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Vaulted Stair House

Location
Alabama
Type
Residential
Year
2026

A two-storey house laid out on the architect's reflected ceiling plans. The vaulted living room and kitchen use their slopes, with accent heads aimed at the walls for art, and the stair under the open-to-below void is lit from heads set plumb on sloped-ceiling adapters.

Scope
Two floors: living, kitchen, dining, game room, primary suite, guest rooms, covered terrace and porch
Systems
Adjustable micro-flange and multi-head downlights, wet-rated soffit downlights, accent spotlights, under-cabinet tape

Layout and footcandles

The plan, and the light it delivers.

Footcandles
0102030405060+
First floor illuminance plan in footcandles over the whole floor, with isolux lines and per-zone average and minimum labels.
First floor lighting layout over the architect's reflected ceiling plan: adjustable downlights, square multi-head fixtures, accent spotlights on the vaults and wet location soffit downlights on the terrace and porch.
LayoutFootcandles
First floorDrag the handle to compare the layout with its footcandle study
Second floor illuminance plan in footcandles with isolux lines and per-zone average and minimum labels.
Second floor lighting layout: adjustable downlights in the guest rooms, baths, bridge hall and bunk wing, with stair accent heads over the open-to-below void.
LayoutFootcandles
Second floorDrag the handle to compare the layout with its footcandle study

Calculated results

Every room against its target.

Measured at the plane where the task happens: counters and desks at working height, halls and stairs at the floor.

Calculated maintained illuminance by room, in footcandles
RoomPlaneTarget fcAverage fcMinimum fcUniformity
Living2.5 ft above floor10920.19
Game Room2.5 ft above floor102220.07
Dining2.5 ft above floor10300.03
Kitchen2.5 ft above floor404030.08
Scullery2.5 ft above floor3057140.24
Elec. & Data2.5 ft above floor10800
Powder2.5 ft above floor155800
Entry FoyerFloor102750.19
Maintained values from the issued calculation report. Uniformity is minimum over average.

In the package

  • Lighting layout, first floorE-01
  • Lighting layout, second floorE-02
  • Illuminance plan, first floorE-01L
  • Illuminance plan, second floorE-02L
RCPIlluminanceCalc reportBOM

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