Scaffolding safety standards and TG20
TG20 is the NASC technical guidance document for tube and fitting scaffolding in the UK. It provides standards for scaffold design, erection and inspection, and is used by the Health and Safety Executive as a benchmark for scaffolding safety. All scaffolding erected by NASC members is expected to comply with TG20.
Scaffolding safety standards and TG20 usually becomes urgent when recurring symptoms begin affecting programme confidence, compliance, or delivery reliability.
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When you might need this
Teams usually investigate scaffolding safety standards and tg20 when early warning signs start affecting reliability, compliance, or project timelines. This is often the point where decision makers move from observation into scoped technical action.
Signs and common situations
The symptoms below are the most common triggers we see before diagnosis and repair planning.
- TG20 defines standards for scaffold design, loading, tie patterns and edge protection
- Scaffold structures that follow TG20 are considered compliant with current HSE guidance
- TG20 compliance is required by most main contractors and building control bodies
- A TG20 compliance declaration can be provided for standard configurations
- Non-standard structures require a bespoke design by a qualified scaffolding designer
What to expect from the work
We design all our scaffolding structures to TG20 where applicable. For non-standard structures, we commission a bespoke engineering design.
Think you might have scaffolding safety standards and tg20? A professional inspection will confirm the diagnosis.
How this gets resolved
We provide TG20 compliance declarations for standard configurations and engineering-designed drawings for complex structures. All work is documented and certified.
Cost and complexity factors
Cost and complexity usually depend on access constraints, total scope, existing condition, and whether related works need to be coordinated in the same programme window.
How we work through the job
We keep delivery structured so scope, sequencing, and sign-off remain clear.
Step 1: Initial assessment
What this step delivers: Root cause and scope are confirmed.
Step 2: Method planning
What this step delivers: Practical repair strategy is agreed.
Step 3: Delivery and verification
What this step delivers: Work is completed and validated.
How This Issue Is Normally Diagnosed and Repaired
Follow the typical path from problem identification through to resolution:
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Scaffolding safety standards and TG20 FAQ
- What are the key points about scaffolding safety standards and tg20?
- TG20 defines standards for scaffold design, loading, tie patterns and edge protection. Scaffold structures that follow TG20 are considered compliant with current HSE guidance. TG20 compliance is required by most main contractors and building control bodies.
- How do scaffolding contractors approach scaffolding safety standards and tg20?
- We design all our scaffolding structures to TG20 where applicable. For non-standard structures, we commission a bespoke engineering design....
- What is the recommended approach for scaffolding safety standards and tg20?
- We provide TG20 compliance declarations for standard configurations and engineering-designed drawings for complex structures. All work is documented and certified....
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