Rule 15-18-77-5.5.9 - Construction1. Large diameter aggregate replacement absorption trenches shall be a minimum of 24 inches and a maximum of 36 inches in width.2. The bottom of the trenches or bed and the distribution lines shall have a grade from level to no greater than two inches fall per 100 feet for double six inch large diameter aggregate replacement pipe and one inch fall per 100 feet for eight and ten inch large diameter aggregate replacement pipe.3. Overlap filter wrap at coupling joints and seal using factory approved methods.4. The 4" pipe from the septic tank, aerobic treatment plant or vessel supplying effluent to the aggregate replacement pipe shall be installed into an offset connector particular to the type and manufacturer of the pipe. These connectors will also be used when crossovers are constructed to change elevations of field system.5. Fabric must be pulled over offset connector and sealed using a factory approved method.6. The ends of the large diameter aggregate replacement pipe shall be closed with an end cap particular to the type and manufacturer of the pipe.7. Care must be taken during backfilling to prevent the aggregate replacement pipe from "crawling" when backfill is applied.15 Miss. Code. R. 18-77-5.5.9