The (often referenced as Book of Reference 3021 ) is a critical naval engineering specification focused on the shock requirements and testing for equipment and systems installed on combatant ships . Primarily utilized by the UK Ministry of Defence (MoD) and international partners like the Indian Navy, it ensures that vital shipboard components—from electronic displays to heavy propulsion units—can survive and remain operational following underwater explosions (UNDEX). Core Purpose and Scope
Any lab testing bitumen or asphalt must have the current to demonstrate compliance with ISO/IEC 17025 (laboratory accreditation).
Because it is a copyrighted document from official standards bodies, the official PDF of is not available for free . It can be purchased from several authorized standards resellers.
For equipment fitted safely above the waterline or items that do not directly impact the fighting capabilities of the vessel. br 3021 standard pdf
Purchasing a standard is a significant investment, but it is essential for compliance, quality assurance, and research.
It provides the exact parameters (g-force, duration, waveforms) for shock testing machines.
: The feature could allow users to upload vibration and shock sensor data, which the system then compares against the Indian Naval shock grade curves or British MoD peak acceleration requirements mentioned in the standard. The (often referenced as Book of Reference 3021
Global clearinghouses like IHS Markit (S&P Global), SAI Global, or BSI Group sell licensed PDF copies.
These cables are designed for environments where system failure is not an option.
A search for "EN 3021:2017" or "BS EN 3021:2017" on these websites will take you to the product page. Because it is a copyrighted document from official
Disclaimer: This article is for informational purposes. Standards are updated periodically. Always check with ABNT for the latest version before use.
(Original Portuguese: "NBR 3021 - Materiais betuminosos e termoplásticos - Determinação do ponto de amolecimento - Método do anel e bola")
The BR 3021 standard PDF typically includes the following sections: