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| |colspan="2" style="color:red"| '''(Impervious /permeable pavemet) area''' || <= 1.2 || || <= 1.2 || < =3.0 || Limit CDA to small adjacent impervious area || || 2-5 X the SA of PP || 2:1 || 3:1 || 2:1 || DA nolimit, runoff from surrounding areas minimized || 2:1-5:1 Note 1 || L1- 1:1, L2- No IP Note 2 || 1:1 | | |colspan="2" style="color:red"| '''(Impervious /Permeable Pavemet) Area''' || <= 1.2 || || <= 1.2 || < =3.0 || Limit CDA to small adjacent impervious area || || 2-5 X the SA of PP || 2:1 || 3:1 || 2:1 || DA nolimit, runoff from surrounding areas minimized || 2:1-5:1 Note 1 || L1- 1:1, L2- No IP Note 2 || 1:1 |
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| |colspan="2" style="color:red"| '''Depth to high water table (m)''' || 1 || || at least 1 || 0.6-1.0 || || || || || || || || || || | | |colspan="2" style="color:red"| '''Depth to High Water Table (m)''' || 1 || || at least 1 || 0.6-1.0 || || || || || || || || || || |
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| |colspan="2" style="color:red"| '''Slope of permeable pavement surface (%)''' || 1-5 || || 1-5 || 0.5-2.0 || || || || || || || || || || | | |colspan="2" style="color:red"| '''Slope of Permeable Pavement Surface (%)''' || 1-5 || || 1-5 || 0.5-2.0 || || || || || || || || || || |
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| |colspan="2" style="color:red"| '''A capped vertical sandpipe, perfored instaled to the bottom of the facility to monitor drainage time''' || 100-150 mm || || || || || || || || || || || || || | | |colspan="2" style="color:red"| '''A capped vertical standpipe, perforated instaled to the bottom of the facility to monitor drainage time''' || 100-150 mm || || || || || || || || || || || || || |
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| |colspan="2" style="color:red"| '''Botom slope if the system is not designed for infiltratin (%)''' || 1-5 || || 1-5 || || || || || || || || || || || | | |colspan="2" style="color:red"| '''Bottom Slope if the system is not designed for infiltratin (%)''' || 1-5 || || 1-5 || || || || || || || || || || || |
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| |colspan="2" style="color:red"| '''Drainage time of the pavement reservoir after the storm event''' || < 72 hr || || recommended 48 || || || || || || || || || || || | | |colspan="2" style="color:red"| '''Drainage Time of the pavement reservoir after the storm event''' || < 72 hr || || recommended 48 || || || || || || || || || || || |
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| |colspan="2" style="color:red"| '''Setback from building Foundation(m)''' || 4 || || 4 || || || || || || || || || || || | | |colspan="2" style="color:red"| '''Setback from Building Foundation(m)''' || 4 || || 4 || || || || || || || || || || || |
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| |colspan="2" style="color:red"|'''Material''' | | |colspan="2" style="color:red"|'''Material''' |
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| |colspan="2" style="text-align: right;| Air voids (%) || min. 16 || min. 16 || min. 16 || || || || || || || || || || || | | |colspan="2" style="text-align: right;| Air Voids (%) || min. 16 || min. 16 || min. 16 || || || || || || || || || || || |
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| |colspan="2" style="text-align: right;| Thickness (mm) || 50-100 || 50-100 || 50-100 || || || || || || || || || || || | | |colspan="2" style="text-align: right;| Thickness (mm) || 50-100 || 50-100 || 50-100 || || || || || || || || || || || |
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| |colspan="2" style="color:red"|'''Permeable Pavers''' | | |colspan="2" style="color:red"|'''Permeable Pavers''' |
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| |colspan="2" style="text-align: right;| Diameter of crushed aggregate (mm) || 5 || || 5 || || || || || || || || || || || | | |colspan="2" style="text-align: right;| Diameter of Crushed Aggregate (mm) || 5 || || 5 || || || || || || || || || || || |
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| |colspan="2" style="text-align: right;| Thickness for vehicular applications (mm) || 80 || || 80 || || || || || || || || || || || | | |colspan="2" style="text-align: right;| Thickness for Vehicular Applications (mm) || 80 || || 80 || || || || || || || || || || || |
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| |colspan="2" style="text-align: right;| Thickness for pedistrian applications (mm) || 60 || || 60 || || || || || || || || || || || | | |colspan="2" style="text-align: right;| Thickness for Pedestrian Applications (mm) || 60 || || 60 || || || || || || || || || || || |
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| |colspan="2" style="text-align: right;| Joint widths for pedistrian applications (mm) || < 15 || || < 15 || || || || || || || || || || || | | |colspan="2" style="text-align: right;| Joint widths for pedistrian applications (mm) || < 15 || || < 15 || || || || || || || || || || || |
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| |colspan="2" style="color:red"| '''Stone reservoir''' | | |colspan="2" style="color:red"| '''Stone reservoir''' |
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| |colspan="2" style="text-align: right;|Filter course diameter || || || || 10-12 mm || || || || || || || || || || | | |colspan="2" style="text-align: right;|Filter course diameter (mm)|| || || || 10-12 || || || || || || || || || || |
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| |colspan="2" style="text-align: right;|Depth below base pf pavement || || || || 25-30 || || || || || || || || || || | | |colspan="2" style="text-align: right;|Depth below base of pavement (mm) || || || || 25-30 || || || || || || || || || || |
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| |colspan="2" style="text-align: right;|Depth below subbase, mm || || || || 50-500 || || || || || || || || || || | | |colspan="2" style="text-align: right;|Depth below subbase, (mm) || || || || 50-500 || || || || || || || || || || |
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| |colspan="2" style="text-align: right;|Subbase diameter || || || || 25-40 mm || || || || || || || || || || | | |colspan="2" style="text-align: right;|Subbase diameter (mm) || || || || 25-40 || || || || || || || || || || |
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| |colspan="2" style="text-align: right;|Depth below filter course || || || || 50-250 mm || || || || || || || || || || | | |colspan="2" style="text-align: right;|Depth below filter course (mm)|| || || || 50-250 || || || || || || || || || || |
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| |colspan="2" style="text-align: right;|Granular subbase stone diameter (mm) || 50 || 50 || 50 || > 50 || || || || || || || || || || | | |colspan="2" style="text-align: right;|Granular subbase stone diameter (mm) || 50 || 50 || 50 || > 50 || || || || || || || || || || |
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| |colspan="2" style="text-align: right;|Time to drain stone bed, hr || || 24-72 || || || || || || || || || || || || | | |colspan="2" style="text-align: right;|Time to drain stone bed, (hr.) || || 24-72 || || || || || || || || || || || || |
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| |colspan="2" style="text-align: right;|Thickness (mm) ||40-75 || 40-75 || 40-75 || || || || || || || || || || || | | |colspan="2" style="text-align: right;|Thickness (mm) ||40-75 || 40-75 || 40-75 || || || || || || || || || || || |
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| |colspan="2" style="text-align: right;|Above the bottom of the gravel layer (mm) || || 100 || || || || || || || || || || || || | | |colspan="2" style="text-align: right;|Above the bottom of the gravel layer (mm) || || 100 || || || || || || || || || || || || |
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| |colspan="2" style="color:red"| '''Facilties reciving road runoff are not located within time of travel wellhead protection areas, year''' || 2 || || 2 || || || || || || || || || || || | | |colspan="2" style="color:red"| '''Facilties reciving road runoff are not located within time of travel wellhead protection areas, (year)''' || 2 || || 2 || || || || || || || || || || || |
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| |colspan="2" style="color:red"| '''Subsoil infiltration rate, mm/hr.''' || || || || >= 13 || || || || || || || || || || | | |colspan="2" style="color:red"| '''Subsoil infiltration rate,(mm/hr.)''' || || || || >= 13 || || || || || || || || || || |
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| |colspan="2" style="text-align: right;|When contact with anti-skid material || || || || >= 26 || || || || || || || || || || | | |colspan="2" style="text-align: right;|When contact with anti-skid material || || || || >= 26 || || || || || || || || || || |
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| |colspan="2" style="text-align: right;|When contributing area > 4 hectares || || || || >=35 || || || || || || || || || || | | |colspan="2" style="text-align: right;|When contributing area > 4 hectares || || || || >=35 || || || || || || || || || || |
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| |colspan="2" style="color:red"| '''Emptying Time, hrs.''' || || || || < 72 || || || || || || || || || || | | |colspan="2" style="color:red"| '''Emptying Time, (hrs.)''' || || || || < 72 || || || || || || || || || || |
| |} | | |} |
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| - '''Note 1''': IP ratio increases when clean roof runoff, or if runoff pre-treated; PICP OA: 5-15%, PC VC:15-35%; PA VC:16-20% | | - '''Note 1''': IP ratio increases when clean roof runoff, or if runoff pre-treated; PICP OA: 5-15%, PC VC:15-35%; PA VC:16-20% |
| - '''Note 2''': L1-45% runoff reduction credit, L2-75%; PICP: 5-15% OA; CGP: 20-50% OVC; PC: 15-25%; PA: 15-20% | | - '''Note 2''': L1-45% runoff reduction credit, L2-75%; PICP: 5-15% OA; CGP: 20-50% OVC; PC: 15-25%; PA: 15-20% |