Billboard 14'-0” X 48'-0” Centermount 20'-0” V-Build LED Sign Structure

Decundi was awarded a contract from a client to carry out inspections for the field installation of a billboard noted to be 14'-0” X 48'-0” Centermount 20'-0” V-Build LED Sign Structure proximate to and across from Woodlands Mall, Texas.

Inspection was carried out for all welds at the transition plus tightening of the head bolts shown on the approved drawing for this 14'-0” X 48'-0” Centermount 20'-0” V-Build LED Sign Structure.

In accordance with notes on the approved drawing, Decundi inspector verified that the Column Splice detail at the 42” ∅ X ¾” thick lower column pipe and the 1” thick ring plate shown on drawing, that this joint detail has a 35° single bevel, 0” landing and a 1/8” root opening. No sign of crack was seen nor was porosity opened to the surface noted and visual inspection of this full penetration welded joint was satisfactory.

Inspection was carried out for assurance that all fillet welds shown on the drawing, where the fillet welds vary in size from ¼” fillet, 5/16” fillet and 3/8” fillet and these continuous fillet welds are deposited at the respective locations on this 14'-0” X 48'-0” Centermount 20'-0” V-Build LED Sign Structure. Inspections found the size of the continuous fillet welds to be in accordance with the drawing.

Decundi inspection personnel check for assurance that there are no missing bolts plus torquing of all head bolts was carried out using a Milwaukee High Torque Impact Wrench with a 3/4" drive. Torquing of all head bolts carried out with satisfactorily result.

We also carry out inspection for tack welding of the grating at the elevated platform at the 14'-0” X 48'-0” Centermount 20'-0” V-Build LED Sign Structure. Inspection found the tack welds at the grating are deposited at random locations with satisfactory result.

All bolting which shall be high strength bolts and nuts conforming to ASTM A-325N were checked and found satisfactory.