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<br />. <br /> <br />. <br /> <br />. <br /> <br />Mr. Ken Salazar <br />November 5, 1991 <br />Page Three <br /> <br />1-70 through Glenwood Canyon, utilized complex growing contracts to <br />obtain indigenous native plant species, polymers, mulches, xeriscape <br />planting design, drip irrigation, zonation. Special water conservation <br />features include the use of Clivas Multrum self-composting toilets at <br />the Grizzly Rest Area (constructed), <br /> <br />Bair Ranch Rest Area (D) low flow toilets at No Name Rest Area. All <br />Glenwood Canyon facilities have auto shutoffs on all sinks and <br />fountains. <br /> <br />District 4: <br /> <br />Greeley CDOT facilities have new xeriscape landscaping. (C) <br /> <br />S.H. 287 widening (D) will include water conservation design principles <br />in landscaping and irrigation. <br /> <br />District 6: <br /> <br />Preparation of 1-25 in Denver, Landscape Master Plan, Design <br />Guidelines, includes xeriscape principles, plant lists, conceptual <br />irrigation guidelines for CDOT designers and consultants. <br /> <br />Walnut Viaduct and Colfax Avenue landscape and irrigation (C), <br />installation of complex xeriscape landscape and irrigation plans, using <br />composted soil amendments, native plants, zoned irrigation, flow <br />sensors, mulches, alternative turf grasses. <br /> <br />1nterscape 25, public sector - private sector partnership to beautify <br />1-25 through Denver using the best available water conservation <br />techniques and native plant material. Denver in Bloom (C) 1-25 at <br />Alameda, pilot project using drip and turf irrigation, buffalo grass <br />turf, native trees, shrubs and perennials. <br /> <br />1-25 at 1-70 (mousetrap), flow, wind and moisture sensors, special soil <br />amendments, zoned irrigation, central irrigation scheduling, drought <br />tolerant plant materials, low precipitation heads, master control <br />valves. <br /> <br />Water conservation efforts being planned by CDOT include preparation of <br />design guidelines for water conservation oriented rest area design. <br />Rest areas currently under design include Trinidad, Brantzell <br />replacement (Colorado City), and Julesburg. We are also recycling <br />waste water from the Deer Trail Rest Area and using it to create an <br />on-site wetland as a mitigation feature. <br />