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<br />TABLE 13 <br />1998 JAMESTOWN AND PIPESTEM RESERVOIR RELEASES <br />(PERIOD 01/JAN/1998 TO 10/JUL/1998) <br /> <br /> P1pestem Jamestown <br /> Time Elevation Gate Settings (feetl Release Elevation Gate Settings (feet) Release Combined <br />Date Hours 1ft. msll 36" Low Level 14'x7' East I 4'x7' West (ctsl (ft. msll No.2 I No.4 (cfsl Release (cfsl <br />1-Jan 0100 1442,9 0.00 0.00 1.70 25 1429,1 0.00 0.00 0 25 <br /> Pipestem's west service gate was left open 1,7 feet to pass inflow over the winter (approximately 25 cfs), letting <br /> what flowed over the service spillway control the release, Normally the gate is set at 0,7 feet to limit releases to <br /> 100 cfs in the event of a sudden pool rise in the spring, However to offset gate settlement that normally occurs over <br /> the winter months. the gate was set at the larger opening. <br />14-Jan 1200 1442,7 0,00 0,00 1.40 15 I 1429.1 0.00 0.00 0 I 15 <br /> Pipestem's west service gate had settled to 1.4 feet, <br />14-Feb 1200 1442,8 0,00 0,00 1.00 20 I 1429,2 0.00 0.00 0 I 20 <br /> Pipestem's west service gate had settled to 1.0 feet, <br />22.Feb First round of snowmelt begins and Pipestem pool begins to climb for the first time. <br />23-Feb 2400 1443,7 0.00 0,00 1.00 130 I 1429,5 0.00 0,00 0 ul 130 <br /> Snowmelt runoff began on February 21, No gate adjustment was made, However with the rising Pipestem pool, <br /> the regulation of the project transitioned from weir control at the service spillway to orifice control at the gate <br /> opening (1,0 feet) resulting in a discharge of 130 cfs, <br />27-Feb 1200 1447,5 0,00 0,00 0,70 100 I 1430,5 0.00 0.00 0 I 100 <br /> The Pipestem west gate was reduced to 100 cfs to follow 1975 Field Working Agreement (FWA), Table 1, <br /> <br />52 <br /> <br />., <br /> <br />~ <br /> <br />. <br /> <br />.~ <br />