Changes

{| class="wikitable"

{| class="wikitable"

|+ Grain size analysis, percent passing<ref>OPSS. (2013). Material Specification for Aggregates - Base, Subbase, Select Subgrade, and Backfill Material. Retrieved from http://www.raqsb.mto.gov.on.ca/techpubs/ops.nsf/0/0b9aa4d966cac4f9852580820062909e/$FILE/OPSS.MUNI%201010%20Nov%2013.pdf</ref>  

|+ Grain size analysis, percent passing<ref>OPSS. (2013). Material Specification for Aggregates - Base, Subbase, Select Subgrade, and Backfill Material. Retrieved from http://www.raqsb.mto.gov.on.ca/techpubs/ops.nsf/0/0b9aa4d966cac4f9852580820062909e/$FILE/OPSS.MUNI%201010%20Nov%2013.pdf</ref> <ref>OPSS. (2020). Construction Specification for Open Grades Drainage Layer. OPSS.PROV 320. Retrieved from: https://www.roadauthority.com/Standards/Home/FileDownload?standardFileId=b159a440-9c86-4086-a9d1-4906c1ecb258</ref>

!rowspan = "2" align = center| Sieve size (mm)  

!rowspan = "2" align = center| Sieve size (mm)  

!colspan = "2" align = center| A  

!colspan = "2" align = center| A  

[[Category: Materials]]

[[Category: Materials]]