Thistleworth Richmond Old Deer Park FootbridgeRichmond...
Transcript of Thistleworth Richmond Old Deer Park FootbridgeRichmond...
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Isleworth Barge Mooring No.1
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PLA 304
0°19'W 0°19'W
51°28'N
0°19'W 0°19'W
51°28'N
18.919.119.219.3
DEPTHSDepths downstream of Richmond Lock & Weir are in metres and are reduced to Chart Datum being 0.61 m & 0.76 m below Ordnance Datum (Newlyn), which is approximately the level of Lowest Astronomical Tide. Depths upstream of Richmond Lock & Weir are in metres and are reduced to Chart Datum being 1.72 m above Ordnance Datum (Newlyn), which is Maintained Water Level. HEIGHTSHeights are in metres. Underlined figures are drying heightsabove Chart Datum; all other heights are above MHWS. SOUNDINGSAll sub-tidal areas are surveyed by MBES giving 100% coverage to IHO S44 order 1A
POSITIONSPositions are referred to WGS 84.
TOPOGRAPHYThe shore features on this chart are based largely on OrdnanceSurvey digital map data with the permission of the Controller of Her Majesty's Stationery Office. © Crown Copyright 2016.All rights reserved. Ordnance Survey Licence number 100022150.
LIGHTS ON JETTIESLight stars without legends represent two fixed lightsdisplayed vertically. They are seen as red to portand green to starboard when proceeding upriver. DISTANCESDistances from London Bridge are shown along the N channeledge in Sea Miles and tenths against this symbol .
LADDERSPermanent ladders, the exact position or condition of which cannot be guaranteed, are shown thus .
BRIDGES - Headway at the centre span above MHWS:Richmond Footbridge = 5.4 m.
MOORINGSMooring screws are shown in their true position thus andbuoys shown as symbols.Buoy numbers shown (20) are PLA references. PLA REFERENCESThe numbers shown on the shore and in parenthesis in theriver adjacent to moorings refer to PLA licences.
PLA PUBLICATIONSRefer to PLA Publications for further information:1. PLA River Byelaws2. General Directions for Navigation3. PLA Tide Tables & Port Information4. The River Thames Recreational Users Guide5. Rowing on the Tideway
RICHMOND LOCK & WEIRClosure of weir gates and prohibition of passage through weirarches is shown by three red discs below each arch during hoursof daylight and three red lights at night.Weir gate sill is 1.3m below ODNCrest of boat rollers is 2.1m above ODNLock upper sill is 1.4m below ODNLock lower sill is 2.0m below ODNLock Length 76m, width 7.9mHeadway within the lock above MHWS of 5.1m.
NOTE: The height of low water is greatly affected by fresh water flow over Teddington Weir. In drought conditions recorded levels as low as 0.49m BELOW chart datum have reduced the availabledepth downstream from Richmond Lock & weir during the period of low water.
PLA HYDROGRAPHIC SERVICE WEBSITEwww.pla.co.uk/hydrohomepage
Tide Details, referred to levels atRICHMOND LOCK.Highest RecordedHATMean High Water SpringsMean High WaterMean High Water NeapsOrdnance Datum (Newlyn)Mean Low Water NeapsMean Low Water SpringsChart Datum
Ordnance Datum
ChartDatum
5.47 6.08 (1978)4.89 5.50 4.17 4.78 3.67 4.28 3.16 3.77-------- 0.61-0.37 0.24 see note above-0.54 0.07 " " "-0.61 -------
Issue:01 Date:18/10/13Page 1 of 1
HYDROGRAPHIC SERVICEISO FORM 425
For further information see the PLA hydrographic service website:http://www.pla.co.uk/Safety/PLA-Hydrographic-Service-Published-Surveys
Charts: Petersham Ait to Richmond Lock to Church Ferry, Isleworth
Port of London AuthorityChart Correction Advice
Date:29th December, 2017
CCA No: 2017/47
The accompanying block correction shows: New Depths & Contours in the channel and on the approaches to the lock & weir
PLA Chart No. 304HO Ref No. 113-304-087
Previous Chart Correction: New Edition
PLA Chart No. 303HO Ref No. 113-303-014
Previous Chart Correction: New Edition
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