Burying the plumbing

STS Plumbing is back on site today to set and bury the rest of the plumbing lines needed under the house. Unlike houses built with a basement where you can conceivably access mechanical runs to the first floor, our house is being built on-grade (no basement or crawlspace), so there’s no ‘second chance’ for certain aspects of installing first-floor plumbing. We’ve come to really appreciate Matt’s attention to detail, but no more so than checking and double-checking the placement of his crew’s work at this stage.

At the end of this day, the foundation walls look like a planter with white sprouts rising from its sandy soil; the garage and cellar, meanwhile, have drains strategically placed for the concrete slabs that will be poured around them next week.



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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