Wall, from northeast ... AMS Horizontal (normal)
Wall at 79/ΜΗ, which passes across and down into cistern. Removed the blocks that appear in photograph ... AMS Horizontal (normal)
No trace of waterproofing, but the small back wall and projecting bedrock at east and west, giving a maximum width of 1.70 meters, indicate a basin or pit of some sort rather than a floor of a room ... AMS Horizontal (normal)
Drain and catch basin, from east ... AMS Horizontal (normal)