SL/T 4-1999
Technical code for farmland drainage project (English Version)

Standard No.

SL/T 4-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Water Conservancy

Status

Be replaced 2020-09

Replace By

SL 4-2013

SL/T 4-2020

Latest

SL/T 4-2020

Scope

This specification applies to the planning, design, construction and management of new, expanded and renovated farmland drainage projects.

SL/T 4-1999 history

• 2020 SL/T 4-2020 Technical specifications for farmland drainage engineering
• 2013 SL 4-2013 Technical code for farmland drainage project
• 1999 SL/T 4-1999 Technical code for farmland drainage project

SL/T 4-1999 Technical code for farmland drainage project was changed to SL 4-2013 Technical code for farmland drainage project.