(Added by Ordinance No. 184403; amended by Ordinance No. 189878, effective March 4, 2020.) The Director of the Bureau of Environmental Services is authorized to execute Contracts for stormwater improvements not to exceed $500,000 for stormwater management improvement projects on private property when such projects are authorized as a Special Procurement. The Director of the Bureau of Environmental Services is also authorized to execute amendments to these agreements, provided the amendments do not cause the contract amount to exceed $625,000.