HRWAT_SectC-StmntWork.docx

US Department of Agriculture (USDA)

Statement of Work Huntington Ravine Winter Access Trail Bridge Replacement

Contents

Project White Mountain National Forest, Huntington Ravine Winter Access Trail Bridges Replacement

General Information

1.0 Scope of Work

The Forest Service (FS) is soliciting bids for replacement of five bridges on the Huntington Ravine Winter Access Trail. Access to the trail is out of the AMC Pinkham Notch Visitor Center, 361 NH -16 Gorham, New Hampshire, Coos County, within the White Mountain National Forest, Androscoggin Ranger District.

The contractor shall provide all expertise, labor, supervision, services, equipment, tools, supplies, permits (as applicable), coordination with utilities, transportation, and incidentals necessary to complete the work described. The desired outcome is completed installation per the standards attached to this solicitation, and adherence to the contract awarded. The awarded contract shall constitute the entire agreement including all terms and conditions applicable to the contract. Work shall be completed as shown in the drawings, maps, specifications, and exhibits as referenced or included in this contract, and in accordance with applicable federal, state, and local regulations.

Work will include demolition of five existing trail bridges and unused material to be dispose of off FS lands. Construction of the new trail bridges of varying lengths. Bridge length are 41 foot (overall length) 24 ft main span and 17 ft approach span, two 26 foot bridges, a 30 foot and 24 foot bridges. Four bridges are single span steel girder bridges with a timber plank deck on steel grade beam foundations. The 41 foot bridge is steel girder bridge with timber dowel-lam deck on steel grade beam foundations. Bridge plans provided show what the structures will use; steel stringers, a timber decks and abutments. Additional work includes but not limited to, approach surface treatment, removal of existing materials and placement of riprap. All construction will be following the attached plan set.

2.0 Background

The existing five trail bridge structures are varying lengths multi-beam steel stringers with timber decks and wearing surfaces.

Contractor Requirements

3.0 Technical Requirements / Tasks

Permits- The contractor shall obtain additional permits, or amendments to Government obtained permits, as necessary for their operations as required by local, state, and federal regulations.

Trees shall be cut between November 15th and March 31st.

Access Route- The contractor is responsible for any damage made to the access trails and adjoining trails while navigating to each bridge or at staging locations.

State Rare Alpine Plants- The contractor shall avoid all state listed plants that have been flagged during construction activities including the transport of materials, equipment movement, and daily site traffic. One location is in and along the access trail before the Havard Cabin and the other is located on the edge of bridge four. As stated, all locations will be flagged by Forest Service staff. Contractor will supply the COR with their plan on how they will protect impact to plants.

Staging Area- The Contractor shall coordinate with the CO on a staging area location(s). The Contractor shall operate all equipment and store, transport, and handle material in a manner that will not damage existing roads, parking lots and landscaping.

Landscaping Preservation- The Contractor shall confine operation to within the clearing limits designated, and prevent the depositing of rocks, excavated materials, stumps, or other debris outside these limits.

Equipment shall be clean and properly maintained. Leaking or faulty equipment shall be repaired or removed. Refueling, greasing, or servicing of equipment shall be in controlled areas away from surface waters.

All tracked vehicles shall be clean of debris and soil. FS to inspect tracked vehicles before they enter onto FS land.

If, prior to or during excavation work, items of archaeological, paleontological, or historic value are reported or discovered, or an unknown deposit of such items is disturbed, the Contractor shall immediately cease excavation in the area so affected. Contractor will then notify the Forest Service and will not resume excavation until written approval is given by the authorized officer.

Erosion Control- The Contractor is responsible for implementing temporary erosion control. Establish erosion protection and dewatering methods prior to conducting excavations. Maintain erosion control measures, and improve and replace immediately any non-functioning measures, throughout the course of the project and until site stabilization has been established.

Schedule and conduct operations to minimize erosion of soils and to prevent silting or muddying of stream, rivers, irrigations systems, or impoundments.

Dewatering – The Contractor is responsible for all dewatering activities. Conduct dewatering suitable to protect the landscape from the activities, and as needed to isolate the work from streams and protect the work from damage.

Spill Prevention- The Contractor shall prepare for approval, and adhere to, a Spill Prevention, Control, and Countermeasures Plan suitable to protect environment from the Contractor’s operations.

Pollutant such as fuels, lubricants, bitumens, sewage, hazardous, or otherwise harmful shall be controlled at the site and prevented from release to the environment. All contaminated soil, vegetation or debris resulting from Contractor’s operation shall be immediately contained and within 24 hours shall be removed from site and legally disposed.

Control the discharge of non-hazardous wash water through sufficient siltation treatments, such as filters, barriers, or settlements. Dispose of and materials containing hazardous-substances legally off national forest system lands.

Electrical- There is no electrical service on this project.

Services – Potable Water and Toilet Facilities are not available in this location. The Contractor is responsible for providing temporary sanitation facilities as necessary.

Existing Utilities – The Contractor shall ensure locations of any utilities prior to excavation, trenching, or other ground disturbing activity. The Contractor shall be responsible for materials that are stored on site. Secure completed work as required to prevent loss.

Maintenance of Traffic- The Contractor shall have all temporary construction signs and traffic control measures in place prior to beginning work. Plans contain a proposed plan. Traffic Control plans to be approved by White Mountain Forest Service. The Contractor is authorized to use roads under the jurisdiction of the Forest Service for all activities necessary to complete this contract, subject to limitations and authorizations shown on the Plans or specified under this contract, when such use will not damage the roads or National Forest resources, and when traffic can be accommodated safely.

Security and Protection – Security is the Contractor’s responsibility. Limit access to the construction area to persons involved in the work. Provide secure storage for materials that are stored on site. Secure completed work as required to prevent loss.

Barricades, warning signs, and lights shall comply with standards and code requirements for erection of structurally adequate barricades. All road warning signs, barricades, and traffic control devices shall conform to MUTCD. Where appropriate and needed, provide lighting, including flashing red or amber warning lights.

The Contractor shall barricade and block all access to holes with orange plastic fence, flashing amber lights, or warning signs. Holes or trenches shall not be left open more than 24 hours unless approved by the CO.

Protection of Improvements- The Contractor shall complete sequences of construction activity to prevent damage to equipment, material, and articles incorporated into the work covered by this contract. Contractor shall replace, or repair, as approved by the CO any improvements, covered under this contract or already existing, damaged by contractor’s operations.

Before shutting down operations, take all necessary precautions to prevent damage to the project, such as temporary detours, approaches, crossings, or intersections; and provide for protection of surface drainage and minimization of erosion and prevention of spills.

Site Cleanup- The Contractor shall be responsible of solid waste disposal and personnel sanitation. The Contractor shall always keep the area in a clean, neat, and orderly condition. Construction related debris including, but not limited; to used motor oil, oil cans, grease cartridges and refuse shall be removed promptly from the site and disposed of in a lawful manner off National Forest System lands. Fees for the use of landfills or transfer stations shall be paid for by the Contractor if there is a change.

Other Operations- The Contractor shall avoid interference with the operations of other contractors or projects in the area.

4.0 Government Furnished

None

5.0 Drawings

Drawings The following plan sets are applicable to this project and included as attached,

Prosecution of Work The Contractor shall conduct work within the work periods shown below, and in accordance with applicable permits or regulations. Activities not otherwise restricted may be scheduled at contractor’s preference, when consistent with material limitations, manufacturer’s instructions, and in accordance with approved work schedule and suitable advance notification as required. Work shall be conducted safely, performed diligently, in a workmanlike manner adhering to Plans and Specifications and instructions, and be completed promptly. Contractor shall not suspend work area prior to implementing appropriate stabilization and site protection measures, and without approval of COR.

6.0 Deliverables / Schedule

Pre-bid Meeting Pre-bid meeting will be scheduled.

Prospective bidders wishing to visit the site on their own may obtain directional information by contacting Bryanne Thompson at the Forest Supervisor’s office, White Mountain National Forest, Campton.

Mobilization and Deliverable Materials Contractor is allowed to use the trail during winter months.

The contractor is responsible for the delivery of materials to the site. The terrain is treacherous and difficult. The contractor is allowed to use the trail during the winter months as well as during the dry season. Trail will have to be restored to pre-disturbance as identified in Access Route section. Use of air transport, helicopter, is allowed and will have to be scheduled at least 3 months in advance, coordinated with the forest service including but not limited to the COR, and district ranger. All permitting and clearance is the responsible of the contractor as indicated in Permit section.

Start Work It is estimated that work will begin around August 25th, 2025, or as allowed by contracting. Site disturbing activities shall be performed consistent with the periods of restrictions noted in the Plans, Permits, or other instructions.

Period of Performance Work shall be completed by June 28th, 2027. The period of performance includes pre-construction and construction activities such as: obtaining permits approvals, submittal of fabrication and manufacturing proposals, ordering and delivery of materials; and performance of the work.

Submittal and Notifications In addition to submittal of permits, bonds, and other forms required under the contract provisions; below is summary of key submittals and timeline, contractor shall refer to and adhere to applicable submittals and certifications noted in the Plans and Specifications for complete requirements.

Submittal Schedule:

Manufacturing test results and Material Production certifications As required

* "List of Subs & Suppliers" assumes that an Item which meets Specifications as written is supplied. Evaluation of product substitution requires review and approval by the CO/COR and may require longer schedule.

Notification Schedule:

The following events require an advance written notification to the COR. Notifications may be faxed, mailed, emailed, or hand delivered.

7.0 Specifications

This project uses the Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects (FP-14), U.S. Customary Units; available by reference and download from https://hlh.fhwa.dot.gov/resources/specs/fp-14/fp14.pdf Please note the attached FS supplemental Specs. Attachment Plans, location map and FS supplemental Specs.

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