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HomeMy WebLinkAboutOrdinance 5431 ORDINANCE NO. 5431 AN ORDINANCE TO AMEND SECTIONS OF CHAPTER 169: PHYSICAL ALTERATION OF LAND AND CHAPTER 170: STORMWATER MANAGEMENT,DRAINAGE AND EROSION CONTROL BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF FAYETTEVILLE,ARKANSAS: Section 1: That the City Council of the City of Fayetteville, Arkansas hereby repeals the following sections or subsections in Chapter 169: Physical Alteration of Land and enacts replacement sections or subsections as shown in Exhibit A: §169.02(A); §169.06(A) and (F)(3) and §169.12. Section 2: That the City Council of the City of Fayetteville, Arkansas hereby repeals the following sections or subsections in Chapter 170: Stormwater Management, Drainage and Erosion Control and enacts replacement sections or subsections as shown in Exhibit B: §170.08(C) and(D); §170.10 (A)(3)and(6) and §170.12(B). PASSED and APPROVED this 16s'day of August, 2011. APPROVED: ATTEST: By- O ELD JORD ayor SONDRA E. SMITH, City Clerk/Treasurer TR U. ;FAYILLE; ....goo � EXHIBIT A TITLE XV'UNIFIED, E\FELOPIVIENT COME CtAPTEFt 1.G : PHYSICAL ALTERAT#ON.O.F LAND , 169.01 INTENT.............................................................................................................................................3 169.02 GENERAL REQUIREMENTS..........................................................................................................3 169.03 PERMITS REQUIRED/EXCEPTIONS.............................................................................................3 169.04 MINIMAL EROSION CONTROL REQUIREMENTS........................................................................4 169.05 ONE-TIME APPROVALS.................................................................................................................5 169.06 LAND ALTERATION REQUIREMENTS.........................................................................................5 169.07 GRADING PLAN SPECIFICATIONS ............................................................................................11 169.08 GRADING PLAN SUBMITTAL......................................................................................................12 169.09 MINOR MODIFICATIONS..............................................................................................................12 169.10 APPROVAL....................................................................................................................................12 169.11 DISCOVERY OF HISTORIC RESOURCES..................................................................................12 169.12 CERTIFICATE OF OCCUPANCY .................................................................................................12 169.13 OWNER RESPONSIBILITY...........................................................................................................13 169.14-169.99 RESERVED.........................................................................................................................13 CD169:1 Fayetteville Code of Ordinances CD169:2 TITLE XV UNIFIED DEVELOPMENT CODE CHAPTER 169: PHYSICAL ALTERATION OF LAND 169.01 Intent 169.03 Permits Required/Exceptions (A) It is the city's intent to safeguard the health, safety, and welfare of Fayetteville citizens by (A) Permit required. No grading, filling, excavation, implementing standards and procedures for the or land alteration of any kind shall take place physical alteration of land. It is not the city's without first obtaining: intent to supersede federal or state regulations such as, but not limited to, the Occupational (1) A grading permit pursuant to this chapter Health&Safety Act. except as specified in §169.03(B); (B) The purpose of this chapter is to control grading, (2) A stormwater management, drainage and clearing, filling, and cutting (or similar activities) erosion control permit(hereinafter referred to which alone or in combination cause landslides, as a"drainage permit')except as specified in flooding, degradation of water quality, erosion §170.03(C)and§170.03(D); and and sedimentation in storm sewer systems and water storage basins. It is also the intent of this (3) An Arkansas Department of Environmental chapter that through the implementation of the Quality Stormwater Construction Permit and guidelines and regulations contained herein, the incorporated Stormwater Pollution existing scenic character and quality of the Prevention Plan, if required by state law. neighborhood and city as a whole not be diminished. (4) A grading permit is required by the City for any development occurring within the (Code 1991,§161.01;Ord.No. 3551,6-4-91;Ord. No.4100, Hillside/Hilltop Overlay District boundaries. If §2 (Ex.A), 6-16-98; Ord. No. 4113, §1, 8-18-98; Ord. 5336, a parcel of land is divided by the 8-3-10) Hillside/Hilltop Overlay District boundary, 169.02 General Requirements then only that portion of land lying within the q boundary is subject to the requirements of this chapter. (A) Protection. Persons engaged in land alteration activities regulated by this chapter shall take (B) Exceptions where no grading permit is required. measures to protect public and private properties Grading permits are not required for the from damage by such activities. Adjacent and following: nearby properties affected by land alterations shall be restored in accordance with the (1) Excavation below finish grade. Excavations requirements of this Chapter. below finished grade for basements, swimming pools, hot tubs, septic systems, (B) Site conditions. Development shall generally retaining walls under 4 feet in height, and conform to the natural contours of the land, like structures authorized by a valid building natural drainage ways, and other existing site permit. conditions. (2) Cemetery graves. Cemetery graves. (C) Adjacent properties. All developments shall be constructed and maintained so that adjacent (3) Refuse disposal. Refuse disposal sites properties are not unreasonably burdened with controlled by other regulations. surface waters as a result of such development. More specifically, new development may not (4) Single-family/duplex. Construction of one unreasonably impede water runoff from higher single-family residence or duplex per lot, not properties nor may it unreasonably channel water located within the 100 year flood plain, the onto lower properties. Hillside/Hilltop Overlay District, or on a slope (D) Restoration. Land, shall be revegetated and 15%or greater. restored as close as practically possible to its (5) Building additions. Building additions of less original conditions so far as to minimize runoff than 2,000 square feet where associated and erosion are concerned. Previously forested land alteration activities are not beyond the areas shall follow the City's Landscape Manual scope of what is necessary to construct said for mitigation of forested areas. addition and are not located within the 100 year flood plain, the Hillside/Hilltop Overlay (Code No. 1991, §161.02; Ord. No. 3551, 6-491; Ord. No. District,or on a slope 15%or greater. 4100, §2(Ex.A), 6-16-98; Ord. No. 4113, §1, 8-18-98; Ord. 4855,4-18-06;Ord.5336,8-3-10) CD169:3 Fayetteville Code of Ordinances (C) Grading permit application and approval. No grading permit shall be issued until the grading (2) Where construction activity will resume on a plan, endorsed by a registered architect, portion of the site within 21 days from when landscape architect, or engineer, is approved by activities ceased, (e.g. the total time period the City Engineer. A separate permit shall be that construction activity is temporarily required for each site; it may cover both ceased is less than 21 days) then excavations and fills. Grading permits may be stabilization measures do not have to be issued jointly for parcels of land that are initiated on that portion of the site by the 141" contiguous, so long as erosion control measures day after construction activity temporarily are in place until project completion. Any ceased. application for a required grading permit under this chapter shall be submitted concurrently with (3) Stabilization practices may include: the application and calculations for a drainage temporary seeding, permanent seeding, permit if such a drainage permit is required by mulching, geotextiles, sod stabilization, §170.03., coordination with Chapter 167. Tree vegetative buffer strips, protection of trees, Preservation and Protection is required. and preservation of mature vegetation and other appropriate measures. See Chapter (D) Permit posted. A copy of the grading permit 167 of the UDC for tree protection cover page shall be posted at or near the street requirements. right-of-way line and shall be clearly visible from the street. (C) Intermittent/perennial streams. No intermittent or perennial stream, including a 25 foot perimeter (Code 1991,§161.03;Ord. No.3551,6-5-91;Ord. No.4100, strip measured from the top of the bank, shall be §2 (Ex. A), 6-16-98; Ord. No. 4113, §1, 8-18-98; Ord. No. graded, developed, channeled, or physically 4313,5-15-01;Ord.4855,4-18-06;Ord.5336,8-3-10) altered unless adequate guarantees are made for 9.04 Minimal Erosion Control erosion and sedimentation control both during 16 16uirements construction and post construction. Likewise, Requirements cuts or fills shall be setback sufficiently from If exempt under 169.03, a grading permit is not intermittent and perennial streams and other required. However, exempt as well as non-exempt stormwater drainage systems to guarantee that activities shall be subject to the following minimal there will be no damage from erosion or erosion and sedimentation control measures. sedimentation. Final erosion and sedimentation control measures shall be approved by the City (A) Natural vegetation. The potential for soil loss Engineer. shall be minimized by retaining natural vegetation wherever possible. Development in the (D) Excavation material. Excavation material shall Hillside/Hilltop Overlay District should comply not be deposited in or so near streams and other with the recommendations of the Hillside/Hilltop stormwater drainage systems where it may be Best Management Practices Manual with regard washed downstream by high water or runoff. All to the retention of natural vegetation on excavation material shall be stabilized Hillside/Hilltops. immediately with erosion control measures. (B) Stabilization. A record of the dates when grading (E) Fording streams. Fording of streams with activities occur, when construction activities construction equipment or other activities which temporarily or permanently cease on a portion of destabilize stream banks shall not be permitted. the site, and when stabilization measures are initiated shall be included in the erosion and (F) Debris, mud, and soil in public streets. Debris, sediment control plan. Except as provided in (1) mud and soil shall not be allowed on public and (2) below, stabilization measures shall be streets but if any debris, mud, or soil from initiated as soon as practicable in portions of the development sites reaches the public street it site where construction activities have shall be immediately removed via sweeping or temporarily or permanently ceased, but in no other methods of physical removal. Debris, mud, case more than 14 days after the construction or soil in the street may not be washed off the activity in that portion of the site has temporarily street or washed into the storm drainage system. or permanently ceased. Storm drainage systems downstream of a development site should be protected from (1) Where the initiation of stabilization measures debris, mud, or sail in the event that debris, mud, by the 141h day after construction activity or soil reaches the drainage system. temporarily or permanently ceases is precluded by snow cover, stabilization (Code 1991,§161.04; Ord. No. 3551,6-5-91;Ord.No.3947, measures shall be initiated as soon as §1, 2-6-96; Ord. No. 4100, §2 (Ex. A), 6-16-98; Ord. No. practicable. 4113,§1,8-18-98;Ord.4855,4-18-06;Ord.5336,8-3-10) CD169:4 TITLE XV UNIFIED DEVELOPMENT CODE 169.05 One-Time Approvals the City Engineer for purposes of assessing safety, stability, and drainage problems: (A) Utilities. Public and private utility organizations (See illustrations). may obtain a one-time approval from the City Engineer for all routine underground electric, (a) Setback from top or toe of cut or fill. water, sewer, natural gas, telephone, or cable Buildings shall be setback from the top facilities. The approval will include a utility or toe of a cut or fill in accordance with organization and its contractors, agents, or Zoning, Chapters 160 through 165; assigns and will be permanent in nature as long Building Regulations, Chapter 173; or as the original approved procedures are followed. the approved grading plan, whichever is greatest. (B) Stockpiling materials. One-time approval may be obtained by public or private entities for the (b) Setbacks from property lines. The stockpiling of fill material, rock, sand, gravel, required setback of retaining walls, cut aggregate, or clay at particular locations, subject slopes, and fill slopes from property to Zoning,Chapters 160 through 165. lines shall be as given in the illustrations. Property lines may be filled (Code 1991,§161.05;Ord. No. 3551,6-4-91;Ord.No.4100, over or cut if a grading plan for the cut §2(Ex.A),6-16-98;Ord.5336,8-3-10) or fill is submitted jointly by the owner of both properties or with written 169.06 Land Alteration Requirements permission from the adjacent property owner and if no utility easements are (A) Applicability. This section shall apply to all land involved. If utility easements are alteration activities, including those that do not involved, approval is required as given require a grading permit. in (c) below in addition to the joint submittal requirement. (B) Requirements vaned. Variances of this chapter's requirements may be approved by the City (c) Setbacks from the edge of an Engineer. The extent to which variations may be easement. The required setback of made will depend on the soil types encountered, retaining wall, cut slopes, and fill slopes planned slopes, planned vegetation, and from the edge of easements shall be as investigative engineering reports. In no case given in the illustrations. Where no shall the City Engineer waive or modify any of the utilities are present in an easement, or minimum erosion control requirements as given where utilities are planned to be in§169.04. relocated, and where such action is approved by all utilities, in writing, then (C) CutorMslopes. easements may fall within a cut or fill section. (1) Finish grade. Cut or fill slopes shall have a finish grade no steeper than 33% (3.00 (d) Setbacks from structures. The required horizontal to 1 vertical), unless otherwise setback of retaining walls, cut slopes, approved by the City Engineer. Land and fill slopes from structures shall be located within the Hillside/Hilltop Overlay as given in the illustrations. If a District may have cut or fill slopes with a structure forms an integral part of the finish grade no steeper than 50% (2.00 retaining wall, then the setbacks do not horizontal to 1 vertical) unless otherwise apply to that structure. approved by the City Engineer. (e) Calculating setbacks. For the purpose (2) Maximum length. The maximum length of of calculating setbacks, any cut or fill any cut or fill slope without a terrace (as section which is on a slope of one to described in 169.06 (D) below) shall be 100 one or greater shall be considered a feet as measured along the ground. The retaining wall. terrace shall be at least six feet(6')wide. (f) Administrative variance. Setbacks from (3) Existing topography. Cut or fill slopes shall easement lines and structures may be be constructed to eliminate sharp angles of varied administratively by the City intersection with the existing terrain and shall Engineer if geotechnical and/or be rounded and contoured to blend with the structural information is provided that in existing topography. the opinion of the City Engineer justifies the variance. (4) Setback requirements. The following setback requirements shall be reviewed by CD169:5 Fayetteville Code of Ordinances (g) Additional information required. The (5) Terraces. Terraces shall be required for fills City Engineer may require further greater than 10 feet in height. It is geotechnical and/or structural recommended that terracing be at a information to show that setbacks maximum ratio of one foot of horizontal greater than those given are not needed terrace for every foot of vertical surface. to protect property, utilities, or the integrity of property lines. (F) Erosion and sedimentation control. (D) Cuts. (1) Permanent improvements. Permanent improvements such as streets, storm (1) Vertical height. Cuts shall be limited to 10 sewers, curb and gutters, and other features feet in vertical height unless information for control of runoff shall be scheduled demonstrating slope stability, erosion coincidental to removing vegetative cover control, and drainage control is provided from the area so that large areas are not left together with a re-vegetation plan. For exposed beyond the capacity of temporary nonsolid rock cuts,terraces shall be required control measures. for cuts greater than 10 feet in height. It is recommended that terracing be at a (2) Phased Construction. The area of maximum ratio of one foot of horizontal disturbance onsite at any one time shall be terrace for every foot of vertical surface. limited to 20 acres. An additional 20 acres (a maximum of 40 acres of disturbance at (2) Maximum vertical cut. In solid rock, as any one time) may be stripped with the determined by geotechnical and engineering permission of the City Engineer in order to data approved by the City Engineer, the balance cut and fill onsite. No additional maximum vertical cut shall be 30 feet. area may be open without the permission of the City Engineer until the previously (3) Fill material. In no case shall a cut be disturbed areas have been temporarily or allowed primarily for the purpose of obtaining permanently stabilized. fill material to a different site, unless the exporting site is located within an extraction (3) Stockpiling of top soil. Top soil may be district. stockpiled and protected for later use on areas requiring landscaping. All storage (E) Fills. piles of soil, dirt or other building materials (e.g. sand) shall be located more than 25 (1) RocksIffil. All imported fill shall be free of feet from a roadway, drainage channel or rocks greater than 12 inches in diameter and stream (from top of bank), wetland, and any detrimental organic material or refuse stormwater facility. The City Engineer may debris. also require top soil stockpiles to be located up to fifty (50) feet from a drainage channel (2) Compaction. Fill shall be placed and or stream, as measured from the top of the compacted as to minimize sliding or erosion bank to the stockpile, for established TMDL of soil. Fill compaction shall equal the water bodies; streams listed on the State compaction of undisturbed, adjacent soil, 303(d) list; an Extraordinary Resource except fills covered by Building Regulations, Water, Ecologically Sensitive Waterbody, Chapter 173, or other structural fills. The and/or Natural and Scenic Waterbody, as City Engineer may require soil tests during defined by Arkansas Pollution Control and compaction work or upon its completion at Ecology Commission Regulation No. 2; the expense of the permittee. and/or any other uses at the discretion of the City Engineer. (3) Grade. Fill shall not be placed on existing slope with a grade steeper than 15% (6.67 Topsoil piles surfaces must be immediately horizontal to 1 vertical) unless keyed into stabilized with appropriate stabilization steps in the existing grade and thoroughly measures. Stabilization practices may stabilized by mechanical compaction. include: temporary seeding (i.e. annual rye or other suitable grass), mulching, and other (4) Vertical height. Fills shall be limited to 10 appropriate measures. Sediment control feet in vertical height unless information measures such as buffer strips, wattles, or demonstrating slope stability, erosion silt fence shall be provided immediately for control, and drainage control is provided stockpiles and remain in place until other together with a re-vegetation plan. stabilization is in place. Stone drain inlets must be protected from potential CD169:6 TITLE XV UNIFIED DEVELOPMENT CODE sedimentation from storage piles by silt Hillside/Hilltop Overlay District shall be fence or other appropriate barriers. planted immediately after the physical alteration of the land with complete and Properly stabilized topsoil stockpiles may be uniform ground cover. Sod, erosion used for sedimentation control, fabric, herbaceous groundcover (in wooded areas), and/or a hydroseed with (4) Existing vegetation. Every means shall be warm season grasses is required. Re- taken to conserve and protect existing vegetation requirements shall be met vegetation. prior to the issuance of a certificate of occupancy. Cut and Fill tie-back slopes (5) Re-vegetation. Re-vegetation shall be shall be re-vegetated with appropriate required to meet the following performance tree species to achieve a minimum of standards (sediment controls shall remain in 25%tree canopy at maturity. place until re-vegetation is established) unless otherwise allowed by the City (6) Plant/water. Plant materials shall be Engineer: watered or irrigated and tended. Where irrigation or regular watering is not available, (a) Topsoil. A minimum of 4 inches of only native or acclimated plant species shall topsoil shall be required to be either be used. If the soil cannot properly sustain existing or installed in areas to be re- vegetation, it must be appropriately vegetated. Any application of topsoil amended. If re-vegetation is not firmly and seeding under the drip line of a tree established and healthy after one year, the should be minimized to 3 inches so as urban forester shall require that it be redone not to damage the trees root system. in part or total. (b) Zero to 10%grade: Re-vegetation shall (7) Plant/terrace bench. Plant materials shall be be a minimum of seeding and mulching. planted along terrace benches. Said Said seeding shall provide complete and plantings shall be spaced as necessary to uniform coverage that minimizes erosion thoroughly stabilize the terrace bench. The and runoff in no more than two growing remainder of the terraced slope shall be re- seasons. vegetated and stabilized according to §169.06(F)(5)above. (c) 10:1 up to 4:1 grade: Re-vegetation shall be a minimum of hydro-seeding (8) Permanent erosion control. The developer with mulch and fertilizer, sod, or shall incorporate permanent erosion control groundcover. Said planting shall features at the earliest practical time. provide complete and uniform coverage Temporary erosion control measures will be in no more than two growing seasons. used to correct conditions that develop during construction that were unforeseen (d) 4:1 to 3:1 grade: The slope shall be during the design stage, that are needed covered with landscape fabric and prior to installation of permanent erosion hydro-seeded with mulch and fertilizer, control features, or that are needed or staked sod, or groundcover. Said temporarily to control erosion that develops planting shall provide complete and during normal construction projects, but are uniform coverage in no more than two not associated with permanent control growing seasons. features on the project. (e) More than 3:1 grade: Any finish grade (G) Undisturbed land requirements. In the over 3:1 shall be stabilized with one or development of residential subdivisions, more of the following: allowable grading of slopes shall be in 1) Retaining walls; accordance with this table. 2) Cribbing with landscape fabric; 3) Terracing with groundcover; 4) Riprap; Average Grade Minimum Undisturbed Area 5) Staked Sod (up to 2:1 slope) 10 to 15 percent 4D ercent If Cribbing, Terracing, or Riprap is used, 15 to 20 percent 50 percent the slope's stability and erodibility must >20 percent 60 percent be equivalent to or better than its predevelopment state. In the development of Large Scale Developments, Large Site Improvement Plans, and lots within the (f) Hillside/Hilltop Overlay District. Re- Hillside Overlay District, the minimum amount of vegetation of lands within the undisturbed land shall equal the percent minimum CD169:7 Fayetteville Cade of Ordinances tree canopy pursuant to§167.04(C). Planned Zoning Districts shall show undisturbed areas, but may be approved by the City Council with lesser percentages of undisturbed area than required above. (H) Required retaining wall and rock cut design. (1) Designlnspection. Any retaining wall more than four feet in height shall be designed by a registered professional engineer, and shall be field inspected by the design engineer. The design engineer shall provide proof of inspection and certify that the wall was constructed in conformance with the design. The City Engineer may require retaining walls less than four feet in height to be designed by a professional engineer. (2) Investigation/report. All proposed rock cuts and any cut or fill 10 feet or greater will require a geotechnical investigation and a formal report submitted by a registered professional engineer qualified to make such investigations. (3) Safety railings. Safety railings may be required on any retaining wall 2.5 feet or higher. The decision as to whether to require safety railing shall be based on potential pedestrian and public access to the retaining wall and applicable building codes. This requirement for safety rails shall also apply to vertical or near vertical rock cuts and to steep (greater than 3:1) cut or fill slopes. (Code 1991,§161.07;Ord.No.3551,6-4-91; Ord.No.4100, §2 (Ex. A), 6-16-98; Ord. No. 4113, §t, 8-18-98; Ord. No. 4855,4-18-06;Ord.5336,8-3-10) CD169:8 TITLE XV UNIFIED DEVELOPMENT CODE L E G E N D NOTES ---------------- EXISTING GROUND 1, WRITTEN PERMISSION FROM ADJACENT PROPERTY OWNER IS REQUIRED TO FILL OR EXCAVATE OVER EXISTING °- PROPERTY OR EASEMENT LINE PROPERTY LINES. PROPOSED GROUND 2. CONSTRUCTION LIMITS INDICATED ARE FOR INITIAL — CONSTRUCTION LIMITS CONSTRUCTION'; RECONSTRUCTION,' OR MAINTENANCE OF THE STRUCTURE IN THE FUTURE. S81 MINIMUM SETBACK FROM PROPERTY LINE DOWNHILL 3. REVIEW-ZONING -&BUILDINGSETBACK REQUIREMENTS, S132 MINIMUM SETBACK FROM PROPERTY LINE UPHILL DEFER TO WHICHEVER MAY BE GREATER. TB TIE BACK 4, MINIMUM SLOPE AND DISTANCE FROM THE STRUCTURE S SLOPE PER STATE BUILDING CODE MUST NOT BE VIOLATED. 'F1 FOUNDATION DOWNHILL 5. REFER TO THE OSHA TECHNICAL.MANUAL SECTION 5 CHAPTER 2 FOR SOIL TYPES AND SLOPE EXCAVATION TO Fz FOUNDATION UPHILL DETERMINE THE LIMITS OF CONSTRUCTION. Cl LIMITS, OF CONSTRUCTION-DOWNHILL Cz LIMITS-OF CONSTRUCTION—UPHILL .Sag. PL S92. PLE ' BELOW PL SBi 1 —_' ' +' �1PL SBL* FILL SLOPE 3 (max) 2' Flatter Than 5:1 8' Greater Than 3-1 Downhill OUT SLOPE Uphill Downhill FILL SLOPE Uphill PL PL PL PL SBL. SB,2 SBg 5132. 5' .C2 .5' 5' - Soe N01B 1 See Nate 1 / _- F2 - _ Ft F2 _ __-----_- C2 Limits of C2=Llmits of Construction Corlstru Ction See Nota, 5: See Note 5 SBI= Ft +5' 'RETAINING WALL SB2= C+5' SBI Fi +5' RETAINING' WALL S82= C+5' Downhill CUT SLOPE Uphill Downhill .FILL SLOPE Uphill PL 313SB2 PL PL PL 561 582 5' C2 5' 5' Cz 1' i6 � :Bea-N'ote 1 - q Ff C2=Limits of C2=111mits of Construction Construction BLOCK RETAINING WALL See Note 5'. See Nate.5 SBi= F1 GUT SLOPE SB2— C+5` SBI— F1 +5' BLOCK RETAINING WALL S82— C+5' Downilll. Downhill PILL SLOPE Uphill. .Uphill CD169:9 Fayetteville Code of Ordinances S62 SB2 Sgt AR to' ss Existing I I 5' Structures SEE BELOW IT ,,, Uphill Uphill SBI* FILL SLOPE ❑ tee 4 5' Flatter Than 3:1 (typ) 10' 3:1 To 2:1 Downhill CUT SLOPE— 4H/3. Greater Than 2:1 EXISTING STRUCTURES FILL. SLOPE— EXISTING STRUCTURES LOPE—EXISTING. .STRUCTURES D=5' For Existing. D=2' For Proposed SB2 s6z C2 D"* C2 5 ' H Fz—� F C =Limits. of See C =Limits of Fj note 4 Construction Construction RETAINING WALL See .Note 5 (tYP) See Note 5. SBi= H*4/3 WITH STRUCTURES SB2= C+5' SBi H*4/3 WITH INING WALL STRU TURES SB2= C+5' Downhill CUT SLOPE Uphill Downhill FILL SLOPE Uphill D=5' For Existing D=2' For Proposed SB2 S62 C2 5' C2 D* TB - _ TB, F' _tel Fi See, C =Limits of note 4 Cy=Limits' of Construction (typ) Construction See Note 5'. See Note 5 SBt= H*4/3 BLOCK RETAINING WALL SB2 C+5' SBi H*4/3 BLOCK RETAINING WALL SB C+5' WITH STRUCTURES WITH STRUCTURES 2 Downhill CUT SLOPE Uphill Downhill FILL SLOPE Uphill CD169:10 TITLE XV UNIFIED DEVELOPMENT CODE 169.07 Grading Plan Specifications (12)Acreagehoning. Total acreage and zoning (A) Grading plan. The applicant shall prepare a classification. grading plan as follows: (13)Surface water. Provisions for collecting and (1) Site plan. Site plan at a scale no smaller discharging surface water. than one inch equals 50 feet, showing property lines; vicinity map; name of owner, (14)Underground utilities. Profiles and cross developer and adjacent property owners. sections of streets, drainage systems, and underground utilities, if they are necessary to (2) Existing grades. Existing grades shall be clarify the grading plan in terms of potential shown with dashed line contours and erosion or runoff, or if the grading on site has proposed grades with solid line contours. the potential of disturbing the utility line. Grading plans shall be required to show both the proposed grade and the undisturbed (15) Treatment of slopes and benches. The area. Contour intervals shall be a maximum method of treatment for all slopes and of two feet. Spot elevations shall be benches shall be indicated. indicated. (16)Natural vegetation preservation. Proposals (3) Designation of grade. Areas with 0 to 10%, for preserving natural vegetation and 10 to 15%, 15 to 20% and more than 20% description of re-vegetation or other grade shall each be identified in a permanent erosion control strategy. distinguishing manner. (17)Runoff/sedimentation. Specification of (4) Identify land to be disturbed. Land areas to measures to control runoff and be disturbed shall be clearly identified. sedimentation during construction indicating what will be used such as straw bales, silt (5) Engineer/architect. Seal of a registered dams, brush check dams, lateral hillside engineer, architect, or landscape architect ditches, catch basins, and the like. certifying that the plan complies with this chapter. (18)Preliminary plat master build-out grading plan. The applicant shall prepare a master (6) Cuts and fills. All cuts and fills, including grading plan to be followed during individual height and slope, shall be clearly shown on lot development to convey runoff to a public the plan. drainage easement or right of way. In addition to the requirements of 169.07 A, the (7) Streets and rights-of-way. Location and following shall be required for individual lot names of all existing or platted streets or drainage design: rights-of-way within or adjacent to tract and location of all utilities and easements within (a) Identify lot lines and conceptual foot or adjacent to the property shall all be print of residence. indicated. (b) Establish the minimum finish floor and (8) Lot/building, etc. identification. The grading adjacent to the residential proposed location of lots, buildings, streets, structure in accordance with Chapter parking lots and parks, playgrounds or green 173 Building Regulations and the space shall be indicated. Also to be Arkansas Fire Prevention Code. indicated is any existing or proposed building within 100 feet of the site. (c) Indicate individual lot drainage with the use of spot elevations and flow arrows. (9) Soil type. Soil types shall be identified according to the Unified Soil Classification (i) The minimum slope of the flow path System. from the top of curb, top bank, or approved drainage inlet to the high (10)Natural features. Location of natural point of the final graded lot shall be features such as drainage ways, ponds, rock at a minimum of 2% for grassed outcroppings, and tree cover. Indication of surfaces. 100 year floodplains as defined by FEMA. (ii) In general, drainage should be (11)Streets and drainage ways. Profiles and routed on the shortest practicable cross sections for proposed streets and flow path to the public right of way drainage ways. or drainage easement. CD169:11