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responsibility mechanism until the District has approved the permit transfer and substitute <br />responsibility mechanism. <br />33. Both the on-site and off-site mitigation activities must commence concurrentowith wetland <br />impacts and must be completed prior to use -of the infrastructure. <br />34, Prior to commencing on-site and off-site wetland mitigation activities, staff gauges must be <br />installed. The proposed location of the staff gauges must be submitted for District approval <br />prior to installation. <br />35, The limits of clearing within Wetland B must be flagged and the flagging approved by District <br />staff prior to commencing mitigation activities in Wetland B: A planting plan for the disturbed <br />area must also be submitted -for District approval prior to commencing mitigation activities. <br />36. Prior to the sale of any lot or use of the infrastructure for its intended use, whichever occurs <br />first; the permittee must complete the construction of the split rail fences and plant the back <br />slope of the lots adjacent to the conservation easement area in accordance with Typical <br />Buffer Planting Detail on Sheet 15 of the plans received by the District on May 24, 2004. <br />The fences and backsiope plantings must be maintained and remain in place in perpetuity. <br />Any change in the type of fencing must be submitted to the District for approval. <br />37. The on-site and off-site mitigation must be conducted in accordance with the submittal by <br />Biological Research Associates received by the District on May 71 2004. The off-site <br />mitigation must be constructed in accordance with the plan by Masteller & Moler, Inc'. <br />received by the District on April 30, 2004. <br />38. Baseline and annual monitoring of the on-site and off-site mitigation areas must be <br />conducted in accordance with the submittal by Biological Research Associates received by <br />the District on May .7, 2004 with the exception of water level data to bo'collected in the on= <br />site and off-site mitigation areas quarterly each year of monitoring. <br />39. Successful wetland enhancement of both the on-site and off-site mitigation areas will .have <br />occurred when: <br />A. non-native and nuisance vegetation, such as cattails (Typha spp.), primrose.willow <br />(LudWigia peruvianna), Brazilian pepper (Schinus terebinthifolius), Australian pine <br />(Casuarina sp.), Meialeuca sp., -and climbing fern (Lygodium sp.) constitute no more than <br />5% of the areal cover in each stratum; <br />B. Hydrologic conditions generally conform to hydroperiods and water levels.found in <br />existing wetlands of the same type and those specified in the mitigation plan; and, <br />C. The -above criteria have been achieved by the end of a 3 -year period following initial <br />planting. <br />40. The permittee must submit two copies of an as -built survey of the off-site wetland restoration <br />mitigation areas certified by a registered surveyor or professional engineer showing <br />dimensions, grades, ground elevations, water surface elevations, and species composition.,. <br />numbers and densities. The as -built must be submitted prior to planting of the restoration <br />areas. <br />41. Successful establishment of the off-site wetland restoration mitigation areas will have <br />occurred when: <br />A. At least 80 percent of the planted individuals in each stratum have survived throughout <br />the monitoring period and are showing signs of normal growth, based .upon standard growth <br />