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Nascla (questions well answered) verified already passed
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NasclaErector - correct answer 1/2 diameter bolt min. For any precast concrete connextion
Erector - correct answer Swinging scaffold for 3 workers min. Load is 750lbs
Erector - correct answer Min. breaking strength for a nylon lanyard is 5,000lbs
Post-tensioning - correct answer Tendon is not pulled until 75% full strength
- correct answer The sheathing should be cut back 1" from the form. The tendon tail should extend 12"
from the form
- correct answer Banded tendons should be bundled not more than (5) 1/2 inch or (4) 0.6 inch in a
group
- correct answer Recommended 1-1/2 minimum between tendons. Minimum #4 rebar used to support
tendons
- correct answer With a two stroke pull, the final stroke must be 60% of the first pull
- correct answer The strand length protruding beyond the wedges after cutting shall be between 1/2
and 3/4 of an inch. The cap filled with a p/t coating must be installed within 24 hours never exceed 96
- correct answer Stress barrier cable 80% of the ultimate strength of the strand
construction project management - correct answer 1/4 of the construction in u.s is done with public
money
, Value Engineering - correct answer A process that considers cost in factors like life cycle, cost, quality,
durability and maintainability
- correct answer Since OSHA establishment in 1971, fatalities have been cut by 65%
Steel deck - correct answer Standard deck widths 12", 18", 24",40",36"
Composite floor deck - correct answer Acts as a working platform, stabilizes the frame, serves as
concrete form for the slab, reinforces the slab to carry the design loads
Roof deck - correct answer Acts alone in transferring horizontal and vertical loads into the building frame
Cellular deck - correct answer Made by attaching a bottom steel sheet to a roof or composite floor deck
panel
Form deck - correct answer Can be any floor or roof deck product used as a concrete form
Steel deck - correct answer A safe working platform should be at least 12 feet wide
- correct answer Decking used as a work platform must provide 50psf for floors or 20 PDF for roofs
- correct answer A minimum of 1-1/2" of end bearing should be provided for deck. If deck is lapped it
should be over support
- correct answer Use #12 self drilling screws
- correct answer Weld washers are recommended for metal thickness less than 0.028" 22 gage
- correct answer Good weld 7/8 more of its perimeter working. Side welds not recommended for 22
gage
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