Laying the First Course of Retaining Wall Blocks

What happens here

With the sub-base firmly compacted, the first course of modular retaining wall blocks is carefully laid. Each block is positioned side-by-side along the leveled trench. A spirit level is used frequently to ensure that each block is perfectly level both front-to-back and side-to-side. A rubber mallet is employed to gently tap and adjust the blocks into their final position, achieving a tight and even alignment. For building corners, specific blocks are precisely cut with a concrete saw (Stihl TS 420) to create a perfect right-angle fit. This meticulous attention to the first course is critical, as it dictates the stability and appearance of the entire wall. Safety equipment including work gloves, safety glasses, and hearing protection should be used when cutting blocks.

Goal: Construct a perfectly level and aligned first course of retaining wall blocks.