Chemical Treatment of Boilers_Cooling Towers SOW.docx

Scope of Work & Specifications

Chemical Treatment of Boilers & Cooling Towers

Located at U.S. Coast Guard Base Elizabeth City, N.C.

March 2025

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

Michael Barclift Facilities Engineering Department

1) SCOPE: The Contractor shall provide all supervision, labor, transportation, equipment, parts, tools, and materials required for water treatment of boilers and cooling towers IAW specifications provided.

BASE BID – The Contractor shall provide the service IAW the specifications provided to exclude all chemicals. The chemicals are the responsibility of the Coast Guard to purchase and maintain on-site for the service each month. The Contractor shall be responsible for ensuring the Coast Guard purchases the appropriate chemicals for water treatment of the equipment.

BID OPTION #1 – The Contractor shall provide the service IAW the specifications provided to include all chemicals & transportation at no additional cost to the Coast Guard. The Contractor shall bring all chemicals during the service each month exchanging empty chemical containers for full chemical containers. There will be no additional staging area for chemicals to be stored on-site.

The base year shall be one (1) year from the time the written Notice to Proceed is issued with an option to renew for a period of four (4) additional option years at the discretion of the Contracting Officer.

2) GOVERNMENT FACILITIES AND UTILITIES:

a) Electrical power and water are available within close proximity. 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 available for use.

3) MATERIALS AND LOCATIONS:

a) The Contractor will furnish all materials, equipment, instruments, tools, safety lines and harnesses, and other items necessary for accomplishment of these services.

b) 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, taxiways, or waterways.

c) The Contractor is required to comply with local VOC laws and regulations. All applicable Safety Data Sheets shall be available upon request. The Contractor is required to comply with all Federal, State, local, laws and regulations as well as the Base Synthetic Minor Air permit. All chemicals used shall be pre-approved by the Environmental Compliance Office (ECO) prior to bringing them on Base.

4) SCHEDULE OF WORK: The Contractor shall perform all work during normal base work hours. The base normal working hours are 8:00 am to 4:30 pm, Monday through Friday, but the contractor is not limited to these hours. If the contractor is going to work outside normal working hours, permission must be obtained from the Contracting Officers Representative (COR).

5) EXISTING CONDITIONS: The contractor is expected to satisfy himself 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. Any site visit will be arranged by the Contracting Officers Representative (COR). The Contractor shall wear the appropriate personal protective equipment (PPE) when visiting the site in accordance with OSHA, State, and Federal regulations.

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 Contracting Officers Representative (COR).

7) INSPECTION AND ACCEPTANCE: The Contracting Officers Representative (COR) will accomplish inspection and acceptance of the work.

8) LABOR LAWS: The Service Contract Act applies to the procurement. The Contractor shall perform all work IAW all Federal, EPA, OSHA, and State of North Carolina laws and regulations.

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 and abiding by 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) 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.

11) SITE RESTORATION & CLEAN UP: The work site shall be cleaned up at the completion of each workday. 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 Officers Representative (COR) approves the appearance of the job site.

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. There shall be No Smoking in any Coast Guard Building. All smoking must be done in the 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) Provide all required submittals to the Contracting Officer within 14 calendar days after contract award.

b) The U.S. Coast Guard will have 7 calendar days to review the submittals and respond to Contractor.

c) Contractor shall provide projected delivery schedule during proposal and provide a firm delivery date within 14 calendar days after the contract has been awarded.

d) The Contractor, upon receiving notification that the U.S. Coast Guard has approved the submittals and having received the Contractors firm delivery date schedule, will have 14 Calendar days to begin work on the project. The Contractor shall notify the Contracting Officer of any long lead time delivery of equipment, so that the Contracting Officer can modify the delivery date of the contract.

14) SUBMITTALS:

a. Once awarded, the following list of submittals required for approval defines 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.

i. Detailed work schedule

ii. SDS sheets for chemicals

15) TECHNICAL REQUIREMENTS:

General: The Contractor shall provide all supervision, labor, transportation, equipment, parts, tools, and materials required for water treatment of boilers and cooling towers IAW specification provided. Attachments have been provided including map location and photos.

Background: The purpose of the service is to provide water treatment to help the equipment work at optimal performance which includes prolonging the life span. The associated chemical feed/bleed equipment was installed for all three (3) cooling towers in 2017 (see reference images). The steam boilers do not currently have any known operational chemical feed/bleed equipment installed.

a) The Contractor shall provide preventative maintenance to six (6) steam boilers. The Contractor shall provide water treatment chemicals to prevent the buildup of mineral deposits (scale) on the boiler’s heat transfer surfaces, which can significantly reduce efficiency by hindering heat transfer and potentially leading to overheating and damage. The Contractor shall provide water treatment chemicals to inhibit corrosion within the boiler system by adjusting pH levels and adding corrosion inhibitors. The Contractor shall provide proper treatment to ensure the steam produced is high quality and free from contaminants that could affect downstream processes. The Contractor shall provide methods to remove calcium and magnesium ions, adding chemicals like phosphates, oxygen scavengers, and alkalinity builders while monitoring water chemistry parameters regularly. All chemicals shall be utilized in accordance with manufacturers technical data sheets and SDS. Dilution factors shall not be deviated for any reason. The Contractor shall provide any other methods not listed to ensure the boilers operate at optimal performance.

b) The Contractor shall provide preventative maintenance to three (3) cooling towers, which have two (2) closed loops. The Contractor will test the treated water system(s) for all pertinent parameters for inhibition of corrosion, scaling, and biological growths. The Contractor shall provide water treatment chemicals to minimize scale, algae accumulations, water depletion, zinc, chromates, and carbonate from the water used. The Contractor shall provide all other methods to prevent organic growth, fouling, scaling, and corrosion that may interfere with continuous water flow. The Contractor shall regulate the level of alkalinity, chlorides, hardness, iron, organic matter, silica, sulfates, total dissolved solids (TDS), and total suspended solids (TSS) found in the water. All chemicals shall be utilized in accordance with manufacturers technical data sheets and SDS. Dilution factors shall not be deviated for any reason. The Contractor shall provide any other methods not listed to ensure the cooling towers operate at optimal performance.

c) The Contractor shall ensure that all chemicals are pre-approved by Base Elizabeth City Environmental Compliance Office (ECO) permit managers before work begins.

d) The Contractor shall dispose of all generated waste including empty containers and chemicals in the appropriate manner. The Contractor shall ensure that ALL these items are disposed of OFFSITE. The Contractor shall provide the proper manifest or bill of lading IAW all RCRA and CWA and State and local Solid Waste, laws, ordinances and regulations. Base Environmental Compliance Office (ECO) personnel will be available to sign manifests as necessary.

e) The Contractor shall provide water treatment to the boilers and cooling towers at minimum of one (1) time each month during the contract year and is considered a monthly service.

f) The USCG shall INITALLY furnish the chemical feed/bleed equipment to the three (3) cooling towers. Photos of the existing chemical feed/bleed equipment are available in the reference documents. The Contractor is responsible for maintaining proper mechanical condition of all the equipment for the cooling towers and replacing all equipment that fails, at no additional cost to the Coast Guard.

g) The Contractor shall provide all NEW chemical feed/bleed equipment to the boilers. There is currently some chemical feed/bleed equipment located at the boiler sites and the condition of such equipment is unknown. The Contractor is responsible for providing and installation of ALL new equipment which includes controllers, pumps, solenoids, tubing, piping, and any other items necessary to provide water treatment to the boilers. The Contractor is responsible for maintaining proper mechanical condition of all the equipment for the cooling towers and replacing all equipment that fails, at no additional cost to the Coast Guard.

h) 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 boilers, cooling towers, and the existing feed/bleed equipment.

i) The Contractor shall provide a detailed report each month after completing the service. The Contractor shall provide this documentation to the Contracting Officers Representative (COR) within seven (7) calendar days after treatment of the water.

j) The Contractor shall provide once during the contract year a detailed annual report with the estimated usages of chemicals used at the equipment locations. The estimates shall include evaporation, makeup, and blowdown rates. The report shall include gallons per minute (GPM), gallons per day (GPD), and gallons per year (GPY) for each chemical being used. The Contractor shall provide the documentation to the Contracting Officers Representative (COR) within twenty-one (21) calendar days of the request.

k) The Contractor shall schedule all work with the Contracting Officers Representative (COR).

16) EXECUTION: 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) Map Location & Photos image1.png