![]() Note: this document is based on knowledge available at the time of publication and is meant for general purposes, not for reliance on in relation to specific technical or legal issues, in which case you should always seek independent advice. Publishing History: First Edition (1998) Second Edition (2013)įurther copies of this publication are available from:ī&ES Publications old Mansion House, Eamont Bridge, Penrith, cumbria, cA10 2BX tel: 01768 860405, Fax: 01768 860401 Email: DW144 (11112) Dec13 PART 1_Layout 1 16:05 ĭW/144 Specification for Sheet Metal Ductwork Low, medium and high pressure/velocity air systems 2013 copyright © 2013 by the Building & Engineering Services Association All rights reserved iSBn 978-0-90 Licensed copy from CIS:, HOARE LEA & PARTNERS,, Uncontrolled Copy. ![]() DW144 (11112) Dec13 PART 1_Layout 1 16:05 īuilDing & EnginEEring SErvicES ASSociAtion ![]()
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