PAR_RFI_Questions_and_Answers.xlsx

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Request For Information for AN/FPN-63(V) Precision Approach Radar (PAR) Replacement and Instrument Landing System (ILS) Replacement
Solicitation number
N68335-14-RFI-0160
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PAR RFI QUESTIONS AND ANSWERS

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Sheet1

The following Questions were received in reference to Solicitation N68335-14-RFI-0160:
Q 1.The formula for Achieved Availability appears to be missing. Please provide it ?
Q 2.The RFI states, "FAULT ISOLATION: The PAR and ILS built-in-test shall be capable of isolatingdetected faults to 1 L"
Is this a complete statement? What is "1 L"?
Q 3.The RFI states, " PRIMARY COMMERCIAL ELECTRICAL POWER; 120/208 VAC, 60 Hz, 4 wire, three phase, 12.8 KVA"
Is 12.8 KVA the maximum power available to operate the system? In other words, the system should be able to function on a 12.8 KVA or less?

The following answers to the above questions are provided below:

A 1.PAR AND ILS ACHIEVED AVAILABILITY (Aa)
Achieved availability is measured by the following equation:
MTBM (MEAN TIME BETWEEN MAINTENANCE)
MTBM (MEAN TIME BETWEEN MAINTENANCE) + MMT (MEAN MAINTENANCE TIME)
A 2.FAULT ISOLATION:The PAR and ILS built-in-test shall be capable of isolating detected faults to 1 LRU > 95% of the time.
A 3.PRIMARY COMMERCIAL POWER IS AVAILABLE

Sheet2

Sheet3

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