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146 PLANCASEBOOK
<br /> When farming was introduced , some of the adjacent properties . The frequent one - year and
<br /> floodplain storage and most of the trees were two - year storm events caused severe erosion as the
<br /> eliminated and more stormwater ran off the land . stream naturally increased channel capacity to hold
<br /> Grant Run was required to accept four to five times increased stormwater runoff. The out - of- bank flood
<br /> more water during storms . As a result , erosion events swept away streamside trees and plants and
<br /> enlarged the stream 's depth and width to accommo - virtually destroyed the stream .
<br /> date larger volumes of water. More erosion gener- High water levels and the sediment created by
<br /> ated more silt and sediment , killing most of the fish severe erosion also caused the variety of aquatic life
<br /> and animal life and destroying the riparian plant to decline and the most sensitive fish and inverte -
<br /> life . Eventually, the stream reached a point of brates to die . Amphibians were eliminated due to
<br /> equilibrium , where erosive forces stabilized , plant sudden rises and falls of water levels because
<br /> life reestablished itself along the widened stream amphibian eggs laid in high water dried out and
<br /> bank , and some of the fish returned to the stream . died when the water receded . What was once a
<br /> The next generation of development to succeed thriving stream became a wasteland , and what
<br /> farming - sub urbanization in the 1940s - brought should have been a neighborhood amenity became
<br /> about housing and more roads that further in - an erosive eyesore and a threat to property.
<br /> creased impervious surfaces and stormwater runoff.
<br /> What was once a ' small stream handling approxi - A Pilot Restoration Project
<br /> mately five to 10 cubic feet of water per second is Born
<br /> under forested conditions became a larger stream A pilot project to restore Grant Run grew out of a
<br /> handling water volumes as high as 75 - 100 cubic collaborative effort among several stakeholders .
<br /> feet per second under suburban development First , the planning staff of the Mid - Ohio Regional
<br /> conditions . Planning Commission working for Franklin County
<br /> Under the pressure of suburban development , had prepared a greenway plan that designated
<br /> Grant Run was unable to handle greater volumes of tributaries of the Scioto River, including Grant
<br /> stormwater runoff during flood events . The imbal - Run , as greenways with bike trails . However, other
<br /> ance between stream capacity and flood volume led stakeholders— the owners of property along Grant
<br /> to severe stream bank erosion that cut deeply into Run—were more interested in protecting their
<br /> property from stream erosion than having a
<br /> greenway trail in their backyards . Grove City had
<br /> PLANNERS8 CASEBOOK attempted to address erosion problems themselves
<br /> is published in January, April, July, and For information about Atce membership: by planting landscaping in the stream corridor, but
<br /> October
<br /> itute o Certersified
<br /> of Planers, an an American InstitPlanners
<br /> of their efforts were partially washed away by the high
<br /> Institute of Certified Planners, an in- Certified Planners
<br /> stitute of the American Planning As- 1776 Massachusetts Ave., N .W. volumes of stormwater carried by Grant Run .
<br /> sociation. Washington, DC 20036 Grove Cityresponsible for controlling
<br /> 202.872-0611 was res p g
<br /> AICP Multi -Media stormwater and preventing further flooding of
<br /> Task Force To submit a case study:
<br /> Steve Preston, FAICP, Chair Jerry Weitz, Editor properties along Grant Run . Additional capacity
<br /> Tom AgnotCalavi i 1405 Mid Broadwell 300Road for flood waters was needed but widening the
<br /> Nico Calavita Alpharetta, GA 30004
<br /> Ernest Freeman , AICP 770.751 . 1203 stream channel and armoring the stream banks
<br /> April Getchius, AICP
<br /> Ray Quay, FAICP Copyright 2001 by the American with concrete ( i . e . , traditional solutions ) . Adjacent
<br /> Ken Reardon Planning Association. Reprint owners opposed expensive and invasive
<br /> Janet Smith property PF P
<br /> Elizabeth Via , AICP permission must be requested in
<br /> writing from APA. Publishing offices engineering projects that wuuld ruin the appear-
<br /> Ad Hoc Memberst for Planners ' Casebook are located at ance of the stream and their properties .
<br /> Carol Barrett, FAICP the American Planning Association's
<br /> David Boyd , AICP Chicago office (address below ) . Meanwhile , the local office of Natural Resources
<br /> Norman Krumholz, AICP Conservation Service ( NRCS ) and the Franklin
<br /> Sam Casella, FAICP Planners ' Casebook is cataloged under the
<br /> International Standard Serial Number County Soil and Water Conservation District
<br /> AICP Commission us ISSN 1064-5519. ( FCSWCD ) had formed a Scioto River watershed
<br /> Sam Casella, FAICP Sherrie Matthews, Managing Editor
<br /> V. Gail Easley, FAICP Susan Lee Deegan, Designer group to improve water quality in the larger
<br /> Laurence C. Gerckens, F.atcP
<br /> Michael A. Harper, AICP Attn: Postmaster and subscribers watershed . That group had already determined that
<br /> Norman Krumholz, AICP Please sent change of address to: restoration efforts were needed in the watershed .
<br /> Robert P. Mitchell , AICP subscription Department
<br /> Sue E. Pratt, AICP American Planning Association Grove City 's arborist , Bob Lowery, posed the idea of
<br /> Sue Schwartz, AICP 122 S . Michigan Ave . , Suite 1600 restoring Grant Run using natural materials instead
<br /> Chicago , IL 60603
<br /> Executive Director 312-431 -9I00 of the traditional concrete to armor the stream
<br /> W. Paul Farmer, AICP
<br /> I Please supply both old and new addresses. banks .
<br /> NRCS and the FCSWCD agreed with Lowery
<br />
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