Stepping Stone Additional Parts Required: Mounting Post/Plate (4) 3/8" x 1" Bolts & Washers Step 1 — Prepare a hole suitable for installing an 18" (45.7 cm) long piece of 12" (30.5 cm) Sonotube. Set the section of Sonotube into the hole and place fill around the Sonotube. Fill the Sonotube with concrete and set the 2" (5 cm) mounting pipe into the concrete. Mounting Pipe Mounting Plate Step 2 — When the concrete has set, place the Stepping Stone onto the 2" (5 cm) mounting pipe and secure to the mounting plate using 3/8" x 1" bolts. 2" (5 cm) Mounting Pipe Suitable Depth of Surfacing (ie. Sand, Bark, etc.) Mounting Plate Concrete Dug Hole 12" (30.5 cm) Sonotube 3/8" x 1" Mounting Bolts 12" (30.5 cm) Sonotube 18" (45.7 cm) Fill Concrete Soil Soil Step 3 — Mounting Plate Template — Place a sufficient amount and type of surfacing around the Stepping Stone to ensure compliance with CSA/ASTM guidelines. There is one off-centre molded-in insert on the foot of the Stepping Stone. To accommodate for the variances in the positioning of the threaded inserts on the base of the Stepping Stone, we recommend 1/2" clearance holes as shown. Stepping Stone i1 15/16" (i4.9 cm) 4 7/8" (12.4 cm) 4" (10 cm) Suitable Depth of Surfacing (ie. Sand, Bark, etc.) 3/16" - 1/4" Mounting Plate recommended i1/2" (i1.3 cm) Soil 4" (10 cm) 4 7/8" (12.4 cm) Copyright © 2001 - 2017 SPI Industries Inc. All rights reserved Printed in Canada Box 100, R.R.#2 Shallow Lake, ON N0H 2K0 Canada [T] 800-269-6533 or 519-935-2211 [F] 519-935-2174 [email protected] www.spiplastics.com R 7/16 Installation Instructions Supplied Parts: Stepping Stone Stepping Stone Installation Instructions Stepping Stone — Ground Steps Stepping Stone — Suspended Steps Box 100, R.R.#2 Shallow Lake, ON N0H 2K0 Canada [T] 800-269-6533 or 519-935-2211 [F] 519-935-2174 [email protected] www.spiplastics.com
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