Attachment 1 - DH SOW.pdf

Dehumidification with Inline Heater

Spec #: Sub Base New London, CT 5,000 CFM DCCU + 60kW Inline Heater Rev: 1 Page 1 of 9

STATEMENT OF WORK

1. SCOPE

1.1. Portsmouth Naval Shipyard (PNSY) is seeking to lease a Dehumidification (DH) system for use at New London, CT (NLON) to provide dry and tempered process air for conditioning various industrial applications. The system must include one electric reactivation DCCU unit, one inline electric heating coil, supporting duct work and power cables. 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. APPLICABLE DOCUMENTS

2.1. Issues of Publications - The following documents in effect on the date of this requested proposal is a 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 Furnished

2.1.1.1. N/A

2.1.2. Nongovernment Furnished

2.1.2.1. AHRI 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. REQUIREMENTS

3.1. Component List

3.1.1. Required components.

PIECE

NO.

QTY. NAME OF PART PARA

NO.

PC-01 1 Desiccant Climate Control Unit: 5,000 CFM 3.2-3.5 PC-02 1 60kW Inline Electric Heating Coil 3.6-3.7 PC-03 200FT 20 IN Diameter Flex Duct 3.8 PC-04 200ft DCCU Electrical Power Cable 3.4

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3.2. Desiccant Climate Control Unit Requirements

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

3.2.2. Process Air Fan: Fan curve capable of delivering specified flow and pressure, installed with TEFC premium motors and VFD controlled.

3.2.3. Moisture Removal Rate: 140 Lbs./Hr.

3.2.4. Moisture Removal Rate Basis: 80°F EDB / 60% RH

3.2.5. DCCU to be enclosed in a weatherproof enclosure suitable for outdoor operation with an ambient operating temperature range of -10°F to 110°F without the need for additional shelter or protection.

3.2.6. Process air outlets: Quantity of one at 20” Dia.

3.2.7. Process air return: Quantity of one at 20” Dia.

3.2.8. All openings, connections, and flanges are to be cleaned and capped.

3.2.9. DCCU will be UL listed.

3.2.10. All vendor supplied equipment shall be capable of operating in below freezing temperatures and include freeze protection measures on components that are prone to freezing if local temperatures could drop below freezing(e.g. condensate line, water separators, and drains)

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

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

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

3.3. DCCU Physical Dimension

3.3.1. Maximum Allowable Footprint (L x W) Inches: 15’ x 5’

3.3.2. Maximum Allowable Weight (lbs): N/A

3.3.3. All components must be fully integrated within single housing.

3.4. DCCU Electrical Requirements:

3.4.1. Operating Voltage: 1 circuit at 460 VAC / 3 Phase / 60 Hz

3.4.2. Maximum Operating Amperage (FLA): 200A

3.4.3. All onboard low voltage controls must have integral transformer to provide necessary voltage stepdown. DCCU must operate from one 460VAC circuit.

3.4.4. The DCCU shall be equipped with electrical power cable, 200 FT in length.

3.4.5. The power cable wire gauge must be sized properly to minimize voltage drop over 200 Ft and handle full load run amperage as well as start-up in rush current.

3.4.6. Power cable shall be delivered with fabricated, watertight, Cam-Lok connections. (e.g. Cam-Lok J series locking style 1016)

3.5. DCCU Operating and Safety Controls:

3.5.1. Panel mounted high voltage disconnect

3.5.2. Master on/off switch

3.5.3. Hour Meter

3.5.4. Heater safety control circuit and limits

3.5.5. Graphic Display:

3.5.5.1. Main power on indicator light

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3.5.5.2. Phase monitor and phase fail indicator light

3.5.5.3. Reactivation fan on and proof of flow

3.5.5.4. Low reactivation warning

3.5.5.5. Desiccant wheel rotation alarm

3.6. 60 kW Electric Inline Post Heater:

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

3.6.2. Capable of running in passive mode (no blower)

3.6.3. Nominal heating capacity of 60 kW.

3.6.4. Duct connection inlet and outlet: 20 IN diameter nominal duct connection

3.6.5. Electric heater will be UL listed.

3.6.6. Integral heater safety controls and high temp limits

3.6.7. Thermostatically controlled discharge air temp set points.

3.7. 60 kW Electrical Requirements:

3.7.1. Operating voltage: one circuit at 460 VAC / 3 Phase / 60 Hz

3.7.2. Maximum full load amperage: 100 Amp

3.7.3. The power lead cable wire gauge must be sized properly to minimize voltage drop over 200 Ft and handle full load run amperage as well as start-up in rush current.

3.7.4. Power lead cable shall be 10 FT or greater, delivered as bare wire ends to allow PNSY electrical shop to adapt to shop owned equipment

3.8. Flexible Duct Work

3.8.1. Flexible ducting, 20 IN diameter @ 25 FT long per section

3.8.2. Flex duct rated for positive pressure supply air applications with standard hard drawn wire helix reinforcement with an expanded pitch no greater than 7 inches such that ducting is capable of withstanding the pressure of the system.

3.8.3. There shall be an external wearstrip over the wire-helix that is preferably, extruded for heavy-duty wear or minimally, composed of PVC fabric to offer some light-duty resistance.

3.8.4. The ducting must feature excellent UV stabilization; mold and mildew inhibitors; and be constructed for rigorous and continuous outdoor exposure in a harsh environment.

3.8.5. Application temperature range: -20°F / +110°F

3.8.6. Flexible Tubing must have on each end a wire ring encased in fabric that interlocks one duct to another, by which the necessity for couplings in addition to associated clamps are negated.

3.8.7. The fully-flexible (≤1-foot bend radius) and fully-compressible (5:1 ratio or better) ducting shall be transported to the site and staged/stored at the site in pallet-sized wire baskets.

3.8.8. Ducting constructed with material colors of yellow or magenta is strictly prohibited.

3.8.9. If ducting has been previously used, the Vendor must perform a careful physical examination of the ducting just prior to shipment. A physical examination requires that each individual piece of ducting is fully- extended in order to perform an adequate visual check of the product. The ducting material shall: (i) not be torn, except for the minor pin hole type penetrations near the end finish wire ring ducting ends for the insertion of security tie-wraps to be installed after ducting interlocking; (ii) not be damaged nor vandalized; (iii) be clean and free of debris; (iv) lack indication of chemicals, burns, cuts, or abrasion; (v) not exhibit signs of mildew, nor rot; (vi) not have permanent kinks in the wire-reinforcement helix; and especially (vii) not have damaged nor bent wire end rings for the ducting with the end finish for the ducting ends.

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3.8.10. Couplers provided as to join each duct section together.

3.8.11. Coupler shall be provided to attach duct work at all DH and HVAC equipment provided.

3.9. Equipment Start-up/ Commissioning Services

3.9.1. Contractor must provide start-up and commissioning services to prepare the equipment to be placed into service. This includes but is not limited to the following:

3.9.1.1. Energizing equipment

3.9.1.2. Pressurizing the system

3.9.1.3. Performing leak check of all contractor made connections

3.9.1.4. Adjusting setpoint(s) to meet the requirements of this Statement of Work

3.9.1.5. Verifying satisfactory operation of all drains installed on equipment

3.9.1.6. Troubleshooting/adjudicating any alarm conditions present on start-up

3.9.1.7. Training Government operators in equipment function, control and alarm(s)/indications.

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 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 Vendor 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 %).

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) 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 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.

4.4. Construction: Except as noted for a particular machine type, units shall be a single integrated framed

Rev: 1 Page 5 of 9 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.

4.5. Supplemental Equipment: For the protection and cleanliness of the machinery components, all connection points shall be shipped with plug/cap fittings.

4.6. Electrical: Electrical components shall conform to a NEMA standard (NEMA 3) 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. The Vendor shall provide the Project Temporary Services Zone Manager with the following details: (i) electrical power type (amperage & voltage); (ii) type of electrical connectors; (iii) breaker type/size or recommended capacity for the electrical source; and (iv) whether the machine is furnished with over-current protection.

4.7. Lifting & Handling:

4.7.1. N/A

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

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

4.9. Vendor 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 Vendors.

4.10. 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. N/A

6. RESPONSIBILITITES

6.1. Government

6.1.1. Equipment Technical Evaluation: C230 Engineering

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6.1.2. Receipt Inspection: Contracting Officer Representative (COR), TPOC & Zone Manager (ZM)

6.1.3. Schedule equipment delivery & returns: COR, TPOC & ZM

6.1.4. Schedule equipment service, repair, and training: COR, TPOC & Project Zone Manager.

6.2. Contractor

6.2.1. Any and all required State approved safety features (i.e. safety pressure relief valves, low water cutout, over pressure protection, etc.) installed with applicable State certification.

6.2.2. The contractor shall maintain a stringent maintenance program and be responsible for all preventative maintenance, except for daily check of liquid levels. The contractor shall provide oil, filters, coolant, and lubricant for engine and operation during the rental period.

6.2.3. The contractor shall provide repair service within twelve (12) hours after notification by the COR or his/her representative. In the event the machine cannot be returned to service within twenty-four

(24) hours of notification, the Contractor shall deliver a replacement at no extra charge to the Government.

6.2.4. The contractor shall provide equipment start-up, and on site commissioning per SOW 3.9.

6.2.5. The contractor shall be responsible for equipment failure not arising out of abuse or negligence by the government.

6.2.6. There shall be no changes unless authorized by the COR.

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

6.2.8. The Contractor shall provide all deliverables specified in section 6.5.

6.3. Maintenance

6.3.1. Surveillance Checks. The Government will conduct daily surveillance checks of the equipment, which is limited to a visual inspection verifying no alarm conditions or obvious deficiencies are present (Ex.

Abnormal Noises, Vibrations, leaks). Except for daily surveillance checks, the Contractor is responsible for all equipment preventative maintenance, weekly inspections and repairs for the duration of the lease. The Contractor shall coordinate with the COR and TPOC, in writing, to schedule preventative maintenance and weekly inspections.

6.3.2. Preventative Maintenance & Weekly Inspections. The Contractor shall perform Preventative Maintenance and Weekly Inspections of the equipment during the contract. The Contractor shall provide a Preventative Maintenance (PM) plan with schedules which are equipment specific and include a list of actions for both weekly inspections and PM. At a minimum, the list of actions shall meet all requirements recommended by the Original Equipment Manufacturer (OEM). If a list of actions is not available from or recommended by the OEM, the Contractor shall develop a list of actions and perform these services in accordance with the SOW. Weekly inspections shall be performed by a qualified service technician provided by the Contractor and shall consist of checking all functional operating parameters of each individual piece of equipment including, but is not limited to: verifying correct equipment set-up, performance and operation, checking for diagnostic or trouble codes. The PM plan actions list for each piece of equipment shall include a comprehensive list of the components to be serviced as well as identifying the service frequency (e.g., all consumables to be replaced, bearing grease points, belt replacement / tensioning, filter changes, refrigerant charge, oil changes, other lubrication, coolant refills, liquid top-offs, etc.) The Contractor shall prepare and submit a technical field report that identifies what was included in the weekly inspection, the results of the inspection, and which PM plan actions were performed, what system, equipment or component was serviced, when the PM was performed and next scheduled PM date. Copies of all reports shall be delivered to the COR and TPOC upon completion of the service.

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6.3.3. Repairs. The Contractor shall provide a qualified service technician to repair all equipment deficiencies and malfunctions and return the system to an operable condition. The response time for the repair or replacement of deficient equipment shall meet the requirements defined in section 6.2.

6.4. Training. The Contractor is responsible for and shall provide training sessions to Shipyard Personnel on the operation and 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. The Contractor shall deliver the following information, electronically to the COR and TPOC, and in hard copy when the equipment is delivered to the Government:

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 water proof case affixed to each machine.

6.5.2. Points of contact with telephone numbers for requesting emergency repairs 24 hours 7 days a week

6.5.3. Preventative Maintenance Schedules. (See section 6.3)

6.5.4. Equipment Data Sheet (EDS)

7. DELIVERY / ACCEPTANCE / RETURN.

7.1. Delivery. Except as noted below in paragraph 7.3, the Contractor shall deliver machinery that is fully-charged, fully-assembled, ready-to-use, in a first-class-operating condition and functions 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 COR and TPOC, if appointed. The Government can provide forklift services for removing machinery from Contractor’s transport during work hours. The Contractor shall provide the COR and TPOC with an itemized list of all equipment delivered at the time of delivery.

7.2. Start Up- Upon delivery, the Contractor shall: (i) provide start up and commissioning of the equipment to verify its operability per SOW; (ii) provide all deliverables as required per SOW; and (iii) train designated Shipyard personnel on how to properly run the equipment to include its operation, control, daily checks, & service contacts per SOW section 6.4.

7.3. Security- For work performed at a government installation, the Contractor and personnel assigned to perform the contract, shall meet the security requirements of that installation/activity.

7.4. Receipt Inspection Criteria- Equipment must meet all criteria defined in this specification.

7.5. Final Acceptance. Upon satisfactory completion of inspection and test of the equipment, the authorized

Government Representative (Portsmouth Naval Shipyard Code 990 Equipment Manager or Project Temporary Service Zone Manager) will sign and forward the acceptance document(s) to the POC as designated on the Contract and/or the COR for completion. Unloading of equipment from Contractor’s transport does not signify acceptance.

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 last day of the rental period shall be the next normal workday after the Contractor has been so notified. The Contractor shall be responsible for shipping. The

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Government can provide forklift services during work hours for placing the equipment onto the Contractor’s transport.

8. ATTACHMENTS

8.1. N/A

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SOW REQUIREMENT COMPLIANCE WITH

SOW.

(See Instructions Below)

EXCEPTIONS TO SOW.

(See Instructions Below)

Equipment

DCCU

5,000 CFM @ 5” ESP

Moisture removal: 140Lbs./Hr.

Moisture removal rate basis: 80°F EDB / 60%

RH

Process air inlet/outlet: 20” Dia.

UL listed Electric reactivation of desiccant Physical dimensions 1 circuit at 460 VAC / 3 Phase / 60 Hz

FLA: 200A

Cable provided: 200 FT Electric cable properly sized for load Camlok electric cable connections 60 kW Inline Post Heater Air inlet/outlet: 20” Dia.

UL listed High temp limits Thermostatically controlled discharge temp.

1 circuit at 460 VAC / 3 Phase / 60 Hz

FLA: 100A

Flexible Duct Work 20” Dia.

25 FT lengths 200 FT total length provided Capable of withstanding pressure of system No yellow or magenta colors Coupler provided Services

3.10 Equipment Start-up and Commissioning

Services

6.3 Preventative Maintenance

Error!

Reference source not found.

Training

6.5 Deliverables

INSTRUCTIONS

1. COMPLIANCE WITH SOW.

(i) Use YES or NO to identify if equipment and services comply with all SOW requirements.

(ii) Ensure answers are consistent with any brochures, specification sheets or other descriptive literature provided in your quote.

2. EXCEPTIONS TO SOW.

(i) Identify any exceptions to the SOW. Note: answers are required for any NO in prior column.

(ii) Explain reason for exception.