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NW Ohio,near Findlay | Agree with sri post above, additional cost is way out of line, forgetting about too may things here. Extra type of floor support would cost that alone. Now you have a floor in the lower area, what's that cost. Outside ramp, drive , drainage, doors. Fire hazard alone, check with future insurance company. Building codes, permits, is that alowed? Being a vol fireman, check with them, just not a good idea, things could go wrong. It happens, cars catch on fire in attached garages but MOST of the time, fire will be detected before loss of life. But in a enclosed basement, things would be different.
Worked on a job, front porch was going to be filled with 5 feet of stone just to get up to top of wall for concrete slab. Dumb me, seems a shame to do that, why don't you add it into basement, make a storm shelter, cold storage, all you need is when pouring wall, leave opening for door, nothing to it. If owner would form floor support to pour porch slab, wall guy said exta 500 bucks. Save a little concrete from wall cut out, porch slab already in bid, just a little more finish work for extra floor. Prefab house boys, OK with them, everybody happy.
That was the last time anybody was happy. Weather went to h , 80 Tons of stone to get house and crane in. Walls were not perfect in height, back wall had bow. House sits on outside of 10 inch wall, no ledge for poured porch wall next to house. Now the porch wall, 8 inch wall in plans is now an outside wall. Basement guys advised, no warranty on that wall should have been bumped up to 10 inch. Floor guys bitched about finishing floor in small area, basement guys installed sewer hole wrong place and height. Owner had terrible time on floor support, had to be strong enought to hold up concrete, only to be torn out when cured. Nobody knew how to seal concrete next to house or at top of wall. Had to build special form around outside of porch wall to extend concrete wider than wall, drip edge. That didn't go well, thin concrete, cracked latter. Final results, porch floor leaks into basement next to house, 8 inch wall has crack, seeps a little. Always wet and damp, kind of useless. Floor got a big low area, just bad.
Final straw, excavator hired by wall contractor hit tile and never cut them off or dug them away from house. Wasn't in his bid so he said latter. Backfilled walls, never said anything about tiles and hit the road. First big rain, filled the basement 4 feet deep. Had to go back, cut out tile reroute the tile, not a good outlet. Had to install a big outside sump pit to pump water away from house until outlet tile goes down. Just a nightmare on a new house. Wish I never was involed or suggested darm basement under porch.
Talk to all conctractors involed on this project. Cost is not right, somebody forgetting something. Good luck. | |
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New house construction...basement under the garage??? Pic
