how to choose road bollard

Road bollards are versatile elements of urban infrastructure that play a vital role in creating safer, more organized, and potentially more aesthetically pleasing environments by managing vehicle movement, protecting pedestrians and property, and enhancing security. The specific function of a bollard depends heavily on its type, material, placement, and the surrounding context.

Choosing the right road bollard involves careful consideration of several factors to ensure it meets your specific needs for safety, security, and traffic management. Here's a step-by-step guide:

1. Define the Primary Purpose:

• Traffic Calming: To slow down vehicles and encourage safer speeds. Flexible or lower-height fixed bollards might be suitable.
• Pedestrian Safety: To create a physical barrier between vehicles and pedestrians on sidewalks or pedestrian zones. Fixed bollards with appropriate spacing are key.
   
• Channelizing Traffic: To guide vehicles along specific paths or delineate lanes. Flexible bollards or a series of fixed bollards can work.
   
• Property Protection: To prevent vehicles from accessing or damaging buildings, infrastructure, or landscapes. Robust fixed or crash-rated bollards are necessary.
   

   
• Access Control: To restrict vehicle entry to certain areas while allowing authorized access. Removable or retractable bollards are ideal.
   
• Aesthetics: To enhance the visual appeal of an area while serving a functional purpose. Decorative bollards in various materials and designs can be chosen.
   

2. Assess the Site and Environment:

• Traffic Volume and Speed: Higher traffic speeds and volumes may necessitate stronger, more visible bollards.
• Vehicle Types: Consider the size and type of vehicles that might interact with the bollards (cars, trucks, buses). This is crucial for determining the required strength.
• Space Constraints: The available space will influence the size and type of bollard you can install.
   
• Ground Conditions: The type of ground (e.g., concrete, asphalt, soil) will affect the installation method.
• Weather Conditions: Consider the local climate, including temperature variations, rainfall, and potential for corrosion, when selecting materials. Galvanized or stainless steel may be preferable in harsh environments.
• Visibility Requirements: If the bollards need to be seen at night or in low light, consider illuminated or reflective options.

3. Determine the Required Level of Security (if applicable):

• Non-Crash Rated: Suitable for basic traffic management and demarcation.
• Crash-Rated (Anti-Ram): Essential for protecting high-security areas from vehicle-borne threats. Understand the various crash rating standards (e.g., PAS 68, ASTM) and choose a bollard that meets the specific threat level.
   

4. Choose the Type of Bollard:

Based on the purpose and site assessment, select the most appropriate type:

• Fixed Bollards: For permanent barriers and high security.
   
• Removable Bollards: For situations requiring occasional vehicle access.
   
• Retractable Bollards: For frequent access control with a need for a clear surface when lowered.
   
• Flexible Bollards: For traffic calming and lane delineation where impact is possible.
   
• Fold-Down Bollards: Primarily for parking space reservation.
• Decorative Bollards: For aesthetic purposes with a secondary barrier function.
   
• Illuminated Bollards: For enhanced visibility and safety at night.
   

5. Select the Material:

Consider durability, maintenance, aesthetics, and cost:

• Steel: Strong and durable, with options for galvanization or stainless steel for corrosion resistance.
• Concrete: Robust and offers high impact resistance.
   
• Cast Iron: Often used for decorative purposes.
   
• Plastic/Polymer: Cost-effective and low maintenance, suitable for lower-impact applications.
• Timber: For a natural aesthetic in certain environments.

6. Consider Visibility and Aesthetics:

• Color and Finish: Choose colors that enhance visibility or blend with the surroundings. Reflective bands can improve nighttime visibility.
   
• Design: Select a design that is appropriate for the location, ranging from simple and functional to more ornate.

7. Plan for Installation:

• Installation Method: Fixed bollards typically require embedding in concrete or bolting to the surface. Removable and retractable bollards require ground sockets and mechanisms.
   

   
• Spacing: Proper spacing is crucial for preventing vehicle access while allowing pedestrian flow (typically no more than 1.2 meters for preventing vehicle entry and at least 0.9 meters for pedestrian access according to BS 8300).
• Drainage: Especially important for retractable bollards to prevent water damage.
   
• Professional Installation: For security-critical or complex installations, it's recommended to use experienced professionals.

8. Budget:

• Consider the initial cost of the bollards, as well as installation and any ongoing maintenance. Retractable and crash-rated bollards are generally more expensive.

By carefully considering these factors, you can choose the most effective and appropriate road bollards for your specific application.

Sinomatic has one of the widest ranges of fixed and static bollards on the market. Sinomatic bollards are available in a variety of sizes and finishes including galvanised and stainless steel, and are suitable for both commercial and residential applications.