fl pps25: flood zones definition - f dean

1
1 fl PPS25: Flood Zones Definition N Knockalls Farm Breakhean Hill \larrelhill w Parlay l'a'" J I ~H---i~----,_---11\--_ ~f onage - 46 Farm l _;- --- ~~~---i This map is reproduced from Ordnance Survey material with the permission of Ordnance Survey on behalf of the Cont ro ller of Her Majesty's Stationery Offi ce© Crown copyrig ht. Unauthorised reproduction infringes Crown copyright and may lead to prosecution or civ il proceedings_ Forest of Dean District Co un c il 100019102, (2008) Project:- GLOUCESTERSHIRE STRATEGIC FLOOD RISK ASSESSMENT NB ne Ewir:mment Agency has not produ:ed Flood Zones for catchme~ts with an wea les~ than 3KmL In such mstances fluvial floo'i nsk is present bu' is not illus;rated Key Plan: Legend:- STRATEGIC FLOOD RISK MAP SHOWING FLOODING FROM ALL SOURCES Recorded Fl ood in g - Impounded 'Nat er Bodies Tile B13:- FOREST OF DEAN DISTRICT COUNCIL Council Boundary Recorded Fl ood in g - Artificial Drainage Main River Centreline Rev. By Date Descripti on Recorded Fl ood in g - Surface \/Va ter A lvlJ Grogan 12/0C:/08 Canal Embankmen:s and asso:Iated resIduaI-Iskadced 6 Fl ood Zone 2 (Medium Probability) Recorded Fl ood in g - Flu vial Canal Embankments Drawn By :- A J Bryan Revision Draw in g Sca le :-1:1 0,000 Drawing No. :- WB/GLOSIDRAWING - 002 Fl ood Zone 3a (High Probability) l!:!:•:!:!:•:!J!:!I: !:!t:!!:!:!t: !:•:! :!:•:! : !:•J A Checked By :- B L Dunn Sheet No. :-1 30134 Date :- 26 March 2008 Fl ood Zone 3b (Fun ct iona l Fl oodplain) Recorded Fl ood in g - Unknown Residual Risk Status r::::: ::J:rt::r::r:m : rn::rn:::rn (Flood zone Jb is shown to equal FloodZo~e 3a Approved By ·-JR Park in Plot Scale ·-1:1 @A1 Issu in g Offi ce ·- Birmingham w~oro no dotu ox1GIG ;o difforontwto) FINAL Zone 1 Low Probability Definition This zone comprises lrnd assessEd as having a less than 1 ir 1000 annual probabIlIty of river or sea flooding In any yea- (-<O 1'Yo) Appropriate uses All uses of land are appropriate In :his zone FRA requirements For development voposals on sites comprising one hectare or above thE vulner2b1l1ty to flooding from o:her sources as wel as from river and sea noodIng and the po:en11aI to increase flood risk elsewhere t1rough the add1t1on of hard surface; and the efect of the ne\'1 de,elopment on surface water run-off, shculd Je I1corporated In a FPA .-his neEd on~' be brief unless the factors ab eve or other ocal co1sIderatIons require pa1IcLlar attention See Annex E for minimum requirements PoU cya ims In this nnP. rlP'iPlrnPrs And lornI A11thorit1es shrn1I7 sePk orr,1rt1m1tipc; to rnrl11rn thP overall level of flood ris< In the area an,j beyond through the layout and lorn of the development, rnd the appropriate applIcatIon ot sustainable draIragE techniquec Zone 2 Medium Probability Definition This zone comprises lrnd assessEd as having between a 1 In 100 anc11 In 1000 annJal proJab lily Jf nYer flooding (1 %- 0 or between a 1 In 200 anc 1 In 1000 annLal prnJab lily Jf sea flJoding ,O Jo/o- J 111 a11vyeaI Appropriate uses ThE wa:er-comJalible, Iese vulner2ble and mo-e vulne-able uses of land and essential 1nfrnstructuro In T3blo D.2 ciro appropr 3lo In this zono SubIect to the Sequent al Test JeInq applied, the i-Iqhly vu nerable uses In Table D 2 are on~' appropriat2 InthIszone Ifthe Exception T2st (seE para D 9) Is ~assed FRA requirements All develop11ert proposals In this zone should be accompaniEd bv a FRA See A1nex E for mI111mu11 requirements PoH cya ims In this nne, de'/eloJers anc1 local authorities shoulj seek opportunitIe3 to reduce the overall level of flood ris< In the area through the layout and lorn of the jevelopment, md tho 3ppropn31c 3ppl1calior of susta1n OO lo drrnn3gJ to:hniquos Zone 3a High Probability Definiti on Thio zono lrnd J""c""cd 30 h3ving 3 1 in 100 or g-03tJr mnual prob3b1l1t; of river fl0JdIng or a 1 n 200 er greater arnual probabIlItv of fk:ioding from the sea (>0 5%) In any·year Appropriate uses ThF Wfl-Pr-rnm1At1hlP Anrl IPSS VlilnPmhlP IJSPS of lflnrl In -flhlP n) flrP ArrrnrnfltP In th1c; ,coo I hE high~ vulnerable uses In I ab IE u 2 should not be pernIttEd In this zone The more vUlnerable and e;s0nt1al infrastructure uses In Table D 2 should onlv be pernItted In this zo1e Ifthe Except on Test (see para D 91Is passed Essential ' infrastructure permIttec In t1Is zone should be ,:JesIgned and onstruct2d IJ re11ai1 operalional and safe fer users 11 limes of fooc ' FRA requirements qi All develop11ert proposals In this zone should be accompaniEd bv a FRA See A1nex E for ff no_ mI111mu11 requirements ';,":'"'~:r----,,. .. ,\ PoU cya ims \ \ 1//:t I In this nne, deYeloJers an,:1 local authorities shoul:1 seek opportunitIe3 to t.\1/ ! \ 1 rcduco thJ ovom l lovol of flood risk In tho mo3 ti-rough tho layout 3nd form cf tho 1 I development and the appropriate appl cation of sLstainable d-ainaqe techniqJes, !/ .i:-t-: \ \ II I \ 11 relocate 2xIstIng developme1t tc lan:1In zon2s \'11th a lower JrobabII1y of flooding, j / ' ' ;+\ ' 11i create sJace for flood1nJ to occur by re;toring functional flcodelain and flood flJw '_-t : l pathwa{s ood by IdentIfyIng, alk:ica:Ing and safeguarding open space for flood storag2 Zone 3b The Functional Floodplain Definition This zone comprises lrnd where water has to flow or te stored In :imEs of flood SFRA.s should IdertIfy this =Iood ZJne (land which would fk:ioc with an annual probabIlIly of 1 In 20 ,5%) orgre0terIn myyem or Ic designed tJ flood In an extreme (0 H\.) flood, or at ancther prcbatIlItvlo be aqreed between the LPA and thE En·,Ironment Aqencv, IncludInq water onveyance routes) Appropriate uses Onl·y the w2ter-compatIble Jses and the ecsentIal Infrastru:ture lIs:ed In Table D 2 that ha3 tote there shoJld be permtted 111 this rnne It should be des1~11ed and co1strncted to - rn11AIn orPmt1on~I Anrl sAfP for Iic;prc; In tImPs offloorl, - re3ult n no net loss offlocdplaIn storage, - net impede watertlo\"ls, and net increase flood nsk elsewi-ere Essential infractructure in this zone should pass the E;cepl:ion Test FRA requi re ments All develop11ert proposals In this zone should be accompaniEd bv a FRA See A1nex E for mInimu11 requirements PoH cya ims In this nne, deYeloJers an,j local authorities shoul:1 seek opportunitIe3 to 1 reduce ths overan level of flood risk In the area ti-rough the layout and form cf the development and the appropriate appl cation of sLstainable d-ainage techniqJes. and 11 . relocate 2xIstIng developme1t tc lanj with a low2r probabIlI:y offlocdIng PPS25: Flood Risk Vulnerability and Flood Zone "Compatibility" Zone- 1 E.x ce11rtou Zonf 2 Te- ~t i N Rtqnil·NI ; Exce111ton E.XCtJlftOll Zou e- 3n T est T est lt Re-quired Rtqnil· td Zorn:- 3h Exc q1tfon 'fonctrnnal T est lt lt lt floocplam" Rtqninll : Dtvelo1nne-11t is a1111ro1niatl'" lt : DtvtlOJ)lllfllt sltould not bt Jlt11niUNI PPS25: Flood Risk Vulnerability Classification Essential lrfractructure - Essential trrnsport I1fra3tructure (In:luding 11acs evaCLatIon routes) w1lIch has to cros3 the area a: risk, and strategic utIlIty 1nfrnstructuro, includ1rg ok:ictnc1ty gonor31:Ing powor sl311Jns 3nd qnd oo d primary substations 1' High~ \/uln2rable - Police statIcns, A.mbulmce stanonc and Fire stations rnd Comnand Centres and teleommunicatiJns installations required to be Jpe-at1onal during fooc1ng - EmErgency :1Is~ersal pointc - Basement dwell ngs - Caravans , mobI e homes and park homes Interded for permarent res1denlisl use - Installations requiring haardous substoo ce3 consent 19 Mo-e VulnErab e - HospItal3 - ResIdentIal InstI:utIons such as -esI,:JentIal care hones, children's homo:;, soc131 sorvIcos homos, prIso1s ood hostols - BuIldInqs used !Jr dwe i Inq houses, slujen: hais of reS1dence : dnnkIng establishments, nightclubs, and hotEls - r<u11-re~1ller i 1c1I u~eo rur l1rmll11 oervIce~. IIuI~eIIe~ c111ll ellu-c1L1u11c1I PStflh1shmpn-s - Landfill and 3Ites used for waste mana~ement facIlI1ies for hazar,:Jous waste 20 - Silos usod for holiday or short-lot comvcins 3nd rnnpIng, sJbJcct to a specIfIc wamnq ~nd evacuation plan Less VJlnerable - BuIldIngs used !Jr cho~s. fI1ancIal, pro'escIonal and other ser,Ices, restaurants and cafec , hot food takeaways, clflces, genEral 111,Ju~lry, clurdye dllli l11~1!11Ju.1u11, 11011-reo1ller1l1dl III~.ILULIUII~ IIUL 1wl11r1Prl 17 'morn v11lnPmhlP' : Anr flSSPml~ Anrl PISllrP - Land an,:1 buldIngs used for agriculture and forestr,; - Waste treatmen: (except lardtIII anc hazardous waste tacIlIJes, - Mine-mis wo-1<1ng 3nd procossIrg (cxcoJI for srnd cind gmvol working) - Water treatment plants - SeWcJye lif!dllllerIl ~lc111l:o (1r c1lle'-1Ude eiullul1u11 CUII.IUI lllcldiUle~ flrP In i,IArn) §~ ii, ¥ Water-compatible - Flood control Inf-astructure Forest of Dean - Cllff',IO"<XU!<'.1. - DeYeloJment - Water transmIscIon InfrastrLcture and pJmpIng statwnc - Sewdye lidll~llll~~io11 II frd~l!uclure dill fJUlllfJIII\J ~.dllUI~ Counc il Offi ces - SAnrl Anrl omvP wo-k1nos Hi gh Street - Docks, mannas and wharves - tlavIgatIJn facIlI:ies Coleford - MOD dofonco 1rst3l3t1cns Gl oucestershire - Ship buI ding, repairing and dIsmartlIn~. decks de 'ish processing GL16 8HG and refrig2ratwn and compatJble actIvItIEs rEquInng a waterside lu,,dLIOII - WAter-h~sPd rn,,rnF1Ion (Prl11rl no alPPi,ino AcommodAt1on) - Lifeguar:1 and coastguard s:alions - AmrnIly open space, naturE conservation and bIodversIly, outdoor sports 3nd rocroGtion 3nd ossonti3I foc1li:ios sue1 3C changing rooms Ila/crow - Essential ancillary sk?e~Ing or residential accommodat on for staff WNW halcrow con l""-!Ullclli II LI i~ Cdle~ury, ~uL,Jecllu d ~fJeur1c Wdllllll\J aorl i,IAn Lyndon House 62 H agl ey Road Edgbaston Birmingham B168PE

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Page 1: fl PPS25: Flood Zones Definition - f Dean

1

fl PPS25: Flood Zones Definition

N Knockalls Farm~

Breakhean Hill

\larrelhill w

Parlay

l'a'" J I

~H---i~----,_---11\--_

~f

onage

- ~ 46Farm l

_;- --- ~~~---i

This map is reproduced from Ordnance Survey material with the permission of Ordnance Survey on behalf of the Controller of Her Majesty's Stationery Offi ce© Crown copyright. Unauthorised reproduction infringes Crown copyr ight and may lead to prosecution or civil proceedings_ Forest of Dean District Council 100019102, (2008)

Project:- GLOUCESTERSHIRE STRATEGIC FLOOD RISK ASSESSMENT

NB ne Ewir:mment Agency has not produ:ed Flood Zones for catchme~ts with an wea les~ than 3KmL In such mstances fluvial floo'i nsk is present bu' is not illus;rated

Key Plan: Legend:-STRATEGIC FLOOD RISK MAP SHOWING FLOODING FROM ALL SOURCES Recorded Flood in g - Impounded 'Nater BodiesTile B13:-FOREST OF DEAN DISTRICT COUNCIL

Council Boundary • Recorded Flood in g - Artificial Drainage

Main River Centreline Rev. By Date Description •

Recorded Flood in g - Surface \/VaterA lvlJ Grogan 12/0C:/08 Canal Embankmen:s and asso:Iated resIduaI-Iskadced

•6Flood Zone 2 (Med ium Probability)

Recorded Flood in g - Fluvial Cana l EmbankmentsDrawn By :- A J Bryan Revision Drawing Sca le :-1:1 0,000 Drawing No. :- WB/GLOSIDRAWING - 002 Flood Zone 3a (High Probability)l!:!:•:!:!:•:!J!:!I:!:!t:!!:!:!t:!:•:!:!:•:!:!:•JA Checked By :- B L Dunn Sheet No. :-1 30134 Date :- 26 March 2008

Flood Zone 3b (Funct iona l Fl oodplain) Recorded Flood in g - Unknown Residual RiskStatus r:::::::J:rt::r::r:m:rn::rn:::rn (Flood zone Jb is shown to equal FloodZo~e 3a

Approved By ·-JR Parkin Plot Sca le ·-1:1 @A1 Issu ing Offi ce ·- Birmingham w~oro no dotu ox1GIG ;o difforontwto)FINAL •

Zone 1 Low Probability

Definition This zone comprises lrnd assessEd as having a less than 1 ir 1000 annual probabIlIty of river or sea flooding In any yea- (-<O 1'Yo)

Appropriate uses All uses of land are appropriate In :his zone

FRA requirements For development voposals on sites comprising one hectare or above thE vulner2b1l1ty to flooding from o:her sources as wel as from river and sea noodIng and the po:en11aI to increase flood risk elsewhere t1rough the add1t1on of hard surface; and the efect of the ne\'1 de,elopment on surface water run-off, shculd Je I1corporated In a FPA .-his neEd on~' be brief unless the factors ab eve or other ocal co1sIderatIons require pa1IcLlar attention See Annex E for minimum requirements

PoUcyaims In this nnP. rlP'iPlrnPrs And lornI A11thorit1es shrn1I7 sePk orr,1rt1m1tipc; to rnrl11rn thP overall level of flood ris< In the area an,j beyond through the layout and lorn of the development, rnd the appropriate applIcatIon ot sustainable draIragE techniquec

Zone 2 Medium Probability

Definition This zone comprises lrnd assessEd as having between a 1 In 100 anc11 In 1000 annJal proJab lily Jf nYer flooding (1 %- 0 or between a 1 In 200 anc 1 In 1000 annLal prnJab lily Jf sea flJoding ,O Jo/o- J 111 a11vyeaI

Appropriate uses ThE wa:er-comJalible, Iese vulner2ble and mo-e vulne-able uses of land and essential 1nfrnstructuro In T3blo D.2 ciro appropr 3lo In this zono SubIect to the Sequent al Test JeInq applied, the i-Iqhly vu nerable uses In Table D 2 are on~' appropriat2 InthIszone Ifthe Exception T2st (seE para D 9) Is ~assed

FRA requirements All develop11ert proposals In this zone should be accompaniEd bv a FRA See A1nex E for mI111mu11 requirements

PoHcyaims In this nne, de'/eloJers anc1 local authorities shoulj seek opportunitIe3 to reduce the overall level of flood ris< In the area through the layout and lorn of the jevelopment, md tho 3ppropn31c 3ppl1calior of susta1n OO lo drrnn3gJ to:hniquos

Zone 3a High Probability

Definition

Thio zono lrnd J""c""cd 30 h3ving 3 1 in 100 or g-03tJr mnual prob3b1l1t; of river fl0JdIng or a 1 n 200 er greater arnual probabIlItv of fk:ioding from the sea (>0 5%) In any·year

Appropriate uses

ThF Wfl-Pr-rnm1At1hlP Anrl IPSS VlilnPmhlP IJSPS of lflnrl In -flhlP n) flrP ArrrnrnfltP In th1c; ,coo IhE high~ vulnerable uses In I ab IE u 2 should not be pernIttEd In this zone The more vUlnerable and e;s0nt1al infrastructure uses In Table D 2 should onlv be pernItted In this zo1e Ifthe Except on Test (see para D 91Is passed Essential' infrastructure permIttec In t1Is zone should be ,:JesIgned and onstruct2d IJ re11ai1 operalional and safe fer users 11 limes of fooc' FRA requirementsqi All develop11ert proposals In this zone should be accompaniEd bv a FRA See A1nex E for

ff no_ mI111mu11 requirements

';,":'"'~:r----,,...,\ PoUcyaims \\ 1//:t I In this nne, deYeloJers an,:1 local authorities shoul:1 seek opportunitIe3 to

t.\1/ ! \ 1 rcduco thJ ovom l lovol of flood risk In tho mo3 ti-rough tho layout 3nd form cf tho 1 I

development and the appropriate appl cation of sLstainable d-ainaqe techniqJes,!/ .i:-t-:

\

\ II I \ 11 relocate 2xIstIng developme1t tc lan:1In zon2s \'11th a lower JrobabII1y of flooding,

j / ' ~ ' ;+\ ' 11i create sJace for flood1nJ to occur by re;toring functional flcodelain and flood flJw '_-t : l pathwa{s ood by IdentIfyIng, alk:ica:Ing and safeguarding open space for flood storag2

Zone 3b The Functional Floodplain

Definition This zone comprises lrnd where water has to flow or te stored In :imEs of flood SFRA.s should IdertIfy this =Iood ZJne (land which would fk:ioc with an annual probabIlIly of 1 In 20 ,5%) orgre0terIn myyem or Ic designed tJ flood In an extreme (0 H\.) flood, or at ancther prcbatIlItvlo be aqreed between the LPA and thE En·,Ironment Aqencv, IncludInq water onveyance routes)

Appropriate uses Onl·y the w2ter-compatIble Jses and the ecsentIal Infrastru:ture lIs:ed In Table D 2 that ha3 tote there shoJld be permtted 111 this rnne It should be des1~11ed and co1strncted to - rn11AIn orPmt1on~I Anrl sAfP for Iic;prc; In tImPs offloorl, - re3ult n no net loss offlocdplaIn storage, - net impede watertlo\"ls, and

net increase flood nsk elsewi-ere Essential infractructure in this zone should pass the E;cepl:ion Test

FRA requi rements All develop11ert proposals In this zone should be accompaniEd bv a FRA See A1nex E for mInimu11 requirements

PoHcyaims In this nne, deYeloJers an,j local authorities shoul:1 seek opportunitIe3 to 1 reduce ths overan level of flood risk In the area ti-rough the layout and form cf the development and the appropriate appl cation of sLstainable d-ainage techniqJes. and 11 . relocate 2xIstIng developme1t tc lanj with a low2r probabIlI:y offlocdIng

PPS25: Flood Risk Vulnerability and Flood Zone "Compatibility"

Zone- 1 ✓ ✓ ✓ ✓ ✓

E.xce11rtou Zonf 2 Te-~t✓ ✓ ✓ ✓i

N Rtqnil·NI ; Exce111ton E.XCtJlftOll

~ Zou e- 3n T est ✓' T estlt ✓ Re-quired Rtqnil·td

Zorn:- 3h Excq1tfon 'fonctrnnal T est ✓ lt lt lt floocplam" Rtqninll

✓ : Dtvelo1nne-11t is a1111ro1niatl'"

lt : DtvtlOJ)lllfllt sltould not bt Jlt11niUNI

PPS25: Flood Risk Vulnerability Classification

Essential lrfractructure - Essential trrnsport I1fra3tructure (In:luding 11acs evaCLatIon routes) w1lIch has to cros3 the area a: risk, and strategic utIlIty 1nfrnstructuro, includ1rg ok:ictnc1ty gonor31:Ing powor sl311Jns 3nd qnd ood primary substations

1' High~ \/uln2rable - Police statIcns, A.mbulmce stanonc and Fire stations rnd

Comnand Centres and teleommunicatiJns installations required to be Jpe-at1onal during fooc1ng - EmErgency :1Is~ersal pointc - Basement dwell ngs - Caravans , mobI e homes and park homes Interded for permarent res1denlisl use - Installations requiring haardous substooce3 consent 19

Mo-e VulnErab e - HospItal3 - ResIdentIal InstI:utIons such as -esI,:JentIal care hones, children's homo:;, soc131 sorvIcos homos, prIso1s ood hostols - BuIldInqs used !Jr dwe iInq houses, slujen: hais of reS1dence: dnnkIng establishments, nightclubs, and hotEls - r<u11-re~1ller i 1c1I u~eo rur l1rmll11 oervIce~. IIuI~eIIe~ c111ll ellu-c1L1u11c1I PStflh1shmpn-s - Landfill and 3Ites used for waste mana~ement facIlI1ies for hazar,:Jous waste 20 - Silos usod for holiday or short-lot comvcins 3nd rnnpIng, sJbJcct to a specIfIc wamnq ~nd evacuation plan

Less VJlnerable - BuIldIngs used !Jr cho~s. fI1ancIal, pro'escIonal and other ser,Ices, restaurants and cafec, hot food takeaways, clflces, genEral 111,Ju~lry, clurdye dllli l11~1!11Ju.1u11, 11011-reo1ller1l1dl III~.ILULIUII~ IIUL 1wl11r1Prl 17 'morn v11lnPmhlP': Anr flSSPml~ Anrl PISllrP - Land an,:1 buldIngs used for agriculture and forestr,; - Waste treatmen: (except lardtIII anc hazardous waste tacIlIJes, - Mine-mis wo-1<1ng 3nd procossIrg (cxcoJI for srnd cind gmvol working) - Water treatment plants - SeWcJye lif!dllllerIl ~lc111l:o (1r c1lle'-1Ude eiullul1u11 CUII.IUI lllcldiUle~ flrP In i,IArn)

§~ ii,¥

Water-compatible - Flood control Inf-astructureForest of Dean - Cllff',IO"<XU!<'.1. - DeYeloJment - Water transmIscIon InfrastrLcture and pJmpIng statwnc

- Sewdye lidll~llll~~io11 II frd~l!uclure dill fJUlllfJIII\J ~.dllUI~Council Offi ces - SAnrl Anrl omvP wo-k1nos High Street - Docks, mannas and wharves

- tlavIgatIJn facIlI:iesColeford - MOD dofonco 1rst3l3t1cns

Gloucestershire - Ship buI ding, repairing and dIsmartlIn~. decks de 'ish processingGL16 8HG and refrig2ratwn and compatJble actIvItIEs rEquInng a waterside

lu,,dLIOII - WAter-h~sPd rn,,rnF1Ion (Prl11rl no alPPi,ino AcommodAt1on) - Lifeguar:1 and coastguard s:alions - AmrnIly open space, naturE conservation and bIodversIly, outdoor sports 3nd rocroGtion 3nd ossonti3I foc1li:ios sue1 3C changing roomsIla/crow - Essential ancillary sk?e~Ing or residential accommodat on for staff

WNW halcrow con l""-!Ullclli II LI i ~Cdle~ury, ~uL,Jecllu d ~fJeur1c Wdllllll\J aorl i,IAnLyndon House

62 Hagley Road Edgbaston Birmingham B168PE