Drainage Design Manual - the City of San Luis Obispo

More documents

Recommendations

Info

SECTION 8.0 DESIGN OF DRAINAGE PUMPS............................................ 98SECTION 9.0 STORMWATER MANAGEMENT FACILITIES ..................... 999.0 General......................................................................................................... 999.1 Types of Stormwater Management Facilities .............................................. 999.1.1 Detention Basin.................................................................................... 1009.1.2 Retention Basins .................................................................................. 1009.1.3 Special Facilities .................................................................................. 1009.1.4 Regional Facilities vs. On-Site Detention............................................ 1019.1.5 Location ............................................................................................... 1019.2 Hydrologic and Hydraulic Analysis for Design......................................... 1029.2.1 Provisions For Sedimentation.............................................................. 1039.3 Geotechnical Requirements ....................................................................... 1039.4 Basin Size................................................................................................... 1039.4.1 Inflow................................................................................................... 1039.4.2 Allowable Outflow............................................................................... 1049.4.3 Freeboard Requirements ...................................................................... 1049.4.4 Basin Dewater Provisions.................................................................... 1049.4.5 Secondary Uses.................................................................................... 1049.5 Basin Design .............................................................................................. 1059.6 Spill Way Design ....................................................................................... 1069.7 Outlet Work Design Requirements............................................................ 1069.7.1 Outlet Types......................................................................................... 1069.7.2 Outlet Standards................................................................................... 1069.7.3 Trash Racks.......................................................................................... 1089.7.4 Outlet Safety ........................................................................................ 1089.8 Maintenance Requirements........................................................................ 1089.8.1 Access .................................................................................................. 1089.9 Fencing....................................................................................................... 1089.10 Landscaping ............................................................................................... 1099.11 Joint Use..................................................................................................... 1099.12 Submittal Requirements............................................................................. 109SECTION 10.0 EROSION CONTROL AND STORMWATER QUALITYMANAGEMENT................................................................................................ 11110.1 General....................................................................................................... 11110.1.1 Authorized Personnel........................................................................... 11110.1.2 Slope Determination ............................................................................ 11210.2 Erosion Control and Stormwater Management Manuals........................... 11210.3 Standard Erosion and Sediment Control Measures ................................... 11210.3.1 Gravel Construction Entrance.............................................................. 11310.3.2 Catch Basin Protection......................................................................... 11310.3.3 Sediment Filters/Barriers ..................................................................... 11310.3.4 Plastic Sheeting.................................................................................... 11410.3.5 Existing Vegetation and Revegetation................................................. 11410.3.6 Wet Weather Measures........................................................................ 11410.3.7 Seeding................................................................................................. 114SLO Creek Drainage Design Manual February 2003
10.3.8 Protection Measure Removal............................................................... 11510.3.9 Submittal Requirements....................................................................... 11510.3.10 Review and Field Checks..................................................................... 11610.4 Detailed Erosion Control Plan Guidelines................................................. 11610.4.1 Narrative .............................................................................................. 11610.4.2 Site Plan ............................................................................................... 11710.4.3 General Erosion and Sediment Control Notes to be Included on Site Plan.............................................................................................................. 11810.5 Procedures for Review and Inspection of Detailed Erosion Control Plans11910.5.1 Maintenance......................................................................................... 11910.5.2 Inspection............................................................................................. 120SECTION 11.0 REVEGETATION PLANNING AND IMPLEMENTATION ....13511.1 General....................................................................................................... 13511.2 Design Approach ....................................................................................... 13511.2.1 Establishing Realistic Revegetation Goals .......................................... 13511.2.2 Landscaping vs. Restoration ................................................................ 13611.3 Design Concepts ........................................................................................ 13611.3.1 Channel Considerations ....................................................................... 13611.4 Planting Site Considerations...................................................................... 13811.4.1 Soils...................................................................................................... 13811.4.2 Irrigation Needs ................................................................................... 13911.4.3 Protection and Enhancement of Streamside Vegetation...................... 14011.4.4 Access and Security Issues .................................................................. 14011.5 Planting Design Considerations................................................................. 14011.5.1 Choosing Reference Sites .................................................................... 14011.5.2 Species Composition and Habitat Structure ........................................ 14111.5.3 Plant Spacing ....................................................................................... 14311.5.4 Aesthetic Considerations ..................................................................... 14311.5.5 Planting Stock ...................................................................................... 14311.5.6 Plant Selection Criteria ........................................................................ 14511.5.7 Channel Design Types & Suitable Planting Zones.............................. 14511.5.8 Special Plant Characteristics................................................................ 14611.5.9 Ecological Considerations ................................................................... 14711.5.10 Maintenance Considerations................................................................ 14711.5.11 Summary of Procedure for Developing a Plant List............................ 14711.6 Revegetation Implementation .................................................................... 14811.6.1 Contractor Qualifications..................................................................... 14811.6.2 Planning and Coordination .................................................................. 14811.6.3 Environmental Protection .................................................................... 14911.7 Project Planning and Scheduling ............................................................... 15011.7.1 Planting Site Preparation...................................................................... 15011.8 Planting Layout.......................................................................................... 15211.9 Planting Woody Revegetation Plant Materials.......................................... 15311.9.1 Planting Container Plants..................................................................... 15311.10 Wetland Plants ........................................................................................ 15511.11 Seeding Grasses ...................................................................................... 155SLO Creek Drainage Design Manual February 2003
Page 2 and 3: San Luis Obispo CreekWaterway Manag
Page 4 and 5: SECTION 4.0 HYDROLOGIC & HYDRAULIC
Page 8 and 9: 11.12 Erosion Control Seeding......
Page 10 and 11: DRAINAGE DESIGN MANUALFOR THECITY O
Page 12 and 13: ôó1Ragged PointSan SimeonCambriaM
Page 14 and 15: SECTION 2.0PROJECTS REQUIRING HYDRO
Page 16 and 17: 3. or, is an individual development
Page 18 and 19: • Geomorphic, Geotechnical and St
Page 20 and 21: SECTION 3.0CORE REQUIREMENTS AND RE
Page 22 and 23: elevations, and existing channel st
Page 24 and 25: 1000 0 1000 Meters1 0 1 MilesCity L
Page 26: N300 0 300 MetersLEGEND100-Year Flo
Page 29 and 30: N300 0 300 MetersLEGEND100-Year Flo
Page 31 and 32: N300 0 300 MetersLEGEND100-Year Flo
Page 33 and 34: • All streets to be dedicated to
Page 35 and 36: • A minimum setback of 15 m (50 f
Page 37 and 38: 3.6.4 Preference for Vegetative and
Page 39 and 40: compliance with the measures prescr
Page 41 and 42: 4.1 Hydrologic Analysis4.1.1 Genera
Page 43 and 44: Table 4-1Runoff CoefficientsHydrolo
Page 45 and 46: Overland Flow TimeSLO Creek Phase I
Page 47 and 48: Channel or Pipe Flow occurs where f
Page 49 and 50: 45745766071176260955855860971166050
Page 51 and 52: Table 4-3Rainfall - Intensity Data
Page 53 and 54: 4.1.4 Example ProblemA sample basin
Page 55 and 56: Table 4-7Example Composite Runoff C
Page 57 and 58:
Table 4-9Example Rational Method Ru
Page 59 and 60:
developed. For minor waterways and
Page 61 and 62:
SECTION 5.0OPEN CHANNEL ANALYSIS AN
Page 63 and 64:
case, a Natural Channel may be modi
Page 65 and 66:
5.2 Channel Design Flow Requirement
Page 67 and 68:
maintenance to maintain the design
Page 69 and 70:
The following guidelines should be
Page 71 and 72:
Channel PlanformDrainage Design Man
Page 73 and 74:
• Native vegetation shall be pres
Page 75 and 76:
Manning’s Roughness Values are pr
Page 77 and 78:
6.1 GeneralSECTION 6.0ANALYSIS & DE
Page 79 and 80:
6.3 Design ReferencesThe designer i
Page 81 and 82:
stream stabilization needs totaling
Page 83 and 84:
causes and modes of failure act tog
Page 85 and 86:
(permissive velocity) and/or bounda
Page 87 and 88:
Re-run the model after coding in th
Page 89 and 90:
Step 2 - Develop and Screen Alterna
Page 91 and 92:
Cost. The design must be cost effec
Page 93 and 94:
Step 3 - Develop Concept Plan and D
Page 95 and 96:
Legally it is up to the applicant t
Page 97 and 98:
e necessary, as well as other work
Page 99 and 100:
(0.6-0.9 m)(0.6-0.9 m)(152-203 mm)L
Page 101 and 102:
(1.2 m)(1.2 m)(12 mm to 51 mm)(1.5
Page 103 and 104:
(0.9 m)(0.6 m x 0.6 m x 914 mm)(457
Page 105 and 106:
(0.6 - 0.9 m)Vegetated GeogridDrain
Page 107 and 108:
Planted Rip RapDrainage Design Manu
Page 109 and 110:
A-JacksDrainage Design ManualCity &
Page 111 and 112:
(1.5 m)(13 to 25 mm)(0.6 to 0.9 m)R
Page 113 and 114:
(13 - 25 mm)(0.6 to 0.9 m)Planted G
Page 115 and 116:
(2.4 m)(2.4 m)Flow DeflectorsDraina
Page 117 and 118:
performance. This technique require
Page 119 and 120:
Boulder ClustersDrainage Design Man
Page 121 and 122:
of a bend, and filled around and on
Page 123 and 124:
horizontal line are SI (metric) nam
Page 125 and 126:
GRADING OF ROCK SLOPE PROTECTION PE
Page 127 and 128:
A layer of Backing No. 1 or No. 2 i
Page 129 and 130:
SECTION 7.0DESIGN OF CONDUITS, CULV
Page 131 and 132:
7.2.3 Storm Drain Location and Alig
Page 133 and 134:
In paved areas, pipe cover shall be
Page 135 and 136:
• Drop inlets shall be spaced suc
Page 137 and 138:
Marine Fisheries Service NMFS South
Page 139 and 140:
For all intermediate channels, eith
Page 141 and 142:
7.4.8 Easements for Closed Conduits
Page 143 and 144:
SECTION 9.0STORMWATER MANAGEMENT FA
Page 145 and 146:
Detention for the 10-year design st
Page 147 and 148:
9.2.1 Provisions For SedimentationT
Page 149 and 150:
9.5 Basin DesignDetention and reten
Page 151 and 152:
mm (24 in). A corrugated metal pipe
Page 153 and 154:
have side panels or other devices t
Page 155 and 156:
SECTION 10.0EROSION CONTROL AND STO
Page 157 and 158:
10.3.1 Gravel Construction Entrance
Page 159 and 160:
Notes:1. PLACE BALES PERPENDICULAR
Page 161 and 162:
• Filter fences (also known as si
Page 163 and 164:
SEED MIX ONE(Application rate = 40
Page 165 and 166:
• Description of soils, geology,
Page 167 and 168:
• The facilities shown on this pl
Page 169 and 170:
The following control measures are
Page 171 and 172:
BMP 3 Dewatering OperationsI. Defin
Page 173 and 174:
BMP 5 Illicit Connection/Illegal Di
Page 175 and 176:
D. All vehicles/equipment that regu
Page 177 and 178:
I. Properly dispose of or recycle u
Page 179 and 180:
BMP 12 Solid Waste ManagementI. Def
Page 181 and 182:
H. Temporary washout facilities sha
Page 183 and 184:
SECTION 11.0RIPARIAN REVEGETATION P
Page 185 and 186:
per second (6 feet per second). Whi
Page 187 and 188:
TABLE 11-2: WOODY SHRUBS FOR SAN LU
Page 189 and 190:
TABLE 11-4: GRASSES AND HERBSFOR SA
Page 191 and 192:
TABLE 11-5: MARSH PLANTS FOR SAN LU
Page 193 and 194:
11.4 Planting Site Considerations11
Page 195 and 196:
Where vandalism is not a problem, t
Page 197 and 198:
Table 11-6Recommended Species Compo
Page 199 and 200:
Larger Crown TreesPlant in clusters
Page 201 and 202:
plant materials (often one growing
Page 203 and 204:
Exotic Treeto be RemovedNative Tree
Page 205 and 206:
Step 4: Select plants suitable for
Page 207 and 208:
• Exotic vegetation on the site s
Page 209 and 210:
• Removal of Exotic VegetationThe
Page 211 and 212:
Placement of weed control fabric or
Page 213 and 214:
11.12 Erosion Control SeedingRevege
Page 215 and 216:
y wind or water runoff; should be e
Page 217 and 218:
Abrasion. Removal of streambank soi
Page 219 and 220:
Confluence. A junction of streams o
Page 221 and 222:
Flood. A general and temporary cond
Page 223 and 224:
Left Bank. The left-hand bank of st
Page 225 and 226:
Shear stress. The force per unit ar
Page 227 and 228:
Velocity (of water in a stream). Th
Page 229 and 230:
Association of Bay Area Governments
Page 231 and 232:
Hoover, Robert F. 1970. The Vascula
Page 233 and 234:
U.S. Army Corps of Engineers, April
show all

Drainage Design Manual - the City of San Luis Obispo

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?