04.01.2013 Views

TranSystems Corporation - LGM Construction

TranSystems Corporation - LGM Construction

TranSystems Corporation - LGM Construction

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

501070099 Federal Express Oakland Sort Expansion Issued for Bid 10/11<br />

A. Install duct wrap insulation with facing outside so that tape flap overlaps insulation and facing at<br />

other end of piece of duct wrap. Tightly butt ends and edges. Care shall be taken to not<br />

excessively compress duct corners. Seams shall be stapled 6 inches on center with outward<br />

clinching staples, then sealed with pressure-sensitive tape to match facing.<br />

B. Where rectangular ducts are 24 inches wide or greater, additionally secure insulation to the bottom<br />

of the duct with mechanical fasteners, such as pins and speed clip washers, spaced 18 inches on<br />

center.<br />

C. Seal all tears, punctures, and other penetrations of the duct wrap insulation facing with tape or<br />

mastic to provide a vapor-tight system.<br />

3.5 INSULATION SPECIFICATION NO. 10 FLEXIBLE ELASTOMER - SHEET<br />

A. Apply sheet insulation as required to conform to contour. Adhere insulation with full adhesive<br />

coverage on both the insulation and surface. Butt edges tightly with adjacent sheets. Seal butt<br />

edges with adhesive.<br />

3.6 PVC SHEET JACKET<br />

A. Jacket shall be secured in place by using the manufacturer's recommended welding adhesive to<br />

adhere all longitudinal and end laps and seams to give a 100 percent moisture-proof covering.<br />

INSULATION 15250-5

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!