CONTAINMENT BUNDS, FIRE PROTECTION SOLUTIONS AND FILTRATION SYSTEMS

FOR ELECTRICAL TRANSFORMERS

V

www.calivesta.fr www.akhelec.com

Groupe

International

www.gmtinternational.fr

NEW !

Fire suppressing system for transformer pits - MX® product line

Advantages• Outdoor or indoor use• Custom built• Highly resistant geomembrane• Easy installation• Low and easy maintenance• Holding capacity: on demand.• Available in 2 versions:- BST, for transformers not containing PCBs- BSTP, for transformers containing PCBs

Temporary storage of large and medium-sized oil-filled transformers

Advantages• Full dielectric fluid containment capacity as per

standard NF C 13 200• Permanent replacement of formerly used pebble beds• Pit renovation or new installations • Rapid fire extinction without risk of re-ignition• ERDF Authorization No. 12E134/ADr

For pits located underneath high-voltage transformers (63 to 400 kV)

Pebble removal Pit preparation Fixing of frames Installation of fire baffles

Installation of grating

Temporary storage bunds – BST / BSTP product line

Galvanised grating covering the baffles to facilitate personnel access

Custom-built turnkey solutions and services, from site layout and surveying to on-site installation: Please contact us for details

MX® fire baffles and frames

Containment bunds with fire suppressing system BAF / BAFX product line

For transformers rated from 100 kVA to 4 MVA (BAF version), 300 and 1000A coil neutral, capacitors, impedance matching transformers, auxiliary transformer, frequency injection transformers, and high-voltage transformers rated above 4 MVA (BAFX version)

Hydrocarbon filtration systems - FILTRELEC® product line

3 versions• Flowrates up to 5 liters/min• Flowrates up to 15 liters/min• Flowrates up to 100 liters/min

Advantages• Large filtration capacity• Small footprint• Oleophilic hydrophobic polymer ensuring

permanent capture of hydrocarbons

Hydrocarbon filtration from contaminated rainwater

3 functions• Continuous rainwater drainage• Hydrocarbon separation: ensures a hydrocarbon

concentration of less than 5 ppm in filtered water• Seals instantly in case of sudden hydrocarbon lea

Advantages• Full dielectric fluid containment

capacity as per standard NF C 13 200• Complete system: Containment bund,

fire suppressing system and optional hydrocarbon filtration system

• Easy installation• Standard or custom dimensions• Hot galvanised steel plate for greater

durability

One-piece version (BAF) or modular version for large volumes of dielectric fluid (BAFX)

Installation on concrete plinth or stabilised ground

For indoor or outdoor use, with optional safety siphon and FILTRELEC® filtration system for continuous rainwater drainage

MX® fire suppressing system: allows dielectric fluid to flow rapidly into the bund and ensures natural flame extinction

BAF bund BAFX bund (3 BAF bunds)

Hydrocarbon concentration in filtered water

< 5 ppm

NEW !

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Fire and blast-resistant walls - WALLCAIN® product line

© Promat / Durasteel

• Fire resistant for up to 6 hours• Ideal for preventing chain explosions of

transformers and other potentially dangerous electrical equipment

• Prevents fire, heat and smoke propagation• Ensures physical separation between outdoor

and indoor equipment, protection of existing structures, etc.

• Small footprint, with wall thickness as low as 89.5 mm

• Complete service: design, implementation and installation

• Available with cable ducts and penetrations

Firewalls, partitions and panels

CALIVESTA, a subsidiary of GMT, provides turnkey solutions that ensure the safety of electrical transformers: civil works, installation, maintenance, etc.

Installation of concrete plinths• Masonry pits• Offset pits• Masonry grids

Remediation of pits underneath transformers • Removal of pebbles• Leaktightness remediation• Pit bottoms• Wall penetrations and ducts to rainwater system• Inspection holes for filtration and siphons

Earthwork and site development for substations• Rainwater drainage system• Concrete enclosures• Type A and B and reinforced trenches• HV/LV trenches• Sleeves• Concrete plinths

Your civil works specialist - CALIVESTA

Groupe

International

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GMT GROUPZI Courtine - 405, rue du Grand Gigognan - 84000 Avignon - France

Tel: +34 678 136 883 - +33 490 855 750E-mail: gmt@gmtinternational.fr - Web: www.gmtinternational.fr

AKHELEC SLPaseo de Ferrocarril N° 337 1° 4a - 08860 Castelldefels - ESPAÑA

GMT: SAS au capital de 152 000 EURSiret: 481 665 040 000 38 - APE: 2529Z - RCS AVIGNON