.. _lbl-dldb_damage_FEMA_P58_2nd_C_20_11

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C.20.11 - Stair Construction
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The following models are available:



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   <p class="dl_comp_name"><b>C.20.11.001a</b> | Prefabricated steel stair with steel treads and landings with seismic joints that accommodate drift.</p> 
   <div>

| Flexible stair with seismic interstory slip joint.  Steel prefab stringers, steel or concrete filled pan treads.
| Construction Quality: Normal
| Seismic Installation Conditions: All
| Notes: User to provide median demand and dispersion values.  The values listed are default PACT values and do not represent the response of this component.


Suggested Block Size: 1 EA 



The following repair consequences are available for this model:



**Carbon**

.. raw:: html
   :file: C.20.11.001a-Carbon.html



**Cost**

.. raw:: html
   :file: C.20.11.001a-Cost.html



**Energy**

.. raw:: html
   :file: C.20.11.001a-Energy.html



**Time**

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   :file: C.20.11.001a-Time.html



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   <hr>



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   <p class="dl_comp_name"><b>C.20.11.001b</b> | Prefabricated steel stair with steel treads and landings with no seismic joint.</p> 
   <div>

| Flexible stair without seismic interstory slip joint.  Steel prefab stringers, steel or concrete filled pan treads.
| Construction Quality: Normal
| Seismic Installation Conditions: All
| Notes: Confirm median demand and dispersion values


Suggested Block Size: 1 EA 



The following repair consequences are available for this model:



**Carbon**

.. raw:: html
   :file: C.20.11.001b-Carbon.html



**Cost**

.. raw:: html
   :file: C.20.11.001b-Cost.html



**Energy**

.. raw:: html
   :file: C.20.11.001b-Energy.html



**Time**

.. raw:: html
   :file: C.20.11.001b-Time.html



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   <hr>



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   <p class="dl_comp_name"><b>C.20.11.011a</b> | Non-monolithic precast concrete stair assembly with concrete stringers and treads with seismic joints that accommodate drift.</p> 
   <div>

| Rigid stair with seismic interstory drift joint.  Precast concrete stair.
| Construction Quality: Normal
| Seismic Installation Conditions: All
| Notes: User to provide median demand and dispersion values.  The values listed are default PACT values and do not represent the response of this component.


Suggested Block Size: 1 EA 



The following repair consequences are available for this model:



**Carbon**

.. raw:: html
   :file: C.20.11.011a-Carbon.html



**Cost**

.. raw:: html
   :file: C.20.11.011a-Cost.html



**Energy**

.. raw:: html
   :file: C.20.11.011a-Energy.html



**Time**

.. raw:: html
   :file: C.20.11.011a-Time.html



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   <hr>



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   <p class="dl_comp_name"><b>C.20.11.011b</b> | Non-monolithic precast concrete stair assembly with concrete stringers and treads with no seismic joint.</p> 
   <div>

| Rigid stair without seismic interstory drift joint.  Precast concrete stair.
| Construction Quality: Normal
| Seismic Installation Conditions: All
| Notes: Confirm median demand and dispersion values.  Base document noted that there was insufficient data to establish median demand or dispersion values.  The median demand and dispersion values listed are from a best fit approximation of the data performed by MKA.


Suggested Block Size: 1 EA 



The following repair consequences are available for this model:



**Carbon**

.. raw:: html
   :file: C.20.11.011b-Carbon.html



**Cost**

.. raw:: html
   :file: C.20.11.011b-Cost.html



**Energy**

.. raw:: html
   :file: C.20.11.011b-Energy.html



**Time**

.. raw:: html
   :file: C.20.11.011b-Time.html



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   <hr>



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   <p class="dl_comp_name"><b>C.20.11.021a</b> | Monolithic cast-in-place and precast concrete stairs with seismic joints that accommodate drift - replace in kind if replacement is required.</p> 
   <div>

| Cast in place concrete stair, with seismic interstory drift joint
| Construction Quality: Normal
| Seismic Installation Conditions: All
| Notes: User to provide median demand and dispersion values.  The values listed are default PACT values and do not represent the response of this component.


Suggested Block Size: 1 EA 



The following repair consequences are available for this model:



**Carbon**

.. raw:: html
   :file: C.20.11.021a-Carbon.html



**Cost**

.. raw:: html
   :file: C.20.11.021a-Cost.html



**Energy**

.. raw:: html
   :file: C.20.11.021a-Energy.html



**Time**

.. raw:: html
   :file: C.20.11.021a-Time.html



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   <hr>



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   <p class="dl_comp_name"><b>C.20.11.021b</b> | Monolithic cast-in-place and precast concrete stairs with no seismic joints - replace in kind if replacement is required.</p> 
   <div>

| Cast in place concrete stair, no seismic interstory drift joint
| Construction Quality: Normal
| Seismic Installation Conditions: All
| Notes: User to provide median demand and dispersion values.  The values listed are default PACT values and do not represent the response of this component.


Suggested Block Size: 1 EA 



The following repair consequences are available for this model:



**Carbon**

.. raw:: html
   :file: C.20.11.021b-Carbon.html



**Cost**

.. raw:: html
   :file: C.20.11.021b-Cost.html



**Energy**

.. raw:: html
   :file: C.20.11.021b-Energy.html



**Time**

.. raw:: html
   :file: C.20.11.021b-Time.html



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   <hr>



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   <p class="dl_comp_name"><b>C.20.11.021c</b> | Monolithic cast-in-place and precast concrete stairs with seismic joints that accommodate drift - replace with prefabricated steel stair if replacement is required.</p> 
   <div>

| Cast in place concrete stair, with seismic interstory drift joint
| Construction Quality: Normal
| Seismic Installation Conditions: All
| Notes: User to provide median demand and dispersion values.  The values listed are default PACT values and do not represent the response of this component.


Suggested Block Size: 1 EA 



The following repair consequences are available for this model:



**Carbon**

.. raw:: html
   :file: C.20.11.021c-Carbon.html



**Cost**

.. raw:: html
   :file: C.20.11.021c-Cost.html



**Energy**

.. raw:: html
   :file: C.20.11.021c-Energy.html



**Time**

.. raw:: html
   :file: C.20.11.021c-Time.html



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   <hr>



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   <p class="dl_comp_name"><b>C.20.11.021d</b> | Monolithic cast-in-place and precast concrete stairs with no seismic joints - replace with prefabricated steel stair if replacement is required.</p> 
   <div>

| Cast in place concrete stair, no seismic interstory drift joint
| Construction Quality: Normal
| Seismic Installation Conditions: All
| Notes: User to provide median demand and dispersion values.  The values listed are default PACT values and do not represent the response of this component.


Suggested Block Size: 1 EA 



The following repair consequences are available for this model:



**Carbon**

.. raw:: html
   :file: C.20.11.021d-Carbon.html



**Cost**

.. raw:: html
   :file: C.20.11.021d-Cost.html



**Energy**

.. raw:: html
   :file: C.20.11.021d-Energy.html



**Time**

.. raw:: html
   :file: C.20.11.021d-Time.html



.. raw:: html

   <hr>



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   <p class="dl_comp_name"><b>C.20.11.031a</b> | Hybrid stair assembly with steel stringers and concrete treads and landings with seismic joints that accommodate drift.</p> 
   <div>

| Stair consists of steel stringers with precast treads rigidly linked to stringer
| Construction Quality: Normal
| Seismic Installation Conditions: All
| Notes: User to provide median demand and dispersion values.  The values listed are default PACT values and do not represent the response of this component.


Suggested Block Size: 1 EA 



The following repair consequences are available for this model:



**Carbon**

.. raw:: html
   :file: C.20.11.031a-Carbon.html



**Cost**

.. raw:: html
   :file: C.20.11.031a-Cost.html



**Energy**

.. raw:: html
   :file: C.20.11.031a-Energy.html



**Time**

.. raw:: html
   :file: C.20.11.031a-Time.html



.. raw:: html

   <hr>



.. raw:: html

   <p class="dl_comp_name"><b>C.20.11.031b</b> | Hybrid stair assembly with steel stringers and concrete treads and landings with no seismic joints.</p> 
   <div>

| Stair consists of steel stringers with precast treads rigidly linked to stringer
| Construction Quality: Normal
| Seismic Installation Conditions: All


Suggested Block Size: 1 EA 



The following repair consequences are available for this model:



**Carbon**

.. raw:: html
   :file: C.20.11.031b-Carbon.html



**Cost**

.. raw:: html
   :file: C.20.11.031b-Cost.html



**Energy**

.. raw:: html
   :file: C.20.11.031b-Energy.html



**Time**

.. raw:: html
   :file: C.20.11.031b-Time.html



.. raw:: html

   <hr>