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| ===Thank you to all of our active community members below, for helping us to make corrections and find additional useful content=== | | ===Thank you to all of our active community members below, for helping us to make corrections and find additional useful content=== |
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| + | '''28 October 2019''' |
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| + | ''Could we add some settling velocities here? It's something I've found very useful in other manuals and I think it would be good to have here.'' |
| + | *Thank you - it has now been added to the [[Dry ponds]] page. |
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| + | '''17 September 2019''' |
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| + | ''This section should include a link to the City of Toronto Green Streets Technical Guidelines Plant Material Selection tool. This is the most complete and comprehensive tool available for selecting tree, shrubs and herbaceous species for all GI SWM installations, by GI type. |
| + | *Thank you this resource has now been referenced on the [[Plant lists]] page. |
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| + | '''12 September 2019''' |
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| + | ''Overview section - You may want to add to the list of bullet points: Composite plastic/recycled rubber permeable unit pavers Under the 'fundamental' heading - 3rd Bullet 'cast in place' should be changed to 'cast-in-place" Under the 'Uses' section- Add to the list of additional components ' Impervious liner for installations where infiltration is not desirable including well-head, protection areas, high water table sites and sites where installations are proximate to building faces/foundations'. Pretreatment section - Last sentence - Change the word 'element' to 'method' Risk of Groundwater Contamination section - 2nd bullet - Add a comma after 'such as' This section would benefit from some discussion related to the use of an impervious liner and an underdrain to provide a barrier to protect groundwater. The system functions as a 'filtration/attenuation' installation. Private Systems section - Last sentence - Change 'existing practices' to 'existing permeable pavement installations'. Design section - Finish course - 1st sentence - chage 'of' to 'for and add 'specific' ('for their specific product'). Performance section - This section would benefit from some discussion related to attenuation/filtration (non-infiltration type installations). On urban sites where underground parking garages are lot-line to lot-line, we commonly use permeable pavement with a liner and a stone reservoir as a tool to achieve SWM targets. This technique is one of the few means available to assist on very tight sites or within projects that are located on Brownfield sites that have been remediated through capping to encapsulate contaminated subsoils.'' |
| + | *Thank you these edits and sectiosn have been changed on the [[Permeable pavements]] |
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| + | '''4 September 2019''' |
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| + | ''In the second line 'n' should be changed to 'in' Overview section - 1st line, add a hyphen between 'well' and 'recognized' Additional Components section - Add Impervious liner to the list of components with the explanation that an impervious liner can be used where the bioretention installation is proposed in close proximity to buildings, in areas where the water table is high and over contaminated soils Space section - 3rd bullet, second line - add hyphen between 'trade' and 'off' 4th bullet should be changed to read '...from having very curvilinear, soft edges and variable depth...'. Add a hyphen between 'hard' and 'sided' 6th bullet - add 'with' before 'regards'. Change text to read, '...check to ensure that the future canopy height...' Overflow routing section - sidebar sketches should include labels 'Off-line' and 'On-line' in order to correspond with the text in the 'Routing' section Overflow Elevation section - 2nd line - 'timeltime' should be changed to 'timeline' Freeboard section - 3rd bullet - 'above grade' is repeated. Delete second 'above grade' and add hyphen between 'above' and 'grade' in the remaining reference. Gallery - 2nd image from the left. Correct the location of the photo credit and change capital 'B' in subsequent word to lower-case. Plant Selection section - Add text that discourages the use of non-native, invasive species and promotes use of native species that are indigenous to the region'' |
| + | *Thank you for all of your edits, changes have been made on the [[Bioretention]] page. |
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| + | '''15 August 2019''' |
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| + | ''C.Davidson, Golder Associates - The Wiki says "Void Ratio of 0.4", but the Stormtech reference cited says "Porosity of 40%". These are not the same number. -Porosity = Volume of Voids / Total Volume of Material -Void Ratio = Volume of Voids / Volume of Solids For clearstone layer with 40% porosity, should not void ratio be 40% / 60%, or 0.67? SWMM5 also gives "Typical values range from 0.5 to 0.75 for gravel beds"'' |
| + | *Thank you Chris, this has been changed to proper "Porosity value of 0.4" instead of "void ratio" on the [[Infiltration trenches]]. |
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| + | '''12 August 2019''' |
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| + | ''Hello. Please include an external link to https://trca.ca/news/set-up-rain-barrels-harvest-rainwater/ Thanks - Brent'' |
| + | *Thanks Brent - it has now been added to the [[Rain barrels]] page. |
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| + | '''12 August 2019''' |
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| + | ''Hello. Please include an external link to https://trca.ca/news/complete-guide-building-maintaining-rain-garden/ Thanks. - Brent'' |
| + | *Thanks Brent - it has now been added to the [[Rain Gardens]] page. |
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| + | '''25 July 2019''' |
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| + | ''Please add the STEP video about the LID tool to this page.'' |
| + | *All "how-to" STEP videos have been updated and added to the [[Low impact development treatment train tool]], along with updated user-friendly text. |
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| + | '''24 July 2019''' |
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| + | ''Clarify porosity vs storage capacity. there is no provided definition for storage capacity, though it might infer media porosity. Please specify.'' |
| + | *Thank you, this has since been clarified on the [[Bioretention media storage]] page. |
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| + | '''15 July 2019''' |
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| + | ''ASCE standard for permeable pavers should be referenced. Base depths and layering specifications are provided in this document. Consider referencing these depths here for easy reference.'' |
| + | *Has since been added on the [[permeable pavements]] page. Please also review the following pages [[Permeable pavement: Plan review]], [[Permeable pavements: Sizing]], [[Permeable pavements: Specifications]], which include design references to the CSA, AASHTO, ASTM, and the [https://www.amazon.com/Permeable-Interlocking-Concrete-Pavements-David/dp/B078PQSFNQ Permeable Interlocking Concrete Pavements, 5th Edition. Interlocking Concrete Pavement Institute Manual, 2017], which was the basis for the ASCE 68-18 standard written by David R. Smith. |
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| + | '''3 July 2019''' |
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| + | ''Armtec link is broken.'' |
| + | *Fixed on the [[chambers]] page. |
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| + | '''3 July 2019''' |
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| + | ''The first photo is owned by Bill Trenouth, taken in 2009.You are welcome to use it though!'' |
| + | *Thank you, we provided acknowledgement of ownership now - much appreciated! |
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| + | '''10 June 2019''' |
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| + | ''Often asked to provide a specification for deeper monitoring wells. This is a good start. More specifications please. Minimum diameter 100 mm, as smaller pipes tend to bend when soil is backfilled into the trench. Rigid material such as PVC preferred. Perforations only along the bottom where it intersects with the stone drainage layer. Lockable cap preferred. Top elevation above surface overflow elevation (you have that one, but hoping they don't forget about the overflow pipe at surface if there is one). Sock to keep sediment out of the well. Perforation spacing similar to typical perforated drainage pipe. Bottom should penetrate below the drainage pipe and into the native soil by at least 150 mm as the sensor is not at the very bottom of the instrument. This allows calculation of drain down time of water between the invert of the drainage pipe and the native soil. If the drainage pipe is installed in a small v-notch trench, the well should extend min 150 mm below the invert of this pipe. Deeper wells may also be installed to monitor groundwater table fluctuations below the facility, in which case the well must extend below the lowest annual elevation of the groundwater table. Simple schematic would be helpful. See Lakeshore pilot drawings as example. Normally we are using the monitoring well to measure water level fluctuations in response to rain events - you mention that it is used to measure water retention in the well, which may be confusing.'' |
| + | *Details added in a table under the [[Wells#Monitoring Well Specifications|Monitoring Well Specifications]] section. |
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| + | '''28 May 2019''' |
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| + | ''The document should also provide links for plastic chambers by Prinsco and StormChamber. https://www.prinsco.com/prinsco-markets/products/hydrostor-chamber/ http://stormchambers.com/'' |
| + | *In our effort to make this guide as functional as possible, we have decided to include proprietary systems and links to manufacturers websites. Inclusion of such links does not constitute endorsement by the Sustainable Technologies Evaluation Program. We have updated the page and link updates are welcomed using the form at the bottom of the [[chambers]] page. |
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| + | '''9 May 2019''' |
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| + | ''well should penetrate into the native soil by 10 cm or more to accomplish the objective of determining drainage to native soils. Currently depth of well spec suggests it penetrates below underdrain only. Typical diameter of monitoring well and the option of a lockable cap for continuous water level sensor monitoring should be provided. A schematic would be helpful.'' |
| + | *Fixed and added schematic on the [[wells]] page |
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| '''18 April 2019''' | | '''18 April 2019''' |
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| ''Snout link is broken'' | | ''Snout link is broken'' |
− | *Fixed, thanks for the notice. | + | *Fixed on the [[pretreatment]] page. |
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| '''12 April 2019''' | | '''12 April 2019''' |
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| ''Do the units check out for calculating the total depth of the stone reservoir? (i.e. should f' be in units of m/hr instead of m/day?)'' | | ''Do the units check out for calculating the total depth of the stone reservoir? (i.e. should f' be in units of m/hr instead of m/day?)'' |
− | *The [[notation]] used in the equations on [[Permeable paving: Sizing]] is being brought into line with the other sections of the site. Units have also been checked and brought into line to millimeters and hours as used for the other BMPs. | + | *The [[notation]] used in the equations on [[Permeable pavements: Sizing]] is being brought into line with the other sections of the site. Units have also been checked and brought into line to millimeters and hours as used for the other BMPs. |
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| '''16 July 2018''' | | '''16 July 2018''' |