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igem news

TECHNICAL STANDARDS
TECHNICAL Standards and updates from the IGEM Technical Services team
STANDARDS RECENTLY IGEM/UP/9
PUBLISHED Application of
natural gas and fuel
YOUR QUESTIONS ANSWERED IGEM/GM/4 oil systems to gas
Flowmetering
turbines
practices (>38bar and
DRAFTS AFTER COMMENT
<100bar)
OUR IGEM EXPERTS ANSWER YOUR COMMON TECHNICAL QUESTIONS IGEM/GM/PRS/50 IGEM/UP/6
Application of
Meter serial
numbering compressors to
natural gas fuel
IGEM/UP/16 systems
Design for natural
gas installations IGEM/UP/21 Liquefied
on industrial and natural gas fuelling
commercial premises stations
with respect to DSEAR
IGEM/TD/4 PE and
IGEM/TD/16 steel gas services and
Biomethane injection service pipework
DRAFTS FOR COMMENT IGEM/TD/12 Pipework
stress analysis for gas
IGEM/G/8 Handling, industry plant
transport and storage
of PE pipe and fittings IGEM/TD/13
Pressure regulating
IGEM/GL/10 Gas installations
quality specification
for conveyance of IGEM/G/5 Gas in
Group H gases of the multi-occupancy
second gas family buildings
IGEM/GL/1 Planning IGEM/GM/6 Non-
of distribution systems domestic meter
of MOP not exceeding installations –
16bar standard designs
IGEM/IG/1 Standards
of training in gas work
GET INVOLVED IN

IGEM’S STANDARDS

WE TAKE great pride in our standards
and are always on the lookout for new
panel members. If you are working in
the industry and believe you can make
a contribution to the review process,
please contact the Technical Services
team by emailing technical@igem.org.uk
or calling +(0)1509 678179.

Q: CAN I USE A FLY SCREEN ON BOILER installation and maintenance of gas-fired
ROOM VENTILATION GRILLES? hot water boilers of rated inputs between
A: There are several requirements in 70kW (net) and 1.8MW (net) advises
IGEM/UP/10 Edition 4 Installation of that: “The apertures of an air opening
flued gas appliances in industrial and should allow entry of a 5mm diameter
commercial premises to ensure that ball. No gauze or fly screen (i.e., mesh
the design of air intakes prevents the having apertures of less than 5mm)
ingress of rain, snow, leaves, debris, etc. should be incorporated or subsequently
However, it is imperative to ensure that fitted to an air vent. Such practices
the design of whatever means is used to might compromise the free-area. For
meet this requirement does not impede a balanced compartment installation,
the flow of air and consequently hinder specialist advice should be sought from
the adequate ventilation of the boiler the system manufacturer.”
room, as this could lead to a hazardous Competent engineering judgement to
situation. assess potential risks is always required
BS 6644 Specification for the for all gas installations to ensure safety.

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