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dti installation sheets
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STANDARD DTIs Testimonials-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
What the pros say about our products: Standard® DTIs"We use DTI's as a another method of inspection
for the structural steel applications we are involved in. We consider
their application for every complex steel job we do, every long span roof,
and a large majority of our other specialty steel projects." "We found that DTIs were instrumental in ensuring that the required bolt tension was achieved thus providing the designed connection strength. I have found that DTIs give you much more accurate and consistent results than the turn of the nut method." "We try to use DTI's on every job. It saves an inspector telling us that the torque or tension isn't right. DTI labor is less expensive than turn-of-nut and with all the issues being raised about twist-offs, DTI's are our preferred method." "I want to thank you for having
Chris Curven stop by our job site in Jacksonville. We spent time together
examining how we are bolting our steel together and how we are utilizing
our Skidmore test. Chris was able to shed some light on how & why we can
use our tester more effectively. He also believes that we are on the right
track as far as the way we are getting the job done. He commented that
this is one of the few job sites that he has visited that is not experiencing
a lot of difficulty. I believe that is because of the conversations that
you and I have had concerning the DTI's. I want to take this opportunity
to thank you for helping me understand your product better. This in turn
makes my job easier."
"...design engineers would do a better
job if they understood how steel erectors had to work to build their designs.
I especially liked how you give clear "how-to" explanations.
For the complete text of what the NAVFAC Structural Engineering
Design Guide says, click
here. This is a PDF file; once downloaded, see the heading high strength
bolting.
"We requested Applied Bolting's
DTI's on this project, because we knew we could rely on their field assistance
in case we had difficulty with our bolting procedures or the inspection
company on the site. We installed 1 1/8" A490 DTI's using a CP 612.
Average time after snug was 9 seconds! We are pleased to state the job
went smoothly and our bolting hours came in on or below budget."
Caltrans specifies DTI's for bolts
used in overhead sign structures "...because they reduce the potential
for incorrectly tensioned high strength bolts and ensure galvanized fasteners
have been properly lubricated" "Applied Bolting's DTI passed
all job-site tests and were successfully used on the 1" A490 ....
twist-off bolts in the seismic bracing connections to control installed
bolt tension."
"Applied Bolting routinely carries
out a statistical analysis of their compression load tests. Detailed analysis
and study of these statistical assessments shows that their product provides
exemplary process capability."
"... Applied Bolting's DTI's on
mechanically galvanized bolts helped us get this large single-span hot-dipped
galvanized bridge together properly, on time, and with a minimum of problems.
When we took the falsework away, the dead load camber was spot on where
it should have been."
"We used Applied Bolting's DTI's.
They worked very well and provided the client with a high quality bolting
job and also eliminated the use of torque wrench inspection."
"As usual we designed the connections
to be bearing type, but also specified the bolts to be fully torqued down.
I hope everyone does this. We feel it gives us the best uniform quality
on the job. We also used some DTI's upside down on bolts for electrical
conductivity through the heavy paint coatings."
"Applied Bolting Technology is
a company that produces DTI's per the ASTM F959 Specification and is now
becoming an integral part in making up the available sources for the supply
of DTI's. The company President of Applied Bolting Technology, Mr. Wayne
Wallace, has a long history of experience in the development of fasteners
that are directly related to high strength connections and their design
needs."
"... I've used turn-of-nut, torque, TC bolts,
and DTI's. Applied's DTI's are all the same! Finally someone has figured
out how to make these things. They're trouble-free. I think DTI's like
Applied's are the best thing for erectors, the best thing for inspectors,
and the best thing for the owner ..." "... I love them [DTI's]. On my last two projects
we used turn-of-nut, but you're limited in what you can do to inspect
that procedure. With DTI's you get a more secure feeling because I know
we can check anytime ..." "Direct Tension Indicators manufactured by
Applied Bolting Technology are accepted as an approved substitute for
the referenced manufacturer, subject to all testing, certifications and
submittals specified by the project documents and ASTM F959."
"... DTI's are a permanent record that the
bolt has been correctly installed. They save us having to go around lugging
a torque wrench ... We certainly appreciate all Applied's help. They've
made this job work out the way it should have ..."
"... Applied Bolting has completely
redesigned the DTI, relying on controlling bolt tension by means of metal
deformation and displacement rather than shearing the metal like the other
DTI producers do. Bravo! At last the DTI can be considered for any application
without reservation ..." "Our guys like DTI's now that they are used to them.
Inspectors don't give us any trouble. We'd like to use them all the time." "We have added Applied Bolting's DTI's to
our list of approved suppliers." "DTI's are one of the best time-savers on
the job. They make for a better quality job all around. Without them,
we'd have to put more money in for inspection." "Applied Bolting's DTI's worked well as a tool
to assure a high quality bolt-up job for the client, and they cut down
on improper torquing."
"We specified DTI's on the slip-critical
bracing connections because we wanted positive assurance that the bolts
would be correctly tensioned. Applied Bolting's DTI's did the job we wanted." "DTI's were specified on this
job for the heavy roof truss connections, and Applied Bolting's 1 1/8"
A325 DTI's did their job. They were installed on the nut end under a flat
washer, and the job went smoothly."
"Applied's [Applied Bolting's]
DTI's have never been rejected by a distributor or end-user for any reason,
including poor performance, poor workmanship or quality, or failure to
conform to any facet of F959.
"... Most of our contractors have
no idea how to properly do turn-of-nut. When we try to enforce it, they
quickly realize that DTI's save them money ... [on sign structures] ...Since
we went to DTI's, most of our bolting problems went away."
"Nice to talk to informative people
for a change, thanks for the info on the web site."
"I love DTI's. I specify them as
often as I can. They're not idiot proof, but pretty close."
"... Applied Bolting Technology is our first
choice for DTI's ..." |
BIG DEAL
MAKE ROOM
LATEST PROJECTS 
TXU Sandow 2007
Contractor: Bechtel Construction
Tonnage: Approx. 10,000 tons Location: Rockdale Texas Squirter DTIs: Dacromet Coated  |
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Squirter DTI's & Squirters DTI are Registered Trademarks of
Applied Bolting Technology Products, Inc. 1413 Rockingham Road Bellows Falls, Vermont, USA 05101 |
