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'''Key Inspection Points:'''
'''Key Inspection Points:'''
*Granular bedding material is correct size and material (e.g. 5 mm stone) upon arrival to site. For an example of a municipal standard for gradation and material size, refer to [https://www.toronto.ca/wp-content/uploads/2021/08/952c-ecs-specs-gi-specs-TS861Sep2021.pdf Toronto Standard 861]<ref>Toronto, 2021,</ref>.
*Granular bedding material is correct size and material (e.g. 5 mm stone) upon arrival to site. For an example of a municipal standard for gradation and material size, refer to ([https://www.toronto.ca/wp-content/uploads/2021/08/952c-ecs-specs-gi-specs-TS861Sep2021.pdf City of Toronto, 2021])<ref>City of Toronto. 2021. TS 861 Construction Specifications for Permeable Interlocking Concrete Pavers. https://www.toronto.ca/wp-content/uploads/2021/08/952c-ecs-specs-gi-specs-TS861Sep2021.pdf</ref>.
*Bedding depth conforms to design and is uniform across the LID feature.
*Bedding depth conforms to design and is uniform across the LID feature.
*When a 3-metre straightedge is placed on the surface of the bedding material, gaps between the straightedge and bedding surface are not greater than 10 mm at any point.
*When a 3-metre straightedge is placed on the surface of the bedding material, gaps between the straightedge and bedding surface are not greater than 10 mm at any point.
*Use of plate vibrators – do not use plate vibrators for levelling, as they can crush the bedding material. Tamping should be performed after the installation of the pavers.
*Use of plate vibrators – do not use plate vibrators for levelling, as they can crush the bedding material. Tamping should be performed after the installation of the pavers.
For more guidance on materials specifications, refer to [[aggregate]], [[OPSS aggregates]] and OPSS PROV 1010 Aggregates - Base Subbase Select Subgrade, and Backfill Material Standard <ref>[https://www.roadauthority.com/Standards/?id=a28fdfaf-3bf8-4679-81ca-4e44b2263cf8 OPSS PROV 1010 Aggregates - Base Subbase Select Subgrade, and Backfill Material Standard.]</ref>
For more guidance on materials specifications, refer to [[aggregate]], [[OPSS aggregates]] and ([https://www.roadauthority.com/Standards/?id=a28fdfaf-3bf8-4679-81ca-4e44b2263cf8 Ontario Provincial Standards. 2013 OPSS.PROV.10101 Aggregates - Base, Subbase Select Subgrade, and Backfill Material. Version Apr 2013. https://www.roadauthority.com/Standards/?id=a28fdfaf-3bf8-4679-81ca-4e44b2263cf8</ref>