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Automatic Sprinkler System Design

Allen Engineering ensures your success by designing systems to meet the unique requirements of each individual project. Far from being "boilerplate systems", automatic fire sprinkler systems require special consideration in every project.


We develop project specific specifications and drawings, adhering to the requirements of fire code, building code, and NFPA standards. All system design drawings are developed using computer aided design software. Automatic sprinkler systems come in many varieties- dry systems, wet systems, deluge systems, pre-action systems, and double-interlocked systems. Each system requires special consideration, especially when unique architectural features are present in the building.


To assure competitive contractor selection, we prepare performance specifications rather than the traditional manufacturer supplied design specifications. Our specifications and drawings include performance criteria necessary for meeting the objectives of your designs. We define contractor qualifications, product performance, installation, testing, and commissioning criteria. Our specifications are tailored to the projects needs and include custom specifications or utilize SpecsIntact guide specifications prepared by the Government agencies.


No matter how large or small simple or complex your project is, Allen Engineering will ensure it meets the highest standards of engineering practice.

Allen Engineering serves Seattle, Tacoma, Bellevue, Spokane, Olympia as well as all of King, Spokane, Pierce, and Snohomish County

Fire and Building Code Consulting
Code Analysis / Code Compliance
Life Safety Analysis

Hazard Analysis

Hazardous Materials

Design of Fire Protection Systems
Automatic Sprinkler Systems
Fire Detection & Alarm Systems
Clean Agent Extinguishing Systems
Smoke Control
Loss Investigation & Litigation Support
Origin & Cause Investigation
System Failure Analysis
Technical Assistance
Litigation Support
Fire Protection Engineering
Performance-Based Design
Water Supply Testing & Analysis
Testing Witness & Coordination
Inspection & Commissioning
Construction Management
Construction Bid Document Development
Special Inspector Services
Commissioning / Acceptance Testing
Third Party Plan Review
Property Loss Prevention
Hazard & Risk Assessment
Fire Safety Audits
Alternative Solutions Development
Risk Improvement Strategy Development

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