The Nature Conservancy Request for Proposals – Washington Hebrew Memorial Park Stormwater Retention Construction
Statement of Purpose
The Nature Conservancy is sending you this Request for Proposal (RfP) for proposals from General Contractors (GC) that can construct Green Stormwater Infrastructure Best Management Practices (BMPs) in Washington, DC. The GC will complete a Stormwater Retention Credit (SRC) project at Washington Hebrew Memorial Park (1380 Alabama Avenue SE
Washington, DC 20032) using the engineered stormwater management design plans that can be found at the link here. For more information concerning the drip disposal system contact GeoFlow representative Mike Fugate (mike@geoflow.com). The proposals must identify costs for a fixed price contract and construction schedules. Please submit proposals by June 13, 2025.
Background
The Nature Conservancy (client) is requesting proposals for a GC to build a stormwater retention project that includes bioretention stormwater best management practices (BMPs) that meet the green infrastructure design requirements of the DC Department of Energy and the Environment (DOEE) Stormwater Management Guidebook and 2013 Stormwater Rule. The selected contractor will work in coordination with the client, the contracted engineer (Natural Resources Design), and the property owner, Washington Hebrew Congregation. The contractor will be given access to the site and will report to the client’s representatives on a regularly scheduled basis.
Procurement Process
Procurement activities will be conducted in a nondiscriminatory manner with fair treatment given to all Vendors. The Nature Conservancy reserves the right to reject any and all offers for any reason whatsoever, to waive technicalities, and to pursue purchasing in a manner that is in the best interest of the organization.
Customer’s Obligations
The Nature Conservancy incurs no obligation or liability whatsoever by reason of issuance of this RFP or action by anyone relative thereto.
Vendor’s Obligations
Vendor must analyze and respond to all sections of this RFP providing sufficient information to allow client to evaluate the Proposal. Vendor, by submitting its Proposal, agrees that any costs incurred by the Vendor in responding to this RFP, are to be borne by Vendor and may not be billed to District Stormwater.
Client requests a fixed price for the proposal. Compensation will be on a “not to exceed” cost-reimbursable basis according to the budget included in the successful bidder’s proposal. If the successful bidder identifies additional costs after the contract has been awarded but before it is signed, client may in its sole discretion choose to terminate negotiations and award the contract to a different bidder. Proposed cost can be subject of negotiation.
Vendor shall not use the names, logos, images or any data or results arising from the anticipated contract for advertising without Customer’s prior written consent.
Vendor Submission Requirements
Contractor Qualifications
To be considered for the Project, Consultant must have experience building stormwater retention BMPs in the DC, Maryland, or Virginia area. In addition, knowledge of stormwater retention design, policy, permitting, and contacts with key agencies such as DOEE and DCRA will be considered favorably. Prior experience in DC is helpful but not required.
Deliverables scope of work for the project includes:
The selected GC will provide either in-house or through work with subcontractors the following deliverables to build stormwater retention BMPs:
- Full documentation Reports of all materials and processes used on site to verify that they meet DC permitting requirements and specifications
- As built plans after construction
- Construction of the stormwater retention BMPs to meet the SRC guidelines on a fixed costs basis, including:
- Preconstruction meeting with DCRA and DOEE.
- Silt fence around the area to prevent disturbance.
- Other erosion control practices.
- Tree protection.
- Inspection after excavation, thickness of soil, mulch, plants, and other points during construction.
- Verification of the source of plants and any materials that come on the site.
- Weekly meetings with the representatives of The Nature Conservancy for project updates.
Payments
Proposal will be an all-inclusive lump sum bid and be comprised of and be held to the following submission requirements:
Technical Requirements
The proposal must adhere to the following format and address the requirements defined in each section:
Cost Proposal:
Provide a fixed price fee proposal to provide the work described herein. Compensation will be on a “not to exceed” cost-reimbursable basis according to the budget included in the successful bidder’s proposal. Include breakdown of the cost proposal. If the successful bidder identifies additional costs after the contract has been awarded but before it is signed, The Nature Conservancy may in its sole discretion choose to terminate negotiations and award the contract to a different bidder.
Submittal Deadline:
The bidding process will be conducted in a nondiscriminatory manner with fair treatment given to all prospective bidders. The contractor shall be responsible for any and all costs incurred by the contractor in responding to this request. The contractor’s proposal must contain sufficient information to allow the Project Team to evaluate the contractor’s ability to perform the stormwater retention design and constructions tasks set forth in the project scope, including:
- proposal narrative describing how the contractor will accomplish all tasks and complete the project deliverables;
- a detailed budget itemizing the costs for services and related expenses per task;
- the proposed service team for the Project;
- a description of contractor qualifications, including examples of relevant project experience; and
- at least three (3) references, including a contact name and phone number to reach each reference directly.
- A completed conflict of interest form that will be provided to the selected GC.
The proposal must be submitted in PDF format to Amanda Obosnenko (a.obosnenko@tnc.org).
BID Selection Process
Bids will be reviewed and evaluated based upon each bidder’s qualifications, experience, references, demonstrated understanding of the project, ability to complete the project within the specified time frame. Additional information is provided in the table below. All bidders will be notified of their selection or rejection by email (or other form of writing). Client reserves the right to reject any bid for any reason and is not obligated to select the lowest bidder or any bidder at all, nor will client be obligated to explain the basis for its selection. All material submitted in response to this RFP will become the property of client and may be returned only at the option of client and at Consultant’s expense.
Client shall have no obligations or liabilities whatsoever by reason of issuance of this RFP or actions by anyone relating thereto.
All Rights Reserved
The client reserves the right to cancel this offering at any time for any reason. Client reserves the right to the terms of this offering via written/electronic notice to all submitters of record as of the submittal deadline. Client also reserves the right to ask any proposer for clarification and/or additional information deemed necessary in making its selection(s).
Hold Harmless
By submitting in accordance with this RFP solicitation, submitters agree to hold client, its employees and assigns, harmless from any damages real or projected as a result of this solicitation. Client is not responsible for any costs incurred by the proposer or any of its team member companies in the preparation of proposals. All costs including, but not limited to, staff time, labor, materials and/or delivery fees are solely the responsibility of the proposer.
Confidentiality:
Any data, documentation or other business information furnished by or disclosed to the contractor shall be deemed the property of client and must be returned to the LLC upon request.
Documents Required from Successful Bidder:
The successful bidder will be required to enter into a contract with the client. Selected contractor acknowledges that the client is relying on the contents of the contractor’s proposal in selecting the successful bidder and agrees to the incorporation of some or all of the contractor’s proposal into the contract, if the contractor is the successful bidder. Within ten (10) days after delivery of the proposed contract to the successful bidder, the successful bidder must submit the following documents to client: (a) the executed contract (with attachments); (b) certificates of insurance (naming client and landowner as an additional insured, if requested); and (c) such other documents as may be required under the contract.
Additional Information:
Subcontracting: Any subcontractors must be identified along with the defined work they will perform. The client will not refuse a proposal based on the use of subcontractors but does retain the right to refuse the subcontractors selected. Consultant shall remain solely responsible for all subcontracted work. Permitted subcontractors will be required to comply with the same U.S. Government and Washington, DC Laws and Regulations set forth in the Contract for Services between client and the selected contractor.
Thank you for participating in this Request for Proposals process related to building stormwater retention through green infrastructure at Washington Hebrew Memorial Park. We look forward to receiving and reviewing your proposal(s).
Questions may be submitted to Amanda Obosnenko (a.obosnenko@tnc.org), phone number 484-947-1885.
