Operations and Engineering Services Framework

This lot covers mechanical and general engineering support services required to support CSL operations, including: mechanical fitting and repair light fabrication welding, including coded welding where relevant ancillary equipment repair temporary mechanical arrangements repair or modification of non-integrated mechanical systems basic plant and equipment support where within CSL-controlled scope non-OEM HVAC mechanical support metalwork, brackets, supports and local fabricated solutions mechanical support to temporary operational fixes Additional information: Exclusions Specific to Lot 1 rolling stock mechanical systems covered under TSSSA depot mechanical systems owned by Alstom or site owner safety-critical traction, brake or other OEM systems

This lot covers electrical and controls support services, including: low voltage electrical works temporary electrical arrangements non-integrated lighting systems control panel works on non-OEM assets fault finding on approved systems cable routing and connection for temporary arrangements temporary power distribution arrangements minor electrical support to CSL-controlled ancillary assets non-integrated controls support local system modifications outside OEM scope Additional information: Exclusions Specific to Lot 2: OEM-controlled rolling stock electrical systems depot fixed electrical infrastructure HV systems unless expressly stated and properly authorised works already within Alstom or CAF responsibility

This lot covers plumbing and welfare-related operational support, including: plumbing repairs to CSL-controlled systems minor drainage support leak response welfare facility supports where within CSL commissioning authority temporary water arrangements repair or replacement of localised pipework or fittings in approved scope response to water ingress or similar operational issues temporary welfare service continuity arrangements hygiene related support associated with welfare systems Additional information: Exclusions Specific to Lot 3: depot-wide plumbing infrastructure owned by site owner integrated train plumbing systems under TSSSA major building services works

This lot covers specialist support services, including: non-destructive testing specialist inspections corrosion treatment or assessment temporary works design engineering assessment services lifting support and related specialist advice specialist technical investigations reporting and assurance support on defined interventions specialist measurement and testing services local engineering assurance where required Additional information: Exclusions Specific to Lot 5: OEM certification work beyond supplier competence or authority services reserved to another contract or statutory body services requiring a separate regulated procurement due to value or strategic nature

This lot covers digital and data support services, including: data extraction from approved sources data cleansing and transformation creation of structured datasets support to predictive maintenance initiatives support to condition monitoring initiatives support to third party analytics providers engaged by CSL set up of non-integrated monitoring devices or sensors dashboard or reporting support directly related to operational use cases data handling support linked to engineering or operational investigations technical support to improve data usability for CSL decision making Additional information: Exclusions Specific to Lot 6: unauthorised access to OEM restricted systems modification of CAF or Alstom systems without approval large-scale software development or enterprise platforms not suited to this Framework

This lot covers emergency response and incident support services, including: 24/7 call-out support urgent operational interventions rapid deployment to stabilise or mitigate service-affecting issues emergency temporary works immediate support to restore operational continuity urgent attendance for fault investigation outside restricted scope emergency logistics and mobilisation provision of on-call resources to support operational continuity urgent support to containment, isolation or temporary workaround activity Additional information: Exclusions Specific to Lot 6: emergency works falling wholly within CAF or Alstom contractual responsibility blue light or statutory emergency services functions uncontrolled instruction of works without CSL authorisation