S02 - Exhibit 5 - 537-24-105_PG-18-10 Section 4.2.13 SURGERY Lighting.pdf
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- Attached to
- Z2DA--537-24-105 OR Suite Lighting Replacement Federal contract opportunity
- Solicitation number
- 36C25225B0018
About this file
This document is a detailed technical specification for surgery/operating room lighting guidelines from the Department of Veterans Affairs (VA). The document provides comprehensive design parameters for operating room lighting, including specific requirements for:
Illumination levels (ambient, task, and surgical field lighting), with precise measurements ranging from 500 lx in the control room to 15000 lx in the surgical field. Key technical specifications include color temperature (4100 degrees for fluorescent, 4000 degrees for LED), color rendering index minimums, and power source requirements. The guidelines mandate fully dimmable lighting, sealed and UL-listed luminaires compatible with medical equipment, and specific coordination with surgical light placements. Recommended luminaire types include recessed sealed ceiling-mounted fluorescent/LED luminaires and surface-mounted under-cabinet task lights, with critical emphasis on matching color temperature and rendering characteristics across all lighting elements.
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Text version
CHAPTER 4: PATIENT AREAS LIGHTING GUIDELINES
4.2.23
4.2.13 SURGERY/OPERATING ROOM
DESIGN PARAMETERS:
(1) Average Maintained Illumination - Ambient: 2000 lx (200 FC) at 3’-0” AFF
(2) Average Maintained Illumination - Task:
• Surgical Table: 3000 lx (300 FC) on surface of the table
• Control Room: 500 lx (50FC) at 2’-6” AFF
• Surgical Field: 15000 lx (1500 FC), (see Specific Coordination Issue #4)
(3) Uniformity Ratio (avg / min):
• Ambient: 2:1
(4) Color Temperature (CCT):
• Fluorescent: 4100 degrees, or matching the surgical light CCT
• LED: 4000 degrees, or matching the surgical light CCT
(5) Color Rendering (CRI):
• Fluorescent: minimum of 80 and minimum R9 of 90
• LED: minimum of 80 and minimum R9 of 90
(6) Power Source:
• Normal
• Critical branch of the EES
• Each luminaire above the surgery table shall be designed with 50% integral emergency power battery packs
DESIGN APPROACH:
A combination of ambient, surgery, and task illumination should be provided to reach desired illumination levels. The use of fully dimmable lighting luminaires provides medical staff with the flexibility required for procedures. Color rendering and temperature are particularly important.
RECOMMENDED LUMINAIRES:
(1) Recessed sealed ceiling-mounted fluorescent or LED lensed luminaires.
(2) Recessed sealed ceiling-mounted LED downlight.
(3) Surface-mounted sealed fluorescent or LED under-cabinet task light (if not provided with pre-fabricated furniture system).
CHAPTER 4: PATIENT AREAS LIGHTING GUIDELINES
4.2.24
CONTROL APPROACH:
(1) All lighting shall be fully dimmable to provide flexibility during preparation, procedures, and clean-up.
(2) Coordinate location of room and medical equipment light control stations and provide station at door.
(3) Refer to the ASHRAE 90.1 – Chapter 9 - Section 9.4.1.1 Interior Lighting
Controls – for additional controls.
SPECIFIC COORDINATION ISSUES:
(1) Operating rooms require surgical lights. Coordinate placement with casework and equipment layouts. Ensure room light luminaires match the CCT and CRI of surgical lights.
(2) Luminaires shall be enclosed and sealed, UL listed for wet locations and have the ability to be wiped down with corrosive cleaners.
(3) Luminaires shall meet the requirements for Electromagnetic Interference/Compatibility (EMI), and Radio Frequency Interface (RFI).
(4) Surgical light (single or multiple light heads mounted on swivel arms) provides task illumination for complex and delicate surgical tasks within the surgical field. In construction projects, surgical lights are normally specified and furnished by VA, installed and connected by the contractor. Task illumination of surgical field is shown for reference only. A/E shall not include surgical lights in lighting calculations for ambient and other task illuminations.
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