nice development! mine just got finished up this week.
check up on your gas line codes before you bury that line under concrete. our code here any gas line under concrete has to be in a conduit that is vented to open surface air. gas lines are measured in ounce pressure, a leak can easily go undetected for many years and it would collect under the slab and could be disastrous. if you recall a resort exploding in the mayan riviera a few years back this was the case of not using the conduit pipe and pouring direct over the pipe. the pipe had a leak point, and it saturated the ground , a resort patron lit a cigarette and the slab in the lobby blew up like a grenade.
not to thread stomp, derail or any of that in your thread, i just finished my basement and here is a link to my thread for inspiration/ideas.
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