# The Miscellaneous Mines Order 1956, Paragraph 26


A sufficient supply of suitable sprags, lockers or drags shall be provided, maintained and used for the purpose of holding vehicles—
(a) at the top of every incline on which vehicles are moved by gravity operated rope haulage apparatus; and
(b) at suitable points on any length of road in which the gradient exceeds 1:20.

---
Source: https://www.legislation.gov.uk/uksi/1956/1778/schedule/FIRST/paragraph/26 (the official version)
Page: https://openlegislation.uk/miscellaneous-mines-order-1956/schedule-FIRST/paragraph-26
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.