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Adopted - January 10, 2007
HAMILTON COUNTY PUBLIC WORKS RULES AND REGULATIONS
GOVERNING THE
DESIGN, CONSTRUCTION, OPERATION, MAINTENANCE, AND USE
IN THE
COUNTY OF HAMILTON STORM DRAINAGE SYSTEM
Effective January 17, 2007
By The Board Of Hamilton County Commissioners
Click here for a summary of the changes to our Regulations
SDS Review and Inspection Fees Revised Effective August 1, 2007
TABLE OF CONTENTS
EXHIBITS
PLATES
NOTES
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VOLUME I
ARTICLE I Definitions
ARTICLE II Control of Storm Sewers
ARTICLE III General Policy
ARTICLE IV Improvement Plans
ST 401 General
ST 402 Preparation of Subdivision Improvement Plans
ST 403 Flood Plain Limits in the Special Flood Hazard Areas
ST 404 Grading of Sites and Improvements
ST 405 Detention and/or Retention Basins
ST 406 Easements, Plats and Right-of-Entry Agreements
ST 407 Relation of Development to Existing Watercourse and Drainage Channels
ST 408 Relation of Development Between Existing Watercourses and Proposed Roadways
ST 409 Storm Sewer Profiles
ST 410 Datum for Elevations
ST 411 Grading Permit
ST 412 Grading Plan
ST 413 Cut and Fill Slopes
ST 414 Temporary Erosion and Sediment Control
ST 415 Compaction of Fills
ST 416 Mud and Debris
ST 417 Restrictions on Filling in Flood Plain Areas Within the Special Flood Hazard Areas
ST 418 Flood Damage Prevention Regulations
ST 419 "As-Built" Floor Elevations Within Flood Hazard Area
ARTICLE V Maintenance of the County Storm Sewer System
ARTICLE VI Unpolluted Waste Water
VOLUME II
ARTICLE VII Basic Design Criteria for Storm Sewers ,
Appurtenant Structures, Detention and Retention Basins
ST 701 Degree of Protection
ST 702 Determination of Quantity of Runoff
ST 703 Pipe Capacity and Design
ST 704 Minimum Pipe Size
ST 705 Minimum and Maximum Velocities
ST 706 Gradients of Pipe
ST 707 Hydraulic Gradients
ST 708 Manholes
ST 709 Private Storm Drain Connections to Publicly Maintained Storm Sewer Systems
ST 710 Catch Basins, Inlets and Outlets
ST 711 Detention Basin Design Criteria
ST 712 Retention Basin Design Criteria
ST 713 Specifications for Construction and Material
ARTICLE VIII Basic Design Criteria for Storm Water
Open Channels, Culverts, and Bridges
ST 801 General
ST 802 Degree of Protection
ST 803 Determination of Quantity of Runoff
ST 804 Open Channel Capacity and Other Controls
ST 805 Ditch Design Criteria
ST 806 Open Channel Alterations or Relocation
ST 807 Swales, Ditches, Gutters (Paved and Unpaved)
ST 808 Emergency Overflow Ditches Required at Low Point Cul-de-sacs, Low Sag Areas
ST 809 Culvert Design Criteria and Controls
ST 810 Inlet Controls Placed in Open Channels
ST 811 Outlet Controls in Open Channels
ST 812 Large Culverts and Bridges
ST 813 Bridge Openings in Consoer-Townsend Streams
ST 814 Specifications for Construction and Material
ARTICLE IX Basic Design Criteria for Storm Water Pump
Stations Located Outside of Special Flood Hazard Areas
ST 901 Drawings
ST 902 Design Criteria
ARTICLE X Storm Sewer Placement
ST 1000 Storm Sewer Placement
ST 1001 "As-Built" For Storm System
VOLUME III
ARTICLE XI Improvement Plan Review Procedures
ST 1101 General
ST 1102 Concept Review
ST 1103 Concurrent Concept and Detailed Construction Drawing Review
ST 1104 Detailed Construction Drawing Review
ST 1105 Review/Initial Site Inspection Fees
ST 1106 Review Expiration Date
ARTICLE XII Inspection of Construction
ST 1201 Inspection of Construction
ST 1202 Construction Inspection Fees
VOLUME IV
ARTICLE XIII Board of Storm Drainage Variance and Appeals
ST 1301 Members of the Board
ST 1302 Appointments
ST 1303 County Employees to Assist the Board
ARTICLE XIV Powers of the Board
ST 1401 Variances and Appeals
ST 1402 Determination of the Board
ARTICLE XV Rules for the Conduct of Business
ST 1501 Adopting Rules
ST 1502 Appeals or Requests for Variance
ST 1503 Notice of Appeal or Request for a Variance
ARTICLE XVI Court of Common Pleas
ST 1601 Court of Common Pleas
EXHIBITS
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EXHIBIT NUMBER:
1 Storm Drainage Notes
2 SDS Application Form
3 Check List Design Aid For New Developments
4 Charts and Computation Information Sheet
5 Overland Flow Chart
6 Nomograph for Solution of the Manning Formula
7 Nomograph for Solution of the Manning Formula
8 Storm Sewer Computation Sheet A (Example)
8 Storm Sewer Computation Sheet A
9 Storm Sewer Computation Sheet B
10 Pavement Drainage Computation Sheet
11 Catch Basin Design Sheet
12 Private Storm Water Detention/Retention Maintenance Checklist
13 NOT USED
14 NOT USED
15 Capacity of Std. CB-3A, CB-3, CB3-M, or CB-3-MH Grates in Pavement Sags
16 Capacity of
Std. CB-3A, CB-3, CB3-M, or CB-3-MH Curb Openings in Sags
17 Capacity of Catch Basins with No Clogging
18 Capacity of Catch Basins with No Clogging
19 Capacity of Catch Basins with No Clogging
20 Bulletin 45 Computation Sheet (Sheet No. 1)
20 Bulletin 45 Computation Sheet (Sheet No. 2)
20 Bulletin 45 Computation Sheet (Sheet No. 3)
20 Bulletin 45 Computation Sheet (Sheet No. 4)
21 Entrance Loss Coefficients, Outlet Control, Full or Partly Full Entrance Head Loss
22 Headwater Depth for Concrete Pipe Culverts with Inlet Control
23 Headwater Depth for Box Culverts with Inlet Controls
24 Head for Concrete Pipe Culverts Flowing Full n = .012
25 Head for Concrete Box Culverts Flowing Full n = .012
26 Headwater Depth for Corrugated Metal Pipe Culverts with Inlet Control
27 Head for Standard Corrugated Metal Pipe Culverts Flowing Full n = .024
28 Culvert Design Form
29 Typical Alternate Culvert Design
30 Item 601, Rock Channel Protection at Culvert and Storm Sewer Outlets and Inlets
31 Energy Dissipater - Stilling Basin Type
32 Open Channel Symbols, Equations, and Geometric Formulas
33 Detention/Retention Basin Computation Sheet (Sheet Nos. 1 thru 3)
34 Detention Basin Controls (Sheet No. 1)
34 Detention Basin Controls (Sheet No. 2)
34 Detention Basin Controls (Sheet No. 3)
34 Detention Basin Controls (Sheet No. 4)
34 Detention Basin Controls (Sheet No. 5)
35 Resolution Adopting Flood Damage Prevention Regulations
36 Low Floor Elevation Certification Letter
PLATES
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PLATE NUMBER:
1 Pipe Bedding
2 Reinforced Concrete Junction Chamber
3 Straw Bale Dike
4 Sloped Headwall
5 Wing wall Headwall
6 Requirements for Storm water Channels
7 Storm water Channel Requirements
8 Requirements for Storm water Channels
9 Catch Basin-Manhole CB-3-MH
10 Standard Drawing CB-3M, Standard Drawing CB-3D
10 Standard Drawing CB-3M, Detailed Version
11 Key Block, Anti-seep Collar
12 Concrete Collars on Conduits
13 Rainfall Intensity-Duration-Frequency Curves
NOTES
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Copy and paste these notes in your AutoCAD project.
Exhibit 1 Storm Drainage Notes
Private Storm Sewer Notes to be shown on all private commercial projects.
Dedication of Permanent Private Drainage Easement for Storm Water Detention Notes.
Storm Sewer Construction within a Road Improvement Project Notes.
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