1. Minimum 10 feet horizontal distance between water and sewer lines. 2. Minimum 18 inches vertical distance between water and sewer lines. 3. Where water and sanitary sewer lines cross, the water main shall be 18 inches above the sewer. If the sewer must be above the water main the sewer shall be at least 18 inches above and encased in concrete a minimum of 1 0' of each side of the water main. Joints shall be spaced to provide maximum distance from crossing. 4. Where sanitary sewer mains cross storm drains, minimum 18 inch vertical separation shall be maintained. 5. The minimum cover over water and sewer lines shall be 4 feet. 6. Sanita1y sewers shall be located outside of paved areas where practical. Locating sanitary sewers in paved areas will only be allowed when no other alternative exists. Bore under existing roadways where possible to prevent pavement damage. 7. All elevation data shall be referenced to mean sea level (MSL) and survey horizontal data shall be referenced to state-plane coordinate system including all proposed manholes...