DELTA SCIENTIFIC SECURITY NEWS AND BLOG
What SAFETY Act Certification Means for Perimeter Security
Learn what the The SAFETY Act, a program established by the U.S. Department of Homeland Security, means to the perimeter security industry. This program was created to encourage the development and deployment of proven…
Crowd Protection at City Events: Why Crash-Rated Portable Barriers Matter
Metal barricades manage crowds, not vehicles. Learn why city events now need crash-rated solutions and how Delta’s DSC50 S Barrier helps protect parades and festivals.
How to Write Performance-Based Specs for Vehicle Barriers and Bollards (Ratings, Penetration, Cycle Time)
A practical guide for engineers and architects on writing performance-based specs for vehicle barriers and bollards using crash ratings, penetration, duty cycle, and environmental requirements, without naming brands.
Why Improvised Barriers Fall Short in Protecting Crowds
Crash-rated barriers are designed, tested, and certified to perform under defined conditions. Learn how improvised barriers are never the best option.
UK Threat Level Raised to Severe: Why Preparedness Must Come First
The Threat Level Has Changed The UK has raised its national terrorism threat level from substantial to severe. This means an attack is highly likely. This is the official assessment from MI5. Source: https://www.mi5.gov.uk/uk-national-terrorism-threat-level-raised-to-severe…
Portable Vehicle Barriers for Events: Protecting Streets Without Permanent Construction
Most event security plans have the same constraint: you need protection for a weekend, not a capital project. Portable vehicle barriers for events solve that by deploying on existing surfaces, then leaving with the…
Bollards and Barriers for Parking Garages and Ramps: Practical Protection at Exits, Pay Areas, and Retail
Why parking garages need a different approach In most facilities, vehicles and pedestrians can be separated with distance. Garages compress everything: turning movements, ramps, columns, doors, and queue lines. That means the same site…
Shallow-Foundation Wedge Barriers for Sites With Utilities and High Water Tables
The problem: you need vehicle stopping power, but you can’t dig. Many barrier projects start with a simple requirement: stop a vehicle from entering a protected area. Then the first test pit gets excavated…
Why We Build What We Sell
I’ve spent decades in this industry. I’ve seen trends come and go, shortcuts promised as innovation, and outsourcing sold as progress. Through all of that, one belief has never changed for me. If you…
Removable vs Retractable Bollards: Which Access Control Option Fits Your Site?
Crash-rated equipment only helps if it is planned, staged, and placed where vehicles can realistically reach crowds. This article gives municipal teams a repeatable process for deploying Delta’s DSC50 “S” Barrier for temporary crowd…
Do Cities Need Crash-Rated Barriers?
Crash-rated equipment only helps if it is planned, staged, and placed where vehicles can realistically reach crowds. This article gives municipal teams a repeatable process for deploying Delta’s DSC50 “S” Barrier for temporary crowd…
ASTM F2656 Explained: How M-Ratings Work for Vehicle Barriers
Crash-rated equipment only helps if it is planned, staged, and placed where vehicles can realistically reach crowds. This article gives municipal teams a repeatable process for deploying Delta’s DSC50 “S” Barrier for temporary crowd…