All templates
PlumbingResidential

Below-Ground Drainage Inspection & Test Plan

ITP for below-ground sanitary and stormwater drainage including bedding preparation, pipe laying, jointing, grade verification and mandrel testing prior to backfill per AS/NZS 3500.2.

13 checklist items
2 hold points
1 witness points
Use this template — it's free

Checklist Preview

Trench & Bedding

Requires sign-off
P/F
Trench width and depth per specification
P/F
Bedding material type and compaction
#
Bedding thickness (mm)
P/F
Subgrade free of rock and debris

Pipe Installation

Requires sign-off
P/F
Pipe grade verified with laser/level
Hold Witness
P/F
Joint assembly per manufacturer instructions
P/F
Junctions and bends at correct locations
P/F
Inspection openings per AS/NZS 3500

Testing & Backfill

Requires sign-off
P/F
Mandrel test passed (95% nominal ID)
Hold
P/F
Water tightness test satisfactory
P/F
CCTV inspection completed (if specified)
P/F
Backfill material and compaction compliant
Underground marker tape installed

Ready to use this template?

Sign up for free, import this ITP template into your project, and start inspecting. Your first project is always free.

Get started free