| 3.13 |
3.14 |
3.15 |
3.17 |
3.18 |
3.19 |
3.20 |
3.21 |
3.24 |
3.25 |
3.26 |
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| Temporary Sediment Trap |
Temporary Sediment Basin |
Temporary Slope Drain |
Stormwater Conveyance Channel |
Outlet Protection |
Rip Rap |
Rock Check Dams |
Level Spreader |
Temporary Vehicular Stream Crossing |
Utility Stream Crossing |
Dewatering Structure |
Detention Basin |
Drainage Pipe |
Design Flow Summary * |
Drainage Area Map requirements |
| ID (ST-1, ST-2, etc) |
ID (SB-1, SB-2, etc) |
ID (TSD-1, TSD-2, etc) |
ID (SCC-1, SCC-2, etc) |
ID (OP-1, OP-2, etc) |
ID (RR-1, RR-2, etc) |
ID (CD-1, CD-2, etc) |
ID (LS-1, LD-2, etc) |
ID (SC-1, SC-2, etc) |
ID (USC-1, USC-2, etc) |
ID (DS-1, DS-2, etc) |
ID (DB-1, DB-2, etc) |
(ID P-1,P-2, etc) |
feature ID (P-1, OP-1, etc) |
drainage area ID (DA-1, DA-2, etc) |
| drainage area |
drainage area |
drainage area |
design flow * |
design flow * |
stone gradation |
stone gradation |
design flow * |
design flow * |
design flow * |
pump discharge rate |
design flow * |
design flow * |
design event frequency |
existing contours |
| dry storage volume |
dry storage volume |
pipe diameter |
bottom width |
tailwater depth |
blanket thickness |
height |
weir length |
average basin slope |
installation duration |
structure type |
design outflow rate |
design velocity |
rainfall intensity |
proposed contours |
| wet storage volume |
wet storage volume |
|
channel depth |
discharge velocity |
blanket dimensions |
|
weir flow depth |
installation duration |
natural stream width |
structure volume |
minimum water depth |
pipe diameter |
POST DEVELOPMENT |
basic features for reference |
| excavation depth |
length-to-width ratio |
|
design water depth |
rip rap gradation |
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weir lip type |
culvert slope |
crossing method |
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maximum water depth |
pipe slope |
drainage ID(s) (DA-1, DA-2+3, etc) |
drainage pipe network |
| bottom elevation |
excavation depth |
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side slopes |
apron length |
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weir elevation |
number of barrels |
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bottom elevation |
pipe material |
drainage area |
pre and post runoff factor boundaries and values |
| sediment cleanout elevation |
bottom elevation |
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channel slope |
apron width(s) |
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approach length |
barrel diameter |
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all spillway outlet elevatons |
pipe ownership |
drainage area size |
drainage boundaries to each feature |
| outlet elevation |
sediment cleanout elevation |
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flow velocity |
side slopes |
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downstream flow length |
roadway width |
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embankment elevation |
upstream structure top elev. |
composite runoff factor |
(including off-site
areas) |
| embankment elevation |
principal spillway elevation |
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lining material |
apron depth |
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downstream slope |
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upstream invert elevation |
design flow |
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| outlet spillway length
(across flow) |
emergency spillway elevation |
|
Manning's n |
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downstream structure top elev. |
PRE DEVELOPMENT |
|
| embankment top width |
design high water elevation |
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downstream invert elevation |
drainage ID |
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embankment elevation |
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design upstream water level |
drainage area size |
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riser pipe diameter |
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time of concentration |
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anti-vortex device diameter |
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composite runoff factor |
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dewatering tube diameter |
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design flow |
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embankment top width |
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embankment side slopes |
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riser base thickness |
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riser base dimensions |
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number of anti-seep collars |
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| * Each
occurance of a design flow value must also include an associated entry in the
Design Flow Summary table |
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* Each occurance of a design flow
value must also include an associated entry in the Design Flow Summary table |
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| Calculations
for each occurrence of the above listed features must be presented in tabular
format. |
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Calculations for each occurrence of
the above listed features must be presented in tabular format. |
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| Tables
should include each of the above listed parameters for each such occurrence. |
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Tables should include each of the
above listed parameters for each such occurrence. |
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Each entry in the Design Flow
Summary Table must reference the appropriate labeled drainage area on the
Drainage Area Map. |
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