Upon arrival pulled cap and outside clean out confirmed that blockage was before clean out cave option to perform power snake cleaning through provided inside clean out Able to clear blockage test at all toilets they are flushing properly Video inspection of drain line drain line is clear Found wye fitting Where water is diverted in separate directions this can cause paper to sit in line causing line to back up Located wye fitting in nursery 5 feet below grade Need to give option to cut concrete approximately 12ftx6ft and hand excavate to perform repair and replumb bathroom in nursery to separate drain lines to prevent buildup at intersection No warranty on any drain cleaning as it is an attempt to clear blockage only No warranty on any existing plumbing or plumbing fixtures Thank you for choosing CPI for your plumbing needs