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Database: 189759 (12 Oct 2025)
DL/T 1720-2017 English PDF
US$229.00 · In stock
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DL/T 1720-2017
: Technical guide for helicopter live working on overheard transmission line
Status: Valid
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DL/T 1720-2017
English
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Technical guide for helicopter live working on overheard transmission line
Valid
DL/T 1720-2017
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Basic data
Standard ID
DL/T 1720-2017 (DL/T1720-2017)
Description (Translated English)
Technical guide for helicopter live working on overheard transmission line
Sector / Industry
Electricity & Power Industry Standard (Recommended)
Classification of Chinese Standard
F20
Classification of International Standard
29.240.01
Word Count Estimation
10,175
Date of Issue
2017-08-02
Date of Implementation
2017-12-01
Quoted Standard
GB/T 2900.55; GB/T 6568; GB/T 13035; GB/T 14286; GB/T 18037; GB/T 25726; GB 26859; DL/T 288; DL/T 289; DL 409; DL/T 741; DL/T 966; DL/T 1345; CCAR-91
Regulation (derived from)
National Energy Board Notice 2017 No. 8; Industry Standard Filing Announcement 2017 No. 12 (Total No. 216)
Issuing agency(ies)
National Energy Administration
Summary
This standard specifies the general requirements, pre-operation preparation, technical requirements, safety requirements and emergency treatment of helicopters for 500kV to 1000kV AC and ��500kV DC overhead transmission lines. This standard is applicable to live working with 500kV to 1000kV AC and ��500kV DC overhead transmission lines using manned helicopters (hereafter referred to as helicopters).