Thanks, guys! In my PS to my initial post, I noted the client's house is in semi-arid west Texas; ground water should not be a problem, water table is 160'± below ground, bit one soil boring will tell.
The basement's foundation is of concern, as is the condition of the basement walls; thought...
Client built a house over as 80 year old basement (old school house boiler room), covering the ground on three sides outside basement walls. Ten years later, has major problem with water seeping through the old concrete walls of basement. The exterior of the basement walls can only be accessed...
. ALLOWABLE SOIL BEARING PRESSURE IS YET TO BE TESTED BUT EXPECTED TO BE 1600 PSF, adequate for the total load of the trolley if it is static. If A 16" DEEP × 24"WIDE SECTION OF THE MAT acts AS A BEAM UNDER EACH TRACK, pressure directly under the trolley exceeds the alloable 1600 psf by 150 psf...
CLIENT HAS PLASTIC PIPE EXTRUSION HEAD WEIGHING 63 KIPS ON A TROLLEY WHICH RIDES ON TRACKS 4'3" C-C AND CAN MOVE 16 FEET TO ONE SIDE AND BACK AGAIN, NOT MORE THAN ONCE DAILY. ALLOWABLE SOIL BEARING PRESSURE IS YET TO BE TESTED BUT EXPECTED TO BE 1600 PSF. IF A MAT 7 FEET WIDE × 18 FOOT LONG ×...