 |
Job Profiles
The examples below represent a small cross section of the work performed by SEI's Power Services Team:
| Long Distance Service Provider |
| PROJECT |
| Installation of a DC plant, paralleling to an existing battery and cable out to secondary distribution bays. |
| |
| LOCATION |
| West Orange, NJ |
| |
| SCOPE OF WORK |
The Terminal operation required additional distribution via the addition of a stand alone DC plant, paralleled to an existing battery plant. The system consisted of a Main power board, 4 400 amp rectifiers, cable ladder and cabling, via EMT conduit, from the Power room area to the distribution bay in the Terminal area.
- Arranging equipment on site to local conditions.
- Providing 480 volt A.C. feed to rectifiers.
- Providing all miscellaneous hardware.
- Bringing system on line live, without interruption of service.
- Turning system over to MCI and testing to their standards.
|
| |
| COMMENTS |
| This project was undertaken in an emergency situation with completion required within very stringent time frames. This was done successfully. |
Return to top...
| Long Distance Service Provider |
| PROJECT |
| Installation, interconnection and commissioning of central office DC power system including design and manufacture of DC collector bus system and assisting customer with system engineering. |
| |
| LOCATION |
| Dallas, Texas. New technical operations center in downtown office building. |
| |
| SCOPE OF WORK |
The central office power system for this project consisted of five 400 amp rectifiers, two 2500 amp primary power boards, two battery plants and two supplemental power bays. Interconnection of these components was by a 10,000 amp collector bus system. This project included:
- Designing the collector bus system and producing manufacturing drawings.
- Subcontracting the manufacture of the copper bus and inspection of finished product.
- Procuring all interconnecting and termination hardware.
- Consolidation of all equipment including customer supplied equipment, shipping the equipment and receiving on site.
- Installation of complete system.
- Performing commissioning and acceptance tests of entire system.
- Interfacing with the City of Dallas Electrical Inspection and Fire Marshall’s offices and complying with their requirements with respect to installation and inspection.
|
| |
| COMMENTS |
| This job was won on a competitive bidding basis. The project was successfully completed without incident. SEI was subsequently awarded a nationwide maintenance contract for the power equipment installed at Cable and Wireless Communications, Inc. facilities. |
Return to top...
| Long Distance Service Provider |
| PROJECT |
| Replace old rectifier and wet cell battery system with modular rectifier system and VRLA batteries in 27 regenerator sites throughout the Western Region. |
| |
| LOCATION |
| Utah, Wyoming, Idaho, Nevada, California |
| |
| SCOPE OF WORK |
During low traffic hours, remove old rectifiers and wet, lead acid batteries and replace with more modern equipment. Each site is to maintain full operability and back up integrity. The methods employed were:
- Hook up customer supplied AC and DC mobile power system.
- Remove 1 of 2 old rectifiers.
- Install 3 50 amp rectifiers in modular system.
- Remove second old rectifier.
- Remove old wet cell battery.
- Install VRLA battery.
- Re-cable battery and rectifier system.
- Ground all equipment.
- Arrange disposal of old batteries and rectifiers.
|
| |
| COMMENTS |
| The primary activity of this project was of a logistical nature. Traveling, transportation of equipment, and delivery were achieved smoothly and in a timely manner. Subsequently, SEI was awarded further routes with similar results. |
Return to top...
| Enterprise PBX user |
| PROJECT |
| Engineer, furnish and install battery back-up system for new PBX and existing data processing equipment. |
| |
| LOCATION |
| Baltimore, Maryland; the building was a newly renovated downtown high rise. |
| |
| SCOPE OF WORK |
SEI was engaged to size the customers PBX power requirements and to determine the actual power requirements of a multitude of low powered data processing equipment. Once our recommendations were submitted and appraised, SEI was selected to engineer, furnish and install the necessary UPS system and associated battery plant. The task included:
- Calculating, measuring and estimating the total power requirements of the combined systems.
- Specifying the UPS and Battery.
- Designing the electrical service and distribution system.
- Coordinating with the customers electrical contractor, facilities engineer, data processing manager and telecommunications manager.
- Detailing the layout of the power system.
- Procuring and pre-testing all equipment.
- Installing and testing the complete system.
- Assisting with the cut-over to the new PBX system.
|
| |
| COMMENTS |
| The project was successfully completed. SEI’s calculation of the total load, some of which was based upon "best estimates," was within five percent of actual. SEI was subsequently contracted by the customer to engineer, furnish and install a further UPS system for another location. |
Return to top...
| Enterprise user |
| PROJECT |
| Assisting customer with the engineering and installation of the battery back up systems for a two year project involving the upgrade of the telephone switches at seventeen locations. |
| |
| LOCATION |
| New York City and surrounding area; systems are located in existing Con. Ed. facilities. |
| |
| SCOPE OF WORK |
The customer has existing DC plant (some of which was SEI supplied or installed) that is supporting their PBX’s. They are installing new PBX’s and SEI is assisting the customer with the engineering and installation of the upgraded power systems. This includes:
- Surveying existing sites and equipment.
- Attending planning meetings with customer and PBX vendor.
- Engineering necessary changes.
- Sizing and providing cabling and distribution hardware.
- Providing and installing UPS’s to support peripheral equipment.
- Testing and cut-over of upgraded systems.
|
| |
| COMMENTS |
| This project is ongoing. SEI was selected for the engineering and installation support because of our past performance with both the customer and the telephone switch vendor. SEI is being engaged to perform routine and emergency maintenance on the systems as they come on line. |
Return to top...
|
|
|
For order information or technical support contact us at
>> 800-765-4734 |
|
