### As with any infrastructure, indoor water networks must be maintained, optimized, and renewed to maintain usage and water quality at all supply units.

### Thanks to its experience, extensive references, certifications and qualifications, OFIS is currently the leading expert in optimizing water system management in buildings.



 

 

 



#### [Legionella risk control](<#Legionella risk control>)

(Legionella audit, hot water network balancing, sampling strategy, crisis management...)



 

 

 

 

 

 



 

#### [Compliance and performance](<#Compliance and performance>)

(hazardous substances discharged into water diagnosis, chloramine diagnosis, water network compliance...)



 

 

 

 

 

 



 

#### [Managing system assets](<#Managing system assets>)

(water savings, corrosion diagnosis, lead-in-water diagnosis, mapping...)



 

 

 

 

 

 



 

#### [Drafting reference manuals](<#Drafting reference manuals>)

(guidelines, procedures, logbook...)



 

 

 

 

 

 



 

#### [Improving skills](<#Improving skills>)



 

 

 

 

 

 



 

 

 





## Our references



 

 

 



#### <a name="Legionella risk control">Legionella risk control</a>



 

 

 



 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/10/sgg.jpg.webp?itok=f4XKRr2j)   



 ](/en/partage-et-vie-foundation "Water network audit and monitoring") 

 Water Expertise 

 [Water network audit and monitoring](/en/partage-et-vie-foundation "Water network audit and monitoring") 

 Partage et Vie Foundation  
 (Nursing homes) 

 

 

    

 

 

 

 

 

 [Discover](/en/partage-et-vie-foundation "Discover") 





 

 



 

  

 [](/en/accor-group) 

 

 

    

 

 

 

 

 

 [Read more](/en/accor-group) 





 

 



 

 [   ![Tour du Midi (Belgique)](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/024V0102_0.jpg.webp?itok=M1by91CO)   



 ](/en/tour-du-midi-belgium "Defining a Legionella risk prevention plan") 

 Water Expertise 

 [Defining a Legionella risk prevention plan](/en/tour-du-midi-belgium "Defining a Legionella risk prevention plan") 

 Tour du Midi, Belgium  
 (Administrative buildings) 

 

 

    

 

 

 

 

 

 [Discover](/en/tour-du-midi-belgium "Discover") 





 

 



 

 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/Tempeau%20still.jpg.webp?itok=ukEGk3zP)   



 ](/en/adele-de-glaubitz-association "Continuous monitoring of water networks") 

 Water Expertise 

 [Continuous monitoring of water networks](/en/adele-de-glaubitz-association "Continuous monitoring of water networks") 

 Adèle de Glaubitz association  
 (Specialist care homes) 

 

 

    

 

 

 

 

 

 [Discover](/en/adele-de-glaubitz-association "Discover") 





 

 



 

 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/DSC04301.JPG.webp?itok=gV4Ujfsk)   



 ](/en/arcelormittal-south-africa "Cooling tower risk analysis") 

 Water Expertise 

 [Cooling tower risk analysis](/en/arcelormittal-south-africa "Cooling tower risk analysis") 

 ArcelorMittal, South Africa  
 (Industrial sites)  
 

 

 

    

 

 

 

 

 

 [Discover](/en/arcelormittal-south-africa "Discover") 





 

 



 

 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/chaumont%201.jpg.webp?itok=M-W9PzEN)   



 ](/en/ecole-de-gendarmerie-de-chaumont "Legionella risk prevention") 

 Water Expertise 

 [Legionella risk prevention](/en/ecole-de-gendarmerie-de-chaumont "Legionella risk prevention") 

 Ecole de Gendarmerie de Chaumont  
 (Accommodation blocks) 

 

 

    

 

 

 

 

 

 [Discover](/en/ecole-de-gendarmerie-de-chaumont "Discover") 





 

 



 

 

 





#### <a name="Compliance and performance">Compliance and performance</a>



 

 

 



 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/VEOLIA_NAPLES_2974.jpg.webp?itok=EQwlw3qi)   



 ](/en/hopital-europeen-marseille "Water network commissioning") 

 Water Expertise 

 [Water network commissioning](/en/hopital-europeen-marseille "Water network commissioning") 

 Hôpital Européen de Marseille  
 (Health facilities) 

 

 

    

 

 

 

 

 

 [Discover](/en/hopital-europeen-marseille "Discover") 





 

 



 

 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/FD9R9358.jpg.webp?itok=JT0hMkMR)   



 ](/en/delacommune-dumont "Water network compliance") 

 Water Expertise 

 [Water network compliance](/en/delacommune-dumont "Water network compliance") 

 Delacommune &amp; Dumont  
 (New buildings) 

 

 

    

 

 

 

 

 

 [Discover](/en/delacommune-dumont "Discover") 





 

 



 

 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/_SB_4483.jpg.webp?itok=4uq1U0Cz)   



 ](/en/local-authorities-rsde "Hazardous substances discharged into water (RSDE) diagnoses") 

 Water Expertise 

 [Hazardous substances discharged into water (RSDE) diagnoses](/en/local-authorities-rsde "Hazardous substances discharged into water (RSDE) diagnoses") 

 Local authorities  
 (Collective wastewater networks) 

 

 

    

 

 

 

 

 

 [Discover](/en/local-authorities-rsde "Discover") 





 

 



 

 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/medipole3zoom.jpg.webp?itok=_dkQJpAe)   



 ](/en/medipole-de-koutio-new-caledonia "Air and water system technical compliance with sanitary regulations") 

 Water Expertise 

 [Air and water system technical compliance with sanitary regulations](/en/medipole-de-koutio-new-caledonia "Air and water system technical compliance with sanitary regulations") 

 Médipôle de Koutio, New Caledonia  
 (Hospitals) 

 

 

    

 

 

 

 

 

 [Discover](/en/medipole-de-koutio-new-caledonia "Discover") 





 

 



 

 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/IMG_0352.JPG.webp?itok=gHYJOi_N)   



 ](/en/bordj-bou-arreridj-algeria "Public network efficiency") 

 Water Expertise 

 [Public network efficiency](/en/bordj-bou-arreridj-algeria "Public network efficiency") 

 Bordj Bou Arreridj, Algeria  
 (Drinking water supply networks) 

 

 

    

 

 

 

 

 

 [Discover](/en/bordj-bou-arreridj-algeria "Discover") 





 

 



 

 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/Aquarena%20Arras-28.jpg.webp?itok=DhxdDi5i)   



 ](/en/grand-auch-local-council "Pool diagnosis") 

 Water Expertise 

 [Pool diagnosis](/en/grand-auch-local-council "Pool diagnosis") 

 Grand Auch local council  
 (Municipal swimming pool) 

 

 

    

 

 

 

 

 

 [Discover](/en/grand-auch-local-council "Discover") 





 

 



 

 

 





#### <a id="Managing system assets" name="Managing system assets">Managing system assets</a>



 

 

 



 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/008642.jpg.webp?itok=EcZ9WcpH)   



 ](/en/trento-hospital-italy "Water savings diagnosis") 

 Water Expertise 

 [Water savings diagnosis](/en/trento-hospital-italy "Water savings diagnosis") 

 Trento hospital, Italy  
 (Health facility)  
 

 

 

    

 

 

 

 

 

 [Discover](/en/trento-hospital-italy "Discover") 





 

 



 

 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/Ecoconseiller%20%20Kit%20economie%20d%20eau%2001.jpg.webp?itok=i2w3NyGs)   



 ](/en/association-des-bailleurs-du-mantois "Water savings diagnosis") 

 Water Expertise 

 [Water savings diagnosis](/en/association-des-bailleurs-du-mantois "Water savings diagnosis") 

 Association des Bailleurs du Mantois  
 (Social housing districts) 

 

 

    

 

 

 

 

 

 [Discover](/en/association-des-bailleurs-du-mantois "Discover") 





 

 



 

 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/IMG_6093.JPG.webp?itok=Qsbs2vJ7)   



 ](/en/veolia-eau-france-toulon "Loss of thickness diagnosis") 

 Water Expertise 

 [Loss of thickness diagnosis](/en/veolia-eau-france-toulon "Loss of thickness diagnosis") 

 Veolia Eau France  
 (Drinking water supply networks) 

 

 

    

 

 

 

 

 

 [Discover](/en/veolia-eau-france-toulon "Discover") 





 

 



 

 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/LUZ_VERRE002.JPG.webp?itok=QxNcP_HX)   



 ](/en/efidis "Lead-in-water diagnosis") 

 Water Expertise 

 [Lead-in-water diagnosis](/en/efidis "Lead-in-water diagnosis") 

 Efidis  
 (Housing) 

 

 

    

 

 

 

 

 

 [Discover](/en/efidis "Discover") 





 

 



 

 

 





#### <a id="Drafting reference manuals" name="Drafting reference manuals">Drafting reference manuals</a>



 

 

 



 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/Raw%20water%20carbon%20steel.JPG.webp?itok=EjykbRIM)   



 ](/en/british-petroleum-sultanate-oman "Corrosion prevention guidelines") 

 Water Expertise 

 [Corrosion prevention guidelines](/en/british-petroleum-sultanate-oman "Corrosion prevention guidelines") 

 British Petroleum (Sultanate of Oman)  
 (Industrial sites) 

 

 

    

 

 

 

 

 

 [Discover](/en/british-petroleum-sultanate-oman "Discover") 





 

 



 

 

 





#### <a id="Improving skills" name="Improving skills">Improving skills</a>



 

 

 



 [   ![](/sites/g/files/dvc3506/files/styles/content_push_teaser/public/image/2019/11/Seen%20150%20dpi.png.webp?itok=C6rk__g7)   



 ](/en/societe-dexploitation-des-eaux-du-niger-seen-niger-water-operator "Water quality monitoring") 

 Water Expertise 

 [Water quality monitoring](/en/societe-dexploitation-des-eaux-du-niger-seen-niger-water-operator "Water quality monitoring") 

 Société d’exploitation des eaux du Niger (SEEN) - Niger water operator  
 (Drinking water supply networks) 

 

 

    

 

 

 

 

 

 [Discover](/en/societe-dexploitation-des-eaux-du-niger-seen-niger-water-operator "Discover") 





 

 



 

 

 





### We meet your needs.

[Contact Us](/en/contact-us-0)