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					       EHSWeb
       EHSWeb is MIT’s Environmental Health and Safety Management System. It provides a framework for DLCs to manage                                             Currently there are plans to move the EHSWeb functionality into SAP. By February 2005 the inspection and audit phases are
       training and requirements for training for its employees. The EHS system was developed to help MIT with its policy towards                                expected to go live, followed by the training module in June 2005.
       safety in research and teaching. In addition EHSWeb helps provide MIT with accountability with environmental health and
       safety stewardship and still maintain an independence in research and teaching.
       The EHSWeb system has various user interfaces to allow users to perform the actions outlined above. Each user group of the
       application can use the appropriate interface to conduct their daily business. These interfaces are shown below, indicative of
       their purpose.
       The Diagrams below display the Logical and Physical Architecture of EHSWeb. The Logical Architecture diagram displays
       systems in addition to the EHSWeb application. These systems include SAP, PI/Space Registration, Sara and Netcaster. An
       explanation of these systems follows. SAP contains information about the training events MIT community members can
       attend and those they have already attended. Therefore this information must be fed into EHSWeb to gain a holistic
       understand of the training an individual has taken. The PI/Space Registration system allows Principle Investigators of
       various areas at MIT to keep track of the hazards in their area of responsibility. This information allows the EHSWeb
       application to gain an understanding of the training needs people may have due to the spaces they are currently working in.
       Finally, Netcaster is a web based application to allow MIT community members to take online training courses. It manages
       course information and completion and must feed this to EHSWeb to indicate people are completing their required training
       courses.


                                          EHSWeb Logical Architecture Diagram                                                        Key:
                                                                                                                                                                                                                       EHSWeb Physical Architecture Diagram
                                                              Users
                                                                                                                                            System
                                                                                                                                          Component
                                                                                                                                                                     Facility W91 - Primary                                                   Facility E40 - Backup               Key:

                                                                                                                                                                                                                                                  Test/Backup Server:               Facility or
                                                                                                                                                                         Production and Application Server:                                                                         Location
                                                                                                                                            Related                      Hardware: Sun                                                            Hardware: Sun
                                                                                                                                            System                       Operating System: Sun Solaris                                            Operating System: Sun Solaris
                                                                                                                                                                         Software:                                                                Software:
                                                                                                                                                                          - Apache Web Server                                                      - Apache Web Server
                                        Training Needs   Training Records           Entering Training                                                                                                                                              - Apache Tomcat                       Physical
                                                                                                                                                                          - Apache Tomcat                                                                                                Server or
                                         Assessment             Input                     Rules
                                               UI                 UI                       UI                                               Other MIT                                                                                                                                    Storage
      Other MIT Systems                                                                                                                      System
    Incoming:
     SAP TEM (On                                                                                            SAP Training
       Other MIT Systems
       Campus)                                                                                              Events Module
     SAP TEM (Lincoln                                                                                                                      External
                                                                                                             (On Campus)                                                 Production Database Server:
       Labs)                                                                                                                                Systems                      Hardware: Sun
     Roles                                                                                                                                                              Operating System: Sun Solaris
                                                                                                                                                                         Software:
                                                                                                             SAP Training                                                 - Oracle Database Server
                                                             EHS Web
                                                                                                            Events Module
                                                                                                            (Lincoln Labs)
     Outgoing:                                           Training Records &
      Data Warehouse                                       Requirements


                                                                                                           Data Warehouse
      External Systems

     Incoming:
                                                                                                                                                                                        RAID for Database
      Netcaster (Web                                                                                                                                                                   Storage
        based courses)                                    Training Records                                    PI / Space
                                                                                                                                                                                        Vendor:
                                                          & Requirements                                     Registration                                                               Model:
                                                                 DB                                                                                                                     Capacity:
                                                               (Oracle)
     Outgoing:                                                                                                  SARA
      Netcaster (Web                                                                                         (Reporting
        based courses                                                                                         Inventory)




                                                                                                              Netcaster




Version 0.1 – August – September 2004                                                                                                          Prepared by Sapient for MIT                                                                                                                                1
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                                                                         This document represents a snapshot of an evolving set of documents. For information on further iterations, please visit: http://istwiki.mit.edu/istwiki/ItagFrontPage

				
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