N6449817C0004.docx

N64498-17-C-0004

Section B - Supplies or Services and Prices

$0.00

First ArticlTesting Unit/Production Unit 2,000 Gallon per Day High Purity Reverse Osmosis (HPRO) First Article Test Unit and Production Unit IAW the Statement of Work in Section C. All shipping costs are included in the line item unit price per item.

FFP

0001AA

Funding in support of CLIN 0001 FOB: Destination

PURCHASE REQUEST NUMBER: 1300630772

ACRN AA

CIN: 130063077200001

$238,274.00

$0.00

First Article Testing 2,000 Gallon per Day High Purity Reverse Osmosis Unit IAW Paragraph 4.2 of SOW and DD 1423 Contract Data Requirements Lists (CDRLs) A013 through A026 and A029 through A036 .

0002AA

Funding in support of CLIN 0002

PURCHASE REQUEST NUMBER: 1300630772

ACRN AA

CIN: 130063077200002

$130,920.00

NSP

Technical Data Technical Data as required by DD Form 1423 Contract Data Requirements Lists (CDRLs), Exhibit A, A001 - A012 and A027 - A028. (Not Separately Priced).

NET AMT

CLAUSES INCORPORATED BY FULL TEXT

HQ B-2-0004 EXPEDITING CONTRACT CLOSEOUT (NAVSEA) (DEC 1995)

(a) As part of the negotiated fixed price or total estimated amount of this contract, both the Government and the Contractor have agreed to waive any entitlement that otherwise might accrue to either party in any residual dollar amount of $500 or less at the time of final contract closeout. The term "residual dollar amount" shall include all money that would otherwise be owed to either party at the end of the contract, except that, amounts connected in any way with taxation, allegations of fraud and/or antitrust violations shall be excluded. For purposes of determining residual dollar amounts, offsets of money owed by one party against money that would otherwise be paid by that party may be considered to the extent permitted by law.

(b) This agreement to waive entitlement to residual dollar amounts has been considered by both parties. It is agreed that the administrative costs for either party associated with collecting such small dollar amounts could exceed the amount to be recovered.

CLAUSES INCORPORATED BY FULL TEXT

HQ B-2-0022 CONTRACT SUMMARY FOR PAYMENT OFFICE (FIXED PRICE) (FEB 1997)

This entire contract is fixed price.

Section C - Descriptions and Specifications

SPECIFICATION

NAVSEA NO. 802-7487312

2,000 GALLON PER DAY

HIGH PURITY

REVERSE OSMOSIS (HPRO) UNIT

1. SCOPE

The High Purity Reverse Osmosis (HPRO) Unit is designed for the purpose of providing 2,000 gallons per day (GPD) of high purity water with a total dissolved solids level below 10 parts per million for shipboard use. This section covers the requirements for the HPRO Unit.

1.1 Technical Data Package

The Contractor shall use this statement of work to produce the required First Article and all other production units.

1.2 First Article Testing

The first HPRO Unit ship set shall be fabricated for use in First Article Testing (see para. 4.3).

1.3 Production

The Contractor shall begin design and production of the First Article Unit ship set, from contract award. Once First Article Testing has been completed, and test reports accepted and approved by the Contracting Agency, the Contractor shall correct any manufacturing or parts defects exposed during First Article Testing on any units previously accepted by NSWCPD.

1.4 Critical Manufacturing Points (CMP)

Naval Surface Warfare Center (NSWCPD) or a NSWCPD designated agent will review and inspect ongoing manufacturing efforts at the critical points listed below during manufacture of the First Article as well as at any time during manufacture of the HPRO units.

Critical Manufacturing Points (CMP) are defined as:

a. at a point during the initial development of the process and instrumentation and flow diagrams of the HPRO unit

b. at a point where the process and instrumentation and flow diagrams are in final development and the initial list of components and materials of construction has been developed

c. at a point where the detailed drawing development for the HPRO unit is approx. 50 percent complete, the process and instrumentation and flow diagrams are finalized, and the majority of the components have been selected

d. at a point where the detailed drawing development for the HPRO unit is 100 percent complete, all the components have been selected, and prior to actual start of fabrication

e. after unit fabrication is 75 percent complete

h. at the final unit inspection following completion of all first article testing.

The Contractor shall notify NSWCPD one week prior to reaching the above CMPs. Notification will be provided to NSWCPD via a conference agenda (CDRL A001) and conference minutes (CDRL A002). Contractor shall provide project planning chart no more than 30 days following contract reward (CDRL A004).

2.0 APPLICABLE DOCUMENTS

2.1 General

The following documents shall form a part of this statement of work to the extent specified herein.

2.2 Government Documents

SPECIFICATIONS

MILITARY

MIL-S-901D dated 17 March 1989 - Shock Tests, H.I. (High Impact); Shipboard Machinery, Equipment and Systems, Requirements for MIL-F-1183J dated 5 May 1987 - Fittings, Pipe, Cast Bronze, Silver Brazing, General Specification For MIL-DTL-1222J dated 8 December 2000 - Studs, Bolts, Screws, Socket Head Cap Screws and Nuts MIL-DTL-2036E dated 14 February 2014 - Enclosures for Electric and Electronic Equipment, Naval Shipboard MIL-DTL-2212K dated 14 January 2014 - Contactors and Controllers, Electric Motor AC or DC, and Associated Switching Devices MIL-PRF-2940D dated 13 April 1999 - Snubbers, Fluid Pressure, Instrument Protection MIL-T-16420K with Amendment 1 dated 16 September 1988 - Tube, Copper Nickel Alloy, Seamless and Welded MIL-G-18997E with Amendment 2 dated 14 March 2006 – Gauge, Pressure Dial Indicating (Naval Shipboard Use) MIL-PRF-20042F dated 13 May 2015 - Flanges, Pipe, Bronze, (Silver Brazing) MIL-T-24388C dated 30 March 1990 – Thermocouple and Resistance Assemblies, General Specification for (Naval Shipboard) MIL-DTL-24578C dated 31 March 2015 - Valves, Globe, Pressure Instrument, Stem Test Connection, Union End MIL-DTL-24643C with Supplement 1A dated 13 Dec 2011 – Cables and Cords, Electric, Low Smoke, for Shipboard Use, General Specification for MIL-D-24709 dated 4 November 1988 - Distributed Isolation Material Type R-50-21/64, 4 November 1988 MIL-T-24742 dated 29 April 1990 – Tranduscer, Pressure and Differential Pressure, Miniature (Electrical)(Naval Shipboard Use)

STANDARDS

MIL-STD-22D with Notices 1 and 2 dated 31 January 1984 - Weld Joint Design MIL-STD-167-1A dated 2 November 2005 - Mechanical Vibrations of Shipboard Equipment (Type I, Environmental and Type II Internally Excited) MIL-HDBK-267A dated 3 March 1987– Guide for Selection of Lubricants and Hydraulic Fluids for use in Shipboard Equipment MIL-STD-461F dated 10 December 2007 - Electromagnetic Emission and Acceptability Requirements MIL-STD-1474E dated 15 April 2015 - Airborne Sound Measurement and Acceptance Criteria of Shipboard Equipment MIL-HDBK-781A dated 1 April 1996 - Reliability Testing for Engineering Development, Qualification, and Production MIL-STD-1310H dated 12 August 2014 - Shipboard Bonding, Grounding, and other Techniques for Electromagnetic Compatibility and Safety MIL-STD-1399, Section 300B with Notice 1 dated 24 April 2008 - Interface Standard for Shipboard Systems, Section 300A, Electric Power, Alternating Current

2.2.2 Other Government Documents, Drawings, and Publications

The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Military publications can be obtained from:

Defense Logistics Agency Document Automation and Production Service DAPS Headquarters 5450 Carlisle Pike Bldg. 09 PO Box 2020 Mechanicsburg, PA 17055-0788 Call toll free 1-877-DAPS-CAN https://tmpods-b.daps.dla.mil or http://nll.ahf.nmci.navy.mil.)

The Department of Defense Single Stock Point for Military Specifications, Standards, and Related Publications http://www.dodssp.daps.mil/ or

IHS Engineering Englewood, CO http://www.ihs.com

PUBLICATIONS

NAVAL SEA SYSTEMS COMMAND (NAVSEA)

S9078-AA-HBK-010/DIM - Mount Design Handbook, Distributed Isolation Material (DIM) Navy - A Users Guide of Design, Procurement, Install and Inspection Info S6430-AE-TED-010 – Technical Directive for Piping Devices, Flexible Hose Assemblies 0900-LP-001-7000 with Change 1 dated January 1981 - Fabrication and Inspection of Brazed Piping Systems MIL-HDBK-267 – Guide for Selection of Lubricants and Hydraulic Fluids for use in Shipboard Equipment

FEDERAL SPECIFICATION

QQ-N-00286F - Nickel Copper Aluminum Alloy, Wrought (UNS N05500), 29 November 1990

DRAWINGS

NAVAL SEA SYSTEMS COMMAND (NAVSEA)

Attachment A: 803-1385850J - Piping, Instrument Pressure for all Service Attachment B: 803-1385884 - Unions, Fittings and Adapters, Butt and Socket Welding, 6000 PSI WOG NPS

2.3 Non-Government Publications

The following documents form a part of this statement of work to the extent specified herein. These publications must be procured from the applicable standards organization.

ASQ/ANSI/ISO 9001:2015 - Quality Management Systems-Requirements

(Copy of this document may be purchased from the American Society for Quality, 600 North Plankinton Avenue, Milwaukee, WI 53203. http://www.asq.org)

AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME)

B16.5 - Pipe Flanges and Flanged Fittings ASME Boiler and Pressure Vessel Code, Section VIII Division I - Pressure Vessels ASME Boiler and Pressure Vessel Code, Section IX - Welding and Brazing Qualifications ASME Boiler and Pressure Vessel Code, Section X - Fiber-Reinforced Plastic Pressure Vessels

Y14.2 - Line Convention and Lettering Y14.3 - Multiview and Sectional Drawings Y14.5 - Dimensioning and Tolerancing

(Copies of these documents are available from ASME International, 22 Law Drive, PO Box 2900, Fairfield, NJ 07007-2900 or online at www.asme.org.)

AMERICAN SOCIETY FOR TESTING MATERIALS (ASTM)

A354 - Standard Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners A380/A380M - Standard Practice for Cleaning, Descaling, and Passivation of Stainless Steel Parts, Equipment and Systems A563 - Standard Specification for Carbon and Alloy Steel Nuts A967/A967M - Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts

F467 - Standard Specification for Non-Ferrous Nuts for General Use F468 - Standard Specification for Non-Ferrous Bolts, Hex Cap Screws, and Studs for General Use F593 REV A - Standard Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs F594 - Standard Specification for Stainless Steel Nuts

(Copies of these documents are available from ASTM International, 100 Barr Harbor Dr., PO Box C700, West Conshohocken, PA 19428-2959 or online at www.astm.org.)

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS

IEEE 45 dated 19 October 1998 - Recommended Practice for Electric Installations on Shipboard IEEE 315A dated 31 October 1975 - Graphic Symbols for Electrical and Electronics Diagrams

(Copies of these documents are available from IEEE 445 Hoes Lane Piscataway, New Jersey 08854-1331,or online at www.ieee.org.)

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION

ICS 3 - Industrial Control and Systems Factory Built Assemblies ICS 4 - Terminal Blocks for Industrial Use MG 1 - Motors and Generators

(Copies of these documents are available from National Electrical Manufacturers Association 1300 North 17th Street, Suite 1752, Rosslyn, Virginia 22209, or online at www.nema.org.)

SOCIETY OF AUTOMOTIVE ENGINEERS (SAE)

J1453-1- Specification for O-ring Face Seal Fitting J1926-1 - Specification for Straight Thread O-ring Boss Ports

(Copies of these documents are available from SAE World Headquarters, 400 Commonwealth Drive, Warrendale, PA 15096-0001 or online at www.sae.org.)

HYDRAULIC INSTITUTE

American National Standard for Reciprocating Pumps (ANSI/HI 6.1 – 6.6)

(Copies of these documents are available from the Hydraulic Institute, PO box 34289, Newark NJ 07189-0289 online at www.pumps.org.)

MANUFACTURER’S STANDARDIZATION SOCIETY OF THE VALVE AND FITTING INDUSTRY

MSS SP-119 - Bell End Socket Welding Fittings, Stainless Steel and Copper Nickel

(Application for copies should be addressed to the Manufacturers Standardization Society, 127 Park Street, NE, Vienna, VA 22180-4602.)

2.4 Order of Precedence

In the event of a conflict between the text of this statement of work and the references cited herein (except for related associated specifications, or specification sheets), the text of this statement of work takes precedence. Nothing in this statement of work, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.

3.0 DETAIL REQUIREMENTS

0. Characteristics

The HPRO unit shall be capable of producing high purity water as specified in 3.3.3. The unit shall require minimal operator attention and manning as specified in 3.4.1. The HPRO unit shall be an electrically operated, package-type (skid mounted) unit ready for operation (turn-key system). The HPRO unit shall have a foot print no greater than 54 inches x 28 inches with a design envelope as shown in Figures 1 through 3. The RO unit design shall also consider the available maintenance assess areas detailed in Figure 3. Removal of the membrane pressure vessels from the HPRO unit frame for installation or removal of the membrane elements, when installed on the ship, is considered acceptable; provided, the pressure vessels can be removed from the unit within the available maintenance access detailed in Figure 3. No permanent part of the RO shall extend into the maintenance access envelope areas indicated in Figure 3. The HPRO unit shall be capable of fitting through a hatch measuring 42 inches by 36 inches with 7.78 inch radius corners (see Figure 4). The weight of the second pass RO unit shall not exceed 1,200 lbs.

0. Ship Interface Connections

Piping interfaces shall terminate at the side edges of the unit design envelope as detailed in Figures 1 through 3. The size and location of the terminal connections shall match the attached piping size and terminate with a flange mechanical joint. All low pressure piping system interface flanges shall be fabricated from the same material as the piping and dimensionally in accordance with ASME/ANSI B16.5 or with MIL-PRF-20042F dated 13 May 2015 for non-ferrous alloy flanges with a flat face flange facing and non-metallic gaskets. The piping interface connections shall not be located such that they will interfere with HPRO unit maintenance. The following piping interfaces shall be required:

a. De-chlorinated/brominated feedwater supply to the unit. One 0.5” NPS interface connection shall be provided. Normal feedwater supply operating pressure will be 40 psi, maximum operating pressure will be 60 psi. Piping system class shall be 150 psi.

0. System Requirements

The HPRO unit shall include the appropriate piping components (piping, fittings, valves, check valves, relief valves, etc.), pumps, and flowmeters to ensure that the following requirements, at a minimum, are satisfied:

a. Automatically securing the feedwater supply to the HPRO whenever the unit is secured.

b. Isolating and draining the filter vessel to permit cartridge filter replacement.

c. Protecting the concentrate, permeate, and high pressure feedwater systems from over-pressurization.

d. Maintaining feedwater pressure to the HP pump within the limits prescribed by the pump manufacturer.

e. Preventing the concentrate and permeate from back-flowing into the HPRO unit.

f. Measuring the feed (or concentrate), recirc (if used), and permeate flow rates in GPM and the cumulative total of permeate produced in gallons.

g. Venting of entrained air from incoming feedwater.

h. Minimizing entrapped air in the HPRO unit.

i. Permitting the continuous operation of the HPRO unit when conductivity monitoring device is removed for repair or replacement.

0. Shelf Life

Shelf life capability of the HPRO unit shall be no less than 12 months. Shelf life is the period of time from delivery until system startup. Following the shelf life period the HPRO unit shall still have the specified operational service life without component or part replacement, adjustment, or maintenance action. Membranes shall be provided in a separate shipment just prior to planned installation when notified by NSWCPD. Membrane shelve life shall be no greater than 6 months when shipped to NSWCPD.

0. Qualification

HPRO units furnished under this statement of work shall be products that are manufactured in accordance with the inspection requirements of either para. 3.2.1 or 3.2.2.

3.2.1 First Article

A sample unit shall be subjected to firstarticle inspection along with other tests and requirements as specified in para. 4.3.

3.2.2 Quality Conformance

Each HPRO unit shall be subjected to quality conformance inspection in accordance with para. 4.4 which includes an 8-hour operational test.

1. Configuration Changes

Any modifications to a previously qualified design HPRO unit shall be the basis for repeating first article testing (see para. 3.2.1) of the entire unit or component. The Contractor may request from the procuring activity a waiver of all or part of the first article tests. The request shall provide a technical rationale for the waiver. The procuring activity shall make the final determination on the waiver request. Engineering change proposals will also be required for any system design changes made to previously approved system or component designs. (CDRL A011)

3.3 Performance Requirements

3.3.1 Capabilities

When operating at specified environmental conditions (see para. 3.3.6) and within the specified pressure limits (see para. 3.3.2), the HPRO unit shall be capable of producing acceptable quality permeate (see para. 3.3.4) over the entire range of specified feedwater conditions (see para. 3.3.3). Production rate under various feedwater conditions shall be in accordance with para. 3.3.1.1.

3.3.1.1 Permeate Production Rate

The design capacity of the HPRO unit, with a 0.9 membrane fouling factor or the equivalent applied, shall be 2,000 GPD with a feedwater supply total dissolved solids level of 500 parts per million (ppm) and feed temperatures between 35 degrees F and 95 degrees F. Overall system recovery shall not be less than 40 percent A means shall be provided for ensuring uniform permeate flow rate over time such that a variation in permeate flow does not deviate by more than 1 percent of the nominal set value during any 15 minute operating period. A concentrate throttling device may be utilized to ensure uniformity of flow with operating time. Gate and ball valves shall not be used for concentrate throttling. The maximum permeate back pressure on the HPRO unit is expected to be 15 psi.

3.3.2 Operating Pressure

The HPRO unit operation shall not exceed HPRO membrane element manufacturer’s operating pressure limitations.

3.3.3 Feedwater Characteristics

For design purposes, feedwater entering the HPRO unit shall be considered to have the following characteristics.

FEEDWATER PROPERTIES CHARACTERISTICS

Total Dissolved Solids (TDS) 500 ppm maximum Constituents

3.3.4 Permeate Water Quality

The permeate quality shall at all times be less than 10 ppm TDS. With new membranes installed and operating with 500 ppm feed, permeate conductivity shall not exceed 10 ppm TDS throughout the feedwater inlet temperature range given in para. 3.3.3.

3.3.5 Service Life

The unit shall be designed for a useful service life of 20 years without a failure of the following major components: HPRO pressure vessels (including end caps), filter housings, high-pressure pump casing(s), pulsation reduction device housings, piping and unit frames and base(s).

3.3.6 Environmental Conditions

The unit shall be designed for operation at ambient air temperatures between 40 and 125 degrees F. Feedwater splashing onto the unit can be expected to occur during filter and membrane element replacement.

3.4 Operation

3.4.1 Normal Operation

HPRO units shall be designed to start-up and produce the specified quantity and quality of permeate within 15 minutes or less. Normal operation shall require no more than 5 minutes of single operator attention for every 2 hours of operation. The maximum time for normal shutdown is 10 minutes. See para. 3.5 for description of control and indication system.

3.4.2 Monitoring

A means shall be provided to monitor and automatically divert high TDS permeate (as specified in para. 3.3.4) to the concentrate discharge and to ensure that the unit shall continue to operate during this time. A means shall also be provided for manually (not automatically) redirecting permeate from the concentrate discharge line back to the high purity water storage tank when permeate readings are acceptable. The monitoring system and the component to automatically divert high TDS permeate shall meet paras. 3.1.2(i), 3.5.2, and 3.19.10.

3.4.3 Startup/Shutdown

The units shall be started manually until operating normally and producing acceptable quality permeate as specified in para. 3.3.4. The unit shall be automatically monitored for abnormal conditions by controls and indicators as specified in para. 3.5 and shall automatically shutdown when any one of the shutdown conditions identified in Table I is encountered. Once the operator has corrected the problem, the unit shall be restarted manually. Fully automatic restarts shall not be allowed.

3.4.4 Restrictions on Use of Chemicals

The use of chemicals is prohibited for normal operation in order to minimize Hazardous Material (HAZMAT) storage, handling aboard ship, and discharge. Chemicals may be provided for use in the event that cleaning of membrane elements is necessary (see para. 3.19.15) following mineral scale, organic or hydrocarbon contamination. Such cleaning, however, is not to be construed as a normal operational procedure. Installation of a permanently mounted cleaning tank is not required.

3.5 Controls and Indicators

Monitor, alarm, startup and shutdown functions shall be centralized. The minimum instrumentation for a reverse osmosis unit shall be as listed in Table I and para. 3.5.1.2. Installation shall be as detailed in para. 3.20. Any one of the unit alarm or shutdown conditions shall close a set of contacts that shall indicate a summary fault and/or alarm condition on the local control panel. The control panel shall be provided with a first out indication system where only the first condition to cause a summary fault or alarm is indicated prior to acknowledging the alarm. Dedicated circuits shall be provided for each of the remote indications as listed in Table I. Dedicated circuits, rated for 120VAC, 1PH, 60 Hz service, using internal normally open contact circuits, shall be provided for remote indication of unit status (HP pump operating or secured), summary fault, summary alarm, and salinity dump valve position. Remote commanded unit emergency shutdown (without freshwater flushing) shall be accommodated using an external normally closed contact. Each of these circuits will be connected to a dedicated data acquisition/command interface to the ships machinery control system and displayed or controlled from the ships machinery control consoles. Electrical controls and instrumentation shall not be located in areas where they could be exposed to fluid leakage during calibration and maintenance. The concentrate back pressure control throttling device shall be within direct line of sight of the permeate flow meter.

3.5.1 Installation

Pressure instruments and associated piping shall be installed as detailed in drawing, NAVSEA No. 803-1385850, Rev.J, dated 31 July 1990. In addition, the following shall apply:

1. Instrument root valves are not required.

3.5.1.1 Pressure Instruments

Pressure gages shall use U.S. Customary (English) units of measurement. The range of scale chosen shall be such that the normal operating point is in the middle half (25 to 75 percent) of the scale. Pressure gages shall have a manually adjusting red-colored pointer in addition to the indicating pointer. The red hand shall be set at approximately the more critical maximum or minimum operating pressure for the applicable system. Pressure gages shall meet the dimension, end connection, and performance requirements of Mil. Spec. MIL-G-18997E, with Amendment 1, dated 1 June 1995. Pressure gage first article testing in accordance with MIL-G-18997 may be waived provided the RO unit shock and vibration and endurance test requirements are met. Pressure transducers in accordance with Mil. Spec. Mil. Spec. MIL-T-24742, dated 29 April 1990 with remote readouts may be used in lieu of pressure gages, provided the provisions in this section are met. Snubbers, in accordance with Mil. Spec. MIL-PRF-2940D dated 13 April 1999, shall be provided in the sensing line to all transducer and to pressure gages subject to pulsation. Pressure instruments shall meet the visibility requirements of ASTM F1166.

TABLE I.- LIST OF MONITORS, ALARMS, AND SHUTDOWNS

DESCRIPTION INDICATION/ ALARM RO UNIT REMOTE

METER INDICATION SHUTDOWN INDICATION

Pressure

Filter

Flow

Permeate (totalizing) X Salinity Conductivity controller X HI Summary alarm (trips dumping system) Analog signal High pressure pump soft starter Overload/Drive Summary fault fault Elasped operating time X

3.5.1.2 Pressure Switches

Pressure switches shall be installed such that adjustments can be easily accomplished. All switches with indicators shall be clearly identified and labeled to show the measured variable and the measurement unit used. Switches shall be in accordance with Mil. Spec. MIL-DTL-1222H dated 10 February 1997.

3.5.1.3 Manually operated switches

Manually operated switches and indicators shall meet the requirements of Mil. Spec. MIL-DTL-2212K dated 14 January 2014. Table II lists typical switches, applicable indicators, and their function. Switches shall preclude inadvertent actuation, restarting of the unit or actuation of any electrical component after power is restored following a loss of power situation, and shall be readily accessible.

TABLE II.- LIST OF MANUAL SWITCHES (TYPICAL)

SWITCH DESCRIPTION INDICATOR FUNCTION

permissives are met)

3.5.2 Salinity Indicating System

The equipment shall have the ability to activate externally-operated dump valves, indicators, and alarms. A high salinity condition shall activate an audible alarm in addition to the summary alarm and high salinity indication. The meter range shall be in either micromhos/cm or microSiemens/cm. An isolated 0-10V DC analog output shall be provided for remote indication of the salinity reading. This remote salinity indication shall be powered from a remote power source and isolated from the internal RO unit control system power supply. The salinity cell installation shall allow for removal of the salinity cell and manual sample collection while the RO system is operating for maintenance and repair. Salinity cell removal shall be accomplished without having to twist the attached cable.

3.5.2.1 Mounting

Salinity system monitor shall be either incorporated into the control system cabinets or mounted adjacent to the control system enclosure. Electrical enclosures shall be mounted on the unit control panel/gage board module.

3.5.2.1.1 Identification

Identification plates for the salinity cells shall be attached to the cell body. The following minimum information shall be provided:

SALINITY MONITOR PANEL SENSOR

Manufacturer’s name and serial number Manufacturer’s name and serial number

Ratings and range Cell constant

Part number Part number

3.5.2.3 Operating Instructions

Instructions for operating and interpreting all controls and indicators of the salinity indicating equipment shall be marked on a plate and attached to the front of each panel. As a minimum, the following instructions shall be provided:

a. Testing the meter.

b. Setting and testing salinity channel module alarm point(s).

c. Operation of bell or horn cutout switch and salinity channel module alarm light.

d. Operation of dump light, dump cutout switch, and dump cutout light.

Removal and insertion of sensor under pressurized condition.

3.5.2.4 Salinity Monitor Cooling

Monitor cooling shall be accomplished using only external natural air convection circulation. Fluids other than natural convection air are prohibited.

3.5.2.5 Access to Internal Parts

Ready access to all internal parts shall be obtained through the hinged front door of the salinity panel.

3.5.2.6 Alarm Level Control

A means shall be provided for the alarm level control that shall permit continuous adjustment of the high salinity alarm set point over the full meter range. Where a salinity channel module is connected to a dump circuit, the high salinity alarm set point shall be the dump set point. The alarm level control shall be adjustable from the front of the panel. Provisions shall be made to prevent inadvertent adjustment of the alarm set point. A means for adjusting alarm set point, such as variable resistor and test switch, shall be furnished for checking meter operation so that the operator can observe the visual and audible alarm signal. Adjustment of the alarm set point shall be possible without unintentionally actuating the dump valve.

3.5.2.7 Alarms

The characteristics of both the audible alarms and visual displays shall be in accordance with ASTM F1166.

3.5.2.8 Dump Valve

The salinity indicating system shall be provided with the means to automatically actuate an independent, solenoid operated dump valve to divert high TDS water to the system gravity drain. An indicator shall illuminate on the control panel whenever the dump valve is diverted to the system gravity drain.

3.5.2.9 Accuracy

The accuracy of the salinity indicating equipment shall be as follows:

a. Salinity monitor accuracy (simulated input at the monitor) plus or minus 3 percent of full scale meter arc.

b. System accuracy (actual input from sensors). The salinity monitor meter shall duplicate the standard reference instrument within plus or minus 5 percent of monitor meter full scale arc in accordance with para. 4.5.16.3.

c. Sensor cell constant accuracy - plus or minus 2 percent when tested in accordance with method A of ASTM D1125.

d. Alarm accuracy plus or minus 5 percent of set point.

3.5.2.10 Sensor Temperature Compensator Response

The time required to reach 63 percent of a 50 degrees F change in fluid temperature (that is, 63 percent of the difference in resistance between two stabilized baths) shall be less than 30 seconds (see para. 4.5.16.2).

3.5.2.11 Overrange

The salinity indicating equipment shall be capable of being overranged, including having a short circuit across sensor electrodes, temperature compensator, and both electrodes and temperature compensator without damage to sensor or salinity monitor (see para. 4.5.16.4).

3.6 Preventative Maintenance and Repair

Maintenance actions and repairs, with the exception of motor rewinding, shall be capable of being performed on board ship using the available access detailed in Figure 3. The following accessibility requirements shall apply:

a. All major test points, adjustments and servicing points peculiar to the unit shall be readily accessible without the need to first remove obstructions. Any component that is subject to periodic inspection or replacement shall, likewise, be readily accessible without the need to remove obstructions.

b. Warning labels shall be readily visible and readable by the operator while standing or kneeling adjacent to the unit. These plates shall be mounted on or adjacent to the unit.

c. Unit components (other than HPRO membrane elements) that weigh more than 44 pounds and are removable for maintenance or inplace repair shall have lift lugs, eyes, or pads.

3.6.1 Preventative Maintenance

Preventative (scheduled) maintenance, except for a daily visual inspection, shall be required no more than once every 7 days.

3.6.2 Repair

Requirements for non-standard size and special tools, jigs, and fixtures shall be kept to a minimum. Those special tools, jigs, and fixtures that are required for maintenance or repair shall be supplied with each HPRO unit. Special tools are defined as those items not listed in the Federal Supply Catalog. The unit shall be designed to allow for disassembly and re-assembly without the need for welding when replacement of components is required.

3.7 Reliability

The Contractor shall provide a standard warranty for the HPRO unit for a minimum period of one year from activation aboard ship. The HPRO unit shall meet or exceed the following requirements:

3.8 Hydraulic Pressure

All components of the unit which are exposed to positive pressure, with the exception of the membrane elements, shall withstand, without plastic yielding, permanent deformation, or malfunction (leakage and so forth), a hydrostatic test pressure of 1.5 times the design pressure of the item for no less than 30 minutes.

3.9 Interchangeability

In no case shall parts be physically interchangeable or reversible unless such parts are also interchangeable or reversible with regard to function, performance, and strength.

3.10 Electromagnetic Interference

The HPRO unit shall meet the electromagnetic interference (EMI) requirements of MIL-STD-461F dated 10 December 2007 for surface ship equipment mounted below deck including test CE101.

3.11 Shock Requirements

The assembled HPRO unit shall conform to grade B shock requirements in accordance with Mil. Spec. MIL-S-901D dated 17 March 1989 for Class II, Type A equipment.

3.12 Vibration Requirements

The assembled HPRO unit shall meet the requirement of MIL-STD 167-1 for the frequency range of 4 to 25Hz.

3.13 Requirements Due to Ship Attitude or Motion

The complete HPRO unit assembly shall be mounted with the long axis in the forward/aft alignment. The unit shall maintain design performance without damage or degradation when under the following conditions:

· When the ship is permanently trimmed down by the bow or stern as much as 7 degrees from the normal horizontal plane.

· When the ship is permanently listed up to 15 degrees to either side of the vertical with a period of 9 seconds.

· When the ship is pitching 15 degrees up or down from its normal horizontal plane.

· When the ship is rolling up to 35 degrees to either side of the vertical with a period of 9 seconds.

3.14 Noise

The HPRO unit shall meet the airborne noise limits in para. 3.14.1 when measured in accordance with MIL-STD-1474E. Airborne noise acceptance criteria shall not be exceeded for any operating condition.

3.14.1 Airborne Noise Acceptance Levels

re: 20 uPa

3.14.2 Noise Control

Resilient mounts shall be provided for high pressure pump mounting and attached dog leg hose supports. Resilient mounts shall be selected and installed in accordance with publication, S9073-A2-HBK-010. Distributed Isolation Material (DIM), resilient or Government-approved mounts maybe used to further isolate the high pressure pump or other membrane/filter skid modules from the ship's structure (see paras. 3.19.17 and 3.19.18) if required to meet the specified noise requirements. These DIM mounts (if used) shall be provided with the HPRO unit.

3.15 Identification Plates

Each HPRO unit module shall bear an identification plate with the following information:

a. Item identification (equipment title, serial number, part number)

b. Size (2,000 GPD)

c. Name and address of manufacturer

d. Contract or order number (use width of plate to allow maximum number of spaces)

e. National stock number (allow 20 spaces)

f. Date of manufacture.

Label plates shall be clearly legible, permanently secured, and shall last for the life of the HPRO unit.

3.15.1 Valve Identification Plates

Valves shall be marked in accordance with ASTM F992, with the valve function or description and number corresponding to the valve number identified in the flow schematic.

3.15.2 Information Plates

Information plates shall be provided and shall include, but not be limited to: startup and shutdown procedures, flow schematics, and wiring diagrams. These plates shall be provided loose for mounting by the installation contractor. Information plates shall meet the visibility requirements of ASTM F1166.

3.16 Materials

Materials used in the HPRO unit shall be compatible with the environment in which they will operate. The maximum general corrosion rate or pitting corrosion rate shall be limited to 2 mils per year (mpy) for those internal surfaces and materials used to contain, carry or transport feedwater. Acceptable materials for contact with permeate include 70-30 copper nickel and passivated 316 or 316L stainless steel. Type 316 or 316L stainless steel part passivation shall be accomplished in accordance with ASTM A967. Consideration shall be given to use of electropolished 316L materials for components with tight crevices that are in contact with feedwater and concentrate.

3.16.1 Excluded Materials

3.16.1.1 Copper-silicon Fasteners

Copper-silicon and silicon-bronze fasteners shall not be used.

3.16.1.2 Mercury

HPRO units shall contain no mercury in any form. No mercury-bearing instruments or equipment, except for mercury-vapor lighting, that might cause contamination shall be used in the manufacture, fabrication, assembly, or testing of any material. In the event of any accident involving mercury contamination of the material being furnished or suspicion of such contamination, notify procuring activity immediately.

3.16.1.3 Magnesium and Aluminum

Magnesium and magnesium alloys shall not be used in any component. Aluminum and aluminum alloys shall not be used for water-wetted applications.

3.16.1.4 Cadmium Plating

Cadmium plating shall not be used on any component.

3.16.1.5 Plastics

Toxic materials such as polyvinyl chloride (PVC), chlorinated polyvinyl chloride (CPVC), polybutadienes (PB), polyethylene (PE), and acrylonitrile-butadiene-styrene (ABS) shall not be permitted to be used in any component of the HPRO unit because of fire hazard.

3.16.1.6 Silicone

To eliminate the potential for fouling the HPRO membrane, the use of silicone lubricants and sealants shall be minimized anywhere they can come in contact with the direct feed to the membranes. Where silicone is in contact with the direct feed to the membranes, guidance shall be provided to ensure sparing application of the silicone.

3.16.1.7 Lead

Lead and its compounds shall not be used where they can come in contact with feedwater feed, permeate, or concentrate. The lead content in bronze alloys shall not exceed the levels allowed by ASTM B61.

3.16.1.8 Recycled, Recovered, or Environmentally Preferable Materials

Recycled, recovered, or environmentally preferable materials shall be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs.

3.16.2 Moisture and Fungus Resistance

The unit shall be designed so that its constituent materials are not nutrients for fungi. The materials used, other than the HPRO membranes and filter media, shall not absorb and hold moisture. No materials used in the HPRO unit shall degrade in the presence of moisture.

3.16.3 Lubricants

Lubricants and/or hydraulic fluids shall be selected from those standard lubricants and hydraulic fluids listed in MIL-HDBK-267. Components and equipment that do not require relubrication by ship’s force during routine maintenance between overhauls are not required to utilize a standard lubricant. The use of lubricants not listed in MIL-HDBK 267 will require written approval from NSWCPD.

3.17 Fabrication

3.17.1 Welding and Brazing

Welding and inspection of pressure vessels, castings and piping shall meet the requirements of publication, NAVSEA S9074-AR-GIB-010/278. Joint design shall meet the requirements of MIL-STD-22D dated 31 January 1984. There shall be no pockets, crevices, porosity, or notches, which could become points of stress concentrations. The use of backing strips in pressure vessels shall not be permitted. Silver-brazed piping joints shall be accomplished in accordance with publication, NAVSEA 0900-LP-001-7000. Any brazing alloy containing less than 43 percent silver shall not be permitted. Brazed joints in stainless piping systems are not permitted. Silver brazed piping joints are also not permitted in class P-1 piping or A-1 pressure vessels per NAVSEA S9074-AR-GIB-010/278. All structural welding and inspection shall meet the requirements of publication, NAVSEA S9074-AR-GIB-010/278. Requirements for nondestructive testing shall conform to publication, NAVSEA T9074-AS-GIB-010/271. Welding procedure and welder performance qualifications shall be accomplished in accordance with publication, NAVSEA S9074-AQ-010/248.

3.17.2 Casting Inspection and Repair

Inspection and repair of castings shall meet the requirements of sections 12 and 13 of publication, NAVSEA S9074-AR-GIB-010/278. Requirements for nondestructive testing shall conform to publication, NAVSEA T9074-AS-GIB-010/271.

3.17.3 Pressure Vessels

All pressure vessels shall meet the regulations of ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 or Section X, Class I, but do not require ASME stamping regardless of size or pressure. Glass Reinforced Plastic (GRP) pressure vessel attachments and supports, if used, shall meet the performance requirements of ASME, Section X, Appendix AA-5. Pressure vessels made from GRP shall be coated with intumescent epoxy paint that meets the requirements of Mil. Spec. MIL-C-46081A dated 5 August 1970. Membrane pressure vessels smaller than 4 inches nominal diameter do not require this coating.

3.17.4 Frames and Bedplates

The frames and bedplates used to mount the HPRO unit components shall not contain pockets where moisture can accumulate. A means for lifting removable frames and bedplates shall be provided.

3.17.5 Threaded Parts

Threaded fasteners shall be in accordance with Mil. Spec. MIL-S-1222G dated 29 December 1980. All piping flange and support fasteners shall be a nickel copper alloy. Other component fasteners may be either a nickel copper, corrosion resisting steel, or grade 5 or 8 alloy steel where bolting strength is paramount. Nickel copper (Monel) 400 alloy ASTM fastener systems in accordance with ASTM F467 and 468 maybe used as an alternate to Mil. Spec.

MIL-S-1222G dated 29 December 1980. Nickel copper aluminum (K-Monel) 500 alloy ASTM fastener systems in accordance with ASTM F467 and ASTM F468 maybe used as an alternate to Mil. Spec. MIL-S-1222G dated 29 December 1980 provided the materials are in accordance with Fed. Spec. QQ-N-00286F dated 29 November 1990. Stainless steel ASTM fastener systems in accordance with ASTM F593 and 594 may also be used as an alternate to Mil. Spec. MIL-S-1222G dated 29 December 1980 provided fasteners are passivated in accordance with ASTM A380. Grade 5 or 8 alloy steel ASTM fastener systems in accordance with ASTM A354 and 563 may also be used as an alternate to Mil. Spec. MIL-S-1222G dated 29 December 1980. In addition, ASTM A563 inspection lot sizes and sampling shall be modified to require 2 samples per lot for 50 pieces or less lot sizes, and 3 samples for lots with 50 or more pieces. The complete lot shall be rejected if 1 nut fails to meet the test criteria. Straight thread O-ring fittings shall meet the requirements of SAE J1926/1. The use of non-standard threaded fasteners is prohibited.

3.17.6 Painting

HPRO unit components shall be painted before assembly in accordance with the following:

a. External and internal nonferrous (including resilient mounts and hoses) and stainless steel surfaces shall not be painted.

b. The total paint system shall last a minimum of 10 years without blistering, cracking, pealing, or flaking.

3.18 Safety

The unit shall be designed so as to be free of personnel hazards. All safety features shall be such that their functions cannot be inadvertently degraded or negated during operation, storage, shipping, handling, or maintenance. All parts, components, and assemblies of the HPRO shall be free from sharp edges, burrs, protruding surfaces and other harmful extraneous material. Means shall be provided to ensure against damage to wires and cables from contact with rough or irregular surfaces and sharp edges.

3.18.1 Human Engineering

The unit design shall incorporate the human engineering requirements of ASTM F1166.

3.19 Components

The following equipment and component requirements shall apply.

3.19.1 Piping

Piping, valves, fittings, and associated piping components shall meet the requirements of ASME B31.1, except as modified herein. In addition to brazing flanges, allowed in ASME B31.1, welded copper nickel flanges of either the slip-on or weld-neck design are acceptable provided that interface geometry is unaffected and dimensions conform to either ANSI B16.5 or Mil. Spec. MIL-PRF-20042F dated 13 May 2015. All low pressure piping system flanges shall be in accordance with ASME/ANSI B16.5 with a flat face flange facing and non-metallic gaskets. Threaded piping mechanical joints to components shall utilize a SAE J1926 straight thread O-ring seal configuration. Tapered pipe threads are prohibited, except for freshwater systems with design pressures below 50 psig and for grease fittings. Union fittings, when used for high pressure piping take down joints, shall be in accordance with drawing, NAVSEA No. 803-1385884.