20051882 Ver 4_Worksheets_20070626

Project Name: Highland Cree ,~~ AA
Project No. DWQ 0505-18~ ~Iv4 ~ ~~
SUBMITTED DESIGN.• REQUIRED DESIGN.•
elevations
Permanent Pool (ft) 275 3
Temporary Pool (ft) 276.3 1.3 ft. depth ok
areas
Permanent Pool SA (sq ft) 24433 20770 sq. ft. ok
Drainage Area (ac) 22.8
Impervious Area (ac) 11.61 50.9 % -
Forebay (ft2) 4005 16.391765 % ok
High Marsh (ft2) 8995 36.8 % ok
Low Marsh (ft2) 7294 29.9 % check marsh
Micropool (ft2) 4138 16.936111 % ok
99.99591
volumes
Temporary Pool (cu ft) 33820 42068 cu. ft. check tempo
other parameters
SA/DA 2.09 2.09 -
Orifice Diameter (in) 3 0.19 cfs drawdown -
Design Rainfall (in) 1 2.1 day drawdown ok
Linear Interpolation of Correct SA/DA
Im ervious
Next Lowest 5'0
Project Impervious 50.9
Next Highest 60
3 ft. Permanent Pool Depth
SA/DA from Table
.2.06
2.09
2.4
~~,
~/~/o~

Project Name: Highland Cree
Project No. DWQ 05-1882v2
SWMF 2
SUBMITTED DESIGN.• REQUIRED DESIGN:
elevations

Permanent Pool (ft) 278 3
Temporary Pool (ft) 279.36 1.36 ft. depth ok
areas
Permanent Pool SA (sq ft) 14506 12129 sq. ft. ok
Drainage Area (ac) 12.18
Impervious Area (ac) 6.9 56.7 % -
Forebay (ft2) 1934 13.332414 % ok
High Marsh (ft2) 5237 36.1 % ok
Low Marsh (ft2) 5453 37.6 % ok
Micropool (ft2) 1882 12.973942 % check micro,
100
volumes
Temporary Pool (cu ft) 20138 24753 cu. ft. check tempo
other parameters
SA/DA 2.29 2.29 -
Orifice Diameter (in) 2 0.09 cfs drawdown -
Design Rainfall (in) 1 2.7 day drawdown ok
Linear Interpolation of Correct SA/DA
3 ft. Permanent Pool Depth
Im pervious SA/DA from Table
Next Lowest 50 2.06
Project Impervious 56.7 2.29
Next Highest 60 2.4

Project Name: Highland Cree
Project No. DWQ OS-1882v2
SWMF 7
SUBMITTED DESIGN.• REQUIRED DESIGN:
elevations
Permanent Pool (ft) 266.5 3
Temporary Pool (ft) 267.68 1.18 ft. depth ok
areas
Permanent Pool SA (sq ft) 29498 23411 sq. ft. ok
Drainage Area (ac) 31.67
Impervious Area (ac) 12.4 39.2 % -
Forebay (ft2) 2524 8.5565123 % check forebc
High Marsh (ft2) 10372 35.2 % ok
Low Marsh (ft2) 13951 47.3 % check marsh
Micropool (ft2) 2651 8.98705 % check micro,
100
volumes
Temporary Pool (cu ft) 35773 46259 cu. ft. check tempo
other parameters
SA/DA 1.7 1.70 -
Orifice Diameter (in) 3 0.18 cfs drawdown -
Design Rainfall (in) 1 2.3 day drawdown ok
Linear Interpolation of Correct SA/DA
3 ft. Permanent Pool Depth
Im ervious SA/DA from Table
Next Lowest 30 1.34
Project Impervious 39.2 1.70
Next Highest 40 1.73

Project Name: Highland Cree
Project No. DWQ OS-1882v2
SWMF 10
SUBMITTED DESIGN: REQUIRED DESIGN:
elevations
Permanent Pool (ft) 272 3
Temporary Pool (ft) -273.4 1.4 ft. depth ok
areas
Permanent Pool SA (sq ft) 28219 25049 sq. ft. ok
Drainage Area (ac) 26.85
Impervious Area (ac) 14.07 52.4 % -
Forebay (ft2) 3717 13.171976 % ok
High Marsh (ft2) 10215 36.2 % ok
Low Marsh (ft2) 9885 35.0 % ok
Micropool (ft2) 4402 15.599419 % ok
100
volumes
Temporary Pool (cu ft) 40395 50840 cu. t. check tempo
other parameters
SA/DA 2.14 2.14 -
Orifice Diameter (in) 3 0.20 cfs drawdown -
Design Rainfall (in) 1 2.4 day drawdown ok
Linear Interpolation of Correct SA/DA
3 ft. Permanent Pool Depth
Im ervious SA/DA from Table
Next Lowest 50 2.06
Project Impervious 52.4 2.14
Next Highest 60 2,4