Inspecting and testing the build

Key Build Stage 7 Block paving

Block paving checks

Evidence

Frequency

Verification of block and bedding sand material.

Ticket

All sources

Verification of grit infill material for permeable paving (2-4mm, 6-8mm)

Ticket

All sources

Ensure road is power washed and mechanically swept prior to drilling binder course infiltration holes and swept clean following drilling (permeable paving sites)

Visual

All lengths

Inspection of cored infiltration holes in binder course e.g. spacing intervals and depth (permeable paving sites)

Visual

All lengths

Inspect approved laying patterns (mortar infill not to be used)

Visual

All lengths

Ensure sufficient edge restraints

Visual

All lengths

Check correct thickness, colours and dimensions of blocks

Visual

All lengths

Check correct kerb faces

Visual

All lengths

Check depth of bedding sand/course within tolerances (+10mm)

Visual

All lengths

Inspect completed surface regularity (check for drainage problems and possible areas of ponding)

Visual

All lengths

Inspection of jointing grit, ensuring joints are filled to the top of the block (permeable paving)

Visual

All lengths