Notice on Soliciting Comments on Two Group Standards including Design Code for Navigation Tunnels in Mountain Rivers
CIN [2026] No.2‑025
To all relevant units:
In accordance with the development and revision plan for group standards of China Institute of Navigation, the two group standards compiled under the organization of CIN, namely Design Code for Navigation Tunnels in Mountain Rivers and Technical Requirements for Unmanned Cargo‑Hold Cleaning Equipment and Operations of Dry Bulk Carriers, have been finalized as drafts for public comment.
Pursuant to the Administrative Measures for Group Standards of China Institute of Navigation, the draft standards and preparation notes are hereby circulated to your organization to guarantee the scientific soundness, rigor and applicability of the standards.
Please submit your comments and feedback sheet by email to tuanbiao@cinnet.cn no later than July 15, 2026.
Failure to respond before the deadline shall be deemed as no objection. We appreciate your support for the group standard development of CIN!
Contact: Zhao Zicong, Science and Technology Service Department
Mobile: 18801044778
Attachments:
- Design Code for Navigation Tunnels in Mountain Rivers (Draft for Public Comment)
- Design Code for Navigation Tunnels in Mountain Rivers (Preparation Notes)
- Technical Requirements for Unmanned Cargo‑Hold Cleaning Equipment and Operations of Dry Bulk Carriers (Draft for Public Comment)
- Technical Requirements for Unmanned Cargo‑Hold Cleaning Equipment and Operations of Dry Bulk Carriers (Preparation Notes)
- Comment Feedback Form
China Institute of Navigation
June 15, 2026
