项目15815节金属管道新多哈国际机场metal ducts2ps.pdfVIP

NewDohaInternationalAirport

MetalDuctsRev--Date15May2015

SECTION15815–METALDUCTS

PART1–GENERAL

1.1RELATEDDOCUMENTS

A.DrawingsandgeneralprovisionsoftheContract,includingGeneraland

SupplementaryConditionsandDivision1SpecificationSections,applytothisSection.

1.2SUMMARY

A.ThisSectionincludesmetalductsforsupply,return,outside,andexhaustair-

distributionsystemsinpressureclassesfromminus500toplus2500Pa.Metalducts

includethefollowing:

1.Rectangularductsandfittings.

2.Single-wall,round,andflat-ovalspiral-seamductsandformedfittings.

3.Double-wall,round,andflat-ovalspiral-seamductsandformedfittings.

4.Ductliner.

B.RelatedSectionsincludethefollowing:

1.Division15SectionDiffusers,Registers,andGrillesforfactory-andfield-

fabricatedcasingsformechanicalequipment.

2.Division15SectionMechanicalInsulationforductinsulation.

3.Division15SectionDuctAccessoriesfordampers,sound-controldevices,duct-

mountingaccessdoorsandpanels,turningvanes,andflexibleducts.

4.Division15SectionAirTerminalsUnitsforconstant-volumeandvariable-air-

volumecontrolboxes,andreheatboxes.

5.Division15SectionHVACInstrumentationandControlsforautomaticvolume-

controldampersandoperators.

6.Division15SectionTesting,Adjusting,andBalancing”foradjustingand

balancingofair-distributionsystems.

1.3SUBMITTALS