The 110-year old Wilhelmina lock in the city centre of Zaandam, the Netherlands, was completely renewed and upgraded by a Dutch construction firm. In cooperation with an engineering firm, MaxGrip carried out a comprehensive analysis to ensure that the designs meet all future operational requirements.
The contract was awarded by the province of Noord-Holland, responsible for the quality and reliability of the provincial roads and waterways. The construction firm is a large building contractor in the Netherlands, active in property development, housing, non-residential construction, and infrastructure.
The Wilhelmina lock in central Zaandam is outdated in terms of its dimensions and technical condition. Renovation would not be an adequate long-term solution. The province opted for the renewal of the entire lock complex, including the nearby Beatrix and Wilhelmina bridges, owned by the municipality Zaanstad. Broadening the chamber to 14 meters, deepening it to 4.7 meters, and lengthening it to 156 meters makes the new lock accessible to ships of the largest (inland waterway) class.
The construction firm was awarded a Design & Construct contract for the realization of the project. The province formulated a set of requirements and conditions in a public tender, allowing professional contractors such as the construction firm to apply their knowledge, expertise and innovative power to complete the renewal project as quickly and cost-effectively as possible. The construction firm needed support to demonstrate beyond any doubt that its design decisions and calculations will meet all requirements of availability, reliability and total life cycle costs.
RAMS stands for Reliability, Availability, Maintainability and Safety. “RAMS analysis is an increasingly important development method, best applied from the initiative phase”, says MaxGrip expert Bart Hilderink. “It analyzes and maps out the level of reliability, availability, maintainability and safety in an integrated manner. It can translate the information into RAMS requirements for these four aspects, reflecting the performance to be delivered, and covering the entire asset life cycle. The results from the various analyses substantiate any design changes and decisions, which end up in the RAMS dossier along with the client’s comments on the process and analysis results.”
MaxGrip has a proven track record in applying RAMS methodology for the Infrastructure & Utilities sector, demonstrating its ability to deliver quality and value within a limited timeframe. “Our collaboration with Witteveen+Bos has created a substantial knowledge base. We use state of the art software solutions and our expertise is complementary. They contribute technical design knowledge, we have the expertise with regard to failure behaviour and preventive maintenance, the methods and best practices for maximum availability and maintenance optimization.”
With the help of Optimizer+, MaxGrip carried out the process and system analysis, the FMECA and the fault tree analysis, as well as the safety and maintainability analysis. “Based on the findings, the ideal project approach and targeted improvements could be defined. We paid a lot of attention to limiting the impact of the project on the environment and on the water and road traffic during the execution phase. The works with the highest impact takes place within an intensive construction period of two months.”