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Sample Construction Plans

Detached ADU

These sample drawings demonstrate the level of coordination and detail included in ISE's permit-ready construction documents. Client information, dimensions, proprietary notes, and project-specific engineering have been removed for presentation purposes.
Detached ADU architectural and structural design in San Jose, CA, including floor plans and exterior elevations.
ADU Site Plan
For this detached ADU, the site plan was used to carefully position the new dwelling within an irregular San Jose lot while maintaining required setbacks, access, and separation from the existing home.
  • ADU placement within the existing property
  • Required setbacks and building separation
  • Access and relationship to the main residence
Interior Kitchen Design
The interior elevations were developed to coordinate cabinetry, appliances, finishes, and storage within the compact ADU kitchen, creating a functional layout with a clean, cohesive residential feel.
  • Custom cabinet and appliance layout
  • Efficient storage and workspace planning
  • Coordinated finishes and interior detailing
  • Designed for everyday functionality
ADU Floor Plan
The floor plan was designed to create a complete two-bedroom home within a compact footprint, combining an open kitchen and living area with private bedrooms, a full bathroom, dedicated laundry, and efficient circulation.
  • Two-bedroom, one-bathroom layout
  • Open kitchen and living space
  • Dedicated laundry and storage
  • Efficient use of an irregular building footprint
ADU Exterior Elevations
The exterior elevations illustrate the ADU’s overall architectural character, rooflines, proportions, openings, and exterior materials from multiple sides of the building.
  • Front, rear, and side elevations
  • Rooflines and exterior proportions
  • Window, door, and entry locations
  • Exterior material coordination
  • Overall architectural character
ADU Roof Plan
The roof plan coordinates the ADU’s roof form, slopes, ridges, and drainage while supporting the architectural design and structural framing requirements.
  • Roof layout and overall configuration
  • Slopes, ridges, and drainage
  • Coordination with structural framing
  • Integration with the ADU’s architectural design
ADU Foundation Plan
The foundation plan defines the structural support system for the ADU, including footing locations, slab and foundation requirements, and the elements needed to safely transfer building loads to the ground.
  • Footing and foundation layout
  • Slab and structural support requirements
  • Load transfer and reinforcement
  • Coordination with the ADU framing design
Building Sections
Building sections show how the ADU is assembled vertically, illustrating the relationship between the foundation, walls, ceilings, roof structure, and interior spaces.
  • Foundation-to-roof relationships
  • Ceiling and wall heights
  • Roof and framing coordination
  • Structural assembly and construction details
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