The increasing number of congregation members has created higher demand for parking space at HKBP Perumnas Klender Church. Before the renovation, the existing area was no longer sufficient to accommodate vehicles efficiently. Limited space, poor layout organization, and lack of sanitation facilities reduced user convenience.
Sudarno P Tampubolon from Christian University of Indonesia explained that developing a parking area is not just about expanding land, but also ensuring that the design meets safety standards and long-term needs. The project involved field surveys, soil assessments, two-dimensional and three-dimensional design planning, and direct technical supervision throughout the construction process.
The method was practical and systematic. It started with identifying needs, demolishing old structures, compacting the soil, installing septic tanks, reinforcing culvert structures, pouring concrete, and completing finishing and curing processes to maintain concrete quality.
The redesign resulted in a more organized and safer parking layout. Vehicle entry and exit routes became clearer, motorcycle parking capacity increased, and user movement became more flexible. These adjustments followed common public facility planning standards.
An important additional feature was the installation of a septic tank. This sanitation system was designed not only for current needs but also to support possible future changes in building functions. This makes the infrastructure more adaptive and sustainable over time.
Sudarno P Tampubolon from Christian University of Indonesia emphasized that technical supervision was the key factor behind the project’s success. Every stage, from soil compaction to concrete casting, followed technical specifications to ensure durability and structural quality. The supervision also helped church partners improve their understanding of construction project management.
The final results showed significant improvements in parking quality. The concrete surface became smoother, drainage systems worked better, vehicle capacity increased, and user access became more comfortable. These improvements support more organized worship activities, especially during peak attendance.
More broadly, the study shows that supporting infrastructure in religious facilities is often overlooked, despite its major impact on service quality. The HKBP Perumnas Klender parking redesign demonstrates that simple technical interventions, when properly planned, can optimize space efficiency and strengthen the social function of religious institutions.
This case can serve as a model for other churches and social facilities facing similar land limitations and increasing parking demands. A survey-based approach, adaptive design, and technical supervision can provide a cost-effective and sustainable solution.
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