NOAA/Systems Acquisition Office (SAO), 1315 E. W. Highway, Mail Code SAOX2, Silver Spring, MD 20910

59 -- C BAND DOPPLER RADAR FOR SHIPBOARD USE SOL 52-SPNA-8-00013 DUE 041598 POC Michael Knowles, (301) 713-3478, Fax (301) 713-4155 This is a combined synopsis/solicitation for commercial items prepared in accordance with the format in FAR subpart 12.6 as supplemented with additional information included in this notice. This announcement constitutes the only solicitation of the requirements; proposals are being requested and a written solicitation will not be issued with the exception of a drawing package, available upon request, for the construction of a base plate used in mounting the radar pedestal and radome to the mast of the ship. This is a Request For Proposal Number 52- SPNA-8-00013. This combined synopsis/solicitation incorporates provisions and clauses that are in effect through the Federal Acquisition Regulation Circular 97-3. This solicitation is on a full and open competitive basis for a single award of a Firm-Fixed-Price commercial item contract. The National Oceanic and Atmospheric Administration requests that vendors submit proposals for both: (1) a system having a 1.2 degree or less antenna beamwidth AND (2) a 1.5 degree antenna beamwidth system. The government will decide prior to receipt of offers which antenna beamwidth system will be procured. Offerors are also instructed to provide a separate unpriced line item for vendor recommended spares; delivery orders for required spare parts will be negotiated by task orders after contract award. The following provisions and clauses are applicable to this acquisition: FAR 52.212-1, Instructions to Offerors -- Commercial Items; FAR 52.212-2 Evaluation -- Commercial Items; FAR 52.212-3 Representations and Certifications -- Commercial Items; FAR 52.212-4 Contract Terms and Conditions -- Commercial Items; and FAR 52.212-5 Contract Terms and Conditions Required to Implement Statutes or Executive Orders -- Commercial Items. The full test clauses can be obtained at Web Site (FAR) http://www.arnet.gov/. Provision FAR 52.212-2 Evaluation -- Commercial Items is amended to read as follows: (a) ...The following factors shall be used to evaluate offers: Technical, Schedule, Past Performance and Price. A contract will be awarded to the technically acceptable lowest price offer. The following are appropriate under FAR 52.212-5: FAR 52.203-6 Restrictions on Subcontractor Sales to the Government, with Alternate I; FAR 52.203-10 Price or Fee Adjustment for Illegal or Improper Activity; FAR 52. 219-8 Utilization of Small Business Concerns and Small Disadvantaged Business Concerns; FAR 52.219-9 Small, Small Disadvantaged and Women-Owned Small Business Subcontracting Plan; FAR 52.222.26 Equal Opportunity (E.O. 11246); FAR 52.222-35 Affirmative Action for Special Disabled and Vietnam Era Veterans; FAR 52.222-36 Affirmative Action for Handicapped Workers; FAR 52.222-37 Employment Reports on Special Disabled Veterans and Veterans of the Vietnam Era; FAR 52.225-9 Buy American Act -- Trade Agreements Act -- Balance of Payments Program; and FAR 52.225-21 Buy American Act -- North American Free Trade Agreement Implementation Act -- Balance of Payments Program. Offerors shall provide a completed copy of the provision at FAR 52.212-3 with their offer. Offerors shall provide names, current addresses and telephone numbers of customers, either Government or commercial, that have received the same product during the past 2 years (to be used for evaluation purposes). Offerors can propose a brand name or equal to those listed in the notice, but Offerors proposing to supply manufacturers/models other than those specified will be required to submit, with their proposals, specification data sheets of proposed models sufficient to enable the Government to determine their technical acceptability with the specifications stated below: The contractor shall provide a Stabilized Shipboard C-Band Doppler Radar System, including Radome, base plate, Radar Antenna Controller and Signal Processor. The contractor shall construct a base plate for the radar pedestal and radome to mount on the mast of the NOAA ship Ronald H. Brown in accordance with guidance drawings. The contractor shall mount the radome assembly, pedestal and antenna on the baseplate such that these items can be later raised as an assembly and installed by the Government on the mast, using crane slings attached to the contractor furnished base plate spreader bars. The radar is stabilized by a GFE Honeywell dynamic reference unit, HG 9083G(2), s/n 342. The contractor shall provide a 100' two-pair shielded twisted pair cable terminated in RS 422 connectors as the 56 K baud interface from the dynamic reference unit to the antenna controller, which supplies x, y, z, roll, pitch, yaw and their derivatives. Data formats will be supplied upon request. The contractor shall provide all interconnecting cable and wave guides to make the radar fully functional on the ship. Interior equipment shall be mounted in cabinets which the Government will secure to the deck and bulkhead. Functionality will be demonstrated by a Factory Acceptance Test, prior to shipment. The Government will install the C-Band Radar System on the NOAA ship Ronald H. Brown. The contractor shall provide one week of on-site installation support to assist Government installation. Radar Specifications: The contractor shall provide a Doppler C-Band weather radar, with the following salient characteristics: Radar Characteristics: Transmitter Frequency: must have external trigger capability 5300-5700 MHZ, External Trigger Frequency PRF range: 300 -- 2000 Hz Can accept Staggered PRF for velocity unfolding; Internal PRF range 300 -- 1200 Hz; Pulse width range 0.4 -- 2.0 u sec; Pulse width choices (minimum) 0.4 and 0.8 u sec; Safety devices: Current/voltage range monitoring Door interlocks; Receiver: Minimum detectable signal < -115 dBm; Linear dynamic range > 72 dB; Bandwidth 10 MHZ; Transmitter/Receiver Physical Characteristics: Height, maximum 74 inches; Width, maximum 30 inches; Depth, maximum 26 inches: Maintenance access all from front of cabinet; Power 220 volts @ 20 amps, two drops. The contractor shall provide an antenna and heavy duty antenna pedestal to withstand sea states and a saltwater environment. The dynamic sea state load factors are calculated from the following equations from Mil Std 1399.: Ax = 0.450 + 0.00120 X + 0.00768 Z, Ay = 0.600 + 0.00384 X + 0.00495 Y + 0.00769 Z, Az = 1.000 +/- (0.59517 + 0.00768 X + 0.00769 Y). Entering the coordinates of interest on the mast gives the following (neg means downward force): X Y Z At Radar Base Plate:1.041,1.192, -1.594; at center of dome: 1.085, 1.236, -1.594 The antenna pedestal assembly will be installed on the ship 98' above the ship's baseline. The contractor shall provide and install a fiberglass radome not to exceed 18' diameter, with lightning rods, aircraft clearance lights and a personnel access hatch matching mast ladder location. All grounds for the antenna/pedestal and radome shall be to the base plate. Marine Protected Antenna/Pedestal Characteristics: Reflector Parabolic; Feed Linear Horizontal Capable of dual-polarization upgrade; Diameter <14 feet; Beam width (3 dB) ALTERNATIVE 1: LESSTHAN 1.2 DEGREES, ALTERNATIVE 2: 1.5 DEG; Gain > 40 dB; Side Lobes > 25 dB down from main lobe; Azimuth Acceleration/Deceleration > 15 deg sec-sec, Azimuth Range 360 deg; Elevation Acceleration > 15 deg sec-sec; Elevation Range -- 10deg to + 90deg; Maximum AZ and EL speed > 36 deg /sec; Safety devices: Remote AZ EL electrical brake, Elevation limit switches, Operator safe/operate switches, Door interlocks, Over-temperature warning and protection on drive motors. Servo Amplifier: Solid state two axes; Current/Voltage capacity adequate to drive the pedestal motors continuously at maximum rated speed; Safety devices: Provide over-current and over-voltage protection. Signal Processor Salient Characteristics: The contractor shall provide the capability to control, monitor, process data and communicate with the weather radar system as it operates in the NOAA ship network environment. The contractor shall provide an HP B180L workstation or equivalent configured for networking and equipped with a second SCSI adaptor. The contractor shall provide a Receiver and Signal Processor and Radar Controller or equivalent with the following salient characteristics: Digital receiver accepting radar intermediate frequency (IF) as input with Digital Signal Processor (DSP) for computation of radar parameters; User interface to the radar system allows the operator to perform at a minimum the following functions via local or remote consoles on the network: develop and initiate antenna scan and data acquisition strategies; control archival operations; control display generation and dispersal; control all radar functions; monitor system operation; and, develop and debug software. Operating Software: Must be based on a multitasking, multiuser operating system (e.g. UNIX, HPUX); provide: 'C' language development tools, Network File System (NFS) software, and Network connectivity for remote operation of the system from any location on the ship's ethernet-based network. Net protocol must be TCP/IP. IF Digitizing Resolution: At least 12 bits, 14 bits desirable; Inputs: Radar IF, Magnetron burst sample (if applicable), Antenna position; parallel TTL, Radar test and monitoring signals. Outputs: In phase (I) and quadrature (Q) analog, monitoring channels; Log amplitude analog output desirable; Radar high level triggers (at least 10 volts into 75 ohms); Programmable sense, rate, width Pulse width control. PRF range Continuously selectable; At least 150 -- 2000 Hz, Staggered PRF available for resolving velocity ambiguity. PRF accuracy Better than 0.1%. Pulse widths: at least 4 selectable. Dynamic range: at least 80 dB (linear). Phase stability better than 1 degree at 1 usec pulse width (magnetron case). Signal Processor Output Products: Calibrated reflectivity (dBz), velocity and spectrum width 8 or 16 bits pe product per gate; I/Q time series 16 bits per product per gate; Doppler Spectrum in selected gates 16 bits per frequency component per gate; Number of gates at least 2048; Gate spacing selectable range at least 50 to 125 meters; Time averaging: range at least 8 to 256 samples, up to 2048 samples desirable, Linear averaging all quantities (no averaged log quantities), Range averaging: 2 to 16 consecutive range samples; Clutter suppression: selectable width digital filters providing at least 40 dB suppression, selectable filter vs. range gate mapping, frequency domain adaptive filtering desirable; Host computer: 128 Mbyte RAM, 4 Gbyte hard disk, 2 SCSI ports, 19 inch monitor; Operating Software: Software system to provide user interface to radar controls, displays and data archival systems. Must be based on a multitasking, multiuser operating system, such as UNIX. Radar Antenna Controller Salient Characteristics: The contractor shall provide the means for radar I/O and low level antenna azimuth and elevation control. The radar antenna control processor shall provide status monitoring of the transmitter/receiver antenna servo systems and control functions such as radiate on/off and servo on/off. The contractor shall provide, install and make fully functional a Radar/Antenna Control Processor SIGMET RCP02 or equivalent, with the following salient characteristics: programmable two- axis azimuth (AZ) and elevation (EL) servo system and radar system controller; Position accuracy better than 0.1 degrees AZ, EL; Slew rate: to maximum rated for pedestal or antenna; Velocity accuracy better than 0.2 degrees/second; Acceleration: to maximum rated for pedestal or antenna; Failsafe protection: software watchdog algorithms to prevent exceeding pedestal speed and position limits; Antenna stabilization: algorithm to scan antenna in earth-relative or ship relative coordinates using input from GFE Honeywell Dynamic Reference Unit and AZ/EL position and speed data; Inputs: AZ, EL position: Digital: 16 bit TTL binary/BCD each axis Analog: Synchro signals, each axis; INU input for antenna stabilization: Serial, RS422, 56K baud, pitch, roll heading angles and rates, plus absolute INU position and velocity; Compensation: the antenna control software must be capable of compensating for physical separation of the pedestal and the INU. Radar Antenna Controller Switches: Antenna LOCAL/COMPUTER input to disable servo drive outputs during manual operation; Pedestal EL limit switches top and bottom limit switches; Analog tachometer input to +/- 100 volts; Manual positioning control (hand wheels) at least 8 uncommitted status input bits; Radar Status Monitoring: Waveguide pressure, Cooling/airflow status, Magnetron or final amplifier current, Critical over/under voltage/current conditions, Interlock status lines, Servo status, Fault indicators; RS 232 port (e.g. VT-100) RS232 input for setup, debugging and monitoring. Outputs: Analog servo drive error signal +/- 12 volts at 20 ma; Parallel TTL binary angle; Parallel TTL binary angle; Servo on/off control; Servo on/off control; Radar power on/off control; Radiate ON/STANDBY; Pulse width control at least 4 selectable; At least 8 uncommitted control bits TTL or higher levels. Physical: Standard 19 inch rack mountable; Input power 85 -- 260 VAC 47 -- 65 Hz; Storage -40 to +75 degrees C; Operating 0 to 50 degrees C; Humidity (operating) 0 to 90% noncondensing; Safety Meets UL 1950 and IEC 950 Components are UL, CSA and VDE compliant. Technical Support: The contractor shall provide one week of on-site technical support during system installation on the NOAA ship Ronald H. Brown at an East Coast NOAA facility. Delivery shall be on or before November 15, 1998, FOB destination, Department of Commerce, NOAA, Atlantic Marine Center, 439 W. York Street, Norfolk, VA 23510-1114. Offers shall be submitted to Department of Commerce, NOAA, Systems Acquisition Office, 1315 East West Highway, Room 10106, Attn: Michael Knowles, Silver Spring, MD 20910-3282, by 1:00 p.m. (EST), Wednesday, April 15, 1998. Proposals shall be submitted on the Standard Form 1449 with an original and one copy. The point of contact is Michael Knowles. The standard commercial warranty is required. It is the responsibility of the offeror to ensure that its proposal is received at or prior to the noted date/time in this announcement. (0075)

Loren Data Corp. http://www.ld.com (SYN# 0181 19980319\59-0002.SOL)