Stair Design Guide: Difference between revisions

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Original step design - [[File:stairs.fcstd]]
=2022 Working Doc=


<html> <iframe src="https://docs.google.com/presentation/d/e/2PACX-1vQO2wRsNE9CoxflTQ8pOgC17qKLZ7FnqMUvas5S_5CdB7mxekjVnU3PUyCXeynoTTyk4JSQJyIUgjKJ/embed?start=false&loop=false&delayms=3000" frameborder="0" width="480" height="389" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe> </html>


==Stairway for SeedHome v2==
[https://docs.google.com/presentation/d/1PVthbAE4RLofESfE-zPzF8QrbQlbA4nnpEpSbuGXxLs/edit#slide=id.g161b0a00624_0_16 edit]


We have 121.125" to the top of the 2nd story flooring from the top of the sill, then we need to add 1.5" for the sill, which makes the total rise 122.625"
=2022 Version=
We went from 2-'stringer'-blocking design (of [[2021 Stair Design Guide]]) to regular, 3-stringer design.


The stair landing takes care of 6.25" (5.5" 2x6 plus 3/4" planks), so the stairway needs to rise 116.375"
<gallery perrow=6 >


15 steps of 7-3/4" (the maximum allowed by code) is 116.25"
File:workginlandingdetail.png|'''Working landing utility channel detail.'''  [[File:workginlandingdetail.fcstd]].  


That leaves 1/8" to make up somewhere (add 1/8" to the landing?)


File:staires.png|'''Stairs.''' [[File:seh2stairs.fcstd]]. See [https://docs.google.com/presentation/d/1N1lS8RBMy0Y0JnR_h1tz23CYFoR5zespNG4T5m4nnZE/edit#slide=id.gd0d0ba6c1a_0_0] for Stair Design Guide - with stringers.


Steps are 42.125" wide, 11.25" deep with 7 3/4" rise
File:seh4landing.png|'''Landing.''' [[File:seh4landing.fcstd]]. SEH 2 version at [[File:Landing.fcstd]]


[[File:stairs_test.png|100px]]
</gallery>
[[File:house_w_stairs.png|100px]]
=Build=
How to cut stringer:
*Make a jig - https://www.youtube.com/watch?v=ln8N0ctWLMg. For standardized stairs doable by a novice - can't beat the simplicity.
*Author justs marks for 7 steps


<html><iframe width="560" height="315" src="https://www.youtube.com/embed/ln8N0ctWLMg" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></html>


{{Hint: these are the old files - update pending}}
Simpson version of stringer hanger:
[[File:stairs_detail.fcstd]] - Detailed design file


[[File:stairs_simple.fcstd]] - Simple object with approximate position for merge into master
<html><iframe width="560" height="315" src="https://www.youtube.com/embed/XS4NAqsoOyE" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></html>
 
 
More:
 
<html><iframe width="560" height="315" src="https://www.youtube.com/embed/iALK0-n-81c" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></html>
 
=BOM=
*Mitek - [https://www.menards.com/main/hardware/fasteners-connectors/construction-hardware/miscellaneous-connectors/mitek-reg-5-x-9-3-4-triple-zinc-concealed-stringer-hanger/csh-tz/p-1444445471577-c-8865.htm]
*Simpson - [https://www.lowes.com/pd/Simpson-Strong-Tie/5013278905?cm_mmc=shp-_-c-_-prd-_-bdm-_-ggl-_-LIA_BDM_103_Roofing-Gutters-_-5013278905-_-local-_-0-_-0&ds_rl=1286981&gclid=CjwKCAjws--ZBhAXEiwAv-RNL-1P3mbgrmpHmuZJzpp9IfvBa0AGI9QQqs-8_vrzvIzYfp6lUZBaChoC-kIQAvD_BwE&gclsrc=aw.ds]
*https://www.menards.com/main/building-materials/lumber-boards/dimensional-lumber/2-x-12-1-southern-yellow-pine-construction-framing-lumber/1022190/p-1444422422543-c-13125.htm
 
=Prior Art=
*[[Stair Design Guide]]
*[[Seed Eco-Home 2 Stairs]]
*From [[House Design Guide]] - [https://docs.google.com/presentation/d/1N1lS8RBMy0Y0JnR_h1tz23CYFoR5zespNG4T5m4nnZE/edit#slide=id.gd0d0ba6c1a_0_0]
*[[Stair_Design_Guide#Working_Doc]]
 
=Future Work=
*3D printed stringers make life digital, and could be used as templates.
 
=Links=
*[[FreeCAD Stair Designer]].
*[[House Design Guide]] has general design notes - specifically {{check}} [https://docs.google.com/presentation/d/1N1lS8RBMy0Y0JnR_h1tz23CYFoR5zespNG4T5m4nnZE/edit#slide=id.gd0d0ba6c1a_0_0 here]
*[[2021 Stair Design Guide]] - work prior to using regular stringers, which turns out to be easier to build after all.

Latest revision as of 01:03, 10 October 2022

2022 Working Doc

edit

2022 Version

We went from 2-'stringer'-blocking design (of 2021 Stair Design Guide) to regular, 3-stringer design.

Build

How to cut stringer:

Simpson version of stringer hanger:


More:

BOM

Prior Art

Future Work

  • 3D printed stringers make life digital, and could be used as templates.

Links

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