EWP Electrical Safety Standards
Thorough inspections help confirm equipment readiness and regulatory compliance.
Mandatory Six-Month Re-Testing Requirement
Following the guidelines set forth by AS/NZS1418.10, there is a mandatory requirement for the periodic re-testing of electrically insulated Elevated Work Platform (EWP) trucks every six months. This is crucial to verify and uphold the insulation properties that safeguard the workers within the platform's bucket.
Acceptance Testing Requirements
Additionally, a more comprehensive examination known as acceptance testing is mandated every ten years, particularly after a major inspection or in the aftermath of significant repairs or incidents.
Importance of Proper EWP Preparation
Presenting the insulated EWP unit in a meticulously clean and well-prepared state is paramount. This preparation is essential to facilitate the re-testing process without any hitches and to enhance the likelihood of obtaining a favourable pass result for the asset.
Preparing for High Voltage Testing
CaliPro Solutions specialises in High Voltage testing (HV), encompassing the scrutiny of insulated EWP. With considerable expertise in compliance testing, the company provides recommendations to assist in preparing for the testing procedure:
Present the MEWP in Test-Ready Condition
Adhering to the AS/NZS1418.10 National Standard, testers require the Mobile Elevated Working Platform (MEWP) to be presented in the condition it is intended to be tested. Therefore, it is imperative that the MEWP is clean and devoid of any visible damage before testing.
Clean the MEWP Thoroughly
Cleaning the MEWP, both inside and outside, at least 48 hours prior to testing, paying particular attention to the insulating inserts.
Allow Adequate Drying Time
Recognising that test failures can often be attributed to moisture, expedite the drying process by elevating the Boom in the air.
Avoid Washing Before Scheduled Testing
Avoiding washing the MEWP within 12 hours of any scheduled test, as insufficient drying time may lead to electrical test failures.
Maintain a Polished Boom Surface
Ensuring that the surface of the Boom is polished to prevent water from pooling on the insulating inserts during Wet Tests, as this could result in failure.
Inspect for Damage and Missing Covers
Conducting a visual inspection of the MEWP for any missing or damaged coverings, and promptly replacing or repairing them if necessary.
Cleaning Responsibilities Prior to Testing
It is emphasized that due to the standard's specifications and required drying times, testing companies cannot assist in the cleaning process. Therefore, adequate time must be allocated for these preparations before testing.
Environmental Factors That Can Affect Test Results
Additionally, external factors such as rain, high humidity, or cold temperatures can negatively impact testing results. To mitigate these influences, it is recommended to store the EWP in a dry and secure environment before testing, especially in conditions of high humidity or low temperatures.
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