Duct construction to conform to the appropriate smacna publications.
Smacna duct support details pdf.
This limitation of liability applies even if smacna has been advised of the possibility of such damages.
A comprehensive duct layout indicating sizes design airflows pressure class and routing of the duct system.
Smacna hangers and supports october 2019 183.
Typical vertical supports per local building code must be used.
Download view smacna hangers and supports as pdf for free.
Details provide lateral bracing system.
Disclaimer of warranties a the sheet metal and air conditioning contractor s national association smacna provides its product for informational.
Mss sp89 pipe hangers and supports december 2019 145.
If the designer does not designate pressure class for duct construction on the contract drawings the basis of compliance with the smacna hvac duct construction standards is as follows.
Smacna detail for roof duct supports pdfsdocuments2 com april 23rd 2018 smacna detail for roof duct supports pdf free download here section insulating duct at supports detail 1 http www polyguardproducts com products mechanical details 81 20insulating 20duct 20at 20supports 201 kinetics pipe amp duct seismic application manual.
New duct inside dimensions.
The types of fittings to be used based on the designer s calculations of fitting losses i e square versus 45 entry taps conical versus straight taps etc.
Information required for duct construction 1.
2 500 pa w g.
Smacna s product or modification of data therein.
Width x depth existing duct to remain louver louver specified in architectural fire damper fd vd duct with sound lining flexible ductwork insulated manual volume damper existing duct to be removed vibration or seismic scale.
Download view smacna hangers and supports as pdf for free.
Smacna cad standard second edition v notice to users of this publication 1.
The types of fittings to be used based on the designer s calculations of fitting losses i e square versus 45 entry taps conical versus straight taps etc.
Thermal expansion not given but must be considered.
In no event shall smacna s liability exceed the amount paid by user for access to smacna s product or 1 000 00 whichever is greater regardless of legal theory.
For all ducts between the supply fan and variable volume control boxes and 1 250 pa w g.
Located in headquarters outside washington d c the sheet metal and air conditioning contractors national association smacna an international association of union contractors has 1 834 members in 103 chapters throughout the united states canada australia and brazil.