Need Until Next Available Date
Commonly referred to as “NuNAD” (Need until the Next Available Date)
A way to compensate for the gap between available dates, due to scheduled ordering of a SKU. For example:
• Ordering once a week
• A vendor closure
It is calculated differently depending on whether the Time-Phased ROP Order Policy is enabled.
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Time-Phased ROP Order Policy
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Calculation
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Enabled
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The sum of the daily Internal Forecast and External Forecast during the gap between available dates.
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Not enabled
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The need over a period of time minus everything that is coming in over that period, when the next available date is greater than tomorrow.
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NuNAD is not by order type. There is one NuNAD value that is used for all order types.
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Example 1
A field location, with a forecast, is using calendars and can only receive orders on the 1st and 2nd Tuesday of the month. An order is scheduled to arrive on the 1st Tuesday, and must be considered to fill the needs until the next order is received on the 2nd Tuesday of the month. The NuNAD would be calculated as everything you would need from the 1st Tuesday until the Monday prior to the 2nd Tuesday of the month minus the supply that is available during that time.
Example 2
A field location that is not using calendars, has a forecast and a lead time of 5 days, and can receive orders every day. But, because the lead time is 5 days, when the order is received, it must consider the need for the next 5 days if another order is due to arrive on day 6.