old_smokey
Well-known member
Hi all,
I'm in the process of planning my next garage. I will be building it myself, with the exception of concrete work. While I have experience building things, I don't have experience with the planning and permitting process. Looking for some guidance.
I have read my local permitting guides and I think I understand what they require. I need a demolition permit to remove my old shack and driveway, a building location certificate/survey, a development permit, building permit with a variance in my particular situation (need to build a bit closer to the property line than usual, and one foot over max height if I can), and an electrical permit.
I am planning a 16x22 building, two stories, with a gambrel roof - built with rafters and ridge beams in order to maximize interior space.
Permits for two story garages here require stamped building drawings and an "engineered foundation".
Thing is, I don't know who to contact to get drawings made. Or can I do my own in Sketch-Up or something and bring that to an engineer?
Do I contact an architect (expensive??), draftsman, architectural technician, lumber yard, something else? I've been emailing a bunch of local companies and the permit office but am not getting any replies back.
Only firm that responded was a structural engineering firm which said they could review supplied plans and stamp/revise them as needed.
Am I barking up the wrong trees?
I have all the details mapped out in my mind and rough sketched on paper. If you're curious (this IS garage journal after all) here's what I have planned:
- Foundation would ideally be a thickened edge slab - approx 12" thickened edge, with a 6" curb on top. Slab would be 6" thick in the centre, 2" rigid insulation all around, with pex for future radiant hook-up.
- Walls would be 2x6 framing, 16" OC. Framed for carriage doors at the backlane, a man door on the opposite wall, and a single picture window next to the man door.
- Ceiling joists would be 2x12. My lumber yard span charts suggest if I run them 16" OC, right on top of the studs, I'm well within the acceptable range and should have a floor capable of some very heavy loads. I intend to have some heavy stuff stored up there so I'd rather over build than under. I could also build with a double top plate and close that spacing up to 12" OC for even more weight capacity. I have a very limited foot print here, so I want to build 'up' not 'out'. I think i'd put 3/4 OSB on top of that, followed by some kind of durable flooring.
- The second floor will be categorized as attic storage, so I don't require a full staircase. Access to the second floor will be via a retractable attic ladder just to start and I'll figure something more significant down the road.
- Ridge beam down the centre, and possible at the 'break' in the gambrel roof if required. That is something I'd need input on. I'd like 12" of mineral wool insulation in the roof, so I could either do 2x12 rafters, or frame it with smaller lumber and make plywood gussets or extensions to deepen the rafter while providing a nailing surface for interior walls.
- Roof will have a breathable membrane sealed over the rafters and tied to the walls for my air barrier. 1x strapping over that to create a ventilation channel, then OSB sheathing, underlayment and finally metal roofing.
- Winters get down to -35, -40 here so I will probably add a layer of exterior rockwool comfortboard on the walls to beef up insulation past the 2x6 walls. Then strapping and wood siding.
I'm in the process of planning my next garage. I will be building it myself, with the exception of concrete work. While I have experience building things, I don't have experience with the planning and permitting process. Looking for some guidance.
I have read my local permitting guides and I think I understand what they require. I need a demolition permit to remove my old shack and driveway, a building location certificate/survey, a development permit, building permit with a variance in my particular situation (need to build a bit closer to the property line than usual, and one foot over max height if I can), and an electrical permit.
I am planning a 16x22 building, two stories, with a gambrel roof - built with rafters and ridge beams in order to maximize interior space.
Permits for two story garages here require stamped building drawings and an "engineered foundation".
Thing is, I don't know who to contact to get drawings made. Or can I do my own in Sketch-Up or something and bring that to an engineer?
Do I contact an architect (expensive??), draftsman, architectural technician, lumber yard, something else? I've been emailing a bunch of local companies and the permit office but am not getting any replies back.
Only firm that responded was a structural engineering firm which said they could review supplied plans and stamp/revise them as needed.
Am I barking up the wrong trees?
I have all the details mapped out in my mind and rough sketched on paper. If you're curious (this IS garage journal after all) here's what I have planned:
- Foundation would ideally be a thickened edge slab - approx 12" thickened edge, with a 6" curb on top. Slab would be 6" thick in the centre, 2" rigid insulation all around, with pex for future radiant hook-up.
- Walls would be 2x6 framing, 16" OC. Framed for carriage doors at the backlane, a man door on the opposite wall, and a single picture window next to the man door.
- Ceiling joists would be 2x12. My lumber yard span charts suggest if I run them 16" OC, right on top of the studs, I'm well within the acceptable range and should have a floor capable of some very heavy loads. I intend to have some heavy stuff stored up there so I'd rather over build than under. I could also build with a double top plate and close that spacing up to 12" OC for even more weight capacity. I have a very limited foot print here, so I want to build 'up' not 'out'. I think i'd put 3/4 OSB on top of that, followed by some kind of durable flooring.
- The second floor will be categorized as attic storage, so I don't require a full staircase. Access to the second floor will be via a retractable attic ladder just to start and I'll figure something more significant down the road.
- Ridge beam down the centre, and possible at the 'break' in the gambrel roof if required. That is something I'd need input on. I'd like 12" of mineral wool insulation in the roof, so I could either do 2x12 rafters, or frame it with smaller lumber and make plywood gussets or extensions to deepen the rafter while providing a nailing surface for interior walls.
- Roof will have a breathable membrane sealed over the rafters and tied to the walls for my air barrier. 1x strapping over that to create a ventilation channel, then OSB sheathing, underlayment and finally metal roofing.
- Winters get down to -35, -40 here so I will probably add a layer of exterior rockwool comfortboard on the walls to beef up insulation past the 2x6 walls. Then strapping and wood siding.
