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FS Enegineering designing fire protecting systems such as sprinkler systems, gas suppression systems, water spray systems, foam systems etc. Design process consists of the following steps which are listed below:

Design Basis

At the beginning of each new project and for its successful completion, a specific set of conditions will always apply.

When designing new product, we always bear in mind client's requirements. Design basis is a document which contains all important facts & guidlines which are stricly followed by our design engineers. Should any major change take place, the change will be primarily recorded in design basis file.


Design of the fire protecting systems is based on many aspects such as environment, area dimensions or standards which we needs to follow. Before we are ready to produce drawings or models for the systems, we always make a simple draft of the suggested solution.


Piping and Instrumentation Diagram (P&ID) shows all of piping including the physical sequence of branches, reducers, valves, equipment, instrumentation and control interlocks. The instrument symbols used in these drawings are generally based on International Society of Automation - ISA-S5.1. For our customers the P&ID works as a primary schematic drawing used for laying out a process control installation.


Hydraulic calculations are most important part of the design, they confirm if the system works and allow us to modify the design more effectively considering the factor of safety. FS Engineering use validated software for hydraulic analysis of firewater systems in compliance with NFP13, NFPA15 and NFPA16 rules.

Computer-aided Design (CAD)

CAD is the final stage of the design. FS Engineering provides GA (General Arrangement) ISO (Isometric views) and in some cases 3D models of the completed system solutions. The GA always contains a plan (top view) & elevation (side view) with main dimensions, details and important notes. ISO usually contains system & pipes specification and is completed with BOM (Bill of Materials). In small size systems (Transformer protection, Gas Suppression Systems) the GA and ISO are directly generated from the 3D model. Finalized 3D objects could be imported as STEP-File (Standard for the Exchange of Product model data) or standard 3D dwg AutoCad file into the PDMS (Plant Design Management System).

Every single revision of drawing is documented and later handed over to the client.