This is a technical CAD drawing illustrating the detailed cross-sections of an underground structure, most likely a reinforced concrete planter box or a utility pit.

The drawing consists of three section views at varying levels of detail, describing the structure’s composition from a general overview to specific components.

Overview:

• Purpose: This drawing serves as a construction guide, clearly defining the material layers, dimensions, and installation methods for the underground pit.
• Main Structure: It features a reinforced concrete box set below ground or slab level. The structure includes pipe sleeves that penetrate the base slab.

Detailed Description of Each Section:

1. Section 1:

• This view displays the overall structure of a smaller box, which may be a different variant or part of a larger system.
• It shows the concrete walls and base.
• The interior is filled with a hatched material (representing soil media or a filter layer).
• Pipe sleeves are shown extending upwards from the base.
• Basic dimensions and surface finishing layers are annotated.

2. Section 2:

• This is the most detailed cross-section, clearly illustrating every construction layer.
• Concrete Walls and Base: These form the primary structural element.
• Waterproofing Layer: A waterproofing membrane is applied to the external face of the concrete wall to prevent water ingress from the surrounding soil.
• Protection Layer: Protection boards and/or drainage cells are placed outside the waterproofing membrane to protect it from damage during backfilling.
• Interior: The box is filled with a hatched material (e.g., soil, gravel, or engineered filter layers). Three large pipes run vertically from the base to the top.
• Top Finishing: The top edge of the box is meticulously detailed with coping, a drainage channel, and surface finishing materials (e.g., granite pavers).
• Drainage Pipes: PVC pipes penetrate the concrete base, likely for irrigation or drainage. The pipe penetrations are carefully sealed to maintain water tightness.

3. Section 3:

• This view focuses on the detail at the junction between the underground box and an adjacent wall or structure.
• It provides further clarification on the waterproofing and protection layers on the side abutting the wall.
• It also shows the composition of the adjoining wall (possibly a basement wall).

In summary, this is a professional and detailed technical drawing used in construction. It specifies the complete assembly of an underground concrete planter box or utility pit, with a strong emphasis on waterproofing solutions and finishing details.

430. Free Download Detailed CAD Drawing of a Concrete Planter Box

Additionally, you can browse and download more free CAD drawings of technical construction details here.

• File format: .DWG
• Size: 760 KB
• Source: Collect
• AutoCAD platform 2018 and later versions. For downloading files there is no need to go through the registration process