Level 2 specification
NR/L2/TEL/30080
Specification for the Maintenance of Whiteley PETS (formerly NR/WI/TEL/30080)
Issue 3, 7 June 2014
Maintenance regime for Whiteley public emergency telephone systems (PETS) at level crossings: 3 monthly crossing phone checks and call tests (labels, sign, off-hook alarm, emergency override), yearly control equipment checks, and battery checks on Yuasa NP12-12 cells with internal resistance and voltage limits.
Clause map — what each clause deals with
| 1 | Purpose | Maintaining Whiteley PETS reduces deterioration failures and finds faults early |
| 2 | Scope | Covers Whiteley PETS at road/rail crossings with charger, batteries, phones and tail cables, and the staff who maintain them |
| 3 | Responsibilities | Agree work with the signaller, battery PPE and gas precautions, ESD, report defects, label faulty phones, record actions on work return |
| Appendix A | Maintenance of Whiteley PETS | Frequency table (3 monthly phones, yearly control equipment, batteries 6 or 12 monthly by climate control) and the service task lists |
| Appendix A Service A | Crossing End Phones Check | Each crossing phone: access, 3-sided sign, label content, housing and post, backlight, tail cable, handset; call test, off-hook alarm test and emergency override test |
| Appendix A Service B | Control Equipment | Crossing and standalone signal box end control units: access, alarms cleared first, cable entry, wiring, terminations and earthing |
| Appendix A Service C | Batteries | Fuse, straps and terminals, room temperature range, internal resistance test and per-cell voltage against tolerance tables for Yuasa NP12-12, terminal cleaning |