Marietta › Zoning Ordinance

Division 732 — Required Improvements

current as of 2026-03-11verified current · checked 2026-08-24Officialofficial source ↗7 sections · full chapter

§ 732.01

Monuments

Monuments shall be placed by the applicant on all subdivision boundary lots and block corners, angle points, points of curves in streets and at intermediate points as required by the Public Works Director, and shall meet the following specifications:

A.Subdivision boundary monuments shall be iron pins not less than 12 inches long and one-half (1/2)

inch in diameter, or concrete posts. All monuments shall be set flush with the ground.

B.Lot monuments shall be iron pins not less than 12 inches long and one-half (1/2) inch in diameter set flush with the ground.

C.Where existing monuments have been located and are accurately represented, they may be permitted to remain in position.

(Code 1996, § 7-8-4-12-010; Ord. No. 5575, 6/12/96)

§ 732.02

Street and related improvements

Each applicant shall be required to install, at their own expense, streets and related improvements according to specifications hereinafter provided.

A.Five copies of the street and related improvements plan, showing the seal of the registered professional engineer, surveyor or landscape architect and showing the proposed streets and related improvements system plan and profile as designed in accordance with City standards, shall be submitted to, checked and approved by the Public Works Director prior to installation.

B.All streets shall be cleared, grubbed and graded to the full right-of-way width, except as noted in paragraph (H) below. Finished grades shall be at levels approved by the Public Works Director.

C.Either rolled concrete curbs or integral concrete curbs and gutters, except as noted in paragraph (H)

below, shall be installed on all streets type subject to the discretion of the Public Works Director. This requirement may be waived for detached single family residential districts uses subject to the approval of the Public Works Director.

D.Where integral type curbs and gutters are used, curb break and driveway location shall be according to standards set forth in Division 730.

E.Streets shall be paved to the widths set forth in Division 730, measured back to back of curbs.

F.Sidewalks shall be installed along all streets in accordance to section 732.07.

G.In the absence of any City standard, Georgia State Highway Department Specifications shall govern.

Said specifications are incorporated herein by reference as though fully set forth herein. A copy of said specifications shall be maintained on file with City Clerk for inspection and review by public.

H.In certain cases, as determined by the Public Works Director and approved by the City Council, the applicant may be required to pave and otherwise improve a portion of existing roadway or access point in order to insure proper access to the proposed subdivision or development.

(Code 1996, § 7-8-4-12-020; Ord. No. 5575, 6/12/96)

§ 732.03

Sanitary sewers

Connection to the public sanitary sewer system is required. Connection design review and authorization shall be coordinated through the appropriate governing utility (Marietta Water or Cobb County Water System). If the governing utility determines that public sewer service is unavailable, an exemption may be considered in special circumstances, subject to approval by the utility and the Cobb County Board of Health.

(Code 1996, § 7-8-4-12-030; Ord. No. 5575, 6/12/96; 20260121 3/11/26)

§ 732.04

Storm drainage

The applicant shall pay the cost of, or guarantee payment for, the cost of the storm drainage system in a manner suitable to the City of Marietta, prior to said installation. The storm drainage system may be included in the sanitary sewer plan for subdivision, provided the two systems are kept separate.

A.Five copies of the plans of the storm drainage system of the subdivision shall be submitted to, checked and approved by the Public Works Director prior to installation. Said system shall be designed in accordance with City standards.

B.The size, location, and length of all surface drainage pipe or structures shall be shown on final plans and shall be subject to the approval of the public works department. Storm drain pipes 42 inches and smaller carrying storm water from the street of adjacent property between or through lots shall be extended at least 60 feet behind the building line and in no case shall be allowed to be discharged at a point where the water would cause damage to any existing or future structure. All cross drain pipes and pipes under the roadway and shoulder shall be either asphalt coated corrugated metal pipe invert paved (paved invert required only on running streams) or reinforced concrete pipe of such gauge and strength according to the height of fill as specified by the state highway specifications.

C.Installation, backfilling and compaction shall be in accordance with the state highway specifications.

All pipes shall have minimum cover of one foot and headwalls or inlet basins constructed at end of pipes. No concrete block headwalls shall be permitted.

D.The design of drainage structures shall be based on Talbot’s Formula, a minimum constant of 0.8 shall be used, the design drainage area and constant shall be shown on the final plat for each pipe or culvert opening.

E.In special cases where it is the desire of the subdivision developer or owner to leave running streams open for aesthetic purposes, this may be permitted upon approval by the Public Works Director.

Whenever open streams are permitted such streams shall retain their natural design characteristics and be maintained in a manner that they do not present a maintenance problem to the city and that they do not present a hazard to life and safety.

(Code 1996, § 7-8-4-12-040; Ord. No. 5575, 6/12/96; Ord. No. 5926, 11/11/98)

§ 732.05

Water supply system

Each lot or other site in a subdivision shall be connected to a public water supply system by lines of sufficient size to accommodate the anticipated water demand for domestic and fire fighting purposes.

A.Fire hydrants in residential subdivisions shall be no more than 400 feet from the center of the lot at the building line (distance shall be measured along hose lay). Non-residential subdivisions shall have fire hydrants no more than 500 feet apart. Lot service connections shall be stubbed in so that there will be no necessity for cutting into any pavement in order to make any future connections. The applicant shall pay the cost of, or guarantee payment for the cost of the water supply system, in a manner suitable to the City of Marietta.

B.Five copies of the plan of the water supply system of the subdivision, showing the seal of a registered professional engineer, surveyor or landscape architect, shall be submitted to, checked and approved by the Public Works Director prior to installation. Said system shall be designed in accordance with the City standards.

(Code 1996, § 7-8-4-12-050; Ord. No. 5575, 6/12/96)

§ 732.06

Coordination of installation

All underground work such as sewers and water lines shall be installed and earth backfill compacted before street pavement is laid.

(Code 1996, § 7-8-4-12-060; Ord. No. 5575, 6/12/96)

§ 732.07

Sidewalks

All sidewalks installed within the public right-of-way shall comply with this code section. No applicant shall install sidewalks within City right-of-way without first submitting a plan and obtaining approval from the Public Works Director.

A.The sidewalk design shall be included with the street and related improvements plan submitted to the Public Works Director.

B.The sidewalk shall be designed and constructed to conform to the City standards and the Minimum Standards For Public Sidewalks published in the most recent edition of the American With Disabilities Act (ADA) Accessibility Guidelines For Buildings and Facilities. Whenever the City standards conflict with the ADA Minimum Requirements the more restrictive shall apply. Sidewalk design standards shall include, but are not limited to:

1.Sidewalk dimensions, grades and cross slopes.

2.Location within roadway shoulders.

3.Curb ramp details.

4.Passing space details.

5.Surface textures.

C.Sidewalks along streets and public improvements shall be a minimum of 5 feet wide; all other sidewalks may be a minimum width of 4 feet wide. Wider sidewalks may be required as directed by the Public Works Director or Development Services Director in areas where heavy pedestrian traffic is encouraged or anticipated.

(Code 1996, 7-8-4-12-070; Ord. No. 5575, 6/12/96; Ord. No. 7575, 3/7/12)