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This is a small collection of links for PDA & WEAP resources. GRL Engineers has a great website with plenty of helpful links & papers
Two excellent resources for Union Pacific Railroad. These links are to their engineering project specs as well as a menu page for their standards & specs.
https://www.up.com/customers/ind-dev/operations/specs/index.htm
https://www.up.com/emp/engineering/apps/archives/standards/public/index.cfm
I found an excellent site with information about tiebacks
Wildland Fire National Status Map Link
A nice video on F1852 twist-off button-head bolts:
I’ve never had to use/see a field-detailed plate-to-plate Complete Joint Penetration (CJP) weld before, nor had I heard of what a Ceramic Weld Backer was. Teach a Man to Fish – Great video on the process
Great source for Toolbox Talks & Job Briefings from CPWR
https://www.cpwr.com/research/research-to-practice-r2p/r2p-library/hazard-alert-cards/
Great source for traffic related safety briefs
And a really nice set of Public Works-related Tailgate Talk subjects
https://www.vlct.org/resource/public-works-safety-briefs-complete-setI don’t think you can find a better article on pile driving basics than this one: Pile Buck is an OUTSTANDING resource!!
Nice reference to Geoinstruments’ site for settlement plates:
If you’re looking for information on railroad bridge waterproofing, this is an excellent link. We used this system in Bensenville, Illinois for the 2-track RR bridge we were involved in constructing for Canadian Pacific RR.
Pile Buck is a great resource. Here is a great summary on drilled shafts & use of casings:
Great link to turnout terms / elements
http://www.railroadfastenings.com/blog/railway-turnout-types.html
I’ve written about the Saximeter method for determining ram fall height. I saved these videos as they provide pile driving footage that is lengthy enough to practice using a stopwatch for getting your 5-blow counts, practice mental blow counting + stopwatch use.
Check this great resource out from Vulcanhammer.net!
