Our Services


Geotechnical Eengineering

Grondzaak Integrated Services Limited (GISL) provides the whole solution for geotechnical investigation to obtain information on subsoil condition of the site and to develop the general guide for design and construction of foundation work in this site. The geotechnical investigation is the first stage of our work on most projects. Most of our recommendations for a project are predicated on the data gathered during the investigation phase of a project. Have fun with sign up bonus casino no deposit. From geologic mapping to logging of borings or trenches to collecting and submiting soil samples for laboratory analyisis, every asppect of the field investigation is a geotechnicial building block in characterizing YOUR PROJECT NEEDS A geotechnical investigation will include surface exploration and subsurface exploration of a site. Sometimes, geophysical methods are used to obtain data about sites. Subsurface exploration usually involves soil sampling and laboratory testing of the soil samples retrieved. All these services are performed by GISL. ​

Geophysical Engineering

Grondzaak Integrated Services Limited (GISL) provides the whole solution for geophysical engineering. We help locate and extract different natural resources from the earth, including ores, minerals, precious gems, water, or gases.

At GISL utilize their extensive knowledge of the earth to identify sites that may contain special mineral or stone deposits that could be of interest to mining companies and other corporations. We then plan how the resources will be drawn out of the earth in the most efficient and environmentally friendly manner.

Some geophysical techniques used for subsurface exploration include measurement of seismic waves (pressure, shear, and Rayleigh waves), using surface-wave methods and/or downhole methods, and electromagnetic surveys (magnetometer,  resistivity, and ground-penetrating radar).

Geoenvironmental Solutions

Grondzaak Integrated Services Limited (GISL) provides the whole solution for geoenvironmental engineering which includes the protection of uncontaminated regions of the subsurface as well as the remediation or clean up of regions of the subsurface that have been contaminated by one or more events (e.g., industrial chemical spills, leaking waste containment facilities, leaking above-ground and underground storage tanks, infiltration of pesticides, etc.)

From site assessment and compliance monitoring to spill prevention, our team of experienced geoenvironmental professionals provide a variety of environmental services to meet the specific needs of your project.


Grondzaak Integrated Services Limited (GISL) provides the whole solution for survey engineering. We collect, analyze, and manage the global spatial infrastructure. We are also experienced in  designing, developing, and operate systems for collecting and analyzing spatial information about the land, the oceans, natural resources, and man-made features. We have a wide range of sophisticated equipment such as Global Positioning Systems (GPS), electronic theodolites, levels, aerial photographs, satellite imagery for gathering, analyzing, and using information about the earth.

We are ready to work with you and our partners

We provide expertise through the full range of project phases, from initial concept through post-construction monitoring. We emphasize the identification and evaluation of geologic hazards, and the development of creative, practical geotechnical engineering solutions and mitigations that are appropriate to the site and project.

We bring abundant experience in addressing such geotechnical challenges as foundation bearing soils for oil and gas structure, pipelines, facilities, housing and road/infrastructural projects

Our Clients

Since its inception, The team in ISL has been a major player in the  services of civil/geotechnical and environmental engineering. We have been involved in the design, execution and commissioning of several projects in different parts of the country. A few of such projects are outlined below: