Enos and Partridge Hill Road Improvements

Project Background

The Lake Iroquois Lake Watershed Action Plan, completed in 2024, provides a comprehensive assessment of the Lake Iroquois and adjacent Patrick Brook watersheds. The study evaluated water quality, hydrology, and existing infrastructure throughout the watershed and identified a series of stormwater mitigation projects aimed at improving flood resiliency, reducing nutrient loading and protecting aquatic habitat. Two highly ranked projects included improvements to stormwater infrastructure along Enos Road and the Partridge Hill Road system, including Red Pine Road, all located in the Town of Hinesburg, Chittenden County, Vermont.

These project areas lie within a forested, low-density residential portion of the Patrick Brook watershed, which drains into Lake Champlain via the La Platte River. Stormwater runoff from the neighborhoods flows into Patrick Brook after first passing through an approximately 8,000 m² wetland. The roads themselves are privately owned and unpaved, with a mix of gravel and dirt surfaces.

Enos Road is approximately 600 meters in length and does not run adjacent to any perennial stream. Its drainage area is primarily forested, with the only developed areas being residential lots and a narrow utility corridor. Partridge Hill Road runs parallel to a tributary of Patrick Brook for roughly 400 meters, with the stream eventually passing under the road and into the downstream wetland. Red Pine Road, a spur off Partridge Hill, shares similar characteristics in land use and hydrologic connectivity.

Given the existing conditions and land use, the proposed project will focus on implementing green stormwater infrastructure (GSI) practices appropriate for rural, forested roadways. These practices include the installation of vegetated swales, upsized culverts to restore and improve hydrologic flow, and sediment traps to reduce erosion and sedimentation downstream. All proposed improvements are consistent with the rural character of the area and are designed to work in harmony with the existing landscape and drainage patterns.

We are currently seeking engineers to oversee the implementation of these road improvements in Hinesburg, VT.

Scope of Services Requested 

Task 1: Finalize Engineering Designs 

• The engineering contractor will be responsible for advancing the project design from the current 30% design level (Attachment C – 30% Design Plans) to a 100% (final) design level. This includes incorporating possible feedback from stakeholders, meeting applicable regulatory and design standards, and preparing all documentation required for final permitting and construction planning.
• Deliverable: File with Final Designs 

Task 2: Pre-Construction Support

• The engineering contractor will provide support to WNRCD in completing and submitting all necessary permits. 
• The engineering contractor will create a permit requirements checklist to be used during the construction phase.
• The engineering contractor will provide support in evaluating earthmoving contractor bids to assist WNRCD in selecting a qualified construction contractor.
• The engineering contractor will facilitate an on-site pre-construction meeting attended by engineering contractor staff, construction contractor, regulators, and WNRCD staff. The engineering contractor will create an agenda, record meeting minutes, and share meeting minutes with attendees following the on-site meeting. This task must also include time for follow-up time coordination with regulators, the construction contractor, and WNRCD. The proposed budget should also include mileage for travel to and from the site.
• The engineering contractor will also be prepared for as-needed tasks and communications.
• Deliverables: Completed permits, agenda and minutes from pre-construction meeting, memo with construction contractor bid recommendation.

Task 3: Construction Oversight

• The engineering contractor will provide on-site construction oversight for critical construction activities. This oversight will include at least one site visit per week, the completion of daily construction logs compiled into weekly reports for the WNRCD and regulatory agencies as needed, hours for project management and coordination (including availability for phone calls and email communication with the construction contractor, WNRCD, and regulatory agencies during construction when not on site), one on-site final project walk through with the construction contractor, WNRCD, the project engineer, and identification and documentation of punch list items. 
• Construction oversight time can also be broken into shorter, more frequent, site visits depending on the project needs. As such, the proposed budget should also include mileage for travel to and from the site, with this flexibility in mind. 
• Deliverables: Weekly construction reports

Task 4: As-Built Survey and Construction Phase Close-out

• The engineering contractor will complete an as-built survey after final punch list items have been completed. The engineering oversight contractor should take into consideration the size of the site, and the scope of this task when budgeting.
• The engineering contractor will complete project close-out tasks, including notices to regulatory agencies, such as certifying the completion of the project per design.
• Deliverables: Any closeout memos to regulatory agencies, as-built certification. 

Schedule

The engineering contractor should anticipate the the following timeline: 

Permits

No permits have been secured. Winooski NRCD has begun working with Vermont Department of Environmental Conservation Wetlands, Vermont State Historic Preservation Office, and the Army of Corps of Engineers to identify necessary permits. 

Proposal Submission Guidelines 

All proposals must include:

• The name and contact information of the engineer who will perform the work, and their firm (if applicable). A list of staff who will be part of the project team, brief description of their qualifications, and their hourly rates. The resume of the engineering firm and others expected to work with the engineering firm.
• The fee requested by the engineering firm with a cost breakdown by task and split across labor, supplies, with specifications for project or services including quantity, design, etc., and other categories as appropriate. All costs associated with developing or submitting documents in response to this solicitation and/or in providing oral or written clarification of its content shall be borne by the bidder.
• A description of the engineering firm’s relevant experience demonstrating familiarity and experience with similar projects. Photos or diagrams of the consultant’s work may be added as a supplement to this section.
• A list of at least two references familiar with the engineering firm, including the name, email, and telephone number of each reference.
• A proposed timeline with identified milestones for completing the scope of services requested, including a final delivery or completion date. Please use the project schedule for guidance.
• A description of the approach to be taken in addressing the scope of services detailed above. Specific tasks need to be thoroughly described and any proposed additions or changes from this request clearly highlighted. 
• A description of any tasks that will be subcontracted, including the names of possible subcontractors.

Please email proposal submissions in PDF or Word format to contact listed above. Paper copies will not be considered. Proposals will be accepted up until the due date as listed above. Please submit all questions to the contact listed above. Proposals should note and explain/justify all confidential or proprietary items in their responses.

Project Budget

Bids exceeding $20,000 amount will not be considered. All payments will be made after satisfactory completion of each deliverable as outlined in an agreement between the Winooski NRCD and the selected entity. Note that contract payments are contingent upon review, approval and acceptance of contract deliverables by Winooski NRCD staff.

Type of Contract

Winooski NRCD anticipates that, if a contract is entered into as a result of this RFP, it will be a contract of “not-to-exceed amounts” for the tasks identified in the Scope of Services.  

Site Visits

Parking is available on the road. Private property should be respected. 

Contractor Provisions

All contractors must comply with any and all applicable laws, statutes, ordinances, rules, regulations, and/or requirements of federal, state, and local governments and agencies thereof which relate to, or in any manner affect the performance of this agreement. Those requirements imposed upon the Winooski NRCD, as recipients of funds are thereby passed along to the contractor. All contractors must comply with all pertinent federal, state, and local laws and must carry adequate insurance coverage. Selected firm will be expected to meet state minimum standards for worker’s comp, insurance and liability coverage and to comply with all Standard State Contracting Provisions (Attachments A and B). Firms will need to provide Winooski NRCD with a Certificate of Insurance and a W-9 prior to contract execution. 

Project Partners and WNRCD

Project partners include representatives from the Road Associations, Lake Champlain Basin Program and New England Interstate Water Pollution Control Commission (Funders), and the Lake Champlain Sea Grant. 

Winooski NRCD is an equal opportunity employer.  Review of proposals shall not discriminate on the basis of race, religion, national origin, color or sex. Thank you for your interest!