MEM RCAG Roofing Overlay and Upgrades SOW.pdf

FEDERAL AVIATION ADMINISTRATION SCOPE OF WORK

ROOFING, FASCIA, PAINTING AND FENCE REPAIR FOR

MEMPHIS REMOTE COMMUNICATIONS AIR TO GROUND

MEM RCAG

Memphis, TN 38118

(LAT/LONG: 35° 0'27.94"N, 89°55'53.66"W)

(35.007761 -89.931572)

1. STATEMENT OF WORK

The Federal Aviation Administration has a Radio Communications Air to Ground (RCAG) site in Memphis, TN that provides radio communications for air navigation for pilots on a twenty-four hour basis. The roof on the MEM RCAG is a standing seam metal roof with some leaks, and it has been determined that a Silicone Roof Coating Restoration (RCR) System over the existing metal roof will be used to restore it. Additionally, some minor fascia work, concrete block-wall painting, minor fence repairs and brush clearing outside of the fence is required to address issues at the site. The Contractor shall execute and complete the following scope of work for the installation of the roofing overlay system. The contractor shall furnish necessary equipment, materials, labor, and supervision to perform the following work at the MEM RCAG located at 3986 E. Holmes RD, Memphis, TN 38118 (LAT/LONG: 35.007761 - 89.931572). The facility is a navigational aid that provides information to directly to aircraft for navigation. Access to the roof must be coordinated with the local point of contact to ensure that there is no interruption of service to the flying public. Work within this area requires escort.

1. Install 6 mil plastic covering over all electronic equipment inside the RCAG shelter.

Provide a protective moisture barrier plastic cover over all electronic equipment, control panels, and power panels prior to start of work on roof.

2. Pressure wash entire roof (Approx 25’ x 50’)surface using roofing material manufacturer’s recommended product. Wash roof and all other areas to receive new coating, to remove all dirt, dust or coatings that are delaminating. Contractor must provide their own water supply for power washing roof. (See Figs. 8, 9) (Submittal Required)

3. Contractor shall make every effort to mechanically eliminate all ponding water areas on the roof surface prior to application of any roof-coating product.

4. Rust: Treat all areas and metal with any rust or metal roofing with original factory finishes with a primer approved by the roofing material manufacturer. (Submittal Required)

5. Fasteners: All fasteners must be re-tightened; all stripped fasteners must be replaced with larger diameter and encapsulate the fasteners with a product recommended by the roofing material’s manufacturer.

6. Gaps: Any large or excessive gaps existing between roof panels must be closed or made flush with self-drilling fasteners.

7. Horizontal Seams: Apply a 4" wide layer of a flashing-grade of the roofing manufacturer’s product. (Submittal Required)

8. Vertical Seams: Reinforce all vertical seams: Apply a 2" wide layer of flashing grade product.

9. Standing Seam: Ensure all vertical seams are thoroughly checked to make sure they are properly seamed. If loose seams are found the installer should follow original panel manufacturer’s instructions to ensure proper installation of metal.

Roofing System: Entire Roofing Overlay system must be as manufactured by one roofing manufacturer.

10. Apply roofing overlay product over entire roof with the following salient characteristics:

a) Viscosity: 4500 cps

b) Elongation: 233 ± 20%

c) Tensile strength: 273 ± 20 psi

d) Volume solids: 55 ± 2%

e) Color: White

11. Warranty – The contractor shall provide a written manufacturer’s ten year warranty at the close of the project. The warranty shall cover all costs associated with any failure of the roof covering over the warranty period. The warranty shall identify the project, contractor, manufacturer, and the system used.

Care shall be taken on roof and fascia near power conductors feeding facility (See Pic )

Painting

12. Scrape loose paint from wood around perimeter of facility below roof line. Approx dimension:

150 linear feet. (See Figs 3, 4, 6, 7)

13. Provide and install exterior wood primer and one finish coat (white) Acrylic Paint. (Submittal

Required) for all wood (fascia, soffit)

14. Provide and install a high-solids, low-VOC, heavy metal-free primer, that can be top coated with acrylic coatings for all vent hoods (4) and metal doors (2). (See Figs 3, 4, 6, 7) (Submittal Required)

15. Power wash exterior of facility using a low VOC Mildew removing House Cleaner.

(Submittal Required) Contractor must provide their own water supply. (See Figs. 3, 4, 5, 6, 7)

16. Apply one coat of exterior acrylic latex paint to metal hoods and doors (white). (Submittal

17. Provide and install two coats of exterior acrylic latex paint to existing painted block walls of shelter (white). Approximate dimensions 150 x 9.5 ft. (See Figs. 3, 4, 5, 6, 7)

18. Fiberglass boxes must not be painted. (See Fig 5)

Minisplit Install

19. Remove two (2) window type air conditioning units and replace each with one (1) split 21

SEER ductless system, 24,000 BTU (1 ton) Heat Pump with hyper heat, single phase 208V.

(Submittal Required) (See Figs. 5, 10)

20. Contractor shall be responsible for removal and proper disposal of removed wall window units in accordance with industry and local regulations.

21. Patch the exterior walls with 18 GA galvanized steel sheet with and 3/4” plywood inside (painted white) with R13 insulation in the space between the metal sheet and plywood.

Secured to the building to ensure the building remains watertight.

22. Provide and install wall sleeve through the galvanized and interior wood plates for refrigerant line set similar to Fortress Rectorseal filled with spray foam and trim after drying. (Submittal

23. Provide and install appropriately sized Line Set Cover (Fortress or equal – Ivory Finish) assemblies shall be provided and installed outside the shelter, to the outside unit. (Submittal

24. Install a 2 pole outside fused NEMA 3R disconnect (30A, 240V, Fused at 20 Amps or in accordance with manufacturer’s instructions) to the ductless system condenser for the building (Submittal Required).

25. Disconnect shall be installed approximately 60” above finished grade.

26. Provide and install grounding bushings on 3/4”Rigid Galvanized Steel conduit, and tie green ground wire to grounding bushings, and to a ground screw. Paint shall be removed from inside box to ensure a good bond, when the conductors enter the building. Forked lug shall be crimped if using stranded wires.

27. Conduit and fittings shall be no less than ¾”. If exposed to the outside, or below 4 feet inside, the conduit shall be Rigid Galvanized Steel. All fittings shall be threaded, or compression. No set screw fittings shall be accepted.

28. All hardware used shall be stainless steel, and cut members shall be sprayed with cold galvanizing spray.

29. Install compatible wall bracket or pad for the condenser pack, outside. If a pad is used, the ground shall be level so that the Condenser sits level. (Submittal Required)

30. Provide and install PVC drain and ensure that condensate drains away from unit.

31. Current carrying conductors for power shall be sized in accordance with the National Electric Code (NEC) and color coded Black, Red, Blue for phases ABC respectively. Control wires may be stranded. Power conductors for disconnecting means for minisplit shall be solid wire THHN/THWN, or must have crimped forked lugs at all terminations.

32. All electrical work shall comply with NEC, and FAA Stds. Existing conduits and conductors may be reused if in compliance with NEC. All interior electrical conduits above 4’ may be electric metallic tubing (EMT) with compression fittings. Below 4’ above finished floor (AFF) and all exterior shall be Rigid Galvanized Steel (RGS) with threaded fittings.

Liquidtight metal flex with compression fittings shall be used from exterior disconnect to the exterior vibrating equipment in lengths not to exceed 6’ (condenser or package units).

Liquidtight metal flex may be 1/2” from disconnect to condenser, if in compliance with NEC.

The contractor shall coordinate all terminations within power panels (if required) with the

FAA.

Fence Repair

33. Provide and install heavy duty galvanized barbed wire to repair damaged barbed wire where shown. (See Fig 18 Typical)

34. Straighten Post and Repair fence fabric (See Fig 17, 20)

Tree/Brush Removal

35. Remove all trees and underbrush within a 25 feet of the existing fence line on the three sides of the facility property. Trees have been recently cleared, and most work will be shrubs/saplings.

(See Figs 17, 18, 19, 20)

36. Grind all stumps to facilitate brush hogging.

37. Mulch debris on site. No onsite burning shall be acceptable. Spread mulch out evenly over the mulched areas. Ensure that mulched pieces are approximately 6” or smaller.

38. Care shall be taken during the removal of trees along all fence lines. The contractor shall be responsible to repair/replace all fencing damaged as part of the tree removal. Temporary repairs shall be done at the close of each day if fence has been damaged, to ensure the security of all properties. Final repairs to fencing may be done after tree removal has been completed.

The General Contractor (GC) shall be expected to work Monday through Friday during the day time hours of 0700 AM to 0330 PM unless alternatively coordinated in advance with the Contracting Officer Representative (COR). Coordination between the GC and FAA personnel shall be required at all times in order to maintain an operational facility.

Any discrepancies between the contract provisions and the actual site conditions shall be referred to the Contracting Officer (CO) for a written determination in accordance with Contract Clause entitled Order of Precedence.

2. SITE ACCESS/CONSTRUCTION LIMITS

1. Contractor shall maintain access to the site at all times.

2. Construction/demolition shall in no way interfere with FAA Operations. Extreme care shall be exercised so as not to cause any interference or interruption of service provided by this facility. It is mandatory that the contractor protect FAA personnel and existing communications equipment. Any damages incurred, as a result of construction activity during the performance of this contract will be repaired/replaced immediately by the contractor at no cost to the FAA.

3. Any work or activity that may impact the FAA, such as work on critical equipment or circuits, will require coordination with the COR. The COR will coordinate with the local facility personnel to address develop an activity specific “Risk Assessment” for the facility’s final approval. This process may take a full day to complete.

4. Vehicles transporting materials shall not be loaded beyond the capacity prescribed by federal, state, or local laws. Obstruction of existing roadways, driveways, to the facility is strictly prohibited.

5. Damage to existing paving, lawns, and utilities caused by the contractor's activities shall be repaired immediately. Any damages that are a result of the contractor’s activities shall be repaired. All costs of repairs shall be paid by the contractor. After notice to proceed and prior to the commencement of construction, the contractor and COR shall conduct joint inspections of the existing areas affected by the construction. Existing damage or defects shall be noted and will be used as the basis for determination of damages caused by the contractor's operations.

6. It is strongly urged that the contractor carefully examine the premises to determine the extent of work and the conditions under which it must be done.

7. The Government reserves the right to enter the construction area at any time for work inspection and for the operation of the facility.

8. At the end of each work day, the contractor shall secure all construction areas. The contractor is responsible for the security of the staging area, and shall provide the required measures at no additional expense to the government.

9. Weather Protection - When inclement weather forces a work stoppage or when the contractor leaves the work site at night, over weekends, or any other time, the roof shall be covered with the specified tarpaulin securely tied down and weighted with sand bags or similar means to prevent the wind from blowing the tarpaulin off. It shall be the responsibility of the contractor to insure the tarpaulin is leak-free.

Roofing materials damaged from wind or rain during construction shall be replaced at the contractor’s expense.

3. PERSONNEL

Contracting Officer -The term "Contracting Officer" (CO) as used herein denotes the person designated to act on behalf of the Government in the performance of this contract. Where reference is made to "Federal Aviation Administration" (FAA), "Contracting Officer's Representative" (COR), or the like, this shall mean the Contracting Officer or his/her authorized representative.

Contractor Superintendence - In accordance with Contract Clause entitled SUPERINTENDENCE BY THE CONTRACTOR, the Contractor shall at all times during performance of this contract and until the work is completed and accepted, directly superintend the work or assign and have on site a competent superintendent with the authority to act for the Contractor.

Employees - The government reserves the right to restrict the employment of any contractor employee, or prospective contractor employee, who is identified as a potential threat to the health, safety, security, general well-being, or operational mission of the installation and its population.

The contractor shall not employ any person who is in employment of the United States Government if the employment of that person would create a conflict of interest.

4. COORDINATION/SUBMITTALS

The contractor shall provide submittals for items identified in section 1 as Submittal Required, The contractor shall immediately cease any work which is adversely impacting the operation of the FAA facility and shall be responsible for the immediate repair or restoration of any portion of the operational system that has been damaged or suffered diminished performance as a result of the contractor's activities. No repairs shall be completed without notification of the COR. In some cases, the repairs may be performed by FAA personnel at the contractor’s expense, due to the criticality of the repair.

All materials or workmanship or both which have been rejected by the COR by reasons of failure to conform with the requirements of the Contract Documents shall be removed and replaced with new, acceptable materials by the contractor at the contractor's own expense.

Contractor shall also pay for testing of new materials which have been installed in place of rejected materials.

5. SAFETY REQUIREMENTS

Contractor Responsibility

1. General Safety Provisions - The Contractor shall bear full responsibility to provide safe working conditions for its employees and Contractors. The Contractor shall not permit any employee or Subcontractor to work in surroundings or under working conditions that are unsanitary, hazardous, or dangerous to the health and safety of the employee.

2. Accident Prevention - The Contractor shall bear the responsibility of maintaining an accident prevention program such that frequent and regular inspections of the job site, materials and equipment are made by a competent person designated by the employer.

3. Use of Equipment - The Contractor shall not permit the use of any machinery, tool, material, or equipment that is not in compliance with OSHA regulations. The employer shall permit only those employees qualified by training and/or experience to operate equipment and machinery.

The FAA will evaluate the Contractor on its safety performance, including that of its Subcontractors. The number and severity of safety and security violations will be considered in this evaluation. Contractor safety violations are cause for termination for default, may result in notification of the Contractor’s bonding company, and will affect the Contractor’s opportunity to propose on future work. Failure to correct such deficiencies may impact the Contractor’s ability to work on future FAA contracts.

OSHA Regulations

The Contractor shall comply with the latest Occupational Safety and Health Administration regulations (CFR 29 Part 1926) regarding safety in the work area.

The Contractor is not relieved from adhering to other OSHA requirements not listed herein.

The Contractor shall consult the latest referenced OSHA documents for safety regulations.

Documents:

OSHA Documents:

CFR 29 Part 1926 Safety and Health Regulations for Construction CFR 29 Part 1910

General Industry Standards Applicable to Construction Industry

7. CLEAN-UP

The contractor shall correct or repair any damage done during any part of this contract. Scrap and debris resulting from the project shall be removed from the site after each day’s work on site. All debris and generated waste shall require disposal in a manner that is not in conflict with local sanitary regulations.

8. SUPPLIES AND EQUIPMENT

The Contractor shall furnish all supplies and equipment as specified to accomplish the contract specifications.

SHIPPING AND RECEIVING MATERIAL. FAA shall not be responsible for shipping or receiving any material relating to this contract nor shall the contractor ship or otherwise receive any materials at the expense of the FAA.

PROTECTION OF MATERIAL. Contractor shall protect and maintain in like new condition all materials and supplies to be incorporated into this project and shall be responsible for their safe storage.

STORAGE OF MATERIALS. No storage area/space will be provided for contractor furnished equipment or supplies. Onsite storage must be coordinated with the COR so that the roadway is not blocked.

CONTACT/LOCATION INFORMATION

A. Location of Work:

Memphis RCAG

3986 E Holmes Rd Memphis, TN 38118

(LAT/LONG: 35.007761 -

89.931572)

B. FAA Point of Contact:

Ron Nelson 901-482-7667

C. Pre-Bid Site Visit: All interested contractors are invited to view the site conditions prior to bidding. A site visit can be coordinated with the FAA Point of Contact. All expenses for the recommended site visit shall be the responsibility of the contractor.

The U.S. Government shall not reimburse any expenses incurred for the purpose of soliciting bids for this contract.

D. Upon contract award, the roofing installer and manufacturer’s representative shall tour the roof area. Manufacturer’s representative will record and submit any disputes or concerns governing the installation of the roof system. The installer will complete and submit the manufacturers “Roof Inspection Report” along with pre-application photos depicting the overall roof area and details representative of the installation.

9. ACCEPTANCE OF WORK

The FAA COR will conduct a Construction Acceptance Inspection at the completion of the project to ensure that all items of the contract have been fulfilled and that the site has been cleaned of debris.

10. PHOTOS

Figure 1: Satellite View of Facility Location

Figure 2: Closer Satellite View

Figure 3: View of Shelter - Block Walls Requiring Painting

Figure 4: Vent Hoods Requiring Painting

Figure 5: Rear of Shelter (Note Two Window Units to be Replaced)

Figure 6: Close-Up View of paint around fascia over main door (typical)

Figure 7: View of Power Feed Near Roof and Right of Main Door

Figure 8: Standing Seam Metal Roof to be overlayed

Figure 9: View of roof

Figure 10: Pic of Existing Window Unit to be Replaced

Figure 11: Relay Box Between Window Units

Figure 12: Inside Window Controls Box (Info)

Figure 13: Panel A and Schedule

Figure 14: Panel B Schedule

Figure 15: Panel A

Figure 16: Panel B

Figure 17: View of Fence Post on Rear of Property.

Correct Post

Figure 18: View of debris along edge of Fence to be Removed

Figure 19: Brush Hog 15' Around Perimeter. Mulch Debris as necessary

Figure 20: Correct Fence Fabric

Figure 21: Window Unit on Front of Shelter to Remain