Floor Truss Weight

With an evenly distributed live load of 30 psf which the tables show the floor is able to support the total weight on the floor would be about 3 360 pounds.
Floor truss weight. Span tables below illustrate common combinations of the multiple variables available. An 18 inch deep truss 22 feet long is used in the floor of an office project. 24 truss 120 150 30 160 200 36 220 300 40 270 350 50 375 500 60 450 600 70 600 800 80 800 1000. Geometry loading spacing bearing conditions etc.
Floor truss span chart each individual floor truss design is unique based on multiple variables. For example a properly designed office floor can support 50 pounds per square foot. Floor trusses can span farther between bearing points than i joists allowing for larger open rooms. Spacing of trusses are center to center in inches.
Increasing the total weight on the floor to 4 480 pounds however results in a live load of 40 psf which is beyond the floor s load capacity. Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91. Steel is also a non renewable resource manufactured with great energy consumption. How much weight can a floor support.
Floor trusses have built in openings which can be used to install hvac ductwork plumbing lines and electrical wiring. 72 5 0 mi ni m u m girder floor truss floor truss jacks a a bearing wall girder floor truss floor truss jacks bearing wall cantilevered floor truss two 2x rim joists 24 max. Maximum deflection is limited by l 360 or l 480 under live load. Be careful and your roof system will perform admirably for generations.
And parallel to floor truss span strongback lateral supports 24 max. The live loads a truss is required to bear are determined by local building codes. The floor assembly consists of linoleum tile over a hydronic floor heating system with 1 inch light weight concrete assume hydronic heating system weight of the lightweight concrete it replaces and inch plywood subflooring. This also reduces the need and cost for extra bearing posts beams and footings.
Roof floor truss manual 7 31 08 10 43 am page 12. Can your office floor handle the addition of a large filing system. Plated floor trusses are very heavy present a handling danger because of sharp plate edges and plates often interfere with the installation of mechanicals. My truss weight table per single truss.
This is a common question asked by facility managers when contemplating a new file system or a heavy equipment addition.