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AP), U.S. Green
<br />Building Council
<br />MEMBERSHIPS I
<br />AFFILIATIONS
<br />Functional Safety (FS)
<br />Eng (TUV Rheinland):
<br />#8378114; exp. April
<br />2024
<br />Stephen M. Diamond, P.E., BCEE
<br />PFAS Groundwater Treatment Project (N-Wells) and Well Q2 Perchlorate Removal Facility,
<br />Santa Clarity Valley Water Agency, SANTA CLARITA, CA I Project Manager
<br />Managed the Final Design and Construction phases of a PFAS Treatment Facility for the
<br />SCVWA's N-Wells with a treatment capacity of 6,000-gpm. The N-Wells PFAS Treatment facility
<br />includes an ion exchange treatment system consisting of three lead -lag IX trains with PFAS
<br />selective resin designed to treat 2,000-gpm each, and three high -rate cartridge filters with 12, 6-
<br />inch diameter filter elements each. The final design also included the 1,200 gpm Well Q2
<br />perchlorate removal facility which consisted of one lead -lag IX train with Perchlorate selective
<br />resin. Project delivery included pre -purchasing long -lead items such as the IX Systems and pre -
<br />filters, pre -selecting OSHGS and chemical systems, Agency self -performing some work for the
<br />Q2 site, and pre -purchasing the IX resin.
<br />Valley Center Well PFAS Removal Facility Planning and Preliminary Design, Santa Clarita
<br />Valley Water Agency, Santa Clarita, CA I Project Manager
<br />Managed the Planning and Preliminary Design of a PFAS Treatment Facility for the SCVWA's
<br />Valley Center Well with a treatment capacity of 1,200-gpm. Planning included an evaluation of
<br />treatment alternatives (including GAC, IX and a hybrid GACAX), development of conceptual
<br />design, and the development of a preliminary design based on IX treatment for PFAS removal.
<br />Valley Center Well PFAS Groundwater Treatment Improvements, Santa Clarity Valley Water
<br />Agency, Santa Clarita, CA I Project Manager
<br />Managed the Design of a PFAS Treatment Facility for the SCVWA's Valley Center Well with a
<br />treatment capacity of 1,200-GPM. Planning included an evaluation of treatment alternatives
<br />(including GAC, IX and a hybrid GACIIX), development of conceptual design, and the
<br />development of a preliminary design based on IX treatment for PFAS removal. Final design
<br />included the IX treatment system, pre -purchasing long -lead items such as the IX Vessels and
<br />pre -filters, and the design of a new chloramination facility and site improvements.
<br />Well No. 41 Wellhead Treatment Project, Ontario Municipal Utilities Company, Ontario, CA
<br />Civil Engineer
<br />Engineering services during construction for the Well No. 41 Wellhead Treatment Project. The
<br />project includes a 2,350 gpm ion exchange perchlorate treatment facility, new chlorine building
<br />for on -site generation of sodium hypochlorite (relocation of existing OSG system from Well No.
<br />41 building), associated site improvements, approximately 1,300 LF of 16-inch diameter
<br />CML&C groundwater supply pipeline, 200 LF of 16-inch diameter CML&C treated water
<br />pipeline, and 300 LF of 18-inch diameter RCP storm drain.
<br />Perris North Basin Groundwater Program, Eastern Municipal Water District, Perris, CA
<br />Project Manager
<br />Managed the preliminary design for three separate groundwater treatment sites in the Perris
<br />North Basin. Designed a centralized treatment facility to treat 1,240 gpm of groundwater from
<br />two (2) wells for the Moreno Valley Area that included GAC for PCE removal, single -use IX for
<br />perchlorate removal and staggered bed IX for nitrate removal. Designed chemical feed systems
<br />to provide a chloramine residual disinfectant, and well equipping/wellheads, and a product water
<br />pump stationlelearwell. Designed a 2,300 gpm centralized treatment facility for the Cactus
<br />Corridor, including GAC for PCE removal, and a 650 gpm GAC treatment facility for the South
<br />Area Well 204.
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