<?xml version="1.0" encoding="utf-8"?>
<ManualTopic ID="/baanerp/cp/onlinemanual/000312" xml:lang="en">
   <Header>
      <Title>Capacity CTP reservations</Title>
      <Keyword type="header" order="d1e197572">
         <Level1>Capacity CTP reservations</Level1>
      </Keyword>
      <Keyword type="header" order="d1e197575">
         <Level1>CTP</Level1>
         <Level2>reservations</Level2>
      </Keyword>
      <Keyword type="header" order="d1e197580">
         <Level1>ATP</Level1>
         <Level2>CTP reservations</Level2>
      </Keyword>
   </Header>
   <GeneralSection>
      <Paragraph>LN calculates CTP reservations when a plan
		item's ATP is updated, or when an item master plan is updated.</Paragraph>
      <GeneralSection>
         <SectionTitle>Capacity CTP reservation</SectionTitle>
         <List>
            <ListIntro>LN generates a capacity CTP reservation in the following situation:</ListIntro>
            <ListItem>The <Link href="/baanerp/cp/glossary/glossary#000040" role="glossary">cumulative ATP</Link> of a plan
			 item in a particular plan period becomes negative.</ListItem>
            <ListItem>You selected
			 the <GUIRef href="/baanerp/cp/rpd/cprpd1100m000#cprpd100.catp" role="manual">Capacity CTP</GUIRef> check box in the <GUIRef href="/baanerp/cp/rpd/cprpd1100m000" role="session">Items - Planning (cprpd1100m000)</GUIRef> session for the plan item involved.</ListItem>
         </List>
         <List>
            <ListIntro>LN generates CTP reservations for the resources that are:</ListIntro>
            <ListItem>Listed in the item's <Link href="/baanerp/ti/glossary/glossary#BillOfCritic_ti" role="glossary">bill of critical capacities (BCC)</Link>.</ListItem>
            <ListItem>Defined as <Link href="/baanerp/cp/glossary/glossary#000039" role="glossary">critical in CTP</Link>.</ListItem>
         </List>
      </GeneralSection>
      <Note>
         <SectionTitle>Note</SectionTitle>
         <Paragraph>When component CTP
		  reservations and/or capacity CTP reservations are made for a plan item, the
		  expected additionally produced quantity of the item itself is stored as CTP
		  Reservation Receipt.</Paragraph>
      </Note>
      <GeneralSection>
         <SectionTitle>Calculation</SectionTitle>
         <Paragraph>The capacity CTP
		  reservation is computed as follows:</Paragraph>
         <Formula space-and-orientation="indented-estimated">
            <Paragraph>CCR(t) = -NA(t) x	 CR(t)</Paragraph>
         </Formula>
         <TABLE border="1" borderstyle="default" space-and-orientation="indented-estimated">
            <TBODY noTR="3">
               <TR no="1" isLast="false">
                  <TD rowspan="1" colspan="1">CCR(t)</TD>
                  <TD rowspan="1" colspan="1">capacity CTP reservation</TD>
               </TR>
               <TR no="2" isLast="false">
                  <TD rowspan="1" colspan="1">NA(t)</TD>
                  <TD rowspan="1" colspan="1">negative ATP</TD>
               </TR>
               <TR no="3" isLast="true">
                  <TD rowspan="1" colspan="1">CR(t)</TD>
                  <TD rowspan="1" colspan="1">required capacity (from the bill of critical capacities)</TD>
               </TR>
            </TBODY>
         </TABLE>
         <Paragraph>The requirement date
		  for the capacity CTP reservation is determined as follows:</Paragraph>
         <Formula space-and-orientation="indented-estimated">
            <Paragraph>RD = PFD - LTO</Paragraph>
         </Formula>
         <TABLE border="1" borderstyle="default" space-and-orientation="indented-estimated">
            <TBODY noTR="3">
               <TR no="1" isLast="false">
                  <TD rowspan="1" colspan="1">RD</TD>
                  <TD rowspan="1" colspan="1">requirement date for the capacity CTP reservation</TD>
               </TR>
               <TR no="2" isLast="false">
                  <TD rowspan="1" colspan="1">PFD</TD>
                  <TD rowspan="1" colspan="1">finish date of the originating plan period</TD>
               </TR>
               <TR no="3" isLast="true">
                  <TD rowspan="1" colspan="1">LTO</TD>
                  <TD rowspan="1" colspan="1">lead-time offset (from the bill of critical capacities)</TD>
               </TR>
            </TBODY>
         </TABLE>
         <Paragraph>LN records the capacity CTP reservation in the <GUIRef href="/baanerp/cp/rmp/cprmp3501m000" role="session">Resource Master Plan (cprmp3501m000)</GUIRef> session in the plan period in which the
		  requirement date falls. LN subtracts the capacity CTP reservations from
		  the resource's capacity CTP.</Paragraph>
         <Paragraph>You can view capacity
		  CTP reservations and their origin in the <GUIRef href="/baanerp/cp/rmp/cprmp5520m000" role="session">Capacity CTP Reservations (cprmp5520m000)</GUIRef> session. This session is accessible
		  through the <Link href="/baanerp/tc/glossary/glossary#specific" role="glossary">appropriate</Link> menu of the <GUIRef href="/baanerp/cp/rmp/cprmp2101m000" role="session">Item Master Plan (cprmp2101m000)</GUIRef> session.</Paragraph>
      </GeneralSection>
   </GeneralSection>
   <RelatedTopics>
      <SectionTitle>Related topics</SectionTitle>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000037" role="manual">Types of ATP and CTP checks</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000121" role="manual">Capacity CTP</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000119" role="manual">To compute capacity CTP</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000116" role="manual">CTP Checking Procedure</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000117" role="manual">Component CTP reservations</Link>
      </RelTopic>
   </RelatedTopics>
</ManualTopic>