MAGNUM® MP1001-3 Plate Bracket

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8″ x 21″ x 3/8″ Plate with (18) 9/16″ Thru Holes & 3.13″ I.D. Collar

Data Sheet

SKU: MP1001-3_ Category:


The Magnum MP1001-3 plate bracket has 50 tons maximum ultimate capacity, 25 tons working capacity in compression and tension. The bracket consists of a collar tube with (3) 3/4? threaded bolt holes for connection to Magnum helical piles and Magnum push piers and 18 thru holes for attachment to existing concrete using concrete expansion anchors. The bracket is designed in accordance with ICC-ES document AC358 as well as IBC, ACI, and AISC codes. Design and detailing of the connection to the structure varies by project and is the responsibility of registered design professional including maximum concrete span, pier spacing, concrete shear, and concrete bearing

Installation Notes:
Prepare the existing foundation. For steel push pier applications, attach thebracket and Magnum ram. Install the push pier to the required pressure and load test. For helical pile applications, excavate the pier location so the helix bearing plates fit below the existing foundation and the shaft is as close as possible to the face of the foundation. Install the helical pile to the correct depth and torque. Mount the bracket by sliding down the shaft rotating into position. In both cases, lift the structure as needed using either a Magnum ram or lifting fixture. Drill holes and bolt the bracket to the pile.

*Bracket connection to pile consists of field threaded blind bolts as described in Section 7-13 of AISC Code. Capacities shown are based on IAS accredited laboratory testing of Magnum products.

All Magnum Products Made in U.S.A.
U.S. Patents 6,058,662 and 5,234,287; Other Patents Pending.

Additional information

Weight 27 lbs
Dimensions 21 × 8 × 4.5 in
Fits Pile Shaft Designation

MH313, MH313R, MH325, MH325R, MP313, MP325

Collar Tube

0.37 in. x 3.13 in. I.D. ASTM A513 GR65


8" x 21" x 3/8" Plate with 18 ? 9/16" Thru Holes for 1/2" Expansion Anchors

Pile Connection

(1, 2 or 3) 3/4" SAE J429 GR 8 Zinc Coated to ASTM B695/F1941

Bracket Type


Allow Tensile Capacity-tons


Allow. Comp. Capacity (tons)





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