MASCO Catalog: Concrete Forming & Accessories

51 MASONS SUPPLY COMPANY Oregon (800) 537-3407 ♦ Washington (800) 537-6216 Clackamas | Eugene | West Eugene | Hillsboro | Medford | Portland | Salem | Ridgefield | Seattle | Tacoma | Woodinville M A S C O . N E T HORIZ. FORMING & SHORING Hand Jack For fast, easy shore height adjustment. Makes leveling shores and purlins simple. Screw Jack Transforms a 4x4 into an adjustable reusable shore. Allows 6" standard adjustment using acme threads and built in handle. Simple to install and remove. No. Wt (lbs) EL SJ 12.0 No. Wt (lbs) EL EJ 14.0 Allowable Load Chart Allowablemaximumvalueof6,000 lbs.pershore is basedupona safety factor of 3, against failure of the mechanical mechanism of splice joint. ALLOWABLE LOAD: Table based upon allowable unit stresses of 1,500 lbs. per sq. in. for wood members of fir or yellow pine, free of knots. This table is based upon approved engineering standards, but does not compensate for unusual conditions. ALLOWABLE LOAD FOR ELLIS 4 X 4 SHORES Total Shore Height Including Jack Maximum Load Capacity 4' 15,000 6' 12,000 8' 7,200 10' 5,000 12' 3,000 14' 2,600 15' 0 Screw Jack Is Included In Shore Height Calculations. Lumber Must Be Cut Square On Both Ends. Capacities Include A Standard 2-1/2 To 1 Safety Factor. MAXIMUM SAFE WORKING LOAD (LBS.) Douglas Fir Dimensional Lumber (3-1/2" Square) DROPHEAD ADAPTOR 4"x4" / Drophead Adaptor Used with a 4x4 wood post to attach the HV Drophead when custom short posts are required, or to provide a connection to an aluminum joist/stringer. No. Wt (lbs) MAS 1562 8.0 ELLIS SHORES