Precise Installation and Commissioning Procedures
Installation of daylight harvesting systems demands precision beyond typical electrical wiring. Our certified technicians meticulously adhere to design specifications for sensor placement, ensuring optimal field of view and avoiding obstructions or direct fixture illumination that could skew readings. Low-voltage wiring for sensors and control signaling is segregated from line voltage circuits to prevent electromagnetic interference (EMI) and ensure signal integrity, following NEC Article 725. Proper termination of network cables (e.g., Cat6 to RJ45 or terminal blocks) to TIA/EIA-568 standards for consistent data transmission is critical. Post-installation, the commissioning phase is paramount, involving several key steps. Initial verification includes checking all sensor connections, addressing, and communication with the control panel. Calibration involves adjusting light level set points (e.g., target foot-candles) within each zone to meet design intent and energy code requirements. This iterative process often utilizes a calibrated light meter (e.g., a hand-held Fluke or similar) to measure actual light levels and fine-tune sensor sensitivity and control algorithms. We conduct functional performance testing, simulating various natural light conditions to verify system response, dimming curves, and fade rates, ensuring smooth transitions and preventing noticeable light level fluctuations. Comprehensive documentation, including as-built drawings, programming parameters, and operational sequences, is provided upon completion.
Why Davis teams choose Access Cabling for daylight harvesting
Across Davis — from UC Davis to the surrounding Yolo County corridor — IT directors and facilities managers pick Access Cabling for the same reasons: a licensed C-10 / C-7 contractor (CSLB 992009), 28+ years of commercial lighting controls experience, BICSI-trained crews on-site, and Fluke DSX certification on every port. The result is a daylight harvesting install that a network engineer can drop into on day one — labeled, tested, and warranted for 25 years.
Powering UC Davis's Research & Education Ecosystem
The presence of UC Davis fundamentally shapes the commercial and institutional cabling needs throughout the city. This world-renowned institution drives a significant demand for advanced network infrastructure, not only within its own expansive campus but also for the research labs, spin-off companies, and educational support services that cluster around it. From dedicated fiber optic backbones connecting research facilities like the Genome Center to high-density CAT6A deployments in new academic buildings or student housing, Access Cabling is experienced in delivering the robust, high-bandwidth solutions critical for large-scale data transfer, specialized scientific instrumentation, and interactive learning environments. We understand the specific requirements for controlled environments, sensitive equipment, and the need for scalable pathways that anticipate future technological advancements inherent in a leading research university. Our work helps maintain the seamless connectivity essential for the groundbreaking work conducted every day at UC Davis, supporting everything from bioinformatics to agricultural sciences and veterinary medicine.
Sustainability Reporting and Verifiable Energy Performance Outcomes
Beyond the immediate energy savings, a key value proposition of daylight harvesting lies in its verifiable contribution to broader sustainability goals and corporate social responsibility (CSR) initiatives. This necessitates robust measurement, verification (M&V), and reporting capabilities that extend beyond simple energy meter readings. Access Cabling designs systems with integrated metering and data logging functionality that captures granular energy consumption data for electric lighting circuits, correlated with real-time daylight levels (photometry expressed in lumens per square meter or foot-candles) and occupancy patterns. We leverage platforms that can generate reports compliant with established energy performance standards, such as ASHRAE Guideline 14 for M&V or those required for green building certifications like LEED (e.g., EAp2 and EAc1 Optimize Energy Performance credits), BREEAM, or WELL Building Standard. This involves not only historical data aggregation but also baseline development and ongoing performance trending to quantify actual energy reduction relative to predicted savings. The system is configured to provide actionable insights, such as identifying zones where daylighting potential is underutilized or where controls may be over-responding, leading to unnecessary dimming or frequent cycling. Moreover, the environmental impact extends to reducing peak demand charges through load shifting, and lowering the heat gain from electric lighting, which subsequently reduces HVAC loads. Our documentation includes comprehensive M&V plans, outlining the methodology for data collection, analysis, and reporting, ensuring transparency and accountability for energy performance. We specify platforms that can export data in open formats (e.g., CSV, JSON via API) for integration with broader energy management information systems (EMIS) or building performance dashboards. This capability is critical for demonstrating return on investment (ROI), securing future investment in efficiency upgrades, and fulfilling stringent sustainability reporting requirements often mandated by regulatory bodies or shareholder expectations. The verifiable energy narratives enabled by these systems move beyond anecdotal evidence, providing concrete proof of environmental stewardship and operational efficiency derived directly from optimized daylight utilization.
