A04_PMIS_351945_SOW.docx

STATEMENT OF WORK AND TECHNICAL SPECIFICATIONS

Roof Replacement – Maintenance Area Gym Project Title: Replace the Roof on the Maintenance Area Gym

PMIS #: 351945

Location: Little River Canyon National Preserve – Maintenance Compound, Fort Payne, Alabama

34.23.35.40 N, -85.36.28.53W Road 103

Estimated Roof Area: Approximately 600 square feet Roof Type: Simple gable roof

1. Project Description The contractor shall provide all labor, materials, equipment, supervision, transportation, and incidentals necessary to remove and replace deteriorated ribbed metal roofing on the maintenance area gym building within the maintenance compound at Little River Canyon National Preserve.

The intent of this project is to eliminate active leaks, prevent future water intrusion, extend facility service life, and improve the Facility Condition Index (FCI) for the maintenance compound gym structure.

2. Scope of Work

2.1 Demolition and Disposal

· Remove existing ribbed metal roof panels, fasteners, trim, flashing, ridge caps, and associated roofing accessories.

· Prevent damage to underlying roof decking and structural components.

· Dispose of removed materials in accordance with local, state, and federal regulations.

· Maintain safe conditions during demolition activities.

2.2 Inspection of Substrate

· Inspect roof decking and structural components after demolition.

· Immediately notify the NPS Contracting Officer’s Representative (COR) of any deterioration or damage.

· Do not proceed with repairs or replacement of structural elements without NPS approval.

2.3 Installation of New Roofing System

· Install synthetic roofing underlayment over entire roof surface.

· Install ribbed, painted steel metal roof panels.

· Install all required fasteners, trim, flashing, closure strips, and ridge caps.

· Seal all penetrations, edges, and transitions to achieve a watertight roofing system.

· Align panels uniformly and fasten per manufacturer specifications.

2.4 Access and Safety

· Provide scaffolding, ladders, and aerial lift equipment as necessary.

· Comply with OSHA construction safety requirements including fall protection standards (29 CFR 1926 Subpart M).

· Follow all National Park Service safety policies and site-specific requirements.

2.5 Site Protection and Cleanup

· Maintain a clean, organized work area at all times.

· Protect adjacent buildings, equipment, and vehicles from damage.

· Remove debris and waste materials regularly.

· Restore disturbed areas to pre-construction condition upon completion.

3. Performance Requirements

· Work shall comply with National Park Service Facility Management Standards.

· Work shall comply with applicable federal, state, and local building codes.

· Installation shall follow manufacturer written instructions.

· Contractor shall coordinate work to minimize disruption to maintenance compound operations.

· Project shall be completed in one construction phase within the contract performance period.

4. Technical Specifications

4.1 Materials

Roof Panels

· Ribbed, painted steel metal panels.

· Minimum 26-gauge thickness.

· Factory-applied baked-on enamel coating.

· NPS-approved color.

Underlayment

· Synthetic roofing underlayment meeting ASTM D226 or approved equivalent.

· UV-resistant with moisture barrier properties.

· Compatible with metal roofing systems.

Fasteners

· Corrosion-resistant screws with neoprene washers.

· Color-matched to roof panels.

· Installed per manufacturer requirements.

Trim and Ridge Cap

· Pre-finished steel matching roof panels.

· Include ridge caps, rake trim, eave trim, flashing, and closures as required.

· All seams sealed to prevent water intrusion.

4.2 Installation Requirements

· Remove all existing roofing materials prior to installation.

· Install underlayment with proper overlap and fastening.

· Install panels square and aligned with roof lines.

· Fasten panels according to manufacturer spacing requirements.

· Install flashing and trim to provide complete weatherproofing.

· Seal penetrations and edges with manufacturer-approved sealants.

5. Quality Assurance

· All materials and installation shall comply with NPS Facility Management Standards.

· Work shall be performed by personnel experienced in metal roofing installation.

· Materials shall be new and free from defects.

· Final inspection and acceptance by the NPS Contracting Officer’s Representative (COR) is required prior to closeout.

6. Submittal Requirements Contractor shall submit the following for review and approval prior to installation unless otherwise noted.

6.1 Administrative Submittals

· Project schedule or timeline.

· Contractor superintendent/contact information.

· Site-specific Safety Plan.

· Fall Protection Plan.

· Equipment list (scaffolding, lifts).

· Proof of insurance.

6.2 Product Data Submittals

· Metal roof panel product data (gauge, coating, color).

· Synthetic underlayment product data.

· Fasteners and fastening system data.

· Trim, flashing, ridge cap, closures, and sealants.

· Replacement decking materials (if anticipated).

6.3 Shop Drawings and Installation Information

· Roof panel layout diagram.

· Flashing and trim details.

· Manufacturer installation instructions.

· Proposed roof color selection for NPS approval.

6.4 Quality Control Submittals

· Manufacturer certification of material compliance.

· Installer qualifications or past project experience.

· Contractor quality control checklist or plan.

6.5 Closeout Submittals

· Manufacturer material warranties.

· Contractor workmanship warranty.

· Maintenance instructions.

· Final product data sheets.

· Photo documentation of completed installation (recommended).

· Written certification installation followed manufacturer instructions.

7. Deliverables

· Removal and disposal of existing roofing system.

· Installation of new ribbed metal roofing system including underlayment, trim, and ridge cap.

· Completion of final inspection and acceptance by NPS representative.

· Submission of all required closeout documentation.

8. Period of Performance Work shall be completed within 30 calendar days from Notice to Proceed unless otherwise specified in the contract.

9. Measurable Outcomes

· Replacement of approximately 600 square feet of deteriorated roofing.

· Elimination of active roof leaks.

· Prevention of future water intrusion.

· Extension of facility service life by an estimated 20–30 years.

· Improvement to Facility Condition Index (FCI) for the maintenance compound gym facility.

Site photo.

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