HomeMy WebLinkAboutResponse to Comments 071723
5800 Evergreen Drive | Little Rock, AR 72205 | Phone 501.663.8800 | Facsimile 501.588.0123
www.harborenv.com
Environmental | Safety | Engineering
July 14, 2023
Department of Planning and Development
723 West Markham
Little Rock, Arkansas 72201
RE: Z-6214-A, RESPONSE TO CITY COMMENTS
Madison Heights – Phase IV
Revised PRD (Z6214-A)
North of the intersection of W. 16th Street and Jefferson Street
Dear Ms. Garcia-Stafford:
This letter is in response to the comments received from the City regarding the above
referenced project. Please find the responses as follows:
Development Comments
1. A Cover Letter is required describing the project in detail.
A cover letter was provided in the electronic submission. For your convenience, please
find a copy of the cover letter attached.
2. Will lots be individually sold for single family development?
Yes, lots will be individually sold for single family development.
3. Who will maintain the common park areas?
The Central Arkansas Housing Corporation will maintain the common park areas.
4. Are the proposed streets intended to be public or private?
The proposed streets are intended to be public.
5. How will trash be collected?
Trash is to be collected as typical residential trash by Waste Management.
Central Arkansas Water Comments
1. All Central Arkansas Water requirements in effect at the time of request for water
service must be met.
We will comply.
2. A water main extension will be needed to provide water service to this property.
We agree. A water main extension is presented on the submitted site map.
Ms. Debra Garcia-Stafford Response to Comments City of Little Rock Z-6214-A – Madison Heights Phase IV
July 14, 2023 Application for Revised PRD
Page 2
3. The Little Rock Fire Department needs to evaluate this site to determine whether
additional public and/or private fire hydrant(s) will be required. If additional fire
hydrant(s) are required, they will be installed at the Developer's expense.
We agree and will comply with the Little Rock Fire Department’s determination. The
Developer agrees to install at their expense any additional fire hydrants required.
4. Please submit plans for water facilities and/or fire protection system to Central Arkansas
Water for review. Plan revisions may be required after additional review. Contact
Central Arkansas Water regarding procedures for installation of water facilities and/or
fire service. Approval of plans by the Arkansas Department of Health Engineering
Division and Little Rock Fire Department is required.
Plans will be submitted to the CAW, ADH Engineering Division, and the Little Rock Fire
Department for review and approval.
5. A Capital Investment Charge based on the size of meter connection(s) will apply to this
project in addition to normal charges. This fee will apply to all connections including
metered connections off the private fire system.
We acknowledge this requirement and will comply,
Civil Engineering Review Comments
1. Contact Planning and Development Dept., Engineering Division at 501-371-4817 or at
501-918-5348 for inspections of any work in the public right-of-way prior to placement
of concrete or asphalt or for on-site clarification of requirements prior to commencing
work. Failure to do so can result in removal of any improperly placed concrete or asphalt
at the expense of the owner or contractor.
We will comply.
2. Any work involving one (1) or more acres of disturbed area requires a State of Arkansas
NPDES permit. Contact the Arkansas Department of Environmental Quality, NPDES
branch at 501-682-0744 for applications and information about General Stormwater
Discharge Construction Permit #ARR150000.
We will comply.
3. A grading permit must be obtained prior to initiation of work. Grading permits are issued
by the Planning and Development Dept. at 723 West Markham Street after approval of
sediment and erosion control plans, grading and drainage plans, land survey, drainage
study, and soil loss calculations per City’s stormwater management and drainage
manual. Contact Planning and Development Dept., Engineering Division at 501-371-4817
or at 501-918-5348 or Permits@littlerock.gov to schedule an appointment for issuance
or to answer any questions. Permit cost is based on total project area at $100.00 for the
less than ½ acre, $200.00 for ½ to 1 acre, and $200.00 for the first acre and $100.00 for
each additional acre for project greater than 1 acre.
We will comply.
4. The Department requires three (3) phase sediment and erosion control (SEC) plans to be
submitted for all construction projects showing best management practices (BMPs) for
Ms. Debra Garcia-Stafford Response to Comments City of Little Rock Z-6214-A – Madison Heights Phase IV
July 14, 2023 Application for Revised PRD
Page 3
mitigating sediment runoff and erosion along with vegetation specifications for
temporary and permanent soil stabilization. Phase 1 SEC plans shall show SEC BMPs
during the stripping, clearing, grubbing, and rough grading of the site. Phase 2 SEC plans
shall show SEC BMPs during construction of utilities, buildings, roadway infrastructure
and drainage infrastructure. Phase 3 SEC Plans shall show SEC BMPs for final grading,
seeding, and landscaping of the site.
We will comply.
5. Sediment and Erosion Control plans shall also show the pertinent information as outlined
in ADEQ ARR150000 Permit Part II section A-4-H (1-14) and Part II section A-4-I-2 (A-B).
We will comply.
6. Per City Rev. Code 29-99, stormwater detention for developments is required. Provide
stormwater detention infrastructure to satisfy this requirement.
We will comply.
7. Per City Code 31-89 (5) for a preliminary plat, a storm drainage preliminary analysis is
required showing drainage data for all watercourses entering and leaving the plat
boundaries. The storm drainage analysis shall be prepared in sufficient detail to illustrate
the proposed system’s capability of accommodating storm events as required by the
stormwater management and drainage manual. The preliminary plat shall also show
drainage arrows indicating how drainage arrives at the site and drainage arrows how it
leaves the site post development. Indicate where the storm sewer pipes and curb inlets
are located within the development also. Additionally, provide profile and cross sectional
views of the detention structure outlet/spillway and detention calculations for the 25-
and 100-year storm for the proposed detention pond/structure. Delineation of the
drainage areas pre and post construction with respective discharges via rational method
shall also be shown. The preliminary plat shall also contain all information as outlined in
City Code Sec. 31-89 and 31-90.
Please find attached the storm drainage preliminary analysis and revised preliminary
plat. Detention shall be achieved subsurface with stormwater detention tanks.
8. Per City Code 31-434, a 50% maintenance bond for all street and stormwater
infrastructure constructed within the public right of way shall be submitted to
Department engineering staff prior to recording the final plat. Before the 50%
maintenance bond can be accepted, a contract unit bid price for every street and
stormwater infrastructure construction item within the public right of way shall be
submitted to Department engineering staff for review and approval.
We will comply.
9. Per City Code 31-117, as built stormwater drainage infrastructure information/data shall
be submitted prior to recording of the final plat. This information shall include but not
limited to: pipe inverts, length of pipe, size of pipe, type of pipe, and type of inlets.
We will comply.
10. Per City Rev. Code 31-403 the Department requires street lighting plans to be submitted
to the Department for review and approval before filing and recording of the final plat
for the subdivision. The street lighting plans required shall include conduit and
Ms. Debra Garcia-Stafford Response to Comments City of Little Rock Z-6214-A – Madison Heights Phase IV
July 14, 2023 Application for Revised PRD
Page 4
pull/junction box locations, street luminaire locations and mounting heights, wire sizes,
current photometric data for the proposed fixtures, and subdivision street photometrics
using the proposed fixtures that meet AASHTO Roadway Lighting Design Guide
standards.
We will comply.
11. Department engineering staff is required to perform a final inspection of all street and
stormwater infrastructure construction within the public right of way. City maintenance
of the street and stormwater drainage infrastructure within the public right of way
cannot officially begin until final acceptance by Department engineering staff. This needs
to be completed and accepted by Department engineering staff prior to recording of the
final plat.
We will comply.
12. A drainage study showing all hydrologic calculations for the site and all hydraulic
calculations for the proposed storm sewer pipe system, swales and ditches, detention
ponds, outlet structures, and inlets is required per City’s stormwater management and
drainage manual. For final drainage report, sign, date, and seal the report per AR State
Board of Professional Engineers and Professional Surveyors rules Article 12, Section B (1)
(a). Provide engineer's certification statement saying this drainage report was conducted
by yourself or directly under your supervision and attesting to the accuracy of the
information within this report.
We will comply.
13. Street design standards shall comply with the latest version of the AASHTO A Policy on
Geometric Design of Highways and Streets, City’s Master Street Plan (2018), and City’s
Standard Details for street and drainage facilities improvements (2015).
We will comply.
14. Street stormwater and detention infrastructure design standards shall comply with the
City’s Stormwater Management and Drainage Manual (2016) including City Code
Chapters 29, 30, and 31.
We will comply.
15. Street pavement, sidewalks, curb and gutter, curb inlets, junction boxes, accessible
ramps, and storm sewer infrastructure shall comply with City’s specifications for
construction as outlined in City Code Chapters 30.
We will comply.
Landscape Review Comments - NA
Ms. Debra Garcia-Stafford Response to Comments City of Little Rock Z-6214-A – Madison Heights Phase IV
July 14, 2023 Application for Revised PRD
Page 5
Fire Marshal Review Comments
Maintain Access:
Fire Hydrants
Maintain fire apparatus access roads at fire hydrant locations as per Appendix D of the
2021 Arkansas Fire Prevention Code Vol. 1 Section D103.1 Access road width with a
hydrant. Where a fire hydrant is located on a fire apparatus access road, the minimum
road width shall be 26 feet, exclusive of shoulders.
We will comply.
Dead Ends
Maintain fire apparatus access roads at dead end locations as per Appendix D of the
2021 Arkansas Fire Prevention Code Vol. 1 Section D103.4 Dead Ends. Dead-end fire
apparatus access roads in excess of 150 feet shall be provided with width and
turnaround provisions in accordance with Table D103.4. Requirements for Dead-end fire
apparatus access roads.
We will comply.
Loading
Maintain fire apparatus access road design as per Appendix D of the 2021 Arkansas Fire
Prevention Code Vol. 1 Section D102.1 Access and loading. Facilities, buildings or
portions of buildings hereafter constructed shall be accessible to fire department
apparatus by way of an approved fire apparatus access road with an asphalt, concrete
or other approved driving surface capable of supporting the imposed load of fire
apparatus weighing at least 75,000 pounds.
We will comply.
Fire Hydrants:
Locate Fire Hydrants as per Appendix C of the 2021 Arkansas Fire Prevention Code.
Section C101 – C105, in conjunction with Central Arkansas Water (Daniel Tull 501-377-
1245) and the Little Rock Fire Marshals Office (Capt. Tony Rhodes 501-918-3757, or Fire
Marshal Derek N Ingram 501-918-3756 Number and Distribution of Fire Hydrants as per
Table C105.1.
We will comply.
Little Rock Water Reclamation Authority Review Comments
Submit the wastewater infrastructure plans to LRWRA for review and approval.
We will comply.
Ms. Debra Garcia-Stafford Response to Comments City of Little Rock Z-6214-A – Madison Heights Phase IV
July 14, 2023 Application for Revised PRD
Page 6
Thank you for your continued review of this development application. If further information is
needed, please let me know.
Andrew Rike, P.E.
Enc. Site Plan C100