HomeMy WebLinkAbout050220031225 Main Street E] Sebastian, Florida 32958
Telephone (772) 589-5330 13 Fax (772) 589-5570
City Council Information Letter
May 2, 2003
Preliminary En.qineerin.q Report
Louisiana Avenue Area Improvement Pro.qram
As previously reported, WCG Engineers and Planners, Inc. were recently
directed to compile a report in an effort to outline specific tasks to
accommodate and govern the Louisiana Avenue Area Improvement
Program. I am therefore pleased to provide each of you with copies of a
respective preliminary engineering statement that addresses enhancement
options accordingly. The report therefore includes both one way and two
way typical roadway sections, as direction regarding which dynamic to be
implemented may be initiated during both next Wednesday's Citizens
Advisory Task Force meeting, as well as at your next regular session
scheduled to take place May 14th. AS such, city administration will soon
enjoy the ability to solicit proposals from interested contractor firms to begin
construction in the coming weeks.
Parks and Recreation Advisory Committee Workshop Ideas
Parks and Recreation Superintendent Chris McCarthy was industrious
enough to compile the attached synopsis referencing ideas communicated
during Monday's Parks and Recreation Advisory Committee Meeting
Workshop concerning the 2003/2004 Parks and Recreation Development
Plan. I realize that some of you were in attendance and was therefore able
to listen to some of the commentary offered. However, for those of us who
were not able to participate in the meeting, it appears evident that the City of
Sebastian will be able to implement most of the suggestions as referenced
in the summary. However, the prospect of a public dog park remains to be
a challenge, as residents who attended the meeting expressed an interest to
construct a five-acre facility with a pond for this purpose. Unfortunately, staff
is not yet in position to offer recommendations relative to a location for a dog
City Council Information Letter
May 2, 2003
Page 2
park of this size and/or scope. Opportunities for additional clarification
and/or direction may become possible in the near future, as the committee
will meet again Monday May 12th in an effort to compile a formal report to be
offered to City Council soon thereafter.
Resolution of Environmental Issues Concerning the Former
Cavcorp Property
Last year, I informed City Council of the Florida Department of
Environmental Protection's (FDEP) plans to further investigate the possibility
of previously buried fuel tanks having caused leaks and other contamination
problems to the former CAVCORP property currently owned and operated
by the City of Sebastian to facilitate waterfront public parking. My office
recently received the attached letter from FDEP officially notifying that a No
Further Action Proposal has been approved, therefore alleviating concerns
about environmental problems at the site. A Site Rehabilitation Completion
Order (SRCO - the action that formally and officially closes the file regarding
this matter) will therefore be issued to the City of Sebastian after a well
abandonment report is prepared and submitted to FDEP. Arrangements to
accomplish this task will therefore.~be facilitated by the Department of
Public Works, in conjunction with Foster Wheeler Environmental, Inc. (the
firm initially commissioned by FDEP to resolve this matter) in the coming
weeks. Once the SRCO is issued, the City will be in position to initiate
enhancements to the property as deemed appropriate, including better-
organized parking and respective landscaping activities.
Addition to Sebastian Police Department K-9 Unit
As a result of the Sebastian Police Department's successful fundraising
campaign to establish a K-9 unit in the community, more dollars became
available well above and beyond the initial $11,000 donated. An additional
$3,050 was recently received to help expand the program, resulting in the
ability to purchase a second police dog to fully support and administer the
unit. The attached synopsis of the benefits and successes of administering
a K-9 program in Sebastian was compiled by Chief Jim Davis. Specific
references include assistance to date with the capture of a fleeing criminal
suspect, as well as yielding several drug related arrest~. As such, my office
recently authorized the purchase of a second German Shepard to join
Rocky in both crime fighting and community relations activities. He/she is to
City Council Information Letter
May 2, 2003
Page 3
be delivered to the Sebastian Police Station in the next few weeks. A formal
public introduction of this second edition to the K-9 unit is therefore
anticipated to take place during an upcoming regular City Council meeting.
Ancillary Traffic SiRna.qe Installation Criteria
As state and federal guidelines relative to traffic engineering dynamics have
been revised in recent years to give local governments more flexibility to
install instructional and directional signage on municipal thoroughfares (per
previous reports), please be advised that the City of Sebastian is
continuously working to update and expand methodologies associated with
installation and/or removal of traffic signs in the community. As referenced
in the attached memorandum compiled and delivered by David Fisher, no
additional traffic signs (including STOP signs) will be installed nor removed
unless and until the Department of Engineering and Sebastian Police
Department has performed a two-week traffic count/survey at respective
subject locations. This process will become effective within the next few
weeks, as traffic counting hardware and software has recently been ordered
to help facilitate assessments accordingly. Staff estimates that this revised
evaluation process, from time of citizen(s) inquiry/petition and any alteration
of traffic control signage (including resulting STOP sign installations) will
take at least 4 to 6 weeks. Although the Department of Transportation
Manual on Uniform Traffic Control Devices (MUTCO) does not require or
even suggest the incorporation of such methodologies, the consensus to
implement such practices are appropriate due to the high demand and
popularity of additional signage in various neighborhoods. Meanwhile, other
than at Indian River Drive and Jackson Street, existing STOP signs are not
to be removed unless clear and compelling reasons exist to do so.
Enclosure(s):
Personal Copies - Preliminary Engineering Report for Louisiana Avenue Area Improvement Program
Synopsis of April 28, 2003 Parks and Recreation Advisory Committee Meeting
Letter from FDEP - Former CAVCORP Property No Further Action Proposal
Synopsis of Sebastian Police Department K-9 Program
Memorandum from David Fisher- Expanded Traffic Signage Evaluation and Methodology
My Documents/InfoLetter174
CJI'/0[
HOME OF PELICAN ISLAND
1225MAIN STREET *,SEBASTIAN, FLORI'DA 32958
TELEPHONE: (772) 589-5330 · FAX (772) 589-5570
NOTES FROM APRIL 28, 2003 PARKS & REC.
PUBLIC INPUT MEETING
DOG PARK
Dogs would run loose in park. Owners will be responsible for waste disposal. Area would
need a perimeter fence. Install apparatuses for agility drills and exercise. Something so
dogs could get a drink of water. Ms. Graves said she collected 150 signatures in one day
supporting a dog park: Ms. Graves also stated 5 acres with a pond would be ideal for
park. Residents had concerns about location, noise issues, and sponsorship of park and
should we charge fee to use.
MUNICII)AL COMPLEX pARK
Resident would like to see shuffleboard courts in this park or anywhere in city. New
tennis courts well received but would like soi~ courts. Resident suggested 12 new courts.
BRYANT COURT PARK
New park very well received for everything planned except the basketball court.
Residents would like to see exercise stations alqng walking trail and split playgrounds for
two different age groups.
SCHUMANN LAKE
Resident would like landscape buffer on each end of parking area to shield houses. Some
suggestions include a gate out to island, conceal trash receptacles, benches and low-level
lighting.
RIVERVIEW PARK IMPROVEMENTS
Resident would like area to launch canoes and kayaks. Everyone liked the band shell idea
and said Fort Pierce has a nice one we should look at. Resident asked for lights on
volleyball court and another court.
"An Equal Opportunity Employer"
Celebrating Our 75th Anniversary
C.J?/0[
HOME OF PELICAN ISLAND
1225 MAIN STREET ~SEBASTIAN, FLORI'~)A 32958
TELEPHONE: (772) 589-5330 ,, FAX (772) 589-5570
NOTE FROM PARKS & REC. PUBLIC INPUT
MEETING ON APRIL 28, 2003 CONTINUED
EASY STREET PARK
Residents would like to see fountain in the lake and landscaping along walkways leading
into park.
BLOSSOM PARK
Resident would like park better maintained now and when developed.
KEEN AND SOUTH WlMBROW PARK
No resident commented on this park.
OTHER ISSUES RAISED DURING MEETING
Mr. Wolf said not one more restroom should be buik until the three new ones are
working. He also said new parks are great but we should take better care of existing
parks.
Mr. Neglia suggested adult education classes at Community Center such as ceramics and
painting.
Resident asked for signage at parks with name of playground and phone numbers of non-
emergency police and Parks Division.
Resident asked for improved parking at Community Center such as stop signs and
designated entrances and exits.
Resident asked for fenced in area with a small playground at the Community Center.
Resident raised some concerns about the trail at Hardee Park that we corrected the next
day.
"An Equal Opportunity Employer"
Celebrating Our 75th Anniversary
Department of .
Environmental Protection
Jeb Bush
Governor
Twin Towers Office Building
2600 Blair Stone Road
Tallahassee, Florida 32399-2400
April 24, 2003
David B. Struhs
Secretary
Gregory New
Tetra Tech FW
759 S Federal Hwy, Suite 100
Stuart, FL 34994
Subject:
Provisional No Further Action Proposal Approval
Former Cav Corporation
Sebastian Blvd & Indian River Dr
Sebastian, Indian River County
FDEP Facility ID# 319101915
Dear Mr. New:
The Bureau of Petroleum Storage Systems has reviewed the Site Assessment Report dated April
11, 2003 (received April 15, 2003) and the No Further Action Proposal (NFAP) dated April 11,
2003 .(received April 15, 2003) submitted for the dischargeindicated on the Abandoned Tank
Restoration Project Application Form dated January 24, 1991 for this site. Documentation
submitted with the NFAP confirms that criteria set forth in Rule 62-770.680 Florida
Administrative Code (F.A.C.) have been met. As such, the NFAP has been approved. Before
the Site Rehabilitation Completion Order (SRCO) for this site can be issued, all on-site
monitoring wells (excluding compliance wells) have to be properly abandoned. However, based
on the December 19, 2002 "Revised Interim Petroleum Preapproval Program Operating
Procedures for Balance of FY 02/03" and the discharge score of 31, the well abandonment will
be postponed until funding is available unless the owner chooses to close the monitoring wells at
his own expense using a state certified contractor.
Remember that this site is not yet approyed for No Further Action. In order for the Florida
Department of Environmental Protection (FDEP) to issue the SRCO, a well abandonment rePort
will need to be prepared and submitted. After the FDEP receives and approves the well
abandonment report, the SRCO will be issued.
NFAP Approval Provisional
"More Protection, Less Process"
Visit Our Internet Site At: www.dep.state.fl.uslwastelcategorieslpcpldefault.htm
Printed on recycled po/3er.
01-13-03
Gregory New
April 24, 2003
Page two
If you have any questions concerning the review of the NFAP, please contact me at (850) 245-
8880 or at the letterhead address, Mail Station 4545.
Ben Shulaw
· Petroleum Cleanup Section 2
Bureau of Petroleum Storage Systems
b enj amin. shulaw~dep, state, fl. us
cc: Terry Hill, 1225 Main St, Sebastian FL 32958
Rebecca Lockenbach, FDEP, PCS2
0%13-03
NFAP Approval Provisional
Department of .
Environmental Protection
Jeb Bush
Governor
Twin Towers Office Building
2600 Blair Stone Road
Tallahassee, Flodda 32399-2400
April 24, 2003
David B. Struhs
Secretary
Gregory New
Tetra Tech FW
759 South Federal Highway, Suite 100
Smart, Florida 34994-2936
sUbject:
Site Assessment Deliverable Review
Former Cay Corp.
Sebastian Blvd & Indian River Dr
Sebastian, Indian River County
FDEP Facility ID# 319101915
Task Assignment # GC579-005A
Dear Mr. New:
The Bureau of Petroleum Storage Systems has reviewed the SAR dated April 11, 2003 (received
April 15, 2003) submitted for this facility. Eight of nine water samples from permanent wells
were taken before purge completion parameters had been met, in the future please follow '
sampling protocol as set forth in DEP-$OP-O01/O! F$2200 Groundwater Sampling. The report is
never the less acceptable and demonstrates that the work outlined in Task Assignment #GC579-
005A was satisfactorily performed.
If you should have any questions, please contact me at 850-245-8880 or at the letterhead address,
Mail Station 4545. ~
Reviewed by: ,f d'~',~, ,GEt,,- ~'~' Sincerely,
rof ssio /
,.X /
retrolem
Date / /
Ben Shulaw
Petroleum Cleanup Section 2
BUreau of Petroleum Storage Systems
Email: benjamin, shulaw~dep.state.fl.us
cc: Rebecca Lockenbach, DEP, PCS2
Terry Hill, 1225 Main St, Sebastian, FL 32958
COVER_WO.DOC
"ProtecL Conserve and Manage Florida's Environment and Natural Resources"
Visit Our Internet Site At: www.dep.state.fl.usldwmlbureauslbpss.htm
P~Jnted on recycled paper.
rev 12/99
Sebastian Police Department
1201 Main Street
Sebastian, Florida, 32958
772-589-$233 Fax 772-388 1872 e-mail spd@cityofsebastian.org
James Davis, Chief of Police
K-9 PROGRAM
In May 2002, two elementary school students came to the Police Department
with $50.00 that had been donated by their schoolmates. The donations were
made to purchase a bulletproof vest for our K-9. When it was explained to the
students that we did not have a K-9, they asked if we could use their money to
help purchase one.
We had planned on adding a K-9 to the Police Department with a fund raising
campaign through the local service clubs beginning in the fall of 2002. The early
donation kicked our campaign off in May. By October we had received almost
$11,000 in donations. Our estimated cost for starting a K-9 unit was about
$10,000.
We were able to purchase a partially trained, 22 month old, German Shepard
for $4,300. Other associated start-up costs and a budget for fiscal year
2002/2003 encumbered about $8,000 of the original $11,000 that was donated.
The dog and handler completed their training in February 2003 and so far
has been credited with the capture of a fleeing suspect, the tracking and
apprehension of three burglary suspects, several drug arrests and has
participated in a number of community relation programs where residents came
out to see the K-9 go through some of its exhibition exercises.
It was clear to me that with the favorable reception of the first K-9, the
addition of a second K-9 would be of benefit to the department by having a K-9
available seven days a week and having a stand-by schedule worked out for off-
hours making the availability of the dogs almost 24 hours a day, seven days a
week.
We still had $2,000 available to us from the first fundraiser and a list of
donors that wanted to donate money if we ever decided to get a second dog.
Two of the donors were contacted, resulting in us receiving $3,050.
The second dog cost $3,600. The Oceola County Sheriff's Office has offered
training at no cost, a surplus vehicle cage and door opener was donated by the
Vero Beach Police Department and a surplus dog house and kennel was donated
by the !ndian River County Sheriff's Office.
A proposal to obtain the second K-9 was made to the City IVlanager. After
determining that every thing was in order and that funds existed, the City
Manager approved the purchase of the second dog.
The dog and his handler, Officer Robert Kyzer are currently undergoing
certification training and should be street ready by .~uly 7, 2003.
The K-9 Teams will work four ten hour days and overlap on Wednesdays for
additional on-going training. ! believe we will be very proud of our K-9 Units as
they become more experienced and our Officers get accustomed to working
more cases with the dogs.
Draft: Traffic Signage Methodology
30 April 03 / D. Fisher
Page I of 2
Memorandum
Date:
To:
From:
Copy:
Re:
30 April 03
Terrence Moore, City Manager
Jim Davis, Chief of Police
Dave Fisher, City Engineer
Brian Grzesiak, Engineering Department - Sign Shop
Traffic Signs - Methodology for Installation and/or Removal
Further to our STOP sign memo dated 17 April 03 and subsequent email correspondence,
following is a suggested outline of methodology for installing and/or removing any traffic control
signs within the City of Sebastian. This is for your consideration and comment. Following any
further review and final consensus among the City Manager's office, the Engineering Department,
and the Police Department, this methodology should become the operational policy for the City in
traffic signage matters.
We will neither install nor remove any traffic control signs, including STOP signs, unless and
until we have done at least a 2-week traffic count / survey at the subject location plus site visits
by both Engineering and the Police Department plus a subsequent review meeting to reach a
consensus between Engineering and PD as to whether altered traffic control signage is
warranted in view of the survey / study findings. We estimate the methodology and process
between any citizen inquiry and any alteration of any traffic control signage, including STOP
signs, will take at least 4 to 6 weeks. This timeline can, of course, be expedited if considered
to be an emergency situation.
We will "calibrate" the new traffic survey software and hardware upgrade at selected (but
unannounced) locations to establish some local "baselines" for reference.
We agree that it is dangerous (hazardous to public safety) to remove any existing traffic control
signage (especially STOP signs) once they have been installed and in use. Further, the
operational presumption is to no__~t remove any existing STOP signs without clear and
convincing reasons to do so.
The participants in the review meetings regarding traffic control signage will be, at a minimum,
from both the Engineering Department and the City of Sebastian Police Department. Any
consensus reached will be only after review of the following aspects relating to the particular
traffic signage matter:
· The nature and number of the original request(s) / complaint(s);
· Notes from the field visit(s);
· Review of accident / incident records for the subject area;
· Review of the results of any traffic count(s) / survey(s) done at the location;
· Input from the Police Department regarding enforcement considerations;
· Discussion regarding traffic survey, bicycle and pedestrian usage, and enforcement
resources;
· Review for general consistency with MUTCD (Manual on Uniform Traffic Control
Devices) guidelines; and
· Conclusions reached regarding the impact on public safety.
Draft: Traffic Signage Methodology
30 April 03 / D. Fisher
Page 2 of 2
The role of the MUTCD in the decision-making process is, by itself, not to be considered
determinative of the issue. It is to be used as a guideline only and its statements regarding
suggested norms should be weighed for consistency with other factors more heavily
dependent on our own local conditions.
A key feature of the outlined decision-making process is reaching a consensus of agreement
between the Engineering Department and the Police Department. If both agree, that should be
determinative. However, when there is an unresolved difference of final opinion between the
Engineering Department and the Police Department, the matter should be referred to the City
Manager for final determination.
Please review and advise any comments or questions further to adoption of this outline (revised as
necessary) as operational policy.
Thanks.
-- Dave Fisher
PRELIMINARY ENGINEERING REPORT
FOR
LOUISIANA AVENUE
FROM C.R. 512 TO MAIN STREET
PREPARED FOR
CITY OF SEBASTIAN, FLORIDA
HOMF., OF PELI~dq ISLAND
PREPARED BY:
(:ngineers · Planners · Architects · Ecologists · Survegors
WCG J N(-'~L-CiCHAFF(:R, Inc.
P14=; 14th Avenue. Suite ;=4
Veto Beach, Florida
Phone: (77;=) 770-4707 Fax: (77'~) 770-4640
APRIL 2003
PRELIMINARY ENGINEERING REPORT
LOUISIANA A VENUE IMPROVEMENTS
FROM C.R. 512 TO MAIN STREET
1.0
2.0
3.0
4.0
5.0
6.0
TABLE OF CONTENTS
INTRODUCTION .......................................................................................... 1
EXISTING CONDITIONS ............................................................................ 1
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
Location ........................................................................... 1
Topography ........................................................................................... 2
Soils ....................................................................................................... 2
Land Use and Zoning ............................................................................ 3
Hydrologic Conditions .......................................................................... 3
Utilities .................................................................................................. 3
Roadway Characteristics ....................................................................... 4
2.7.1 Horizontal / Vertical Alignment .................................................. 4
2.7.2 Intersections ................................................................................ 5
Right-of-Way Conditions ...................................................................... 5
PROPOSED IMPROVEMENTS ..................................................................... 6
3.1
3.2
3.3
3.4
3.5
Limiting Design Criteria ....................................................................... 6
Right-of-Way Acquisition ....................................................................... 6
Horizontal / Vertical Alignment .............................................................. 7
(Two-Way Traffic) Typical Roadway Section ........................................ 8
(One-Way Traffic) Typical Roadway Section ........................................ 8
STORMWATER MANAGEMENT ................................................................ 8
4.1
4.2
Stormwater Methodology ........................................................................ 8
Stormwater Collection and Management ................................................ 10
COST ESTIMATES .......................................................................................... 11
RECOMMENDATIONS .................................................................................. 12
ii
PRELIMINARY ENGINEERING REPORT
LOUISIANA A VENUE IMPROVEMENTS
FROM C.R. 512 TO MAIN STREET
TABLE OF CONTENTS CONTINUED
LIST OF FIGURES
VICINITY MAP ....................................................................................... 1
SOILS MAP ............................................................................................. 2
FEMA 100 YEAR FLOODPLAIN MAP ........................................................... 3
(TWO-WAY TRAFFIC) TYPICAL SECTION ................................................. 4
(ONE-WAY TRAFFIC) TYPICAL SECTION ................................................. 4
LIST OF EXHIBITS
RIGHT OF WAY ACQUISITION MAP ........................................ EX. 1 THRU EX. 3
PROPOSED ROADWAY ALIGNMENT ...................................... EX. 4 THRU EX. 6
111
1.0 INTRODUCTION
The City of Sebastian Engineering Department (the "City") authorized WCG, Inc. (the
"Consultant") to provide survey, preliminary engineering, final design, and construction
administration services for the Louisiana Avenue improvements between County Road 512 and
Main Street. The Louisiana Avenue corridor travels north and south and serves as a minor
collector between C.R. 512 and Main Street. The project section of Louisiana Avenue is
approximately 2,550 +/- feet in length, and the roadway is currently a narrow two-lane roadway
intersecting five (5) local streets and thirty-three (33) residential and commercial driveways
along, the route.
The City's objective is to improve its roadway network in order to serve the interests of local
residents. The City has retained WCG, Inc. to evaluate the present roadway conditions and
develop improvements for Louisiana Avenue between C.R. 512 and Main Street. This
Preliminary Engineering Report includes; evaluating existing conditions, review Right-of- Way
(R/W) requirements, analyze proposed improvements for roadway alignment and sections,
evaluate stormwater management, and present cost comparisons of the alternatives. The
evaluations and recommendations will be based on concepts of prudent and feasible engineering
design with proper recognition of the goals and objectives expressed by the City of Sebastian.
2.0 EXISTING CONDITIONS
2.1 LOCATION
The project is located in Section 6, Township 31S, and Range 39E in Indian River County,
Florida. The location and limits of the study area and its relationship to other major
transportation corridors is shown in Figure 1.
~go
Cross St
Palmatto Av~
/ TalkO
PROJECT --' .
LOCATION
'Val~nc ia St
King St
Tangelo
C;alarnond ifi~st
WCG/NEEL-SCHAFFER, Inc
WCG 214514th Ave., suite 24
veto Beach, Florida 32960
561-770.4707 (fax) 561-770-4640
I~ NEEL~SCHAFFER www. wcgl.com
CA9582
VICINITY
LOUISIANA
SEBASTIAN,
mAP
AVENUE
FLORIDA
PROJ. NO. 02108~.01
FIGURE: 1
2.2 TOPOGRAPHY
The project corridor lies in an area of the City of Sebastian that is both residential and
commercial. The existing topography ranges in elevation from 19.0 feet to 30.0 feet National
Geodetic Vertical Datum of 1929 (NGVD). Louisiana Ave. is a paved road, but has numerous
cracks and spalls throughout the pavement. The edge of pavement varies in width and is not
clearly defined. There are both commercial and residential driveways intersecting Louisiana
Avenue. Most of the residential driveways are composed of dirt, with the exception of a few
gravel and paved driveways.
Based on existing vertical geometry of Louisiana Avenue, stormwater runoff flows south to C.R.
512 from a high point located just north of Foster Road. In addition, runoff collects at a low
point approximately midway between Foster Road and Palmetto Avenue. An existing second
high point located just south of Palmetto Avenue that allows runoff to travel to a low point
between Main Street and Palmetto Avenue.
2.3 SOILS
In review of the USDA Soil Conservation Service Soil SurVey of Indian River County, Florida
(1987), the report indicates that the southern half and the northern tip of the project consists of
Astatula sand type soil. This soil type is nearly level to gently sloping and is excessively
drained, with very rapid permeability. The surficial soil is typically grayish brown sand
approximately four (4) inches thick and is underlain by brown sand with few medium and course
roots. The subsoil is composed of brownish-yellow to strong brown sand to a depth of eighty
(80) inches. This soil has no water table within a depth of six (6) feet throughout the year. The
AASHTO classification for Astatula sand is A-3, which indicates acceptability for road
construction. A detailed subsurface investigation will be performed at a later date.
The northeastern part of the project consists of a section of St. Lucie sand. This soil type is
typically deep, nearly level to sloping, and excessively drained. The surficial soil is typically
gray sand to a depth of three (3) inches. The subsoil is composed of white sand to a depth of
eighty (80) inches or more. This soil also has a water table at a depth of more than 72 inches.
The AASHTO classification for Astatula sand is A-3, which indicates their acceptability for road
construction. A soils map is shown on Figure 2. A detailed geotechnical subsurface
investigation will be performed at a later date.
2.4 LAND USE AND ZONING
Louisiana Avenue lies in a developed urban corridor with mixed residential and commercial
zoning.
2.5 HYDROLOGIC CONDITIONS
No existing drainage facilities exist along Louisiana Avenue. However, three separate collection
points exist due to the natural topography of the roadway. Stormwater runoff generated just
north of Foster Road will travel south to C.R. 512 where existing ditch bottom inlets collect and
convey stormwater into a County drainage system along C.R. 512. Stormwater runoff generated
between Palmetto Avenue and Foster Road collects at a low point located near a City owned
open storage facility. The runoff between Main Street and Palmetto Avenue collects in a low
point just north of Palmetto Avenue.
Based on the well-drained soil types and land use cover, the existing runoff curve number shall
range between 50 and 60, which is relatively low. The existing travel time or time of
concentration of stormwater runoff, which is defined as the time required for runoff from the
furthest point of distance in the watershed to reach the point of discharge, will be approximately
20 to 30 minutes. Detailed drainage information will be provided in later sections.
2.6 UTILITIES
The project corridor contains utilities, which may affect the placement of the drainage system
and or other roadway construction. Information fi.om the utility companies indicates that
underground water and sewer lines, underground and aerial cable facilities, overhead power and
underground telephone facilities are located within the existing R/W. A determination as to the
SOILS LEGEND
~ ~¢~p~U~I~,)SANB - NEA,LY LEVEL TO SLOPING ~ ASTATU,~,,~AND(TYPE - NEARLY LEVEL
REF. SCS SOIL SURVEY OF INDIAN RIVER COUNTY, FL
WCGINEEL-SCHAFFER, Inc
WCG 2~45~4~h*v,..S,i, 24 USDA SOILS MAP PROJ. NO. 021083.01
VeroB.ch, Flodda3~O LOUISIANA AVENUE
561-~707 f~) 561-~0
~ NEEL~SCHAFFER ~.wcgl.com SEBASTIAN, FLORIDA FIGURE: 2
CA9~2
r
ZONE X
PROJECT
LOCATION
N
REF. FLOOD INSURANCE RATE MAP, PANEL 77 OF 169, MAP NUMBER: 12061C0077, EFFECTIVE DATE JULY 2, 1992
~NEEL~SCHAFFER www. w~l.com
100 YEAR FEMA FLOOD MAP PROJ. NO. 021085.01
LOUISIANA AVENUE
SEBASTIAN, FLORIDA FIGURE: 3
WCGINEEL.SCHAFFER, Inc
wCG 214514th Ave., Sulte 24
Vero Beach, Florida 32960
561-770-4707 (fax) 561-770-4640
CA9582
final location of all utilities in the right-of-way is a matter of final roadway design and how that
design can best accommodate both underground utilities and stormwater structures. That
determination will be made based on sound engineering principles with due consideration to
relocation, time and fiscal constraints.
2.7 ROADWAY CHARACTERISTICS
2.71 HORIZONTAL / VERTICAL ALIGNMENT
The length of Louisiana Avenue within the subject project is approximately 2,550 feet.
The existing R/W travels through a residential area on the south end near C.R. 512, and
then is mostly commercial property through the north end, south of Main Street. The
horizontal alignment travels north from C.R. 512 at Sta. 10+00 for approximately 1,100
feet to Sta. 21+00, then bears northwest and continues straight for approximately 1000
feet to Sta. 31+00, the next 450 +/- feet is a reverse curve toward the intersection of Main
Street, which ends at Sta. 35+50.
The width of pavement along Louisiana Avenue, from the intersections of C.R. 512 and
Main Street, ranges from 16-ft to 17-ft. The existing pavement does not appear to have a
consistent crown to it, and contains numerous cracks and spalls throughout the pavement.
The edge of pavement is in poor condition and not clearly defined. The driveways of the
residential areas are mainly dirt driveways, with only a few being graveled or paved.
Some driveways intersect Louisiana Avenue at an acute angle. There are a few minor
roads that intersect Louisiana Avenue. Temple Avenue (Sta. 10+70) is located on the
west side of Louisiana Avenue and is connected at a perpendicular angle. Foster Road
(Sta. 19+50) is perpendicular to Louisiana Avenue on the west. Palmetto Avenue (Sta.
32+50) is located just south of Main Street on the west side of Louisiana Avenue, where
Louisiana begins the reverse curve into Main Street and connects to Louisiana at an acute
angle.
The vertical alignment along the centerline of Louisiana Avenue is included on the plan
and profile sheets. At Sta. 10+00, which is the intersection of County Road 512 and
Louisiana Avenue, the elevation is 24.10-fi, the profile travels with a negative slope of
-1.12% to elevation 23.04-ft at Sta. 10+95. The profile gradually slopes upward at 0.84%
to elevation 24.12-ft at Sta. 12+24, then continues on a gradual downward slope of
-0.96% to elevation 23.15-ft at Sta. 13+25, and then travels on a steep upward slope of
approximately 1.50% to elevation 30.41-ft at Sta. 18+19. The vertical alignment then
travels at negative slope of- 1.07% continues down to elevation 22.41-ft at St. 26+30.
From Sta. 26+30 to Sta. 31+23, the profile travels upward to elevation 27.65-ft then
sharply down through the intersection of Palmetto Avenue to elevation 20.70-ft at Sta.
33+00, which is a slope of- 3.93%. The existing profile then Ievels toward the
intersection of Main Street with intersection elevation of 19.20-ft.
2.72 INTERSECTIONS
Louisiana Ave. contains two (2) major intersections including C.R. 512 and Main Street.
The intersection at C.R. 512 occurs at a low point in the profile, which occurs on the
southern end of Louisiana Avenue. C.R. 512 travels northeast and Louisiana Avenue
travels approximately 100-feet northwest to the intersection of Temple Avenue then bears
north, therefore creating a perpendicular intersection between the two roadways. The
intersection at Main Street and Louisiana Avenue occurs on the far north end of the
project. The intersection of Main Street and Louisiana Avenue also meet at an acute
angle directly adjacent to the Florida east Coast Rail Road R/W.
A few minor roads intersect Louisiana Avenue including Temple Avenue, Palmetto
Avenue and Foster Road. The intersection at Temple Road is located just north of C.R.
512, on the west side of Louisiana Avenue. Foster Road is located approximately
midway along Louisiana Avenue, and also connects on the west. Palmetto Avenue has a
two-leg connection to Louisiana Avenue, with this intersection located on the west side
just south of the Main Street.
2.8 RIGHT-OF-WAY CONDITIONS
Louisiana Avenue project begins at C.R. 512 at Station 10+00 and ends at Station 35+50 at the
Main Street intersection. The existing R/W along Louisiana Avenue varies in width, with a 55-
feet wide R/W from Sta. 10+00 to Sta. 11+50; and then from Sta. 11+50 to Sta. 36+50 the R/W
is 30-feet wide. The survey baseline is based on the original centerline, which is located in the
center of the 30-feet R/W.
3.0 PROPOSED IMPROVEMENTS
3.1 LIMITING DESIGN CRITERIA
The standards established by the "Florida Department of Transportation's Manual of Uniform
Minimum Standards for Design, Construction and Maintenance for Streets and Highways"
(MANUAL) are intended for use on all new construction projects, and as a guide for
reconstruction projects. Though the Louisiana Avenue project is considered reconstruction, it is
desirable to meet the criteria set forth for new construction when feasible. These standards and
the County's objectives were used to develop an envelope of design parameters that will define
the roadway cross section.
The manual lists recommended design speeds for various types of roadways, which governs
other pertinent design criteria. Considering the projected traffic flow volumes and the
surrounding land use, the roadway could be classified as a major collector, with speed
restrictions. Speed restrictions are defined as "features of design which would effectively limit
the operating speed such as: short length of roadway, closely spaced stop signs, traffic signals or
other control devices, locations that would by nature of the surrounding development of land use
indicate to the driver that lower speeds were necessary". The project corridor is bounded by
residential and commercial properties with numerous driveway accesses. The proposed design
speed is established at 25 mph.
3.2 RIGHT-OF-WAY ACQUISITION
To design Louisiana Avenue safely and effectively, assuming the proposed design will
accommodate 2-way traffic, the City will need to acquire additional R/W within the corridor.
Right of way acquisition will also be needed if the proposed design will restrict traffic to a 1-way
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direction. However, the R/W needed for a 1-way section will be somewhat less then that
required for 2-way traffic to safely maneuver the corridor. Recent roadway improvements near
the intersection of C.R. 512 and Louisiana Avenue indicate R/W has been obtained along this
segment of roadway. However, to safely construct the a 2- way section, ten (10) feet of R/W
will need to be acquired along the Louisiana Avenue corridor between Sta. 11+50 and Sta.
30+00. This acquisition will create the forty (40) feet of R/W necessary for roadway expansion
within those stations. In addition, R/W acquisition will be necessary from Sta. 30+00 up to the
intersection of Palmetto Avenue and continue along Louisiana Avenue to Main Street. In order
to correct the reverse curve alignment and correct the existing acute angle connection at Main
Street, additional R/W will be required on the north end of Louisiana Avenue. This acquisition
will be required, regardless of whether the roadway will be design for single or multi directional
traffic. For 2-way traffic, the overall area of R/W required for designing Louisiana Avenue
safely and effectively is approximately 36,535 square feet or 0.83 acres. If the preferred
alternative is to restrict traffic to 1-way, the required R/W acquisition would be reduced to
approximately 17, 260 square feet or 0.40 acres. Refer to plans for location of R/W acquisition.
3.3 HORIZONTAL / VERTICAL ALIGNMENT
The horizontal alignment, as shown on the plans, will be modified such that the intersection of
Louisiana Avenue and Main Street meet at a ninety-degree angle creating equal peripheral sight
distance for vehicles turning onto Main Street and/or Louisiana Avenue. This new intersection
alignment will minimize any obstructive hazards. The proposed alignment traveling south along
Louisiana will be modified to correct the existing reverse curve alignment near the intersection
of Palmetto Avenue. The new alignment will result in driveway connection modifications on the
west side of the roadway near the intersection of Main Street. As shown on the plans, the
proposed roadway will shift west at the intersection of Palmetto Avenue, which will result in a
linear transition through the subject intersection. With the new R/W acquisition, the expanded
portion of the roadway will be on the west side of the roadway from the Palmetto Avenue
intersection to Sta. 26+00. The expanded alignment will gradually transition through the curve
between Sta. 26+00 and Sta.23+00. From Sta. 23+00 to Sta. 17+50 the expanded roadway will
then travel along the east side of the existing road, which will not cause an adverse impact to the
existing homes and driveway connection along that western R/W border. As traveling through
Sta. 27+00, the expanded roadway will again gradually transition to the west, to avoid adverse
impacts to homes and driveway connections located near the intersection of C.R. 512 and
Louisiana Avenue. Should the alternative one-way traffic section be selected, the horizontal
alignment will track the existing centerline geometry with the exception of the modifications
outlined at the Louisiana Avenue - Main Street intersection.
3.4 TYPICAL ROADWAY SECTION (TWO-WAY TRAFFIC)
Should the option of maintaining the 2-way traffic be selected, the additional R/W discussed
above will be required. The expanded 40-ft R/W will accommodate two (2) twelve foot traffic
lane, a two foot curb and gutter on both edges of pavement, a two foot grassed shoulder with four
foot pedestrian sidewalk on one side of the roadway, and a six (6) foot wide grassed shoulder for
utilities. The wooden power poles and mailboxes will be located within the grassed shoulder
area of the roadway. Figure 4 shows the proposed typical 2-way roadway section.
3.5 TYPICAL ROADWAY SECTION (ONE-WAY TRAFFIC)
If the preferred design alternative is to limit traffic within the Louisiana corridor to 1-way traffic,
the typical section would be designed to remain within the existing 30-Foot R/W. The 1-way
section will accommodate one (1) fourteen foot traffic lane, two feet of curb and gutter on both
edges of pavement, a six (6) foot wide shoulder on each side. Within the east six (6) foot
shoulder, a four (4) foot sidewalk would be constructed leaving a two (2) foot grass area. On the
west, the entire six (6) foot shoulder would remain grassed and used for utilities as needed.
Figure 5 shows the proposed typical 1-way roadway section.
4.0 STORMWATER MANAGEMENT
4.1 STORMWATER METHODOLOGY
Stormwater management consists of two aspects, water quantity and water quality. Water
quantity involves attenuating the project condition discharge to that of the existing condition.
The discharges will be computed using St. Johns River Water Management District's
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(SJRWMD) 24 hour, 25 year rainfall maps and Soil Conservation Service's Type II Florida
Modified 24 hour rainfall distribution with an antecedent moisture condition II.
Water quality involves treating runoff from the project site in order to prevent an increase in
pollution above that found in the existing condition. The volume of runoff to be treated is
determined by the type of treatment system utilized. The type of treatment system utilized will
depend on seasonal high water groundwater levels, soil types, and outfall constraints.
The improvements to Louisiana Avenue will include provisions of stormwater management
facilities. A number of Best Management Practices (BMP's) can be used for conveyance,
treatment and attenuation of stormwater runoff as well as for control of erosion and turbid
discharges. Since different BMP's provide different benefits and have different requirements, a
combination of selected BMP's can provide a cost-effective level of service for stormwater
management. For example, if a retention type system is used, the runoff volume is computed
from one half of runoff over contributing area or 1.25 inches of runoff from the project
impervious area, whichever is greater. If On-line retention is used an additional one half inch of
runoff is required for treatment. The retention system must be designed to recover the entire
treatment volume within 72 hours.
4.2 STORMWATER COLLECTION AND MANAGEMENT
The existing Louisiana Avenue watershed, between C.R. 512 and Main Street, is divided into
three drainage subbasins, which are separated at crests or high points in the roadway profile. The
existing high point, which creates the southern subbasin, is located just north of Foster Road.
This high point allows runoff to travel south toward C.R. 512. The second high point located
just south of Palmetto Avenue creates the second subbasin between the high points. The low
point in the roadway profile is located near the City's open storage facility. The northern
subbasin created by the high point south of Palmetto Avenue allows runoff to travel to Main
Street, thus creating the third subbasin. The proposed roadway improvements will include a
stormwater drainage system to collect and convey runoff generated within their respective
subbasins.
The conceptual stormwater management facilities consist of curb and gutter, storm sewers,
retention areas and outfall structures. Several stormwater management facilities are proposed to
attenuate runoff prior to discharge. Proposed locations for water retention areas are depicted on
the preliminary plans. One of the proposed retention areas is located at the City's open storage
property. The second facility will be located east of the new alignment and south of the Main
Street intersection. Additional facilities may be selected during final design of the project.
These facilities may include but are not limited to: underdrains, swales, sidebank filters,
exfiltration trenches and vertical volume recovery structures.
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5.0 COST ESTIMATE
A preliminary cost estimate is presented in the following table.
for roadway construction, stormwater management system,
construction and right of way acquisition.
COST SUMMARY
The estimate includes the cost
utilities, lighting, sidewalk
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ITEM ESTIMATED COST
1. ROADWAY CONSTRUCTION $108,000
2. STORMWATER MANAGEMENT $ 255,200
3. UTILITIES $ 30,000
4. R/W ACQUISITION $182,675
5. LIGHTING $ 75,000
6. SIDEWALK CONSTRUCTION $ 90,000
7. MISCELLANOUS CONCRETE WORK $ 50,000
SUB-TOTAL $790,875
CONTINGENCY (10%)
TOTAL
$79,087
$869,962
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6.0 RECOMMENDATIONS
WCG, Inc. recommends that the City of Sebastian reconstruct Louisiana Avenue to
accommodate two-way traffic utilizing a two-lane curbed roadway with improved safety and
drainage features in lieu of the option of a one-way route. The principal reasoning for
constructing the facility to accommodate two-way traffic is to remain consistent with the existing
traffic flows and patterns. Altering the traffic patterns within the corridor could potentially
create adverse impacts for ingress and egress to the residential and commercial property owners
under normal conditions or during emergency situations. In addition, construction of the two-
way option would not provide a substantial time or cost savings. As such, specific recommended
improvements include:
· Acquire additional right-of-way as shown on the attached Plans
· Realign the horizontal geometry of Louisiana Avenue to improve safety and provide for a
smoother transitional flow of traffic.
· Improve the Main Street intersection to create a 90 degree connection.
· Reconstruct the roadway to provide a 12 foot traffic lane, curb and gutter, grassed shoulders
and a sidewalk on one side of the roadway centerline.
· Regrade the vertical alignment of the roadway to improve safety and drainage characteristics.
· Construct stormwater management facilities to provide some level of water quality treatment,
water quantity attenuation, and flood protection.
· Provide storm sewers and structures to convey stormwater runoff to retention areas and to
drainage outfalls.
WCG, Inc. considers the above recommended improvements to be the minimum requirements
that would allow Louisiana Avenue to provide a safe and effective two-way roadway for area
residents.
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