Item 6 - Appendix 1 Plans March Burn Glen Clova 20250053 DET

Agenda Item 6

Appendix 1

2025/0053/DET

Plans

CAIRNGORMS NATION­AL PARK AUTHOR­ITY Plan­ning Com­mit­tee Agenda Item 6 Appendix 1 13/06/2025

MARCH BURN SITE AND CON­STRUC­TION ACCESS

↑ ANGUS CAIRNGORMS BLAIR­GOWRIE West Access Point ΝΟ 34124 72083 BRECHIN RIVER SOUTH ESK GLEN CLOVA ADIELINN RIVER SOUTH ESK GLEN CLOVA BRAEMIN­ZION GELLA BRIDGE ARBROATH ROT­TAL WHITE- HIL­LOCKS BURN OF NORTH INCH­DOWRIE (MARCH BURN) cbec eco engin­eer­ing A N Pro­posed site com­pound loc­a­tion, centred on NO 34306 72063 Upstream Extent ΝΟ 34137 72071 East Access Point ΝΟ 34321 72063 RIVER SOUTH ESK Down­stream Extent ΝΟ 34223 71882 BURN OF SOUTH INCH­DOWRIE B955

Wet­land Cre­ation Works Area, Access Routes & Com­pound (1.99 ha) Watercourses Trib­u­tar­ies & Drains River South Esk Oth­er Features CLI­ENT ANGUS COUN­CIL Pro­ject no. Road PRO­JECT RESTOR­ING THE RIVER SOUTH ESK 10 m Con­tours Date Drawn JE/GP Designed 35 PER­CENT Reviewed KC 2150637 24 FEB 2025 0 50 100 150 m *Con­tains OS data Crown copy­right and data­base right 2024. Ser­vice Lay­er Cred­its: Main map sources — Esri, Max­ar, Earth­star Geo­graph­ics, and the GIS User Com­munity Over­view map sources — Esri, HERE Garmin, Intermap, Incre­ment P Corp., GEBCO, USGS, FAO, NPS, NRCAN, Geo­Base, IGN, Kadaster NL, Ord­nance Sur­vey, Esri Japan, METI, Esri China (Hong Kong), Open­Street­Map con­trib­ut­ors, and the GIS User Com­munity Scale @ A4 — 1:3,500 Brit­ish Nation­al Grid GCS OSGB 1936

Sec­tion of exist­ing chan­nel regraded Install engin­eered large wood green bank pro­tec­tion to pro­tect repro­filed banks imme­di­ately down­stream of bridge, con­tinu­ing on river right G1 Embank­ment retained on river left and loc­ally infilled/​raised Inch­dowrie Burn of North Upstream sec­tion of chan­nel infill to incor­por­ate boulders with dia­met­er >500 mm with sur­round­ing mat­rix of coarse gravel and cobble fill (50−250 mm) River South Esk G2 A New realigned chan­nel to restore flood­plain con­nectiv­ity G3 7 1 4 6 G4 5 2 3 New inset flood­plain on river left Bed mater­i­al to be care­fully sized and graded to ensure sta­bil­ity in upper sec­tion mater­i­al to have D50 of ~110 mm Bur­ied boulder grade con­trol struc­tures to mit­ig­ate risk of head cut — key­stone boulders should all be > 500mm Install lat­er­al Large Wood Struc­tures (LWS) Bed to be ​‘seeded’ with irreg­u­lar clusters of boulders with­in the range of grain sizes seen to be form­ing steps in exist­ing chan­nel (i.e. up to 320 mm) Embank­ment remov­al on both banks S1 A Flood­plain scrapes fea­tures to increase water stor­age and hab­it­at diversity SAFETY HEALTH AND ENVIR­ON­MENT­AL INFORM­A­TION In addi­tion to the hazards/​risk nor­mally asso­ci­ated with the types of work detailed on this draw­ing, note the fol­low­ing risks and inform­a­tion. Please note that risks lis­ted here are not exhaust­ive. CON­STRUC­TION Work­ing in close prox­im­ity to deep water envir­on­ments. Dis­turb­ing or strik­ing exist­ing util­it­ies and ser­vices. Sat­ur­ated ground con­di­tions. Pro­tec­ted spe­cies. It Is assumed that all works will be car­ried out by a com­pet­ent con­tract­or work­ing, where appro­pri­ate, to an approved meth­od state­ment. LEGEND Exist­ing chan­nels Exist­ing cul­vert Exist­ing over­head line Eco­lo­gic­al buf­fer zone (30m) A Pro­posed Design Regraded sec­tion New realigned chan­nel Inset flood­plain ✓ Earth bund ✔ Embank­ment remov­al Scrapes S2 Infilled sec­tions Large Wood Struc­ture (LWS) 7 Engin­eered wood bank pro­tec­tion Boulder grade con­trol G4 Pro­ject Num­ber Pro­ject Title 2150637 Restor­ing the River South Esk Draw­ing Title DETAILED DESIGN DESIGN PLAN Infill exist­ing chan­nel to util­ise excess cut mater­i­al A S2 Scale @ A3 1:1,000 Drawn 0 12.5 25 Meters ال Designed OSGB36/ Brit­ish Nation­al Grid Date Ver­sion 27/01/2025 Rev3 v4 Checked Approved LM Retain a small sec­tion of the exist­ing chan­nel as a back­wa­ter fea­ture Draw­ing Num­ber 2 cbec eco engineering