ACS-03 on USFD Manual 2022 Explained 🔍 | DFWN, DFWO, DFWR Speed Restrictions & Actions | TechnoRYZ

New A&C Slip No. 3 – November 2025 for the Manual for Ultrasonic Testing of Rails & Welds (Revised 2022) has been issued, and in this video we decode it in simple language for P.Way & USFD staff.

ACS-03 USFD-2022

📌 What we cover in this video:

Background of ACS-03 to USFD Manual 2022

Revised Para 8.10.1 – action on DFWN joints

When and how to remove defective AT welds

Use of joggled fish plates, clamps & wooden blocks

New mandatory 30 kmph speed restriction and when it can be relaxed

Revised Para 8.14 – action for DFWO / DFWR / DFWN in:

Open track

Major bridges & bridge approaches

Tunnels & tunnel approaches

Time limits: 1 month / 3 days / 3 months – complete clarity with examples

Important notes for field SSE/JE (P.Way) & USFD teams

🎯 Best suited for:

ADEN LDCE / LGS aspirants

JE/SSE (P.Way), Track Machine & Bridge staff

Section Engineers, JEs, USFD operators & trainees

Anyone who needs to implement the latest USFD instructions on track

📝 Language: Hinglish (English terms + easy Hindi explanation)
📚 Source: Manual for Ultrasonic Testing of Rails & Welds (Revised 2022) – ACS-03, Nov 2025

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This video is for learning and quick revision.

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