Trident Service

Environmental services for the public and private sectors.


Organized according to sectors of expertise:

ADEME (French Environment and Energy Management Agency )

  • Project: Analysis of various legal frameworksthat can be used during a renovation project of a sorting centre of household waste selective collection.
  • Date: November 2010.
  • Contact: Mr. Sylvain PASQUIER, +33 (0)2 41 91 40 46.


  • Project: State of the art on household waste selective collection. Focus on papers sorting. Technical and operational aspects, with order of magnitudes of costs. Trends and developments in the coming years.
  • Date: August 2010.
  • Contact: Mr. Jean Francois ROBERT, +33 (0)1 53 32 86 61.


  • Project: Baling aluminum packaging on the sorting centre of household waste collection . Explosions and fire starts due to aerosols. Economic evaluation of technical solutions advocated by INERIS.
  • Date: March 2010.
  • Contact: Mr. Eric FROMONT, +33 (0)5 61 19 07 50.

COMET Traitements, Chatelet (Belgium)

  • Project: The treatment of grinding residual in France: the regulation, the regulatory changes expected, analysis of the current practices of elimination of the grinding residual, list of the sanitary landfill sites in France.
  • Date: August 2008.
  • Contact: Mr. Stefan JOOSTEN, +32 49 79 74 263.

Company SHAMROCK, Auxerre (89)

  • Project: Design and construction of a waste recovery centre : - Waste sorting centre for waste selective collections (5 000 t/year) - Household waste sorting and transferring centre (7 000 t/year) - Waste reception centre for business - Metals retailing Technical draft, presentation to the DRIRE.
  • Date: July 2009.
  • Contact: Mr. Bernard DELSAHUT, +33 (0)3 86 46 95 75.

SICTRM de la vallée du Loing (77) / BBJ

  • Project: Drafting of the file of classified facilities for the protection of the environment for a civic amenity site and the garage of the household waste collection activity of the municipality.
  • Date: July 2007.
  • Contact: Mr. Marc JULIENNE, +33 (0)4 71 46 30 24.

Veolia Environnement

Subcontracted through SOGREAH.

  • Project: Waste management project for the town of Sharjah, United Arab Emirates. Deliverables included a comprehensive study of targeted waste, defintion of ways and means, and a study of payment mechanisms in relation to the waste management contract signed between the town of Sharjah and Veolia Environnement.
  • Date: March 2007.
  • Contact: Mr. Pierre Galzin, Director of Projects, +33 (0)4 76 33 41 81.

SIGIDURS. Syndicat mixte pour la gestion et l’incinération des déchets urbains de la région de Sarcelles (95).

  • Project: Expert consulting on project management for the construction of two waste reception centres.
  • Date: March 2007.
  • Contact: Véronique Charbeaux, Head of Technical Services, +33 (0)1 34 19 69 70.

SIRDOM Dinard (35). Syndicat Intercommunal de la Région de Dinard des Ordures Ménagères.

  • Project: Project management assistance for facility modernisation and improvement of safety measures. The project covered a waste reception centre, a green waste facility, and a waste transfer hub. In addition, a new centre for composting was developed.
  • Date: February 2007.
  • Contact: Mrs. Cecil Girard, Director, +33 (0)2 99 46 11 84.

European Union

Subcontracted through SOGREAH.

  • Project: Master plan for waste disposal in the Province of Adjara, Georgia. Execution included the shutting down of two landfills and redevelopment of the terrain. In compliance with European standards, a new landfill was built for waste collection, selective sorting, and recycling within a regulatory framework of environmental protection.
  • Date: October 2006.
  • Contact: Mr Dominique Combe, Assistant General Manager, +33 (0)4 76 33 40 60.

Muquet–Barthélemy Woodworks, Nanterre (92)

  • Project: Regulatory audit and waste audit of the workshop followed by the drafting of an exclusive evaluation document on professional risks.
  • Date: April 2006.
  • Contact: Mr. Muquet, Director, +33 (0)1 47 24 26 19.