OSSGA Material Reference Guide

The Ontario Stone, Sand & Gravel Material Reference App provides aggregate specifications for granular base and subbase, concrete, hot mix aggregates and other aggregates. The app also provides information on sampling aggregates, conducting a sieve analysis of aggregates, definitions and a glossary of terms is provided. The app features a conversion calculator, a conical stockpile calculator as well as a number of other reference documents. The app also features a geographic listing of OSSGA member companies including the products they provide.