SPECS_00733_ALAMO FLOATS_Stabeno and Lebon.docx

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SPECIAL NOTICE – INTENT TO AWARD ON A SOLE SOURCE BASIS, Alamo Floats
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PMEL-20-00733
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CLAUSES NO FOB 2020.pdf PDF

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Specification Sheet – Air Deployable Autonomous Profiling Float

The following comprise the minimum technical requirements for a vessel or aircraft deployable autonomous profiling float for Arctic use:

· The float must be capable of air deployment through a standard A-size bathythermograph tube (4.875” D x 36” L), or an over the side deployment utilizing no lines or tubes.

· Deploy at air speeds up to 180 knots and altitudes of at least 1000 feet or from a vessel traveling at 5 knots

· Data to be satellite telemetered at the top of each profile or on demand;

· Profiles controllable via 2-way communication.

· Ice-hardened antenna and CTD

· GPS-based ice-algorithm (time-out if satellite communication is not achieved) that enables profiling under the sea-ice.

Required sensors and their performance parameters:

Sensor
Depth (m, max)
Range
Accuracy
Pressure
1000 m
0-1000 m
±0.05% FS or better
Temperature
1000 m
–5 to 35°C
±0.005°C or better
Conductivity
1000 m
0-85 mS/cm
±0.005 mS/cm or better

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