Fraxia Engineering (Fraxia), a San Jose-based firm, won the contract from the San Jose Water Company (SJWC) to install a chloramination system inside a new block building at their 12th Street Station facility. SJWC has installed this type of system on other facilities.
Fraxia to be the EOR for civil/mechanical design. Structural engineering services includes the design of a new block building , elevated equipment pads, FRP grating, subsurface concrete containment, specifications, calculations, engineering estimates, etc. Blowers or powered ventilation design provided by LEE + RO and electrical engineering by SJWC.
LEE + RO's role will be as a subconsultant to Fraxia and will provide structural and HVAC mechanical engineering services to Fraxia. The scope of works includes:
- Site improvements include grading, yard piping, chemical injection points, access road and lighting improvements.
- Installation of a chloramination system with onsite sodium hypochlorite generation (OSHG) and liquid ammonium sulfate (LAS) storage with associated chemical feed pumps, foundation pads, and brine storage.
- Installation of a new CMU block building approximately 21 feet x 62 feet for the OSHG system, hypochlorite storage tank, and LAS storage tank.