HomeMy WebLinkAbout1998 - ProposalN MASTELLER & MOLER, INC.
- CONSULTING ENGINEERS -
April 28, 1998
Ms. Martha Campbell, City Engineer
City of Sebastian
1225 Main Street
Sebastian, FL 32958
Re: Indian River County Project #9611
CR512 Roadway Improvement Project
Sebastian Highlands Unit 5 Drainage
Dear Martha:
Masteller & Moler, Inc. is pleased to provide you with this outline for performance of engineering
services to benefit the City of Sebastian. Our outline is based upon Indian River County
authorizing an extension to our current engineering contract for the County Route 512 Four (4)
Lane Roadway Improvements project (Roseland Road to Interstate I-95). It is understood that
the City of Sebastian will coordinate with Indian River County as to the City's obligations and
financial commitment with regard to this additional engineering services scope of work.
The scope of engineering services to be provided to the City of Sebastian are intended to provide
for redirecting the existing Blossom Ditch draining Sebastian Highlands Unit #5, which currently
flows through San Sebastian Springs. The diversion is intended such that the Blossom Ditch
drains directly to the South Prong of the Sebastian River via a route within the County Route 512
Right-of-way.
It is our understanding that the City of Sebastian has met with the St. Johns River Water
Management District regarding the above described concept and that the District has indicated
favorable acceptance of the rediversion plan, on the basis that the outfall be equipped with a baffle
box structure for containment of silts and sediments. On the basis of the above described
concept, we propose to perform the following engineering services under our Contract with
Indian River County:
Scope of Services
We shall, through a visual field inspection and available topographic information, confirm the
drainage basin area contributing stormwater runoff to the Blossom Ditch from the Sebastian
Highlands Unit 95 area upstream of San Sebastian Springs. Computations will be finalized
to determine the anticipated stormwater runoff from the Blossom ditch drainage basin that
will need to be diverted via a conveyance system along the County Route 512 Right-of-way
to the South Prong of the Sebastian River.
1623 N. U.S. Highway 1, Suite B2 ❑ 5211 Okeechobee Road
Sebastian, FL 32958 Ft. Pierce, FL 34947
(561) 5894800 (561)466-9200
(561) 589-2742 Fax (561) 466-9230 Fax
Ms. Martha Campbell
4/28/98
Page 2
Once the stormwater computations have been developed, we shall design a stormwater
conveyance system to accept and convey runoff from the Blossom Ditch to the South Prong
of the Sebastian River. The design shall also include a bale box to provide removal of silts
and sediment prior to discharge to the River. The design of the stormwater conveyance
facilities and baffle box shall be completed in a manner consistent with the County Route 512
Four (4) Lane Roadway Improvements project. It is intended that the proposed construction
be included within the Four (4) Lane CR 512 Roadway Improvement construction plans.
It is anticipated that permitting of the above described stormwater conveyance diversion may
need to be permitted through the SJRWMD independent from the County Route 512 project.
Our Lump Sum Fee for the above Scope of Services is $15,260.00.
In the event the diversion project were completed independently, it is anticipated that the
construction cost would need to be budgeted at $250,000 excluding surveying, engineering and
contingencies. It is expected that the City of Sebastian will achieve significant cost savings by
including the Blossom Ditch diversion as part of the County CR 512 roadway improvements
construction.
As this proposal is intended to be added to our contract with Indian River County, our proposal is
contingent upon both the City of Sebastian and Indian River County authorizing this additional
work.
In the event the anticipated construction and engineering services costs are within the anticipated
budget for the diversion of the Blossom Ditch, we will be pleased to assist to coordinate this
effort to an agreement between the City of Sebastian and Indian River County.
We look forward to working with you closely on this project in the near future
Sincerely yours,
TELLER & MOLER, INC.
Stephen E. Moler, P.E.
Executive Vice President
sem/vk
File #9649
(mc0428198.doc)
M