You can save about $100 on a Roto Rooter drain cleaning or, sewer cleaning by following a few simple steps. When a Roto Rooter drain cleaning technician arrives at your home to clean a clogged drain he will first look at the problem to diagnose what is going on, and what he needs to do to fix the problem.
Level on ground structure. Explanation:Slab-on-grade Slab is the concrete (or other material) platform placed as base for construction. On-grade means right on the ground. So slab-on-ground means that the building has a concrete (or other material) slab or platform placed right on ground soil.
If I still remember my American Concrete Institute (ACI) manual, a concrete can withstand a compressive stress of 2000 pounds of load per square inch. This is wahta they referred to as Class A concrete, with a mixture ratio of 1:2:3 of stone:gravel:cement mix.ow much weight can a 5 thick concrete slab withstand before it will crack? Update: It's a garage floor (standard 2-car) and my husband is planning on putting a milling machine or something like it in there.