Steel Decking Flashcards
A standard roof deck is installed to end lap approximately ___ inches over supports
2”
What is Cellular Metal Deck?
Normal metal decking that has a flat piece of steel welded to the bottom of the panel.
What is a “B” Deck Profile?
36” coverage with 1-1/2” x 6” Wide Rib (WR)
What is a “F” Deck Profile?
36” or 30” coverage with 1-1/2” x 6” Intermediate Rib (IR)
What is the packaging deck bundle weight limit to be applied to joists?
4,000lbs
For decking, what is a safe working platform size?
12 feet wide
What is the minimum uniform construction live load for a floor deck?
20psf
If heavier motorized fishing equipment such as a power screed is needed for the deck, the uniform live load should be ___ or greater.
50psf
Where should the end lap of decking be located? And what is the minimum length of end bearing that should be provided?
The end lap location should be adjusted so the center of the lapped portion occurs over the support/top chord member. The minimum length should be 1-1/2”
What are the typical screw size for decking?
12s or 1/4” diameter with a special drill point.
When are weld washers nor recommended for deck thicknesses of what gauge or thickness?
0.028 inches thick
22 gauge
What plate thickness is required for covering a dent or an 8” maximum hole diameter in decking?
0.045 plate
For dents or holes greater than a rib (over 8” to 13” diameter or width), it is advisable to use a_____ minimum plate.
0.057”
When aligning the edge of steel deck, the installer should____
kneel
A roof steel deck with an opening of 6” long will require reinforcement when ___ webs have been removed.
Three
The connector, that is used to mechanically lock concrete and steel together to carry a floor load, is referred to as a _____ .
Shear Lug
An extra heavy duty non-composite form deck with a nominal depth of 1-5/16” has a weight range of _____
1psf to 2.8 psf
A good working weld develops its strength by holding _____.
Around the perimeter.
Steel decks are usually less than ____ feet long.
40
In order to reduce the possibility of the deck side opening, concrete should be placed in a direction so that the weight is first applied to the _______.
Top sheet at the side lap.
