Eye Level 40-KITLL18X18 Guide d'installation télécharger pdf (Page 9)

High Wind Load Installation

The Heritage Pergola is designed to withstand 150 mph windloads but requires securing 4”x4”

wood post into the ground with concrete.

Installation method for 4" x 4" wood support post in ground

1. In ground Method

Step 1. Using a post hole digging tool, dig a

hole 12" in diameter; approximately

31"- 48" deep. Fit a 12" sonatube

down into the hole for the concrete

pier.

Step 2. Dig a 16" x 16" x 3" deep square

pad for pergola base (F) platform.

*Limestone column base requires a

13” x 13” platform*

Step 3. Level the pier platforms using string

line, wood pegs and a level (as shown).

Mix the ready- mix concrete with water

in a wheelbarrow (follow

instructions on the bag).

You will need approximately two

80 lb. bags of ready mix concrete for

each pier. Then fill in pier just

below pad.

Version 3.0, March 2010

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Eye Level 40-KITLL18X18 Guide d'installation Page 9