DKFX 1155180 Repair Critical Infrastructure Draft SOW.docx

DRAFT

Statement of Work DKGV-1155180, Repair Critical Infrastructure (Unsecured Walls) Joint Base Charleston, Air Base and Weapons Station Revised 20 April 2026

MISSION IMPACT: Remove safety hazard of unsupported masonry walls in multiple locations on Joint Base Charleston, Air Base and Naval Weapons Station.

MISSION PARTNERS: FSS and AAFES A. GENERAL: The work to be performed consists of furnishing all tools, qualified labor, materials, equipment and supplies to remove, replace or repair unsecured walls. All work shall be accomplished in accordance with all Federal, State, Local Regulations to include but not limited to the following:

1. International Building Code

2. International Electrical Code (NFPA 70)

3. National Fire Code (NFPA 1)

4. Unified Federal Criteria (UFC)

5. Unified Facilities Guide Specifications (UFGS) B. LOCATION: Buildings 468, 469, 470 WS and 650, 1990 AB Joint Base Charleston, North Charleston, S.C.

C. SCOPE OF WORK: The project requirements include but are not limited to the following major items of work: Demo and remove existing block walls and all materials associated with the identified walls. Install framed, secure wall or handrail where required. No structural drawings exist for B 1990, 468, 469 or 470.

NOTE: In accordance with 29 CFR 1926.1101 (OSHA’s Asbestos Standard for the Construction Industry) Building Owners are required to inform potential contractors bidding for work of the presence, location, type, and amount of asbestos containing building materials (ACBM) that may be impacted by this project scope of work. The following are applicable:

There are no Asbestos or Lead Paint Surveys on file. Building 1990 will require asbestos testing of the mortar. Buildings 468, 469 and 470 will require lead paint testing. The presence of asbestos or lead paint will require the contractor to provide a hazardous waste disposal plan.

DESIGN: No design is required. CE Project Manager has determined the repairs that are required based on the guidance provided by Air Force Material Command.

Weapons Station:

Buildings 468, 469 and 470.

1. There are two pony walls on B468, two pony walls on B469 and three pony walls on B 470.

2. DCC shall demo/ remove all existing vinyl soffit under the rear patio covers on the entirety of B 468, 469 and 470.

3. The existing pony walls shall be raised by one to two blocks to extend above the existing ceiling height.

4. The contractor shall install horizontal joint reinforcement/ ladder wire on top of the existing block wall in the first horizontal mortar joint to strengthen the lateral load of all of the pony walls.

5. The contractor shall fill the block cavity in 3 places along the top of the existing walls, spaced evenly apart, beginning at the end of the walls. A ½” anchor J bolt will be installed in the cavity while the mortar is wet that extends a minimum of 3” above the top of the new wall height. In the event that the existing block cavities are solid, a ½” expansion shield anchor shall replace the J bolt noted previously.

6. All cavities of block that contain the new anchor bolts shall be filled with mortar to flush with the top of the new wall height.

7. The contractor shall install 2 diagonal 2” angle iron bracing to the top of the roof trusses with through bolts, nuts and washers and at each anchor bolt location with nuts and washers. (sketch provided)

8. All vinyl soffit will be replaced with new vinyl soffit and J channel when wall bracing is complete. The new vinyl soffit shall be 30% vented soffit and shall be spaced in equal rows across each patio ceiling.

9. The contactor shall demo the existing compact fluorescent light for each patio area and replace with a new 6” LED recessed outdoor rated fixture. The new fixture shall be connected to the existing wiring and installed in the same location as the existing fixture.

10. All the pony walls for this portion of the project will be cleaned and primed with 1 coat of masonry primer and top coated with 2 coats of latex, exterior paint. Color shall match the existing color.

Air Force Base:

Building 650 (Picnic Area Restrooms)

1. There is an existing 7’ tall pony wall in the men’s and women’s restrooms that will require bracing.

2. The contractor shall install a 6” steel channel on the free end of the pony wall that anchors to the floor and to the roof structure above the ceiling and anchored to the end of the pony wall.

3. The contractor shall provide adequate blocking in the ceiling support structure to secure the upper end of the horizontal bracing.

4. When the horizontal bracing is complete the contractor shall box frame the horizontal end wall brace with 2” X 4” steel studs with 5/8” moisture resistant drywall. Drywall shall have steel corner bead on all outside corners and taped inside corners, finished to a level 4 finish.

5. Contractor shall place a 6” red quarry tile cove base around the new drywall column. Cove base should match the existing tile face as close as possible. (sketch provided)

Building 1990

1. Contractor shall demo and remove the existing brick wall that is on the south side of the loading dock pit. This wall is appx. 8’X 70’.

2. Contractor shall demo the existing steel handrail on the Southern side of the truck dock ramp.

3. Contractor shall remove the existing mortar on top of the concrete wall to provide a clean surface for the handrail installation.

4. Contractor shall install a new 1 ½” to 2” aluminum handrail system in place of the demoed wall on the South side of the loading ramp and to replace the existing handrail on the North side of the loading ramp.

5. The new handrail systems shall have an anodized or powder coated finish in dark bronze color.

6. The new handrail systems shall meet all applicable code and safety requirements.

7. The contractor shall grade the existing soil back from the demoed wall and seed to minimize erosion.

8. The contractor shall remove the existing bollard on the West end of the pony wall.

9. The contractor shall install a new 8” steel bollard in place of the existing bollard. The new bollard shall be 4’ in the ground and 4’ above ground. The new bollard shall be filled with concrete and shall be painted safety yellow with 1 coat of primer and 2 coats of exterior enamel.

GENERAL REQUIREMENTS:

1. Work areas around project site will be occupied by the using activity during work. Caution must be taken to ensure all safety work practices are adhered to while construction work requirements are performed. The contractor shall never leave a site in an unsecured or unsafe manner at any time during this project.

2. All work is to be performed during normal working hours (0600-1700), Monday-Friday.

3. Caution must be taken in all work areas of the facility to avoid physical or cosmetic damage to existing government property. Any damage to government property resulting from construction procedures shall be the responsibility of the contractor.

D. ENVIRONMENTAL: Refer to Division 1 Specification (01 57 19) Temporary Environmental Controls. The Contractor shall comply with all applicable requirement stated in the Toxic Substances Control Act of 1976. All materials used in the performance of this contract shall be applied in strict accordance with manufacturer’s printed label instructions and all applicable standards. The use of Class I ozone depleting substances, asbestos containing materials, and lead paints are strictly prohibited. Contact the 628 Civil Engineer Squadron Environmental Office at (843)-963-1473 for any asbestos or lead paint related questions.

E. WASTE DISPOSAL/RECYCLING: Refer to Division 1 Specification (01 57 19) Temporary Environmental Controls. The contractor shall recycle all recyclable materials generated during demolition. All waste materials generated by all work under this contract shall be handled, transported, stored, and disposed of off base at no additional cost to the government, by the contractor and or sub-contractors, at any time in accordance with all applicable federal, state, or local laws, ordinances, regulations.

F. SUBMITTALS: Refer to Division 1 Specification (01 33 00) Submittal Procedures. See Attachment 15, Submittal Register 4122-R for minimum submittal requirements for this delivery order.

1. Progress/Construction Schedule AF Form 3064.

2. AF Form 66

3. Activity Hazard Analysis(s)

4. Hazardous waste demolition and disposal plan ( Dependent on sampling )

5. Steel Framing

6. Drywall

7. Paint

8. Handrail

9. Tile Base

10. Mortar/ Cement Patch

11. Close Out Documents G. SAFETY: Refer to Division 1 Specification (01 35 26) Governmental Safety Requirements. The Contractor shall comply with all OSHA safety regulations, the latest edition of EM-385-1 and 29 CFR 1910, if discrepancies occur the more stringent requirements shall govern. All applicable submittals for various Definable Features of Work (DFOW’s) required by EM-385-1 shall be submitted prior to commencing work.

H. OUTAGES: Refer to Division 1 Specification (01 35 26) Governmental Safety Requirements. Outages will be coordinated with Government PM.

I. PERMITTING: Refer to the specific permit sections of Division 1.

J. CLOSEOUT DOCUMENTS: Refer to Division 1 Specification (01 33 00) Submittal Procedures.

1. Warranty (28.3)

---End of Statement of Work---

DKGV-1155180 Repair Critical Infrastructure