SOW Package_Coast Guard Island Sidewalk Repair.pdf

Statement of Work (SOW) Concrete Sidewalk Repair and Replacement

Base Alameda, Coast Guard Island, Alameda, CA

1. Introduction/Background

1.1 Due to sustained environmental exposure, ground settlement, and tree growth, multiple concrete sidewalk surfaces across Base Alameda have experienced significant deterioration. These defects include severe cracking, lifting, localized subsidence, and broken expansion joints.

1.2 Operational Impact - The compromised concrete sections present immediate safety and operational risks. They create significant trip-and-fall hazards.

2. Objective

2.1 The successful completion of this project will restore the structural integrity of base sidewalks and pads. The immediate objective is to eliminate existing safety hazards and restore the areas to full operational capacity.

3. Scope of Work

3.1 The contractor shall provide all labor, materials, and equipment to safely demolish, remove, and replace the identified deteriorated concrete sections throughout Base Alameda. See The SOW Appendix.

3.2 Tasks

3.2.1 Task 1 Site Preparation & Demolition

3.2.1.1 The contractor shall provide adequate barricades, signage, and traƯic control to ensure the safety of base personnel and maintain vehicle/pedestrian access around the work zones.

3.2.1.2 The contractor shall saw cut the perimeter of the identified damaged concrete sections to ensure clean, straight edges.

3.2.1.3 The contractor shall demolish and remove existing damaged concrete and base material to the required depth.

3.2.1.4 The contractor shall ensure no damage occurs to adjacent structures, underground utilities, or landscaping.

3.2.1.5 The contractor shall demolish and dispose of existing covered walkway (see appendix)

3.2.2 Task 2 Subgrade Preparation

3.2.2.1 The contractor shall excavate, grade, and compact the subgrade to a minimum of 95% maximum dry density.

3.2.2.2 The contractor shall install and compact a minimum of 4 inches of crushed aggregate base course.

3.2.2.3 The contractor shall remove to the maximum extent possible any tree roots without compromising tree health.

3.2.3 Task 3 Forming and Reforming

3.2.3.1 The contractor shall install forms to match the existing grade, slope, and elevation for proper drainage.

3.2.3.2 The contractor shall install 10-gauge welded wire reinforcement in accordance with industry standards.

3.2.3.3 The contractor shall install expansion joints where the new concrete meets existing concrete or structures.

3.2.4 Task 4 Concrete Placement

3.2.4.1 The contractor shall pour ready-mix concrete achieving a minimum 4,000 PSI compressive strength in accordance with industry standards.

3.2.4.2 The contractor shall apply a non-slip, medium broom finish matching the surrounding areas.

3.2.4.3 The contractor shall ensure control joints are placed to prevent cracking.

3.2.5 Task 5 Cleanup & Disposal

3.2.5.1 The contractor shall remove all demolition debris, formwork, and excess material from Base Alameda daily.

3.2.5.2 The contractor shall properly dispose of all waste at an oƯ-base, certified facility.

3.2.5.3 The contractor shall restore any disturbed landscaping or adjacent areas to their original condition.

3.2.5.4 The contractor shall ensure all construction debris, tools, or hazardous materials are properly stowed on a daily basis.

4. Codes and Standards

4.1 All work shall comply with the most current editions of all applicable federal, state, and local codes, all applicable industry standards, the U.S. Coast Guard Safety and Environmental Health Manual, COMDTINST M5100.47 (series), and Occupational Safety and Health Administration (OSHA) standards.

5. Period of Performance/Submittals

5.1 The contractor shall provide a detailed schedule that shows a logical path for completing each section of concrete repair/replacement and all associated tasks.

This shall be submitted no later than 15 calendar days after award. All work must be complete 120 calendar days from award.

5.2 The contractor shall provide product data/cut sheets for materials to be used for approval by the government. The government requires 5 business days to review and approve any submittals.

6. Laydown and Material Storage

6.1 The Coast Guard POC will coordinate an appropriate amount of storage space as necessary for equipment and material storage during the project. The contractor is responsible for maintaining the security of this space and their equipment. This space shall be always kept tidy.

7. Personnel Security and Base Access

7.1 Access Request: For access to the USCG facility, the contractor is required to submit the name and birthdate for each employee on the approved access request form at least 72 hours before their first day on site (this form will be provided after awarded). Personnel not listed may be denied access to the Coast Guard facility.

7.2 Identification: A Real ID-compliant driver's license, or other federally approved identification is required for base access. Acceptable forms of ID include US Government Dependent ID, Federal PIV Card, TWIC Card, Veterans Health Identification Card, US Passport or Permanent Resident Card. Driver's licenses from states that are not Read ID compliant will not be accepted.

7.3 Vehicle Requirements: All contractor vehicles must have valid registration and insurance, and all vehicle operators must have a valid driver's license. Vehicles shall always stay on marked and paved roads -vehicles are not permitted to drive or park on the grass at any point in this project performance without written approval from the Coast Guard. Any damage from driving or parking on the grass, to include the sprinkler system, shall be the responsibility of the contractor to repair.

7.4 Conduct: Contractor personnel shall adhere to all base regulations, traƯic laws, and security protocols. Contractor personnel must wear company identifying clothing/badging/safety gear, and all contractor vehicles must display company or subcontractor decals.

7.5 The contractor shall provide necessary signage/fencing required to protect their work area from foot and vehicle traƯic.

8. Work Hours

8.1 Work shall be performed between the hours of 7:00 AM to 3:00 PM, Monday through Friday, excluding Federal Holidays, unless otherwise approved in writing by the contracting oƯicer or USCG POC.

9. Safety and Environmental Protection

9.1 All operations must comply with the USCG Safety and Environmental Health Manual, COMDTINST M5100.47 (series). The contractor is responsible for proper handling and disposal of any hazardous materials and for immediately reporting and containing any spills.

10. Government Furnished Services

10.1 The government may provide potable water and electrical power at no cost to the contractor where available. All electrical connections shall be in accordance with the National Electric Code. The contractor shall provide and use ground fault circuit interrupter (GFCI) devises when connecting to government power sources.

11. Travel Requirements

11.1 All work shall be performed on Coast Guard Island, Alameda, CA.

12. Acceptance Criteria

12.1 Final acceptance of the work shall be accomplished by the USCG POC after they confirm that all tasks in this SOW are complete, installation meets all technical and safety standards, and the work site has been fully restored. Final payment will not be released until all deficient items have been corrected.

13. Coast Guard Points of Contact

13.1 Primary POC for this task is: LCDR Bethany StaƯord

13.2 Secondary POC for this task is: Ms. Aleta Beekmann