Technical - Utilization Series Standards

• IGE/UP/1 - Strength/tightness testing and direct purging

  • applies to strength testing and/or tightness testing pipework (up to 16 Bar containing either a 1^st, 2^nd and 3^rd family Gas) of any diameter in the following circumstances:
    • new pipework
    • alteration to, replacement of, re-use of, or uprating (for example increasing OP) existing pipework
    • new extensions to existing pipework
    • prior to any work on existing pipework
    • where there is a known or suspected gas leak in pipework
    • where there has been a complete loss of pressure for any reason.

  View the full Introduction and Scope in the Shop. 

   

  

• IGE/UP/1A - Strength/tightness testing and direct purging (Small I&C)

  • deals with the special case of strength and tightness testing and direct purging of installations of volume not exceeding 1 m³ and operating pressure (OP) of not exceeding 40 mbar on industrial and commercial premises, and using Natural Gas (NG), within its scope.

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• IGE/UP/1B - Tightness testing and direct purging (Domestic)

  • deals with tightness testing and purging of NG installations of volume not exceeding 0.035 m³,capacity not exceeding 16 m^3/h¹ 1, diameter not exceeding 35 mm, OP not exceeding 21 mbar and supply MOP not exceeding 2 bar.

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• IGEM/UP/1C - Strength/tightness testing and direct purging (Meters)

  • deals with strength testing, tightness testing and direct purging of meter installations (as defined in IGEM/G/1), containing either Natural Gas (NG) or liquefied petroleum gas (LPG), of volume not exceeding 1 m³ and MOP not exceeding 7 bar.

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• IGEM/UP/2 - Installation pipework

  • covers installation arrangements made in accordance with IGEM/G/1
  • for MOP not exceeding 5 bar. For MOP exceeding 0.5 bar on industrial premises, any additional/more-stringent requirements in BS EN 15001 may have to be applied
  • a selection of materials
  • compressors, boosters and pre-mix machines, but now with an upper limit on discharge pressure of 0.5 bar,
  • weep by-pass pressure-proving systems, formerly contained in BG IM/20
  • pipework downstream of a plant isolation valve but not pipework that would normally be defined as "appliance pipework" i.e. as pre-installed in the appliance by its manufacturer.

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• IGE/UP/3 - Gas fuelled spark ignition and dual fuel engines

  • gives guidance on the installation of gas fuelled spark ignition and dual-fuel engines. They have been compiled taking into account international standards and the experience gained during many years of operation and testing of engines in the United Kingdom (UK)
  • applies to spark ignition and compression ignition engines of both the reciprocating and rotary type, either stationary or portable, for both continuous and standby duties
  • applies to gas pipework and control systems downstream of, and including, the engine manual isolation valve, at an upstream MOP > 0.5 bar (IGEM/UP/2 covers installations of MOP ≤ 0.5 bar).

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• IGEM/UP/4 - Commissioning of gas fired plant

  • for commissioning new and or existing gas fired plant and ancillary equipment designed for use with 1^st, 2^nd or 3^rd family gases then this document provides excellent guidance
  • where existing plant has been refitted, refurbished, modified, repaired or serviced and in any circumstances where the service condition is in doubt this provides essential advice and guidance for commissioning engineers.

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• IGEM/UP/6 - Application of compressors

  • covers the application of positive displacement reciprocating compressors; screw compressors; slide vane compressors and centrifugal compressors to Natural Gas installation pipework systems
  • Positive displacement compressors installed on industrial and commercial premises, within the stated scope for pressure, volume and power input, are covered, as are the positive displacement compressors utilized in Natural Gas vehicle filling stations, where the shaft power input, normally, is in the range 10 to 100 kW.
  • covers the installation and operation of positive displacement reciprocating compressors; screw compressors; slide vane compressors and centrifugal compressors, with outlet pressures in the range exceeding 0.5 bar but not exceeding 400 bar and a shaft power input exceeding 10 kW
  • applies only to gas compressors that are installed downstream of a primary meter installation.

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• IGE/UP/7 Edition 2 - Gas in timber and light steel framed buildings

  • offers guidance on fixed gas installations within timber and light steel framed buildings and are directed at architects, designers, builders, building control, gas transporters (GTs), utility infrastructure provides (UIPs), gas operatives and appliance and component manufacturers
  • provides information on good practice for gas installations in timber and light steel framed buildings with explanatory reference to the special features of construction that affect such installations.
  • installation of Network pipelines, meter installations, installation pipes and pipework and appliances including their open flue chimney or room sealed chimney system, in new and existing timber and light steel framed buildings containing single or multiple dwellings.

  View the full Standard for free on the IGEM Website or alternatively Hard copies can be purchased from our Shop.

• IGE/UP/9 – Gas turbines and supplementary and auxiliary fired burners

  • coves the application of Natural Gas (NG) and fuel oil systems for firing gas turbines and their interactions with gas and oil firing for supplementary and auxiliary fired burners
  • intends to provide basic guidelines, highlighting the essential features necessary to ensure the safe and reliable use of gas turbines using NG or fuel oil as the principal, or as an alternative or participant, fuel. The very wide range of burner types and configurations employed on different designs necessarily dictates that no single specification can be prepared to cover the details of how this Standard may be satisfied in all cases. Therefore, the aim is to establish the principal features of relevance to the safety of all installations, to deal in some detail with the techniques most commonly found in practice and, in so doing, to draw the reader's attention to the type of problem areas which may be encountered. In very many cases, the engineer involved will need to examine closely the individual installations with which they are concerned in order to ensure that safety, to an equal or better standard than that outlined, is provided. The details of how this is done are too varied to be specified rigidly and are, in many cases, subject to continuous revision by manufacturers in this very rapidly expanding field of technology. In addition to these Procedures, it is necessary to refer to the manufacturer's instructions
  • applies to both single and multi-shaft turbine types
  • applies to both single and multiple burner types
  • applies to turbines exhausting to heat recovery equipment, with or without supplementary and/or auxiliary fired burners, which may or may not have air supplies other than the engine exhaust. Those having independent air supplies are also considered as auxiliary fired.

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• IGE/UP/10 - Installation of flued appliances

  • provides requirements if you design, install or maintain flued gas appliances in industrial or commercial premises
  • it includes equipment fired by 1st, 2nd and 3rd family gases and applies to individual or groups of appliances installed in a single space
  • The range of appliances included is:
    • hot water boilers of net input exceeding 70kW
    • steam boilers
    • storage water heaters of net input exceeding 70kW
    • thermal fluid heaters
    • warm air heaters of net input exceeding 54kW
    • radiant heaters.

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• IGEM/UP/11 - Educational establishments

  • provides requirements for those concerned with the design, installation, operation and maintenance of gas pipework, systems and appliances in educational establishments, including schools; colleges; universities and training facilities. It brings together:
    • guidance, interpretation and clarification of legislation, Standards and codes of Practice (CoPs) indicating the degree to which compliance is required, including those items that are applicable, and
    • current best practice and design in the installation and use of Natural Gas (NG) and liquefied petroleum gas (LPG) installations.
  • sets down the minimum requirements for safety in educational establishments, for architects, designers, science health and safety advisers, teaching and technical staff, in the operation of their systems and equipment. It is recognised that a risk assessment in some educational establishments may indicate a need for additional features such as larger valve handles, more easily accessible controls, signage in more than one language, in Braille, or lower levels of carbon dioxide (CO₂) within the teaching areas for specific health reasons. The responsibility for such measures lies with competent persons having responsibility for the design of the installation.
  • covers the design, installation, operation and maintenance of gas pipework, systems and appliances used for teaching purposes in educational establishments, including schools; colleges; universities and training facilities.
  • covers piped gas supplied:
    • from gas distribution systems such as a NG distribution system or a LPG central bulk storage system
    • through independent LPG supplies i.e. either a cylinder or an individual bulk storage vessel.

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• IGE/UP/12 - Application of burners and controls

  • This Standard provides the minimum requirements for combustion systems in respect of safety in start-up, operation and shut-down of gas-fired process plant.
  • These Procedures apply to dual fuel and multi-fuel plant when operating on NG.

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• IGEM/UP/16 - Design for Natural Gas installations on industrial and commercial premises with respect to hazardous area classification and preparation of risk assessments

  • intends to provide basic design information to enable designers and those undertaking risk assessments to achieve a gas installation that can be classified and maintained as Zone 2 Negligible Extent (Zone 2 NE)
  • is primarily for designers of new industrial and commercial pipework systems, downstream of the primary gas meter installation
  • is useful for site occupiers who have the responsibility for compliance with DSEAR and for the production of site risk assessments for existing systems and new installations. Hazardous area assessment is normally a specialist activity requiring the application of IGEM/SR/25 Edition 2
  • covers new gas installation pipework, controls and associated gas appliances including appliance connections and pipework with an OP not exceeding 2 bar installed downstream of the primary meter installation in industrial and commercial premises
  • may also apply to parts of common pipework within multi-occupancy domestic premises; for example, between pipework risers downstream of the meter installation and also to the central boiler plant. For hazardous area analysis of installations outside the scope of the Standard, reference should be made to IGEM/SR/25 Edition 2.

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• IGEM/UP/17 - Shared chimney and flue systems

  • summarises best practice in the use and maintenance of new and existing "shared flues" systems i.e. shunt duct, Se-duct, U-duct systems, and fabricated shared chimney/flue systems (communal flue systems (CFSs))
  • intends to make designers, installers, maintenance personnel and landlords aware of the safety issues surrounding the use of shared flue systems
  • does not cover the installation of new shared flue systems as this is given in BS 5440-1. Once such systems are in place, it is applicable when replacement appliances and also to their subsequent use, maintenance and de-commissioning
  • assists in the identification of shared flue/chimney systems, replacement of appliances on such systems and any maintenance/decommissioning work required.

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