Topics include organizational analysis, strategic planning, multi-organizational management issues, and evolving governance structures.
Electrical and power systems. Consulting - Specifying Hcs430 master, Retrieved from https: Please cite all quotations, facts, and ideas that are not your own original work. Electrical and power systems Anonymous. Consulting - Specifying Engineer ; Denver Dec When upgrading the electrical systems, one also has to take into consideration the adequacy of the existing system's spare capacity and ability to support new systems.
Meanwhile, Robert Jones Jr. FULL TEXT It's hard to think of an engineering project with higher standards than a hospital or health care facility-successfully designed and installed systems can literally be a matter of life and death.
Emergency, standby, and backup power systems are key to these mission critical facilities. In general, working in an existing building presents more difficulties than designing new buildings primarily because of many reasons: When upgrading the electrical systems, we also have to take into consideration the adequacy of the existing system's Hcs430 master capacity and ability to support new systems.
On a recent project we completed for the University of Maryland Medical Center, we needed a new amp feeder to provide adequate power for new computed tomography CT equipment.
During construction, we found out that the panel that was originally designated to handle the new feeder was not adequate. Equipment supported by that panel had been temporarily disconnected the day the readings were taken. As a result, we needed to bring in power from a substation located farther away from the actual project.
COM Page 1 of 6 diagram drawings of the existing system. One of our hospital clients purchased an existing ,sq-ft speculative office building with the intent to move in clinical services.
The main driver for the additional electrical service was the desire for an immediate care clinic and an imaging suite, which contained fluoroscopy, MRI, CT, C-arm, bone densitometry, mammography, and ultrasound.
The challenge of providing new service gear and metering in an existing building that was built to maximize rentable square footage proved very challenging and required careful coordination with the utility and existing building tenants as well reconfiguration of spaces and repositioning of existing building loads.
Many older facilities or portions thereof were wired with a single emergency distribution system. Any significant remodel will require those to be broken in life safety, critical, and equipment branches. This cost can be significant. We recommend that all of our clients have a campus MEP master plan to make all of those items known prior to renovation of those areas.
It involves the relocation of the medium-voltage distribution feeders serving the facility to allow for the expansion to take place. Implementing the relocations has been difficult as it involves understanding of structural footings, mechanical systems, keeping the facility operational, and future planning.
As with any facility in existing operation, the last thing the personnel operating the facility want to hear is that there will be a power disruption for a number of hours.
Many hours of design were spent on the minimization of these disruptions and how to best implement them without going over the project budget. An additional challenge encountered often is selective coordination [http: Many existing building electrical systems were not designed for selective coordination.
Connecting new distribution components to these existing systems creates the challenge of how to comply with code without replacing a large amount of the distribution system.
Generally, there is no clear-cut answer to this issue; at a minimum the issue should be addressed with the owner and the authority having jurisdiction AHJ during the design phase.
What low- and medium-voltage power challenges have you overcome? As mentioned previously, disruption of medium-voltage systems can have a wide-ranging effect on the facility, especially when those systems are the essential systems.
Finding alternate routes to refeed equipment for shorter disruptions was the main concern, but other concerns included keeping the ability to properly allow for testing in the future of all systems, and routine maintenance, with the knowledge of NFPA 70E requirements and minimization of fault currents to keep maintenance personnel safe.
This typically involves multiple switching arrangements from alternate sources, bypass transfer switches, maintenance switches for minimization of fault currents, and numerous short circuit and coordination studies.
The older the facility, the more difficult it is to come up with solutions for the client that are cost-effective and still comply with the more recent codes involving selective coordination and arc flash minimization.
What types of renewable energy systems have you recently specified in one of these projects? This may include photovoltaics, geothermal systems, wind turbines, etc.
I recently worked on a 3-MW photovoltaic PV system for a hospital which has yet to be implemented. Some of the difficulties involved with PV design for these facilities are the structural integrity of the building and loading of the PV cells, the collection systems, routing of the dc to combiners, and implementation into an existing distribution system in accordance with the local utility company requirements.
What unique lighting and daylighting requests have you fulfilled in recent hospital projects?
COM Page 2 of 6 Jones: In some jurisdictions daylighting is now required to be an automatic function and is becoming easier to implement with the standard LED drivers and the ability to include photocells and dimming into the lighting fixture specified.acquisition backup master server, will help to take the online backup in the server free, and hcs Education on your terms/ skybox2008.com - For more course tutorials visit skybox2008.com Tutorial Purchased: "A Tutorial" is the property of its rightful owner.
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