Hangers, Supports, Rods & Trapeze

203 records, red lane first.

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A drop-in anchor hole was drilled too shallow
Field problem · 4th Year
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A duct hanger strap is held by one zip screw
Field problem · 4th Year
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A hanger rod only catches a couple threads in the nut
Field problem · 4th Year
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A large louver is only held by trim flanges and the frame bows in wind
Field problem · 4th Year
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A sloped spiral duct run slides downhill in loop hangers
Field problem · 4th Year
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A threaded rod coupling strips out
Field problem · 4th Year
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A vertical duct riser is supported by light straps or wall studs
Field problem · 4th Year
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A vertical spiral riser is slipping and crushing fittings
Field problem · 4th Year
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An angled hanger strap is cutting on a 45-degree duct run
Field problem · 4th Year
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Anchor Type for Concrete vs Steel vs Deck
Field problem · 4th Year
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Anchor Type for Concrete vs Steel vs Deck
Foreman script · 1st Year
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Attaching Hangers To Structure
Field problem · 4th Year
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Attaching Hangers To Structure
Foreman script · 2nd Year
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Beam Clamp Selection and Orientation
Field problem · 4th Year
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Beam Clamp Selection and Orientation
Foreman script · 1st Year
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Beam Clamps And Load Rating
Field problem · 4th Year
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Beam Clamps And Load Rating
Foreman script · 2nd Year
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Can HVAC duct be supported from acoustic ceiling grid wires?
Apprentice question · 1st Year
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Can a vertical duct riser be supported from light-gauge studs or straps?
Apprentice question · 3rd Year
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Can hanger straps be run at a 45-degree angle on sloped duct?
Apprentice question · 2nd Year
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Can you drill hanger anchors in a post-tension no-drill zone?
Apprentice question · 3rd Year
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Concrete Anchors For Hangers
Field problem · 4th Year
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Concrete Anchors For Hangers
Foreman script · 3rd Year
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Duct is installed in a pool, natatorium, or corrosive environment
Field problem · 4th Year
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Flex or duct is tied to ceiling grid wire
Field problem · 4th Year
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Hand Placement at a Closing Duct Joint: Keep Fingers Out of the Pinch Line
Foreman script · 1st Year
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Hanger Rod Sizing for Duct Weight
Field problem · 4th Year
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Hanger Rod Sizing for Duct Weight
Foreman script · 2nd Year
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Hanger/support issue: when hanger installed through wrong structural ele
Foreman script · 4th Year
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Hanger/support issue: when rod cut too short to adjust elevation
Foreman script · 3rd Year
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Hanger/support issue: when unistrut/trapeze cut sharp and left unprotect
Foreman script · 3rd Year
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Hanger/support issue: when using wrong drill bit size for anchor
Foreman script · 3rd Year
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Heavy duct is sagging because hangers are spaced too far apart
Field problem · 4th Year
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Is it okay if a hanger rod barely threads into the trapeze nut?
Apprentice question · 1st Year
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Is one sheet metal screw enough to hold a duct hanger strap?
Apprentice question · 1st Year
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Report corroded overhead support
Foreman script · 3rd Year
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Riser Section Binds on a Sleeve or Floor Opening
Foreman script · 2nd Year
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Riser Section Is Not Secure Before the Next Joint Starts
Foreman script · 2nd Year
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Riser Support Is Installed at the Wrong Elevation
Foreman script · 2nd Year
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Shaft Is Closing Before Riser Inspection and Access Are Complete
Foreman script · 2nd Year
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Skipping fall protection anchoring because the task feels quick
Common mistake · 4th Year
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Stainless hardware touches aluminum, galvanized, or coated duct/supports
Field problem · 4th Year
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Stainless screws, nuts, or bolts are required on duct supports
Field problem · 4th Year
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Strut Cantilever Overhang Safety
Foreman script · 2nd Year
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The slab is marked no-drill for hangers
Field problem · 4th Year
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Trapeze Hanger Spacing
Field problem · 4th Year
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Trapeze Hanger Spacing
Foreman script · 2nd Year
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Vertical Duct Riser Support: Do Not Hang the Whole Stack From One Point
Field problem · 4th Year
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Vertical Duct Riser Support: Do Not Hang the Whole Stack From One Point
Foreman script · 1st Year
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What do I do if a drop-in anchor was never set with the tool?
Field problem · 4th Year
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What do I do if my anchor drill hits steel or rebar in a post-tension slab?
Field problem · 4th Year
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What if heavy rectangular duct is sagging between hanger points?
Apprentice question · 2nd Year
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What should I do if a hammer drill hits steel while drilling anchors in a concrete slab?
Apprentice question · 3rd Year
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When do I need to use isolation pads on my duct hangers?
Apprentice question · 1st Year
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Why are trim flanges not enough to anchor a large exterior louver?
Apprentice question · 3rd Year
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Why does drop-in anchor depth matter before setting hanger rods?
Apprentice question · 1st Year
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Why is an un-set drop-in anchor dangerous for duct hangers?
Apprentice question · 1st Year
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Why is galvanized steel touching copper a problem?
Apprentice question · 2nd Year
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A flat-oval duct sags across the trapeze
Field problem · 2nd Year
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A louver sleeve anchor cracks the edge of a CMU opening
Field problem · 2nd Year
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A pan-deck anchor hole blows out
Field problem · 2nd Year
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A split-ring hanger crushes round duct out of shape
Field problem · 2nd Year
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A two-tier trapeze twists because one duct is off to the side
Field problem · 2nd Year
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A wide trapeze strut bows under the duct
Field problem · 2nd Year
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All-Thread Rod Coupling Alignment
Field problem · 2nd Year
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All-Thread Rod Coupling Alignment
Foreman script · 1st Year
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Allthread Rod Vibration Silencing
Field problem · 2nd Year
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Allthread Rod Vibration Silencing
Foreman script · 2nd Year
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Anchor type not approved for substrate
Field problem · 2nd Year
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Another trade ties cable or pipe to my duct hangers
Field problem · 2nd Year
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Do Not Use Installed Duct as a Step, Shelf, or Support for Other Work
Foreman script · 1st Year
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Duct resting on threaded rod or sharp support edge
Field problem · 2nd Year
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Ductwork in Warehouses with High Bays
Field problem · 2nd Year
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Ductwork in Warehouses with High Bays
Foreman script · 2nd Year
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Embed depth for drop-in anchor not checked
Field problem · 2nd Year
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Fabricating a duct section that exceeds the maximum unsupported length per SMACNA
Common mistake · 2nd Year
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Hanger Spacing for Rectangular Duct
Field problem · 2nd Year
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Hanger Spacing for Rectangular Duct
Foreman script · 1st Year
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Hanger Spacing for Round Duct
Field problem · 2nd Year
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Hanger Spacing for Round Duct
Foreman script · 1st Year
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Hanger conflicts with access door or damper handle
Field problem · 2nd Year
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Hanger height against duct slope/offset not checked
Field problem · 2nd Year
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Hanger installed through wrong structural element
Field problem · 2nd Year
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Hanger rods are bending on a sloped concrete beam face
Field problem · 2nd Year
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Hanger spacing after duct size changes not checked
Field problem · 2nd Year
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Hanger spacing too far apart
Field problem · 2nd Year
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Hanger strap edges are cutting into round duct
Field problem · 2nd Year
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Hanger/support issue: when anchor type not approved for substrate
Foreman script · 3rd Year
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Hanger/support issue: when duct resting on threaded rod or sharp support
Foreman script · 3rd Year
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Hanger/support issue: when hanger conflicts with access door or damper h
Foreman script · 4th Year
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Hanger/support issue: when hanger layout not coordinated with sprinkler/
Foreman script · 3rd Year
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Hanger/support issue: when hanger spacing too far apart
Foreman script · 3rd Year
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Hanger/support issue: when hangers placed on removable fitting/door
Foreman script · 3rd Year
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Hanger/support issue: when installing anchors before confirming layout
Foreman script · 3rd Year
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Hanger/support issue: when missing intermediate support at heavy fitting
Foreman script · 3rd Year
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Hanger/support issue: when not aligning hangers with a straight run
Foreman script · 3rd Year
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Hanger/support issue: when not allowing insulation thickness under trape
Foreman script · 3rd Year
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Hanger/support issue: when not checking embed depth for drop-in anchor
Foreman script · 3rd Year
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Hanger/support issue: when not checking hanger height against duct slope
Foreman script · 3rd Year
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Hanger/support issue: when not checking hanger spacing after duct size c
Foreman script · 3rd Year
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Hanger/support issue: when not checking rod plumb before loading duct
Foreman script · 3rd Year
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Hanger/support issue: when not cleaning hole before setting anchor
Foreman script · 3rd Year
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Hanger/support issue: when not documenting hanger issue before cover-up
Foreman script · 3rd Year
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Hanger/support issue: when not locking nuts after final elevation
Foreman script · 3rd Year
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Hanger/support issue: when not supporting duct before loosening connecti
Foreman script · 3rd Year
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Hanger/support issue: when not using washers/nuts correctly on trapeze
Foreman script · 3rd Year
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Hanger/support issue: when not verifying support requirements for extern
Foreman script · 3rd Year
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Hanger/support issue: when rod/strap interferes with ceiling grid
Foreman script · 3rd Year
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Hanger/support issue: when strap hanger crushing duct corner
Foreman script · 3rd Year
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Hanger/support issue: when support installed after duct joint is already
Foreman script · 3rd Year
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Hanger/support issue: when trapeze not level before duct is set
Foreman script · 3rd Year
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Hanger/support issue: when using temporary wire as permanent support
Foreman script · 3rd Year
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Hanger/support issue: when wrong rod size/strap size for duct
Foreman script · 3rd Year
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Hangers placed on removable fitting/door
Field problem · 2nd Year
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Hangers with a straight run not aligned
Field problem · 2nd Year
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How do I calculate how much all-thread rod to cut for a trapeze hanger?
Apprentice question · 1st Year
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How do I hang spiral duct using cable hangers (Gripple) instead of strap?
Apprentice question · 1st Year
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How do I square up my hanger points off a structural I-beam?
Apprentice question · 1st Year
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How do I support a massive 90-degree elbow so it doesn't sag on the heel?
Apprentice question · 1st Year
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How do I use a laser level to establish a perfectly straight hanger line?
Apprentice question · 1st Year
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How do you anchor hanger rods on a sloped or tapered concrete beam face?
Apprentice question · 2nd Year
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Independent Support Rule
Field problem · 2nd Year
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Independent Support Rule
Foreman script · 1st Year
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Installing anchors before confirming layout
Field problem · 2nd Year
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Installing duct hangers too far apart, causing sagging between supports
Common mistake · 2nd Year
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Joint Hardware Is Blocked by Temporary Support or Rigging
Foreman script · 2nd Year
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Large Fitting Needs Temporary Internal Bracing During Handling
Foreman script · 2nd Year
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Missing intermediate support at heavy fitting
Field problem · 2nd Year
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Move an Oversized Fitting Without Crushing or Racking It
Foreman script · 2nd Year
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Not allowing insulation thickness under trapeze
Field problem · 2nd Year
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Not cleaning hole before setting anchor
Field problem · 2nd Year
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Not locking nuts after final elevation
Field problem · 2nd Year
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Not setting the correct air pressure for a pneumatic clincher before production runs
Common mistake · 2nd Year
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Not supporting duct before loosening connection
Field problem · 2nd Year
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Nuts Washers and Locking Hardware on Hangers
Field problem · 2nd Year
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Nuts Washers and Locking Hardware on Hangers
Foreman script · 1st Year
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Protect Dampers, Sensors, Liner, and Internal Parts During Installation
Foreman script · 2nd Year
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Protect Installed Duct From Fireproofing, Paint, Concrete, and Drywall Work
Foreman script · 1st Year
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Remove Transport Bracing Without Deforming the Fitting
Foreman script · 2nd Year
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Riser Support Is Installed at the Wrong Elevation
Field problem · 2nd Year
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Rod cut too short to adjust elevation
Field problem · 2nd Year
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Rod plumb before loading duct not checked
Field problem · 2nd Year
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Rod/strap interferes with ceiling grid
Field problem · 2nd Year
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Round duct snakes sideways in loop hangers
Field problem · 2nd Year
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Sizing Allthread (Rod)
Field problem · 2nd Year
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Sizing Allthread (Rod)
Foreman script · 2nd Year
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Stabilize Round Duct Before Starting Screws or Clamps
Foreman script · 1st Year
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Strap hanger crushing duct corner
Field problem · 2nd Year
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Strut Cantilever Overhang Safety
Field problem · 2nd Year
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Strut Channel Fitting Selection
Field problem · 2nd Year
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Strut Channel Fitting Selection
Foreman script · 1st Year
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Strut Channel Support: Check Span, Orientation, and Load
Field problem · 2nd Year
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Strut Channel Support: Check Span, Orientation, and Load
Foreman script · 1st Year
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Support installed after duct joint is already stressed
Field problem · 2nd Year
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Support requirements for externally insulated duct not verified
Field problem · 2nd Year
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Teardrop hangers are dimpling spiral pipe
Field problem · 2nd Year
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Temporary Cover or Support Was Left Behind Inside the Duct
Foreman script · 1st Year
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Temporary Support While an Awkward Fitting Is Being Connected
Foreman script · 2nd Year
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The Unistrut trapeze is bowing under a heavy duct run
Field problem · 2nd Year
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Trapeze hanger rods are missing jam nuts
Field problem · 2nd Year
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Trapeze not level before duct is set
Field problem · 2nd Year
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Trapeze rods bend out of plumb to catch a 45-degree fitting
Field problem · 2nd Year
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Turning Vanes Were Bent During Transport or Installation
Foreman script · 2nd Year
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Unistrut/trapeze cut sharp and left unprotected
Field problem · 2nd Year
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Using temporary wire as permanent support
Field problem · 2nd Year
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Vertical Branch Weight Is Twisting the Riser Main
Field problem · 2nd Year
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Vertical Branch Weight Is Twisting the Riser Main
Foreman script · 2nd Year
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Walking on sheet metal without checking if it can support your weight
Common mistake · 2nd Year
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Washers/nuts correctly on trapeze not used
Field problem · 2nd Year
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What do I do if another trade ties cable to my duct hangers?
Apprentice question · 2nd Year
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What's the proper gauge of hanger strap for medium-pressure ductwork?
Apprentice question · 1st Year
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What's the rule of thumb for how far the all-thread should stick out below the unistrut nut?
Apprentice question · 1st Year
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What's the standard spacing for hangers on commercial rectangular duct?
Apprentice question · 1st Year
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When building a unistrut trapeze, should the strut open face point up or down?
Apprentice question · 1st Year
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Why are beam clamps walking down the steel after the fan starts?
Apprentice question · 3rd Year
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Why can wedge anchors crack a CMU louver opening?
Apprentice question · 3rd Year
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Why did the drop-in anchor blow out in a fluted pan deck?
Apprentice question · 2nd Year
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Why do trapeze hangers need lock/jam nuts?
Apprentice question · 1st Year
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Why is a multi-tier duct trapeze twisting out of square?
Apprentice question · 2nd Year
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Why is it bad if trapeze rods are bent out of plumb on an angled duct run?
Apprentice question · 2nd Year
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Why is my duct trapeze bowing and how should it be corrected?
Apprentice question · 2nd Year
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Why is the Unistrut cradle sagging under a wide duct run?
Apprentice question · 2nd Year
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Wrong drill bit size for anchor
Field problem · 2nd Year
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Wrong rod size/strap size for duct
Field problem · 2nd Year
Coordinate
Daily Material Count and Forecast
Foreman script · 2nd Year
Coordinate
Hanger layout not coordinated with sprinkler/cable tray
Field problem · 3rd Year
Coordinate
Not documenting hanger issue before cover-up
Field problem · 3rd Year
Coordinate
Pool or natatorium duct, supports, or hardware are exposed to corrosive air. What changes?
Field problem · 3rd Year
Coordinate
Strap Hangers Vs Trapeze
Foreman script · 2nd Year
Coordinate
Toolbox Talk Delivery
Foreman script · 2nd Year
Standard
A standard beam clamp will not fit a thick steel flange
Field problem · 1st Year
Standard
Can hold-down clamps on a trapeze cause duct leaks?
Apprentice question · 2nd Year
Standard
Can you modify a beam clamp to fit a thick structural flange?
Apprentice question · 2nd Year
Standard
Daily Material Usage and Forecast
Field problem · 1st Year
Standard
Strap Hangers Vs Trapeze
Field problem · 1st Year
Standard
Toolbox Talk Delivery
Field problem · 1st Year
Standard
Trapeze hold-down clamps crush the duct
Field problem · 1st Year
Standard
Why should a helper deburr threaded rod after cutting it?
Apprentice question · 1st Year
Reference
All-Thread Rod and Trapeze
Reference · 1st Year
Reference
Anchors Are Not Guess Zones
Reference · 1st Year
Reference
Hanger Line Basics
Reference · 1st Year
Reference
Hanger rod length
Reference · 1st Year
Reference
Shaft and Riser Boundary
Reference · 1st Year