Requesting acceptance and approval of Supplemental Agreement No. 2 to Work Authorization No. 2, to extend scheduled contract term, to add a sub-consultant, to revise Contract Rates reflecting an increase in the contract amount of $295,360.00 for services to be provided through the extended term as provided by project Engineer, Halff Associates Inc., in relation to the "Feasibility Study", through the awarded Professional Services Contract No. C-HCDD1-18-036-08-14 for "Hidalgo County Drainage District No. 1 -Delta Region Water Management Project"  (Subject to Legal Review and compliance to Form HB1295)