Attachment 1 SOW.pdf
PDF 228 KB Posted
- Attached to
- USP LEE - Replace Cooling Towers Federal contract opportunity
- Solicitation number
- 15BBNF26Q00000003
About this file
This is a Statement of Work (SOW) for the Federal Bureau of Prisons (FBOP) at USP Lee County in Pennington Gap, Virginia, detailing the complete replacement of two institutional cooling towers located in the Central Utility Building (CUB) Powerhouse. The project number is 25Z1AC4 and represents a single-award contract to a responsible entity. The facility houses approximately 1,536 inmates in the high-security penitentiary and 130 inmates in the low-security satellite prison camp. The two original cooling towers, installed in 1999 and operational for 25 years, are experiencing mechanical failures and degradation; one is currently inoperable, requiring the remaining tower to produce chilled water for both units. The contractor must provide all necessary equipment, labor, materials, delivery, removal, disposal, installation, startup, staff training, and comply with all applicable federal, state, and local building codes and manufacturer specifications.
The technical requirements specify a Series 3000 Cooling Tower model S3E-1222-07N-2 with a requested capacity of 18,192.72 MBH, maximum capacity of 18,921.67 MBH, and fluid flow of 3,640 gallons per minute. The unit features galvanized steel construction with Type 304 stainless steel hot and cold water basins, dual 50 HP premium efficiency fan motors operating at 460V/60Hz/1800 RPM, PVC wet deck surface, and comprehensive controls including probe-type water level control and basin heater control. Key contractor requirements include minimum three years of documented experience with similar projects, manufacturer-certified installers/technicians (verification required seven days before project start), compliance with HSPD-12 security clearance requirements, and submission of all pertinent licenses, insurances, and bonds prior to work commencement. Work hours are 7:30 AM to 3:00 PM Monday through Friday, excluding weekends and federal holidays, with access limited during institutional emergencies. The contractor must attend a pre-construction meeting at least seven days before work begins, provide written equipment submittals within 15 days of Notice to Proceed, submit security clearance documentation 30 working days prior to startup, and provide three copies of Safety Data Sheets for all materials used. Upon project completion, the contractor shall submit operating and maintenance manuals, warranties, guarantees, certificates, clearances, bonds, and as-built drawings in PDF and three hard copies.
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| Attachment 5 Drawings.pdf | ||
| RFQ 15BBNF26Q00000003.pdf | ||
| Attachment 2 Wage Determination VA20260009.pdf | ||
| Attachment 3 Bid Bond.pdf | ||
| Instructions to Offerors.docx | DOCX document | |
| Attachment 4 Criminal History Check Form.pdf |
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Text version
STATEMENT OF WORK
USP LEE - B&F PROJECT 25Z1AC4
REPLACE COOLING TOWERS
1.0 INTRODUCTION
USP LEE is a high security penitentiary, which houses approximately 1536 inmates and a low security satellite prison camp that housing approximately 130 inmates. The prison was constructed in 1999 and began receiving inmates in January 2002. The Federal Bureau of Prisons (FBOP), United States Penitentiary (USP) Lee County, located at Hickory Flats Road, Pennington Gap, VA 24277 intends to make a single award to a responsible entity that will provide all necessary equipment, labor, materials, and incidentals to deliver all products and services described in the Scope of Work section of this statement of work. The supplier is responsible for compliance with all applicable codes, regulations, and manufacturers’ recommendations. The Government will assist the contractor with lock-out tag-out services.
1.1 BACKGROUND
Currently, the institutional Powerhouse has two water cooling towers located in the CUB (Central Utility Building). These two cooling towers are responsible for cooling the water for the institutional chillers.
The cooling towers are the original cooling towers that have been in operation for twenty-five years and are beginning to experience numerous and various mechanical failures. This is due to their constant operational status and lifespan overuse. One of the cooling towers is currently inoperable and we are solely relying on the other cooling tower to produce the amount of chilled water that two has produced in the past.
1.2 SCOPE OF WORK
The contractor will provide all necessary labor, parts, delivery, removal, disposal, installation, startup and training of staff for the total replacement of the two institutional cooling towers. The cooling towers must be in compliance with approved specifications (See the technical requirement attached). The contractor will also be responsible for the removal, disposal replacement and installation of the access ladder, handrails and platform. Contractor will follow all Federal, State and Local building codes and regulations, electrical and Standards for Emergency and Standby Power codes and all manufacturer’s warranty requirements.
1.3 STARTUP SERVICES
The selected contractor will work with the Manufacturer representative and shall provide the services of a factory trained Service Technician or Engineer to inspect the installation to ensure that it is in accordance with the manufacturer’s instructions and specifications.
• Manufacturer representative shall advise the installer in writing of any recommended corrective action that is required to meet manufacturer’s recommended installation procedures.
• Repair or remove and replace components where inspections indicate that they do not comply with specified requirements.
• Additional inspections, if required, will be at contractor’s expense and will be performed to determine compliance of replaced or additional work with specified requirements
• Schedule and coordinate initial water treatment with USP LEE’s chemical treatment supplier.
• Cooling tower start-up by manufacturer’s representative shall include verification of mechanical equipment clearances and alignment, adjustment of water flow and operating water levels in hot water and cold-water basins, check rotation of fan, verify operating sequences of tower control system and temperature settings. Written start-up report shall be provided to the Contractor and Owner confirming these procedures and including motor operating amperage readings.
• Instruction of tower operation and maintenance procedures shall be provided by manufacturer’s representative to Owner
1.4 GENERAL CLEANLINESS AND ORDER
1.4.1 Upon completion of each workday and upon final completion of the project, the Contractor shall ensure that the work area is left in a clean, neat, and orderly condition.
This includes the removal of all debris, materials, equipment, and waste from the site.
1.4.2 The Contractor shall clean the work area at the end of each workday to ensure that no hazardous conditions exist. The Contractor is responsible for removing all construction debris, tools, unused materials, packaging (such as plastic wrap, cardboard, etc.), and any other waste generated during the day's work.
1.4.3 Throughout the project, the Contractor shall maintain the work area in a manner that allows for safe access and minimizes the risk of accidents or damage to surrounding areas. This includes:
1. Covering open penetrations to avoid safety hazards.
2. Securing tools and materials at the end of the day to prevent accidents.
3. Ensuring that trash receptacles are available on-site and emptied regularly to prevent overflow and accumulation of waste.
1.4.4 The Contractor is responsible for the proper disposal of all construction debris, including:
1. Hazardous materials (if applicable) in compliance with local and federal regulations.
2. Non-hazardous construction waste should be disposed of in designated waste containers.
1.4.5 Final Clean-Up (Upon Project Completion): Upon completion of all work, the Contractor shall conduct a final cleaning of the site, including:
1. Removing all leftover materials, tools, and debris from the area.
2. Cleaning any equipment or machinery that was used on-site.
3. Ensuring that the site is left in a condition that is satisfactory to the COR and compliant with local code
1.4.6 The COR will inspect the work area after the final clean-up to ensure it meets the required standards for cleanliness and safety. If any deficiencies are found, the Contractor will be required to address them before final acceptance of the project.
2.0 REQUIREMENTS
2.0.1 The contractor shall provide all pertinent proof of licenses, insurances and bonds before commencement of work.
2.0.2 Contractor shall have minimum three years of documented experience doing project of similar characters and scale.
2.0.3 All installers/technicians shall be qualified and certified by the manufacturer to install, test, and certify all components and services rendered pertaining to this project. Such certification must be verified in writing by the manufacturer and submitted to the COR seven (7) days before the project starts.
2.0.4 All seismic zone requirements, environmental compliance, Life Safety, NFPA, ADA-ABA, and Federal, State and Local codes and regulations will be adhered to during all phases of this project.
2.0.5 Services and materials provided by the contractor will adhere to and shall be consistent with the most current industry standards and be recognized by the Underwriters Laboratories (UL).
2.0.6 It is the contractor's responsibility to obtain permitting, should it be required.
copies of all permits must be submitted to the COR upon receipt from local agency.
2.0.7 All work, including contact with and handling of hazardous materials, the disturbance and dismantling of structures containing hazardous materials, and/or the disposal of hazardous materials, shall comply with the applicable requirements of 29 CFR 1926/1910 and 40 CFR 761. All Work shall comply with applicable state and municipal safety and health requirements. Where there is a conflict between applicable regulations, the most stringent shall apply.
2.0.8 The Contractor shall assume full responsibility and liability for compliance with all applicable regulations pertaining to the health and safety of personnel during the execution of work and shall hold the Government harmless for any action on the Contractor's part or that of the Contractor's employees or subcontractors that result in illness, injury, or death.
2.1 CONSTRUCTION:
2.1.1 Meetings:
1. Attend a Pre-Construction Meeting at the institution site to discuss logistical issues, including initial proposed Construction Schedule, work schedules, security procedures for personnel and tools, storage of materials and equipment, payment procedures, etc. Submit proposed Construction Schedule not less than seven days prior to the meeting.
2. Attend Progress Meetings at monthly intervals requested by the COR to discuss work accomplished during the previous interval, work planned for the next interval, issues of concern, and whether project is ahead of, on, or behind schedule.
2.2 SUBMITTALS
2.2.1 The contractor shall provide written submittals to the COR describing recommended equipment within (15) days from receiving the Notice to proceed for approval.
2.2.2 All security clearance paperwork/documentation shall be submitted to the COR a minimum of (30) working day prior to the start of work.
2.2.3 The Contractor shall provide to the COR three (3) copies of the Safety Data Sheets (SOS} on all materials and substances that may be used during the project. In the event the material is not approved by the Safety Manager, it shall be the responsibility of the Contractor to locate and procure an alternative product.
2.2.4 Any deviations from this Statement of Work will be considered a Change Order Request and must be authorized through the institution's Contracting Officer prior to the implementation of the requested change.
2.2.5 It is the Contractor's responsibility to repair and/or replace any Government property damaged by contractors/subcontractors' employees. Damage will be corrected and restored to previous condition at no cost to the Government.
2.2.6 It shall be the Contractor's responsibility for obtaining all measurements and data requirements to comply with manufacturer's installation recommendations. All installations must be in accordance with product manufacture's recommendations.
2.3 DELIVERABLES
2.3.1 All materials/equipment required for work on this project is required to be processed by the Contractor and coordinated with the institution COR for temporary storage.
2.3.2 Any construction related deliveries which are directly shipped to the contractor must be unloaded by the contractor. At no point will a Bureau of Prisons (BOP) staff member receive or sign for a delivery if the contractor or his representative is not present to verify and accept the delivery.
2.3.3 The contractor shall not use the institution entry/driveway for the loading, unloading, or storage of any materials and equipment. The contractor will not impede/block the driveway at any time during or after the work shift.
2.4 SCHEDULE
2.4.1 Work Hours for the contractor are 7:30 AM – 3:00 PM, Monday - Friday, excluding weekends and federal holidays. Any work required to be completed at any other time than noted above must be requested in writing to the COR five (5) working days prior to the start of the work. In the event of any equipment being replaced that would result in downtime of the normal orderly running of the institution, alternate work hours may be authorized in accordance with the time frame stated above.
2.4.2 Access to the site will be available during normal working hours except during emergencies. It shall be the responsibility of the Contractor to familiarize himself, his employees, and his subcontractors of the working hours and conditions in the correctional facility, as working hours may not constitute a full eight-hour workday. The Government assumes no responsibility to the Contractor nor to any of his subcontractors for shorter hours due to institutional emergencies or entry and/or exit of workers necessitated by normal institution routines.
2.4.3 Contractors should plan for a minimal amount of time accrued for security considerations, i.e., check-in screening, delay due to inmate movements, institution lock-down, institution emergencies, etc. In the event of an institution emergency, the Contractor will be instructed to secure all work, secure and stow all tools, equipment and materials, and the Contractor will be escorted out of the institution. Work will resume once the institution emergency passes.
2.5 STORAGE OF MATERIALS AND EQUIPMENT
2.5.1 All construction materials/tools shall be stored in a designated area mutually agreed upon between the COR and the contractor. The storage area will be a secure lockable gang box or similar, size to be determined by the contractor and the COR. If required, the contractor shall provide a securable, single point access storage container, such as a Job or Gang Box that will be left in the agreed upon storage area for the duration of the project. Size of the storage container will be determined by the contractor and the COR.
2.5.2 The container will be secured using a padlock protocol with two locks to secure
it. One shall be a contractor lock and the other lock provided by the institution. If necessary, a heavy-duty chain provided by the contractor may be used to facilitate the locking requirement. All materials and equipment stored within the container will be maintained in a safe an orderly fashion.
2.5.3 All tools will be inventoried prior to entering the institution and will be inventoried back in to ensure accurate accountability when exiting the institution at the end of each workday. The Contractor shall be required to adhere to the institution’s tool inventory program as it pertains to their tools and equipment entering and exiting the institution. If a contactor owned storage container is to be used for tools, materials, and equipment for the duration of the project, the Contractor will be required to use an institution approved “Daily Inventory Check Sheet” for all items maintained in the container. The process for container tool accountability will require a Facilities Staff member, along with an overseeing Institution Shift Custody Lieutenant, to be present. The container will be inventoried and verified by the Contractor, the Facility Staff Member, and the Shift Lieutenant at the end of every work shift prior to locking the container shut.
2.5.4 Materials cannot be stored at a height that would create a fall hazard. All tools will be inventoried prior to entering the Institution. At the start of each workday all tools will be inventoried out on a daily tool inventory sheet and at the end of the workday all tools will be inventoried back in to ensure accurate accountability of all tools at the end of each workday.
2.5.5 All contractor owned extension cords that will be used during the project, regardless of length, shall be in good condition with no broken outer Insulation.
Extension cords are considered a “high risk” tool having a Federal Bureau of Prisons’ tool classification of Double A. All contractor owned extension cords used for this project will be required to exit the institution at the end of every workday for the duration of the project.
2.5.6 All contractor owned ladders approved for use within the institution, regardless of the size, shall be stored in a pre-determined area and secured to a stationary fixture with a heavy link chain and lock which would prevent removal.
3.0 GOVERNMENT FURNISHED PROPERTY
3.0.1 Basic utility service of electric (120v), water, and restroom facilities will be provided by the Institution for the contractors.
4.0 SECURITY REQUIREMENTS
4.0.1 The Contractor and his/her contracted workers shall have no contact with the inmates confined to this facility.
4.0.2 The contractor and all subcontractor personnel must comply with Homeland Security Presidential Directive 12 (HSPD-12), which mandates a standard for secure and reliable forms of identification for Federal employees and contractors. All personnel accessing the site must undergo the required background checks as per HSPD-12 guidelines. The contractor is responsible for ensuring that all personnel meet these requirements and maintain compliance throughout the duration of the project. Failure to adhere to these standards may result in the removal of personnel from the project and potential contractual penalties.
4.0.3 All vehicle and pedestrian traffic are subject to search on FBOP grounds. Items that are prohibited and not allowed are referred to as “contraband”. Contraband items are listed under United States Title 18; this article will be made available to workers upon check-in and check-out of the FBOP property.
4.0.4 Contractors will NOT be allowed to bring cell phones, cameras or two-way pagers into the Institution. The Facilities Department maintains a digital camera that will be utilized by BOP staff to document the project work. The Contractor may request copies of these documentation photos for record keeping.
4.0.5 Contractor will be permitted to wear jeans in the institution, however, shorts, green, camouflage or khaki-color clothing will not be allowed. The clothes will be proper and suitable for the services that are being provided.
5.0 SAFETY AND PERSONAL PROTECTIVE EQUIPMENT
5.0.1 All contractors and employees shall have and wear the required personal protective equipment (PPE) always prescribed by industry standards while on the job site. It is the responsibility of the contractor to provide all PPE equipment.
All ladders regardless of the size shall be stored and secured to a stationary fixture with a chain and lock in a predetermined area, in a way that they cannot be removed. If ladders are required, immediately consult with the COR to ensure that he or she can make timely notification to appropriate institution staff. All extension cords regardless of length shall be in good condition with no broken outer insulation and will be secured in a locked construction gang box. Should a system require Lock-out/Tag-out, the system will be required to have both Contractor and FBOP locks on the isolation point to prevent shock. All Lock-out/Tag-out procedures will follow the institution Lock-out program.
5.0.2 Contractors are responsible for following fall protection procedures, using equipment correctly, and reporting any hazards.
5.0.3 Site Supervisor ensures that fall protection systems are in place, equipment is inspected, and contractors are trained and compliant.
5.0.4 Safety Officer monitors the overall safety program, provides additional training as needed, and handles incident investigations.
6.0 INSPECTION
6.0.1 When the Contractor considers the work complete, he/she shall submit a written certification to the Contracting Officer stating the Work has been completed and inspected for compliance with the Contract Documents; and the Work is ready for final inspection. The Contractor shall give the Contracting Officer a minimum of ten (10) workdays advanced written notice of the date on which the work will be fully completed and ready for the Government’s final inspection.
6.0.2 The Contracting Officer and the COR shall inspect to verify the status of completion with reasonable promptness after receipt of such certification.
6.0.3 When the Contracting Officer finds that work is acceptable under the Contract Documents, the Contracting Officer will request the Contractor to complete all remaining closeout submittals and contract requirements, including but not limited to: GSA Form 1142 – Release of Claims, operating and maintenance manuals, record documents, warranties, guarantees, certificates, clearances, bonds and as-built drawings (pdf format and three (3) hard copies).
6.0.4 When all work is acceptable, the Contracting Officer will issue a Certificate of Contract Completion, GSA Form 218, or other approved form to the Contractor for signature.
7.0 ACCEPTANCE
7.0.1 After the work is fully accepted by the Contracting Officer, the Contractor shall submit the final application for payment in accordance with procedures and requirements stated in the Contract requirements. As required by the Contracting Officer, the final application for payment shall include affidavits that all bills have been paid. The Contractor’s submission of the final application for payment shall signify that the work is complete, and that the Contractor has vacated the Project work site
8.0 WARRANTY
8.0.1 Refer to approved specifications for warranty guidelines. (See the technical requirement attached)
TECHNICAL REQUIREMENTS
Model Information
Product line...........................................................................Series 3000 Cooling Tower
Model ....................................................................................................S3E-1222-07N-2
Main Accessories
Intake option ................................................................................Full Air Intake Screens
Discharge option......................................................................................................None
Thermal Design Data
Requested capacity (unit) .......................................................................18192.72 MBH
Maximum capacity (unit) ..........................................................................18921.67 MBH
Requested fluid flow....................................................................................3640.00 gpm
Entering wet bulb temperature ...........................................................................75.00 °F
Inlet temperature of process fluid .......................................................................95.00 °F
Outlet temperature of process fluid ....................................................................85.00 °F
Physical Data (per unit)
Overall length (including all options and accessories) ..........................................23' 10"
Overall width (including all options and accessories) ..............................................21' 7"
Overall height (including all options or accessories) ...............................................12' 3"
Shipping weight ...............................................................................................24,242 lbs.
Operating weight .............................................................................................50,301 lbs.
Heaviest section .............................................................................................12,121 lbs.
Material option .........Galvanized Steel with 304 SST Hot & 304 SST Cold Water Basin
Wet Deck Surface
Wet deck surface material ........................................................................................PVC
Electrical Data (per unit)
Fan Motor
Quantity
BHP (net mech output power at motor shaft) ...........................................50.0 HP
Voltage..........................................................................................................460 V
Frequency .....................................................................................................60 Hz
Protection class ..............................................................................................IP55
Fan motor power ...............................................................(2) 25.0 = 50.0 HP/Unit
Efficiency class........................................................................Premium Efficiency
RPM ......................................................................................................1800 RPM
Motor frame size .....................................................................NEMA Frame 284T
Type .........................................................................................1 Speed/1 Winding
Enclosure ................................... Totally Enclosed Air Over/Airtight Motor (TEAO)
Aerodynamic Data (per unit)
Airflow (100% RPM/100% RPM) ...............................................................259,987 CFM
Number of fans
Fan type .....................................................................................................Standard Fan
Hydraulic Data (per unit)
Total pressure drops ............................................................................................4.93 PSI
MECHANICAL SPECIFICATIONS
Unit Type: Induced Draft, Crossflow Cooling Tower Factory fabricated, induced draft, crossflow cooling tower with vertical discharge.
Quality Assurance: Quality Assurance - ISO 9001 Compliant
CTI Certification: CTI Certified Thermal Performance
Materials of Construction: The thermal performance of the tower shall adhere performance tests conducted by the Cooling Technology Institute in accordance with their standard STD-201 RS.
Steel Panels and Structural Members are Constructed of Galvanized Steel with Type 304 Stainless Steel Hot and Welded Cold Water Basin. Structural steel components are constructed from G-235 (Z700 metric) hot-dip galvanized steel. The edges of the hot-dip galvanized steel components are given a protective coat of zinc-rich compound. The areas of the cold-water basin in contact with the water will be constructed of Type 304 stainless steel. All factory seams in the cold-water basin will be welded to ensure watertight construction and shall be warranted against leaks for a period of five (5) years from date of shipment. Cold water basin includes a depressed section with drain/clean-out connection and the area under the fill sections is sloped toward the depressed section for easy cleaning. Hot water distribution basins are gravity type constructed of heavy gauge, Type 304 stainless steel. The unit is supplied with a weir dam in each hot water basin to accommodate water flow rates down to 50% of the design flow. Polypropylene metering orifices are provided to assure even distribution of water over the wet deck surface. Heavy gauge, Type 304 stainless steel covers are furnished to prevent the accumulation of debris and algae in the hot water distribution basins.
Fan & Drive System: The fan is to be driven by a one-piece multi-groove, neoprene/polyester belt designed specifically for evaporative cooling equipment service. Motor is mounted on an adjustable motor base. Fan and motor sheaves are non-corrosive cast aluminum. The fan drive system, including fan motor, is warranted against defects in materials and workmanship for five (5) years from date of shipment. Fan and steel fan shaft are supported by heavy-duty, self-aligning, grease-packed, lubricatable ball bearings with special seals for protection against dust and moisture. All bearings are designed for minimum L10 life of 80,000 hours (280,000 hours average life).
Fan Guard: A heavy gauge, hot-dip galvanized steel wire fan guard is provided over the fan cylinder. The fan guard is shipped loose for field installation.
Casing Panels: Casing panels are constructed of fiberglass-reinforced polyester (FRP), UV Protected panels. Hinged access doors are provided on both side walls of the tower for access to eliminators and fan plenum section for all cells. The doors are made of a steel frame matching the unit construction, with an exterior overlay of FRP.
Inlet Louvers: Air inlet louvers are wave-formed, fiberglass-reinforced polyester (FRP), spaced to minimize air resistance and prevent water splash-out.
Fill: The Fill and integral drift eliminators are formed from self-extinguishing (per ASTM D-568) polyvinyl chloride (PVC), having a flame spread rating of 5 per ASTM Standard E84-77a, and are impervious to rot, decay, and fungus or biological attack. The fill is elevated above the cold-water basin floor to facilitate cleaning. This fill is suitable for a maximum entering water temperature of 130°F (54.44°C). The eliminators are designed to effectively strip entrained moisture from the leaving airstream with a minimum of air resistance.
Equipment Structure: The structure of this product has been designed and analyzed in accordance with the wind and seismic load requirements of the 2006 IBC, 2009 IBC, 2012 IBC, 2015 IBC, ASCE/SEI 7-05, and ASCE/SEI 7-10. Seismic qualification is based on analysis. For more information and specific wind and seismic load capacity ratings, please see the Certificate of Wind and Seismic Load Capacity.
Water Inlet(s): Inlet water enters the EASY CONNECT® Piping Arrangement located on the end of the cell(s). Please see the submittal package for the connection type, size and location. The EASY CONNECT® Piping Arrangement balances the flow to each side of the tower and includes a plugged blow-down connection to permit purging of dirt and debris. Polyvinyl chloride (PVC) piping connects EASY CONNECT® Piping Arrangement Chamber to the hot water distribution basins.
Water Outlet(s): The Bottom Outlet Pump Suction Connection will be supplied with Side Outlet Depressed Sump Box. The depressed sump box(es) is fabricated of the same material as the cold-water basin and provided with a bolt hole pattern for mating with an ASME Class 150 flat face flange. The pattern is appropriately sized for the design flow. Side outlet depressed sump box(es) ships loose for field installation by others. The flat face flange, full face gasket, and hardware are supplied and installed by others. A large area, lift out strainer is provided which matches the cold-water basin material of construction and has perforated openings sized smaller than the water distribution nozzle orifices.
Strainers to includes antivortex baffles to prevent air entrainment. Please see the submittal package for the connection size.
Equalizer Connection: The unit will be provided with a bottom equalizer connection.
Flume Box: The unit(s) to be provided less flume box.
Basin Water Level Control: Probe-type electric water level control package including electrode head, stainless steel electrodes, and a solenoid valve in the make-up water connection. The electrodes are high alarm, make-up off, make-up on, low level alarm, heater cutout, and ground.
Heater elements are to be made from copper.
Basin Heater Control: An electric immersion heater control package, including thermostat(s) and low water cutout switch(es) or probe(s), is provided.
Vibration Cutout Switch: Fan system is provided with a vibration cutout switch to limit damage to the unit in the event of a high vibration condition. The vibration switch, including external alarm capability, is solid state with a frequency range of 2 to 1,000 Hz (120 to 60,000 RPM), a velocity set point of 0.1 to 1.5 In./Sec., and a time delay adjustable from 2 to 15 seconds. Input power required is 220 V, 50/60 Hz, 3 Watts plus alarm current. Alarm or shutdown switch is rated at 5 Amperes, 220 VAC TRIAC. Field wiring is by others.
Extended Lubrication Lines: Bearing lubrication lines are to be extended to grease fittings located inside the unit and are accessible from the access door.
Air Intake Option: Galvanized Steel Air Intake Screens over the Louver Sides.
Internal Access Option: Galvanized steel air intake screens are constructed
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