We have a steel tube truss bridge 14' wide by 130' long that has floor beams 7'-2" o.c.Bridge had to be galvanized and painted so the nelson studs where installed before galvanizing 1' o.c. across the floor beams.Bridge company sent out 2" non composite 20 gauge deck pans which we flame cut...
I have a plan showing a pedestrian steel truss bridge showing a bottom chord of 8"x 8" steel tube.Specifications read "The steel truss shall be designed to include a redundant bottom chord comprised of double channels"
Can anyone tell me whats that means since the drawing doesn't depict what the...
We have a steel frame deck 80 feet above the ground. The W 30 beams are five foot on center and before we put the steel deck down and pour the floor we have to install all the piping on the underside of the beams.Can't use a lift underneath the deck due to the extreme slope so we have to hang...
Geogrid lenght for a Anchor Concrete Block wall ,is 60% of the height of the wall safe enough? Placing it on every other course 16" oc.max height 11 feet
We are driving PZC 13 sheets with vibro hammer in the Newark Bay along the Bayonne shore line.Owners enginner specified a 25 foot long sheet.Then we have to drill grouted 2" hollow bar tie backs at 30 degrees ,60 ft long.As we drive the sheets the others that are set to grade are sinking several...
We bid a projet for installing 25' long PZC 13 steel sheet piling with grouted hollow bar anchors 2".Bulkhead application with 12' exposed to the bay.Design Engineer plans show detail drawings as such and he noted the anchors to be 12' on center maxium with a waler.Wall design for 7000 psi per...
We have a lagoon with 700' of 9' high existing concrete bulkhead which is old and spalding in areas.Owner wants us to drill in dowels and attach 6"x6" wire and pour a new 8" face in front of old wall.To avoid pouring concrete in saltwater tides we want to use a 6" thick precast wall panel and...
