EVERYTHING

Landscape & Design

By Sophie Rhéaume • May 2, 2018

How to Plan an Excavation – Part 3

Techo-Bloc

In part 2, we shot our grades and marked the area. Now, we discuss a staking layout, using string lines and line collars.

 

 

STEP 1: After marking the area with paint, position the stakes according to the plan.

1st stake

STEP 2: Insert line collars on the stakes. Use a laser level and a stick to measure the correct elevations versus the grading plan.

set of steps

A handheld unit can also be used for the same purpose.

STEP 3: Attach string lines to the collars.

We put them 6 inches above finished grade of pavement, so they are out of our way as we are working. Make sure that a consistent gap between stringline and finished grade is used.

STEP 4: Position a stake where the drain will be constructed.

drain

STEP 5: Ensure that the surrounding area is pitched adequately in toward the drain. ICPI stipulates a minimum 1.5% slope, but 2% is recommended, especially when working with textured pavers or slabs. 

drain and pitch-1

In this application, we opted for this drainage approach because we want to avoid sheeting water over the set of steps. Steps are still a retaining wall structure and, as such, need water to be directed away from them. 

TAKE THE FIRST STEP TO HELP YOUR COMPANY BE SEEN BY HOMEOWNERS IN YOUR AREA TODAY!

BECOME A TECHO-PRO