Ideal For Heavy Pier LoadsSuch as mating line piers for large openings, you can use a three pad configuration to double the load. Multi-Pad ConfigurationABS Pier Pads wdt_IDProduct #SizePad AreaMulti Pad SizePSF Soil31055-2316" x 23" (3)4.0 sq. ft.32" x 18.5"1,000 = 4,000 lbs.2,000 = 8,000 lbs.51055-1617" x 22" (3)5.0 sq. ft.34" x 22"1,000 = 5,000 lbs.2,000 = 10,000 lbs.81055-1717.5" x 25.5" (3)6.0 sq. ft.35" x 25.5"1,000 = 6,000 lbs.2,000 = 12,000 lbs. Installation Instructions OTI ABS PADS INSTALLATION INSTRUCTIONS