East Hartford, Connecticut

Design Manual


	TOWN OF EAST HARTFORD MANUAL OF TECHNICAL DESIGN TOWN ENGINEER M. DENISE HORAN, PE. Contact Information: email: dhoran@ci.east-hartford.ct.us or Phone: (860) 291-7384

Table of Contents	Section Number
Introduction
Traffic	Section 1
Plan Requirements/ Existing Conditions Requirements	Section 2
Site Development	Section 3
General Hydraulic Design Requirements	Section 4
Drainage Design Criteria	Section 5
Erosion and Sedment Control	Section 6
Bonding of Site Plan Modifications	Section 7
Record Drawings	Section 8
Development within a Flood Hazard Zone	Section 9

Appendix A

Miscellaneous Notes and Specifications

Table of Contents	Section Number
General Note	A-1
Site Plan Approval Block	A-1
Final Subdivision Approval Block	A-1
Temporary Patch Treatment	A-2
Permanent Patch Treatment	A-3
Continued- Permanent Patch Treatment	A-4

Appendix B

Standard Details

Table of Contents	Section Number
Minor Street	B-1
Collector Street	B-2
Industrial Street	B-3
Cul - De - Sac	B-4
Underground Utility Locations	B-5
Curbing	B-6
Sidewalk	B-7
Sidewalk Ramps	B-8
Pavement	B-9
Dumpster	B-10
Monumentation	B-11
Driveways	B-12

DRAINAGE DETAILS

Table of Contents	Section Number
Type "C" Catch Basin	B - 13
Type "C-L" Catch Basin	B - 14
Transitional Catch Basin Slab & Debris Trap	B - 15
Steel Frame & Grate for Catch Basins	B - 16
Masonry Manhole	B - 17
Precast Manhole	B - 18
Sedimentation Structure	B - 19
Standard Endwall	B - 20
Wing Type Endwall	B - 21
Reinforced Concrete Pipe Flared End Section	B - 22
Ditches & Channel Slope Protection	B - 23
Rip Rap Plunge Pool	B - 24
Underdrain	B - 25
Trench	B - 26
Typical Detention Basin Outlet Structure	B - 27
Typical Detention Basin Dam	B - 28
Drywell	B - 29
Oil & Water Separator	B - 30

EROSION CONTROL

Appendix C

Drainage Design forms and Design Aids

Table of Contents	Section Number
Rainfall Intensity Charts
Hartford County	C - 1
Rainfall Intensity Charts SCS 24 hour Storm	C - 2

Time of Concentration Charts

Table of Contents	Section Number
Seelye Chart	C - 3
Kirpich Chart	C - 4
Culvert Computation Forms	C - 5
Continued Culvert Computation Forms	C - 6
Summary of Water Surface Profiles	C - 7
Gutter Flow Charts	C-8
Instructions for Use of Hydraulic Capacity of Crate Inlet in a Sump to C - 10	C - 9
Continued Instructions for Use of Hydraulic Capacity of Crate Inlet in a Sump to	C - 10
Hydraulic Capacity of Grate inlet in a Sump	C - 11

Gutter Flow Analysis

Table of Contents	Section Number
Directions for Form to	C - 12
Continued Directions for Form to	C - 13
Computation Form	C - 14

Storm Sewer Systems Design

Ditch and Channel Analysis

Table of Contents	Section Number
Directions for Overland Flow Analysis Form	C - 17
Overland Flow Analysis for Ditch Design	C - 18
Directions for Ditch and Channel Design	C - 19
Ditch and Channel Design Form	C - 20

Appendix D-Zoning Illustrations

Zoning Section, Subject

Table of Contents	Section Number
200	Building Heights D - 1
200	Floor Area Ratio D - 2
200	Lot Lines D - 3
200	Lot Lines, Lot Frontage & Lot Width D - 4
200	Lot Depth D - 5
200	Yards D - 6
200	Lot Types D - 7
200	Lot Coverage & Lot Area D - 8
203	Buffer Strips D - 9
224.6	Signs, Various Styles D - 10
Plantings in Parking Lot	* Plantings in Parking Lot D - 11
703	Landscape Layout D - 12
* Zoning Sections: 338.4, 41.1, 418.7, and 432.2

Project Checklist

Table of Contents	Section Number
(Click Here)