concrete paving & storm drainage system326 …
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CONCRETE PAVING & STORM DRAINAGE SYSTEMF.F.E. = 1883.75
105,000 SF (300' x 350')
EX-A2
EX-D1AEX-D1
EX-C1
EX-A3
EX-A4
EX-A5
EX-A6
EX-A7
EX-A8EX-A9
EX-A1
CoCoCoCoCoCoCoCoCoCoCoCoDs2Ds3Ds2Ds3
Ds2Ds3Ds2Ds3
Ds2Ds3Ds2Ds3
Ds2Ds3Ds2Ds3
Ds2Ds3Ds2Ds3
Ds2Ds3Ds2Ds3
Ds2Ds3Ds2Ds3
Ds2Ds3Ds2Ds3
Ds2Ds3Ds2Ds3 Ds2
Ds3Ds2Ds3
Ss
Ss
Ss
Ss
Ss
Ss
Ss
Ss
SsSs
SF
SF
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Sd-1CSd1-S
Sd-1CSd1-S
Sd-1CSd1-S
Ds2Ds3Ds2Ds3Ss
Ds2Ds3Ds2Ds3Ss
B6Sd2-Ex
B5Sd2-Ex
B3Sd2-Ex
B2Sd2-Ex
B1Sd2-Ex
DATE:
PROJ NO:
DRAWN BY:
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THIS SEAL IS VALID ONLY IF SIGNED AND DATED
BY THE LICENSED PROFESSIONAL SHOWN.
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"ALL UTILITIES, WATER, FIRE, SANITARY, GASAND ELECTRICAL LINES, AND LATERALS MUSTBE MARKED WITH LOCATOR WIRE ANDDETECTOR TAPE".
Over Excavated Sediment Trap (Sediment Storage Calcs.) - Structure B6
1. Drainage Area = 1.72 ac.2. Required sediment storage = 67 cy/ac * drainage area Required sediment storage = 67 cy/ac * 1.72 ac. = 115.2 cy = 3111.4 cf3. Assume excavation (minimum of 1.5 ft.) = 1.5 ft.4. Assume (shall not be steeper than 2:1) = 2:15. Determine required surface area SA min = Required sediment storage / excavation depth SA min = 3111.4 cf / 1.5 ft. min = 2074 sf6. Assume shape of excavation and determine dimensions. (A rectangular shape with 2:1 length to width ration is recommended.) Circular Dia 51.4 ft Provided: Dia 55 ft = 2374 SF SA >2074 SF SA
STRUCTURE B6 - DRAINAGE AREADRAINED AREA = 1.72
B6 - OVER EXCAVATEDSEDIMENT TRAP
1 inch = ft.
( IN FEET )
GRAPHIC SCALE
0
40 40 80
40
16020
N
O
R
T
H
Over Excavated Sediment Trap (Sediment Storage Calcs.) - Structure B5
1. Drainage Area = 1.42 ac.2. Required sediment storage = 67 cy/ac * drainage area Required sediment storage = 67 cy/ac * 1.42 ac. = 98.5 cy = 2659.2 cf3. Assume excavation (minimum of 1.5 ft.) = 1.5 ft.4. Assume (shall not be steeper than 2:1) = 2:15. Determine required surface area SA min = Required sediment storage / excavation depth SA min = 2659.2 cf / 1.5 ft. min = 1772 sf6. Assume shape of excavation and determine dimensions. (A rectangular shape with 2:1 length to width ration is recommended.) Circular Dia 47.5 ft Provided: Dia 50 ft = 1962 SF SA >1772 SF SA
STRUCTURE B5 - DRAINAGE AREADRAINED AREA = 1.42
B5 - OVER EXCAVATEDSEDIMENT TRAP
Over Excavated Sediment Trap (Sediment Storage Calcs.) - Structure B3
1. Drainage Area = 0.45 ac.2. Required sediment storage = 67 cy/ac * drainage area Required sediment storage = 67 cy/ac * 0.45 ac. = 30.1 cy = 814 cf3. Assume excavation (minimum of 1.5 ft.) = 1.5 ft.4. Assume (shall not be steeper than 2:1) = 2:15. Determine required surface area SA min = Required sediment storage / excavation depth SA min = 814 cf / 1.5 ft. min = 542 sf6. Assume shape of excavation and determine dimensions. (A rectangular shape with 2:1 length to width ration is recommended.) Rectangular L = 30 ft W = 18 ft Provided: L = 30 ft W = 20 ft = 600 SF SA >542 SF SA
STRUCTURE B3 - DRAINAGE AREADRAINED AREA = 0.45
B3 - OVER EXCAVATEDSEDIMENT TRAP
Over Excavated Sediment Trap (Sediment Storage Calcs.) - Structure B2
1. Drainage Area = 0.20 ac.2. Required sediment storage = 67 cy/ac * drainage area Required sediment storage = 67 cy/ac * 0.20 ac. = 13.4 cy = 361 cf3. Assume excavation (minimum of 1.5 ft.) = 1.5 ft.4. Assume (shall not be steeper than 2:1) = 2:15. Determine required surface area SA min = Required sediment storage / excavation depth SA min = 361 cf / 1.5 ft. min = 241 sf6. Assume shape of excavation and determine dimensions. (A rectangular shape with 2:1 length to width ration is recommended.) Circular Dia 17.5 ft Provided: Dia 20 ft = 314 SF SA >241 SF SA
STRUCTURE B2 - DRAINAGE AREADRAINED AREA = 0.20
B2 - OVER EXCAVATEDSEDIMENT TRAP
Over Excavated Sediment Trap (Sediment Storage Calcs.) - Structure B1
1. Drainage Area = 0.20 ac.2. Required sediment storage = 67 cy/ac * drainage area Required sediment storage = 67 cy/ac * 0.20 ac. = 13.4 cy = 361 cf3. Assume excavation (minimum of 1.5 ft.) = 1.5 ft.4. Assume (shall not be steeper than 2:1) = 2:15. Determine required surface area SA min = Required sediment storage / excavation depth SA min = 361 cf / 1.5 ft. min = 241 sf6. Assume shape of excavation and determine dimensions. (A rectangular shape with 2:1 length to width ration is recommended.) Circular Dia 17.5 ft Provided: Dia 20 ft = 314 SF SA >241 SF SA
STRUCTURE B1 - DRAINAGE AREADRAINED AREA = 0.20
B1 - OVER EXCAVATEDSEDIMENT TRAP
AREA A6AREA A5
AREA A3
AREA A2
AREA A1