Massachusetts Construction Supervisor License (CSL) Practice Test

What is a common cause of foundation failure?

1. A. Using too much concrete

2. B. Poor drainage management

3. C. Excessive landscaping

4. D. Improper paint application

The correct answer is: B. Poor drainage management

Poor drainage management is a common cause of foundation failure, primarily because it can lead to soil saturation and accumulation of water around the foundation. When water does not drain properly, it increases the moisture levels in the soil, which can cause the soil to expand and contract. This movement places stress on the foundation, potentially leading to cracks, settling, and other structural issues. Good drainage management includes grading the land away from the foundation, installing gutters and downspouts to divert water, and using drainage systems to manage water flow. Without these measures, water can pool around the foundation, undermining its stability and integrity over time. While using too much concrete could lead to issues related to weight and stress distribution, and excessive landscaping might affect soil moisture levels, these factors are not as direct or common in causing foundation failure as poor drainage management. Improper paint application, although it could affect the aesthetics and surface protection of materials, has no relation to the structural integrity of the foundation itself.