


INTEGRTION and INTERFACE MANAGEMENT
VERIFICATION & VALIDATION MANAGEMENT
SAFETY MANAGEMENT

TEST and COMMISSIONING MANAGEMENT
OPERATION and MAINTENANCE MANAGEMENT
Pre-ISA Activities


Sisray Engineering Limited is a highly specialized company in the railway system engineering field that offers world-class services to its clients. The company was founded in Istanbul, Turkey, making it the first and only railway system engineering company to be established under Turkish ownership.
Headquartered in Istanbul, Sisray has been providing its services since 2012 and has successfully completed 20 different projects in the railway system engineering field. The company’s continued success is attributed to its highly skilled team of 25 Turkish employees, who hold multi-disciplinary engineering diplomas and varying levels of experience in the sector.
Our team has been involved in a wide range of exciting projects across the globe, from metro lines in Istanbul to monorails in Turkmenistan.
One of our areas of expertise is System Requirement Management, which involves identifying and managing the requirements of a transportation system. We work closely with our clients, contractors and sub-contractors to understand their needs and ensure that their requirements from the contracts, specifications and international standards are met. Our team has a proven track record of delivering successful projects, and we are committed to providing top-quality services to our clients.
Another area of expertise is Integration and Interface Management. This involves ensuring that all system components work together as intended and that all interfaces between components are properly managed. Our team has extensive experience in this area, and we are able use the latest tools and techniques to ensure that our clients' systems are fully integrated and meet their needs.
We also offer Verification and Validation Management services, which involve, apportioning the requirements to sub-systems and testing and verifying that a system meets its intended purpose. Our team has a deep understanding of testing methodologies and techniques, and we work closely with our clients to ensure that their systems are thoroughly tested and validated.
Safety Management is another area of our expertise, and it involves ensuring that a transportation system is safe to operate. We are following EN50126 safety process for the projects including, risk identification, tracking, hazard log and safety case. Our team has a wealth of experience in this area, and we use the latest safety management techniques to ensure that our clients' systems are safe for passenger service.
We also specialize in System RAM Studies, which involve analysing the reliability, availability, and maintainability of a system. Our team has extensive experience in this area, and we use the latest techniques to ensure that our clients' systems performance and are reliable and easy to maintain.
T&C Management is another area of our expertise, and it involves ensuring that a system is properly manufactured and installed. Our team has a deep understanding of testing and commissioning methodologies, and we are able to perform test and commissioning services at system and sub-system level including trial run operations.
O&M Management and Organisation is another area of our expertise, and it involves ensuring that a system is properly maintained and operated. Our team has extensive experience in preparing operational and maintenance, plans and schedules and we perform supervision service to ensure that our clients' systems are properly operated and maintained.
We also offer System pre-ISA Studies, which involve conducting studies to identify potential hazards and risks associated with a transportation system. Our team has a wealth of experience in this area, and we use the latest tools and techniques to ensure that our clients' systems are safe and reliable.