OSE Microhouse Prototype Build
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Linked from OSE Microhouse . Page edited by
, design by
Cohabitat Group with adherence to
and
. To be built with
CEB Press IV supported by
Prototype IV,
Prototype I,
Prototype III,
Prototype V and VI,
Prototype I,
Prototype I, industry standard
and industry standard
.
Design Discussion
Notes:
- Spread Footer: 1:50
- Wall 14" wide - double wall with thermal breaks, see Earth Sheltered House and Double Wall Brick Laying with Thermal Break Video
- 2:30 - gravel base,
- 2:50 - pea gravel - 6" wider than footer
Design Rationale
- Breakthrough cost to performance ratio by DIT Collaborative Production. Goal: $4/sf.
- Breakthrough construction time: 2 days with 5 people for every 300 square feet of house space for modular structure
- Preframed door, window, roof. mechanical/kitchen units.
- Modular structure, additions can be made on-demand
- Wall-integrated Stove
- CEB Floors
- Double CEB Walls insulated with hammer-milled straw
- Built-in winter-round greenhouse
- Locally milled lumber
Design
Foundation
- Shallow insulated footer technique. Works for heated structures to prevent frost heave.
- Inside - poly goes under footer
- Outside - poly goes up footer and under insulation
Walls
Door and Window Detail
Mechanical Unit
Cost Structure
- Cement footer: $100/cu yd
- Insulation: $35/sheet of 2" pink board for skirt - 6 sheets per unit - $200
Calculations
- Footer: 18" wide, 1 cubic foot of concrete per foot of double wall foundation
Build
Links
- Wall Details from Cohabitat Group - Microhouse_Architectural_Details
- Includes download of MacroHabitat - a CEB house designed by Paweł Sroczyński for OSE.
- Wall Details from Floyd Hagerman - HabLab Build
- OSE_Roof_Instructions - instructions for modular flat roof sections
- How to Build a Brick Wall
- CEB_Architecture_Plans
- Open Source Architecture - TED Talk
- Open_source_strawbale_design