+------------------+----------------+----------------+---------------+
| 1\) BCP Number:  |                | 2\) BCP Title: |               |
| CDF 001          |                | Project        |               |
|                  |                | Rebaseline     |               |
+------------------+----------------+----------------+---------------+
| 3\) Budget       |                | 4\) Title: Run |               |
| Number:          |                | IIb CDF        |               |
|                  |                | Detector       |               |
|                  |                | Project        |               |
+------------------+----------------+----------------+---------------+
| 5\) Date         |                | Date Received  |               |
| Received (Field  |                | (Program       |               |
| Office):         |                | Office):       |               |
+------------------+----------------+----------------+---------------+
| 6\) Change       | 7\) BCP Level: | 8\) Directed   | 9\) Program:  |
| Designation:     |                | Change?        |               |
|                  | Level 0 \[ \]  |                | SC-20, Office |
| Scope Reduction  | Level 2 \[ \]  | Yes \[ X \]    | of High       |
|                  |                |                | Energy        |
|                  | Level 1 \[ X   | No \[ \]       | Physics       |
|                  | \] Level 3 \[  |                |               |
|                  | \]             |                |               |
+------------------+----------------+----------------+---------------+
| 10\) Point of    |                | 12\) FAX:      |               |
| Contact: [Paul   |                | [(630)840-328  |               |
| Ph               |                | 5]{.underline} |               |
| ilp]{.underline} |                |                |               |
+------------------+----------------+----------------+---------------+
| 11\) Phone:      |                | 13\) Location: |               |
| [(630)           |                | FAO            |               |
| 840-4            |                |                |               |
| 481]{.underline} |                |                |               |
+------------------+----------------+----------------+---------------+
| 14\) Change      |                |                |               |
| Description:     |                |                |               |
|                  |                |                |               |
| The MIE cost of  |                |                |               |
| the baseline is  |                |                |               |
| reduced by       |                |                |               |
| \$14.2 million   |                |                |               |
| from \$25        |                |                |               |
| million to       |                |                |               |
| \$10.8 million.  |                |                |               |
|                  |                |                |               |
| There is no      |                |                |               |
| change in the    |                |                |               |
| scheduled date   |                |                |               |
| of Critical      |                |                |               |
| Decision 4       |                |                |               |
| "Project         |                |                |               |
| Completion." The |                |                |               |
| scheduled date   |                |                |               |
| for Critical     |                |                |               |
| Decision 3b is   |                |                |               |
| delayed two      |                |                |               |
| months.          |                |                |               |
|                  |                |                |               |
| The proposal     |                |                |               |
| drops the        |                |                |               |
| construction of  |                |                |               |
| the replacement  |                |                |               |
| silicon vertex   |                |                |               |
| detector. Some   |                |                |               |
| tasks that fell  |                |                |               |
| within the       |                |                |               |
| silicon vertex   |                |                |               |
| detector         |                |                |               |
| subproject       |                |                |               |
| related to       |                |                |               |
| trigger, data    |                |                |               |
| acquisition, and |                |                |               |
| radiation        |                |                |               |
| monitoring will  |                |                |               |
| be moved to the  |                |                |               |
| data acquisition |                |                |               |
| subproject and   |                |                |               |
| used with the    |                |                |               |
| current silicon  |                |                |               |
| vertex detector. |                |                |               |
|                  |                |                |               |
| -                |                |                |               |
| -                |                |                |               |
| -                |                |                |               |
| -                |                |                |               |
|                  |                |                |               |
| 15\) Change      |                |                |               |
| Justification:   |                |                |               |
| (If Directed     |                |                |               |
| Change specify   |                |                |               |
| authority and    |                |                |               |
| documentation)   |                |                |               |
|                  |                |                |               |
| At the time of   |                |                |               |
| Critical         |                |                |               |
| Decision 3, the  |                |                |               |
| acquisition      |                |                |               |
| executive chose  |                |                |               |
| to split the     |                |                |               |
| critical         |                |                |               |
| decision into    |                |                |               |
| two parts, 3a    |                |                |               |
| and 3b. CD-3a    |                |                |               |
| approved limited |                |                |               |
| construction for |                |                |               |
| one year with    |                |                |               |
| the intention    |                |                |               |
| that Tevatron    |                |                |               |
| luminosity       |                |                |               |
| performance      |                |                |               |
| could be         |                |                |               |
| evaluated before |                |                |               |
| proceeding to    |                |                |               |
| CD-3b and full   |                |                |               |
| construction.    |                |                |               |
|                  |                |                |               |
| Fermilab         |                |                |               |
| finalized their  |                |                |               |
| plans for the    |                |                |               |
| luminosity       |                |                |               |
| upgrades and an  |                |                |               |
| Office of        |                |                |               |
| Science review   |                |                |               |
| of that plan was |                |                |               |
| held. Using the  |                |                |               |
| plan and the     |                |                |               |
| results from the |                |                |               |
| review, the      |                |                |               |
| director of      |                |                |               |
| Fermilab with    |                |                |               |
| advice from the  |                |                |               |
| Fermilab Program |                |                |               |
| Advisory         |                |                |               |
| Committee        |                |                |               |
| determined that  |                |                |               |
| the best option  |                |                |               |
| to maximize the  |                |                |               |
| physics of Run   |                |                |               |
| II was to not    |                |                |               |
| take a long      |                |                |               |
| shutdown for the |                |                |               |
| installation of  |                |                |               |
| the replacement  |                |                |               |
| silicon vertex   |                |                |               |
| detector. They   |                |                |               |
| also determined  |                |                |               |
| that the current |                |                |               |
| silicon vertex   |                |                |               |
| had a good       |                |                |               |
| probability of   |                |                |               |
| survival due to  |                |                |               |
| the lower        |                |                |               |
| Tevatron         |                |                |               |
| luminosity       |                |                |               |
| projections.     |                |                |               |
| This decision    |                |                |               |
| was endorsed by  |                |                |               |
| a subpanel of    |                |                |               |
| HEPAP at its     |                |                |               |
| September 29,    |                |                |               |
| 2003 meeting.    |                |                |               |
+------------------+----------------+----------------+---------------+
| 16\) Impact of   |                |                |               |
| Non-Approval:    |                |                |               |
|                  |                |                |               |
| Should this      |                |                |               |
| baseline change  |                |                |               |
| not be approved  |                |                |               |
| there are two    |                |                |               |
| possible         |                |                |               |
| outcomes. The    |                |                |               |
| silicon vertex   |                |                |               |
| detector would   |                |                |               |
| be built but     |                |                |               |
| never installed. |                |                |               |
| Alternatively    |                |                |               |
| approximately a  |                |                |               |
| year of running  |                |                |               |
| would be lost    |                |                |               |
| while it was     |                |                |               |
| installed. Under |                |                |               |
| the original     |                |                |               |
| Tevatron upgrade |                |                |               |
| plan this would  |                |                |               |
| have been        |                |                |               |
| compensated by a |                |                |               |
| higher           |                |                |               |
| performing       |                |                |               |
| accelerator, but |                |                |               |
| under the        |                |                |               |
| current upgrade  |                |                |               |
| plan the         |                |                |               |
| performance is   |                |                |               |
| not high enough  |                |                |               |
| to allow for     |                |                |               |
| such a long      |                |                |               |
| shutdown.        |                |                |               |
+------------------+----------------+----------------+---------------+

+-----------------+----------------+---+-----------------+-----------------+
| BCP Number: CDF |                | B |                 |                 |
| -- 001          |                | C |                 |                 |
|                 |                | P |                 |                 |
|                 |                | T |                 |                 |
|                 |                | i |                 |                 |
|                 |                | t |                 |                 |
|                 |                | l |                 |                 |
|                 |                | e |                 |                 |
|                 |                | : |                 |                 |
|                 |                | P |                 |                 |
|                 |                | r |                 |                 |
|                 |                | o |                 |                 |
|                 |                | j |                 |                 |
|                 |                | e |                 |                 |
|                 |                | c |                 |                 |
|                 |                | t |                 |                 |
|                 |                | R |                 |                 |
|                 |                | e |                 |                 |
|                 |                | b |                 |                 |
|                 |                | a |                 |                 |
|                 |                | s |                 |                 |
|                 |                | e |                 |                 |
|                 |                | l |                 |                 |
|                 |                | i |                 |                 |
|                 |                | n |                 |                 |
|                 |                | e |                 |                 |
+-----------------+----------------+---+-----------------+-----------------+
| 17\) Impact on  |                |   |                 |                 |
| DOE Cost        |                |   |                 |                 |
| Baseline:       |                |   |                 |                 |
|                 |                |   |                 |                 |
| ![](me          |                |   |                 |                 |
| dia/image1.wmf) |                |   |                 |                 |
+-----------------+----------------+---+-----------------+-----------------+
| 18\) Impact on  |                |   |                 |                 |
| Funding Profile |                |   |                 |                 |
| (BA):           |                |   |                 |                 |
|                 |                |   |                 |                 |
| # App           |                |   |                 |                 |
| roval of this B |                |   |                 |                 |
| aseline Change  |                |   |                 |                 |
| Proposal will p |                |   |                 |                 |
| rovide DOE MIE  |                |   |                 |                 |
| funds in FY 200 |                |   |                 |                 |
| 4 and FY 2005.  |                |   |                 |                 |
| The changes to  |                |   |                 |                 |
| the DOE MIE fun |                |   |                 |                 |
| ding profile ar |                |   |                 |                 |
| e shown below:  |                |   |                 |                 |
|                 |                |   |                 |                 |
| ![](me          |                |   |                 |                 |
| dia/image2.wmf) |                |   |                 |                 |
+-----------------+----------------+---+-----------------+-----------------+
| 19\)            |                |   |                 |                 |
| Explanation of  |                |   |                 |                 |
| Impact on Cost  |                |   |                 |                 |
| and Funding     |                |   |                 |                 |
| Baseline:       |                |   |                 |                 |
|                 |                |   |                 |                 |
| The project     |                |   |                 |                 |
| cost is         |                |   |                 |                 |
| significantly   |                |   |                 |                 |
| reduced by the  |                |   |                 |                 |
| cancellation of |                |   |                 |                 |
| the silicon     |                |   |                 |                 |
| detector. The   |                |   |                 |                 |
| detector        |                |   |                 |                 |
| activity will   |                |   |                 |                 |
| now be limited  |                |   |                 |                 |
| to the          |                |   |                 |                 |
| completion of   |                |   |                 |                 |
| approximately   |                |   |                 |                 |
| 5% of the full  |                |   |                 |                 |
| system.         |                |   |                 |                 |
+-----------------+----------------+---+-----------------+-----------------+
| 20\) Impact on  |                |   |                 |                 |
| Schedule        |                |   |                 |                 |
| Baseline:       |                |   |                 |                 |
|                 |                |   |                 |                 |
| All milestones  |                |   |                 |                 |
| within WBS 1.1  |                |   |                 |                 |
| will be         |                |   |                 |                 |
| eliminated from |                |   |                 |                 |
| the baseline.   |                |   |                 |                 |
+-----------------+----------------+---+-----------------+-----------------+
| Milestone (No.  | Baseline       |   | Proposed        | Change          |
| and             | (Month/Year)   |   | (Month/Year)    |                 |
| Description)    |                |   |                 |                 |
+-----------------+----------------+---+-----------------+-----------------+
| CD-3b           | 9/03           |   | 11/03           | 8 weeks         |
+-----------------+----------------+---+-----------------+-----------------+
| CD-4            | 11/06          |   | 11/06           | 0 weeks         |
+-----------------+----------------+---+-----------------+-----------------+
|                 |                |   |                 |                 |
+-----------------+----------------+---+-----------------+-----------------+
|                 |                |   |                 |                 |
+-----------------+----------------+---+-----------------+-----------------+
|                 |                |   |                 |                 |
+-----------------+----------------+---+-----------------+-----------------+
|                 |                |   |                 |                 |
+-----------------+----------------+---+-----------------+-----------------+

+-----------------------------------+-----------------------------------+
| BCP Number: CDF-- 001             | BCP Title: Project Rebaseline     |
+-----------------------------------+-----------------------------------+
| 21\) Explanation of Impact on     |                                   |
| Schedule Baseline:                |                                   |
|                                   |                                   |
| The CD-3b approval milestone has  |                                   |
| been delayed to November 2003 to  |                                   |
| allow the extra time needed to    |                                   |
| adequately prepare the BCP and    |                                   |
| CD-3b approval documents.         |                                   |
+-----------------------------------+-----------------------------------+
| 22\) Impact on Scope Baseline:    |                                   |
|                                   |                                   |
| The scope of the baseline no      |                                   |
| longer contains the silicon       |                                   |
| detector.                         |                                   |
+-----------------------------------+-----------------------------------+
| 23\) Explanation of Impact on     |                                   |
| Scope Baseline:                   |                                   |
|                                   |                                   |
| Additional procurements in        |                                   |
| support of the Silicon Detector   |                                   |
| subproject current baseline will  |                                   |
| not be placed. Some contracts     |                                   |
| already underway will be          |                                   |
| terminated for convenience. Some  |                                   |
| prototypical stages of the        |                                   |
| Silicon Detectors will be         |                                   |
| completed, tested, and            |                                   |
| documented. Remaining scope will  |                                   |
| be assessed for optimal use with  |                                   |
| the current detector.             |                                   |
+-----------------------------------+-----------------------------------+
| 24\) Other Impacts (Health,       |                                   |
| Safety, Environment, etc.)        |                                   |
|                                   |                                   |
| None                              |                                   |
+-----------------------------------+-----------------------------------+
| 25\) Interim or Corrective        |                                   |
| Actions:                          |                                   |
|                                   |                                   |
| Efforts at the Silicon Detector   |                                   |
| (SiDet) fabrication facility have |                                   |
| been tentatively redirected to    |                                   |
| support the actions proposed in   |                                   |
| this BCP.                         |                                   |
+-----------------------------------+-----------------------------------+

+--------------------------------+---+-----------------------------------+
| **FIELD DISPOSITION - LEVEL    |   |                                   |
| 2**                            |   |                                   |
+--------------------------------+---+-----------------------------------+
| 26\) Members                   | R |                                   |
|                                | e |                                   |
|                                | c |                                   |
|                                | o |                                   |
|                                | m |                                   |
|                                | m |                                   |
|                                | e |                                   |
|                                | n |                                   |
|                                | d |                                   |
|                                | a |                                   |
|                                | t |                                   |
|                                | i |                                   |
|                                | o |                                   |
|                                | n |                                   |
|                                | s |                                   |
+--------------------------------+---+-----------------------------------+
| Paul Philp Date                |   |                                   |
|                                |   |                                   |
| Run II Project Director        |   |                                   |
|                                |   |                                   |
| Fermi Area Office              |   |                                   |
+--------------------------------+---+-----------------------------------+
| Jane L. Monhart Date           |   |                                   |
|                                |   |                                   |
| Fermi Area Office Manager      |   |                                   |
+--------------------------------+---+-----------------------------------+
| **PROGRAM DISPOSITION - LEVEL  |   |                                   |
| 1**                            |   |                                   |
+--------------------------------+---+-----------------------------------+
| 27\) Advisors (Specialized     |   | Recommendations                   |
| Support, as required)          |   |                                   |
+--------------------------------+---+-----------------------------------+
| Michael Procario Date          |   |                                   |
|                                |   |                                   |
| Run IIb Program Manager        |   |                                   |
|                                |   |                                   |
| Office of High Energy Physics  |   |                                   |
+--------------------------------+---+-----------------------------------+
| **ACQUISITION EXECUTIVE -      |   |                                   |
| LEVEL 1**                      |   |                                   |
+--------------------------------+---+-----------------------------------+
| Disposition \[ \] Approved \[  | C |                                   |
| \] Endorsed \[ \] Rejected     | o |                                   |
|                                | m |                                   |
| Robin Staffin Date             | m |                                   |
|                                | e |                                   |
| Associate Director             | n |                                   |
|                                | t |                                   |
| Office of High Energy Physics  | s |                                   |
|                                | : |                                   |
+--------------------------------+---+-----------------------------------+