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With the nailed block method, wood blocks are attached to the sill plate and the cripple wall plywood is attached to the block to provide shear strength for correctly bracing a cripple wall in a seismic retrofit

With the nailed block method, wood blocks are attached to the sill plate and the cripple wall plywood is attached to the block to provide shear strength for correctly bracing a cripple wall in a seismic retrofit
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Wrong - An unbraced water heater in this home fell during an earthquake; the resulting fire destroyed the home.

Wrong - An unbraced water heater in this home fell during an earthquake; the resulting fire destroyed the home.
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Wrong - Framing a dormer using only toe nailing and end nailing is not acceptable in areas subjected to high winds, hurricanes, or earthquakes.

Wrong - Framing a dormer using only toe nailing and end nailing is not acceptable in areas subjected to high winds, hurricanes, or earthquakes.
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Wrong – Refrigerator was not properly secured to the wall studs of the home.

Wrong – Refrigerator was not properly secured to the wall studs of the home.
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Wrong – The cabinets and drawers were not outfitted properly with mechanical or self-locking latches, causing them to swing open and spill their contents onto the floor.

Wrong – The cabinets and drawers were not outfitted properly with mechanical or self-locking latches, causing them to swing open and spill their contents onto the floor.
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Wrong – The cripple wall beneath this house failed in an earthquake

Wrong – The cripple wall beneath this house failed in an earthquake
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Wrong – The house was not bolted to the foundation and shifted off the foundation during an earthquake.

Wrong – The house was not bolted to the foundation and shifted off the foundation during an earthquake.
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Wrong – The stud should not be positioned over seismic bolts then cut away, which reduces the stud’s load capacity; Shift the stud or specify stud and bolt positions in plans.

Wrong – The stud should not be positioned over seismic bolts then cut away, which reduces the stud’s load capacity; Shift the stud or specify stud and bolt positions in plans.
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Wrong – This ductless mini-split heat pump was installed above an exterior door allowing conditioned air to escape when the door is opened, heat transfer through the door, and temperature fluctuations that could impact the unit’s thermostat.

Wrong – This ductless mini-split heat pump was installed above an exterior door allowing conditioned air to escape when the door is opened, heat transfer through the door, and temperature fluctuations that could impact the unit’s thermostat.
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Wrong – This water heater was not braced; it fell during an earthquake and ruptured the gas line causing a house fire.

Wrong – This water heater was not braced; it fell during an earthquake and ruptured the gas line causing a house fire.
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Wrong: Sized per Approach 1 or 2, this heat pump’s modulating zone has a small overlap with the home’s heating load line, resulting in a large amount of short-cycling; the unit will require backup heat when the temperature is below 25°F

Wrong: Sized per Approach 1 or 2, this heat pump’s modulating zone has a small overlap with the home’s heating load line, resulting in a large amount of short-cycling; the unit will require backup heat when the temperature is below 25°F
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Wrong: Sized per Approach 3, there is minimal overlap between this heat pump’s modulating zone and the home’s heating load line, causing excessive short-cycling; it will require backup heat and may not contribute significantly at temperatures below 5°F

Wrong: Sized per Approach 3, there is minimal overlap between this heat pump’s modulating zone and the home’s heating load line, causing excessive short-cycling; it will require backup heat and may not contribute significantly at temperatures below 5°F
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Wrong: Sized per Approach 3, there is small overlap between this heat pump’s modulating zone and the home’s heating load line, resulting in excessive short-cycling; it will require backup heat when the temperature is below 5°F

Wrong: Sized per Approach 3, there is small overlap between this heat pump’s modulating zone and the home’s heating load line, resulting in excessive short-cycling; it will require backup heat when the temperature is below 5°F
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Wrong: This heat pump is oversized even for Approach 4, and its modulating zone has a small overlap with the home’s heating load line, resulting in a large amount of short-cycling.

Wrong: This heat pump is oversized even for Approach 4, and its modulating zone has a small overlap with the home’s heating load line, resulting in a large amount of short-cycling.
Video:

Your Northern Home: Small Space Heater Maintenance