Inspecting and testing the build

The developer is required to ensure the below inspections and testing by an authorised representative of Lincolnshire County Council at the correct time in accordance with the Section 38 Agreement. 

Responsibility for the works, and ensuring supervision and delivery in accordance with the specification and approved design lies with the developer. 

The developer should provide a minimum of 5 working days’ notice to provide facility to carry out the inspections and tests detailed in each of the following key stages. Random additional bulk sample testing may also be carried out. 

Should the developer fail to notify or allow facility for the key stage inspection, the retrospective testing details must be provided. In this instance only tests carried out by a UKAS accredited laboratory will be acceptable. 

Traditional drainage checksEvidenceFrequency

Verification of pipe material

Ticket

All sources

Verification of precast concrete units

Ticket

All sources

Verification of surface water covers & frames

Ticket

All sources

Verification of bedding material

Ticket

All sources

Verification of backing material

Ticket

All sources

Inspection of pipe bedding

Visual

All lengths

Inspection of line and level of laid pipes

Visual

All lengths

Inspection of backfill (Type 1/Type 3) and compaction

Visual

All lengths

Verification of protection method of any pipework.

Visual

All lengths

Check dimensions of any highway drain

Visual

All lengths

Air tests on pipelines

Testing

Each length between chambers

CCTV survey by certified company of all highway drain pipes including gully laterals

Report

All lengths