Best Practices in the Planning Stage
From commercial skyscrapers to residential communities and sprawling campuses, the demand for reliable wireless connectivity continues to soar. For new construction projects, this presents a unique opportunity to integrate cutting-edge Distributed Antenna Systems (DAS) seamlessly into the building’s infrastructure, ensuring optimal wireless performance both today and in the future.
Designing DAS for new construction projects in the planning stages demands a meticulous approach that integrates wireless connectivity seamlessly into the building’s infrastructure right from the start. By following best practices during the planning stages, architects and engineers can ensure that the building’s occupants will enjoy uninterrupted, high-quality wireless connectivity well into the future.
Milestones For DAS In New Construction Buildings
- Building Survey: In this stage, the vendor gathers building details and specific requirements for DAS construction. For instance, if the DAS is intended for a hospital, it’s crucial for vendors to be aware of infectious control regulations. This phase is pivotal as insufficient information can significantly impact labor and material costs down the line.
- Benchmark Survey: During this second stage, the vendor walks around the building to collect data. This survey is essential for determining floor-by-floor coverage objectives, with engineers analyzing the ambient signal profile floor-by-floor.
- Post-processing: The data must be processed once the initial surveys are complete. While several data processing software options are available, this stage can take anywhere from a few days to 2-3 weeks. It’s important to obtain a summary profile from this data collection.
- Design Engineering: Engineers determine the zones of the DAS, particularly in scenarios like campuses with multiple buildings or large single structures such as stadiums.*
- Design Phase: Using software like iBwave, engineers conduct link budget and propagation analyses, producing various deliverables including floor plans with electronics and antenna locations, cable routing diagrams, logical diagrams, predictive propagation plots, rack diagrams of head-end electronics, and lists of required materials for the DAS.**
- Compiling Documentation: While similar to design deliverables, these documents must be formatted so installation vendors can easily understand them when constructing a high-quality DAS.
*For new buildings, customers may opt for engineers to proceed with design engineering first, conducting benchmark testing once exterior walls and windows are in place. This might necessitate adjustments to the DAS design based on benchmark data.
**Vendors should present these design deliverables to customers, ensuring they understand the documents thoroughly. If local market carriers are involved, the design deliverables should be shared with their engineers to secure early buy-in.
Tips and Notes for New Construction DAS
Early Collaboration is Key
Early stakeholder collaboration is the foundation for successful DAS implementation in new construction. Architects, engineers, IT professionals, and DAS specialists must work closely together from the project’s inception. This ensures that wireless infrastructure is woven into the building’s blueprints seamlessly.
Comprehensive Site Survey and Assessment
Before any design work begins, conducting a thorough site survey is essential. This includes analyzing the building’s planned layout, understanding its intended materials, and assessing potential sources of interference. By deeply understanding the site’s characteristics, designers can make informed decisions about antenna placement and equipment selection. It also helps with the critical step of understanding what major network carriers have (or lack) a presence in the area to bring them in as potential partners on the project.
Scalability and Future-Proofing
DAS solutions should be designed with scalability in mind. Wireless technology evolves rapidly, so planning for future upgrades and expansions is crucial, even at the planning stage. Utilizing a modular design approach allows for the integration of new technologies without the need for extensive rework.
Redundancy and Reliability
Reliability is non-negotiable when it comes to DAS in new construction. Redundancy in equipment and cabling is essential to ensure uninterrupted connectivity, and these considerations should be incorporated into the initial planning.
Similarly, thoughtful cable routing within the building plans will help to minimize signal loss and interference. Cable paths should avoid potential sources of interference, such as power lines and HVAC systems. High-quality, low-loss cables should be specified to maximize signal integrity.
Antenna Placement and Coverage Analysis
Determining the optimal placement of antennas is a critical aspect of DAS design. Coverage analysis helps identify areas with projected weak or no signal, allowing designers to plan for antenna placement to achieve maximum coverage strategically. Additionally, antenna selection should consider the specific frequencies and wireless technologies planned for use.
Compliance with Industry Standards
Adherence to industry standards and regulations is a must from the planning stage. DAS designs should plan to comply with codes such as NFPA (National Fire Protection Association) and IFC (International Fire Code), particularly for public safety DAS. Staying up-to-date with the latest standards ensures both safety and performance.
Rigorous Testing and Optimization
Consider incorporating rigorous testing and optimization procedures as part of the planning process. This could include simulated signal strength tests, interference checks, and performance assessments within the digital building plans. Identifying and addressing potential issues during the planning stage can save time and resources during construction.
Training and Documentation
Planning for training and providing comprehensive documentation should be part of the initial planning process. This ensures that the construction and technical staff involved in the project are aware of the DAS requirements and that they will be prepared for system management and maintenance after construction.
Ongoing Maintenance and Monitoring
Even at the planning stage, it’s essential to consider the long-term maintenance and monitoring of the DAS. Incorporating these considerations into the initial design helps ensure that the system will continue to perform optimally post-construction.
About MCA
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More than 65,000 customers trust MCA to provide carefully researched solutions for a safe, secure, and more efficient workplace. As your trusted advisor, we reduce the time and effort needed to research, install, and maintain the right solutions to make your workplace better.
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