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David H. 16x25 Barn Roof Cabin

Posted on March 31, 2014 at 10:45 AM

"The design uses 2x6 on 16" centers for better insulation for lower heating and cooling. The roof uses a Gambrel (barn roof) design for more head room in the loft. The roof design uses 2 x 8 on 16" centers for strength. The sheathing is 3/4 inch OSB or plywood for sheer on the walls and roof. The outer covering is steel. I estimate that the building material cost is between $5k to $7k. The plan is to have a well and septic system for the house at a cost of about $12k.

 

The electrical will be supplied by 14 250 Watt Solar cells each with an Enphase m250 micro inverter AC coupled to a Magnum MS-PAE for battery charge and isolated grid creation. I have designed a module (on/off switch) to go between the Solar panel and the micro inverter to shut down each inverter one at a time to balance the power to the loads and batteries. I am designing another circuit that will monitor the battery Voltage and the grid Voltage to control the on/off switch.

 

The bed/living room is down stairs. The bed is a Murphy tip up style. I used stairs up to the loft to make it easier to get up and down and carry stuff up and down. The stairs are 9" run by 9" rise. The kitchen is on the South wall with a full electric refrigerator propane stove / oven. I have room for a stacking washer / dryer. The hot water is supplied by a on demand unit that uses propane. The bath room is in the South / West corner of the house with a 3' x 3' shower, standard toilet, and sink. The bath room is built with 2 x 4 studs and uses a sliding door. The unit that divides the kitchen from the bed room has shelves for kitchen storage. I also have cabinets in the kitchen over the sink, stove, and refrigerator.

 

The loft joist are 2 x 10 on 16 " centers with 3/4 inch plywood floor. The ceiling in the loft is Thrifty White 32 sq. ft. Hardboard Panel Board to help with lighting. The area in the loft over the bath room will hold the well water pressure tank as the bathroom walls will provide the additional support. The loft will be used for office and hobby room. The loft will also hold the controls for the Solar power. The batteries will reside out side in a sunken vault to help keep constant temperature. I haven't decided yet what type of foundation to use for the house."




Categories: 2014 Contest Submissions

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