Plumb bob mason line – Fairbanks 12-1492 - 12-1496 A.A.R. Combination Railroad Track/MTS User Manual
Page 27
04/12
27
50538 Rev. 7
2-M: Installing Weighbridge Sections
Caution: Weighbridge Sections can weigh as much as 17,000 lb. each. Work Safely.
1: Place wooden blocking and cribbing material suitable for supporting and jacking the
weighbridge steel into position near each pier and base plate. Each section will require four
points of support, therefore arrange the placement of these supports accordingly. It is recom-
mended to set blocking to support the weighbridge against the pit wall, and 1 to 2 inches
higher (than the certified prints indicate its final elevation should be) at this time. If Safety
Piers have been installed, they can be utilized in lieu of blocks provided they are thoroughly
and completely cured.
2: With a crane and rigging (4 leg drop) of suitable capacity, install an end section into the
pit, and onto the supports. Set up a mason line to check and ensure that the centers of the
main beams are centered on the rail cutouts in the concrete approaches for the entire sec-
tion.
Plumb bob
Mason line
50538-12
3: Ensure the distance from the approach pit wall is correct to ensure equal clearance at
both ends.