Monday 24 February 2025 
✏️ BY: Dr. Hana Saada
Algiers, Algeria | June 2nd, 2024 — Have you ever wondered how public works projects remain stable and safe for decades? The answer lies in the National Technical Control Agency for Public Works (CTTP), a public industrial and commercial institution under the supervision of the Ministry of Public Works and Infrastructure. With its multifaceted tasks, including technical control and compliance assurance in design, the CTTP aims to mitigate potential technical risks during project execution.
Ramadan Belaabed, Director of Technical Assistance Management and Control at CTTP, highlighted the agency’s critical role in ensuring the quality of materials and work across various projects. He emphasized that the CTTP’s primary mission is to guarantee the quality of materials used and the quality of the completed work, from the inspection of materials to the final acceptance of projects. Additionally, the agency is dedicated to research and development to keep pace with external advancements and to training technicians nationally, which ensures the continuity of expertise across generations.
The Central Laboratory: Backbone of CTTP
The central laboratory is the backbone of CTTP, equipped with the latest advanced equipment to conduct required studies and tests with precision and efficiency. The lab primarily focuses on testing and monitoring the materials used in technical structures, ensuring they meet international standards.
Key Services of the Central Laboratory
1. Mechanical Soil Service (Service Mécanique du Sol): This service focuses on soil mechanics, ensuring the reliability and stability of the soil used in various construction projects.
2. Soil and Materials Service (Service Sol et Matériaux): Responsible for testing and analyzing soil and construction materials to ensure their suitability and compliance with project requirements.
3. Bituminous Products Service (Service Produits Bitumeux): Specializes in testing and formulating bituminous products for road construction, ensuring durability and safety.
4. Concrete and Hydraulics Service (Service Béton et Hydraulique): Conducts tests on hydraulic concrete formulations and aggregates for various construction applications, ensuring the quality and durability of concrete structures.
5. Chemistry Service (Service Chimie): Focuses on chemical analyses of materials used in construction, ensuring they meet all necessary safety and quality standards.
6. Vertical and Horizontal Signage Service (Service Signalisation Verticale et Horizontale): Ensures the quality and effectiveness of road signage, crucial for traffic safety.
State-of-the-Art Equipment and International Standards
The CTTP boasts state-of-the-art equipment aligned with international standards, including:
– Force Calibration : Used for testing the strength and durability of materials.
– Temperature Calibration : Ensures materials can withstand various temperature conditions.
– Pressure and Distance Calibration : Measures pressure and displacement to assess material performance under stress.
Specific Services and Their Roles
1. Hydraulic Concrete Service: Formulates and tests hydraulic concrete, ensuring it meets the necessary specifications for infrastructure projects. This includes assessing the concrete’s flexural strength, corrosion resistance, and overall durability.
2. Chemistry Service: Conducts chemical analyses on aggregates, bituminous materials, and concrete to ensure their safety and compliance with international standards.
3. Vertical and Horizontal Signage Service: Evaluates road signage for durability and visibility, ensuring road safety and effective traffic management.
Unique Measurement Units
The CTTP employs unique measurement units to ensure the safety and reliability of infrastructure projects:
– Road Surface Measuring Unit: Evaluates the surface condition of roads, providing critical data for maintenance and improvement.
– Aviation Runway Measuring Unit: Ensures airport runways meet international safety standards, crucial for preventing accidents and ensuring smooth operations.
Through its comprehensive services and advanced technological capabilities, the National Technical Control Agency for Public Works (CTTP) plays an indispensable role in ensuring the success and sustainability of public works projects in Algeria. By guaranteeing the quality of materials and construction processes, conducting ongoing research and development, and training the next generation of technicians, the CTTP stands as a cornerstone of safety and reliability in the nation’s infrastructure development.
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