CONTRACT ACTION UNDER FAR SUBPART 5.2.

This Sources Sought is to gain knowledge of the interest, capabilities, and qualifications of industry so the government can make informed business decisions. We are seeking responses from both large and small business members of industry to include: Small Business, Small Disadvantaged Businesses to include 8(a) firms, Historically Underutilized Business Zones (HUBZone), Woman Owned Small Business (WOSB) to include Economically Disadvantaged Women-Owned Small Business (EDWOSB), Service-Disabled Veteran-Owned Small business (SDVOSB) and Veteran Owned Small Business (VOSB). All interested parties are highly encouraged to respond.

The North American Industrial Classification Code (NAICS) for this requirement is: 237990, Other Heavy and Civil Engineering Construction. The related size standard is: $45.0 million.

Formal Sources Sought Response Due – 13 June 2025 at 3:00 pm PDT.

2. Project Details and Background.

The Cottonwood Island pile dike system is deteriorating; without maintenance, the system will not be capable of performing its authorized function (USACE 2011). The United States Army Corps of Engineers, Portland District (USACE or the District) is responsible for maintaining the Cottonwood Island pile dike system, which presently includes 15 pile dikes located between River Mile (RM) 68 and RM 72 on the Lower Columbia River (LCR). The authorized function of the Cottonwood Island pile dike system is to stabilize the Federal Navigation Channel (FNC). The fully functional pile dike system, when coupled with routine maintenance dredging of the FNC, provides for reliable deep-draft navigation.

The Cottonwood Island pile dikes were constructed in multiple phases, between 1924 and 1968, to redirect flow and reduce the need for maintenance dredging. The intent of the dike structures was to stabilize the channel by preventing its meander towards Cottonwood Island, and to concentrate flow at the terminus of the dike, increasing the energy of the FNC.

3. Project Scope.

Please note that the project is still in the final phases of design, so these are not the final design and scope documents, and all information is subject to change prior to Solicitation.

The design implementation approach for pile dike repairs was revised to allow for focused, cost-effective repairs to select sections of individual structures (rather than repair/enhancement of entire pile dike lengths at all the Cottonwood Island pile dikes). Repair areas are limited to sections of pile dikes that have experienced loss of all or the majority of visible piles to the extent that hydraulic function is assumed to be severely compromised. This change in design and execution approach allows for cost effective repair of only those areas where hydraulic function has been severely compromised, easily accommodates expansion of repair areas and future repairs, and allows easy adjustment of the design based on future inspection and monitoring of function.

Repair areas were defined through a collaborative effort between the design team and the USACE Portland District based on additional visual pile dikes inspections completed by the USACE in 2022 and Q4 2022 high resolution aerial photography. The proposed dike repair areas are shown in Figure-1.

Figure-1: DRAFT Cottonwood Proposed Design (SUBJECT TO CHANGE)

The design includes enrockment repair/enhancement areas at ten pile dikes located at RMs 68.35, 68.57, 68.79, 69.01, 69.25, 69.51, 69.79, 70.07, 71.17, and 71.51, and a shore connection with offset pile dike at five of these pile dikes located at RMs 68.35, 69.01, 69.51, 69.79, and 70.07.

The crest elevations in the limited enrockment repair/enhancement areas maintain the design approach of providing an increased crest elevation to approximately recreate the function of the existing pile dike design, without the need for new pile. The enhanced enrockment crest width is 8-feet. The enrockment repair/enhancement areas center lines are offset from the existing pile center lines to allow for construction without removal of any existing pile. Enhanced enrockment centerline offset distance varies from approximately 5-feet to 14-feet depending on location. Enrockment repair/enhancement is located downstream of the existing pile line except at PD 69.79 which is offset upstream to avoid the need for excessive stone for repair. This downstream location is judged to potentially reduce any damaging hydraulic effects on existing pile due to flow over and/or around the enhanced enrockment area.

An offset pile dike and shore connection is included at five dike locations where there is visual evidence of shoreline erosion and/or lack of sufficient remnant shore connection and the potential for additional near-term to mid-term erosion exists. The configuration of the design now includes the following:

The scour protection and shore connection now have an 18-inch thick layer of bedding stone below a 3-foot thick layer of armor stone to reduce potential settlement of armor stone into sand substrate over time.

The base of the shore connection (stone shoreward of last offset pile) is placed 3-feet below existing grade to reduce the potential for localized scour during higher flow events.

Offset dike piles shoreward of approximate existing ground elevation +4 NAVD88 are cut of at elevation +14.8-feet NAVD88 (OLW) to potentially provide better scour/erosion protection during high flow events.

12-inch timber pile are placed in a single row at 3-feet on center. This provides approximately the same hydraulic function as the staggered pairs of pile shown in the DDR at a reduced cost.

The offset dike pile centerline is approximately 20-feet to 30-feet from the centerline of the enrockment repairs/enhancement, based on location of enrockment repairs enhancement.

Hazard marker piles are now included at the offshore ends of pile dikes 70.83 and 71.59 in Carrols Channel.

Adjustments to the dike stone gradation were not necessary in the development of the design. For consistency with current/recent USACE Portland District pile dike repair design and potentially increased ease and cost savings in stone acquisition, the final enrockment/dike stone gradation was modified to an Oregon Department of Transportation (ODOT) specification. Based on current/recent USACE Portland District pile dike repair designs, the design Armor Stone is specified as ODOT Class 1500 Riprap (Table-1).

Table-1: DRAFT ODOT Class 1500 Riprap (Armor Stone) Design Gradation

Percent by Weight (%) Limits of Stone Weight, LB.

20 1000 – 1500

30 500 – 1000

40 100 – 500

10 10 – 100

Based on current/recent USACE Portland District pile dike repair designs, the bedding layer stone will be a minimum 18-inch layer of ODOT Class 50 stone or equivalent placed in the Offset Pile Dike and Shore Connection areas prior to Armor Stone placement. ODOT Class 50 stone is basically a well graded, broad gradation (1-inch to 10-inches) stone with median size of about 15 lbs. or 6-inches.

The design does not require any demolition (removal of existing pile). The enrockment repair/enhancement sections in repair areas are offset a sufficient distance from the existing pile line to allow for placement of stone without removal of pile. Any debris within the rock placement areas that would interfere with stone placement will be removed prior to stone placement. Debris will be removed from the site and disposed of at an approved upland facility. Debris removal requirements would be based on pre-construction high resolution multi-beam bathymetric survey data.

The design team worked in close coordination with the USACE team to develop the area(s) that would be available to the contractor for access, staging, and construction for the design. Figure-2 identifies potential land-based construction operation locations including beach landing areas, staging areas, and haul routes. The areas identified represent what is available to the contractor for use; actual area(s) used within the boundaries shown will be developed by the construction contractor for approval as part of their access and staging plan. The design does not include land-based work at pile dikes 71.59 or 71.87, access and staging through or on Port of Kalama property is not necessary for the project.

Figure-2: DRAFT Schematic Design for Potential Site Staging and Access (SUBJECT TO CHANGE)

Anticipated Construction Schedule: CENWP intends to advertise in Nov. 2025 and award in March 2026. Construction Contract with estimated construction completion by the end of calendar year 2028.

Estimated Construction Cost (ECC): The current ECC is between $10,000,000.00 and $25,000,000.00.

Ref. FAR 36.204 Disclosure of Magnitude and DFARS 236.204 Disclosure of Magnitude.

Number and Type of Contracts: NWP contemplates awarding one (1), Firm Fixed-Price contract. The acquisition strategy decision has not yet been determined. Maximum Small business participation is being sought at both the Prime and subcontracting levels.

Anticipated Source Selection Process: The expected method to determine the best value to the government is Invitation for Bid.

Project Specific Constraints and Challenges.

a. Address Authorized Functions Only. This is a maintenance project that addresses authorized functions only. New work activities to address new or revised functions are beyond the scope of this project.

Design will be limited to maintaining the project’s authorized functions.

b. Limit Work to the Existing Geographical Area. This constraint limits project work to the present location of the Cottonwood Island Pile Dike System, approximately bounded by RMs 68 and 72.

c. Avoid Adverse Impacts to FNC Navigation: Recommended actions should not cause changes within the FNC that would negatively impact navigation.

d. Avoid Adverse Impacts to Environment or Present FNCs Maintenance. Recommended repair actions should not increase existing dredging requirements for the FNC, nor should the recommended actions cause discernible changes in circulation or sedimentation which could negatively impact navigation or the environment.

4. Questions for Industry:

a. Is there anything in our Project Scope that would discourage you from bidding?

b. Is there anything in our Project Scope that would cause enhanced pricing uncertainty?

c. Are there any market conditions or industry practices that you feel the government needs to be aware of?

5. Submission Instructions. Formal responses to this Sources Sought notice must be submitted electronically (via email) with SUBJECT: Sources Sought – Cottonwood Island Pile Dikes. Please email to Brian Johnson, Contracting Officer, at brian.m.johnson@usace.army.mil and Chris Burroughs Contracting Specialist, at christopher.d.burroughs@usace.army.mil, before 3:00 pm Pacific Standard time on 13 June 2025.

Interested parties’ responses to this Sources Sought shall be limited to six (6) pages and shall include the following information:

a. Firm's name, address, point of contact, phone number, e-mail address, CAGE and Unique Entity

ID.

b. Firm’s bonding capacity for a single contract/project.

c. Firm's business category and size: Large Business (include summary of small business participation metrics), Small Business, Small Disadvantaged Businesses to include 8(a) firms, Historically Underutilized Business Zones (HUBZone), Woman Owned Small Business (WOSB) to include Economically Disadvantaged Women-Owned Small Business (EDWOSB), Service-Disabled Veteran-Owned Small business (SDVOSB) and at the subcontracting level, Veteran Owned Small Business (VOSB).

d. An explanation of the prime firm’s capabilities and the work to be self-performed as it pertains to the proposed work outlined in the Project Scope.

e. A description of work performed under similar project constraints and challenges listed under paragraph 3.

f. Project Examples (for Joint Ventures, please include projects completed by the Joint Venture if available):

• To be considered for a potential set aside strategy, provide a maximum of three (3), minimum of one (1), location, size (tons) and quantity (tons) of stone placed, method of stone delivery, method of stone placement. These project examples must be similar in size, scope and complexity to the work described in paragraph 3 of this notice, with a description of each project (to include pertinent qualitative and quantitative information about featured scope elements), and include the following:

Project Title Contract Number Contract award date Customer name

Description of stone related work Initial contract dollar value Final contract dollar value Initial contract completion date Final contract completion date Customer satisfaction

The Government may verify information in CPARS or PPIRS.

g. Firm's Joint Venture information if applicable - existing and potential.

h. Firm's Bonding Capability in the form of a letter from Surety.

i. Firm's interest and the likelihood in bidding on the solicitation when it is issued. (Refer to planned advertise and performance dates)

j. Responses to the government’s questions in paragraph 4 and any other information the contractor feels the government needs to be aware of.

6. Disclaimer and Important Notes.

a. This notice does not obligate the Government to award a contract. No reimbursement will be made for any costs associated with providing information in response to this Sources Sought or any follow up information. The Government reserves the right to use information provided by respondents for any purpose deemed necessary and legally appropriate. Any organization responding to this notice should ensure that its response is complete and sufficiently detailed to allow the Government to determine the organization's capabilities to perform the work. Respondents are advised that the Government is under no obligation to acknowledge receipt of the information received or to provide feedback to respondents with respect to any information submitted.

b. All interested firms must be registered in the System for Award Management (SAM) at https://www.sam.gov to have size status considered. You must remain current for the duration of the source selection process to be eligible for award of a Government contract.