Attachment 3 - Statement of Work.pdf

NBPL Dehumidification System

Location: Naval Base Point Loma, San Diego, CA Spec #: NBPLDH610JL Rev: Orig

1. SCOPE

STATEMENT OF WORK

1.1. Portsmouth Naval Shipyard (PNSY) is seeking to lease a Dehumidification (DH) system for use at Naval Base Point Loma, CA to provide dry and tempered process air for conditioning various industrial applications. The system must include one DH unit, one inline electric heating coil, a 10 Ton DX + electric heat HVAC unit, and supporting power cable. The DH system must be frame/skid mounted and meet the lifting & handling requirements as defined in the specification. Steam is not available at the location of installation. All heating and reactivation coils must be electric resistance heating elements.

2. REFERENCES

2.1. Issues of Publications - The following documents in effect on the date of request for proposal form is part of this specification to the extent applicable, or as specified herein. Within the specification, they shall be referred to by their basic designation only.

2.1.1. Government

2.1.1.1. General Specification For Integral Lifting Attachment Design

2.1.1.2. US Federal standard A-A-59326: Standard for cam action couplings.

2.1.2. Nongovernment

2.1.2.1. ARI Standard 410

2.1.2.2. ASHRAE: Handbook of Fundamentals

2.2. Order of precedence - In the event of conflict between the text of this specification and that of the references cited above, the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws or regulations unless a specific exemption has been obtained.

3. TECHNICAL REQUIREMENTS

3.1. Component List- The Contractor is required to bid on a single equipment list, 3.1.1

3.1.1. Required components PC-01 through PC-6 are listed below based on 1 DH at 5,000 CFM each.

PIECE NO. QTY. NAME OF PART PARA NO.

PC-01 1 DH Unit: 5,000 CFM 3.2 PC-02 1 60 KW Inline Electric Heating coil 3.3 PC-03 1 10 Ton HVAC (DX coil + Heat) 3.4 PC-04 150 FT Electrical Power Cable (DH) 3.6 PC-05 150 FT Electrical Power Cable (10 Ton HVAC) 3.6 PC-06 400 FT Electrical Power Cable (Inline Heater) 3.6

Spec #: NBPLDH610JL

3.2. Dehumidification Unit

3.2.1. 5,000 CFM DCCU

Physical Attributes

3.2.1.1. Physical Attributes: Dimensions 15’ x 5’ x 8’6” [L x W x H] Maximum Weight: 6,000 Lbs.

3.2.1.2. All Components must be fully integrated within single housing.

3.2.1.3. Electrical Power Requirements: 1 Circuits at [460 Volt AC / 3 Phase / 60 Hz]

3.2.1.4. Must be designed to operate of no more than one 200A circuit

3.2.1.5. Process air outlets: Minimum quantity of one at 20” Dia.

3.2.1.6. Process air returns: Minimum quantity of one at 20” Dia.

Process Air Requirements

3.2.1.7. Process Air Flow requirements: 5,000 CFM @ 5 inches External Static Pressure

3.2.1.8. Process Air Fan: Fan curve capable of delivering specified flow and pressure, installed with TEFC Premium Motors, and VFD controlled

3.2.1.9. Total Cooling capacity: 60 Tons Nominal

3.2.1.10. Moisture Removal Rate: 140 Lbs./Hr Total [Desiccant Wheel 140 Lbs./Hr]

3.2.1.11. Moisture Removal Rate Basis: [80°F EDB / 60% RH]

3.2.1.12. Process Air inlet Filtration: Moisture Separator / Demister type filtration for purging 98% of the moisture. Paper or fibrous filtration media is not acceptable.

Desiccant Reactivation Requirements

3.2.1.13. Reactivation Air Flow Requirement: Shall be sufficient to dry the desiccant wheel at rated MRR.

3.2.1.14. Fan curve and static pressure requirements need to be sized appropriately to overcome pressure drop of all internal components, heating coils and desiccant wheel.

3.2.1.15. Electric reactivation required, steam and natural gas utilities not available.

3.3. 60 KW Electric Inline Post Heater (Passive- No blower)

3.3.1. The 60 KW electric heater shall serve as a process air post heater to the electric DH unit as outdoor temperatures require.

3.3.2. Nominal heating capacity of 60 KW.

3.3.3. Operating Voltage: 460 Volt

3.3.4. Maximum Full Load Amperage: 75 Amp

3.3.5. Maximum allowable weight: 650 lbs

3.3.6. Duct connection inlet and outlet: 20 IN Diameter Nominal duct connection

3.3.7. Integral Heater safety controls & high temp limits

3.3.8. Thermostatically controlled discharge air temp set points.

Spec #: NBPLDH610JL

3.4. 10 Ton HVAC Unit with DX Cooling Coil & Electric Heat

3.4.1. Nominal cooling Capacity: 10 Tons

3.4.1.1. Unit charged with R 410A meeting specifications defined in section 2.1.2.1

3.4.2. Process Air Rated Flow:

3.4.2.1. 3200 CFM @ 2 IN TSP

3.4.2.2. 4800 CFM @ .6 IN ESP

3.4.3. Operating Voltage: 460 Volt

3.4.4. Maximum Full Load Amperage: 100 Amp

3.4.5. Electric resistive Heating Coil Capacity: 36 KW

3.4.6. The HVAC unit shall have the ability to operate in a dehumidification capacity by operating the cooling coil and post heating coil simultaneously. Although this mode of operation will yield a minimal change sensible change in air temperature, it shall provide effective moisture removal rates.

3.4.7. Integral Heater safety controls & high temp limits

3.4.8. Thermostatically controlled discharge air temp set points.

3.5. Flexible Duct Fittings

3.5.1. Couplers shall be provided to attach 20 IN flexible duct work to all DH and HVAC equipment provided.

3.6. Electrical Power Cable

3.6.1. Power cable shall be included with each piece of electrical machinery for all circuits requiring power.

3.6.1.1. DH Machine

3.6.1.2. Inline 60KW heater

3.6.1.3. 10 Ton HVAC Unit

3.6.2. Power cables shall be 150 FT in length each for the DH machine and the 10 ton HVAC unit.

3.6.3. Power cable for the inline 60KW heater shall be 400 FT in length.

3.6.4. Power cable shall be rated for 460VAC /3 PH/ 60Hz/ 200 A.

3.6.5. Gauge selection for power cable must prevent significant Voltage drop, such that each machine is not susceptible to tripping on under voltage conditions.

3.6.6. POWER SUPPLY CONNECTION - The power supply connection is to be separate phase, male, CAMLOCK E- 1016 connectors. There shall be a single Cam-Lok J Series E1016 connector per phase for each of the three phases, box mounted in or near the main control panel. The electrical cords penetrating the panel must have strain relief adaptors to prevent the power supply cords from being pulled out of the control panel.

3.6.7. Note: If the connector as stated in 3.6.6. is not available for the equipment, the Contractor shall be responsible for providing means of electrical termination at the unit.

4. NOTES:

4.1. Phase Rotation: To prevent or identify an out-of-phase electrical power situation, three-phase machines shall include either: (a) a reverse phase relay and/or meter that identifies an out-of-phase condition and prevents operation especially applied to complex machinery in which such a condition could cause damage or (b) an arrow prominently displayed at an appropriate location on the machine's housing to indicate the proper direction of shaft

Spec #: NBPLDH610JL rotation with the ability to observe a portion of the shaft after a momentary application of power (a.k.a. jog or bump). A reverse phase relay is not required nor desired for VFD motors, however, the VFD shall have a jog button so as to verify correct rotation.

4.2. DH & Moisture Removal Rates: The Contractor shall provide the Moisture Removal Rate (MRR) for just the

Desiccant wheel in either pounds per hour (lb/hr) or gallons per day (gal/dy) and state the basis for that computation at an ambient temperature (Dry Bulb i.e. °F) and ambient humidity (Wet Bulb in °F or Relative Humidity as a % or Humidity Ratio in gr/lb – grains of moisture per pound of dry air). The Contractor shall provide the Dehumidification system Moisture Removal Rate (MRR) which includes the Pre-Cooling Coil as well as the Desiccant wheel, for conditions at San Diego, CA Summer DB / WB 2½% = 86°F / 73°F. See reference 2.1.2.2.

ASHRAE: Handbook of Fundamentals, Weather Data and Design Conditions, Climatic Conditions for United States and Canada.

4.3. DH Capacity & Utilities:

4.3.1. Moisture Removal: As a stand-alone unit, the DCCU shall be capable of delivering processed air at 0°F dew point or lower when the ambient conditions approach saturation at a temperature of 75°F. The minimum rate for moisture removal at the specified full rate of airflow is based on ambient conditions as synopsized below of: [80°F EDB / 60% RH]

4.3.2. Reactivation: The type of utility for the reactivation heater (e.g. electricity or steam) shall be as specified in section 3.2.

4.3.3. Airflow: An integrated blower (air-handler) is required for independent operation of the unit. With the blower operating at full speed, the airflow in cubic feet per minute (cfm) combined with either the fan's external Total Static Pressure (TSP) in inches of Water Gauge (WG) shall meet the performance stated in section 3.2.

4.3.4. Compatibility: The DCCU shall be inclusive of all associated temperature conditioning coils designated to be to serve as pre-treatment and downstream post-treatment to the desiccant wheel.

4.3.5. Control: The unit shall include a permanently mounted control board accessible without opening any panels with temperature thermometer(s) and pressure gauge(s) as necessary for monitoring and control. The unit shall be completely wired for safety, capacity, and operation such as a power / switch system with circuit breakers, manual / automatic controller, motor overload protection, high / low pressure cut-outs, energy control system, and other essential components. The unit shall be fully controllable under a wide range of loads even though the diurnal and seasonal ambient temperatures varies greatly.

4.3.5.1. Moisture Removal: The reactivation wheel shall be capable of being manually shut-off and still be able to operate the process air blower.

4.3.5.2. Airflow: The unit shall incorporate Variable Frequency Drive (VFD) control for the process air blower so that the air-handler shall be capable of adjusting the airflow to 30% of the maximum specified airflow.

4.3.6. Design & Component Integration: : The unit shall be rigidly mounted within a single integrated framed structure manufactured as a complete entity to include all devices, accessories, and fittings such as the desiccant wheel, desiccant driver, reactivation heater, energy control system, motors, filters, and other auxiliary components necessary to dehumidify ambient air and deliver that air to ancillary mechanical equipment. The unit shall be designed for continuous operation despite extreme ambient conditions (e.g. – 10 to +100°F & 0 to 100% RH). The desiccant dryer shall be an adsorption type wheel with a single desiccant rotary structure. Desiccant wheel materiel can be either the former titanium silica-gel or the more recent zeolite or even a more advanced super adsorbent Polymer, but, not the older more problematic lithium chloride.

4.3.7. Filtration: The air to be processed shall be pre-filtered and its filtration efficiency shall be 30% or greater.

The unit shall be delivered with all clean (reusable) and/or all new (replaceable) filters. The filters shall be of

Spec #: NBPLDH610JL the correct dimension and in sufficient quantity to completely fill the design space of the filter rack(s) with no discernible gaps. Prior to start-up, the Contractor shall demonstrate that all reusable filters are clean & replaceable filters are new and are properly installed. For dehumidifiers, the air to be filtered is at or near the intake(s) to the Process Air Inlet(s).

4.3.8.Supplemental Equipment: For the protection and cleanliness of the machinery components, all air and water/steam connection points shall be shipped with sheet metal covers (air) and plug/cap fittings (water/steam).

4.4. Termination Couplers: Process Air outlets for the various ventilation systems shall terminate in nominal twenty- inch diameter openings either by design or by providing the proper reducers. This will allow for the attachment of nominal twenty inch diameter flexible ducting as provided by either the Contractor and/or the Government. The Contractor shall ensure that the flexible ducting furnished is sized to match the Process Air Inlets and Process Air Outlets such that the ducting can easily fit over the end fittings and/or reducers.

4.5. Process Air Doors or Covers: Air handling machinery conveying Process Air shall include tightly-fitting non-detachable doors (preferred) or detachable covers (permitted) for each suction inlet and discharge outlet.

4.6. Construction: Except as noted for a particular machine type, units shall be a single integrated framed structure manufactured as a complete entity to include all devices, accessories, and fittings necessary to perform the function for which it was designed. Each unit shall be capable of continuous, year-round, outdoor, unmanned operation even at minimal loading while exposed from inclement to extremely harsh weather (e.g. deep snow, strong & gusty winds, and/or heavy rain) and varied ambient conditions (–10 to +110°F & 0 to 100% RH).

Machines shall meet State and federal requirements for its type such as the National Electrical Code (NEC) for electrical devices / components and the American Society of Mechanical Engineers (ASME) for pressurized vessels / components. Machines shall be modular in design so as to act as a stand-alone unit; compact so as to fit in the tight confines of a drydock; portable so as to be transported by forklift and then lifted by crane; and ruggedly constructed so as to endure a marine industrial environment. Machines shall be newly manufactured / completely refurbished and factory tested within ten (10) years.

4.7. Electrical: Electrical components shall conform to a NEMA standard (NEMA 3 or 4) that allows for unsheltered outdoor use of the unit. Each machine shall require only one type / source of electrical power (460 VAC +5% / three-phase / 60 hertz). The type of electrical power required (voltage & amperage) must be clearly indicated on the outside of the equipment, readily detected, and collocated with all other electrical information.

4.8. Lifting & Handling:

4.8.1. See reference 2.1.1.1.

4.8.2. Lifting & Handling Exception: Although considered to be machinery, individual pump units, being relatively lightweight and compact, are not required to be enclosed in a caged frame. However, the remaining Lifting and Handling requirements pertain in that the unit will be handled by forklift.

4.8.3. Rigging Caution: All spaces or voids in which loose matériel may be purposely placed or inadvertently dropped with potential of displacement and then falling during movement or rigging shall have a means of capturing that matériel such as screens, netting, or false floors. For voids in which means to capture the matériel is impractical, an observation port shall be provided for an inspector to visually survey the space or void without use of a ladder, fall protection equipment, or special tooling.

4.9. Noise Requirement: When operating at full speed, noise levels must not be over 105 dB[A] and preferably, 85 dB[A] or less at six feet from the unit or frame unless a quieter noise level is specified. A hearing protection safety placard shall be posted on each machine generating more than 85 dB[A] at the unit's edge or frame.

Spec #: NBPLDH610JL

4.10. Machinery / Equipment Tagging and Markings: Fluid piping inlet(s) / outlet(s) must be clearly marked.

Machinery and itemized equipment require tagging to show Project Number / Technical Specification Identification (ID) Number

4.11. Contractor Identification Of Itemized And Ancillary Equipment: The Contractor shall uniquely tag and permanently mark all of its ancillary and itemized equipment / hardware (e.g. manifolds, hose assemblies, pipe fittings, duct adapters, ducting, etc.) so as to differentiate from that owned by either the Shipyard or other Contractors. Tagging alone is sometimes not sufficient. Suggest painting the ferrous metal on hardware and the end fittings on hose assemblies with unique and distinct color(s).

4.12. Dead Front Control Panel or External Controller: Access to basic machinery controls, such as a Dead Front

Control Panel or External Controller, shall be such that there is non-exposure to energized "live" electrical circuits or other components regardless of voltage, to include control circuitry, by "a person on the operating side of the equipment".

5. GOVERNMENT FURNISHED MATERIAL (GFM):

5.1. 20 IN Diameter flexible ducting.

5.2. 8 IN Diameter flexible ducting.

6. RESPONSIBILITES

6.1. Government

6.1.1. N/A

6.2. Contractor

6.2.1. The equipment will be operating around-the-clock under a rigorous deployment performance schedule.

Within twenty-four (24) hours of initial notification of the need for repair, the Contractor shall have a knowledgeable and equipped technician on the job-site fully prepared to repair the rental equipment. The defective unit(s) shall be repaired within twenty-four (24) hours of initial notification or, if the original defective unit(s) cannot be made operational, replaced within forty-eight (48) hours of initial notification. If the equipment failure is not the fault of the Government, the Contractor shall bear all costs associated with its repair and/or replacement.

6.2.2. The Contractor shall provide technical support to PNSY project personnel as required.

6.2.3. Upon delivery, the Contractor shall provide the nameplate rating located on the equipment.

6.3. Maintenance

6.3.1. Except for daily surveillance checks, the Contractor is responsible for all equipment preventative maintenance and repairs for the duration of the lease. Coordinate maintenance with Shipyard Temporary Service Zone Manager.

6.3.2. The Contractor shall provide Preventative Maintenance (PM) schedules which are equipment specific. The PM shall meet all requirements determined by the Original Equipment Manufacturer (OEM). (CDRL A002, B002) All PMs conducted shall include a technical service report. (CDRL A003, B003)

6.3.3. In addition to providing routine preventative maintenance, the Contractor shall provide a service technician on a weekly basis for the duration of the lease to perform weekly equipment inspections. Weekly equipment inspections shall consist of checking all functional operating parameters of each individual piece of equipment.

This shall include but is not limited to: verifying correct equipment performance and operation, checking for diagnostic or trouble codes, measuring discharge air temps, assessing DH equipment reactivation air performance, verify amperage of all electric heating coils, verification of chilled water coils performance, verify

Spec #: NBPLDH610JL pump operation, motor speed, and differential pressure, verify HVAC process air fan speeds, DH process air discharge air temperature and RH performance, Chiller performance operation, etc. Weekly equipment inspections shall include a technical field report. (CDRL A003, B003)

6.3.4. The Contractor shall provide a knowledgeable service technician to cover the repair of all equipment deficiencies and malfunctions. The response time for the repair or replacement of deficient equipment shall meet the requirements defined in section 6.2.1.

6.4. Training

6.4.1. The Contractor is responsible for and shall provide training sessions to Shipyard Personal on the operation & setup of all equipment. Training shall be available throughout the duration of the lease to accommodate equipment swap out and seasonal equipment operation.

6.5. Deliverables. In addition to all required equipment, the Contractor shall deliver the following documentation:

6.5.1. Technical Instructions (TIs) such as Operations & Maintenance Manuals, Operating Instructions, Controls Manual, and/or Mechanical/Electrical Manual with Schematics; Note, all Technical Instructions shall be located in a waterproof case affixed to each machine. (CDRL A001, B001)

6.5.2. Equipment Data Sheet (EDS) (CDRL A001, B001)

6.5.3. Preventative Maintenance Schedules. (See section 6.3) (CDRL A002, B002)

6.5.4. Technical Field Inspection Report (See section 6.3) (CDRL A003, B003)

6.5.5. Points of contact with telephone numbers for requesting emergency repairs 24 hours 7 days a week (CDRL A004, B004)

7. DELIVERY / ACCEPTANCE / RETURN

7.1. Delivery - The machinery shall be in a fully-charged, fully-assembled, ready-to-use, and in a first-class-operating condition. Machines shall be functionally tested prior to its delivery and all leased products, including machine / equipment / ancillary component accompanying machine, must fully function as intended. The machinery with its support equipment shall be delivered to the site on or prior to the request date. The Contractor shall confirm the date and time of delivery prior to each delivery with the Contracting Officer’s Representative (COR) and Technical Point of Contact (TPOC), if appointed. The Government can provide forklift services for removing machinery from Contractor’s transport during work hours. Documentation with Shipyard copies shall accompany each delivery.

7.2. Acceptance - Upon satisfactory completion of inspection and test of the equipment, the authorized Government Representative (COR and TPOCs) will sign and forward the acceptance document(s) to Code 410 Contracting Division for completion. Unloading of equipment from Contractor’s transport does not signify acceptance.

7.3. Start Up - If requested by the Project, the Contractor shall: (i) start and run the equipment to verify its operability;

(ii) confirm that a set of operating instructions was previously delivered; and/or (iii) instruct designated Shipyard personnel on how to properly run the equipment to include its operation, control, daily checks, & service contacts.

For multiple sets of comparable equipment with essentially similar operation, the orientation given to a specific Project on a particular type and/or capacity of machine can be accomplished just once regardless of delivery.

7.4. Security –

7.4.1. To be allowed onto Naval Base Point Loma, personnel must be US citizens and in possession of appropriate personal identification. Proof of US citizenship is required. Allowable documentation of US citizenship is an official government issued Certificate of Birth or Naturalization (w/ raised seal & not a photocopy) or a US passport.

7.4.2. Documents: a valid REAL ID compliant driver’s license, passport, birth certificate or government CAC. All documents must be active. No expired documents will be accepted.

7.4.3. In order to access NAVSEA spaces a NAVSEA Standard Access Control Badge must be issued by PNSY Detachment Security Office if necessary.

Spec #: NBPLDH610JL

7.4.4. BASE ACCESS: All contractors attempting to access Naval Base Point Loma must ensure they have a valid CAC or DBIDS issued by NBPL or a metro pass for the local area. If neither form of identification is in hand, a Standard Form 5512 for base access must be completed and submitted to Darius Randolph or Simon Moffatt for processing/vetting via the pass office. Once submitted to the pass office, the vetting process takes 7-10 business days. You may check the status or set an appointment for pickup of your DBIDS card by calling the pass office at 619-553-0938. Ensure you have two forms of identification when picking up your DBIDS card.

Simon Moffat or Darius Randolph are our government sponsors. The pass office hours are 6:30 am - 2:45 pm on Monday, Tuesday, Thursday, and Friday; they close at 12:00 pm on Wednesday. The pass office is ALWAYS closed on holidays.

7.4.4.1. BADGE CRITERIA:

a) Green badges will be issued to contractors who are verified U.S. citizens, have a shipyard sponsor and a verified need to provide a service or perform work at PNSDETSD.

b) These badges provide unescorted access to the enclave, excluding Nuclear Work Area’s (NWA’s), Controlled Nuclear Information Areas (CNIA’s), Security Islands (SI’s) and Other Sensitive Areas (OSA)

c) The Standard Access Control Badge (SACB) is U.S. Government property, and it must be protected and returned to Darius Randolph/Simon Moffat, PNSDETSD Code 1120 Security Department upon termination of employment, completion of work, service performed, expiration of contract or no longer a need to enter NAVSEA controlled spaces.

d) The SACB will be displayed at the chest level area of the outer clothing with the picture side visible at all times.

e) No objects, pins or stickers can be attached to the badge. If the badge becomes faded, damaged or illegible for any reason the bearer will report to the Pass & ID office for a new badge.

7.4.5. ACCESS TO THE ENCLAVE & BOATS Personnel must have a valid CAC or DBIDS card for access to the enclave.

IAW with the contract you must also be issued a green badge during the time of services rendered. If entering the base and enclave with a company vehicle, you must have the vehicle inspected at the Commercial Vehicle Inspection Station. Documents: a valid driver’s license, DBIDS or government CAC. All documents must be active. No expired documents will be accepted. If access to boats is required a visit request must be submitted to CS11. The Squadron office, or subordinate command, to be visited or having cognizance over the contract is responsible for ensuring that visitors or contractors are informed of the necessity of forwarding a visit request to CSS-11/CSPRWC (Security Management Office (SMO) code: N424745) utilizing the DISS online submission.

7.5. Inspection Criteria – Receipt Inspection completed by TPOC and C420 COR. All equipment must meet the requirements within this SOW.

7.6. Return - The Government will provide a temporary storage location convenient for Contractor pick-up. The Government will notify the Contractor as well as the Contracting Office as to when the rental Item has been released and is available for pick-up. The Contractor shall be responsible for shipping. The Government can provide forklift services during work hours for placing the equipment onto the Contractor’s transport.

8. ATTACHMENTS

8.1. Lifting and handling specification Commented [BD1]: Do you plan on adding this attachment to this document?