HWC provided planning, design, bidding, and construction management phases for this water system improvement project. The improvements to the system were determined through an SRF Preliminary Engineering Report (PER) completed by HWC in 2009. The items of concern that were evaluated in the PER were a reduction in well capacity, the deteriorating condition of an existing elevated tank, inadequate flow provided near the I-70/SR-59 interchange, the lack of centralized control/monitoring abilities of the system, areas with old and undersized water mains, and sections of aging hydrants and meters.
Project Highlights:
New 700 gallon per day well in the existing wellfield
Replacement 750,000 gallon elevated water tank in the City
New 250,000 gallon elevated water tank near the I-70/SR-59 interchange
A booster station with variable frequency drives for the 250,000 gallon tank, along with a backup generator
New SCADA system at the water treatment plant to monitor/control the plant, elevated tanks, wellfield, and booster station
Replacement of 23,000 LF of water main, 100 hydrants, and 1,000 meters
Project bid in Spring 2010 in 5 divisions
Construction cost – $6.0M (funded by an SRF loan and an IOCRA DR II grant
Water Supply Wells, Treatment Plant, and Storage Facilities
HWC provided planning, permitting, design, and construction administration services for the construction of a new Water Treatment Facility and new Distribution and Storage System for the Seelyville Waterworks Utility in eastern Vigo County, Indiana.
Phase I of the project included the development of a new water supply well field, a new water treatment facility, new water transmission mains and storage improvements.
Phase II of the new system provided necessary flow and pressure to approximately 250 homes on the western extremity of the Seelyville system via a new isolated pressure zone served by a new 500,000 gallon tank and booster station.
Phase III included analysis and design of the improvements for the treatment facility to serve approximately 400 new customers in an unserved township northeast of the utility. The preliminary study and design for this project included modifications for additional capacity for the filters and chemical feed systems.
This project consisted of the planning, design, and construction phases for the Michigan Road Wastewater Treatment Plant Expansion. The planning phase created a master plan to allow up to 12 MGD treatment capacity on the existing plant site for this fast growing area northwest of Indianapolis in Hamilton County, west of Carmel, and east of Zionsville.
The $7.5 million project called for design of a 1.5 MGD plant expansion for a average design plant capacity of 2.55 MGD. The design incorporated a new state-of-the-art preliminary treatment building with odor control, vertical loop reactors to handle peak flows experienced by the District, a secondary clarifier, a return activated sludge pumping station, chemical feed system, solids handling improvements, a UV disinfection system, and post aeration. The 3 existing secondary clarifiers were retrofitted with effluent launder covers and the weirs were modified after they were found to be out of level during the planning phase. The project underwent a staggered construction sequence to facilitate the plant’s need to remain completely in service while the new facilities were constructed.
As mentioned the District service area is experiencing rapid growth and to accommodate this rapid growth strong emphasis was put into the expandability of each structure/process with many sized for the next expansion of another 1.5 MGD.
New Wastewater Treatment Plant, Lift Station & Collection System Improvements
HWC directed this project to relieve the city of Greencastle from a sewer connection ban, helping to open the new Veteran’s Memorial Highway for new economic development, and allowing the construction of a new senior citizens center and the new Putnam County Jail.
Project Highlights:
Project cost – $12.5 million
Over 5,000’ of 36” gravity sewer constructed
3 lift stations constructed
First Vertical Loop Reactor type of treatment facility to receive a construction permit in the state of Indiana
Received Merit Award from Indiana Chapter of ACEC
Plant can handle peak, wet weather flows, with documented increases of flow from 1.8 MGD to 14 MGD in a 24-hour period receiving full treatment with no bypasses or overflows
HWC’s services for this project included a preliminary engineering study on the collection system and treatment facility. The first project completed as a result of the study was at the wastewater treatment plant. During the study, it was determined that the utility could save energy considerable energy costs by completing a secondary treatment process renovation.
The project design addressed replacement of the coarse bubble diffusers with new fine bubble diffusers and the installation of new, smaller Hp blowers. The 2.2 MGD plant originally utilized 4 – 150Hp blowers to deliver air throughout the plant. The new design utilizes 3 – 75Hp blowers.
The project was financed through an Energy Savings program. The equipment was installed in 2006.
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