TECHNICAL FIELD

Supervision of building site.
- Application of the schedule of conditions of execution.
- Coordination of the speakers technical and scientific.
- Regulation of the access on site.
- Control of the compliance with the code of practice for the various operations.
- Application of the safety regulations, hygiene and environment on the building site.
- Follow-up of the advance of the building site and realization of the daily report/ratio.
- Approval and signature of the sheets of attachments of the companies intervening on site.
- Report/ratio of end of building site.

      

Dynamic compaction & ballastés Studs
- Calculation of the parameters of work,
- Study of the influence of the compaction on the ground with the right of the studs and on the neighbouring zones.
- Definition of the grid and the methodology of work.
- Control by in situ test (pressure gauge, test of loading…) work completed in phase and the end of the work.

      

Ballastées columns
- Follow-up of building site.
- Implatation of the columns.
- Quality control of work.

      

Vertical drains.
- Follow-up of building site.
- Drain Installation of.
- Control of the compliance with the rule of the art of execution.
- Quality assurance. Reporting, Card of nonconformity.

      

Vaccum
- Control of the various production runs d' in the compliance with the rule of art, of safety, hygiene and environment.
Tight vertical Paroie.
Vertical and horizonteaux drains.
Pose membrane and welding.
Connection of the horizonteaux drains.
Installation of the pumps.
Checking of the sealing of the unit.
Pose embankment of overload.
Control compressings.

    

Jet grouting
- Follow-up of the installation of the installations.
- Respect of the safety regulations, hygiene and environment.
- Control of the good realization of the Jet grouting.

      

Study of ground.
- Pressure measuring Surveys.
- Pressure measuring Test simple and cyclic Ménard. In situ examination in order to check the validity of the test.
- Cored Surveys. Coring bit doubles T6 and T6 S, crowns carburizes and diamond. Intact samplings.
- Destructive Surveys. Recording of the parameters of drillings. roto-percussion, drills helicoid, downhole hammer.
- Petrographic and mineralogical Recognition.
- Dynamic Penetrometers and statics.
- Installation of piezometers and inclinometers.

      

Drillings 
- Drillings desctructif.
- Downhole hammer 4 and 5 inches in granitic and sedimentary ground. System odex in alluvial ground.
- Radiocarottages, measurement of resistivity and radioactivity. Interpolation of the results. 
- Micropieux.
- Ties.
- Water Drillings

      

Others
- Establishments and levelling.
- Creation of Autocad plan.
- Geological Statements.
- Analyses of the air photographs.
- Tests of loading.
- Preparation of the material for transport by helicopter.
 

MANAGEMENT FIELD

Organization and followed building sites.
- Installation of the building site (catonnement, traffic organization…)

Creation of a branch of industry study of ground,
- The Council on the choice of the material to be invested.

HUMAN RESOURCES FIELD

Training of personnel: Studies field of grounds.

- Pressure measuring Surveys in roto percussion (downhole hammer and hole), rotation without fluid (drill), rotation with fluid (edge, nipple, tri-cone, blades)…
- pressure gauges, explanation of the standard, in situ examination of the test carried out in order to check its validity (tracing of the curve…)
- Destructive Surveys with or without recording of the parameters of drilling.
- Training with the recognition of the cuttings, different small in situ test to determine the nature of materials.

Framing

- Building site of geotechnics.
- Public Working premises special foundation
- Temporary Staff management of building site.
- Organization of the working time.

Person in charge HSE (Hygiene, Safety and Environment)