Construction Management
DC Water – Blue Plains Wastewater Treatment Plant
Allied provided construction management, resident engineering and inspection services, quality control, safety oversight and contract administration to support major capital improvement program. Blue Plains is the largest advanced wastewater treatment plant
Enhanced Nitrogen Removal Facilities – Pump Station, Channels and Processes
- Managing the construction of a pump station, concrete tanks, structures, channels, electric substation, building, geotechnical monitoring, and tunnel work.
- Installation of process and mechanical equipment and piping, pumps and mixing equipment, water gates and accessories, electrical, instrumentation, control work, and steel piping.
- Demolition and removal of lime building, fuel station and UST, Methanol facility and storage tanks, asbestos and lead pain remediation.
Filtration and Disinfection Facilities Upgrade
- Improvements at the Filtration and Disinfection Facility including construction of a new electrical building to house medium voltage electrical equipment as well as rewiring of existing process equipment.
- Modifications to the existing electrical buildings including installation of new low voltage electrical equipment
- Installation of new Filter Influent Pumps
Nitrification Facilities Upgrade – Switchgear Replacement
Upgrades to Nitrification Facilities including “B” switchgear replacement, “C” switchgear replacement and the following related activities:
- Cast oil transformer replacement, MCC/power panel consolidation and replacement, and demolition of the original equipment.
- Replacement of conduit and wiring from the MCC’s/ power panels to the pipe gallery junction boxes.
- Power wiring to the existing Nitrification Reactor A, B & C effluent gates and dewatering gates from the power panels.
Secondary Treatment Facility Upgrades
- Secondary Reactors
- Secondary Sedimentation Basins
- Dual Purpose Sedimentation Basins
- Secondary Blowers
- Miscellaneous Architectural, HVAC and Plumbing Upgrades
Program Management
DC Water – Blue Plains Advanced Wastewater Treatment Plant
Allied was selected to manage award winning $2.1 Billion wastewater treatment plant expansion. Allied works directly with DC Water’s executive team and department leaders in strategy, planning and implementation of the Capital Improvement Program.
Allied oversees the improvements on:
- Plants effluent filtration system
- Raw wastewater pumping station
- Secondary treatment facilities
- High voltage cable and substation replacement
- New alternate disinfection facilities
- Improvements to the chemical storage systems
- Sludge dewatering and handling improvements
- Construction of a new dry polymer storage and distribution system
The Allied Companies is currently providing professional services under the Program in the following areas:
- Engineering Project Management Services
- Engineering Project Management Services during Construction
- Development of Design and Engineering Procedures and Standards Manuals
- Capital Improvement Program Schedule and Budget Development and Monitoring
- Electrical Engineering Program Support
- Task Order Design and Engineering
- High Priority Rehabilitation Program Construction Management
- Process Optimization and Research Support
- Construction Management Cost Estimating Support
- Construction Management Document Control Support
Benefits include:
- improving denitrification
- enhancing existing tanks for nitrification
- building an 890-million-gallons-per-day (mgd) pump station,
- post-aeration facilities, new channels and conveyance structures.
Allied also developed:
- Integrated biosolids management,
- Wet-weather management and
- Enhanced Nutrient removal program.
With the inception of innovative process solutions through bench scale and pilot testing, Allied continues to serve as the construction manager for the 10 year construction program managing the detailed design phase.
Vulnerability Assessment
DC Water Blue Plains AWTP
Allied was selected to perform a comprehensive Vulnerability Assessment for the Blue Plains AWTP. Utilizing the Risk Analysis and Management for Critical Asset Protection (RAMCAP®) Standard for Risk and Resilience Management of Water and Wastewater Systems methodology, Allied worked with senior leadership and key stakeholders to:
- Identify critical operational assets
- Evaluate relevant hazards and threat scenarios
- Perform quantitative analysis on threat likelihoods, estimated vulnerabilities and consequences
- Presented final report along with mitigation measures
A schematic representation of the relationship of these vulnerability assessment elements is provided below.
