66 -- LOW LIQUID FLOW STANDARD

Notice Date

June 4, 2001

Contracting Office

Department of the Air Force, Air Force Materiel Command, = AFMETCAL, 813 Irving Wick Dr. W., Heath, OH, 43056-6116

ZIP Code

43056-6116

Solicitation Number

F33660-01-R7006

Response Due

July 17, 2001

Point of Contact

Janet Casler, Contracting Officer, Phone 7407885041, Fax = 7407885157, Email janet.casler@afmetcal.af.mil

Description

The Air Force Metrology and Calibration (AFMETCAL) program = requires 1 each Low Liquid Flow Standard (LLFS) in accordance with = Directorate of Metrology Purchase Description 01MLEESFC06 dated 16 = April 01. Requirement includes a 1 year commercial warranty and data = with each unit. An FY02, FY03 and FY04 Option for 0-2 each may also be = required. Minimum requirements for the Low Liquid Flow Standard are as = follows: The instrument described herein shall generate, measure, and = control liquid flow rates from 0.005 to 10 Gallons per Minute (GPM) for = the purpose of calibrating secondary flow measurement devices. These = devices shall include turbine meters, coriolis meters, rotameters, = volumetric provers, orifice meters and any other liquid flow meter that = has a visual, pulse, or analog output. The LLFS described herein = shall be a stand-alone calibration system capable of allowing the = operator to easily calibrate a large variety of liquid flow measurement = devices. The operator shall be able to quickly install flowmeters to = be calibrated, and quickly set and measure flowrates. The LLFS shall = be operated and controlled via a PC compatible computer. The LLFS = software shall maximize calibration flexibility by monitoring all = relevant flow parameters (e.g. fluid temperatures, mass or volume = displacement, time, flow stability, UUT inputs etc.), allowing user = developed fluid and flowmeter characterizing formulas, displaying flow = rates in user developed units (e.g. GPM, LPM, PPH etc.), storage of all = formulas and calibration data, graphical representation of = characterized fluids and meters including all necessary mathematical = curve fitting routines, and allow the user to change CRT screen display = or printed output formats of all relevant flow measurement or fluid = data. Calibration traceability shall be through fundamental units of = mass or volume and time. The LLFS shall be capable of generating, = controlling, and measuring fluid flow in the range of .005 to 10 GPM. = The LLFS shall be capable of generating flow of fluids with viscosity?s = from .7 to 100 centistokes. The LLFS shall measure and control fluid = temperatures over the range of 45 to 120 degrees F. Control shall be to = +/- 2 degrees Fahrenheit (F) during flow measurements. Chilled water = and glycol mixture at 50 GPM and 40 degrees F shall be available. Also = hot water at 185 degrees F at 20 GPM shall be available. The LLFS = shall provide fluid pressure adequate to preclude calibration errors = due to two phase (liquid and vapor) conditions when calibrating Cox LF = 6-000 through AN10 series turbine meters. The LLFS, as a complete = system, shall be capable of generating, measuring, and displaying = liquid flowrates with a total uncertainty, (Coverage factor of 2 IAW = NIST Technical Note 1297), not to exceed 0.05 % of indication. A = complete analysis based on NIST Technical note 1297 shall be provide = with the proposal. The LLFS shall be capable of reproducing a set flow = rate within 0.05% of the user established target value. The LLFS, as a = complete system, shall be capable of measurement repeatability within = 0.02 % of indication once a set flow rate is established. Repeatability = shall be validated with turbine meters. The LLFS shall maintain its = measurement uncertainty to the level required for a minimum period of 6 = months. The LLFS shall consist of a Test Stand and a Control Console. = The Control Console shall be capable of remotely operating all Test = Stand generation, control, and measurement functions. The Test Stand = and Control Console will typically be in adjacent rooms separated by no = greater than 100 feet. The contractor shall recommend specific = installation requirements after a pre-installation evaluation has been = conducted. The LLFS Test Stand shall consist of all standards, = plumbing/piping, interfacing hardware, and other components required to = generate and measure the flow rates necessary to meet the performance = requirements of this PD. The LLFS Test Stand shall not weight more = than 500 lbs. dry. The LLFS Test Stand shall not be larger than 4 feet = wide by 6 feet in length and 6 feet high. The LLFS Test Stand shall be = designed to operate within a Class 1 Division 2 group D hazardous = environment. The LLFS Control Console shall operate outside the = hazardous environment. The LLFS Test Stand shall contain a filtering = system to remove particulate contamination from the calibration fluid. = The LLFS Test Stand shall also have a pneumatic filter to remove = particulate contamination from any pneumatic source. The LLFS Test = Stand have an emergency shutoff switch located on its front panel which = will shut down all flow and remove any electrical power to the Test = Stand. The LLFS Test Stand shall be capable of connecting to standard = turbine meters from LF6-000 to AN10 including upstream and downstream = straighteners. The LLFS Test Section shall be designed to facilitate = quick and easy installation and removal of flow meters. The Test = Section shall have a basin or ?drip pan? designed to catch fluid = spilled during meter installation or removal. The Test Section basin = shall have a drain to return fluid to the Test Stand. The Test Section = shall be designed to calibrate meters horizontally. The Control Console = shall consist of an IBM PC compatible computer with Pentium two or = newer microprocessor, all software, all wiring and all LLFS Test Stand = interface connections necessary to operate the LLFS and meet the = requirements of this PD. The PC shall include a floppy and CD driver = both write capable. The Control Console shall include a color printer = for hardcopy of data, charts, and graphs. The Control console shall = also include a 17 inch color monitor (CRT) for displaying all necessary = control and measurement information. The Control console shall be a = maximum of 3? long by 2? wide 6? high. The LLFS Control Console shall = have an emergency shutoff switch located on its front panel which will = shut down all flow and remove any electrical power to the Control = Console and the Test Stand. The LLFS Test Stand shall operate from 120 = Volt +/- 10% single phase power 50 to 60 Hz or 208 Volt +/- 10% 3 phase = power 50 to 60 Hz. 120 PSIA compressed air delivered at 25 SCFM shall = also be available as required. The LLFS Control Console shall operate = from 120 Volt +/- 10% single phase power 50 to 60 Hz. The LLFS Test = Stand as a minimum shall have 3 sets of 2 turbine meter inputs = including magnetic, modulated carrier, and pulse. The LLFS shall be = capable of connecting to and calibrating a variety of turbine flow = meters including but not limited to Cox, Flow Technology, and Hoffer = meters. Flow meter cable assemblies to connect the LLFS to the turbine = meters shall be provided. The cable assembly connectors shall be = amphenol type. The LLFS Test Stand shall have 3 analog inputs = including 0-5 VDC, 0-10 VDC, and 4-20 ma. The LLFS Test Stand shall be = provided with a circuit breaker to protect the Test Stand in the event = of excessive current. The LLFS Control Console shall be provided with = a fuse or circuit breaker to protect it in the event of excessive = current. The LLFS Test Stand and Control Console shall have visual = indications of a power ?on? or energized state. The LLFS shall be = capable of generating, changing, setting, controlling, and measuring = any flowrate within its range and within the specified LLFS measurement = uncertainty within 1 minute and maintaining that flow rate for at least = 3 minutes. The LLFS shall store user input viscosity and density data = versus temperature. The LLFS shall also allow for user input algorithms = to calculate density and viscosity at various temperatures. The LLFS = shall allow for these computed values of density and viscosity to be = used in calculating other flow measurement data. The LLFS shall be = capable of retrieving, storing, displaying, and manipulating, based on = user input algorithms, the following measurement data: measurement = time; fluid temperature(s) effecting LLFS measurement uncertainty; = fluid density and viscosity based on measured fluid temperatures; = volume or mass; and any or all meter inputs including frequency; = voltage, or current. The LLFS shall be capable displaying measurement = data in a spreadsheet format with user selectable fields. Data shall be = either directly measured parameters such as temperature or data derived = from measured parameters using user-selected algorithms such as = density, K-factor, Roshko number etc. The LLFS shall be capable of = color printing and graphing all data. Printing shall be in user = selectable fields. All graphs shall have user selectable ranges, = units, resolutions, scaling, (i.e. including linear and log) and = headings/titles. All data shall be capable of being easily exported to = Microsoft Excel spreadsheets in user selectable fields. The Windows = with Excel software shall be provided with the LFFS. The most recent = version of Windows and Excel, at the time of the solicitation, shall be = required. The LLFS shall store meter calibration data in user-selected = data fields. Data shall be stored in a database format that can easily = be retrieved and displayed on the LLFS. The LLFS shall display all = necessary control and measurement information on a 17 inch color = monitor (CRT). The LLFS calibration shall be using fundamental units of = mass and time or dimensions and time for determining flow rate. Direct = traceability only through flow measurements (GPM or PPH) is not = acceptable. All other LLFS functions requiring calibration shall be = identified in the proposals. Alignment is the process by which = individual LLFS sensors and their measurement circuitry and displays = are adjusted to ensure that the flow rate is within the requirement = for measurement uncertainty. Alignment shall not require use of = external devices other than commercially available = calibration/measurement standards. The LLFS shall be capable of = alignment in place. The LLFS shall be capable of self-diagnostics to = identify any LLFS functional deficiencies. The LLFS shall meet the = requirements of the purchase description when operated over the = temperature range of 15 to 30 degrees C. The LLFS shall meet the = requirements of the purchase description when operated over a Humidity = range of 5 to 90% (non-condensing). The LLFS shall have a Mean Time = Between Failure (MTBF) of at least 4000 hours during intermittent = operation. A failure shall be considered any condition in which the = LLFS does not meet the requirements of the purchase description. = Required periodic calibration/zeroing will not be considered a failure. = The contractor is responsible for installation of the delivered LLFS. = The Government shall locate a delivered LLFS in the room where it will = be used but the contractor is responsible for all wiring and = connections between the LLFS Test Stand and Control Console, as well as = all connections to power, pressure, and water sources. Distance between = the LLFS Test Stand and Control Console shall be 50 feet or less for = estimating purposes. The Government, as required, will provide power, = pressure, and water sources, in the LLFS room. The LLFS must meet all = purchase description performance, functional and design requirements = at the delivery site before the system is considered installed. The = contractor shall be allowed to visit each site to determine local = installation requirements prior to delivery. After completion of the = LLFS installation, a minimum of three days (8 Hour work day) on-site = training for a minimum of three operators shall be provided by the = contractor. Training shall include instruction on how to operate, = maintain, and calibrate the LLFS and shall include a) A complete review = of all topics in the operating manual b) Instruction on the use of all = software functions and menus. c) A complete hands on calibration of the = LLFS d) Instruction on required periodic maintenance. The equipment, = including all accessories, shall be covered by a 1-year commercial = warranty. Solicitation is F33660-01-R7006. FOB is Destination. First = Article is required. Delivery of the first article will be 180 = calendar days after receipt of award. All solicitation requests must = be in writing. Written request can be faxed to 740-788-5157 or email = request to janet.casler@afmetcal.af.mil. Request for proposal will be = issued approximately 18 Jun 01. Closing date will be approximately 17 = Jul 01. All responsible sources may submit a proposal, which shall be = considered. Special note to all prospective offerors: DOD will not = award contracts to contractors that have not registered in the Central = Contractor Registration (CCR) database. Registration may be done by = assessing the CCR via the Internet at http://ccr.edi.disa.mil or call = the DOD electronic Commerce Information Center at 1-800-334-3414. See = Note: 1.

Web Link

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Record

Loren Data Corp. 20010606/66SOL010.HTM (D-155 SN50N8J2)