Reliance Foundry steel pipe security bollards are designed for high-impact protection in situations of vehicle accident. They can be reinforced with concrete and finished with concrete caps. The size and speed of traffic in area determines the best choice. For example, many gas companies specify steel pipe security bollards reinforced with concrete for the protection of external meters. They usually specify smaller diameter steel pipe for residential applications compared to larger ones in industrial settings. These can be standardized without specifying crash rating.If using Reliance Foundry security bollards for crash protection, an engineer should be consulted to determine suitability. Proper installation is necessary for effectiveness.Some locations under threat of active terrorist or criminal assault choose Department of State u003ca href=u0022https://www.reliance-foundry.com/blog/k-rated-bollardsu0022u003eK-rated or ASTM crash-ratedu003c/au003e bollards. Reliance Foundry does not deploy installation teams and therefore cannot provide anti-ram bollards.