Given emerging technology â and a contracting economy â health plans are looking hard at whether carve-outs for pharmacy benefits, disease management, specialty pharmacy, and behavioral health care are worth the money.
1 The speed in high-grit sewage handling systems should not exceed 12 ft/sec. 2  The flow and velocity in sewage systems with low grit concentrations should not exceed 18 ft/sec.
1. All sanitary sewer systems shall be designed to flow by gravity. 2. Minimum sewer diameter for the conveyance of raw sewage shall be 8 for main sewer and 4 for service laterals. 3. Depth Sewers should be sufficiently deep to prevent freezing. Minimum depth allowed from finished grade is 10' in residential areas, 12' in commercial and