Case Study

The Problem FPrimeC was retained by Gillespie Building Consultants Inc. (Client) to perform non-destructive evaluation and testing on three (3) upturn concrete beams located at the parking garage of a condominium building in Ajax, Ontario. Concrete elements under investigation were three (3) concrete beams at specified locations of the parking roof. At the time of inspection, extensive cracking was observed on the surfaces of concrete beams (inside and outside). The… Read More »Non-Destructive Evaluation of Cracking in Concrete Beams

Scope FPrimeC Solutions was retained by EllisDon Corp. (Client) to perform non-destructive evaluation and testing on the top sections of concrete caissons (piles) at one of the GO Transit Stations located in Greater Toronto Area (GTA). The client was interested in examining the quality of concrete in the top section of the caissons. The main objective of this investigation project was to evaluate the quality of concrete in the exposed… Read More »Non-Destructive Evaluation of Concrete Caissons – Go Transit Station

Scope FPrimeC Solutions was retained by Golder Associates Ltd. (Client) to perform non-destructive testing and scanning on concrete slabs and columns of a reinforced concrete building located in Toronto, ON. The client was interested in screening subsurface condition of concrete for potential anomalies and voids. The main objective of this project was using a combination of non-destructive testing methods for concrete mapping and scanning.   Solution  Following communication with Client,… Read More »Non-Destructive Testing and Scanning of a Reinforced Concrete Building – City of Toronto

The Problem FPrimeC was retained by WSP (Client) to conduct a Structural Condition Assessment of Existing Building in Toronto, Canada. Detailed Structural Inspection and Material Testing on an existing building (power station) was needed. The structure under investigation is a 100+ year old brick veneer three-story building, and is considered a heritage facility. The main objective of the project was concrete inspection and testing using non-destructive test methods for material… Read More »Structural Condition Assessment of Existing Building in Toronto

The Problem FPrimeC was retained by Golder Associates Ltd. for in-situ evaluation of concrete strength in a recently constructed footing element in Pickering Generating Station, ON, Canada. Concrete element under investigation was a reinforced concrete footing with overall dimension of 3,600 mm (L) x 3,600 mm (W) x 700 mm (H). The minimum specified compressive strength for this concrete footing was 30 MPa. The main objective of the project was to verify… Read More »In-Situ Evaluation of Concrete Strength

The Problem FPrimeC was retained by Golder Associates to perform Scanning and Imaging of Concrete Slab on Grade elements in Pickering, ON as part of the quality control process. Concrete slab was approximately 22 m x 20 m and 400 mm thick. Concreting was done in a cold day (with temperatures lower than 5 C), and the consultant was concerned regarding presence of voids close to the edges. Scanning and… Read More »Scanning and Imaging of Concrete Slab on Grade

The Problem FPrimeC was retained by McClymont & Rak Engineers, Inc. to perform quality control of concrete piles using low strain pile integrity testing on newly cast concrete piles, Toronto, ON. Concrete piles were 1000 to 1200 mm diameter, and had 25 to 30 depth. The client was interested in quality control and inspection of integrity in these piles.   Quality Control of Concrete Piles – Pile Integrity Test Low… Read More »Quality Control of Concrete Piles

The Problem FPrimeC was retained by Ellisdon to conduct a comprehensive quality control of post-tensioned concrete beams. The beams served as primary load transfer system in a commercial-residential tower in downtown Toronto. Beams were 3 m deep, 2 m wide, and had a free span of approximately 12 m. The post-tensioned beam showed sign of premature cracking as a result of applied load. The initial assumption was that the post-tensioning… Read More »Quality Control of Post-Tensioned Concrete Beams

Quality Control of Cold Joints in Concrete Construction FPrimeC was retained by Ellisdon to conduct quality control of cold joints in concrete construction in two Go Transit stations in the GTA. Non-destructive testing was used to assess the quality and integrity of concrete walls in Go Station developments in Miliken (MI) and Agincourt (AG) stations. The walls showed sign of cold joints. Client was interested to study if the presence… Read More »Quality Control of Cold Joints in Concrete

The Problem FPrimeC was retained by Résolu Produits forestiers in Gatineau, QC, to conduct non-destructive evaluation of concrete tank. The oxygen reactor was a rectangular concrete tank with overall dimensions of 80m x 40m, and a height of approximately 5 m. Horizontal, vertical and diagonal cracks were observed in the exterior surface of concrete. Client was interested in a comprehensive of existing condition of the structure, and possible repair solutions.… Read More »Non-destructive Evaluation of Concrete Tank in Gatineau