Physical links that bring these communication lines shall be delivered in a resilient manner (e.g. over an SDH  local loop or via diverse PDH routes or via diverse fibres anyway). Moreover, to guarantee the maximum  service availability, the two physical links shall enter EMSA building from both sides (see picture) i.e. from:  Tenderers shall provide in  no more than 20 pages  a description of:  It shall be possible to block access to premium rate numbers on these lines on EMSA request to avoid  inappropriate usage.  The tenderer shall provide detailed phone records on a monthly basis preferably via web interface.  Tenderers shall fill in the price grid in Appendix C, namely prices for the following elements:  It is a one off, initial and non-recurring cost for the set-up of the links, their local loops, and any associated  configuration. Included in the initial installation is also the delivery of one ADSL/SDSL line in EMSA premises  as per requirements set above.  Page 20 of 23  a) Setup fee for the initial installation  b) Monthly recurring fee (if any)   a project plan detailing the phases and the time needed to deliver the solution. The transition  phase from the current operator with number portability shall be described in detail, with the  measures adopted to avoid any disruption to EMSA operations;   the proposed solution;   the service levels (commercial and technical);   the customer support services and the service levels.  WEST: Praça Europa  NORTH: Ribeira das Naus 