Footings

Back on site this morning; today picks up where yesterday left off, with more sunshine than clouds—and a new group. A crew from Koball’s Poured Walls is on track to pour the footings today (before the next round of storms move in tonight and tomorrow!).

Just before setting the frames and forms, Jesse and Bruce double-check elevations, discovering that the cellar footings need to be dug 4-inches deeper into the sand; on the other hand, yesterday’s trenching around the house and the garage was so precise that the crew is spared from building other framing, choosing instead to pour directly into the trenches. Prep on all fronts is completed by mid-afternoon, just as ready-mix arrived from Rushford to pour the trenches and fill other forms to the brim.

Now it sits for a couple days. Weather permitting, the crew returns later this week to complete the foundation walls. This isn’t much of an entry given the hard work these guys did today—so the pictures tell the story. It was a lot!

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Location

Lanesboro, Minnesota
Climate Zone 6 (cold/moist)
Latitude: 43° 44' 18'' N
Longitude: 91° 54' 48'' W

House Size

Net Treated Floor Area: 1,514 SF
Gross Square Footage (House only): 2,210 SF

Building Envelope

Roof: R-99
Wall: R-61
Ground: R-53

Windows & Doors

Glazing: U-0.10 BTU / hour / sq. ft.
Solar Heat Gain Coefficient (SHGC): 0.48”
Frame: U-0.19 BTU / hour / sq. ft.

Modeled Performance

Specific Primary Energy Demand (Source Energy Demand): 12.1 kBTU / sq. ft. / year

Specific Space Heat Demand: 7.0 kBTU/sq. ft. / year

Peak Heating Load: 7,047 BTU / hour

Space Cooling Demand: 0.44 kBTU / sq. ft. / year

Peak Cooling Load: 3,625 BTU / hour

Pressure Test Goal: Whole House Air Changes Per Hour (ACH) = 0.4 ACH 50

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