SL 151-2014 (English Version) PDF

Scope: This standard specifies the structural type, technical requirements, test methods, inspection rules, markings and instructions for use, packaging, transportation and storage of hydrographic winches (hereinafter referred to as winches). This standard is suitable for use in rivers, lakes, reservoirs, channels and other water bodies, using methods such as ship surveying, hydrographic cableway or bridge surveying, etc., to lift and release hydrological instruments to predetermined measuring points to measure hydrological parameters such as water flow velocity, water depth, and sediment content. of various winches.

SL 151-2014 history