Level 2 specification

NR/L2/TEL/30072

Specification for the Maintenance of DOO(P) CCTV, Guard-Assisted CCTV and DOO Mirror Systems (formerly NR/WI/TEL/30072)

Issue 3, 1 December 2012

Maintenance regime for Driver Only Operation (Passenger) platform CCTV, guard-assisted CCTV and DOO platform mirrors: monitor and camera checks, focus and alignment against reference images or a resolution test target, earthing and bonding, infrequent hood/housing checks, mirror inspection 6 monthly and yearly cab-ride monitoring of system functionality.

Clause map — what each clause deals with

1	Purpose	Maintenance aims to reduce deterioration failures and find faults before they affect train dispatch
2	Scope	Applies to DOO CCTV, guard-assisted CCTV and DOO mirror systems on NR infrastructure and the staff maintaining them
3	Responsibilities	Mark out-of-service monitors or mirrors with warning tape, report defects to fault control, record fixes on the work return and follow the appendices
Appendix A	Driver Only Operation (Passenger)	DOO(P) CCTV: monthly CRT checks, 1-4 monthly system service (monitor, camera, cabinet) depending on environment, yearly infrequent checks of hoods, housings and earths
Appendix A Service C (NR/BS/LI/502)	Camera and monitor post inspection (emergency change)	Emergency change added after a corroded DOO post fell: annual visual check of every camera and monitor post for damage, rust or worn galvanising
Appendix B	'Guard-Assisted' (Passenger) CCTV	Monthly functional check of pictures, labels and cleaning; 3 monthly system check of earthing, housings, locks, cables, heaters, fans and splitters; lifting gear inspected first
Appendix C	Driver Only Operation (Passenger) Mirror	Six-monthly inspection of DOO mirrors, supports and protective shields for security, damage and correct angle, plus cleaning
Appendix D	System Monitoring	Cab rides over a 12 month period, day and dark, to observe driver view of monitors and mirrors, car stop boards, image quality, glare, obstructions and lighting