**U.S. ATLAS PROJECT**

**BASELINE CHANGE PROPOSAL (BCP)**

+--------------+----------------+------------------------+------------+
| 1\) BCP      |                | 2\) BCP Title: Pixel   |            |
| Number: XX   |                | O                      |            |
|              |                | ptoelectronics/Optical |            |
|              |                | Hybrids                |            |
+--------------+----------------+------------------------+------------+
| 3\) Budget   |                | 4\) MSA Title: U.S.    |            |
| Number: WBS  |                | ATLAS                  |            |
| 1.1.1        |                |                        |            |
+--------------+----------------+------------------------+------------+
| 5\) Date     |                |                        |            |
| Submitted    |                |                        |            |
| (Project     |                |                        |            |
| Office):     |                |                        |            |
| MM/DD/YY     |                |                        |            |
+--------------+----------------+------------------------+------------+
| 6\) Change   | 7\) BCP Level  | 8\) Directed Change?   |            |
| Designation: |                |                        |            |
|              | Level 0 \[ \]  | Yes \[ \]              |            |
| Priority \[  | Level 2 \[ \]  |                        |            |
| X \]         |                | No \[X \]              |            |
|              | Level 1 \[ \]  |                        |            |
| Routine \[   | Level 3 \[X\]  |                        |            |
| \]           |                |                        |            |
+--------------+----------------+------------------------+------------+
| 10\) Point   |                |                        |            |
| of Contact:  |                |                        |            |
| Abe Seiden   |                |                        |            |
|              |                |                        |            |
| 11\) Phone:  |                |                        |            |
| (831)        |                |                        |            |
| 459-2923     |                |                        |            |
|              |                |                        |            |
| 12\) FAX :   |                |                        |            |
| (831)        |                |                        |            |
| 459-5777     |                |                        |            |
|              |                |                        |            |
| 12a) E-mail: |                |                        |            |
| abs@sc       |                |                        |            |
| ipp.ucsc.edu |                |                        |            |
|              |                |                        |            |
| 13\)         |                |                        |            |
| Address:     |                |                        |            |
| S            |                |                        |            |
| CIPP/Natural |                |                        |            |
| Sciences     |                |                        |            |
| I            |                |                        |            |
| I/University |                |                        |            |
| of           |                |                        |            |
| California   |                |                        |            |
| Santa        |                |                        |            |
| Cruz/1156    |                |                        |            |
| High Street, |                |                        |            |
| Santa Cruz,  |                |                        |            |
| CA 95064     |                |                        |            |
+--------------+----------------+------------------------+------------+
| 14\) Change  |                |                        |            |
| Description: |                |                        |            |
| Release of   |                |                        |            |
| management   |                |                        |            |
| contingency  |                |                        |            |
| for the      |                |                        |            |
| procurement  |                |                        |            |
| of           |                |                        |            |
| opt          |                |                        |            |
| oelectronics |                |                        |            |
| integrated   |                |                        |            |
| circuits and |                |                        |            |
| optoboards   |                |                        |            |
+--------------+----------------+------------------------+------------+
| 15\) Change  |                |                        |            |
| Ju           |                |                        |            |
| stification: |                |                        |            |
| Baseline     |                |                        |            |
| funding for  |                |                        |            |
| procurement  |                |                        |            |
| of           |                |                        |            |
| opt          |                |                        |            |
| oelectronics |                |                        |            |
| integrated   |                |                        |            |
| circuits and |                |                        |            |
| for optical  |                |                        |            |
| hybrids      |                |                        |            |
| (optoboards) |                |                        |            |
| is           |                |                        |            |
| insufficient |                |                        |            |
| for 2-hit    |                |                        |            |
| pixel        |                |                        |            |
| system.      |                |                        |            |
+--------------+----------------+------------------------+------------+
| 16\) Impact  |                |                        |            |
| of           |                |                        |            |
| N            |                |                        |            |
| on-Approval: |                |                        |            |
| An           |                |                        |            |
| insufficient |                |                        |            |
| number of    |                |                        |            |
| opt          |                |                        |            |
| oelectronics |                |                        |            |
| integrated   |                |                        |            |
| circuits and |                |                        |            |
| optoboards   |                |                        |            |
| would be     |                |                        |            |
| procured and |                |                        |            |
| the pixel    |                |                        |            |
| detector     |                |                        |            |
| could not be |                |                        |            |
| completed.   |                |                        |            |
+--------------+----------------+------------------------+------------+

**U.S. ATLAS PROJECT**

**BASELINE CHANGE PROPOSAL (BCP)**

+-----------------------------+------------+------------+-------------+
| 17\) BCP Number: XX         | 18\) BCP   |            |             |
|                             | Title:     |            |             |
|                             | Pixel      |            |             |
|                             | Opt        |            |             |
|                             | oelectroni |            |             |
|                             | cs/Optical |            |             |
|                             | Hybrids    |            |             |
+-----------------------------+------------+------------+-------------+
| 19\) Impact on Cost         | Baseline   | Proposed   | AY\$        |
| Baseline:                   |            |            |             |
|                             | (AY\$ in   | (AY\$ in   | Change      |
|                             | Thousands) | Thousands) |             |
+-----------------------------+------------+------------+-------------+
| 1.                          | 38K        | 76K        | 38K         |
| Production(Optoelectronics) |            |            |             |
|                             | 40K        | 90K        | 50K         |
| 1.1.1.4.3.3.2 Optical       |            |            |             |
| hybrids                     |            |            |             |
|                             |            |            |             |
| Note that \$ values are     |            |            |             |
| FY03 and not \$AY           |            |            |             |
+-----------------------------+------------+------------+-------------+
| 20\) Impact on Funding      |            |            |             |
| Profile: The required       |            |            |             |
| funding profile is          |            |            |             |
|                             |            |            |             |
| Baseline                    |            |            |             |
|                             |            |            |             |
| FY03 FY04                   |            |            |             |
|                             |            |            |             |
| 2.                          |            |            |             |
| Production(Optoelectronics) |            |            |             |
|     38                      |            |            |             |
|                             |            |            |             |
| 1.1.1.4.3.3.2 Optical       |            |            |             |
| hybrids 28 12               |            |            |             |
|                             |            |            |             |
| Management contingency      |            |            |             |
|                             |            |            |             |
| FY03 FY04                   |            |            |             |
|                             |            |            |             |
| 3.                          |            |            |             |
| Production(Optoelectronics) |            |            |             |
|     38                      |            |            |             |
|                             |            |            |             |
| 1.1.1.4.3.3.2 Optical       |            |            |             |
| hybrids 50                  |            |            |             |
|                             |            |            |             |
| Total                       |            |            |             |
|                             |            |            |             |
| FY03 FY04                   |            |            |             |
|                             |            |            |             |
| 4.                          |            |            |             |
| Production(Optoelectronics) |            |            |             |
|     76                      |            |            |             |
|                             |            |            |             |
| 1.1.1.4.3.3.2 Optical       |            |            |             |
| hybrids 78 12               |            |            |             |
+-----------------------------+------------+------------+-------------+
| 21\) Explanation of Impact  |            |            |             |
| on Cost and Funding         |            |            |             |
| Baselines: The cost         |            |            |             |
| baseline will increase by   |            |            |             |
| the amount of the change.   |            |            |             |
+-----------------------------+------------+------------+-------------+
| 22\) Impact on Schedule     |            |            |             |
| Baseline: The baseline      |            |            |             |
| schedule becomes            |            |            |             |
|                             |            |            |             |
| Start Date End Date         |            |            |             |
|                             |            |            |             |
| 5.                          |            |            |             |
| Production(Optoelectronics) |            |            |             |
|     11/20/03 4/7/04         |            |            |             |
|                             |            |            |             |
| 1.1.1.4.3.3.2 Optical       |            |            |             |
| hybrids 10/23/03 9/15/04    |            |            |             |
+-----------------------------+------------+------------+-------------+
| 23\) Explanation of Impact  |            |            |             |
| on Schedule Baseline: FY03  |            |            |             |
| funds are required for      |            |            |             |
| optoelectronics production  |            |            |             |
| to have funds transferred   |            |            |             |
| to CERN(committed) in time  |            |            |             |
| to begin production on the  |            |            |             |
| schedule above. Funds must  |            |            |             |
| be available at OSU to      |            |            |             |
| begin optical board         |            |            |             |
| production and thus         |            |            |             |
| sufficient FY03 funds must  |            |            |             |
| allocated although actual   |            |            |             |
| production will begin in    |            |            |             |
| early FY04.                 |            |            |             |
+-----------------------------+------------+------------+-------------+
|                             |            |            |             |
+-----------------------------+------------+------------+-------------+

**U.S. ATLAS PROJECT**

**BASELINE CHANGE PROPOSAL (BCP)**

+------------------------+---------+-----------+-----------+----------+
| 24\) BCP Number: xx    | 25\)    |           |           |          |
|                        | BCP     |           |           |          |
|                        | Title:  |           |           |          |
|                        | Pixel   |           |           |          |
|                        | Op      |           |           |          |
|                        | toelect |           |           |          |
|                        | ronics/ |           |           |          |
|                        | Optical |           |           |          |
|                        | Hybrids |           |           |          |
+------------------------+---------+-----------+-----------+----------+
| 26\) Impact on Scope   |         |           |           |          |
| Baseline:              |         |           |           |          |
+------------------------+---------+-----------+-----------+----------+
| Item                   |         | Baseline  | Proposed  | Change   |
+------------------------+---------+-----------+-----------+----------+
| 6.  Produ              |         | ICs for   | ICs for   | ICs for  |
| ction(Optoelectronics) |         | 50        | 100       | 50       |
|                        |         | optical   | optical   | optical  |
| 1.1.1.4.3.3.2 Optical  |         | boards    | boards    | boards   |
| hybrids                |         | used      |           |          |
|                        |         |           | 200 BeO   | 111 BeO  |
|                        |         | 89 BeO    | boards    | boards   |
|                        |         | boards    | used      | used     |
|                        |         |           |           |          |
|                        |         | used      |           |          |
+------------------------+---------+-----------+-----------+----------+
| 27\) Explanation of    |         |           |           |          |
| Impact on Scope        |         |           |           |          |
| Baseline. The proposed |         |           |           |          |
| funding would provide  |         |           |           |          |
| 50% of the total       |         |           |           |          |
| optoelectronics ICs.   |         |           |           |          |
| The remainder is       |         |           |           |          |
| funded by Germany. The |         |           |           |          |
| proposed amount will   |         |           |           |          |
| provide funding for    |         |           |           |          |
| BeO boards and loading |         |           |           |          |
| of passive components. |         |           |           |          |
| Optical                |         |           |           |          |
| components(VCSELs and  |         |           |           |          |
| PIN diodes) are now to |         |           |           |          |
| be provided to the US  |         |           |           |          |
| and Germany by Taiwan. |         |           |           |          |
| The US and Germany     |         |           |           |          |
| will now split the     |         |           |           |          |
| loading of optical     |         |           |           |          |
| components and         |         |           |           |          |
| subsequent testing.    |         |           |           |          |
+------------------------+---------+-----------+-----------+----------+
| 28\) Other Impacts:    |         |           |           |          |
| (Health, Safety,       |         |           |           |          |
| Environment, etc.)     |         |           |           |          |
| None.                  |         |           |           |          |
+------------------------+---------+-----------+-----------+----------+
| 29\) Interim or        |         |           |           |          |
| Corrective Actions:    |         |           |           |          |
| None.                  |         |           |           |          |
+------------------------+---------+-----------+-----------+----------+

**U.S. ATLAS PROJECT**

BASELINE CHANGE PROPOSAL (BCP)

  --------------------- -------------------------------------------------
  30\) BCP Number: XX   31\) BCP Title: Pixel Optoelectronics/Optical
                        Hybrids

  --------------------- -------------------------------------------------

PROJECT DISPOSITION - LEVEL 3

+---------------------------------+------------------------------------+
| 32\) REVIEW RECOMENDATIONS:     |                                    |
+---------------------------------+------------------------------------+
|                                 |                                    |
+---------------------------------+------------------------------------+
| U.S. ATLAS Project Manager      | Disposition \[ \] Approve \[ \]    |
|                                 | Reject                             |
| W. Willis                       |                                    |
+---------------------------------+------------------------------------+
|                                 | DATE:                              |
+---------------------------------+------------------------------------+
|                                 |                                    |
+---------------------------------+------------------------------------+
| BNL Associate Laboratory        | Disposition \[ \] Approve \[ \]    |
| Director                        | Reject                             |
|                                 |                                    |
| T. Kirk                         |                                    |
+---------------------------------+------------------------------------+
|                                 | DATE:                              |
+---------------------------------+------------------------------------+
|                                 |                                    |
+---------------------------------+------------------------------------+

# LHC PROJECT MANAGER DISPOSITION -- LEVEL 2

+---------------------------------+------------------------------------+
| DOE/NSF U.S. LHC Project        | Disposition \[ \] Approve \[ \]    |
| Manager                         | Reject                             |
|                                 |                                    |
| J. Yeck                         |                                    |
+---------------------------------+------------------------------------+
|                                 | DATE:                              |
+---------------------------------+------------------------------------+
| NSF Project Manager             | Disposition \[ \] Approve \[ \]    |
|                                 | Reject                             |
|                                 |                                    |
|                                 | DATE:                              |
+---------------------------------+------------------------------------+
|                                 |                                    |
+---------------------------------+------------------------------------+

## AGENCY DISPOSITION - LEVEL 1

  ------------------------------------ ----------------------------------
  33\) Joint Oversight Group           RECOMMENDATION

  Title: Date                          

  Title: Date                          

  Title: Date                          

  Title: Date                          

  Title: Date                          

  ATLAS/CERN                           RECOMMENDATION

  Title: Date                          

  Title: Date                          

  Title: Date                          

  Title: Date                          

  DISPOSITION                          

  Chairperson Date \[ \] Endorsed \[   
  \] Approved \[ \] Rejected           

  34\) Explanation (If Action is       
  Approved with Conditions, or Not     
  Concurred Upon)                      
  ------------------------------------ ----------------------------------