26 32 00.pdf
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Summary
This is a Design Criteria and Facility Standards Manual document issued by the University of Maryland, College Park (UMCP) establishing standards for emergency power system design and installation across the institution's facilities. The document outlines mandatory requirements for emergency power units serving critical systems including fire alarms, security systems, emergency lighting, telephone service, and UFAMS. The standards require that all mechanical and electrical rooms with disconnecting or air-handling equipment maintain 50 percent of connected lighting on emergency circuits, and designers must calculate generator capacity based on connected loads plus 20 percent spare capacity for future expansion. Generator systems must include automatic transfer switches, manual bypass controls, start/stop control systems, remote alarm annunciators, battery chargers, and related accessories. The document specifies that natural gas is the preferred fuel source followed by fuel oil and propane, with designers required to coordinate air permitting requirements with UMD's Environmental Health and Safety and Risk Management (ESSR) department during the design phase. Effective January 1, 2023, these standards apply to all new construction projects and must be approved by UMD project management before design inclusion.
The document establishes detailed technical and operational requirements including specifications for isochronous governors when natural gas fuel is used with maximum total harmonic distortion of 5 percent, leak detection and remote alarm monitoring for fuel oil storage systems, and weather-protected enclosures meeting noise abatement standards. Generator rooms must provide sufficient space for maintenance and repairs with access doors large enough to permit equipment removal without dismantling, and overhead emergency lighting is required in generator areas during operation. Additional requirements address generator positioning to minimize noise impact to occupied spaces and adjacent buildings, exhaust design to prevent air handling system contamination, selective coordination of overcurrent protective devices, and installation of raised modular platforms with slip-resistant surfaces and guardrails for diesel generators with base tanks raising the enclosure platform more than four feet above grade. All designs must coordinate with existing generators to maximize utilization of current equipment and ensure acceptable generator voltage and frequency performance during motor starting transient conditions.
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Other files
| File | Type | Posted |
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| Attachment 3 Page.pdf | ||
| 26 09 00.pdf | ||
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| Attachment 4.pdf | ||
| 26 32 00.pdf | ||
| 33 71 00.pdf | ||
| Additional Drawings.zip | ZIP file | |
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| AMENDMENT 002- RFP 00042061.pdf | ||
| Attachment 7.pdf | ||
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| AMENDMENT 001 - RFP 00042061.pdf | ||
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| AMENDMENT 004- RFP 00042061.pdf | ||
| AMENDMENT 003- RFP 00042061.pdf | ||
| Attachment 5.pdf | ||
| Attachment 6.pdf | ||
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| RFP No. 00042061 Rooftop solar PV v2.pdf | ||
| Attachment 7- Proposer Submission Checklist (3).xlsx | XLSX spreadsheet | |
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| Attachment2.pdf | ||
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| 26 51 00.pdf | ||
| Attachment 1.pdf | ||
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| 33 71 00.pdf | ||
| 33_00_00.pdf | ||
| 26 05 00.pdf | ||
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Text version
Emergency Power 26.32.00
Design Criteria/Facility Standards Manual Page 1 University of Maryland, College Park
Description:
The purpose of the section is to highlight the current applicable UMD Design Standards for the design, selection and installation of Emergency Power Units.
Related Sections:
● 26 32 00 Lighting - Interior
● 26 09 00 Electrical Controls
Effective Date:
January 1, 2023
Applicable Standards:
● NFPA 110
● 40 CFR Part 70 - State Operating Permit Programs
● COMAR 26.11- Air Quality
● UMD –ESSR: https://essr.umd.edu/air-quality-permitting-fact-sheet
Special Requirements:
Due to specific O&M requirements associated with power generation systems, their designed inclusion into any new UMD project should not be assumed. The incorporation of any type of supplemental emergency power generation system into any new construction project must be confirmed/approved by UMD project management before its design inclusion.
The start-up and commissioning of any fuel powered generation system requires review and permit approval by the UMD ESSR department. Notification of any pending design and installation must be addressed separately from UMD P&C. Contact the assigned UMD PM for coordination.
General Requirements:
● Emergency power for the following systems is required:
● Fire Alarm
● Security
● Emergency Lighting
● Telephone Service
● UFAMS
● Other systems as may be needed and/or identified by the University.
Lighting equipment pertaining to code required illumination shall be also supported by an emergency generator.
All mechanical and electrical rooms having disconnecting or air handling equipment shall have 50% of connected lighting served by an emergency circuit. All lighting shall be switchable at entry to room.
Where applicable, new loads shall be connected to existing generators to maximize the use of existing equipment. All laboratories utilizing chemicals shall be provided with emergency lighting.
● Designers are to calculate the size/load of the power generator system based upon the connected load include any alternate plus 20 percent should spare capacity for future expansion.
● Designer shall also coordinate and evaluate load sequencing and motor starting impacts to verify acceptable generator voltage and frequency performance during transient conditions.
● Provide for and show a generator set with automatic transfer switch, manual by-pass, start/stop control system, remote alarm annunciator, battery charger, and other accessories for a complete working system.
● Fuel to power the generator shall be selected on the basis of cost and availability with a preference for natural gas followed by fuel oil and propane gas. Review air permitting requirements with UMD ESSR during design phase of project – those permitting requirements vary based on the fuel selected.
● Where Natural Gas is utilized as the fuel source, provide a Isochronous Governor for constant frequency with a Max THD = 5%.
● When fuel oil is utilized, fuel storage systems shall include leak detection and remote alarm monitoring and all piping outside the tank to be double wall with leak detection.
https://essr.umd.edu/air-quality-permitting-fact-sheet
Emergency Power 26.32.00
Design Criteria/Facility Standards Manual Page 2 University of Maryland, College Park
● Additionally, designers are required to:
● Incorporate a weather protected enclosure that meets noise abatement standards adequate for the project and any adjacent to buildings.
● Position/select a location that minimizes noise impact to programed spaces within the building, as well as adjacent existing buildings.
● Design generator exhaust as to not discharge in a fashion to causes it to enter any building's air handling system, into pedestrian walkways or near building entrances.
● Generator overcurrent protective devices shall be selectively coordinated with downstream devices and coordinated with generator alternator thermal damage characteristics.
● Generator rooms/areas must be large enough to enable repairs. Room access doors must be large enough to permit removal and replacement of the generator without having to dismantle the generator in any way.
● The generator shall be designed to run for several hours while the building is in use/occupied; therefore, the generator must be properly exhausted and sound-proofed so as not to interfere with the building's usage.
● Overhead lighting (on an emergency circuit) is required in the generator room or within the weather protected enclosure (exterior) while the generator is operational.
● Generator Access for Maintenance:
● Diesel generators that utilize a base, sub-base, or subbase tank (belly tank) in where it raises the bottom platform of the generator enclosure greater than four feet, shall have a raised modular stair or ladder platform installed.
● The platform shall have slip resistant surfaces, guardrails and be made of aluminum or steel.
● Platform shall be grounded and bonded per National Electrical Code as well as any amendments enforced by local code standards.
| Description: |
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| Effective Date: |
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