Item6Appendix1BPlans
CAIRNGORMS NATIONAL PARK AUTHORITY Planning Committee Agenda Item 6 Appendix IB 27/05/2022 AGENDA ITEM 6 APPENDIX IB 2021/0407/DET PLANS 4. 3. 5. 5. 4. 3. 5. roof plan 3. LEGEND
- LARCH CLADDING
- POWDER COATED D/G FRAMED UNITS
- ZINC ROOF
- ZINC DORMER
- PATENT GLAZING
- RENDER master bedroom ensuite attic plan 3. 0 1 2 3 4 5 6 7 8 9 10m PLANNING proposed plan — house 1 ALL MEASUREMENTS TO BE CHECKED ON SITE PRIOR TO ORDER OR MANUFACTURE farmhouse 1 ‑balavil unit5architects the matrix, 114cowcaddens road, g4 ohl t0141 331 0202 e info@unit5architects.com project job no. new farm cottages BALAVIL dwg no 19 290 /P02 drawing title PLANS house 1 as proposed scale date 1:100@A3 OCT 21 3. 4. 2. 2. 6. south elevation 3. 6. 5. 4 2. 1 2 3 4 5 6 7 8 9 10m O PLANNING LEGEND
- LARCH CLADDING
- POWDER COATED D/G FRAMED UNITS
- ZINC ROOF
- ZINC DORMER
- PATENT GLAZING
- RENDER 4. 2. 6. 2. 2. east elevation 6. 2. 4. north elevation west elevation proposed elevations house 2 ALL MEASUREMENTS TO BE CHECKED ON SITE PRIOR TO ORDER OR MANUFACTURE farmhouse 2 — balavil unit5architects the matrix, 114cowcaddens road, g4 ohl t0141 331 0202 e info@unit5architects.com project drawing title new farm cottages BALAVIL dwg no. 19 290/P05 job no. ELEVATIONS HOUSE 2 date 1:100@A3 OCT 21 1 2 3 4 5 6 7 8 9 10m PLANNING entrance porch cloaks +boots store shower/wd 3. utility bedroom 3. ‑3320- Istudy 5. kitchen living ground bedroom en-suite 00 master bedroom ‑3320- ‑4755- upper 3. roof ‑3755- ‑5715- LEGEND
- LARCH CLADDING
- D/G FRAMED UNITS
- ZINC ROOF
- ZINC DORMER
- PATENT GLAZING
- RENDER proposed plan — house 2 ALL MEASUREMENTS TO BE CHECKED ON SITE PRIOR TO ORDER OR MANUFACTURE farmhouse 2 ‑balavil unit5architects the matrix, 114cowcaddens road, g4 ohl 10141 331 0202 e info@unit5architects.com project job no. new farm cottages BALAVIL dwg no. 19 290 /P04 drawing title PLANS house 2 scale as proposed date 1:100@A3 OCT 21 3. 4. 4. 2. 2. 6. 2. 2. 2. south elevation 3.
- 1. 5. 6. 2. 1 2 3 4 5 6 7 8 9 10m PLANNING LEGEND 1.LARCH CLADDING
- POWDER COATED D/G FRAMED UNITS
- ZINC ROOF
- ZINC DORMER
- PATENT GLAZING
- RENDER 4. 6. east elevation 6. 4. north elevation west elevation proposed elevations — house 3 ALL MEASUREMENTS TO BE CHECKED ON SITE PRIOR TO ORDER OR MANUFACTURE farmhouse 3 — balavil unit5architects the matrix, 114cowcaddens road, g4 ohl t0141 331 0202 e info@unit5architects.com project job no. new farm cottages BALAVIL dwg no. 19 290 /P07 drawing title ELEVATIONS HOUSE 3 date 1:100@A3 OCT 21 1 2 3 4 5 6 7 8 9 10m PLANNING entrance porch cloaks +boots store shower/wd 3. utility bedroom ‑3320- Istudy 5. kitchen living ground bedroom en-suite 00 master bedroom ‑3320- ‑4755- upper ‑3755- ‑5715- 3. LEGEND
- LARCH CLADDING
- D/G FRAMED UNITS
- ZINC ROOF
- ZINC DORMER
- PATENT GLAZING
- RENDER 3. roof proposed plan — house 3 ALL MEASUREMENTS TO BE CHECKED ON SITE PRIOR TO ORDER OR MANUFACTURE farmhouse 3 ‑balavil unit5architects the matrix, 114cowcaddens road, g4 ohl 10141 331 0202 e info@unit5architects.com project job no. new farm cottages BALAVIL dwg no. 19 290 /P06 drawing title PLANS house 3 scale as proposed date 1:100@A3 OCT21 Note: Please do not scale from this drawing 0000 POST & WIRE FENCE 000.09% MH-S13/ CL 255⁄70 287.00 254.350 Ø150mm 1 in 109 256.50 256.00 255.50 11H-S12 254 1,600 1000 UPVC Pipe 1 in 51.9 MHF2 CL 255.831 IL 254.024 255.00 OL 255.50 H‑F 255.400 254.300 House 2 Ø150mm 253.350 1 in 4.21 1000 PVC Pipe 1 in 14.9 000:087 MH-S14 254.550 253.000 Ø150mm 1 in 19.40 254.50 255.37 AREA WOOD MH-F4 CL 253.500 IL 251.700 54 00006 130.000 100% UPM Pipe 1000 uPVC Pipe in 11 1 in 2 House 3 MH-F3 CL 254.500 IL 252.700 254.00 253.50 253.00ζε 66 252.50 253.0— 253.03 Klargester Alpha AREA OF W OBLAND Septic Tank, 3800L Capacity or similar approved CL 250.287 IL 249.533 (Inlet) IL 249.508 (Outlet) MH-F5 Dosing Chamber CL 249.952 IL 249.352 Distribution Chamber CL 249.847 IL.249.247 120.000 2000 uPVC Pipe 1 in 60 249 252.00 251.50 251.00 110.000 DA 249,50 UPVC Pipe 1000 60 15m 249 248.50 248 247.50 247 A’ Foul sewer Houses 2 & 3AREA OF WOODLAND and Mound Filter System Plan Scale 1:200 250.50 ‑252.0- ‑251.0- Chainage Existing Ground Level 245.000 249.424 0.000 250.000 0.45m 249.149 2.000 Backfill with selected excavated material free from large objects Geotextile T (strength >12kN/m, permeability 0.055−1, filtration porosity <125µm) D= 0.30m H= 0.30m G= 0.15m A= 6.20m F= 0.20m 150m J= 1.52m Usable Fill 5 – 30 min / 25mm Percolation Rate E‑1.05m Distribution Layer Vf = 35s/mm Percolation Rate 248.884 4.000 248.633 6.000 248.392 8.000 Mound Filter Cross Section A‑A’ Scale H 1:50 V 1:50 100mmØ Perforated pipe 248.163 10.000 247.936 12.000 247.715 14.000 Mound Filter System Resultant Mound Dimension Calculations to BRE Digest No. 478, Mound Filter Systems for the Treatment of Domestic Wastewater The resultant dimension meet the critical dimension for distribution layers bed as per BRE 478 — Fig 14 and Figure. Vp = 120 (s/mm) A Distribution layer width 6.20 m Minimum Basal Area B= Distribution layer length 15.00 m C= At = P x Vp x 0.25 Downslope taper 6.28 m D= Depth of filter material at the upslope edge 0.30 m P = Population Equivalent 10 E= Depth of filter material at the downslope edge 1.05 m Vp = Percolation value of the native soil 120.0 F = Depth of gravel in the distribution layer 0.20 m At = Area 300.0 m² G= Depth of the cover at the upslope and downslope 0.15 m H = Depth of cover at the centre of the distribution layer 0.30 m Minimum Distribution Layer Area J = Upslope taper 1.52 m K = Sideslope taper 3.53 m Ad = P x Vf x 0.25 P= Population Equivalent Vf = Percolation value of filter material. Ad = Distribution layer area (m²) L = Total length of mound [B+2K] 22.05 m W = Total Width of the Mound [A+C+J] 14.00 m 10 X = Total height of mound H+J+[(D+E)/2] 1.18 m 35 87.5 m² Ad = Distribution Layer Area 93.0 m² At = Mound Basal Area (LX w) 308.7 m² Distribution Layer Bed Dimensions Assuming 4 perforated pipes at 1.5m centres and 0.85m distance from distribution layer edge to perforated pipe. Therefore, distribution layer bed width (A) 6.2m. Ad = Distribution Layer bed width (A) = Length (B) = X = Height 1.2 m² Septic Tank Sizing 2000L + (180 x P) 87.5 6.2 Tank 14.1 m 15m BS6297 10 Number of persons served by the septic tank 3800 Tank size Therefore, choose 3800 Litre Klargerter Alpha Septic Tank or similar approved 100.000 250,00 6.2m 70.000 249.50 249.00 $0.000 248.50 80.000 248.00 OVERGROWN/GRASSLAN 247.50 247.00 246.50 60.000 246.00 45.50 246.0 General Notes
- All dimensions in metres unless otherwise stated.
- All Levels relate to Ordnance Datum
- This drawing to be read in conjunction with all relevant engineering details, drawings and specifications.
- It is the responsibility of the Contractor to verify information given with regards to existing services and drainage connections etc. prior to commencing the works.
- Any discrepancies to be reported to the Engineer immediately so that clarification can be sought prior to commencement of work.
- The Contractor shall maintain records of any variations made on site such that as-built drawings can be made upon completion of the project.
- The septic and infiltration system shall be inspected annually.
- Population equivalent Pe, is 10 (5 per house) as per British Code of Practice Flows and Loads — 4 Sizing Criteria, Treatment Capacity for Sewage Treatment Systems. All domestic properties with 3 or fewer
- Position and distances should not be scaled from this drawing.
- The location Houses 1, 2 and 3 and FFL are based on Unit 5 Architects drawings No: 16 203/L 01 and 16 203/L 02 and bedrooms are deemed to have a Pe of 5.
- Location of mound filter system is greater than 25m from nearest dwelling.
- For proposed earthworks contours refer to drawing 50895 – 27-01-P01.
- Location of septic tank is greater than 10mm from the nearest dwelling
- Vp has been assumed based on the percolations test results at the Balavil farm November 2019.
- For Roads Longitudinal Sections refer to drawing 50895 – 48-01-P01.
- For Drainage Strategy refer to drawing 50895 – 33-001-P02 Mound Filter System Notes
- The area required for the mound shall be fenced to avoid traffic and constructions. This will prevent disturbance, scalping or compaction of the mound. KEY Site Boundary 247.516 16.000 Minor drawing Status changed to 17.11.21 KMcN 30.07.21 38.0- 238- 239.50 Topographical Survey Contours 0.50m Proposed Finished Contour Proposed foul sewer 100mmØ uPVC pipe Proposed mound filter 100mmØ perforated uPVC pipes Klargester Alpha septic tank 3800L capacity Proposed Foul Manhole Proposed Ditch Proposed Filter Drain Ironside Farrar Project Name Environmental Consultants 111 McDonald Road, EDINBURGH, EH7 4NW 0131 550 6500 | mail@ironsidefarrar EDINBURGH GLASGOW MANCHESTER Balavil New Farm Houses Balavil Estate Proposed Mound Filter System Houses 2 & 3 1:200 001:2015 02.07.21 A1 Checked by IG Quality Assurance ertificate GB02/54539 Copyright Acknowledgement De Survey Crown Copyright202066 served. Licence No. 00017966 Proposed Surface Water Pipe Proposed Surface Water Manhole PLANNING 50895 – 33-002-P02 247.293 18.000 CONIFEROUS WOODLAND Pre-earthworks drainage, 0.5m depth v‑ditch to convey existing overland surface water run-off from hill side PED ditch to be topsoiled and include impermeable liner if required by soil conditions to protect access track foundation and subgrade CONIFEROUS WOODLAND CONIFEROUS WOODLAND Farm houses and driveways surface water drainage to connect to roadside filter drain and conveyed to SUDS basin WOODLAND End Access 1- End Access 2 Farm Link Track- For mound filter system design refer to drawing 50895 – 33-002-P01- PED piped crossing under farm houses access track- SUDS Basin Attenuation Volume 900m³ HOUSE 2 Access 1 Highest Point CONIFEROUS WOODLAND OVERGROIN GRASSLAND 1 in 2 gradient cut/fill slopes along the proposed access tracks. Farm houses and driveways surface- water drainage to connect to roadside filter drain and conveyed to SUDS basin CONIFEROUS WOODLAND Roadside filter drain, including perforated pipe, 40mm Type B stone surround and backfill and trench lined with Geotextile (Terram or similar) HOUSE 3 Existing Water main to be diverted on an alignment agreed with Scottish Water House 1 and access tracks surface surface water drainage to connect to MH-S1 at Balavil Farm approved as part of MSC application Foul and surface drainage design for Balavil farm approved as part of MSC application 2020/0077/MSC 2020/0077/MSC AREA GEROUS Low flow channel 100mm Spillway Level 240.20 Flow control structure limiting, discharge to Obar 7.91/s. DENISE WOODLA greenfield equivalent flow rate PED north of farm to connect to access track v‑ditch and outfall to existing watercourse Farm catchment to connect to new proposed SUDS basin 100 ORASS ひ Outfall conveyed to existing watercourse GRASS V UST & WIRE FENCE 10000 HOUSE 1 + Table 1. SUDS Pollution Hazard and Mitigation Indices Total Type of Contribution Area Treatment Component Hazard & Mitigation Hydro- Suspended Metals Index carbons Solids Hazard 0.5 0.4 0.4 Individual Property driveways, Roads (Low Traffic Roads) Filter Drain Basin Mitigation Index 1 0.4 0.4 0.4 Mitigation Index 2 (Note 3) 0.5 0.5 0.6 0.65 0.65 0.7 Hazard 0.2 0.2 0.05 Residential Roof Basin Mitigation Index 1 0.5 0.5 0.6 0.5 0.5 0.6 Total Mitigation Provided (Note 3) Total Mitigation Provided (Note 3) Pollution Hazard and Mitigation Indexes Notes: 1. Table 1 shows the total Mitigation provided is greater than the Hazard
- In accordance with the SUDS Manual C753 the entire runoff area has been assessed, the SUDS Manual states that where land use varies across the runoff area, the highest pollution hazard within the area shall be used. In this instance the highest pollution hazard is taken as “Low Traffic Roads”.
- A reduction factor of 0.5 is used to account for the reduced performance of secondary or tertiary components associated with already reduced inflow concentrations. Surface Water Drainage Parameters: (Farm houses and access tracks) Total hardstanding area: Houses Roofing = 480 m² Driveways = 680 m² Access Road 1 2,577 m² m² Farm Link Track 480 m² Total = 4,217 m² 1 in 2 gradient cut/fill slopes along the proposed access tracks. Proposed filter drain to connect to farm access track filter drain and conveyed to SUDS basin Access 1 House 1 foul water to connect to IC-F1 and conveyed to mound filter system at Balavil Farm Greenfield run-off (Qbar) = 2.52 I/’s (farm houses and access tracks) Greenfield run-off (Qbar) = 5.38 I/’s (farm development as per drawing 50499⁄401) Total SUDS basin discharge = 7.9 l/’s Attenuation required for farm houses and access tracks Attenuation required for Balavil Farm (as per drawing 50499⁄401) Total attenuation required Attenuation provided: SUDS Basin = Total = Drainage Strategy Notes: 900m³ 298 m³ 580 m³ 878 m³ 900 m³ > 878 m³ (sufficient attenuation within proposed basin to serve both farm redevelopment and farm houses and access tracks)
- Surface water drainage system as detailed as part of planning application MSC 2020/0077/MSC on drawing 50499⁄401 will be connected to the proposed SUDS basin shown on this drawing. Calculated discharge rates and attenuation volumes required as part of the farm development have been included within the proposed SUDS basin and will serve the farm, houses and access tracks. 2. The surface water drainage system to be discharge to the existing drainage ditch to the south of the site.
- The houses and access tracks network has been designed to accommodate no flooding up to and including the 200 year event
- 30% uplift in peak rainfall intensity to account for Climate Change. 4. In accordance with the SUDs manual C753, the Simple Index Approach (SIA) has been used to determine the total potential pollution hazard.
- Treatment has been provided as per the mitigation indices from Table 26.3 of the SUDs manual C753. The mitigation provided equals or exceeds the potential pollution index (See Table 1). Treatment detailed on drawing 50499⁄401 for the farm development should be maintained upstream of the SUDS basin to ensure adequate treatment is provided.
- Mitigation treatment is provided through filter drains and a basin for the access tracks and farm houses (see table 1).
- Attenuation provided to control the discharge from the development to greenfield equivalent runoff rate (QBar) of 9.61 I/’s overall, details of which are given above.
- A HR Wallingford storage estimation assessment of the potential attenuation volume required has been carried out using the IH124 Method. The volume required is assessed as 298 m³ (farm houses and access tracks). The volume required for the farm development is 580m³ therefore the total attenuation required is 878m². 9. A review of the Water Environment (Controlled Activities) (Scotland) Regulations 2011 demonstrates that this development shall not require SEPA licence to discharge, as the surface water is installed and maintained in accordance with GBR 18, 19, 20 and 21 of the CAR Regulations.
- House roof and driveway area runoff to be collected and connected to roadside filter drain and SUDS basin prior to outfall to watercourse (attenuation provided within the basin to Qbar equivalent runoff rate).
- Farm development surface water to be collected in filter strips/filter drains and discharged to the SUDS basin (attenuation provided within the basin to Qbar equivalent runoff rate). Flood Risk Notes:
- Review of SEPA flood maps does not show a flood risk to the farmhouses, access track or SUDS basin from river source or surface water source flooding.
- The Flood Risk Assessment included within the DMRB Stage 3 Environmental Impact Assessment produced by CH2M/ Fairhurst as part of the A9 dualling scheme has been reviewed, with the watercourse to which the proposed SUDS basin will discharge included within the detailed study area (reference drawing A9P09-CJF-EWE-M_ML522_ZZ-DR-EN-001). The farmhouses, access track and SUDS basin are not shown to be within the flood envelope during the 1 in 200 year event conditions (reference drawing FEX9‑1 in 200 year flood extent pre-development (baseline)). In Abeyance SUDS basin approved as part of MSC application 2020/0077/MSC. Farm surface water drainage network and SUDS attenuation provided within proposed access track and houses basin to west POSTARE TENCE POSE FENCE Mound filter system approved as part of MSC application 2020/0077/MSC KEY 257.00- Farm Houses Application Boundary Farm Application Boundary Topographical Survey Contours 50m Proposed Finish Contour Proposed Filter Drain Proposed Ditch • Proposed foul sewer Foul sewer approved as part of MSC application 2020/0077/MSC Proposed mound filter 100mmø perforated uPVC pipes Klargester Alpha septic tank 3800L capacity Proposed Surface water sewer Surface water approved as part of MSC application 2020/0077/MSC 11.04.22 17.11.21 Basin Relocated to Sul Comments changed to PLANNIN Description Ironside Farrar Project Name Environmental Consultants 111 McDonald Road, EDINBURGH, E EH7 4NW 50 6500 mail@ironsidefarrar EDINBURGH GLASGOW MANCHESTE Balavil New Farm Houses Balavil Estate Proposed Foul and Surface Water Drainage Strategy Existing Services Scottish Water Main Line Water Main Chamber Overhead Power Line Power Timber Pole Bar Scale N.T.S Scal Sine 02.07.21 A1 Quality Assurance SGS UKAS Certificate GB02/54539 Checked by LG Copyright Acknowledgement Ondraende Survey Crown Copyright 2020 No. AL100017966 HMR PLANNING 50895 – 27-001-P04 Farm Access 260.000 Track 255.000 250.000 245.000 240.000 DATUM 238.000 ACC-H1 CHAINAGE EXISTING GROUND LEVEL ALIGNMENT LEVEL HORIZONTAL ALIGNMENT 248.971 348 – 45A 5.099 249.951 250.019 10.000 16.127 250.951 251.120 20.000 251.230 33.969 251.435 25.000 351號 251.751 38.989 252.049 35.362 252.330 252.046 40.000 252:753 45.909 253.257 252.942 50.000 KF= KF G= 2.5086722 G= 10.000% L= 8.000 4.885% 1.95507 VERTICAL ALIGNMENT L 1: 10.0 KF= 5.000 1: L= 10.000 ‑1.56406 20.5 260.000 255.000 250.000 245.000 240.000 DATUM 238.000 ACC-H1 CHAINAGE EXISTING GROUND LEVEL ALIGNMENT LEVEL VERTICAL ALIGNMENT bo HORIZONTAL ALIGNMENT 265.000 DWAY-H1 260.000 DATUM 256.000 CHAINAGE EXISTING GROUND LEVEL ALIGNMENT LEVEL VERTICAL ALIGNMENT HORIZONTAL ALIGNMENT Driveway House 1 Longitudinal Section 261.468 261.459 1000’0 261.322 61.872 10.000 G=-1.464% 1:-68.3 ACCESS 1 261.175 262.238 20.000 24.401 261.029 261.828 30.000 261.000 261.739 31.969 ३६६-899 260.771 260.704 360.000 260.324 260.231 370.000 259.876 259.935 380.000 G= ‑4.474% 1:-22.4 259.429 259.841 390.000 258.981 259.944 400.000 Access 1 CH 350.00 to CH 499.320 Longitudinal Section R= 15.000 258.534 259.945 410.000 258.191 417.656 258.086 259.227 420.000 257.852 425.000 257.609 258.637 430.000 257.476 432.656 R= 15.000 257.105 258.572 440.000 L= 15.000 G= ‑5.060% KF= ‑25.61023 1:-19.8 255.000 250.000 245.000 240.000 235.000 DATUM 231.000 ACC-H2&3 CHAINAGE EXISTING GROUND LEVEL ALIGNMENT LEVEL HORIZONTAL ALIGNMENT 241.350 241.803 1000’0 FARM YARD 225 242.401 8.753 242.548 13.753 242.730 242.586 20.999 242.825 23.293 242.885 25.000 243.180 242.843 30.000 243.471 33.293 KF= G= L 1.40971 10.000% 5.000 G= 2.906% VERTICAL ALIGNMENT 1: KF= 1:34.4 L= 10.000 10.0 0.70488 + 244.141 243.797 40.000 256.599 258.192 450.000 254.257 254.143 60.000 65.559 255.257 255.141 70.000 256.257 256.184 G= 10.000% 1: 10.0 456.011 256.093 257.527 460.000 255.799 465.808 255.558 256.476 470.002 255.195 475.000 476.534 354 – 748 255.129 888 – 888 888 – 88 257.257 257.298 90.000 R= 30.000 487.029 253.750 253.653 490.000 L= 15.000 G= ‑10.000% KF= ‑3.03624 1:-10.0 R= 20.000 R= 20.000 45.