- Page 1 and 2: MANUAL FOR EROSION AND SEDIMENT CON
- Page 3 and 4: PREFACE TO THE FIFTH EDITION The fo
- Page 5 and 6: FOREWORD Perhaps the most harmful d
- Page 7 and 8: TABLE OF CONTENTS GaSWCC (Amended -
- Page 9 and 10: CHAPTER 1 THE EROSION AND SEDIMENTA
- Page 11 and 12: The law could have a significant im
- Page 13 and 14: THE MANUAL This manual has been ass
- Page 15 and 16: CHAPTER 2 SEDIMENT AND EROSION CONT
- Page 17 and 18: GENERAL DESIGN PRINCIPLES For an er
- Page 19 and 20: Figure 2-13. - A temporary sediment
- Page 21 and 22: Du - DUST CONTROL ON DISTURBED AREA
- Page 23 and 24: Re - RETAINING WALL A constructed w
- Page 25 and 26: GEORGIA UNIFORM CODING SYSTEM FOR S
- Page 27 and 28: Figure 3-1. - Soils information is
- Page 29 and 30: 3-4 GaSWCC (Amended - 1995)
- Page 31: STREAMS 0 1320 Perennial AU LEGEND
- Page 35: 53 MILES TO CONCORD 0 1320 SCALE, I
- Page 38 and 39: 24-HOUR CONTACT PERSON: The telepho
- Page 40 and 41: to develop individual ordinances fr
- Page 42 and 43: ted along with a preliminary site p
- Page 46 and 47: Stream Flow Information: United Sta
- Page 48 and 49: 5-4 GEORGIA SOIL AND WATER CONSERVA
- Page 50 and 51: 5-6 GEORGIA DEPARTMENT OF NATURAL R
- Page 52 and 53: 5-8 GEORGIA FORESTRY COMMISSION WAT
- Page 54 and 55: 5-10 Dade Walker Chattooga Catoosa
- Page 56 and 57: 6-2 GaSWCC (Amended - 2000)
- Page 58 and 59: 6-4 GaSWCC (Amended - 2000)
- Page 60 and 61: 6-6 Rd Re Rt Sd1 Sd2 Sd3 Sr St Su T
- Page 62 and 63: 6-8 GaSWCC (Amended - 2000)
- Page 64 and 65: should be sized to permit passage o
- Page 66 and 67: Project Name ______________________
- Page 68 and 69: 6-14 GaSWCC (Amended - 2000)
- Page 70 and 71: 6-16 GaSWCC (Amended - 2000)
- Page 72 and 73: 6-18 GaSWCC (Amended - 2000)
- Page 74 and 75: 6-20 Nutrient Removal Figure 6-1.1
- Page 76 and 77: Legend: Tolerance to Flooding, Drou
- Page 78 and 79: 6-24 Table 6-1.2 - Native Plant Gui
- Page 80 and 81: 6-26 Table 6-1.2 - Native Plant Gui
- Page 82 and 83: 6-28 GaSWCC (Amended - 2000)
- Page 84 and 85: Plant seed one to three inches deep
- Page 86 and 87: 6-32 GaSWCC (Amended - 2000)
- Page 88 and 89: 6-34 2. If the area will eventually
- Page 90 and 91: seeder, or hydraulic seeder (slurry
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Dade 6-40 Walker Chattooga Catoosa
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Shrubs and Small Trees Bayberry, Bi
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Innoculants All legume seed shall b
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6-46 Table 6-5.1. Fertilizer Requir
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6-48 GaSWCC (Amended - 2000) Broadc
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6-50 GaSWCC (Amended - 2000) Table
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6-52 GaSWCC (Amended - 2000) Table
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6-54 Table 6-5.3. Durable Shrubs an
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6-56 Table 6-5.4. Trees for Erosion
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On slopes steeper than 3:1, sod sho
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6-60 Source: Va. DSWC INCORRECT COR
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6-62 GaSWCC (Amended - 2000)
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6-64 2. Causes soil to drop out of
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6-66 Figure 6-7.1 - Typical Install
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6-68 5. Users of anionic PAM shall
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LIVE BRANCHES DEAD STOUT STAKE LIVE
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6-72 GaSWCC (Amended - 2000)
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6-74 GaSWCC (Amended - 2000)
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6-76 GaSWCC (Amended - 2000)
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MAINTENANCE Periodic inspection and
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6-80 A B Points A should be higher
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6-82 4. Excessive erosion does not
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6-84 GaSWCC (Amended - 2000)
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6-86 Hard Surface Public Road 6" Mi
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Side Slopes All cuts and fills shal
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Depth and Grade Depth and grade may
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6-92 SILT FENCE POST POST SILT FENC
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The compacted ridge height shall be
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6-96 GaSWCC (Amended - 2000)
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6-98 3. Hand tamp the soil under an
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6-100 GaSWCC (Amended - 2000)
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6-102 GaSWCC (Amended - 2000)
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6-104 Minimum 8' - 10' 50# - 150# S
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Permeability Hydrostatic heads do n
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Protective cover shall be applied i
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6-110 Discharge capacity, Q, in cfs
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6-112 WING WALL FOOTING STRAIGHT IN
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6-114 PREFABRICATED METAL STRUCTURE
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6-116 Vegetated Diversion Stable un
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MAINTENANCE Rock dams should be rem
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6-120 GaSWCC (Amended - 2000)
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6-122 GaSWCC (Amended - 2000)
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e. Minimum size 3-4 inch stone filt
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6-126 4"x4" Post 2"x4" 0.5" - 1.0"
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Type B Silt Fence Sd1-B Though only
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6-130 NOTE: Flow Flow EMBEDDING DET
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6-132 Table 6-20.3. Post Size Minim
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6-134 18" min. 18" min. 18" min. 18
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6-136 Flow End of fabric fence Post
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6-138 GaSWCC (Amended - 2000)
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Gravel Drop Inlet Protection Sd2-G
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6-142 2" - 4" 3' - 4' 2" Weep Holes
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6-144 Pavement Flow Gutter FLOW B B
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6-146 TO BE SHOWN ON THE EROSION AN
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Shape It is recommended that the de
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CONSTRUCTION SPECIFICATIONS Site Pr
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6-152 GaSWCC (Amended - 2000)
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6-154 Examples: Plan Views - not to
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6-156 T Zu Zd = = = Vs Vc Top width
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6-158 GaSWCC (Amended - 2000) HEAD-
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Angle of stub to be shown Angle bas
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6-162 GaSWCC (Amended - 2000)
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6-164 TEMPORARY SEDIMENT BASIN DESI
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TEMPORARY SEDIMENT BASIN DESIGN SHE
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6-168 TEMPORARY SEDIMENT BASIN DESI
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TEMPORARY SEDIMENT BASIN DESIGN SHE
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6-172 Cross-Sectional Detail of Eme
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Table 6-23.1. Corrugated Metal Pipe
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6-176 Coarse Aggregate 6" 1/2 Diame
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6-178 GaSWCC (Amended - 2000)
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Alignment The apron shall be locate
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Figure 6-24.2 - Design of Outlet Pr
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6-184 Virginia Department of Highwa
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2. Grooving consists of using machi
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6-188 Each lift of the fill is comp
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Bonding - Use one of the following
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6-192 Table 6-27.1. Permissible Vel
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T = design top width D = design dep
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6-196 Table 6-27.2 - Velocity, Top
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6-198 STORMWATER CONVEYANCE CHANNEL
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1. Compute peak rate of runoff for
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6-202 GaSWCC (Amended - 2000)
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6-204 GaSWCC (Amended - 2000)
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6-206 GaSWCC (Amended - 2000) Table
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6-208 GaSWCC (Amended - 2000) Table
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6-210 GaSWCC (Amended - 2000) Table
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6-212 GaSWCC (Amended - 2000) Table
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6-214 GaSWCC (Amended - 2000) Table
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6-216 GaSWCC (Amended - 2000) Table
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6-218 GaSWCC (Amended - 2000) Table
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6-220 GaSWCC (Amended - 2000) Table
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6-222 GaSWCC (Amended - 2000) Table
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6-224 GaSWCC (Amended - 2000) Table
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6-226 GaSWCC (Amended - 2000) Table
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6-228 GaSWCC (Amended - 2000) Table
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6-230 GaSWCC (Amended - 2000) Table
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6-232 GaSWCC (Amended - 2000) Table
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6-234 GaSWCC (Amended - 2000) Table
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6-236 GaSWCC (Amended - 2000) Table
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A-1-2 GaSWCC
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Contents Page Chapter 1: Introducti
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Worksheets 2: Runoff curve number a
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Time parameters Chapter 3 describes
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Limitations To save time, the proce
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8 Curves on this sheet are for the
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Table 2-2 assumptions apply? Yes De
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Table 2-2b. - Runoff Curve Numbers
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Table 2-2d. - Runoff Curve Numbers
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Composite CN 90 90 100 90 80 70 60
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Example 2-4 This example is also ba
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Figure 2-6. - Worksheet 2 for Examp
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Figure 2-8. - Worksheet 2 for Examp
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Watercourse slope, ft/ft .50 .20 .1
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Reservoirs or lakes Sometimes it is
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A-1-32 GaSWCC
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Table 4-2. - Adjustment Factor (Fp)
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500 Ia/P = 0.10 0.20 0.25 300 0.30
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1000 800 Ia/P = 0.10 600 0.30 500 0
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A-1-40 GaSWCC
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Development of composite flood hydr
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Example 5-2 Compute the 25-year fre
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Figure 5-2. - Worksheet 5b for Exam
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Figure 5-4. - Worksheet 5b for Exam
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A-1-50 GaSWCC 5-10 (210-VI-TR-55, S
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A-1-52 GaSWCC 5-12 (210-VI-TR-55, S
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A-1-54 GaSWCC 5-14 (210-VI-TR-55, S
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A-1-56 GaSWCC 5-16 (210-VI-TR-55, S
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A-1-58 GaSWCC 5-18 (210-VI-TR-55, S
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A-1-60 GaSWCC 5-20 (210-VI-TR-55, S
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A-1-62 GaSWCC 5-22 (210-VI-TR-55, S
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A-1-64 GaSWCC 5-24 (210-VI-TR-55, S
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A-1-66 GaSWCC 5-26 (210-VI-TR-55, S
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A-1-68 GaSWCC 5-28 (210-VI-TR-55, S
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A-1-70 GaSWCC 5-30 (210-VI-TR-55, S
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A-1-72 GaSWCC 5-32 (210-VI-TR-55, S
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A-1-74 GaSWCC 5-34 (210-VI-TR-55, S
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A-1-76 GaSWCC 5-36 (210-VI-TR-55, S
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A-1-78 GaSWCC 5-38 (210-VI-TR-55, S
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A-1-80 GaSWCC 5-40 (210-VI-TR-55, S
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A-1-82 GaSWCC 5-42 (210-VI-TR-55, S
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A-1-84 GaSWCC 5-44 (210-VI-TR-55, S
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A-1-86 GaSWCC 5-46 (210-VI-TR-55, S
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A-1-88 GaSWCC 5-48 (210-VI-TR-55, S
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Vs ( ) Vr Storage volume Runoff vol
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The developed-condition peak discha
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Example 6-2: Estimating V s , two-s
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Example 6-3: Estimating q o A devel
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Example 6-4: Estimating V s , Tabul
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A-1-100 GaSWCC
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A-1-102 GaSWCC
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Rainfall Distribution Type I Type I
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125° 120° 115° 110° 105° 100°
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125° 120° 115° 110° 105° 100°
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125° 120° 115° 110° 105° 100°
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A-1-112 GaSWCC
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A-1-114 GaSWCC
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Project Location Circle one: 1. Run
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Worksheet 4: Graphical Peak Dischar
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Worksheet 5b: Tabular hydrograph di
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Elevation or stage 2. Frequency . .
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A-1-124 GaSWCC
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Table F-1 - Coefficients for the Eq
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A-2-2 PERCENT OF HYDRAULIC LENGTH M
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A-2-4 PEAK DISCHARGE, CFS/INCH OF R
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A-2-6 Table A-2.1 - Slope Adjustmen
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Example A-2.4 A 5-acre pond is loca
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35 3.2 3.3 34 33 32 31 30 DADE 3.4
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35 4.7 4.8 34 33 32 31 30 4.6 4.9 D
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6.0 35 6.2 6.4 34 33 32 31 30 6.6 D
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35 7.6 7.8 34 33 32 31 30 8.0 DADE
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1. Determine “C” by observation
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A-3-4 Length Ft. Equation solved by
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RAINFALL INTENSITY IN INCHES PER HO
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RAINFALL INTENSITY IN INCHES PER HO
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A-3-10 GaSWCC (Amended - 1995) Tabl
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Column 9: Flood Frequency Flood fre
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B-1-4 GaSWCC
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SOIL SERIES INTERPRETATIONS ESTIMAT
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SOIL SERIES INTERPRETATIONS ESTIMAT
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SOIL SERIES INTERPRETATIONS ESTIMAT
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SOIL SERIES INTERPRETATIONS ESTIMAT
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SOIL SERIES INTERPRETATIONS ESTIMAT
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SOIL SERIES INTERPRETATIONS ESTIMAT
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SOIL SERIES INTERPRETATIONS ESTIMAT
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SOIL SERIES INTERPRETATIONS ESTIMAT
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SOIL SERIES INTERPRETATIONS ESTIMAT
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APPENDIX B-2 Estimating Soil Erosio
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Water Erosion Prediction Project (W
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County R County R County R Jenkins
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B-2-7 GaSWCC (Amended - 1995) Table
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U.S. Department of Agriculture Sect
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GUIDE FOR DEVELOPING THE SOIL ERODI
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APPENDIX C Riprap DEFINITION A reve
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Size Inches (Sq. opening) N.S.A. No
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Diameter of Stone in Inches 60 40 2
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Table C-6. - Velocity, Top Width an
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APPENDIX D Model Soil Erosion and S
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Model Soil Erosion And Sedimentatio
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33. Vegetative Erosion and Sediment
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B. MINIMUM REQUIREMENTS/BMP’s 1.
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of vegetation until all land-distur
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3. Maps, drawings, and supportive c
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B. STOP-WORK ORDERS 1. For the firs
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CONVERSION FACTORS TO CONVERT: MULT
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APPENDIX F GLOSSARY The list of ter
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DESILTING AREA - An area of grass,
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FLOOD - An overflow or inundation t
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INTAKE (1) The headworks of a condu
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NATURAL GROUND SURFACE - The ground
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SLOPE CHARACTERISTICS - Slopes may
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REFERENCES 1. Agricultural Research
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44. USDA Agricultural Research Serv