Replace Concrete Foundations for Pop-Up Barriers SOW.docx

Scope of Work and Specifications for

Replace Concrete Foundations for Security Pop-Up Barriers Located at U.S. Coast Guard Base Elizabeth City, N.C.

June 2024

Commanding Officer United States Coast Guard Base Elizabeth City Facilities Engineering Department Elizabeth City, NC 27909

1) SCOPE: The Contractor shall provide all supervision, labor, equipment, parts, and materials to demolish and remove the existing concrete Security barrier foundations and replace with new concrete foundations IAW specifications provided.

a. Base Bid – Remove back gate security barrier concrete foundations and install new concrete foundation IAW specifications provided.

b. Bid Option #1 – Remove front gate security barriers including security barrier concrete foundations and install new concrete foundation IAW specifications provided.

2) GOVERNMENT FACILITIES AND UTILITIES:

a. Electrical power is available on the site. The Contractor will be permitted to utilize these utilities in performing the work, provided that the existing systems are not overloaded.

b. Telephone services will not be available for use by the contractor.

c. Building restroom facilities are not available for use. The Contractor shall provide portable restroom facilities for use by their employees.

3) MATERIALS AND LOCATIONS:

a. Materials shall be delivered to the jobsite in their original unopened packages, clearly marked with the manufacturer’s name, brand name, and description of contents. Storage shall be in accordance with manufacturer’s recommendations in a clean, dry, well-ventilated area. Stored materials shall be protected from sunlight and kept away from excessive heat. Insulation board shall not be exposed to flame or other ignition sources. The contractor shall not store any highly flammable materials in the work area. Sufficient area for staging is available on site; storage areas will be pre-approved by the Contracting Officers Representative (COR). Special precautions shall be taken to ensure construction materials and debris does not enter the airfield, runways, or taxiways.

b. The Contractor is required to comply with local VOC laws and regulations. All applicable Material Safety Data Sheets shall be available upon request.

4) SCHEDULE OF WORK: Due to the coordination of this work, the Contractor shall perform all work on weekends/holidays outside of normal base work hours (i.e. evenings or weekends). The base normal working hours are 8:00 am to 4:30 pm, Monday through Friday.

5) EXISTING CONDITIONS: The contractor must satisfy themself as to the existing conditions and the work to be performed. The contractor shall verify all dimensions and equipment data prior to ordering materials and commencement of work. A site visit should be arranged with Michael Barclift, 252-335-6969.

6) LIABILITY OF CONTRACTOR: Any damage to government property caused by the contractor shall be repaired or replaced by the contractor at no cost to the government. The contractor shall not disconnect any service without approval from the COR.

7) INSPECTION AND ACCEPTANCE: The COR will accomplish inspection and acceptance of work.

8) LABOR LAWS: The Service Contract Act applies to the procurement.

9) SAFETY: The Contractor is wholly responsible for work site safety. The Contractor shall implement a safety program that protects the lives and health of personnel in the construction area, prevents damage to property, and avoids work interruptions. To accomplish this end, the Contractor shall provide appropriate safety barricades, signs, signal lights, etc. as well as complying with the requirements of all federal safety regulations as published by the Occupational Health and Safety Administration, 29 CFR 1910 (series), 29 CFR 1926 (series), State and Local safety laws, rules, and regulations. Any operation defined as "Hot Work" as per OSHA/NFPA requires a permit to be issued by Base Elizabeth City Fire Department by contacting 252-335-6257. This includes welding, cutting, brazing, grinding or any work that could produce sparks or heat and may initiate a fire.

10) SITE RESTORATION & CLEAN UP: The work site shall be cleaned up at the completion of each workday. Contractor shall take special care to contain dust while working. Upon completion of the job, the Contractor shall clean up the job site, returning it to a state of cleanliness equal to or exceeding that in which it was found. The Contractor shall properly dispose of any trash, extra materials, dirt, debris, or other litter that remains. There will be no final acceptance of the contract until the Contracting Officer’s Representative (COR) approves the appearance of the job site.

11) ENVIRONMENTAL COMPLIANCE: Contractor shall ensure all discharges do not exhibit contaminates contrary to BASE Elizabeth City Non-Significant User (Wastewater) Permit. Any flushes, backwashes and or slug loads shall be scheduled and reported to BASE Environmental Compliance Office (ECO) Wastewater Permit Manager at least two weeks in advance. Wastewater associated with any maintenance or repair shall be quantified in maintenance schedule. Any waste as a result of the project shall either be recycled IAW CIM 16455.10 and the BASE Pollution Prevention Plan or be disposed of IAW the Resource Conservation and Recovery Act. Any Hazardous Waste shall be manifested off site with Base listed as the Generator and signatory. Any hazardous waste shall be analyzed, characterized, stored and disposed of IAW the Resource Conservation and Recovery Act (RCRA) and all applicable federal, state (i.e., DOT) and local laws and ordinances. All work will be performed IAW the BASE Spill Prevention Control and Countermeasures Plan, Clean Water Act (CWA) 40 CFR 112 and the BASE Stormwater Pollution Prevention Plan (SWPPP). All chemicals required for this project shall be preapproved by the Base ECO Wastewater Permit Manager in Building 62. Safety Data Sheets (SDS) shall be provided to both the BASE ECO and Safety offices and proper storage shall be provided IAW 29 CFR 1910.1200. All installation related solid waste shall be removed from the BASE after each working day. All activation flushes of the system shall be captured and disposed of IAW City of Elizabeth City Sewer Use Ordinance and USCG BASE Industrial User Wastewater Permit. All extra chemicals and products shall be removed from the site upon work completion, as the Emergency Planning and Community Right-To-Know Act requires Coast Guard maintains an inventory of all Hazardous Materials located at the site. A laydown area as required and an Erosion and Sediment Control Plan, these shall be preapproved by BASE ECO IAW the SWPPP. Laydown areas will be approved on a case-by-case basis by the Contracting Officers Representative and Base Environmental Compliance Office on non-vegetative areas only. Any damage to vegetated areas shall be repaired and reseeded by the Contractor. Nothing shall be discharged to a storm drain at any time during the project. All storm drains within range of a potential discharge shall be covered/sealed during installation and kept covered until the work has been completed and the system has been deemed fully operational and compliant with all applicable CG policies/plans/permits/laws/ordinances. All storm drains and waterways within range of a potential discharge shall be covered/sealed or protected by silt fence. All spills shall be reported to BASE ECO (Chris Dunn) at (252)267-9789 after containing and dialing (252)335-6257 for Base Spill Response.

12) GOVERNMENT FACILITIES AND REGULATIONS: The Contractor, their employees, and any sub-contractors shall become familiar with and obey all Base/ Unit regulations. All personnel employed on the project shall keep within the limits of the work area and shall not enter any other area outside of the work site unless to do so in the performance of their duties. The work is located adjacent to a warehouse with regular freight traffic. Work site and execution must be arranged so as not to disrupt normal operations in this area. There shall be No Smoking in any Coast Guard Building. All smoking must be done only in a designated smoking area.

13) CONTRACT TIMELINE: The Contractor shall provide all required information and complete this contract within this time schedule, unless approved by the Contracting Officer. A workday is defined as any non-weekend or non-Federal Holiday.

a. The Contractor, upon receiving notification to proceed, must mobilize to the site within 20 workdays.

b. The work, including demolition, site preparation, and concrete installation must be completed and useable within 20 workdays of mobilization.

c. The Contractor may notify the Contracting Officer of any long lead time equipment or materials and request a modified delivery date of the work.

14) SUBMITTALS: Once awarded, the following list of submittals must be submitted on the timeline indicated and define the specific minimum requirements for this contract. The submittal shall contain sufficient information that can be used to determine compliance of the material with these specifications and referenced specifications.

a) Work schedule – Prior to mobilization

b) Concrete Reinforcement Product Data – Prior to concrete installation

c) Concrete Mix Design Data – Prior to concrete installation

d) Concrete Joint Sealer Data – Prior to installation

e) Concrete Break Strength Test Results – Prior to final acceptance

15) TECHNICAL REQUIREMENTS: The Contractor must provide all supervision, labor, equipment, parts, and materials to complete the work including:

a. Back Gate Barrier Foundation – Base Bid

i. Back Gate barriers have already been removed. Contractor shall demolish both existing concrete foundation slabs with dimensions 8’x14’x10” thick. All demolished materials are the property of the contractor and must be removed from Government property in accordance with applicable regulations.

ii. The Contractor shall excavate subbase material to a depth of approximately 2 foot. Dispose of unsuitable excavated material. Scarify and recompact the top 12” of subgrade.

iii. The Contractor shall install/rough-in electrical conduit IAW drawing provided. Conduit shall be stubbed outside of slab a minimum of 3’ and capped for future connection. The Contractor shall install 2 (2” electrical PVC conduit) PER barrier (incoming and outgoing) for a total of 4. One conduit is for electrical power wiring and the other conduit is for data/coms wiring to each barrier. The Contractor is NOT responsible to provide/install electrical or data/coms wiring. A Government representative shall provide direction to the Contractor on exact placement of rough-in electrical conduit before any concrete is poured.

iv. The Contractor shall backfill excavation with crushed aggregate base in layers not to exceed 6 inches loose depth if using heavy compaction equipment or 4 inches loose depth if using hand operated tampers. Final compacted crushed aggregate base must be at least 8 inches in depth.

v. The Contractor shall install #4 rebar mat on 12” centers approximately 6” above crushed aggregate base surface.

vi. The Contractor shall install new 12 inch thick 4000 PSI fiber reinforced concrete pad IAW dimensions on drawing provided. Elevation of slab should be recessed in the area of the barrier such so that when barrier is installed it matches elevation of adjacent concrete/paved surfaces (i.e. smooth transition when driving across). Install concrete in accordance with the American Concrete Institute requirements. Provide longitudinal control joints to match adjacent existing concrete. Provide a broom concrete finish to match existing adjacent concrete.

vii. The Contractor shall seal all concrete joints with backer material and elastic concrete joint sealer.

viii. It is HIGHLY recommended that the Contractor make a site visit to properly evaluate the location and verify all aspects and/or specifications to the existing concrete foundations and the security Pop-Up barriers.

ix. The Contractor shall schedule all work with the Contracting Officers Representative (COR). The Contractor shall understand the importance to schedule and complete all work in a timely fashion to minimize the disruption of traffic.

x. The Contractor shall perform all work IAW all Federal, EPA, OSHA, and State of North Carolina laws and regulations.

b. Front Gate Barrier Foundation – Bid Option #1

i. The Contractor shall remove the Front Gate barriers from existing foundations. The Contractor is NOT responsible for electrical isolation and will be the responsibility of the Government.

ii. The Contractor shall install new concrete slab and conduit IAW steps referenced Steps i through x above.

16) TESTING AND INSPECTION:

a. The Contractor must notify the Contracting Officer’s Representative (COR) 2 working days before the performance, inspection and acceptance tests are to be conducted. The tests must be performed in the presence of the COR.

b. Installation, workmanship, fabrication, assembly, erection, examination, inspection, and testing shall be in accordance with appropriate sections of 29 CFR 1910, 1926.

17) REFERENCE DOCUMENTS:

a. Photos

b. Drawings 1 & 2

c. Pop-Up Barrier Cut Sheet

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