Sydney Water’s Answers to the Questions asked during NSW IMRT

From Imrtwiki

Jump to: navigation, search

1) What is the safety locking system in place in Sydney Water?

The system is Lock Out/ Tag Out (LOTO) procedures for isolation of equipment. How it works is the plant operators use black coloured locks, electrical equipment use yellow coloured locks and mechanical use blue coloured locks. Also electricians use gold coloured locks for individual isolation

2) What is the maintenance management information system used?

Sydney Water uses a Maintenance Management Information System (MMIS) called MAXIMO which monitors the maintenance programme, maintenance costing data, Preventive Maintenance programmes, Job Plans, site names and addresses, staff labour names and details etc.

3) What is the policy on purchasing of a motor?

Sydney Water’s current policy in relation to the purchase of replacement motors and for new capital projects is to use High Energy Efficient motors.

4) Rewinding or Replacement of motor

When a motor requires rewinding, a computer programme procedure can be applied to determine if rewinding or replacement is the most cost effective.

5) Motor Protection

Motor protection can be:

  • Thermal protection
  • Fuses
  • Under voltage and/ or phase failure relays
  • Circuit breaker
  • Residual current devices

6) When greasing maintenance is performed?

The MAXIMO – Preventive Maintenance MMIS is programmed for greasing maintenance as part of the yearly motor maintenance preventive maintenance Job Plans. Sample Job plans attached.

7) Types of motor voltages and starting procedures available in Sydney Water

Motor voltages are: 11 kV, 7200V, 5000V, 3300V, 415V and 240V. Motor Starting procedures are:

  • Direct-On-Line (DOL)
  • Auto-Transformer
  • Soft Start
  • Variable Frequency
  • Variable Voltage
  • Variable Speed Drive
Retrieved from "http://www.sirfrt.com.au/wikis/imrt/index.php/Sydney_Water%E2%80%99s_Answers_to_the_Questions_asked_during_NSW_IMRT"