BOS 163-37: 2008

Standardized specification for civil engineering construction Part 37: Asphalt base and surfacing – Specification.

This Botswana Standard covers the priming of the sub-base and the construction of two types of hot-mix asphalt base and surfacing namely:
a) Continuously graded asphalt; and
b) Gap-graded and open-graded asphalt which, in the case of surfacing, includes rolled-in pre-coated chips or a friction course of open graded asphalt.

Pages: 24

CurrentStage: 60.60

ICS: 93.020