ADU construction

Siting on the lot

Building envelope and systems

Heating & Cooling system

Home size

Air Sealing Insulation

The three most significant factors to reduce the energy footprint of a home’s occupants:

Location

Microneighborhood

Walkability

Accessory Dwelling Unit:

Construction

Start to FinishApril 2011-Septemeber 2011

Integrated Design Process

For an ADU, the IDP should ideally include people who play the following roles:homeowner, architect, builder, plumber, electrician, mechanical, landscaper

3D Model

Contact Nathan Korhmann (nkohrmann@gmail.com)

Excavation

Concrete Forms

Concrete Foundation Walls

Gravel

Vapor Barrier

Rigid Foam, Rebar, and Pex Tubing for Radiant Heat

Concrete Slab

Utilities: Sewer and drainage pipes

Sewer extends from main house for ADUs

Utilities: Water

Water extends from main house for ADUs

Utilities: Electrical

Electric varies: sometimes you may add a subpanel to the main house to serve the ADU. Sometime, you’ll have to add a new “service drop” directly from the street to serve to the ADU

Utilities: Gas

For gas, your gas company will add a 2nd meter and you’ll have to run a new gas line from it to serve the ADU

Framing

Framing: Windows and doors

Framing: Stairs

Framing: Roof

Framing: Sheathing

Roofing

Weather and Air Resistant Barrier

Rough Plumbing

Mechanical: (eg. Heat Recovery Ventilator)

Mechanical: Tankless Water Heater

COLD WATER IN

HOT WATER OUT

Mechanical: Radon Mitigation

Lighting and Electric

Air Sealing

Insulation: Batts

Insulation: Closed Cell Spray Foam

Insulation: Blown in

Drywall (aka Sheetrock)

Drywall: Mudding, Sanding, Priming

Shingles & Rain Screen

Siding

Staining and Sealing Concrete Flooring

Reused Flooring

Tiling

Painting

Cabinets & Shelving

Finish Plumbing

Finish Electrical and Lighting

Certificate of Occupancyand Moving In

Modifications

Questions