AGRI MGT Unsprayed autumn sown cereal crop for corn bunting (nesting & feeding) £326 ha MGT AGRI MGT Unsprayed spring sown barley crop for corn bunting (nesting & feeding) £456 ha MGT AGRI MGT Unsprayed spring sown cereals, oil seed rape, linseed or mustard crop for lapwing (nesting) £303 ha MGT AGRI MGT Uncropped fallow plot for lapwing (nesting) £497 ha MGT AGRI MGT Existing hay meadow £154 Ha MGT AGRI MGT Retain winter stubbles £122 ha MGT AGRI MGT Unsprayed cereals or legumes £284 ha MGT AGRI MGT Unsprayed cereals retaining winter stubbles £440 ha MGT AGRI MGT Unsprayed rootcrops (no direct drilling) £497 ha MGT AGRI MGT Wildlife cover crop £604 ha MGT TREE MGT Stacking area - New basic - no stone £1 m² CAPITAL TREE MGT Stacking area - New – stone bought in £6 m² CAPITAL TREE MGT Stacking area – New - stone won on site £4 m² CAPITAL TREE MGT Stacking area– Upgrade to basic – stone bought in £6 m² CAPITAL TREE MGT Stacking area- Upgrade to basic – stone won on site £4 m² CAPITAL TREE MGT Stacking area- Upgrade to basic – no stone £1 m² CAPITAL TREE MGT Grafting and budding £15 hr CAPITAL TREE MGT Basic re-stocking: <5ha coupe size – over 350m altitude £2,300 ha CAPITAL TREE MGT Basic re-stocking: >5 to 20ha coupe size – over 350m altitude £1,900 ha CAPITAL TREE MGT Basic re-stocking: >20ha coupe size – over 350m altitude £1,900 ha CAPITAL TREE MGT Basic re-stocking: <5ha coupe size – between 250 and 350m altitude £2,300 ha CAPITAL TREE MGT Basic re-stocking: >5 to 20ha coupe size – between 250 and 350m altitude £2,300 ha CAPITAL TREE MGT Basic re-stocking: >20ha coupe size – between 250 and 350m altitude £1,900 ha CAPITAL TREE MGT Basic re-stocking: <5ha coupe size – below 250m altitude £2,300 ha CAPITAL
DRAINAGE Grip blocking £124 each CAPITAL DRAINAGE Scrapes £62 each CAPITAL DRAINAGE Sediment traps £124 each CAPITAL DRAINAGE Seepage barrier £122 each CAPITAL DRAINAGE Timber sluice £232 each CAPITAL DRAINAGE Water gate £100 each CAPITAL DRAINAGE Water troughs £118 each CAPITAL DRAINAGE Culverts – 400mm £237 each CAPITAL DRAINAGE Culverts – 600mm £290 each CAPITAL DRAINAGE Culverts - 900mm £665 each CAPITAL DRAINAGE Culverts – 1050mm £809 each CAPITAL Table 2: Standard costs for Natura 2000 activities based on Water Framework Directive Measures Costing Inventory Mechanism theme Activity Cost (£) Measure CAPITAL/ MANAGEMENT AGRI Allow field drainage systems to deteriorate £30 per ha MGT AGRI Arable reversion to low fertiliser input extensive grazing £1,050 per ha MGT AGRI Avoid use of fertiliser at high risk times £3 per ha MGT AGRI Construct bridges for livestock crossing rivers/streams £18 per ha MGT AGRI Construct Troughs with firm but permeable bases £4 per ha CAPITAL AGRI Convert arable land to unfertilised and ungrazed grass £100 per ha MGT AGRI Convert arable/grassland to permanent woodlands -£150 per ha MGT AGRI Cultivate and drill across the slope £10 per ha MGT
AGRI Reduce length of the grazing day/grazing season £3,125 per farm CAPITAL AGRI Relocate or remove main receptor (e.g. divert stream) £449 m2 CAPITAL AGRI Remediation of land contamination and/or Groundwater AGRI Removal of sediment (including contaminated sediment and fisheries gravel cleaning) AGRI Re-site gateways away from high risk areas £3 per ha MGT AGRI Restriction on boat access, speed and maintenance activities on navigable waterways and marinas AGRI Riparian management £6,878 m2 CAPITAL AGRI Riparian management £3 m2 CAPITAL AGRI Riparian restoration £1,142 m2 CAPITAL AGRI Seal/cap contaminated sediments CHANNEL Agriculture Construct winter storage reservoir £4,452 per Ml CAPITAL CHANNEL Creating multi-stage channels £3,760,975 per km CAPITAL CHANNEL In-channel works £188,050 per km CAPITAL CHANNEL In-stream structures (current deflectors) £70,410 per km CAPITAL CHANNEL Modify channel (deepen/realign) £5,336,070 per km CAPITAL CHANNEL Raising the river bed level £235,099 per km CAPITAL CHANNEL Re-meandering £1,913,014 per km CAPITAL INVASIVES Reduction of the extent of invasive non-native species by operations - Floating Pennywort Machine removal followed by hand-picking maintenance £1370-2000 £ per km machine clearance CAPITAL INVASIVES Hand picking maintenance re invasives £283 £ per km MGT INVASIVES Reduction of the extent of invasive non-native species by operations - Spraying Japanese Knotweed/giant hogweed £26 £ per hour CAPITAL INVASIVES Control of signal crayfish £32,500 per 'project' MGT WATER Appropriate water level management strategies, including timing and volume of water moved £48,025 per site CAPITAL WATER Baffled fish pass £429,825 per structure CAPITAL WATER Bank rehabilitation / reprofiling £128,110 per km CAPITAL WATER Bank rehabilitation / reprofiling £612 m2 CAPITAL WATER Bed raising £197,000 per km CAPITAL
WATER Improvements to longitudinal connectivity £9,508 per ha per year MGT WATER Incorporating sluices to allow sediment continuity £10,848 per structure CAPITAL WATER Increase in-channel morphological diversity £20,000 per ha per year CAPITAL WATER Increase in-channel morphological diversity £178 m2 CAPITAL WATER Install screens at fish farms, cress beds or amenity intakes (installation during maintenance) £1,650 Per structure CAPITAL WATER Install screens at fish farms, cress beds or amenity intakes (standalone installation) £5,000 per structure CAPITAL WATER Install screens at Pumping Stations (installation during maintenance) £100,000 per structure CAPITAL WATER Install screens at Pumping Stations (standalone installation) £300,000 per structure CAPITAL WATER Install screens on Electricity Industry intake (installation during maintenance) £165,000 per structure CAPITAL WATER Install screens on Electricity Industry intake (standalone installation) £500,000 per structure CAPITAL WATER Install screens on Industrial intake (installation during maintenance) £33,000 per structure CAPITAL WATER Install screens on Industrial intake (standalone installation) £100,000 per structure CAPITAL WATER Install screens on Irrigation & Agriculture intake (installation during maintenance) £1,000 per structure CAPITAL WATER Install screens on Irrigation & Agriculture intake (standalone installation) £3,000 per structure CAPITAL WATER Install screens on Private supply intake (installation during maintenance) £16,500 per structure CAPITAL WATER Install screens on Private supply intake (standalone installation) £50,000 per structure CAPITAL WATER Install screens on Public Water Supply intake (installation during maintenance) £165,000 per structure CAPITAL WATER Install screens on Public Water Supply intake (standalone installation) £500,000 per structure CAPITAL WATER Install screens Unclassified (installation during maintenance) £1,650 per structure CAPITAL WATER Install screens Unclassified (standalone installation) £5,000 per structure CAPITAL WATER Inter-tidal zone restoration (from land reclamation) £46,000 per ha CAPITAL WATER Land drainage water level management £42,000 scheme CAPITAL WATER Licensing of fisheries WATER Manage risk of fish entrainment £12,000 per structure CAPITAL WATER Manage risk of fish entrainment £5,500 per structure MGT WATER Managed realignment £1,087 m2 CAPITAL WATER Managed realignment of flood defence £20,000 per ha per year CAPITAL
Dee River Restoration Plan Remove major weir (and associated walls) per weir Feasibility and detailed design necessary and included in costs. Disposal costs of demolition materials not included Dee River Restoration Plan Replace artificially straightened channel with a more sinuous channel to create fish spawning habitat £250-£550 per meter Based on experience of projects c.1 km in length. Assumed rural area and no major services diversions required. Dee River Restoration Plan Improve riparian corridor (including tree planting) Fill gaps in riparian vegetation by planting £7 per meter Assume 50% of channel length (between both banks). Based on 12m riparian width. Costs £345-400/hectare.
Table 4: Costs derived from previous similar work Source of information Activity Cost Measure Site (where planned or carried out) Notes Azolla control standard weevil pack £100 each 10m2 Llyn Dinam One-off cost Azolla control large weevil pack £360 each 50m2 Llyn Dinam One-off cost NRW conservation officer Cattle grid with horse drawn vehicle gateway 1 Preseli One-off cost NRW conservation officer Biosecurity awareness raising year River Dee and Bala Lake This does not include staffing costs of an INNS Officer NRW conservation officer Burning management group year Preseli NRW conservation officer Fire break cutting £500 day Preseli NRW conservation officer Shepherding £500 year Preseli To encourage grazing near top of slopes. NRW conservation officer Ponds: 0.4ha lining per pond for newts £2,000 pond Glantraeth NRW conservation officer Ponds: 0.4ha excavation per pond for newts £450 pond Glantraeth Based on day digger hire at £300 per day and half a day of clerk of works to check for newts at £300 pro rata. NRW conservation officer Pond contouring and vegetation clearance £450 day Glantraeth Based on day digger hire at £300 per day and half a day of clerk of works to check for newts at £300 pro rata. NRW project manager Chainsaw work £360 person/ day Corsydd Mon IF work requires 2 people minimum for health and safety reasons. NRW project manager Chainsaw work £225 person/ day Corsydd Mon NRW conservation officer Chainsaw work £150 person/ day Gweunydd Blaencleddau NRW conservation officer Himalayan balsam pulling £150 person/ day Work on a SSSI in 2014 on Ynys Mon