[Ord. No. O-25-2018, 7-12-2018; amended 8-8-2023 by Ord. No. O-11-2023]
Ground-mounted gray water systems shall not count towards improved coverage.
[Ord. No. O-25-2018, 7-12-2018; amended 8-8-2023 by Ord. No. O-11-2023]
Porous pavement shall count toward improved lot coverage at a discounted rate.
[Ord. No. O-25-2018, 7-12-2018; amended 8-8-2023 by Ord. No. O-11-2023]
a. 
Effective impervious coverage drainage capacity for a ten-year-rain event.
b. 
Square footage of impervious surface which would generate that capacity during a ten-year-rain event.
c. 
Square footage of impervious or pervious pavement that drains into the pervious pavement.
d. 
A maintenance plan for all areas paved in porous or pervious pavement to remove surface sediment buildup on a yearly basis through regular vacuuming.
[Ord. No. O-25-2018, 7-12-2018; amended 8-8-2023 by Ord. No. O-11-2023]
a. 
The eligible area for a discounted improved lot coverage shall be defined by the smaller of the submission requirement in Subsection 30-439.2b and the submission requirement in Subsection 30-439.2c.
b. 
The impervious coverage area of the eligible area shall be calculated as the eligible area/2.
[Ord. No. O-25-2018, 7-12-2018; amended 8-8-2023 by Ord. No. O-11-2023]
In the case that two or more pervious pavement areas share drainage, the submission requirement in Subsection 30-439.2c shall be divided equally among the pervious pavement areas that share drainage.
[Ord. No. O-25-2018, 7-12-2018; amended 8-8-2023 by Ord. No. O-11-2023]
Bioswales and rain gardens may be used to decrease the improved lot coverage.
[Ord. No. O-25-2018, 7-12-2018; amended 8-8-2023 by Ord. No. O-11-2023]
a. 
Effective drainage capacity for a ten-year rain event.
b. 
Square footage of impervious surface which would generate that capacity during a ten-year rain event.
c. 
Square footage of impervious or pervious pavement that drains into the pervious pavement.
d. 
A maintenance plan for all bioswale or rain garden areas, including the replacement of any plantings and removal of trash or excess biomatter to allow for proper drainage and infiltration.
[Ord. No. O-25-2018, 7-12-2018; amended 8-8-2023 by Ord. No. O-11-2023]
a. 
The eligible area for a discounted improved lot coverage shall be defined by the smaller of the submission requirement in Subsection 30-440.2b and the submission requirement in Subsection 30-440.2c.
b. 
The impervious coverage area of the eligible area shall be calculated as the eligible area/2.
[Ord. No. O-25-2018, 7-12-2018; amended 8-8-2023 by Ord. No. O-11-2023]
In the case that two or more pervious pavement areas share drainage, the submission requirement in Subsection 30-440.2c shall be divided equally among the pervious pavement areas that share drainage.
The Board may consider the use of other sustainable features to be used. Incorporation of a sustainable feature may count towards the positive criteria or serve to ameliorate or mitigate a negative impact of a project.