Economical Building Strategies for 20,000 Square Feet: Ground Floor vs. Two-Storey Options
When planning to build a structure covering 20,000 square feet, two common strategies emerge: constructing the entirety on one floor, or dividing it into two 10,000 square feet multi-story buildings. While the initial budget and existing factors play a crucial role, this analysis focuses on the cost-effectiveness of each approach, highlighting the potential savings and advantages.
Single Ground Floor vs. Two-Storey Construction
According to Alwys Robinson BE Civil DBM Finance, constructing 20,000 square feet on a single ground floor can be more economical from a budget of 15 to 20 percent. This is primarily because several construction-related costs are either reduced or minimized when the structure is built on a single level. Let's delve into the specific savings.
Reduced Foundation Costs
One of the significant advantages of building the entire 20,000 square feet on a single ground floor is the reduction in foundation costs. Foundations typically account for approximately 30 percent of the total construction costs. By avoiding the need to construct a second floor, you save a considerable amount on the foundational work. This translates to substantial cost savings throughout the project.
Lower Structural Design Costs
The RCC (Reinforced Cement Concrete) structure design for a single ground floor and first floor remains largely the same. As a result, the costs associated with the basement design can be reduced by up to 40 percent. For a total project cost of 200,000 square feet, this amounts to a savings of about 80,000 (
Reduced Additional Costs for Multi-Story Buildings
When building a multi-story structure, several additional costs come into play. For instance, the parapet wall requires extra materials and labor, contributing to a reduction in cost by up to 33 percent. Similarly, the weathering course and compound wall costs can be reduced by the same percentage. These savings, though smaller in absolute terms, add up when considered in the overall cost structure.
Enhanced Future Flexibility and Investment Opportunities
Beyond the immediate cost savings, building on a single ground floor offers additional benefits. If you decide to expand in the future, adding another floor is a straightforward process. This flexibility can be advantageous for long-term investment and growth. Additionally, the ground floor of a large structure can generate income through lease agreements, enhancing the overall financial returns.
Conclusion
In summary, building a 20,000 square feet area on a single ground floor is more economical in terms of 15 to 20 percent of the total budget. This approach not only cuts down on various construction-related costs but also provides future expansion options and potential income streams. However, for more detailed and individualized assessments, consulting a professional civil engineer or construction expert is highly recommended.
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