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in Figures A-1 through A-5. Route and terminate HDPE or rigid conduit within the concrete pad such that no conductor exiting the conduit is bent past the vertical plane formed with the equipment pad when routed to conductor terminations and with approved insulated bushings (Figure A-1). UFS 3-550-01 05 June 2026 8 Figure A-1 HDPE or Rigid Conduit Electrical Equipment Transition UFS 3-550-01 05 June 2026 9 Figure A-2 Pavement Covered Area to Electrical Equipment Transition – Rigid Conduit (45˚–90˚) UFS 3-550-01 05 June 2026 10 Figure A-3 Pavement Covered Area to Electrical Equipment Transition – HDPE Conduit (20˚–45˚) UFS 3-550-01 05 June 2026 11 Figure A-4 Non-Pavement Covered Area to Electrical Equipment Transition – Rigid Conduit (45˚–90˚) UFS 3-550-01 05 June 2026 12 Figure A-5 Non-Pave
transitional areas as indicated in Figures A-6 and A-7. Perform the transition from HDPE to concrete manholes from pavement or non-pavement transitional areas as indicated in Figures A-8 and A-9. UFS 3-550-01 05 June 2026 14 Figure A-6 HDPE-to-PVC Pavement Covered Area Concrete Ductbank Transition UFS 3-550-01 05 June 2026 15 Figure A-7 HDPE-to-PVC Non-Pavement Covered Area Concrete Ductbank Transition UFS 3-550-01 05 June 2026 16 Figure A-8 HDPE-to-Manhole Pavement Covered Area Transition UFS 3-550-01 05 June 2026 17 Figure A-9 HDPE-to-Manhole Pavement Covered Area Transition UFS 3-550-01 05 June 2026 18 A-3 DOCUMENTATION. Record the location and depth of DB-installed HDPE electrical conduit on applicable as- built drawings. Use Global Positioning System (GPS) recording means with “resou
UFS 3-550-01 05 June 2026 UNIFIED FACILITIES SUPPLEMENT (UFS) APPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED EXTERIOR ELECTRICAL POWER DISTRIBUTION UFS 3-550-01 05 June 2026 FOREWORD Unified Facilities Supplements (UFS) provide non-mandatory, supplemental information in support of Unified Facilities Criteria (UFC). Only UFC establish enforceable criteria. UFS are For Information Only (FIO) and exist to help users understand and apply UFC requirements. The purpose of UFS is to offer procedural guidance, best practices, lessons learned, examples, and explanatory materials that clarify how to meet UFC criteria. They may include step-by-step procedures, checklists, illustrations, or decision aids, but they do not create new requirements or modify UFC content. UFS are developed by Discipli
ng or damaged conductors or components 50 Hz. Yes No 4-6.2.2 Repair or replace grounding and bonding system’s conductors and components to meet the BS 7671 (50 Hz) UFC 3-550-01. Grounding system DOES NOT meet NFPA 70 (60 Hz) and UFC 3- 550-01 OR is not present. Yes No 4-6.2.2 Install new grounding system per applicable code according to systems frequency. Grounding system DOES NOT meet BS 7671 (50 Hz) UFC 3- 550-01 OR is not present. Yes No 4-6.2.2 Install new grounding system per applicable code according to systems frequency. Grounding system is not present AND cannot be installed. Yes No 4-6.1.2 Do not use electrical system. UFS 1-201-02 28 July 2025 91 Additional Notes on Telecommunications System Issues and Mitigation Actions: UFS 1-201-02 28 July 2025 92 APPENDIX C AD
y for installing service equipment. Applicable criteria include UFC 3-501-01 for general electrical requirements, UFC 3-520-01 for interior electrical systems requirements, UFC 3-530-01 for interior and exterior lighting and controls requirements, UFC 3-550-01 for exterior power distribution systems requirements, UFC 3-560-01 for electrical safety and electrical O&M requirements, UFC 3-580-01 for building telecommunications requirements, and UFC 4-021-01 for mass notification systems requirements. Plumbing The simulator bay water supply requirements include an air conditioner maximum flow demand of 20 gallons per minute (GPM), a water supply maximum temperature of 45ºF (7ºC), and a water supply minimum and maximum pressures of 25 psi and 125 psi respectively. Applicable criteria include UF
pment Reconditioning Standard for Electrical Apparatus and Equipment used in Commercial and Industrial Applications (EERS). d. Any equipment requiring the use of a refurbished MCCB must be prioritized for replacement. 1-3.2 Hazardous Locations. Show boundaries of hazardous locations on the plans and identify the type of hazard by class, division, and group. UFS 3-501-01 05 June 2026 5 1-4 COMMUNICATIONS AND SECURITY. 1-4.1 Telecommunication Systems. General. Comply with UFC 3-580-01 for interior and exterior information communications technology. Outside Plant. Provide underground telecommunications wiring in conduit to a depth of 24 in (610 mm). Specify concrete encased conduits for telecommunications systems in accordance with UFC 3-550-01. Unless directed otherwise by the BCO, size outs
ATER LEVELS AND WITHDRAWALS (Based on bottom outlet tanks and a 10 percent residual) PRESSURE RANGE psi (kPa) HIGH WATER LEVEL (percent of total tank capacity) WITHDRAWAL (96% of total tank capacity) 20-40 (140-275) 43 33 30-50 (205-345) 38 28 40-60 (275-415) 34 24 50-70 (345-480) 32 22 60-80 (415-550) 28 18 20-45 (140-310) 48 38 30-55 (205-380) 42 32 40-65 (275-450) 37 27 50-75 (345-520) 35 25 60-85 (415-590) 32 22 UFS 3-420-01 05 June 2026 10 CHAPTER 4 DESIGN ANALYSIS AND DRAWING REQUIREMENTS Provide the following in addition to the design analysis and drawing requirements in UFS 3-401-01: 4-1 DESIGN ANALYSIS. The Design Analysis must consist of a Basis of Design Narrative and Calculations demonstrating compliance with all UFC requirements. 4-1.1 Basis of Design Narrative Requirements. I
Diameter Maximum Diameter Maximum Depth 30 ft (9 m) 140 ft (43 m) 16 ft (4.9 m) UFS 3-240-01 05 June 2026 13 7-2.2 Surface Overflow Rates. Table 7-2 Surface Overflow Rates Best Practices for Surface Overflow Rates Design Average Flow Design Peak Hourly Flow Primary Settling Tanks not receiving waste activated sludge Minimum Maximum Minimum Maximum 800 gpd/ft2 (33 m3/m2 d) 1000 gpd/ft2 (41 m3/m2 d) 1000 gpd/ft2 (41 m3/m2 d) 1500 gpd/ft2 (61 m3/m2 d) Tanks receiving waste activated sludge 550 gpd/ft2 (22 m3/m2 d) 700 gpd/ft2 (29 m3/m2 d) 800 gpd/ft2 (33 m3/m2 d) 1200 gpd/ft2 (49 m3/m2 d) UFS 3-240-01 05 June 2026 14 CHAPTER 8 MODIFICATIONS TO CHAPTER 80 SLUDGE PROCESSING, STORAGE, AND DISPOSAL 8-1 SECTION 81 GENERAL. Solids Process Design and Management provides guidance for processing slud
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