Specifications include, but are not limited to: Clean the permeable pavers by using vacuum truck to vacuum the joints between the paver blocks to keep them free of debrisMinimum of twice a year in spring and fall, but more often is encouragedCity of Example–Street DepartmentInspect the permeable paver system to ensure the area is free of excessive debris, organic matter, or sedimentSpring and fall each yearCity of Example–Stormwater ManagerInspect surface of permeable paver system for any deterioration, settlement, lifting, or cracking of blocks. Repair anysettling/raising blocks and replace deteriorating or cracked blocksSpring and fall each yearCity of Example –Stormwater ManagerInspect the permeable paver system for vegetative growth in-between paver blocks. Vegetation growth is indication of excessparticulate matter buildup and vacuuming is most likely neededMonthlyCity of Example –Street DepartmentInspect outlet of the subdrain to ensure it is not obstructed, free flowing, and not scouring out the lakeshore below itMonthly City of Example –Street DepartmentAfter a rainfall of at least an inch inspect permeable pavers to ensure there is no standing waterAs neededCity of Example –Stormwater ManagerPrevent anyone from stockpiling building or construction materials directly on paver system. If materials have to be stockpiled place a tarp or another solid material underneath materials to protect pavement.As neededCity of Example –Stormwater ManagerOnly apply de-icing agents during winter months, never apply sandIn perpetuityCityof Example –Street Department