LAND SUBDIVISION DESIGN SEQUENCE

Revised: 04/24/14 Conceptual Design * Conceptual Layout - Discuss with Zoning and Engineering Departments * Utility Investigation

- Determine if central water and sewer is available and secure “Will Serve” letters. - or - - Constuct Utilities and give to utility franchise holder for operation and maintenance. - or -

- If individual on-site system(s) are preferred, size lots accordingly and seek Mississippi State Department of Health approval.

* Secure Harrison County Zoning approval for proposed development. Application for Subdivision * Complete Subdivision Application and pay associated fee. * Submit Sketch Plat including - Developer’s name - Engineer’s name - Vicinity map - Lot layout - Minimum and typical lot sizes and dimensions - Road widths - Approximate wetland delineation - Typical road section - North arrow - Adjacent road names and right-of-way widths - Potable water wellsand sewage treatment facilities - Drawn to scale * Provide “Will Serve” letter from utility franchise holder for potable water and/or

sanitary sewer or Mississippi State Department of Health approval of lot layout. * Describe proposed water supply and sanitary sewer handling methodology. As a

minimum, this shall describe the following: - Water supply - Sewage collection - Sewage treatment - Effluent discharge method (offsite, onsite, underground absorption, drip field, etc.) * Provide approval from Zoning for proposed development.

Harrison County Engineer will review and, if acceptable recommend to Board of Supervisors for approval. There are typically two meetings per month occuring on the first and second Monday of the month. The Board agenda deadline is Wednesday prior to the meeting for the Engineering Department. All information must be provided one (1) week prior to the agenda deadline for office and field review by the Engineering Department.

Construction Plan Submittal * Submit Construction Plans stamped and signed by a Professional Engineer registered

in the state of Mississippi and include the following information: - Title Sheet

o Project Name o Name, Address, and Contact Number of Developer o Name, Address, and Contact Number and of Engineer o Name, Address, and Contact Number of Surveyor o Vicinity Map o Indexing Data

- Existing Topographical Data o Boundary Information o Existing Road Names and Right-of-Way Widths o Contours o Flood Zones o Wetland Delineation Data o Drainage Outfalls o Existing Utilities o Vicinity Map

- Lot Layout o Boundary Information o Wetland Delineation Data o Lot Dimensions o Lot Sizes o Easements o Centerline Stations and Curve Data o Road Names and Right-of-Way Widths

- Road and Drainage Plan o Lot lines o Road Surfaces and Dimensioning (widths, radii, etc.) o Wetland Delineation Data o Existing and Proposed Drainage System (station, size, slope, inverts, drainage

area, culvert material, etc.)(plastic flared-end-sections are not allowed)

o Detention Pond Details with Controlled Outlet and Emergency Overflow (emergency overflow shall be at an elevation that is lower than the inlet culvert inverts)

o Drainage Flow Arrows o Drainage Outfall and Downstream Information o Easements o Traffic Signage o Road Names and Right-of-Way Widths

- Utility Plan (as applicable) o Lot Lines o Wetland Delineation Data o Existing and Proposed Utilities o Easements o Road Names and Right-of-Way Widths

- Stormwater Pollution Prevention Plan o Wetland Delineation Data o Lot Lines o Drainage Data o Easements o Stormwater Pollution Prevention Controls (location and detail) o Road Names and Right-of-Way Widths

- Road Plan and Profile o Boundary Information o Wetland Delineation Data o Lot Lines o Existing and Proposed Drainage System (station, size, slope, inverts, drainage

area, culvert material, etc.) o Easements o Vertical Curve Data o Original and Proposed Centerline Grades o Road Surfaces (dimensions, radii, etc.) o Road Names and Right-of-Way Widths o Centerline Alignment Stationing o Sewer Lines, Manholes, Air Release Valves, etc. (in plan and profile views) o Stormwater Drainage inlets, culverts, etc. (in plan and profile views)

- Construction Details o Typical Road Cross Section (Include note: Subbase and granular base courses

shall be proof-rolled in the presence of a Harrison County Engineering Representative prior to application of overlying course)

o Cul-de-sac Detail (96’ min. dia. and 40’ min. return radii) o Culvert Bedding Detail o Drainage Structures

- Submit Construction Specifications stamped and signed by a Professional Engineer registered in the state of Mississippi.

- Submit Drainage Calculations stamped and signed by a Professional Engineer registered in the state of Mississippi.

Harrison County Engineer will review and, if acceptable approve for construction. Construction Checks * A pre-construction meeting is required with Developer or Engineer and Contractor

prior to commencement of construction. * Notify Harrison County Engineering for review of any changes to approved project

documents. * Notify Harrison County Engineering when beginning construction. * Notify Harrison County Engineering when beginning drainage construction. - HDPE end sections will not be accepted. - Harrison County Engineering Representative will verify opening widths (per plans)

and heights (5” max). * Notify Harrison County Engineering when beginning curb construction. - Proof roll curb base in the presence of Harrison County Engineering

Representative. - Harrison County Engineering Representative will verify curb width (2’ min.) along

with contraction and expansion joints are in accordance with the approved documents.

* Proof roll subbase in the presence of Harrison County Engineering Representative. - Approval is required prior to application of overlying course.

* Proof roll base in the presence of Harrison County Engineering Representative. - Approval is required prior to application of overlying course. * Periodic inspection of Stormwater Pollution Prevention Controls. - Developer/Contractor is responsible for daily maintenance. The Harrison County Assistant Engineer will be the principal contact for all

inspection/review during the construction phase.

Project Title: ____________________________

Date: ____________________________

Preconstruction Meeting Date: ____________________________

Developer or Representative: ____________________________

Contractor: ____________________________

Harrison County Engineering Representative: ____________________________

Submission of Final Plat - Construction checks must have been performed and approved by Harrison County

Engineering Representative. - Submit a review copy of Final Plat for review including wetland delineation. Upon

direction of Engineering Department, provide a minimum one (1) mylar and one (1) linen copies for recording purposes and three (3) electronic copies in AutoCAD format on CD’s.

- Provide approval letters for constructing potable water and sanitary sewer systems from appropriate state agencies. (Not required for individual on-site systems.)

- Provide 2-year maintenance Bond for all improvements. (A certified check is acceptable but unsecured checks will not be allowed.)

- Provide signed agreement with power company detailing that Developer will pay electric lighting bill for a one (1) year period from the date of Harrison County Board of Supervisors approval.

- Request Final Inspection and complete all punch list items including installation of all street signage; establish stand of grass in disturbed areas or seed, fertilize and mulch with erosion control.

- Provide list of roads with lengths and widths. - Pre-pay filing fee. (Currently $16 for first page and $10 for each add. Page) Harrison County Engineer will review and, if acceptable recommend to Board of

Supervisors for approval. There are typically two meetings per month occuring on the first and second Monday of the month. The Board agenda deadline is Wednesday prior to the meeting for the Engineering Department. All information must be provided one (1) week prior to the agenda deadline for office and field review by the Engineering Department.

GENERAL SUBDIVISION REQUIREMENTS: The sale or exchange of any property between any two parties, regardless of relationship shall be regulated by the Harrison County Land Ordinance. Application Fee: Fifty dollars ($250.00) plus fifty cents ($2.00) per lot MINIMUM IMPROVEMENTS: Our Land Development Regulations generally reference all construction and materials to be in accordance with MDOT’s State Aid Specifications. Road Design –

Asphalt Surface Course Hot Bituminous Pavement - Surface Course No.

SC-1, Three Inches (3") Minimum Thickness, MDOT State Aid Specifications. The asphalt will be placed in two (2) lifts of One and One Half Inches (1-1/2”) each. The first lift is required prior to Final Plat Approval. The final lift required to be provided no sooner than 80% of lot buildout. Harrison County Engineering inspection and approval required prior to final lift. If 80% buildout does not occur within the two (2) year warranty period, Developer may elect to extend the Completion Bond or pay cost of final lift to County for overlay at a later date.

Concrete Pavement “…allowed only by special permission by the Board of Supervisors.” Base shall be as listed below.

Base Course Eight (8) inch minimum thickness, crushed

limestone or ten (10) inch crushed concrete, size 610, 10” Cement Treated Base in accordance with the MSHD State Specifications allowed only upon inspection by Harrison County Engineering Representative following grading of base course, Clay Gravel and Mechanically Stabilized Base Courses are not acceptable. Design data for treated bases shall be stamped and signed by P.E. registered in the state of Mississippi and provided to County. Base course shall be proof-rolled in the presence of a Harrison County Engineering Representative.

Subbase Subbase shall be prepared in accordance with MDOT State aid Specifications. Subbase course shall be proof-rolled in the presence of a Harrison County Engineering Representative.

Sidewalks Type I Subdivisions - Required

Type II Subdivisions – Required for lot widths less than 100 feet

Type III – Not Required Curb and Gutter Required for lot widths less than 100 feet

Fire Protection –

Water Main 8” Min. for Lines Supplying Fire Hydrants or 6” if lines are looped or as supported by engineering calculations

Fire Hydrant Max. 500’ from Residences Drainage Design - 25-yr Design Storm Piping of ditches in Type II and III Subdivisions not

allowed unless plans are submitted for review by a Professional Engineer registered in the state of Mississippi. Also, a permit or approval letter by the Mississippi Department of Environmental Quality shall be provided.

Street Lighting- Required for all developments Bonds -

Maintenance 2-yr Completion 2-yr bond for asphalt overlay or (cost of County

annual bid for final aspshalt lift plus 15%)

LAND SUBDIVISION DESIGN SEQUENCE

Revised: 04/24/14 Conceptual Design * Conceptual Layout - Discuss with Zoning and Engineering Departments * Utility Investigation

- Determine if central water and sewer is available and secure “Will Serve” letters. - or - - Constuct Utilities and give to utility franchise holder for operation and maintenance. - or -

- If individual on-site system(s) are preferred, size lots accordingly and seek Mississippi State Department of Health approval.

* Secure Harrison County Zoning approval for proposed development. Application for Subdivision * Complete Subdivision Application and pay associated fee. * Submit Sketch Plat including - Developer’s name - Engineer’s name - Vicinity map - Lot layout - Minimum and typical lot sizes and dimensions - Road widths - Approximate wetland delineation - Typical road section - North arrow - Adjacent road names and right-of-way widths - Potable water wellsand sewage treatment facilities - Drawn to scale * Provide “Will Serve” letter from utility franchise holder for potable water and/or

sanitary sewer or Mississippi State Department of Health approval of lot layout. * Describe proposed water supply and sanitary sewer handling methodology. As a

minimum, this shall describe the following: - Water supply - Sewage collection - Sewage treatment - Effluent discharge method (offsite, onsite, underground absorption, drip field, etc.) * Provide approval from Zoning for proposed development.

Harrison County Engineer will review and, if acceptable recommend to Board of Supervisors for approval. There are typically two meetings per month occuring on the first and second Monday of the month. The Board agenda deadline is Wednesday prior to the meeting for the Engineering Department. All information must be provided one (1) week prior to the agenda deadline for office and field review by the Engineering Department.

Construction Plan Submittal * Submit Construction Plans stamped and signed by a Professional Engineer registered

in the state of Mississippi and include the following information: - Title Sheet

o Project Name o Name, Address, and Contact Number of Developer o Name, Address, and Contact Number and of Engineer o Name, Address, and Contact Number of Surveyor o Vicinity Map o Indexing Data

- Existing Topographical Data o Boundary Information o Existing Road Names and Right-of-Way Widths o Contours o Flood Zones o Wetland Delineation Data o Drainage Outfalls o Existing Utilities o Vicinity Map

- Lot Layout o Boundary Information o Wetland Delineation Data o Lot Dimensions o Lot Sizes o Easements o Centerline Stations and Curve Data o Road Names and Right-of-Way Widths

- Road and Drainage Plan o Lot lines o Road Surfaces and Dimensioning (widths, radii, etc.) o Wetland Delineation Data o Existing and Proposed Drainage System (station, size, slope, inverts, drainage

area, culvert material, etc.)(plastic flared-end-sections are not allowed)

o Detention Pond Details with Controlled Outlet and Emergency Overflow (emergency overflow shall be at an elevation that is lower than the inlet culvert inverts)

o Drainage Flow Arrows o Drainage Outfall and Downstream Information o Easements o Traffic Signage o Road Names and Right-of-Way Widths

- Utility Plan (as applicable) o Lot Lines o Wetland Delineation Data o Existing and Proposed Utilities o Easements o Road Names and Right-of-Way Widths

- Stormwater Pollution Prevention Plan o Wetland Delineation Data o Lot Lines o Drainage Data o Easements o Stormwater Pollution Prevention Controls (location and detail) o Road Names and Right-of-Way Widths

- Road Plan and Profile o Boundary Information o Wetland Delineation Data o Lot Lines o Existing and Proposed Drainage System (station, size, slope, inverts, drainage

area, culvert material, etc.) o Easements o Vertical Curve Data o Original and Proposed Centerline Grades o Road Surfaces (dimensions, radii, etc.) o Road Names and Right-of-Way Widths o Centerline Alignment Stationing o Sewer Lines, Manholes, Air Release Valves, etc. (in plan and profile views) o Stormwater Drainage inlets, culverts, etc. (in plan and profile views)

- Construction Details o Typical Road Cross Section (Include note: Subbase and granular base courses

shall be proof-rolled in the presence of a Harrison County Engineering Representative prior to application of overlying course)

o Cul-de-sac Detail (96’ min. dia. and 40’ min. return radii) o Culvert Bedding Detail o Drainage Structures

- Submit Construction Specifications stamped and signed by a Professional Engineer registered in the state of Mississippi.

- Submit Drainage Calculations stamped and signed by a Professional Engineer registered in the state of Mississippi.

Harrison County Engineer will review and, if acceptable approve for construction. Construction Checks * A pre-construction meeting is required with Developer or Engineer and Contractor

prior to commencement of construction. * Notify Harrison County Engineering for review of any changes to approved project

documents. * Notify Harrison County Engineering when beginning construction. * Notify Harrison County Engineering when beginning drainage construction. - HDPE end sections will not be accepted. - Harrison County Engineering Representative will verify opening widths (per plans)

and heights (5” max). * Notify Harrison County Engineering when beginning curb construction. - Proof roll curb base in the presence of Harrison County Engineering

Representative. - Harrison County Engineering Representative will verify curb width (2’ min.) along

with contraction and expansion joints are in accordance with the approved documents.

* Proof roll subbase in the presence of Harrison County Engineering Representative. - Approval is required prior to application of overlying course.

* Proof roll base in the presence of Harrison County Engineering Representative. - Approval is required prior to application of overlying course. * Periodic inspection of Stormwater Pollution Prevention Controls. - Developer/Contractor is responsible for daily maintenance. The Harrison County Assistant Engineer will be the principal contact for all

inspection/review during the construction phase.

Project Title: ____________________________

Date: ____________________________

Preconstruction Meeting Date: ____________________________

Developer or Representative: ____________________________

Contractor: ____________________________

Harrison County Engineering Representative: ____________________________

Submission of Final Plat - Construction checks must have been performed and approved by Harrison County

Engineering Representative. - Submit a review copy of Final Plat for review including wetland delineation. Upon

direction of Engineering Department, provide a minimum one (1) mylar and one (1) linen copies for recording purposes and three (3) electronic copies in AutoCAD format on CD’s.

- Provide approval letters for constructing potable water and sanitary sewer systems from appropriate state agencies. (Not required for individual on-site systems.)

- Provide 2-year maintenance Bond for all improvements. (A certified check is acceptable but unsecured checks will not be allowed.)

- Provide signed agreement with power company detailing that Developer will pay electric lighting bill for a one (1) year period from the date of Harrison County Board of Supervisors approval.

- Request Final Inspection and complete all punch list items including installation of all street signage; establish stand of grass in disturbed areas or seed, fertilize and mulch with erosion control.

- Provide list of roads with lengths and widths. - Pre-pay filing fee. (Currently $16 for first page and $10 for each add. Page) Harrison County Engineer will review and, if acceptable recommend to Board of

Supervisors for approval. There are typically two meetings per month occuring on the first and second Monday of the month. The Board agenda deadline is Wednesday prior to the meeting for the Engineering Department. All information must be provided one (1) week prior to the agenda deadline for office and field review by the Engineering Department.

GENERAL SUBDIVISION REQUIREMENTS: The sale or exchange of any property between any two parties, regardless of relationship shall be regulated by the Harrison County Land Ordinance. Application Fee: Fifty dollars ($250.00) plus fifty cents ($2.00) per lot MINIMUM IMPROVEMENTS: Our Land Development Regulations generally reference all construction and materials to be in accordance with MDOT’s State Aid Specifications. Road Design –

Asphalt Surface Course Hot Bituminous Pavement - Surface Course No.

SC-1, Three Inches (3") Minimum Thickness, MDOT State Aid Specifications. The asphalt will be placed in two (2) lifts of One and One Half Inches (1-1/2”) each. The first lift is required prior to Final Plat Approval. The final lift required to be provided no sooner than 80% of lot buildout. Harrison County Engineering inspection and approval required prior to final lift. If 80% buildout does not occur within the two (2) year warranty period, Developer may elect to extend the Completion Bond or pay cost of final lift to County for overlay at a later date.

Concrete Pavement “…allowed only by special permission by the Board of Supervisors.” Base shall be as listed below.

Base Course Eight (8) inch minimum thickness, crushed

limestone or ten (10) inch crushed concrete, size 610, 10” Cement Treated Base in accordance with the MSHD State Specifications allowed only upon inspection by Harrison County Engineering Representative following grading of base course, Clay Gravel and Mechanically Stabilized Base Courses are not acceptable. Design data for treated bases shall be stamped and signed by P.E. registered in the state of Mississippi and provided to County. Base course shall be proof-rolled in the presence of a Harrison County Engineering Representative.

Subbase Subbase shall be prepared in accordance with MDOT State aid Specifications. Subbase course shall be proof-rolled in the presence of a Harrison County Engineering Representative.

Sidewalks Type I Subdivisions - Required

Type II Subdivisions – Required for lot widths less than 100 feet

Type III – Not Required Curb and Gutter Required for lot widths less than 100 feet

Fire Protection –

Water Main 8” Min. for Lines Supplying Fire Hydrants or 6” if lines are looped or as supported by engineering calculations

Fire Hydrant Max. 500’ from Residences Drainage Design - 25-yr Design Storm Piping of ditches in Type II and III Subdivisions not

allowed unless plans are submitted for review by a Professional Engineer registered in the state of Mississippi. Also, a permit or approval letter by the Mississippi Department of Environmental Quality shall be provided.

Street Lighting- Required for all developments Bonds -

Maintenance 2-yr Completion 2-yr bond for asphalt overlay or (cost of County

annual bid for final aspshalt lift plus 15%)

LAND SUBDIVISION DESIGN SEQUENCE

Revised: 04/24/14 Conceptual Design * Conceptual Layout - Discuss with Zoning and Engineering Departments * Utility Investigation

- Determine if central water and sewer is available and secure “Will Serve” letters. - or - - Constuct Utilities and give to utility franchise holder for operation and maintenance. - or -

- If individual on-site system(s) are preferred, size lots accordingly and seek Mississippi State Department of Health approval.

* Secure Harrison County Zoning approval for proposed development. Application for Subdivision * Complete Subdivision Application and pay associated fee. * Submit Sketch Plat including - Developer’s name - Engineer’s name - Vicinity map - Lot layout - Minimum and typical lot sizes and dimensions - Road widths - Approximate wetland delineation - Typical road section - North arrow - Adjacent road names and right-of-way widths - Potable water wellsand sewage treatment facilities - Drawn to scale * Provide “Will Serve” letter from utility franchise holder for potable water and/or

sanitary sewer or Mississippi State Department of Health approval of lot layout. * Describe proposed water supply and sanitary sewer handling methodology. As a

minimum, this shall describe the following: - Water supply - Sewage collection - Sewage treatment - Effluent discharge method (offsite, onsite, underground absorption, drip field, etc.) * Provide approval from Zoning for proposed development.

Harrison County Engineer will review and, if acceptable recommend to Board of Supervisors for approval. There are typically two meetings per month occuring on the first and second Monday of the month. The Board agenda deadline is Wednesday prior to the meeting for the Engineering Department. All information must be provided one (1) week prior to the agenda deadline for office and field review by the Engineering Department.

Construction Plan Submittal * Submit Construction Plans stamped and signed by a Professional Engineer registered

in the state of Mississippi and include the following information: - Title Sheet

o Project Name o Name, Address, and Contact Number of Developer o Name, Address, and Contact Number and of Engineer o Name, Address, and Contact Number of Surveyor o Vicinity Map o Indexing Data

- Existing Topographical Data o Boundary Information o Existing Road Names and Right-of-Way Widths o Contours o Flood Zones o Wetland Delineation Data o Drainage Outfalls o Existing Utilities o Vicinity Map

- Lot Layout o Boundary Information o Wetland Delineation Data o Lot Dimensions o Lot Sizes o Easements o Centerline Stations and Curve Data o Road Names and Right-of-Way Widths

- Road and Drainage Plan o Lot lines o Road Surfaces and Dimensioning (widths, radii, etc.) o Wetland Delineation Data o Existing and Proposed Drainage System (station, size, slope, inverts, drainage

area, culvert material, etc.)(plastic flared-end-sections are not allowed)

o Detention Pond Details with Controlled Outlet and Emergency Overflow (emergency overflow shall be at an elevation that is lower than the inlet culvert inverts)

o Drainage Flow Arrows o Drainage Outfall and Downstream Information o Easements o Traffic Signage o Road Names and Right-of-Way Widths

- Utility Plan (as applicable) o Lot Lines o Wetland Delineation Data o Existing and Proposed Utilities o Easements o Road Names and Right-of-Way Widths

- Stormwater Pollution Prevention Plan o Wetland Delineation Data o Lot Lines o Drainage Data o Easements o Stormwater Pollution Prevention Controls (location and detail) o Road Names and Right-of-Way Widths

- Road Plan and Profile o Boundary Information o Wetland Delineation Data o Lot Lines o Existing and Proposed Drainage System (station, size, slope, inverts, drainage

area, culvert material, etc.) o Easements o Vertical Curve Data o Original and Proposed Centerline Grades o Road Surfaces (dimensions, radii, etc.) o Road Names and Right-of-Way Widths o Centerline Alignment Stationing o Sewer Lines, Manholes, Air Release Valves, etc. (in plan and profile views) o Stormwater Drainage inlets, culverts, etc. (in plan and profile views)

- Construction Details o Typical Road Cross Section (Include note: Subbase and granular base courses

shall be proof-rolled in the presence of a Harrison County Engineering Representative prior to application of overlying course)

o Cul-de-sac Detail (96’ min. dia. and 40’ min. return radii) o Culvert Bedding Detail o Drainage Structures

- Submit Construction Specifications stamped and signed by a Professional Engineer registered in the state of Mississippi.

- Submit Drainage Calculations stamped and signed by a Professional Engineer registered in the state of Mississippi.

Harrison County Engineer will review and, if acceptable approve for construction. Construction Checks * A pre-construction meeting is required with Developer or Engineer and Contractor

prior to commencement of construction. * Notify Harrison County Engineering for review of any changes to approved project

documents. * Notify Harrison County Engineering when beginning construction. * Notify Harrison County Engineering when beginning drainage construction. - HDPE end sections will not be accepted. - Harrison County Engineering Representative will verify opening widths (per plans)

and heights (5” max). * Notify Harrison County Engineering when beginning curb construction. - Proof roll curb base in the presence of Harrison County Engineering

Representative. - Harrison County Engineering Representative will verify curb width (2’ min.) along

with contraction and expansion joints are in accordance with the approved documents.

* Proof roll subbase in the presence of Harrison County Engineering Representative. - Approval is required prior to application of overlying course.

* Proof roll base in the presence of Harrison County Engineering Representative. - Approval is required prior to application of overlying course. * Periodic inspection of Stormwater Pollution Prevention Controls. - Developer/Contractor is responsible for daily maintenance. The Harrison County Assistant Engineer will be the principal contact for all

inspection/review during the construction phase.

Project Title: ____________________________

Date: ____________________________

Preconstruction Meeting Date: ____________________________

Developer or Representative: ____________________________

Contractor: ____________________________

Harrison County Engineering Representative: ____________________________

Submission of Final Plat - Construction checks must have been performed and approved by Harrison County

Engineering Representative. - Submit a review copy of Final Plat for review including wetland delineation. Upon

direction of Engineering Department, provide a minimum one (1) mylar and one (1) linen copies for recording purposes and three (3) electronic copies in AutoCAD format on CD’s.

- Provide approval letters for constructing potable water and sanitary sewer systems from appropriate state agencies. (Not required for individual on-site systems.)

- Provide 2-year maintenance Bond for all improvements. (A certified check is acceptable but unsecured checks will not be allowed.)

- Provide signed agreement with power company detailing that Developer will pay electric lighting bill for a one (1) year period from the date of Harrison County Board of Supervisors approval.

- Request Final Inspection and complete all punch list items including installation of all street signage; establish stand of grass in disturbed areas or seed, fertilize and mulch with erosion control.

- Provide list of roads with lengths and widths. - Pre-pay filing fee. (Currently $16 for first page and $10 for each add. Page) Harrison County Engineer will review and, if acceptable recommend to Board of

Supervisors for approval. There are typically two meetings per month occuring on the first and second Monday of the month. The Board agenda deadline is Wednesday prior to the meeting for the Engineering Department. All information must be provided one (1) week prior to the agenda deadline for office and field review by the Engineering Department.

GENERAL SUBDIVISION REQUIREMENTS: The sale or exchange of any property between any two parties, regardless of relationship shall be regulated by the Harrison County Land Ordinance. Application Fee: Fifty dollars ($250.00) plus fifty cents ($2.00) per lot MINIMUM IMPROVEMENTS: Our Land Development Regulations generally reference all construction and materials to be in accordance with MDOT’s State Aid Specifications. Road Design –

Asphalt Surface Course Hot Bituminous Pavement - Surface Course No.

SC-1, Three Inches (3") Minimum Thickness, MDOT State Aid Specifications. The asphalt will be placed in two (2) lifts of One and One Half Inches (1-1/2”) each. The first lift is required prior to Final Plat Approval. The final lift required to be provided no sooner than 80% of lot buildout. Harrison County Engineering inspection and approval required prior to final lift. If 80% buildout does not occur within the two (2) year warranty period, Developer may elect to extend the Completion Bond or pay cost of final lift to County for overlay at a later date.

Concrete Pavement “…allowed only by special permission by the Board of Supervisors.” Base shall be as listed below.

Base Course Eight (8) inch minimum thickness, crushed

limestone or ten (10) inch crushed concrete, size 610, 10” Cement Treated Base in accordance with the MSHD State Specifications allowed only upon inspection by Harrison County Engineering Representative following grading of base course, Clay Gravel and Mechanically Stabilized Base Courses are not acceptable. Design data for treated bases shall be stamped and signed by P.E. registered in the state of Mississippi and provided to County. Base course shall be proof-rolled in the presence of a Harrison County Engineering Representative.

Subbase Subbase shall be prepared in accordance with MDOT State aid Specifications. Subbase course shall be proof-rolled in the presence of a Harrison County Engineering Representative.

Sidewalks Type I Subdivisions - Required

Type II Subdivisions – Required for lot widths less than 100 feet

Type III – Not Required Curb and Gutter Required for lot widths less than 100 feet

Fire Protection –

Water Main 8” Min. for Lines Supplying Fire Hydrants or 6” if lines are looped or as supported by engineering calculations

Fire Hydrant Max. 500’ from Residences Drainage Design - 25-yr Design Storm Piping of ditches in Type II and III Subdivisions not

allowed unless plans are submitted for review by a Professional Engineer registered in the state of Mississippi. Also, a permit or approval letter by the Mississippi Department of Environmental Quality shall be provided.

Street Lighting- Required for all developments Bonds -

Maintenance 2-yr Completion 2-yr bond for asphalt overlay or (cost of County

annual bid for final aspshalt lift plus 15%)

LAND SUBDIVISION DESIGN SEQUENCE

Revised: 04/24/14 Conceptual Design * Conceptual Layout - Discuss with Zoning and Engineering Departments * Utility Investigation

- Determine if central water and sewer is available and secure “Will Serve” letters. - or - - Constuct Utilities and give to utility franchise holder for operation and maintenance. - or -

- If individual on-site system(s) are preferred, size lots accordingly and seek Mississippi State Department of Health approval.

* Secure Harrison County Zoning approval for proposed development. Application for Subdivision * Complete Subdivision Application and pay associated fee. * Submit Sketch Plat including - Developer’s name - Engineer’s name - Vicinity map - Lot layout - Minimum and typical lot sizes and dimensions - Road widths - Approximate wetland delineation - Typical road section - North arrow - Adjacent road names and right-of-way widths - Potable water wellsand sewage treatment facilities - Drawn to scale * Provide “Will Serve” letter from utility franchise holder for potable water and/or

sanitary sewer or Mississippi State Department of Health approval of lot layout. * Describe proposed water supply and sanitary sewer handling methodology. As a

minimum, this shall describe the following: - Water supply - Sewage collection - Sewage treatment - Effluent discharge method (offsite, onsite, underground absorption, drip field, etc.) * Provide approval from Zoning for proposed development.

Harrison County Engineer will review and, if acceptable recommend to Board of Supervisors for approval. There are typically two meetings per month occuring on the first and second Monday of the month. The Board agenda deadline is Wednesday prior to the meeting for the Engineering Department. All information must be provided one (1) week prior to the agenda deadline for office and field review by the Engineering Department.

Construction Plan Submittal * Submit Construction Plans stamped and signed by a Professional Engineer registered

in the state of Mississippi and include the following information: - Title Sheet

o Project Name o Name, Address, and Contact Number of Developer o Name, Address, and Contact Number and of Engineer o Name, Address, and Contact Number of Surveyor o Vicinity Map o Indexing Data

- Existing Topographical Data o Boundary Information o Existing Road Names and Right-of-Way Widths o Contours o Flood Zones o Wetland Delineation Data o Drainage Outfalls o Existing Utilities o Vicinity Map

- Lot Layout o Boundary Information o Wetland Delineation Data o Lot Dimensions o Lot Sizes o Easements o Centerline Stations and Curve Data o Road Names and Right-of-Way Widths

- Road and Drainage Plan o Lot lines o Road Surfaces and Dimensioning (widths, radii, etc.) o Wetland Delineation Data o Existing and Proposed Drainage System (station, size, slope, inverts, drainage

area, culvert material, etc.)(plastic flared-end-sections are not allowed)

o Detention Pond Details with Controlled Outlet and Emergency Overflow (emergency overflow shall be at an elevation that is lower than the inlet culvert inverts)

o Drainage Flow Arrows o Drainage Outfall and Downstream Information o Easements o Traffic Signage o Road Names and Right-of-Way Widths

- Utility Plan (as applicable) o Lot Lines o Wetland Delineation Data o Existing and Proposed Utilities o Easements o Road Names and Right-of-Way Widths

- Stormwater Pollution Prevention Plan o Wetland Delineation Data o Lot Lines o Drainage Data o Easements o Stormwater Pollution Prevention Controls (location and detail) o Road Names and Right-of-Way Widths

- Road Plan and Profile o Boundary Information o Wetland Delineation Data o Lot Lines o Existing and Proposed Drainage System (station, size, slope, inverts, drainage

area, culvert material, etc.) o Easements o Vertical Curve Data o Original and Proposed Centerline Grades o Road Surfaces (dimensions, radii, etc.) o Road Names and Right-of-Way Widths o Centerline Alignment Stationing o Sewer Lines, Manholes, Air Release Valves, etc. (in plan and profile views) o Stormwater Drainage inlets, culverts, etc. (in plan and profile views)

- Construction Details o Typical Road Cross Section (Include note: Subbase and granular base courses

shall be proof-rolled in the presence of a Harrison County Engineering Representative prior to application of overlying course)

o Cul-de-sac Detail (96’ min. dia. and 40’ min. return radii) o Culvert Bedding Detail o Drainage Structures

- Submit Construction Specifications stamped and signed by a Professional Engineer registered in the state of Mississippi.

- Submit Drainage Calculations stamped and signed by a Professional Engineer registered in the state of Mississippi.

Harrison County Engineer will review and, if acceptable approve for construction. Construction Checks * A pre-construction meeting is required with Developer or Engineer and Contractor

prior to commencement of construction. * Notify Harrison County Engineering for review of any changes to approved project

documents. * Notify Harrison County Engineering when beginning construction. * Notify Harrison County Engineering when beginning drainage construction. - HDPE end sections will not be accepted. - Harrison County Engineering Representative will verify opening widths (per plans)

and heights (5” max). * Notify Harrison County Engineering when beginning curb construction. - Proof roll curb base in the presence of Harrison County Engineering

Representative. - Harrison County Engineering Representative will verify curb width (2’ min.) along

with contraction and expansion joints are in accordance with the approved documents.

* Proof roll subbase in the presence of Harrison County Engineering Representative. - Approval is required prior to application of overlying course.

* Proof roll base in the presence of Harrison County Engineering Representative. - Approval is required prior to application of overlying course. * Periodic inspection of Stormwater Pollution Prevention Controls. - Developer/Contractor is responsible for daily maintenance. The Harrison County Assistant Engineer will be the principal contact for all

inspection/review during the construction phase.

Project Title: ____________________________

Date: ____________________________

Preconstruction Meeting Date: ____________________________

Developer or Representative: ____________________________

Contractor: ____________________________

Harrison County Engineering Representative: ____________________________

Submission of Final Plat - Construction checks must have been performed and approved by Harrison County

Engineering Representative. - Submit a review copy of Final Plat for review including wetland delineation. Upon

direction of Engineering Department, provide a minimum one (1) mylar and one (1) linen copies for recording purposes and three (3) electronic copies in AutoCAD format on CD’s.

- Provide approval letters for constructing potable water and sanitary sewer systems from appropriate state agencies. (Not required for individual on-site systems.)

- Provide 2-year maintenance Bond for all improvements. (A certified check is acceptable but unsecured checks will not be allowed.)

- Provide signed agreement with power company detailing that Developer will pay electric lighting bill for a one (1) year period from the date of Harrison County Board of Supervisors approval.

- Request Final Inspection and complete all punch list items including installation of all street signage; establish stand of grass in disturbed areas or seed, fertilize and mulch with erosion control.

- Provide list of roads with lengths and widths. - Pre-pay filing fee. (Currently $16 for first page and $10 for each add. Page) Harrison County Engineer will review and, if acceptable recommend to Board of

Supervisors for approval. There are typically two meetings per month occuring on the first and second Monday of the month. The Board agenda deadline is Wednesday prior to the meeting for the Engineering Department. All information must be provided one (1) week prior to the agenda deadline for office and field review by the Engineering Department.

GENERAL SUBDIVISION REQUIREMENTS: The sale or exchange of any property between any two parties, regardless of relationship shall be regulated by the Harrison County Land Ordinance. Application Fee: Fifty dollars ($250.00) plus fifty cents ($2.00) per lot MINIMUM IMPROVEMENTS: Our Land Development Regulations generally reference all construction and materials to be in accordance with MDOT’s State Aid Specifications. Road Design –

Asphalt Surface Course Hot Bituminous Pavement - Surface Course No.

SC-1, Three Inches (3") Minimum Thickness, MDOT State Aid Specifications. The asphalt will be placed in two (2) lifts of One and One Half Inches (1-1/2”) each. The first lift is required prior to Final Plat Approval. The final lift required to be provided no sooner than 80% of lot buildout. Harrison County Engineering inspection and approval required prior to final lift. If 80% buildout does not occur within the two (2) year warranty period, Developer may elect to extend the Completion Bond or pay cost of final lift to County for overlay at a later date.

Concrete Pavement “…allowed only by special permission by the Board of Supervisors.” Base shall be as listed below.

Base Course Eight (8) inch minimum thickness, crushed

limestone or ten (10) inch crushed concrete, size 610, 10” Cement Treated Base in accordance with the MSHD State Specifications allowed only upon inspection by Harrison County Engineering Representative following grading of base course, Clay Gravel and Mechanically Stabilized Base Courses are not acceptable. Design data for treated bases shall be stamped and signed by P.E. registered in the state of Mississippi and provided to County. Base course shall be proof-rolled in the presence of a Harrison County Engineering Representative.

Subbase Subbase shall be prepared in accordance with MDOT State aid Specifications. Subbase course shall be proof-rolled in the presence of a Harrison County Engineering Representative.

Sidewalks Type I Subdivisions - Required

Type II Subdivisions – Required for lot widths less than 100 feet

Type III – Not Required Curb and Gutter Required for lot widths less than 100 feet

Fire Protection –

Water Main 8” Min. for Lines Supplying Fire Hydrants or 6” if lines are looped or as supported by engineering calculations

Fire Hydrant Max. 500’ from Residences Drainage Design - 25-yr Design Storm Piping of ditches in Type II and III Subdivisions not

allowed unless plans are submitted for review by a Professional Engineer registered in the state of Mississippi. Also, a permit or approval letter by the Mississippi Department of Environmental Quality shall be provided.

Street Lighting- Required for all developments Bonds -

Maintenance 2-yr Completion 2-yr bond for asphalt overlay or (cost of County

annual bid for final aspshalt lift plus 15%)

LAND SUBDIVISION DESIGN SEQUENCE

Revised: 04/24/14 Conceptual Design * Conceptual Layout - Discuss with Zoning and Engineering Departments * Utility Investigation

- Determine if central water and sewer is available and secure “Will Serve” letters. - or - - Constuct Utilities and give to utility franchise holder for operation and maintenance. - or -

- If individual on-site system(s) are preferred, size lots accordingly and seek Mississippi State Department of Health approval.

* Secure Harrison County Zoning approval for proposed development. Application for Subdivision * Complete Subdivision Application and pay associated fee. * Submit Sketch Plat including - Developer’s name - Engineer’s name - Vicinity map - Lot layout - Minimum and typical lot sizes and dimensions - Road widths - Approximate wetland delineation - Typical road section - North arrow - Adjacent road names and right-of-way widths - Potable water wellsand sewage treatment facilities - Drawn to scale * Provide “Will Serve” letter from utility franchise holder for potable water and/or

sanitary sewer or Mississippi State Department of Health approval of lot layout. * Describe proposed water supply and sanitary sewer handling methodology. As a

minimum, this shall describe the following: - Water supply - Sewage collection - Sewage treatment - Effluent discharge method (offsite, onsite, underground absorption, drip field, etc.) * Provide approval from Zoning for proposed development.

Harrison County Engineer will review and, if acceptable recommend to Board of Supervisors for approval. There are typically two meetings per month occuring on the first and second Monday of the month. The Board agenda deadline is Wednesday prior to the meeting for the Engineering Department. All information must be provided one (1) week prior to the agenda deadline for office and field review by the Engineering Department.

Construction Plan Submittal * Submit Construction Plans stamped and signed by a Professional Engineer registered

in the state of Mississippi and include the following information: - Title Sheet

o Project Name o Name, Address, and Contact Number of Developer o Name, Address, and Contact Number and of Engineer o Name, Address, and Contact Number of Surveyor o Vicinity Map o Indexing Data

- Existing Topographical Data o Boundary Information o Existing Road Names and Right-of-Way Widths o Contours o Flood Zones o Wetland Delineation Data o Drainage Outfalls o Existing Utilities o Vicinity Map

- Lot Layout o Boundary Information o Wetland Delineation Data o Lot Dimensions o Lot Sizes o Easements o Centerline Stations and Curve Data o Road Names and Right-of-Way Widths

- Road and Drainage Plan o Lot lines o Road Surfaces and Dimensioning (widths, radii, etc.) o Wetland Delineation Data o Existing and Proposed Drainage System (station, size, slope, inverts, drainage

area, culvert material, etc.)(plastic flared-end-sections are not allowed)

o Detention Pond Details with Controlled Outlet and Emergency Overflow (emergency overflow shall be at an elevation that is lower than the inlet culvert inverts)

o Drainage Flow Arrows o Drainage Outfall and Downstream Information o Easements o Traffic Signage o Road Names and Right-of-Way Widths

- Utility Plan (as applicable) o Lot Lines o Wetland Delineation Data o Existing and Proposed Utilities o Easements o Road Names and Right-of-Way Widths

- Stormwater Pollution Prevention Plan o Wetland Delineation Data o Lot Lines o Drainage Data o Easements o Stormwater Pollution Prevention Controls (location and detail) o Road Names and Right-of-Way Widths

- Road Plan and Profile o Boundary Information o Wetland Delineation Data o Lot Lines o Existing and Proposed Drainage System (station, size, slope, inverts, drainage

area, culvert material, etc.) o Easements o Vertical Curve Data o Original and Proposed Centerline Grades o Road Surfaces (dimensions, radii, etc.) o Road Names and Right-of-Way Widths o Centerline Alignment Stationing o Sewer Lines, Manholes, Air Release Valves, etc. (in plan and profile views) o Stormwater Drainage inlets, culverts, etc. (in plan and profile views)

- Construction Details o Typical Road Cross Section (Include note: Subbase and granular base courses

shall be proof-rolled in the presence of a Harrison County Engineering Representative prior to application of overlying course)

o Cul-de-sac Detail (96’ min. dia. and 40’ min. return radii) o Culvert Bedding Detail o Drainage Structures

- Submit Construction Specifications stamped and signed by a Professional Engineer registered in the state of Mississippi.

- Submit Drainage Calculations stamped and signed by a Professional Engineer registered in the state of Mississippi.

Harrison County Engineer will review and, if acceptable approve for construction. Construction Checks * A pre-construction meeting is required with Developer or Engineer and Contractor

prior to commencement of construction. * Notify Harrison County Engineering for review of any changes to approved project

documents. * Notify Harrison County Engineering when beginning construction. * Notify Harrison County Engineering when beginning drainage construction. - HDPE end sections will not be accepted. - Harrison County Engineering Representative will verify opening widths (per plans)

and heights (5” max). * Notify Harrison County Engineering when beginning curb construction. - Proof roll curb base in the presence of Harrison County Engineering

Representative. - Harrison County Engineering Representative will verify curb width (2’ min.) along

with contraction and expansion joints are in accordance with the approved documents.

* Proof roll subbase in the presence of Harrison County Engineering Representative. - Approval is required prior to application of overlying course.

* Proof roll base in the presence of Harrison County Engineering Representative. - Approval is required prior to application of overlying course. * Periodic inspection of Stormwater Pollution Prevention Controls. - Developer/Contractor is responsible for daily maintenance. The Harrison County Assistant Engineer will be the principal contact for all

inspection/review during the construction phase.

Project Title: ____________________________

Date: ____________________________

Preconstruction Meeting Date: ____________________________

Developer or Representative: ____________________________

Contractor: ____________________________

Harrison County Engineering Representative: ____________________________

Submission of Final Plat - Construction checks must have been performed and approved by Harrison County

Engineering Representative. - Submit a review copy of Final Plat for review including wetland delineation. Upon

direction of Engineering Department, provide a minimum one (1) mylar and one (1) linen copies for recording purposes and three (3) electronic copies in AutoCAD format on CD’s.

- Provide approval letters for constructing potable water and sanitary sewer systems from appropriate state agencies. (Not required for individual on-site systems.)

- Provide 2-year maintenance Bond for all improvements. (A certified check is acceptable but unsecured checks will not be allowed.)

- Provide signed agreement with power company detailing that Developer will pay electric lighting bill for a one (1) year period from the date of Harrison County Board of Supervisors approval.

- Request Final Inspection and complete all punch list items including installation of all street signage; establish stand of grass in disturbed areas or seed, fertilize and mulch with erosion control.

- Provide list of roads with lengths and widths. - Pre-pay filing fee. (Currently $16 for first page and $10 for each add. Page) Harrison County Engineer will review and, if acceptable recommend to Board of

Supervisors for approval. There are typically two meetings per month occuring on the first and second Monday of the month. The Board agenda deadline is Wednesday prior to the meeting for the Engineering Department. All information must be provided one (1) week prior to the agenda deadline for office and field review by the Engineering Department.

GENERAL SUBDIVISION REQUIREMENTS: The sale or exchange of any property between any two parties, regardless of relationship shall be regulated by the Harrison County Land Ordinance. Application Fee: Fifty dollars ($250.00) plus fifty cents ($2.00) per lot MINIMUM IMPROVEMENTS: Our Land Development Regulations generally reference all construction and materials to be in accordance with MDOT’s State Aid Specifications. Road Design –

Asphalt Surface Course Hot Bituminous Pavement - Surface Course No.

SC-1, Three Inches (3") Minimum Thickness, MDOT State Aid Specifications. The asphalt will be placed in two (2) lifts of One and One Half Inches (1-1/2”) each. The first lift is required prior to Final Plat Approval. The final lift required to be provided no sooner than 80% of lot buildout. Harrison County Engineering inspection and approval required prior to final lift. If 80% buildout does not occur within the two (2) year warranty period, Developer may elect to extend the Completion Bond or pay cost of final lift to County for overlay at a later date.

Concrete Pavement “…allowed only by special permission by the Board of Supervisors.” Base shall be as listed below.

Base Course Eight (8) inch minimum thickness, crushed

limestone or ten (10) inch crushed concrete, size 610, 10” Cement Treated Base in accordance with the MSHD State Specifications allowed only upon inspection by Harrison County Engineering Representative following grading of base course, Clay Gravel and Mechanically Stabilized Base Courses are not acceptable. Design data for treated bases shall be stamped and signed by P.E. registered in the state of Mississippi and provided to County. Base course shall be proof-rolled in the presence of a Harrison County Engineering Representative.

Subbase Subbase shall be prepared in accordance with MDOT State aid Specifications. Subbase course shall be proof-rolled in the presence of a Harrison County Engineering Representative.

Sidewalks Type I Subdivisions - Required

Type II Subdivisions – Required for lot widths less than 100 feet

Type III – Not Required Curb and Gutter Required for lot widths less than 100 feet

Fire Protection –

Water Main 8” Min. for Lines Supplying Fire Hydrants or 6” if lines are looped or as supported by engineering calculations

Fire Hydrant Max. 500’ from Residences Drainage Design - 25-yr Design Storm Piping of ditches in Type II and III Subdivisions not

allowed unless plans are submitted for review by a Professional Engineer registered in the state of Mississippi. Also, a permit or approval letter by the Mississippi Department of Environmental Quality shall be provided.

Street Lighting- Required for all developments Bonds -

Maintenance 2-yr Completion 2-yr bond for asphalt overlay or (cost of County

annual bid for final aspshalt lift plus 15%)