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Page 39 <br /> of confidence and the national average of 2.5 people per home, with a 1,000-gallon interceptor tank, <br /> pump-out intervals between 10 and 12 years aren't uncommon. <br /> 7) Are Orenco effluent sewers odorous? <br /> Odors_are-notcommonin-well-designed and operated-Orenco_effluent_sewers_ystemsrasinterceptor-_ _ <br /> tanks naturally vent through building stacks, and mainlines are completely enclosed and watertight <br /> throughout. As is the case when discharging grinder or any pressure sewer line into existing municipal <br /> infrastructure, when discharging Orenco effluent sewer systems into municipal infrastructure, simple <br /> control measures are necessary to combat odor and corrosion issues common with hydrogen sulfide. <br /> 8) Do Orenco effluent sewers have higher operation and maintenance costs compared to traditional <br /> gravity sewer systems? <br /> For more than 25 years, Orenco has provided sustainable wastewater solutions for communities, both <br /> large and small.Although gravity sewers have a low initial 0&M cost, as system age, I&I (inflow& <br /> infiltration of extraneous water), expensive R&R (renewal and replacement), expensive system failures, <br /> SSO's (sanitary sewer overflows) and on-site lateral replacement have substantial cost implications. <br /> Growing communities often offset these costs with new, low maintenance, connections. Small <br /> communities with aging systems, conversely, typically lack the new connection in-flux to fund capital <br /> improvement projects (i.e. failing infrastructure projects). Orenco effluent sewers and AdvanTex <br /> Treatment Systems offer an affordable, low cost alternative with reduced operation and maintenance <br /> and life cycle cost requirements. Substantial savings are common through reduced infiltration and <br /> inflow, reduced biosolids production, reduced energy consumption and less costly collection system and <br /> treatment system infrastructure. <br /> 9) What is the experience with access and easements for the tank on private property? <br /> Access to property platted with Orenco effluent sewer technology typically includes easements for <br /> operation and maintenance access. Recording easements for existing communities is often times <br /> challenging, although service Tariffs, often used by power and phone companies, have been employed <br /> successfully. Customers that insists on an easement can be accommodated by being charged the <br /> expenses to survey and record an easement. <br /> 10) Can AdvanTex Treatment Systems be easily expanded to serve future <br /> connections/development? <br /> AdvanTex Treatment Systems, unlike other technologies, are modular in nature, allowing communities <br /> to 'phase-in' treatment systems, resulting in capacity on demand. Communities anticipating growth or <br /> service area expansion can easily install additional AdvanTex filters in parallel with existing <br /> infrastructure to accommodate future connections, thus deferring up-front capital costs and operational <br /> costs until growth or expansion occurs. <br /> 11) Can Orenco effluent sewers be upsized affordably to serve future connections/developments? <br /> Orenco effluent sewers are easily oversized, due to the lack of solids in the main lines, to accommodate <br /> future connections, at relatively low up-front and ongoing costs associated with conveyance <br /> infrastructure. Because up to 85% of the cost of Orenco effluent sewers is associated with on-lot <br /> equipment packages (STEP system), the cost to upsize/oversize conveyance system infrastructure, a <br /> network of small diameter PVC or polyethylene pipe, is minimal ... typically a small percentage of total <br /> project costs. Conventional gravity sewer collection systems, on the other hand, require expensive, <br /> large diameter gravity mains that are costly to oversize and maintain and are the majority of the cost of <br /> traditional sewer programs. <br /> 12) Can AdvanTex Treatment Systems be manipulated, in the future, to address more stringent <br /> discharge limits? <br /> As state and federal regulatory agencies continuously require wastewater systems achieve higher water <br /> quality standards, although AdvanTex Treatment Systems consistently and reliably produce effluent low <br />