GR 2930 CORE : ISSUE 2
Current
The latest, up-to-date edition.
NEBS: RAISED FLOOR GENERIC REQUIREMENTS FOR NETWORK AND DATA CENTERS
12-01-2013
Contents
Preface
1. Introduction
1.1 Purpose and Scope
1.2 Metric Conversions
1.3 Requirements Terminology
2. Raised Floor System Criteria
2.1 General
2.1.1 Dimensional Criteria
2.1.1.1 Finished Floor Height
2.1.1.2 Panel Dimensions
2.1.2 Floor Access
2.1.3 Floor Loading
2.1.4 Component Construction
2.1.5 Workmanship
2.2 Components of the Raised Floor
2.2.1 Floor Panels
2.2.1.1 Construction
2.2.1.2 Strength
2.2.1.2.1 Earthquake Zones 0,1,
and 2
2.2.1.2.2 Earthquake Zones 3 and
4
2.2.1.3 Rolling and Impact
2.2.1.3.1 Earthquake Zones 0.1.
and 2
2.2.1.3.2 Earthquake Zones 3 and
4
2.2.1.4 Surface
2.2.1.5 Finish
2.2.1.6 Marking
2.2.2 Pedestals
2.2.2.1 Size
2.2.2.2 Construction
2.2.2.3 Heads
2.2.2.4 Strength
2.2.2.5 Fastening
2.2.2.6 Leveling
2.2.3 Stringer Criteria
2.2.3.1 Construction
2.2.3.2 Strength
2.2.3.3 Fastening
2.2.3.4 Finish
2.3 Components of Structural Platforms
2.4 Steps, Railings, and Other Requirements
2.4.1 Steps
2.4.2 Railings
2.4.3 Ramps
2.4.4 Fascia
2.4.5 Panel Lifting Tools
3. Physical and Electrical Protection Criteria
3.1 Fire Resistance
3.1.1 Flame Spread
3.1.2 Radiant Heat Flux
3.1.3 Ignitability
3.2 Electrical Characteristics
3.2.1 Surface to Pedestal Base Resistance
3.2.2 Surface Resistance
3.3 Adhesives and the Use of Volatile Organic
Compounds
4. Test Methods
4.1 Earthquake Tests
4.1.1 Structural Platforms
4.2 Acceptance Criteria
5. Installation Considerations
5.1 Suggested Raised Floor Compounds
5.2 Equipment Fastening
5.2.1 General Considerations for Equipment
Fastening
5.3 Installation Considerations
5.3.1 General Considerations of the Raised Floor
Environment
5.3.2 Installation of the Raised Floor
5.3.2.1 Workmanship
5.3.2.2 Clearances
5.3.3 Cable and Cable Rack Installation
5.3.3.1 Cable Routing
5.3.3.2 Cable Racks
5.3.4 Fire Protection
5.4 Bonding and Grounding
Appendix A: Typical Method of Computing Floor Loading
Appendix B: Suggested Raised Floor Components
B1 Suggested Raised Floor Components
B2 Equipment Fastening Considerations
References
Acronyms
Figures
Tables
Gives generic engineering requirements for raised floor systems that, if implemented, will provide raised floor.
DevelopmentNote |
Included in FR NEP 01. (08/2011) To be read in conjunction with GR 63 CORE. (07/2012)
|
DocumentType |
Standard
|
PublisherName |
Telcordia Technologies
|
Status |
Current
|
GR 1275 CORE : ISSUE 2010 | CENTRAL OFFICE/NETWORK ENVIRONMENT EQUIPMENT INSTALLATION/REMOVAL GENERIC REQUIREMENTS |
GR 63 CORE : ISSUE 5 | NEBS REQUIREMENTS: PHYSICAL PROTECTION |
GR 1089 CORE : ISSUE 7 | ELECTROMAGNETIC COMPATIBILITY AND ELECTRICAL SAFETY - GENERIC CRITERIA FOR NETWORK TELECOMMUNICATIONS EQUIPMENT |
GR 3160 CORE : ISSUE 2 | GENERIC REQUIREMENTS FOR TELECOMMUNICATIONS DATA CENTER EQUIPMENT AND SPACES |
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