SUPPLEMENTS
Cul-de-sac, Local, Subcollector & Collector Streets: | 5" of Asphalt Concrete on 9" of Aggregate Base or 9 ½" of Asphalt Concrete |
Commercial, Industrial & Arterial Streets: | 6" of Asphalt Concrete on 12" of Aggregate Base or 11" of Asphalt Concrete |
Local Street | Collector Street | Arterial Street |
7 inches | 7 inches | 7 inches |
SCHEDULE A | |||
SIZE ACRE | MINIMUM WIDTH FEET | MAXIMUM DEPTH FEET | WIDTH TO DEPTH RATIO |
0.5 | 90 | 270 | 1:3 |
1.0 | 120 | 360 | 1:3 |
1.5 | 150 | 450 | 1:3 |
2.0 | 170 | 510 | 1:3 |
3.0 | 200 | 650 | 1:3.2 |
4.0 | 200 | 871 | 1:4.3 |
5.0 | 200 | 1,088 | 1:5.5 |
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Improvement | Installation | Guarantee |
A.______________________ | ____________________ | ___________________ |
B.______________________ | ____________________ | ___________________ |
C.______________________ | ____________________ | ___________________ |
D.______________________ | ____________________ | ___________________ |
E.______________________ | ____________________ | ___________________ |
Item (Exhibit) | No. |
a.___________________________________ | _______________________ |
b.___________________________________ | _______________________ |
c.___________________________________ | _______________________ |
_______________________________ Signature Applicant | ________________________________ Signature Surveyor or Engineer |
For Official Use Only Date received: ______________________ Date of Meeting of Planning Commission:______________________________ Action by Planning Commission:________________________________________ ____________________________________________________________________ If plat rejected, reason(s) for rejection: __________________________________ _____________________________________________________________________ Date: __________________ _________________________________________ Signature, Chm. Planning Commission |
CITY OF DELPHOS, OHIO Date: ____________________Application No._________________________ 1. Name of Applicant:__________________________________________ Address:____________________________________________________ Phone:______________________________________________________ 2. Name of Surveyor or Engineer_________________________________ Address:____________________________________________________ Phone:______________________________________________________ 3. Name of Subdivision__________________________________________ 4. Date Overall Development Plan Approved:______________________ a. Date of Construction Plan Approved:_________________ 5. Was a zoning change requested? Yes_____No______ If yes, the plat may not be approved until it conforms with the local zoning. Include a certification of zoning compliance if a change was requested. 6. Have all required improvements been installed?Yes____No____ a.Have maintenance/performance bonds been posted? Yes ___ No.____ b.If no, include detailed estimates of cost and a statement relative to the method of improvement guarantee. All estimates must be approved by the responsible (city) official. 7. Do you propose deed restrictions? Yes____ No_____ 8. List other materials submitted with this application |
Item (Exhibit) | No. |
A.___________________________________ | _______________________ |
B.___________________________________ | _______________________ |
C.___________________________________ | _______________________ |
D.___________________________________ | _______________________ |
For Official Use Date Received: ____________________________ Date of Meeting of Planning Commission:__________________________________ Plat Fee $_________________ Inspection Fee $__________________ Action by Planning Commission_____________________________________________ _________________________________________________________________________ If plat rejected, reason(s) for rejection: ______________________________________ _________________________________________________________________________ Date: ____________________ _______________________________________ Signature of Chm, Planning Commission |
1. Two-Four Lot Division (Minor Subdivision) |
Fees for minor subdivision submittal shall be as follows: |
a. One Lot Division $10 |
b. Two Lot Division $20 |
c. Three Lot Division $30 |
d. Four Lot Division $40 |
2. Preliminary Plan |
A fee of $100.00 will be required for the submittal of the Preliminary Plan |
3. Final Plat |
The schedule of fees for Final Plat submittal shall be as follows: |
No. or Lots |
3 to 10 $ 50.00 |
11 to 20 $ 75.00 |
21 to 30 $100.00 |
31 and over $100.00 plus $1.00 per lot* |
*For example, the fee for 31 lots is $131.00 |
4. Other fees and charges shall be in accordance with the orders and directions of the appropriate public body. |
RAINFALL DURATION | RAIN- FALL INTENSITY | RAINFALL DURATION | RAIN- FALL INTENSITY |
(Minutes) | (In./Hr.) | (Minutes) | (In./Hr.) |
6.0 | to | 6.1 | 6.4 | 21.7 | to | 22.7 | 3.8 |
6.2 | to | 6.4 | 6.3 | 22.8 | to | 23.8 | 3.7 |
6.5 | to | 6.7 | 6.2 | 23.9 | to | 25.0 | 3.6 |
6.8 | to | 7.0 | 6.1 | 25.1 | to | 26.3 | 3.5 |
7.1 | to | 7.3 | 6.0 | 26.4 | to | 27.7 | 3.4 |
7.4 | to | 7.7 | 5.9 | 27.8 | to | 29.2 | 3.3 |
7.8 | to | 8.1 | 5.8 | 29.3 | to | 30.9 | 3.2 |
8.2 | to | 8.6 | 5.7 | 31. | to | 32.7 | 3.1 |
8.7 | to | 9.1 | 5.6 | 32.8 | to | 34.7 | 3.0 |
9.2 | to | 9.6 | 5.5 | 34.8 | to | 36.9 | 2.9 |
9.7 | to | 10.1 | 5.4 | 37.0 | to | 39.2 | 2.8 |
10.2 | to | 10.6 | 5.3 | 39.3 | to | 41.7 | 2.7 |
10.7 | to | 11.2 | 5.2 | 41.8 | to | 44.3 | 2.6 |
11.3 | to | 11.8 | 5.1 | 44.4 | to | 47.1 | 2.5 |
11.9 | to | 12.4 | 5.0 | 47.2 | to | 50.1 | 2.4 |
12.5 | to | 13.1 | 4.9 | 50.2 | to | 53.5 | 2.3 |
13.2 | to | 13.8 | 4.8 | 53.6 | to | 57.2 | 2.2 |
13.9 | to | 14.5 | 4.7 | 57.3 | to | 61.4 | 2.1 |
14.6 | to | 15.3 | 4.6 | 61.5 | to | 66.1 | 2.0 |
15.4 | to | 16.1 | 4.5 | 66.2 | to | 71.7 | 1.9 |
16.2 | to | 16.9 | 4.4 | 71.8 | to | 78.3 | 1.8 |
17.0 | to | 17.8 | 4.3 | 78.4 | to | 86.0 | 1.7 |
17.9 | to | 18.7 | 4.2 | 86.1 | to | 95.9 | 1.6 |
18.8 | to | 19.6 | 4.1 | 96.0 | to | 104.1 | 1.5 |
19.7 | to | 20.6 | 4.0 | 104.2 | to | 110.7 | 1.4 |
20.7 | to | 21.6 | 3.9 | 110.8 | to | 121.2 | 1.3 |
Frequency | Frequency | Frequency | ||||||||
Drainage Area Acres | 20-year | 50-year | Drainage Area (sq.mi.) | 20-year | 50- year | Drainage Area (sq. mi.) | 20-year | 50-year | ||
0.01 | 2.85 | 3.56 | 10 | 2.17 | 2.63 | |||||
.02 | 2.80 | 3.50 | 20 | 2.12 | 2.54 | |||||
.03 | 2.75 | 3.41 | 30 | 2.08 | 2.50 | |||||
.04 | 2.72 | 3.40 | 40 | 2.06 | 2.47 | |||||
.05 | 2.70 | 3.35 | 50 | 2.04 | 2.45 | |||||
6 | 2.86 | 3.58 | .06 | 2.65 | 3.26 | 60 | 2.04 | 2.45 | ||
7 | 2.85 | 3.56 | .07 | 2.63 | 3.24 | 70 | 2.03 | 2.44 | ||
8 | 2.84 | 3.55 | .08 | 2.62 | 3.22 | 80 | 2.02 | 2.42 | ||
9 | 2.83 | 3.54 | .09 | 2.60 | 3.20 | 90 | 2.00 | 2.40 | ||
10 | 2.82 | 3.50 | .10 | 2.58 | 3.17 | 100 | 1.98 | 2.38 | ||
20 | 2.75 | 3.41 | .2 | 2.52 | 3.12 | 200 | 1.94 | 2.29 | ||
30 | 2.70 | 3.35 | .3 | 2.49 | 3.06 | 300 | 1.92 | 2.27 | ||
40 | 2.64 | 3.25 | .4 | 2.45 | 3.01 | 400 | 1.89 | 2.23 | ||
50 | 2.60 | 3.20 | .5 | 2.43 | 2.99 | 500 | 1.87 | 2.21 | ||
60 | 2.59 | 3.19 | .6 | 2.42 | 2.98 | 600 | 1.86 | 2.19 | ||
70 | 2.58 | 3.17 | .7 | 2.41 | 2.96 | 700 | 1.84 | 2.15 | ||
80 | 2.57 | 3.16 | .8 | 2.40 | 2.95 | 800 | 1.83 | 2.14 | ||
90 | 2.56 | 3.15 | .9 | 2.38 | 2.90 | 900 | 1.82 | 2.13 | ||
100 | 2.55 | 3.14 | 1.0 | 2.37 | 2.89 | 1000 | 1.82 | 2.13 | ||
200 | 2.49 | 3.06 | 2. | 2.30 | 2.80 | 2000 | 1.78 | 2.08 | ||
300 | 2.45 | 3.01 | 3. | 2.26 | 2.73 | 3000 | 1.75 | 2.03 | ||
400 | 2.42 | 2.98 | 4. | 2.24 | 2.71 | 4000 | 1.73 | 2.01 | ||
500 | 2.40 | 2.95 | 5. | 2.23 | 2.70 | 5000 | 1.72 | 2.00 | ||
600 | 2.38 | 2.90 | 6. | 2.22 | 2.69 | 6000 | 1.70 | 1.97 | ||
700 | 2.37 | 2.89 | 7. | 2.20 | 2.66 | 7000 | 1.69 | 1.96 | ||
Frequency | Frequency | Frequency | ||||||||
Drainage Area Acres | 20-year | 50-year | Drainage Area (sq.mi.) | 20-year | 50- year | Drainage Area (sq. mi.) | 20-year | 50-year | ||
800 | 2.35 | 2.87 | 8. | 2.19 | 2.65 | 8000 | 1.68 | 1.95 | ||
900 | 2.34 | 2.85 | 9. | 2.18 | 2.64 | |||||
1000 | 2.33 | 2.84 | 10. | 2.17 | 2.63 | |||||
2000 | 2.28 | 2.78 | ||||||||
3000 | 2.24 | 2.71 | ||||||||
4000 | 2.21 | 2.67 | ||||||||
5000 | 2.19 | 2.65 | ||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
Manhole Station | Drainage Area | Time | Rainfall Intensity i | Runoff Coef. C | CA | CA | Design 0 | Pipe Length | Pipe Slope | Pipe Size | Velocity of flow | Just Full Capacity | ||
A | A | t | t | |||||||||||
Acres | Acres | Min. | Min. | in./hr. | Acres | Acres | cfs | ft. | ft/ft | in. | fps | cfs | ||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
Manhole Station | Drainage Area | Time | Rainfall Intensity i | Runoff Coef. C | Δ CA | Σ CA | Design 0 | Pipe Length | Pipe Slope | Pipe Size | Velocity of flow | Just Full Capacity | ||
ΔA | Σ A | Δ t | Σ t | |||||||||||
Acres | Acres | Min. | Min. | in./hr. | Acres | Acres | cfs | ft. | ft/ft | in. | fps | cfs | ||
2+40 | 1.2 | 1.2 | 13.0 | 4.9 | 0.45 | 0.54 | 0.54 | 2.7 | ||||||
1.3 | 300' | 0.006 | 15" | 3.8 | 4.4 | |||||||||
5+40 | 2.3 | 3.5 | 14.3 | 4.7 | 0.70 | 1.61 | 2.15 | 10.1 | ||||||
1.0 | 300' | 0.006 | 21" | 5/0 | 11/1 | |||||||||
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in./ft. | in./ft. | ft./ft. | z | z/0.015 | in./ft. | in./ft. | ft./ft. | z | z/0.015 | |
1/64 | .0120 | .0010 | 1000.0 | 66,666 | 19/32 | .5938 | .0495 | 20.21 | 1,347 | |
.0156 | .0013 | 769.2 | 51,282 | .6000 | .0500 | 20.00 | 1,333 | |||
.0246 | .0020 | 500.0 | 33,333 | 5/8 | .6250 | .0521 | 19.20 | 1,282 | ||
1/32 | .0313 | .0026 | 384.0 | 25,640 | 21/32 | .6563 | .0547 | 18.29 | 1,219 | |
.0360 | .0030 | 333.3 | 22,220 | .6600 | .0550 | 18.18 | 1,212 | |||
.0480 | .0040 | 250.0 | 16,666 | 11/16 | .6875 | .0573 | 17.47 | 1,163 | ||
.0600 | .0050 | 200.0 | 13,333 | .7000 | .0583 | 17.15 | 1,143 | |||
1/16 | .0625 | .0052 | 192.0 | 12,820 | 23/32 | .7188 | .0599 | 16.70 | 1,112 | |
.0720 | .0060 | 166.7 | 11,113 | .7200 | .0600 | 16.67 | 1,111 | |||
.0840 | .0070 | 142.9 | 9,526 | 3/4 | .7500 | .0625 | 16.00 | 1,066 | ||
3/32 | .0938 | .0078 | 128.0 | 8,546 | .7800 | .0650 | 15.38 | 1,025 | ||
.0960 | .0080 | 125.0 | 8,333 | 25/32 | .7813 | .0651 | 15.36 | 1,024 | ||
.1000 | .0083 | 120.5 | 8,033 | .8000 | .0666 | 15.00 | 1,000 | |||
.1080 | .0090 | 111.1 | 7,406 | 13/16 | .8125 | .0677 | 14.77 | 985 | ||
.1200 | .0100 | 100.0 | 6,666 | .8400 | .0700 | 14.28 | 952 | |||
1/8 | .1250 | .0104 | 96.00 | 6,410 | 27/32 | .8438 | .0703 | 14.22 | 948 | |
.1320 | .0110 | 90.90 | 6,060 | .8500 | .0708 | 14.12 | 941 | |||
.1440 | .0120 | 83.33 | 5,555 | 7/8 | .8750 | .0729 | 13.71 | 914 | ||
5/32 | .1563 | .0130 | 76.80 | 5,128 | .9000 | .0750 | 13.33 | 889 | ||
.1680 | .0140 | 71.43 | 4,762 | 29/32 | .9063 | .0755 | 13.24 | 882 | ||
.1800 | .0150 | 66.67 | 4,445 | 15/16 | .9375 | .0781 | 12.80 | 853 | ||
3/16 | .1875 | .0156 | 64.00 | 4,273 | .9500 | .0792 | 12.63 | 842 | ||
.1920 | .0160 | 62.50 | 4,167 | .9600 | .0800 | 12.50 | 833 | |||
.2000 | .0167 | 59.88 | 3,992 | 31/32 | .9688 | .0807 | 12.39 | 826 | ||
.2040 | .0170 | 58.82 | 3,921 | 1 | 1.000 | .0833 | 12.00 | 800 | ||
.2160 | .0180 | 55.56 | 3,704 | 1.020 | .0850 | 11.76 | 784 | |||
7/32 | .2188 | .0182 | 54.86 | 3,663 | 1.080 | .0900 | 11.11 | 741 | ||
.2280 | .0190 | 52.63 | 3,509 | 1.140 | .0950 | 10.52 | 701 | |||
.2400 | .0200 | 50.00 | 3,333 | 1.200 | .1000 | 10.00 | 666 | |||
1/4 | .2500 | .0208 | 48.00 | 3,205 | 2 | 2.000 | .1667 | 6.000 | 400 | |
9/32 | .2813 | .0234 | 42.67 | 2,849 | 2.400 | .2000 | 5.000 | 333 | ||
19/64 | .2969 | .0247 | 40.42 | 2,695 | 3 | 3.000 | .2500 | 4.000 | 266 | |
.3000 | .0250 | 40.00 | 2,667 | 3.600 | .3000 | 3.333 | 222 | |||
5/16 | .3125 | .0260 | 38.40 | 2,564 | 4 | 4.000 | .3333 | 3.000 | 200 | |
21/64 | .3281 | .0273 | 36.57 | 2,438 | 4.800 | .4000 | 2.500 | 166 | ||
11/32 | .3438 | .0286 | 34.94 | 2,331 | 5 | 5.000 | .4167 | 2.400 | 160 | |
.3600 | .0300 | 33.33 | 2,222 | 6 | 6.000 | .5000 | 2.000 | 133 | ||
3/8 | .3750 | .0313 | 32.00 | 2,137 | 7 | 7.000 | .5833 | 1.714 | 115 | |
.4000 | 0.333 | 30.00 | 2,000 | 7.200 | .6000 | 1.667 | 111 | |||
13/32 | .4063 | .0339 | 29.54 | 1,967 | 8 | 8.000 | .6667 | 1.500 | 100 | |
.4200 | .0350 | 28.57 | 1,905 | 8.400 | .7000 | 1.428 | 95 | |||
7/16 | .4375 | .0364 | 27.43 | 1,831 | 9 | 9.000 | .7500 | 1.333 | 89 | |
15/32 | .4688 | .0391 | 25.60 | 1,704 | 9.600 | .8000 | 1.250 | 83 | ||
.4800 | .0400 | 25.00 | 1,666 | 10 | 10.00 | .8333 | 1.200 | 80 | ||
1/2 | .5000 | .0417 | 24.00 | 1,603 | 10.80 | .9000 | 1.111 | 74 | ||
17/32 | .5313 | .0443 | 22.59 | 1,505 | 11 | 11.00 | .9167 | 1.091 | 73 | |
.5400 | .0450 | 22.22 | 1,481 | 11.50 | .9583 | 1.044 | 70 | |||
9/16 | .5625 | .0469 | 21.33 | 1,421 | 12 | 12.00 | 1.000 | 1.000 | 67 | |
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SUPPLEMENTS
Cul-de-sac, Local, Subcollector & Collector Streets: | 5" of Asphalt Concrete on 9" of Aggregate Base or 9 ½" of Asphalt Concrete |
Commercial, Industrial & Arterial Streets: | 6" of Asphalt Concrete on 12" of Aggregate Base or 11" of Asphalt Concrete |
Local Street | Collector Street | Arterial Street |
7 inches | 7 inches | 7 inches |
SCHEDULE A | |||
SIZE ACRE | MINIMUM WIDTH FEET | MAXIMUM DEPTH FEET | WIDTH TO DEPTH RATIO |
0.5 | 90 | 270 | 1:3 |
1.0 | 120 | 360 | 1:3 |
1.5 | 150 | 450 | 1:3 |
2.0 | 170 | 510 | 1:3 |
3.0 | 200 | 650 | 1:3.2 |
4.0 | 200 | 871 | 1:4.3 |
5.0 | 200 | 1,088 | 1:5.5 |
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Improvement | Installation | Guarantee |
A.______________________ | ____________________ | ___________________ |
B.______________________ | ____________________ | ___________________ |
C.______________________ | ____________________ | ___________________ |
D.______________________ | ____________________ | ___________________ |
E.______________________ | ____________________ | ___________________ |
Item (Exhibit) | No. |
a.___________________________________ | _______________________ |
b.___________________________________ | _______________________ |
c.___________________________________ | _______________________ |
_______________________________ Signature Applicant | ________________________________ Signature Surveyor or Engineer |
For Official Use Only Date received: ______________________ Date of Meeting of Planning Commission:______________________________ Action by Planning Commission:________________________________________ ____________________________________________________________________ If plat rejected, reason(s) for rejection: __________________________________ _____________________________________________________________________ Date: __________________ _________________________________________ Signature, Chm. Planning Commission |
CITY OF DELPHOS, OHIO Date: ____________________Application No._________________________ 1. Name of Applicant:__________________________________________ Address:____________________________________________________ Phone:______________________________________________________ 2. Name of Surveyor or Engineer_________________________________ Address:____________________________________________________ Phone:______________________________________________________ 3. Name of Subdivision__________________________________________ 4. Date Overall Development Plan Approved:______________________ a. Date of Construction Plan Approved:_________________ 5. Was a zoning change requested? Yes_____No______ If yes, the plat may not be approved until it conforms with the local zoning. Include a certification of zoning compliance if a change was requested. 6. Have all required improvements been installed?Yes____No____ a.Have maintenance/performance bonds been posted? Yes ___ No.____ b.If no, include detailed estimates of cost and a statement relative to the method of improvement guarantee. All estimates must be approved by the responsible (city) official. 7. Do you propose deed restrictions? Yes____ No_____ 8. List other materials submitted with this application |
Item (Exhibit) | No. |
A.___________________________________ | _______________________ |
B.___________________________________ | _______________________ |
C.___________________________________ | _______________________ |
D.___________________________________ | _______________________ |
For Official Use Date Received: ____________________________ Date of Meeting of Planning Commission:__________________________________ Plat Fee $_________________ Inspection Fee $__________________ Action by Planning Commission_____________________________________________ _________________________________________________________________________ If plat rejected, reason(s) for rejection: ______________________________________ _________________________________________________________________________ Date: ____________________ _______________________________________ Signature of Chm, Planning Commission |
1. Two-Four Lot Division (Minor Subdivision) |
Fees for minor subdivision submittal shall be as follows: |
a. One Lot Division $10 |
b. Two Lot Division $20 |
c. Three Lot Division $30 |
d. Four Lot Division $40 |
2. Preliminary Plan |
A fee of $100.00 will be required for the submittal of the Preliminary Plan |
3. Final Plat |
The schedule of fees for Final Plat submittal shall be as follows: |
No. or Lots |
3 to 10 $ 50.00 |
11 to 20 $ 75.00 |
21 to 30 $100.00 |
31 and over $100.00 plus $1.00 per lot* |
*For example, the fee for 31 lots is $131.00 |
4. Other fees and charges shall be in accordance with the orders and directions of the appropriate public body. |
RAINFALL DURATION | RAIN- FALL INTENSITY | RAINFALL DURATION | RAIN- FALL INTENSITY |
(Minutes) | (In./Hr.) | (Minutes) | (In./Hr.) |
6.0 | to | 6.1 | 6.4 | 21.7 | to | 22.7 | 3.8 |
6.2 | to | 6.4 | 6.3 | 22.8 | to | 23.8 | 3.7 |
6.5 | to | 6.7 | 6.2 | 23.9 | to | 25.0 | 3.6 |
6.8 | to | 7.0 | 6.1 | 25.1 | to | 26.3 | 3.5 |
7.1 | to | 7.3 | 6.0 | 26.4 | to | 27.7 | 3.4 |
7.4 | to | 7.7 | 5.9 | 27.8 | to | 29.2 | 3.3 |
7.8 | to | 8.1 | 5.8 | 29.3 | to | 30.9 | 3.2 |
8.2 | to | 8.6 | 5.7 | 31. | to | 32.7 | 3.1 |
8.7 | to | 9.1 | 5.6 | 32.8 | to | 34.7 | 3.0 |
9.2 | to | 9.6 | 5.5 | 34.8 | to | 36.9 | 2.9 |
9.7 | to | 10.1 | 5.4 | 37.0 | to | 39.2 | 2.8 |
10.2 | to | 10.6 | 5.3 | 39.3 | to | 41.7 | 2.7 |
10.7 | to | 11.2 | 5.2 | 41.8 | to | 44.3 | 2.6 |
11.3 | to | 11.8 | 5.1 | 44.4 | to | 47.1 | 2.5 |
11.9 | to | 12.4 | 5.0 | 47.2 | to | 50.1 | 2.4 |
12.5 | to | 13.1 | 4.9 | 50.2 | to | 53.5 | 2.3 |
13.2 | to | 13.8 | 4.8 | 53.6 | to | 57.2 | 2.2 |
13.9 | to | 14.5 | 4.7 | 57.3 | to | 61.4 | 2.1 |
14.6 | to | 15.3 | 4.6 | 61.5 | to | 66.1 | 2.0 |
15.4 | to | 16.1 | 4.5 | 66.2 | to | 71.7 | 1.9 |
16.2 | to | 16.9 | 4.4 | 71.8 | to | 78.3 | 1.8 |
17.0 | to | 17.8 | 4.3 | 78.4 | to | 86.0 | 1.7 |
17.9 | to | 18.7 | 4.2 | 86.1 | to | 95.9 | 1.6 |
18.8 | to | 19.6 | 4.1 | 96.0 | to | 104.1 | 1.5 |
19.7 | to | 20.6 | 4.0 | 104.2 | to | 110.7 | 1.4 |
20.7 | to | 21.6 | 3.9 | 110.8 | to | 121.2 | 1.3 |
Frequency | Frequency | Frequency | ||||||||
Drainage Area Acres | 20-year | 50-year | Drainage Area (sq.mi.) | 20-year | 50- year | Drainage Area (sq. mi.) | 20-year | 50-year | ||
0.01 | 2.85 | 3.56 | 10 | 2.17 | 2.63 | |||||
.02 | 2.80 | 3.50 | 20 | 2.12 | 2.54 | |||||
.03 | 2.75 | 3.41 | 30 | 2.08 | 2.50 | |||||
.04 | 2.72 | 3.40 | 40 | 2.06 | 2.47 | |||||
.05 | 2.70 | 3.35 | 50 | 2.04 | 2.45 | |||||
6 | 2.86 | 3.58 | .06 | 2.65 | 3.26 | 60 | 2.04 | 2.45 | ||
7 | 2.85 | 3.56 | .07 | 2.63 | 3.24 | 70 | 2.03 | 2.44 | ||
8 | 2.84 | 3.55 | .08 | 2.62 | 3.22 | 80 | 2.02 | 2.42 | ||
9 | 2.83 | 3.54 | .09 | 2.60 | 3.20 | 90 | 2.00 | 2.40 | ||
10 | 2.82 | 3.50 | .10 | 2.58 | 3.17 | 100 | 1.98 | 2.38 | ||
20 | 2.75 | 3.41 | .2 | 2.52 | 3.12 | 200 | 1.94 | 2.29 | ||
30 | 2.70 | 3.35 | .3 | 2.49 | 3.06 | 300 | 1.92 | 2.27 | ||
40 | 2.64 | 3.25 | .4 | 2.45 | 3.01 | 400 | 1.89 | 2.23 | ||
50 | 2.60 | 3.20 | .5 | 2.43 | 2.99 | 500 | 1.87 | 2.21 | ||
60 | 2.59 | 3.19 | .6 | 2.42 | 2.98 | 600 | 1.86 | 2.19 | ||
70 | 2.58 | 3.17 | .7 | 2.41 | 2.96 | 700 | 1.84 | 2.15 | ||
80 | 2.57 | 3.16 | .8 | 2.40 | 2.95 | 800 | 1.83 | 2.14 | ||
90 | 2.56 | 3.15 | .9 | 2.38 | 2.90 | 900 | 1.82 | 2.13 | ||
100 | 2.55 | 3.14 | 1.0 | 2.37 | 2.89 | 1000 | 1.82 | 2.13 | ||
200 | 2.49 | 3.06 | 2. | 2.30 | 2.80 | 2000 | 1.78 | 2.08 | ||
300 | 2.45 | 3.01 | 3. | 2.26 | 2.73 | 3000 | 1.75 | 2.03 | ||
400 | 2.42 | 2.98 | 4. | 2.24 | 2.71 | 4000 | 1.73 | 2.01 | ||
500 | 2.40 | 2.95 | 5. | 2.23 | 2.70 | 5000 | 1.72 | 2.00 | ||
600 | 2.38 | 2.90 | 6. | 2.22 | 2.69 | 6000 | 1.70 | 1.97 | ||
700 | 2.37 | 2.89 | 7. | 2.20 | 2.66 | 7000 | 1.69 | 1.96 | ||
Frequency | Frequency | Frequency | ||||||||
Drainage Area Acres | 20-year | 50-year | Drainage Area (sq.mi.) | 20-year | 50- year | Drainage Area (sq. mi.) | 20-year | 50-year | ||
800 | 2.35 | 2.87 | 8. | 2.19 | 2.65 | 8000 | 1.68 | 1.95 | ||
900 | 2.34 | 2.85 | 9. | 2.18 | 2.64 | |||||
1000 | 2.33 | 2.84 | 10. | 2.17 | 2.63 | |||||
2000 | 2.28 | 2.78 | ||||||||
3000 | 2.24 | 2.71 | ||||||||
4000 | 2.21 | 2.67 | ||||||||
5000 | 2.19 | 2.65 | ||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
Manhole Station | Drainage Area | Time | Rainfall Intensity i | Runoff Coef. C | CA | CA | Design 0 | Pipe Length | Pipe Slope | Pipe Size | Velocity of flow | Just Full Capacity | ||
A | A | t | t | |||||||||||
Acres | Acres | Min. | Min. | in./hr. | Acres | Acres | cfs | ft. | ft/ft | in. | fps | cfs | ||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
Manhole Station | Drainage Area | Time | Rainfall Intensity i | Runoff Coef. C | Δ CA | Σ CA | Design 0 | Pipe Length | Pipe Slope | Pipe Size | Velocity of flow | Just Full Capacity | ||
ΔA | Σ A | Δ t | Σ t | |||||||||||
Acres | Acres | Min. | Min. | in./hr. | Acres | Acres | cfs | ft. | ft/ft | in. | fps | cfs | ||
2+40 | 1.2 | 1.2 | 13.0 | 4.9 | 0.45 | 0.54 | 0.54 | 2.7 | ||||||
1.3 | 300' | 0.006 | 15" | 3.8 | 4.4 | |||||||||
5+40 | 2.3 | 3.5 | 14.3 | 4.7 | 0.70 | 1.61 | 2.15 | 10.1 | ||||||
1.0 | 300' | 0.006 | 21" | 5/0 | 11/1 | |||||||||
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in./ft. | in./ft. | ft./ft. | z | z/0.015 | in./ft. | in./ft. | ft./ft. | z | z/0.015 | |
1/64 | .0120 | .0010 | 1000.0 | 66,666 | 19/32 | .5938 | .0495 | 20.21 | 1,347 | |
.0156 | .0013 | 769.2 | 51,282 | .6000 | .0500 | 20.00 | 1,333 | |||
.0246 | .0020 | 500.0 | 33,333 | 5/8 | .6250 | .0521 | 19.20 | 1,282 | ||
1/32 | .0313 | .0026 | 384.0 | 25,640 | 21/32 | .6563 | .0547 | 18.29 | 1,219 | |
.0360 | .0030 | 333.3 | 22,220 | .6600 | .0550 | 18.18 | 1,212 | |||
.0480 | .0040 | 250.0 | 16,666 | 11/16 | .6875 | .0573 | 17.47 | 1,163 | ||
.0600 | .0050 | 200.0 | 13,333 | .7000 | .0583 | 17.15 | 1,143 | |||
1/16 | .0625 | .0052 | 192.0 | 12,820 | 23/32 | .7188 | .0599 | 16.70 | 1,112 | |
.0720 | .0060 | 166.7 | 11,113 | .7200 | .0600 | 16.67 | 1,111 | |||
.0840 | .0070 | 142.9 | 9,526 | 3/4 | .7500 | .0625 | 16.00 | 1,066 | ||
3/32 | .0938 | .0078 | 128.0 | 8,546 | .7800 | .0650 | 15.38 | 1,025 | ||
.0960 | .0080 | 125.0 | 8,333 | 25/32 | .7813 | .0651 | 15.36 | 1,024 | ||
.1000 | .0083 | 120.5 | 8,033 | .8000 | .0666 | 15.00 | 1,000 | |||
.1080 | .0090 | 111.1 | 7,406 | 13/16 | .8125 | .0677 | 14.77 | 985 | ||
.1200 | .0100 | 100.0 | 6,666 | .8400 | .0700 | 14.28 | 952 | |||
1/8 | .1250 | .0104 | 96.00 | 6,410 | 27/32 | .8438 | .0703 | 14.22 | 948 | |
.1320 | .0110 | 90.90 | 6,060 | .8500 | .0708 | 14.12 | 941 | |||
.1440 | .0120 | 83.33 | 5,555 | 7/8 | .8750 | .0729 | 13.71 | 914 | ||
5/32 | .1563 | .0130 | 76.80 | 5,128 | .9000 | .0750 | 13.33 | 889 | ||
.1680 | .0140 | 71.43 | 4,762 | 29/32 | .9063 | .0755 | 13.24 | 882 | ||
.1800 | .0150 | 66.67 | 4,445 | 15/16 | .9375 | .0781 | 12.80 | 853 | ||
3/16 | .1875 | .0156 | 64.00 | 4,273 | .9500 | .0792 | 12.63 | 842 | ||
.1920 | .0160 | 62.50 | 4,167 | .9600 | .0800 | 12.50 | 833 | |||
.2000 | .0167 | 59.88 | 3,992 | 31/32 | .9688 | .0807 | 12.39 | 826 | ||
.2040 | .0170 | 58.82 | 3,921 | 1 | 1.000 | .0833 | 12.00 | 800 | ||
.2160 | .0180 | 55.56 | 3,704 | 1.020 | .0850 | 11.76 | 784 | |||
7/32 | .2188 | .0182 | 54.86 | 3,663 | 1.080 | .0900 | 11.11 | 741 | ||
.2280 | .0190 | 52.63 | 3,509 | 1.140 | .0950 | 10.52 | 701 | |||
.2400 | .0200 | 50.00 | 3,333 | 1.200 | .1000 | 10.00 | 666 | |||
1/4 | .2500 | .0208 | 48.00 | 3,205 | 2 | 2.000 | .1667 | 6.000 | 400 | |
9/32 | .2813 | .0234 | 42.67 | 2,849 | 2.400 | .2000 | 5.000 | 333 | ||
19/64 | .2969 | .0247 | 40.42 | 2,695 | 3 | 3.000 | .2500 | 4.000 | 266 | |
.3000 | .0250 | 40.00 | 2,667 | 3.600 | .3000 | 3.333 | 222 | |||
5/16 | .3125 | .0260 | 38.40 | 2,564 | 4 | 4.000 | .3333 | 3.000 | 200 | |
21/64 | .3281 | .0273 | 36.57 | 2,438 | 4.800 | .4000 | 2.500 | 166 | ||
11/32 | .3438 | .0286 | 34.94 | 2,331 | 5 | 5.000 | .4167 | 2.400 | 160 | |
.3600 | .0300 | 33.33 | 2,222 | 6 | 6.000 | .5000 | 2.000 | 133 | ||
3/8 | .3750 | .0313 | 32.00 | 2,137 | 7 | 7.000 | .5833 | 1.714 | 115 | |
.4000 | 0.333 | 30.00 | 2,000 | 7.200 | .6000 | 1.667 | 111 | |||
13/32 | .4063 | .0339 | 29.54 | 1,967 | 8 | 8.000 | .6667 | 1.500 | 100 | |
.4200 | .0350 | 28.57 | 1,905 | 8.400 | .7000 | 1.428 | 95 | |||
7/16 | .4375 | .0364 | 27.43 | 1,831 | 9 | 9.000 | .7500 | 1.333 | 89 | |
15/32 | .4688 | .0391 | 25.60 | 1,704 | 9.600 | .8000 | 1.250 | 83 | ||
.4800 | .0400 | 25.00 | 1,666 | 10 | 10.00 | .8333 | 1.200 | 80 | ||
1/2 | .5000 | .0417 | 24.00 | 1,603 | 10.80 | .9000 | 1.111 | 74 | ||
17/32 | .5313 | .0443 | 22.59 | 1,505 | 11 | 11.00 | .9167 | 1.091 | 73 | |
.5400 | .0450 | 22.22 | 1,481 | 11.50 | .9583 | 1.044 | 70 | |||
9/16 | .5625 | .0469 | 21.33 | 1,421 | 12 | 12.00 | 1.000 | 1.000 | 67 | |
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