1 Architect’s Guide for Detailing & Specifying Access Floor Air Plenums Access Floors to the Power of Acces s Floors

2 ” “ Access floor air plenum integrity begins with proper design and specification.

Architect’s Guide for Detailing & Specifying Access Floor Air Plenums Plenum Integrity is one of the most important aspects of designing, constructing and maintaining an underfloor air delivery (UFAD) system. It is vital that the entire design and construction team does their part to ensure the underfloor plenum is sealed properly. This process starts with the architect. As the architect designing a building with a UFAD system you have the responsibility of providing specifications and details for constructing a plenum with proper sealing and integrity. Every contractor working in the plenum...

CSI Specifications for Consideration The following is Tate’s recommended access floor air plenum sealing specification language to insert into the CSI specifications for subcontractors. All of the specifications can be downloaded on-line at www.tateaccessfloors.com/products/architectural_details.aspx DIVISION 01 - GENERAL REQUIREMENT SPECIFICATIONS Pre-Bid & Pre-Construction Meetings: All sub-contractors intending to bid on or awarded work on the project are required to attend pre-bid and pre-construction meetings respectively. The purpose of these meetings is to review all air plenum specifications...

DIVISION 09 - FINISHES (WALLS) SPECIFICATION The wall contractor is aware that the space beneath the access floor will be used as an air delivery plenum and as such will take the necessary precautions when installing their work so as not to impact the integrity of the plenum space specific to air leakage and cleanliness. Any penetrations or holes in the underfloor plenum created for or resulting from the work performed by the wall contractors are required to be properly sealed to prevent air leakage. DIVISION 09 - FINISHES (ACCESS FLOORING) SPECIFICATION The access floor contractor is aware that...

Base Building Core & Shell Sealing Details A) PERIMETER SEAM ALONG SLAB AND EXTERIOR WALL 6 Construction Details for Consideration The following are typical sealing details that should be considered to ensure UFAD plenum integrity. All of the details can be downloaded on-line at: www.tateaccessfloors.com/products/architectural_details.aspx Underfloor Air Sealing Locations PLAN VIEW WITHOUT ACCESS FLOOR

7 C) DRYWALL PARTITION CONDITION B) ENCLOSED COLUMN SEAM AT SLAB LINE D) BASE OF STAIRS ON BUILDING SLAB

G) EXPANSION JOINT IN CONCRETE DECK E) TOP OF STAIR INTERFACE WITH CONCRETE DECK F) ELEVATOR SHAFT BELOW ACCESS FLOOR LINE 8

9 HVAC System Sealing Details H) OPENING IN SLAB FOR VERTICAL DUCTS I) OPENING IN PLENUM WALLS FOR DUCTS

Electrical System Sealing Details l) CONDUIT THROUGH PLENUM WALLS 10 Plumbing Sealing Details J) PIPE PENETRATION THROUGH CONCRETE DECK K) PIPE PENETRATION THROUGH PLENUM WALLS

11 M) OPEN ENDS OF CONDUIT IN THE PLENUM SPACE Voice/Data System Sealing Details N) CABLE PENETRATIONS THROUGH PLENUM WALL WITH CABLE SLEEVE

12 Access Floor Sealing Details 1) PLENUM DIVIDERS Access Floor Air Sealing Locations PLAN VIEW WITH ACCESS FLOOR INSTALLED

3) PENETRATIONS THROUGH PLENUM DIVIDERS 4) PERIMETER SEAM WITHOUT WALL BASE 13 2) AIR HIGHWAYS

14 6) PERIMETER SEAM AT NON-SMOOTH WALLS & COLUMNS 7) ACCESS FLOOR SEAL AT FASCIA / EXPOSED EDGE 5) PERIMETER SEAM WITH WALL BASE

9) PERIMETER SEAM AT TOP OF STAIR LANDING 10) PERIMETER SEAM AT BASE OF STAIR LANDING 15 8) ACCESS FLOOR SEAL AT FASCIA / EXPOSED EDGE

16 13) PERIMETER SEAM AT CURB WHERE FLOOR COVERING IS CONTINUOUS 12) PERIMETER SEAM AT FIRE BARRIER BELOW DOOR THRESHOLD 11) PENETRATION IN WALL THROUGH ACCESS FLOOR

17 15) CABLE CUTOUTS & GROMMETS 16) POWER, VOICE/DATA DISTRIBUTION BOXES IN ACCESS FLOOR PANELS 17) PIPE PENETRATION THROUGH ACCESS FLOOR 14) PERIMETER SEAM AT CURB WHERE FLOOR COVERING IS NOT CONTINUOUS

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