Tightness Testing and Purging - TTP1 New 5th Edition (TC)

TTP1 Pocket Guide

Stay fully compliant with the latest industry standards using the 5th Edition of our Tightness Testing and Purging Pocket Guide (TTP1). This essential guide for every licenced operative on the Gas Safe Register, trainers and assessors has been comprehensively updated to IGEM/UP/1B Edition 4.

This reference guide documents in detail the practical procedures and theoretical requirements required for tightness testing and direct purging on small natural gas installations such as those found in domestic and smaller commercial premises.

Key Features & Whats New

Fully updated to IGEM/UP/1B Edition 4 for natural gas installations

Features all updated safety requirements including:

permissible pressure drops related to installation volume on existing installations;

methods for determining gas pipework has no perceptible leakage; all purging volumes becoming related to installation volume rather than meter designation.

Step-by-Step Clear Guidance: Provides structured instructions covering all stages of tightness testing and direct purging of natural gas installations including worked calculations.

Practical Visuals & Diagrams: Packed with diagrams and flowcharts to simplify procedures on-site.

Compact & Durable Format: Designed specifically for easy use but built to withstand daily wear use.

ACS Assessment Preparation: Ideal refresher training material for existing gas operatives undertaking ACS Assessments or new entrants to the gas industry on Managed Learning Programmes (MLPs), Apprenticeships or studying Gas & Plumbing Qualifications.

What The Pocket Guide Covers

Scope & Introduction

Advice to Gas Users Who May Smell Gas

Tightness Testing Procedures for Small Natural Gas Installations:

Fluid and electronic pressure gauge usage.

Permissible pressure drops for new and existing installations

Calculating installation volumes

Safety precautions prior to working on gas installations

Tightness testing procedures for new and existing gas installations

Tracing & Repairing Gas Escapes

Purging Procedures for Small Natural Gas Installations

Calculating the necessary purge volume of an installation

Direct purging procedures including the differences when the installation volume is below and above 0.02 m3

Re-lighting Appliances

Visual Risk Assessment of Gas Appliances

The CORGI Direct Forms to Use (CP32)

Technical Specifications