
Consulting engineer for the planning of extraction and processing plants in the sand, gravel and crushed stone industries as well as mining

Dipl.-Ing. Hans Gehrlein – Beratender Ingenieur
Insheim (Rhineland-Palatinate) · Cooperation partner KetschNew on Amplifa
About us
Dipl.-Ing. Hans Gehrlein is a consulting engineer based in Insheim (Rhineland-Palatinate) and a member of the Chamber of Engineers of Rhineland-Palatinate. The range of services includes the planning and implementation of sand and gravel processing plants, dredging equipment, premium split and ballast plants as well as plants for crushing and classifying hard rock. In addition, deposit explorations, extraction and permitting planning, the execution of plan approval procedures under water and mining law, and raw material securing through regional planning procedures are offered. Supplementary services include site and operational analyses, process concepts for graded sands and glass sands, upgrades of ready-mixed concrete batching plants, and expert reports on construction, execution and process defects. In close cooperation with cooperation partners, including H-J. Schütze – Process Engineering, services can be provided in almost all areas of the sand, gravel and crushed stone industries as well as mining, both nationally and internationally. Customers include, among others, Gebr. Deubig OHG, Karl Epple, Tarmac, Holcim, Cemex Deutschland and Anglo American.
- Site
- Insheim
- Processes
- Planning and implementation of sand and gravel processing plants, Planning and implementation of dredging equipment, Extraction and permitting planning (open-pit mining), Planning and execution of plan approval procedures under water and mining law, Deposit exploration (sand, gravel, natural stone), Planning and implementation of plants for the production of premium splits, Optimization of the extraction and processing regime in quarries, Planning and conversion of primary crushing plants
- Materials
- Sand, Gravel, Premium split, Dolomite stone, Hard rock, Natural stone, Heavy minerals, Sand and gravel
- Certificates
- Member of the Chamber of Engineers of Rhineland-Palatinate
- Industries
- Sand, gravel and crushed stone industries, Mining, Mineral processing plants, Cement/Construction materials
- 01
Deposit exploration
- 02
Raw material securing / regional planning and plan approval procedures
- 03
Extraction and permitting planning
- 04
Plant planning (processing, crushing, classifying)
- 05
Support of implementation with cooperation partners
- 06
Operational analyses, optimization and expert reports
Raw materials and services
Sand and gravel
Planning of processing plants, explorations and process concepts for graded sands and glass sands.
Premium split
Planning, implementation, modification and preparation of expert reports for premium split plants.
Dolomite stone and natural stone
Planning of primary crushing plants and ballast plants as well as deposit exploration of natural stone deposits.
Hard rock
Planning of plants for crushing and classifying hard rock.
Heavy minerals from river sediments
Planning and implementation of a plant for the extraction of heavy minerals (Anglo American, 2001–2007).
Ready-mixed concrete / dry mortar
Upgrading of ready-mixed concrete batching plants and preliminary planning of dry mortar plants.
Location

Insheim
DEOffice / engineering office
- Materials
- Sand, gravel, premium split, hard rock, dolomite stone, natural stone
- Engineering services planning and expert reports
Service areas




Inside the production


Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Planning and implementation of sand and gravel processing plantsEngineering | – | – | – | – | Sand, Gravel |
| Planning and implementation of dredging equipmentEngineering | – | – | – | – | – |
| Extraction and permitting planning (open-pit mining)Engineering | – | – | – | – | – |
| Planning and execution of plan approval procedures under water and mining lawEngineering | – | – | – | – | – |
| Deposit exploration (sand, gravel, natural stone)Engineering | – | – | – | – | Sand, Gravel, Natural stone |
| Planning and implementation of plants for the production of premium splitsEngineering | – | – | – | – | Premium split |
| Optimization of the extraction and processing regime in quarriesEngineering | – | – | – | – | – |
| Planning and conversion of primary crushing plantsEngineering | – | – | – | – | – |
| Planning and implementation of a plant for the extraction of heavy minerals from river sedimentsEngineering | – | – | – | – | Heavy minerals, River sediments |
| Site and operational analyses with determination of optimization potentialEngineering | – | – | – | – | – |
| Preparation of expert reports (construction, execution and process defects)Inspection | – | – | – | – | – |
| Planning of ballast plantsEngineering | – | – | – | – | Ballast, Dolomite stone |
| Development of process concepts for the production of graded sands and glass sandsEngineering | – | – | – | – | Sand, Glass sand |
| Upgrading of ready-mixed concrete batching plantsEngineering | – | – | – | – | – |
| Preliminary planning of dry mortar plantsEngineering | – | – | – | – | – |
| Planning of a plant for crushing and classifying hard rockEngineering | – | – | – | – | Hard rock |
| Raw material securing / regional planning procedures for securing gravel depositsEngineering | – | – | – | – | Gravel |
Additional services
Reference customers
Quality
As a consulting engineer and member of the Chamber of Engineers of Rhineland-Palatinate, project work is carried out in accordance with the recognized rules of technology; quality is ensured through expert reports, site and operational analyses, and process concepts.
| Evidence | Insheim |
|---|---|
| Member of the Chamber of Engineers of Rhineland-Palatinate |
Milestones and references
- 1983
Planning and implementation of a sand and gravel processing plant for Gebr. Deubig OHG
- 1985
Development of dredging equipment for penetrating solid interlayers (Gebr. Deubig) as well as extraction and permitting planning for the Rheinzabern open-pit mine (1985–1989)
- 1992
Planning and implementation of a sand/gravel processing plant with ship loading in Seltz/France (Karl Epple)
- 1993
Dredging equipment for large extraction depths in Seltz/France (Karl Epple)
- 1997
Regional planning procedure for securing a gravel deposit (Rheinkies Deubig / Minorco) as well as sand/gravel deposit exploration
- 1998
Planning and implementation of a plant for the production of premium splits (Tarmac Central Europe)
- 2001
Start of planning and implementation of a plant for the extraction of heavy minerals from river sediments (Anglo American, until 2007)
- 2003
Optimization of the extraction and processing regime in a quarry near Stuttgart (MSW)
- 2007
Site and operational analyses of several plants with determination of optimization potential (Cemex Deutschland)
- 2008
Expert report on premium split plant (Flückiger), ballast plant and primary crushing planning (Reichle Dolomitsteinwerke), glass sand process concept (QFL Thüringen)
- 2009
Process concept for graded sands (MKW), upgrading of ready-mixed concrete batching plants (Poland), preliminary planning of a dry mortar plant (Libya), hard rock crushing and classifying plant (LHW)