Hanging duct from steel corrugated roof deck drrtu mechanical 30 oct 17 16 48 smacna 3rd addition 2005 hvac duct construction standards has an upper attachments figure 5 2 but you will need a detail design information of point loading of the deck and transfer to the bj or other structure.
Steel roof to hang hvac.
Regarding the steel straps that are used to connect some attic hvac units to the rafters i see varying amounts of fasteners holding the steel straps to the rafters.
Strut knuckleheads are engineered to accommodate steel or aluminum channel which can be configured to support all types of hvac equipment such as air conditioning units and multiple conduit lines or for installing solar arrays at proper angles.
This poorly painted steel diving platform stair experienced heavy corrosion due to direct wetting.
Sometimes i see 3 nails sometimes 2 nails sometimes 1 and some time sheet metal screws see the photos.
All other piping may be supported by inserts or beam clamps with sufficient holding capacity to support twice the calculated dead load.
Positioned asc steel deck as a leader in the industry.
Deck lengths can be varied to suit job conditions but because of shipping considerations are usually less than 40.
Steel deck is made by cold forming structural grade sheet steel into a repeating pattern of parallel ribs.
Mild steel is a material that is immensely strong.
Take a circular bar of steel 1 inch 25mm in diameter.
Height extensions up to 18 are available.
Offering a full line of steel deck products asc steel deck is the only steel deck manufacturer on the west coast which offers a full line of light gage structural and deep deck products.
If you were to attach this bar securely to your ceiling you could hang from it 20 000 kg which is 20 tons or any one of the following.
Most steel construction is done with a type of steel called mild steel.
Field testing requires the building be positively or negatively pressurized using blower door fans or manipulating the hvac system to force air to leak through any air barrier discontinuities in the building enclosure.
Supported directly from steel beams or by means of auxiliary steel furnished and installed by the hvac contractor.
The use of expansion bolts should be avoided in new.
From the typical 1 to 3 roof and composite floor deck to concrete form.
I beam clamps should not be used.
Hook mount hangers a versatile solution for temporary hanging of pipe and tubing at work sites as well as anywhere welding and fastening are not possible.
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Whether you re suspending rectangular spiral oval duct vav boxes or vrf systems our hangers and supports are installed on sites across the globe ensuring an efficient and versatile solution for suspending electrical services available in a variety of sizes and delivered as custom kits with ready cut lengths of cable and a wide range of pre crimped end fixings to suit all structures we.