Stage 1 Strategic Flood Carmarthenshire County Councils Risk … · 2020-01-21 ·...

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W est Glam organ House, 12 Orchard S t, S wansea, S A1 5AD. +44 (0) 1792 641172 www.atkinsglobal.com© Crown copy right and database rights (2019) Ordnance S urvey 100023377. Contains Ordnance S urvey data. © Crown copyright and database right (2019).

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IscennenMargaretS treet

Carregam m an

Gorslas

Drefach

Arthur S treetHarold S treet

Project: P:\GBEMC\W GE\Projects\W ater\5186360 S FCA Carm s Pem bs\7 W IP\7_6 CAD_GIS _BIM\01-W IP\G\MP\RAG Maps\25k_scale\RAY G_CC_25K_Carm sAllocationS ites.m xd

S ir Gaerfy rddin - Carm arthenshire

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S heet No.

LegendRiver NetworkFlood DefencesNational Park BoundariesCCC Flood Risk Managem ent PlanPolicy UnitsS ettlem ent BoundariesS urface W ater Flood - ExtentEstim ated 1 in 100 Annual Chance Events with Clim ate ChangeNRW Flood Map Flood Z one 2S MP2 Flood Extent plus 2m S ea Level Rise

LDP Allocation Sites 2019High Risk >50% S ite Area FloodedMedium High Risk >25% to <50% S ite Area FloodedMedium Risk >5% to <25% S ite Area FloodedLow Risk <5% S ite Area Flooded

Project T itle

Data sources: Ordnance S urvey, NRW , Carm arthenshire County Council, Pem brokeshire County Council

0 1 20.5 Km

S cale (at A1):1:25,000

Reference:

S tatus:

Version:PO2

S25186360-AT K-X X -X X -MP-G-092

Risk Categorisation Allocation SitesCarmarthenshire County Council (CCC) - Climate Change Allowance

7 of 15

Stage 1 Strategic Flood Consequences AssessmentPembrokeshire and Carmarthenshire County Councils

Figure T itle

3. S horeline Managem ent Plan 2 data - Flood extent is current 1 in1000 (0.1%) tidal event plus 2m S ea Level Rise (S LR).

Notes:

2. T he S urface W ater Flood Extents are based on NRW ’s updatedFlood Map for S urface W ater (uFMfS W )For future/ clim ate change scenario, a broad scale assum ptionhas been m ade for S tage 1 screening: • Current 1 in 1000 (0.1%) annual chance flood outline

1. NRW Flood Z one 2 - Assum ed to approxim ate to 1 in 100 (1%)annual chance event with clim ate change.

4. T he m axim um 0.5% annual chance or greater extrem e tide levelplus sea level rise is 6.9m. A coarse 7m contour (not shown) has alsobeen used to screen tide risk for coastal sites - see S tage 1 S FCAReport.

becom es 1 in 100 (1%) with clim ate change.

Drawn: UK/NJ09/05/2019

Checked: LG/DMH09/05/2019

Authorised: DBF09/05/2019

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