Stormwater Manual - Pima County Flood Control District

More documents

Recommendations

Info

TABLE OF CONTENTS 2.1 Land Disturbance Permit ............................................................................................ 1 2.1.1 Purpose ................................................................................................................ 1 2.1.2 Procedure ............................................................................................................ 1 2.2 Kentucky Division of Water Floodplain Construction Permits ................................. 2 2.2.1 Purpose ................................................................................................................ 2 2.2.2 Procedure ............................................................................................................ 2 2.2.3 Determination of Need for Permit....................................................................... 2 2.2.4 Fills ...................................................................................................................... 4 2.3 Kentucky Division of Water KPDES Stormwater Permit .......................................... 5 2.3.1 Purpose ................................................................................................................ 5 2.3.2 Procedure ............................................................................................................ 5 2.4 Federal Emergency Management Agency (FEMA)................................................... 6 2.4.1 Purpose ................................................................................................................ 6 2.4.2 Procedure ............................................................................................................ 6 2.4.3 Estimating Base Flood Elevations ...................................................................... 6 2.5 401 and 404 Permits – Kentucky Division of Water and U.S. Army Corps of Engineers ................................................................................................................... 7 2.5.1 Purpose ................................................................................................................ 7 2.5.2 Procedure ............................................................................................................ 7 STORMWATER MANUAL 2-i August 29, 2011 LEXINGTON-FAYETTE CO., KY.
2.1 Land Disturbance Permit 2.1.1 Purpose A Land Disturbance Permit shall be obtained from the Division of Engineering in accordance with Chapter 16, Article X, Division 5 of the LFUCG Code of Ordinances. Checklists and other information can be found on the LFUCG stormwater webpage. 2.1.2 Procedure See Chapter 11. STORMWATER MANUAL 2-1 August 29, 2011 LEXINGTON-FAYETTE CO., KY.
Page 1 and 2: Stormwater Manual Lexington-Fayette
Page 3 and 4: 1.1 Introduction Chapter 1 gives th
Page 5 and 6: 1.3 Definitions 1.3.1 Public Draina
Page 7 and 8: • the Division of Engineering det
Page 9 and 10: • Masterson Station Watershed hyd
Page 11 and 12: • only one corporation or busines
Page 13 and 14: 1.5 Water Quantity Criteria for New
Page 15 and 16: TABLE 1- 1 OPTIONS FOR STORMWATER M
Page 17 and 18: TABLE 1- 2 FLOW CRITERIA FOR STORMW
Page 19 and 20: contained in Chapter 10. The water
Page 21 and 22: 1.7.4 Water Quality Criteria for Re
Page 23 and 24: • new development commercial site
Page 27: CHAPTER 2 PERMITS
Page 31 and 32: If the analysis described in the de
Page 33 and 34: 2.3 Kentucky Division of Water KPDE
Page 35 and 36: 2.5 401 and 404 Permits - Kentucky
Page 37 and 38: 3.1 Introduction Watershed studies
Page 39 and 40: • detailed description of any nat
Page 41 and 42: 3.3 Runoff Models 3.3.1 General The
Page 43 and 44: 3.4 Post-Development Floodplain Ana
Page 45 and 46: APPENDIX 3-A - SOURCES OF DATA
Page 47 and 48: National Oceanography and Atmospher
Page 49 and 50: Pond/Culvert Inventory Data Sheet P
Page 51 and 52: 4.1 Overview 4.1.1 Introduction An
Page 53 and 54: 4.3 Improvement Plans 4.3.1 50 Perc
Page 55 and 56: • culvert outlet appurtenances an
Page 57 and 58: 4.4 Record Drawings A record drawin
Page 59 and 60: 5.1 Introduction 5.1.1 Purpose The
Page 61 and 62: 5.3 Design Rainfall Event 5.3.1 Sin
Page 63 and 64: TABLE 5- 2 GREEN-AMPT INFILTRATION
Page 65 and 66: 5.5 Stormwater Management Model (SW
Page 67 and 68: TABLE 5- 4 MANNINGS N FOR OVERLAND
Page 69 and 70: APPENDIX 5 A DESIGN STORM DISTRIBUT
Page 71 and 72: 6-HOUR RAINFALL DISTRIBUTIONS Cumul
Page 73 and 74: 100-YEAR - 24-HOUR RAINFALL DISTRIB
Page 75 and 76: CHAPTER 6 INLETS / STORM SEWERS / M
Page 77 and 78: 6.1.4 Storm Sewers Storm sewers sha
Page 79 and 80:
For d ≥ 1.0’, use the orifice f
Page 81 and 82:
6.4 Construction Specifications All
Page 83 and 84:
7.1 Introduction As used in this ma
Page 85 and 86:
7.2.6 Culvert Skew A culvert shall
Page 87 and 88:
Barrel Area and Shape Barrel area i
Page 89 and 90:
7.5 Bridge Design Procedures Use HE
Page 91 and 92:
CHAPTER 8 CONSTRUCTED CHANNELS
Page 93 and 94:
8.2 Permanent Constructed Channels
Page 95 and 96:
The earth fill materials used to co
Page 97:
8.3 Paved Channels A paved channel
Page 100 and 101:
9.1 Introduction The streams of Fay
Page 102 and 103:
9.2.3 Material Specifications Veget
Page 104 and 105:
TABLE 9- 1 SUGGESTED RIPARIAN SPECI
Page 106 and 107:
9.3 Riparian Buffer Zones 9.3.1 Gen
Page 108 and 109:
9.4 Bioengineering Techniques Bioen
Page 110 and 111:
9.4.3 Root Wad Revetment Root wad r
Page 112 and 113:
Dead stout stakes shall be installe
Page 114 and 115:
Willow tree species are the best fo
Page 116:
9.5.3 Maintenance All structures sh
Page 129 and 130:
10.1 Introduction Non-point source
Page 131 and 132:
TABLE 10- 1 WATER QUALITY DEPTH VER
Page 133 and 134:
Grade the top of the planting soil
Page 135 and 136:
10.4 Infiltration Systems Infiltrat
Page 137 and 138:
Design Criteria To be considered a
Page 139 and 140:
If desired, large infiltration basi
Page 141 and 142:
When the contributing area draining
Page 143 and 144:
Provide sufficient access to the de
Page 145 and 146:
Select underdrain gravel to meet AA
Page 147 and 148:
Compute the total surface area of b
Page 149 and 150:
10.6 Prefabricated Treatment Device
Page 151 and 152:
landscaping plan for the pond and t
Page 153 and 154:
When necessary, compact subgrade su
Page 155 and 156:
After the embankment has been built
Page 157 and 158:
Embankment heights shall not exceed
Page 159 and 160:
10.9 Wet Ponds In this manual, wet
Page 161 and 162:
Q = A (2gH) 0.5 /(1 + K e +K b + K
Page 163 and 164:
Provide a drain with a valve at the
Page 180 and 181:
CHAPTER 11 EROSION AND SEDIMENT CON
Page 182 and 183:
11.1 Purpose This chapter describes
Page 184 and 185:
1. The limitations on coverage set
Page 186 and 187:
11.2.2 Non-Structural Practices Thi
Page 188 and 189:
Figure 11-1. “Seed mats” may be
Page 190 and 191:
peak discharges during construction
Page 192 and 193:
Locations of proposed controls, uti
Page 194 and 195:
11.4 Structural Soil Stabilization
Page 196 and 197:
When using a mulch net, it shall be
Page 198 and 199:
Material Specifications Seed shall
Page 200 and 201:
Material Specifications Soil materi
Page 202 and 203:
11.4.5 Road/Parking Stabilization R
Page 204 and 205:
To reduce maintenance and loss of a
Page 206 and 207:
Effective netting and matting requi
Page 208 and 209:
Maintenance Outlets shall be inspec
Page 210 and 211:
Temporary or permanent seeding and
Page 212 and 213:
A standard flared end section or a
Page 214 and 215:
11.5 Structural Sediment Control BM
Page 216 and 217:
The amount of sediment entering a t
Page 218 and 219:
Detention storage shall be provided
Page 220 and 221:
The emergency spillway shall have a
Page 222 and 223:
PHYSICAL PROPERTY Filtering Efficie
Page 224 and 225:
Fasten fabric securely to the stake
Page 226 and 227:
SEEDING MIXTURE AND SITE SUITABILIT
Page 228 and 229:
Upon removal of the structure, the
Page 230 and 231:
11.5.10 Concrete Washout Pits Concr
Page 232:
Inspection of Sediment Controls The
Page 261 and 262:
12.1 Introduction As Fayette County
Page 263 and 264:
12.2 Dry Detention Pond 12.2.1 Desc
Page 265 and 266:
12.3 Dry Extended Detention Pond 12
Page 267 and 268:
12.4 Wet Detention Pond 12.4.1 Desc
Page 269 and 270:
12.5 Constructed Wetlands 12.5.1 De
Page 271 and 272:
12.6 Biofiltration Practices 12.6.1
Page 273 and 274:
12.7 Infiltration Practices 12.7.1
Page 275 and 276:
12.8 Modular Pavement 12.8.1 Descri
Page 277 and 278:
12.10 Prefabricated Treatment Devic
Page 279 and 280:
1Lexington-Fayette Urban County Gov
Page 281 and 282:
2Infiltration Basin Maintenance Ins
Page 283 and 284:
3Infiltration Swale Maintenance Ins
Page 285 and 286:
Action to be taken: If any of the a
Page 287 and 288:
6Filtration Facility Maintenance In
Page 289 and 290:
Summary of Changes to the LFUCG Sto
Page 291:
11.5.5 Storm Drain Inlet Protection
show all

Stormwater Manual - Pima County Flood Control District

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

Delete template?

Save as template?