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  • City Barn Flood Gate Replacement Project
  • Concordia Parish Hazard Mitigation
  • Fiscal Year 2008 Sewer Pump Station Rehabilitation Project
  • North & South Florrisant Drainage Pump Station Rehabilitation Project
  • Plaquemines Parish Comprehensive Master Plan
  • Program Management of FEMA Funded Infrastructure Repairs
  • Sewer Pump Station Rehabilitation Package No. 11
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01.25.12 | HDCA selected for Trickling Filter Rehabilitation Project

HDCA to provide engineering services related to the rehabilitation of the Trickling Filter at the Harvey WWTP ...

09.28.11 | HDCA project featured in NOLA.com

McDonald Construction of Slidell is low bidder for Reconstruction of Seventh Street in Slidell, LA ...

08.10.11 | HDCA awarded Jefferson Parish Pipe Replacement Project

HDCA to evaluate and design replacement for approximately 10,000 linear feet of Price Bros. concrete pipe. ...

05.11.11 | HDCA selected for WWTP Rehabilitation Project

Rehabilitation of the Jonathan Davis Wastewater Treatment Plant to be engineered by HDCA ...