A Common Language for High-Quality Building Services Engineering

Why RYL?

• When you refer to the RYL service in your tenders and contracts, all contractors receive the same quality requirements at once, making tender responses easier to prepare and proposals easier to compare.
• You do not need to repeatedly define detailed requirements for every work phase from project to project in contracts and tender documents.
• It also simplifies the preparation of project-specific documents (construction specifications and work descriptions), reducing the need to repeat the same requirements across multiple projects.

Designer – Ensure Building Services Functionality Already During Design

An HVAC or electrical designer prepares plans for a new office or residential building. The plans define systems, sizing criteria, and performance requirements.

Instead of writing detailed technical requirements for every system, the designer references TalotekniikkaRYL requirements in the design documents.

When the systems are implemented, TalotekniikkaRYL serves as a common framework for technical quality and functionality. This allows the designer to ensure that the client receives systems that are functional and compliant with requirements.

Benefits for Designers

• Saves time in defining technical requirements
• Ensures system functionality and compatibility
• Eliminates ambiguity between design and execution
• Supports clients in achieving their project objectives

Client and Developer – Ensure Functional Systems Without Ambiguity

The developer initiates a project where building services engineering is a key contributor to building performance and operating costs.

Instead of defining detailed technical requirements for each system independently, the developer references TalotekniikkaRYL requirements in tender documents and contracts.

When contracts are signed, TalotekniikkaRYL becomes part of the contract documentation, ensuring that all parties commit to the same performance-based requirements.

Benefits for Clients and Developers

• Clear and consistent requirement levels during tendering
• A shared technical framework within contracts
• Reduced risk of errors and disputes
• Supports energy efficiency and operational performance goals

Main Contractors and Subcontractors – Confidence in System Implementation

The main contractor is responsible for implementing building services systems and employs subcontractors for ventilation, plumbing, and electrical work.

Instead of each party interpreting requirements differently, work is carried out according to TalotekniikkaRYL. This ensures systems are installed correctly and perform as designed.

Benefits for Contractors

• Clear guidance for implementation and installation
• Fewer errors and corrective actions
• Easier collaboration between contractors
• Supports smooth commissioning

Supervisor and Inspector – Verify System Performance Objectively

The supervisor ensures that building services systems are implemented according to the design, contracts, and client objectives.

Rather than relying on subjective interpretation, TalotekniikkaRYL provides precise criteria for measurements, adjustments, and system performance.

Benefits for Supervisors and Inspectors

• Objective benchmark for evaluating technical quality
• Clear reference point for resolving disagreements
• Ensures system functionality and safety
• Simplifies documentation and reporting

Material and Equipment Suppliers – Demonstrate Product Suitability

Building services suppliers provide products such as air handling units, pumps, lighting fixtures, or automation solutions.

When products comply with TalotekniikkaRYL requirements regarding performance, energy efficiency, and safety, suppliers can demonstrate their suitability for the project.

Benefits for Suppliers

• Easier verification of product compliance
• Supports designers’ and contractors’ selection processes
• Strengthens product competitiveness in projects
• Simplifies documentation and approval procedures