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英国论文网-留学生工程项目成本管理研究之工作分解结构-Work Breakdown Structure-TECHNICA(2)


1.1. Project Planning, Management and Administration. This element includes the general management of the project, establishment and operation of the cost and schedule tracking systems, generation of financial and technical reports, organizing technical and project reviews, and the accelerator and FEL physics activities not covered by the individual systems. Costs related to management of project-wide ES&H issues will be captured in this WBS element.
1.1.1 ES&H. This element will capture effort and other costs associated with management of safety issues in the design and construction phases of the Project.
1.1.2 Project Supervision and Coordination. This element will include the costs of oversight such as Project Director Reviews and other reviews. It will provide budget for Project Earned Value System.
1.2. Electron Beam Handling Systems. This element includes the technical equipment required to generate the electron beam, to accelerate and transport the electron beam, through the undulator, and to dump the electron beam.
1.2.1 Injector. The injector generates the electron beam and accelerates it to 150 MeV. This element includes the laser, optical transport, the electron gun, the accelerator sections, the solenoids and other magnets, the diagnostics including a diagnostic section at the end of the injector, the LCLS timing system, and the laser room. The interface to the Linac is at the downstream end of Dog Leg 1 (DL1).
1.2.2 Accelerator. The linac accelerates the electron beam while preserving the transverse emittance and compressing the longitudinal size. This element includes modifications to the last third of the existing SLAC linac, Bunch Compressor 1 (BC1), Bunch Compressor 2 (BC2), beam transport to the undulator, beam transport after the undulator, bend magnets and beam dump, the bypass system for transporting test beams to end station A, and diagnostics including characterizing both the electron and x-ray beams as they pass through the undulator.
The interface with the undulator is a vacuum flange at each end of the undulator. This element includes the common beam line beyond the undulator for the electrons and x-rays until the electrons are deflected enough
15-2 ♦ W o r k B r e a k d o w n S t r u c t u r e
L C L S C O N C E P T U A L D E S I G N R E P O R T
for an interface to the x-ray beam line.
1.2.3 Undulator. The undulator system provides the magnetic environment for interaction between the electron beam and an exponentially growing, coherent x-ray beam. This element includes undulator magnet, vacuum system, supports, beam diagnostics for the electron and x-ray beams in the undulator, ancillary magnets, magnetic measurements and fiducializing the undulator. Computer controls for hardware in the undulator path will be included in this element.
1.2.4 Installation and Alignment. This element is responsible for installation of the technical components and their alignment. This element includes the removal of existing components from the FFTB, installation of the undulator and dump magnets in the FFTB, the installation of new linac components, the installation of the injector components (not including the FEL x-ray optics).


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