A04_SOW_Repair_and_Replace_Existing_Maintenance_Warehouse_Lower_Level_Roof.pdf

STATEMENT OF WORK

TUPELO WAREHOUSE

LOWER ROOF REPAIR & TPO REPLACEMENT

JUNE 2024

ROOF REPAIR AND REPLACEMENT OF EXISTING TPO SYSTEM

(MS)

NATCHEZ TRACE PARKWAY, TUPELO, MISSISSIPPI

PURPOSE:

1. Scope of Work: The Natchez Trace Parkway needs the existing roof system replaced on a lower roof associated with the Tupelo Maintenance Warehouse. This lower roof is approximately 925 SQ/FT in size and the current TPO roof system has reached the end of its lifecycle. In addition, two vent pipes protruding through the roof need to be removed and the deck replaced where the vents where installed. Some water intrusion has occurred, so some deteriorated decking is expected to need replacement. In addition, new flashing needs to be installed where current flashing exists. Prior to the new TPO roof being installed, any low spots must be identified, and a proper slope or fall maintained to ensure water drains appropriately from the roof. The contractor shall furnish all transportation, materials, labor, equipment, and all other services necessary to repair and replace this section of roof. The contractor will be responsible for removal and appropriate disposal of all construction debris.

2. Required Services: The park has identified that the Tupelo Warehouse roof and associated flashing and seals shall be replaced for the protection of the park asset. The Contractor shall be responsible for demolition of existing roof system.

A building drawing will be available with this SOW.

Work items to be completed:

• Remove all old built-up and membrane roofing to expose the roof deck.

• Remove two (2) matching vent pipes and patch holes with plywood or matching decking material.

• Install a ¼” barrier which can mechanically fasten, to provide a moisture, fire resistance, and wind uplift characteristics.

• Furnish and install a commercial grade TPO (60 mil) thermoplastic roof system including all required flashings. TPO membrane should be extended up parapet walls and sealed appropriately using current roofing standards.

• Dual air weld all seams and penetrations.

• Install any terminations, pipe boots, and other roofing accessories to complete roofing system.

• Install any necessary edge metal. Existing gutters and downspouts will remain as is.

• Ensure watertight seals on roof drains, penetrations, and metal.

• Seal joints with manufacturer approved calking or sealant.

• Ensure an adequate slope / fall so that water sheds appropriately from the roof.

This work will be completed on a historic structure and will be accomplished without destroying, removing, or altering features/elements of the structure other than what’s listed here. New penetrations and other intrusions shall be identified, discussed, and approved before work beings.

The contractor is strongly encouraged to minimize landfill waste by recycling or salvaging as much non-hazardous demolition waste as possible.

The roof system should come with a manufacturer warranty and the contractor shall warranty their work for no less than 2 years.

Observed Federal Holidays are:

June 19th,2024 – Juneteenth Independence Day July 4th, 2024 - Independence Day September 2nd, 2024 – Labor Day October 14th, 2024 – Columbus Day November 11th, 2024 – Veterans Day November 28th, 2024 – Thanksgiving Day December 25th, 2024 – Christmas Day January 1st, 2025 – New Year’s Day January 20th, 2025 – Martin Luther King Jr Day February 17th, 2025 – Washington’s Birthday May 26th, 2025 – Memorial Day

3. Location: Tupelo Maintenance Warehouse, located directly across from the HQ and Visitor Center at 2680 Natchez Trace Parkway, Tupelo, Mississippi 38826. Latitude: 34°19'49.60"N Longitude: 88°42'26.73"W

4. Work Schedules & Period of Performance: All work must be completed between the hours of 6:30 AM and 4:30 PM, Monday thru Friday, excluding Holidays, except when otherwise indicated. A proposed schedule of work for the project construction shall be submitted to the COR for approval 5 days prior to starting construction. The work must be planned and executed to minimize conflict with the office daily activities. The contractor shall have 30 working days to complete all work awarded under the base items. A working day shall be considered every day that does not fall on a Federal Holiday, Saturday, or Sunday. In case of rain or other weather-related delays, time may be extended. The Contractor may provide documentation as to which days within their Period of Performance time should not be charged due to weather, to the COR for Review and Approval.

5. Supplies, Materials, and Equipment: None provided by the National Park Service, Natchez Trace Parkway. The Contractor may store materials and equipment at the work site at their own risk, in a predetermined area. All materials must be kept in these designated areas determined by the COR and must remain neat and orderly. The maintenance yard is a secured facility and access can only be gained during business hours.

6. Conduct of Contractor's Employees: The contractor and all of contractor's employees shall treat all visitors to the area and NPS employees with courtesy and respect. Any violation of this provision will be cause for immediate removal from the Parkway and possible termination of this contract.

7. Key Control: National Park Service personnel will be on site and access is only available when National Park Service personnel are present. The grounds and building are controlled and access to the facility or grounds are only available during hours of operation specified under Work Schedule.

8. Safety: The contractor shall provide a Safety Plan prepared and submitted to the COR before work can begin. The Safety Plan should be a written document that describes the process for identifying the physical and health hazards that could harm workers, procedures to prevent accidents, and steps to take when accidents occur. The written safety plan is your blueprint for keeping workers safe. The plan needs to compile the list of activities and what hazards exist and what safety equipment will be used to prevent accidents from occurring. The plan needs to include 24-hour emergency contact information.

A. All reportable accidents, which are those resulting in death, occupational disease, traumatic injury to employees or the public, fires, and property damage by accident more than $100, shall be reported to the Contracting Officer and COR immediately. Within 7 days of a reportable accident, the contractor shall fill out and forward to the Contracting Officer an Accident/Property Damage Report.

B. If the Government determines that the Contractor did not use reasonable care for Government property and caused damage to or loss of said property, the Contractor shall repair the damage or replace the property at no cost to the Government. If the Contractor fails or refuses to make such repairs or replacement, the Contractor shall be liable for the cost, which shall be deducted from the contract payment.

C. The interruption of mechanical and electrical services to other parts of the building shall be coordinated with the designated COR.

D. Nonsmoking Building/Tobacco Use/Vaping: Smoking and all tobacco use is not permitted within the building or within 25 feet of entrances, operable windows, or external air intakes.

E. No firearms are allowed in government buildings except for on duty law enforcement officials.

F. The Contractor shall comply with pertinent provisions of the Occupational Safety and Health Act (OSHA), state, and local safety laws and regulations.

G. The Contractor shall comply with pertinent local, state, and federal environmental protection laws and regulations.

H. The Park safety officer has the authority to issue restraint or cease-and-desist orders to the Contractor when violations or unsafe acts are present and threaten Government personnel or property, by Contractor employees.

9. Contractor License, Insurance, and Other Requirements: Contractor must be licensed and insured in the state of Mississippi, in areas where licensing is a requirement or for any required or necessary work to be completed at the job site.

A. Contractor Responsibilities: The contractor (including General Contractor and Subcontractors) shall have proven experience and expertise in the following fields:

• Membrane roofing installation

• Flat roof systems

10. Contractor Performance Evaluation:

a. All services performed under this contract shall be subject to inspection and approval by the Contracting Officer or their designated representative.

b. Inspection is governed by the contract clause "Inspection of Services." "Services," as used in this clause, includes services performed, workmanship, and material furnished or utilized in the performance of services.

c. The Government has the right to inspect and test all services called for by the contract, to the extent practicable at all times and places during the term of the contract. The Government shall perform inspections and tests in a manner that will not unduly delay the work.

d. When all the tasks required by the Statement of Work have been accomplished in a complete and skillful manner, then the work will be considered acceptable. However, should one or more tasks required not be completed or completed in a manner which is unacceptable to the Contracting Officer or his designated representative, then the services will be considered unacceptable.

The decision of acceptability rests with the Contracting Officer, whose decision is final.

e. If any of the services do not conform to contract requirements, the Government may require the Contractor to perform the services again in conformity with contract requirements, at no increase in contract amount. If required, the contractor shall correct deficiencies within twenty-four hours of notification of defect. When the defects in services cannot be corrected by reperformance, the Government may (1) require the Contractor to take necessary action to ensure that future performance conforms to contract requirements and (2) reduce the contract price to reflect the reduced value of the services performed.

f. If the Contractor fails to promptly perform the services again or to take the necessary action to ensure future performance in conformity with contract requirements, the Government may (1) by contract or otherwise, perform the services and charge to the Contractor any cost incurred by the Government that is directly related to the performance of such service or (2) terminate the contract for default.

11. Payments: The government will make a lump sum final payment for the services under this contract once all aspects of the required work have been completed. The contractor must use the IPP system to submit invoices. ipp.gov

12. Project Restrictions: The following restrictions apply to this contract.

a. Any damage caused by the contractor’s equipment shall be rehabilitated to the original condition or state.

b. Access routes for the Parkway shall be the closest Parkway access to the area where the contractor is working.

For this project, access can be gained without entering onto the Parkway via MS-145.

c. When hauling on National Park Service roads, do not exceed the following load restrictions:

Single Units Gross Vehicle Weight –Lbs.

2 axles 40,000 3 axles 48,000

4 or more axles 52,000 Combination Units 3 axles 57,000 4 axles 62,000 5 or more axles 66,000

Where the ground is saturated with water or during periods of freezing and thawing, the Contracting Officer may impose further load restrictions or suspend hauling.

Haul vehicles shall turn around only at intersections and parking areas, not on the Park Road.

d. Operate loaded vehicles hauling material at speeds not exceeding 40 MPH and spaced at 500-foot minimum intervals.

On bridges, speeds shall not exceed 25 MPH and not more than one loaded hauling vehicle shall be allowed on any bridge at one time. Hauling of materials, supplies, and equipment over the park road, other than within the limits of the project, shall not be permitted without prior approval of the Contracting Officer. Load restrictions on park roads are identical to the state load restrictions with such additional regulations as may be imposed by the Contracting Officer. Vehicles shall not be counted for the purpose of load determination unless they are equipped with brakes. Trucks and other heavy equipment shall be confined to the limits of the project on the park road. Hauling of materials, supplies, and equipment over the park road, other than within the limits of the project, shall not be permitted except as is necessary to perform the required work and the contractor shall be required to haul on non- Parkway roads to the maximum extent possible.

e. Material shall not be piled on the Parkway shoulders or allowed to accumulate except during hauling or chipping operations. All road shoulders shall be kept free of debris. and left free of debris at the end of each workday.

Any necessary interruptions in traffic flow shall be always minimized. Extra care is required to make sure material along shoulders do not encroach into the roadway at any time.

f. No unauthorized dumping of the material is acceptable.

The contractor is strictly responsible for properly disposing of removed material and shall be liable for any fees or fines associated with improper hauling or disposal.

13. Protection of Vegetation, Structures, and Utilities: The Contractor shall preserve and protect all structures, equipment, and vegetation (such as trees, shrubs, and grass) on or adjacent to the work site, which are not to be removed and which do not unreasonably interfere with the work required under this contract. The Contractor shall only remove trees when specifically authorized to do so and shall avoid damaging vegetation that will remain in place. The Contractor shall protect from damage all existing improvements and utilities at or near the work site, the locations of which are made known to or should be known by the Contractor.

14. SITE VISIT: Each bidder is urged to visit the site prior to bidding.

15. PHOTOS OF CURRENT ROOF (BELOW):

Figure 1 Roof with two vents to be removed. Only the two lower vents are to be removed.

Figure 2 Current roof system.

Figure 3 Photo of building with lower roof (right side of photo).