post hole depth for retaining wall

Setting Posts without Mixing QUIKRETE: Cement and Concrete

Dig post hole so diameter of the hole is 3 times the width of the post i.e., the hole for a 4 wood post should be about 12 inches wide . The depth of the hole should be 1/3-1/2 the post height above ground i.e., a 6-foot tall fence would require a hole depth of at least 2 feet .


Use a post hole borer to dig 300mm diameter holes so that the total depth is as deep as the wall is high. Angle the borer to allow for the slope of the poles 1:10 so the posts lean 100mm for every 1m of height . Place about 100mm of drainage metal scoria in the holes and then put the two end posts in place. Brace all the

How Deep Should The Footing Be For A Retaining Wall?

"LEARN How Deep Should The Footing Be For A Retaining Wall? LIST OF RELATED VIDEOS OF How Deep Should The Footing Be For A Retaining Wall? IN THIS CHANNEL : How Deep Should The Footing Be For A

Retaining Wall Post Hole: Depth vs Width

I'm building a concrete sleeper retaining wall that will retain earth just under 1.2m high. The neighbour requested to install an additional sleeper high at their cost so the overall height is 1.4 meters high therefore the depth of the hole will need to be 1.4m down.

Technical Data Sheet Timber Garden Walls 8

For retaining walls greater than 1 metre high refer to Technical Depth Wall height min 1:10 batter max1:6 slope Post holes shall have a 100 mm layer of course

Build a Retaining Wall

Build a Retaining Wall. string line to the hole. Add 3-feet for the hole depth and you know you need a 7-foot tall post. for each post hole and pour it in

Sleeper Retaining Walls 101

Sleeper retaining walls are not hard to install of working out the depth of the post holes. your wall is going to be 800mm high, the holes for your posts

Fence posts, retaining wall posts etc South Bay Riders

What a lot of people don't understand is that the wall and the depth of the post or footing is also related to the slope of the land uphill of the wall. Not all retaining walls are the same or are treated the same way. I've got stacked stone retaining walls in my back yard with one rock in the ground and the rest stacked.

Post hole depth table, wall less than 1m high?

Post hole depth table, wall less than 1m high? Hi All, Does anyone have a table or a link to one that shows the post hole depth, width and distance between posts for H beam steel/treated pine retaining walls under 1m high?

How to Build a Timber Retaining Wall

Dig holes to depth. If your retaining wall is over 1m you will need to angle your posts. Angle the hole to allow fpost lean back towards the area being retained at a raito of 1:10 so the posts lean 100mm for every 1m of height . Mitre 10 Handy Hints: If youve got a lot of holes to dig, a post hole borer will make the job easier. Mark out

Post hole depth/width for 1.0m retaining wall?

It's best to have the same depth of post in the ground as is above the ground., i.e. for a 1m high retaining wall, the posts will be 1m into the ground. Also appreciate that it's also the diameter of the concrete post footings that contribute to the strength of the finished wall.

About the House: Using Wooden Retaining Walls in Your Home

Home and Garden Columns A retaining wall. I find in retaining walls is the simple overturning of the entire wall system due to lack of depth.

Bunbury Retaining Walls

Retaining walls must be constructed according to engineering specifications Dig the first two post holes to the depth and diameter indicated above, and with

How to Calculate the Depth of Footing for a Retention Wall

Retention, or retaining, walls provide a practical means to make a difficult slope manageable and hold up some amount of soil and vegetation while lending landscape interest. Thoroughly planned and ably performed wall construction will help to ensure the retaining wall's stability. One key aspect

Croft Poles retaining wall guide

Typical Sizes for a Non-boundary, no traffic wall with a 1:10 slope above the wall and 2 to 2.4m of level ground in front of the wall in stiff clay type soil. Square Poles Small Walls and gardens Wall Height Sawn Timber Square Pile Size Max Spacing Hole depth Hole Auger Retaining timber 700 1.5 / 100x100 1200 900 300 150 x 50

How to Dig Post Holes: 14 Steps with Pictures

How to Dig Post Holes. Post hole diggers have a maximum effective depth of about 3/4 of their handle length, so a five foot pair will dig about 3 1/2 half deep.

How To Build A Concrete Sleeper Retaining Wall Australian

How To Build A Concrete Sleeper Retaining Wall. end to the other end of the retaining wall. Mark the hole for digging. each post and fill the hole with

Retaining Walls Sleeper Wall Details A New House

Post Hole. A minimum diameter hole of 300mm dia holes at 1250 spacing so sleepers cut in half will fit between posts. Depth to be equivalent to wall height plus 100mm for a gravel layer at the bottom of the hole. Posts. The minimum post lengths to be twice as long as the final height of the wall.

How to build a garden retaining wall

TYPICAL RADIATA RETAINING WALL SIZES Maximum distance between post centres 900mm Maximum retaining wall height 500mm 1000mm Minimum post embedment depth 700mm 1000mm Post type: No.1 house pile H5 treated to N.Z.T.P.C specs 125 x 125 x 1200mm 125 x 125 x 2100mm Timber treatment in ground contact H5 String Bolts/Nails

How to Build a Pressure Treated Retaining Wall Hunker

Cut your posts six inches longer than the depth of your holes plus the height of the retaining wall. For instance, if you want a 2-foot high wall, cut your posts 5 1/2-foot long. Place one post in each hole.

Hole size required for H channel retaining wall?

Hi all, I've done a lot of reading and have put together a 3D sketchup of the retaining wall I want to build. From my research I've found post depth should be half in half out as well and to use Hole size required for H channel retaining wall?


STEP 2: POST HOLES Starting from one end of the wall, mark a cross on the ground at 1.8mt Intervals. STEP 3: AUGER HOLES Auger holes to a minimum diameter of 450mm and a depth as required determined by the height of the retaining wall, see schedule 1. Step 4: Placement of Steel Posts Ensure post are level and spaced at 1800mm centres.

Fence post hole depth Fence tips Pinterest Building a

Discover and save your own Pins on Pinterest. Fence post hole depth. Fence post hole depth Fence post hole depth and full tutorial on digging and setting fence