The ViperGas.co.uk Mobile Edition provides subscribers with access to all Technical Manuals on their supported mobile device, including Apple iPhone 3G, iPod Touch and Windows Mobile.

A comprehensive search engine is included, indexing over 64,000 keywords to help users find information quickly and a Quick Reference Guide is also available to store and manage the most frequently used information.

Users of the Mobile Edition will be able to view every diagram, table and form from every Technical Manual, as well as view the 6th Edition of the Gas Industry Unsafe Situations document.

For a detailed overview of the Mobile Edition, please take the tour...

When accessing the mobile edition for the first time, users are presented with the ViperGas Quick Reference Guide which contains the following categories and sections from across the entire range of Technical Manuals, handpicked by our technical writers:

Checking and Setting Burner Pressures & Gas Rates

• Checking Gas Rates and Heat Inputs (m3)
• Checking Gas Rates and Heat Inputs (cubic feet)

Combustion

• Flammability Limits
• Introduction to Combustion Flue Gas Analysers
• Reported Fumes
• Carbon Monoxide (CO) Poisoning and Subsequent Investigation
• The Effects of Carbon Dioxide CO2
• Report of a Smell of Gas or Fumes
• British Standard 7967
• Suspected Carbon Monoxide Discharge
• Carrying Out Carbon Monoxide (CO) Readings in a Room in Accordance with BS 7967
• Introduction to CO/CO2 Ratios
• Pre-Combustion Performance Checklist
• Sampling Point & Probe Type
• Sampling Position A
• Sampling Position B
• Sampling Position C
• Sampling Position D
• Sampling Position E
• Sampling Position F
• Sampling Position G - H Cooker Grills
• Determining the Outcome from the Measured Values

Gas Controls

• Testing Flame Supervision Devices
• Vitiation Sensing Device
• Burners
• Thermostats
• Flame Supervision Device
• Fan Draught Flue System

Installation of Pipework

• Corrugated Stainless Steel PipeWork (K10)
• Supporting Pipework
• Pipes Laid in Concrete Floors
• Exterior Pipework
• Pipework in Fireplace Voids
• New Buildings
• Pipe Sleeving (K17, 18 & 19)
• Surface Run Pipework
• Buried Pipework (Internal and External (K21)
• Uncompleted
• Suspended Floors (K23)
• Concealed Fire Place Gas Points
• Meter Outlet Connections
• Other Service Pipes
• Ducts and Fire Stopping (K24)
• Running Gas Supplies in Timber Framed and Dry Lined Walls (K25)

Low Pressure Meter Installations

• Meter Terminology
• The Gas Safety (Installation and Use) Regulations 1998
• Determining The Correct Meter Rating (Size)
• General Siting Requirements for Gas Meters
• Specific Meter Siting Requirements - Pre-Installation Checks
• Accepted Suitable Locations
• External Meter Installations
• Meter Compartments
• Internal Meter Installations
• New Meter Installations With Two or More Floors Above Ground Floor Level
• What Criteria to use when Installing New or Replacement Meters
• General Installation Points Relating to Prepayment Meter Types
• General Installation Points Relating to Credit Meter Installations
• General Installation Points All Primary Meters Pre-Installation - Emergency Notice
• Meter Installation - Capped Outlet
• Meter Installations - Outlet to Be Connected
• Meter / Emergency Controls
• Emergency Notice - Greater Distance Between the Meter and the Meter/Emergency Control than 2M
• Securing Meters

Open Flues

• Open Flue
• Flue Size (Cross Sectional Area)
• Flue Route
• Angles of Bends
• Open Flue Terminal Positions (E12 &13)
• Ratios are Worse than 0.008
• Wall Adjacent Terminals (E14)
• Boilers - CO/CO2 Trigger Values
• Terminations Likely to be Suitable (E16, 17, 18, 19, 20)
• Terminal Protection Against Birds and Other Potential Blockages (E15)
• Gas Controls - Introduction

Re-Establish Gas Supplies

• Purging
• Purging Method IGE/UP1B
• Suggested Purge Procedure Purge Volume Less than 0.02M3
• Purging U16 Meters
• Calculating the Purge Volume
• Meter Volume
• Suggested Purge Procedure Purge Volume Exceeds 0.02M3
• Re-Lighting Appliances
• Total Pipework Volume Chart

Room Sealed Flues

• Fanned Balanced Flue
• Termination
• Car Ports
• Terminal Guards (E40)
• Terminal Positions and Boundaries
• Siting Flue Terminals Near Boundaries (E42)
• Shared Room Sealed Flues (E43)
• 'Vertex' Flue (E44)
• Balanced Compartment (E45)
• Condensing Boiler Flues (E46)

Tightness Testing

• Introduction
• Standing Pressure
• Working Pressure
• Appliance Burner Pressure
• Introduction to IGE/UP/IB
• Test Equipment
• Suitability of Using IGE/UP/IB for Tightness Testing
• Estimating The Internal Istallation Volume for the Application of the Correct Procedure for Tightness Testing
• Tightness Testing A Low Pressure Installation Procedure including Removing the Test Equipment
• Medium Pressure Installations
• Tightness Testing a New or Existing Medium Pressure Installation, with a Valve Installed Between the Outlet of the Regulator and Inlet of Meter
• Tightness Testing a New or Existing Medium Pressure Installation where no Inlet Valve is Installed between the Outlet of the Regulator and Inlet of Meter Tightness Criteria
• Tightness Criteria
• Action if Installation is not Gas Tight
• The E6 Electronic Meter
• Tightness Testing and Installation Supplied Through an E6 Meter
• Installation Includes Emergency Control But No Meter

Ventilation Up To 70kW

• Adventitious Ventilation
• Other Fuel Burning Appliances
• Notes on Existing Ventilators
• Method of Provision of Air Supply
• Flueless Appliances
• Multi-Appliance Ventilation
• Compartment Air Vent Requirements
• Ventilation Wizard - Open Flued Appliances
• Ventilation Wizard - Open Flued Appliances in a Compartment Air Direct from Outside Permanent Dwellings
• Ventilation Wizard - Open Flued Appliances in a Compartment Air From a Room into a Compartment
• Ventilation Wizard - Room Sealed Appliances in a Compartment Air Direct from Outside
• Ventilation Wizard - Room Sealed Appliances in a Compartment Air from a Room
• Sizing Existing Air Vents