Laserfiche WebLink
OPERATION AND MAINTENANCE SCHEDULE <br /> Operational <br /> And Every Every As <br /> Preventive Maintenance Daily Weekly Monthly 3 6 Yearly Necessary <br /> Months. Months. <br /> Inlet and Outlet Facilities <br /> 1. Clean weirs, weir troughs and weir <br /> boxes. X <br /> 2. Flush influent sewer, if possible, using <br /> water from fire hydrant or street X <br /> cleaning water tank truck. <br /> Pretreatment <br /> 1. Remove and dispose of rags and <br /> accumulations from comminutor and X <br /> screens. <br /> 2. Observe flow and cutting action of <br /> comminutor. Plugging may occur if X <br /> rags are not cut up. <br /> 3. Check for rock or metal objects in X <br /> 4. Sharpen/replace comminutor blades <br /> when cutting edge is worn. _ _ X <br /> 5. Grease comminutor, if called for in �. <br /> manufacturer's instructions. X <br /> 6. Check oil level of comminutor. _X <br /> 7. Observe air flow in grit chamber and <br /> unclog any ineffective diffusers. X X <br /> Remove rags from diffusers daily. <br /> 8. Remove scum from grit chamber. X _ <br /> 9. Wash down grit chamber. X <br /> 10. Check grit pump packing for <br /> leakage. X <br /> 20-30 drops per minute is normal <br /> 11. Inspect grit collections stem. _ X <br /> 12. Remove and dispose of grit X <br /> collection. <br /> 13. Wash down entire grit collection X <br /> system. <br /> Equalization Basin <br /> 1. Raise and clean debris from diffusers. X <br /> 2. Raise and clean debris from floats X <br /> 3. Check level sensor for proper X <br /> operation and level settings <br /> 4. Clean debris out of splitter box. X <br /> 5. Check for proper setting of weir X <br /> fates on flow control box. <br /> 6. Check pump valving for proper <br /> settings for flow to splitter box and X X <br /> pee-back <br /> pcsio&m-genC?&�3,s:.hed. Esq-1-d <br />