Rule 15-18-77-5.7.5 - Pump/Dosing Chambers1. The pump/dosing chamber shall have a minimum working capacity of 1.5 times the maximum volume produced for timed-dose and per manufacturer's specifications for demand-dose systems.2. The dosing chamber shall be equipped with an audible high water alarm.3. The pump/dosing chamber shall have a grade level access large enough to allow servicing and/or removal of the largest component in the chamber. Access ports shall be protected against unauthorized entrance or removal.4. The pump/dosing chamber shall be vented through the grade level access or by means of a separate vent. In either case the vent shall be a minimum of one (1) inch in diameter.5. The pump/dosing chamber shall be made of material resistant to the corrosive effects of wastewater, chemicals used for disinfection and designed to withstand the lateral and bearing loads to which it is expected to be subjected.15 Miss. Code. R. 18-77-5.7.5