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<br />'."') <br />....~~~. <br />::~;;~~;' <br /> <br />W: <br />W <br />N> <br />~ <br /> <br />~~~;:i <br /> <br />I <br /> <br />SRP-1 <br /> <br />NUMBER <br /> <br />428 <br /> <br />-A. <br /> <br />-B <br /> <br />-C <br /> <br />430 <br /> <br />-M <br />-BB <br />-CC <br /> <br />-DD <br /> <br />-EE <br /> <br />-FF <br />-GG <br /> <br />-HH <br />-II <br /> <br />441 <br />442 <br />443 <br /> <br />447 <br /> <br />462 <br />464 <br />466 <br />532 <br />533 <br />552 <br /> <br />587 <br />606 <br /> <br />607 <br />608 <br /> <br />PRACTICES APPLICABLE TO THE <br />LOWER GUNNISON SALINITY CONTROL PROGRAM <br /> <br />ONFARM SALINITY REDUCTION <br /> <br />~ <br /> <br />ISSUE DATE <br /> <br />Irrigation Water Conveyance - <br />Ditch and Canal Lining ** <br />Non-reinforced Concrete <br />Ditch and Canal Lining <br />Flexible Membrane Ditch <br />and Canal Lining <br />Galvanized Steel <br /> <br />10-77 <br /> <br />10-80 <br /> <br />10-78 <br /> <br />Irrigation Water Conveyance - <br />pipeline <br />Aluminum Tubing pipeline <br />Asbestos-Cement Pipeline <br />Non-reinforced Concrete <br />Pipeline <br />High-Pressure Underground <br />Plastic Pipeline <br />Low-Pressure Underground <br />Plastic pipeline <br />Steel Pipeline <br />Reinforced Plastic Mortar <br />Pipeline <br />Rigid Gated Pipeline <br />Corrugated Metal Pipeline <br />(WNTC INTERIM) <br /> <br />10-78 <br />04-82 <br />06-84 <br /> <br />04-82 <br /> <br />04-82 <br /> <br />10-87 <br />04-82 <br /> <br />10-85 <br />01-83 <br /> <br />System <br />system <br />System <br /> <br />Drip <br />Sprinkler <br />Surface and <br /> <br />10-77 <br />04-80 <br />10-77 <br /> <br />Irrigation <br />Irrigation <br />Irrigation <br />Subsurface <br />Irrigation System - Tailwater <br />Recovery <br />Drainage Land Grading <br />Irrigation Land Leveling <br />Land Smoothing <br />Pumped Well Drain <br />Pump Plant for Water Control <br />Irrigation pit or Regulating <br />Reservoir <br />Structure for Water Control <br />Subsurface Drain <br />(For Salinity Only) <br />Surface Drain Field Ditch <br />Surface Drain Main or Lateral <br /> <br />10-77 <br /> <br />01-72 <br />10-80 <br />10-80 <br />10-73 <br />01-82 <br />10-77 <br /> <br />10-77 <br />10-80 <br /> <br />04-70 <br />04-71 <br /> <br />;5? ATTACHMENT #2 Pg 1 <br /> <br />LIFE. SPAN <br /> <br />2'0 yr <br />10 yr <br />25 yr <br /> <br />20 yr <br />25 yr <br />25 yr <br /> <br />25 yr <br /> <br />25 yr <br /> <br />25 yr <br />25 yr <br /> <br />15 yr <br />25 yr <br /> <br />10 yr <br />.15 yr <br />15 yr <br /> <br />20 yr <br /> <br />25 yr <br />10 yr <br />10 yr <br />20 yr <br />15 yr <br />20 yr <br /> <br />20 yr <br />20 yr <br /> <br />10 yr <br />10 yr <br />