MATERIALS AND INVESTIGATIONS
Our department is responsible for providing specialized engineering services that support the planning, design, construction, and maintenance of civil engineering infrastructure. The department ensures that all projects are grounded on scientifically sound geotechnical data and that pavement structures are designed to deliver long-term performance, safety, and cost-effectiveness.
INTRODUCTION
Our department is responsible for providing specialized engineering services that support the
planning, design, construction, and maintenance of civil engineering infrastructure. The department
ensures that all projects are grounded on scientifically sound geotechnical data and that pavement
structures are designed to deliver long-term performance, safety, and cost-effectiveness.
MANDATE AND CORE FUNCTIONS
The department’s mandate is to conduct detailed subsurface investigations and develop pavement
design solutions that meet national and international engineering standards. The core functions
include:
• Conducting geotechnical investigations for roads, bridges, buildings, and other civil works.
• Supervising laboratory and field testing to determine soil and material properties.
• Analyzing the data
• Carrying out pavement condition assessments and structural evaluations.
• Preparing geotechnical reports, design recommendations, and material suitability assessments.
• Developing flexible and rigid pavement design solutions based on traffic loading, soil
conditions, and environmental factors.
• Providing technical support during construction, including material quality control and
foundation recommendations.
KEY SERVICES OFFERED
The department provides the following specialized
services:
a. Geotechnical Investigation
• Borehole drilling and sampling
• Standard Penetration Tests (SPT)
• Dynamic Cone Penetration Tests (DCPT)
• Trial pits and trench investigations
• Groundwater monitoring
• Geophysical surveys (where applicable)
b. Pavement Design and Evaluation
• Traffic analysis and axle load assessment
• Flexible and rigid pavement structural design
• Pavement condition surveys and roughness assessments
• Evaluation of existing pavement strength using CBR, FWD, or other method.
STANDARDS AND COMPLIANCE
All investigations and designs are undertaken in accordance with recognized standards and guidelines, including:
• BS 1377 (Soil Testing Standards)
• ASTM Standards
• AASHTO Pavement Design Guidelines
• Tanzania standard specifications
• National Environment Management Council guidelines
TECHNICAL CAPACITY AND EQUIPMENT
The department is staffed with qualified geotechnical and pavement engineers, technicians, and
laboratory personnel. It is equipped with modern geotechnical investigation tools, laboratory testing
equipment, and advanced design software to ensure accuracy, efficiency, and reliability in all
deliverables.
6. Commitment to Quality and Safety
The department upholds high standards of professional integrity, health and safety, and
environmental stewardship. All activities are conducted under strict quality control procedures to
ensure that results are dependable and meet client expectations.
OBJECTIVES
• To provide accurate and reliable geotechnical and pavement design data for sound engineering decisions.
• To support project implementation through technical guidance and material quality verification.
• To promote cost-effective and durable infrastructure solutions.
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