This sets a whole building standard of 125 litres per person per day for domestic buildings. This comprises internal water use of 120 litres per person per day, and in that respect is in line with Code Levels 1 and 2, plus an allowance of 5 litres per person per day for outdoor water use.
Deck Mud is a mixture of washed, graded sand and Portland cement that conforms to ASTM C 144. 1  Can be used to float over metal lath, concrete (with proper preparation) or approved crack/waterproof membranes.  Suitable underlayment mortar for substrate preparation or leveling floors and countertops.
Mudjacking Your other option for repair is called PolyLevel. PolyLevel is a type of high density foam that permanently lifts and stabilizes all kinds of sunken concrete.