205-CPH-Amendment 05FRANK A. FAISON 305/322-316'~
CITY MANAGER AUgUSt 26, 1985 P.O. BOX1778
300 NORTH PARK AVENUE
Mr. B. C. Conklin, P.E.
Conklin, Porter and Holmes-Engineers, Inc.
P. O. Box 1976
Sanford, Florida 32771
Dear Mr. Conklin:
Enclosed is an executed copy of Amendment 5 to Agreement dated
December 7, 1983 between The City of Sanford, Florida and Conklin,
Porter & Holmes-Engineers, Inc., for Wastewater Treatment and Effluent
Disposal.
We have kept executed copies for our files.
Cordially,
Frank A. Faison
City Manager
js
Enclosure
"The Friendly City"
AMENDMENT 5
TO
AGREEMENT
DATED DECEMBER 7, 1983
BETWEEN
THE CITY OF SANFORD, FLORIDA
AND
CONKLIN, PORTER & HOLMES-ENGINEERS, INC.
This Amendment dated this 12th day of August , in the
year Nineteen Hundred and Eighty-Five by and between THE CITY OF
SANFORD, FLORIDA (hereinafter called the OWNER) and CONKLIN,
PORTER & HOLMES-ENGINEERS, INC. (hereinafter called the ENGINEER),
is mutually agreed upon and declared an authorized Amendment to an
Agreement dated December 7, 1983, between the parties, herein
setting forth the scope, terms and conditions of the work herein
authorized.
SECTION
General
1.1 The purpose of this Amendment is to authorize proceeding
with certain work related to the December 7, 1983 Agreement
and more specifically itemized herein, for the preparation
of a Water System Master Plan and Water Impact Fee Study
for the City of Sanford, Florida.
SECTION 2
Scope of Work
The OWNER hereby authorizes the ENGINEER to proceed with
the preparation of a Water System Master Plan and Impact
Fee Study for the water system. The ENGINEER will provide
the following services which are more specifically outlined
in the Plan of Study attached hereto as Exhibit A.
2.l. Describe existing system including mains, water plants and
wells, and tabulate existing capacities.
2.1.1 Desc?ibe the mains, service lines, wells, pumps, and tank
in the original system.
2.1.2 Describe the original system including the water sources
and mains.
2.1.3 Describe subsequent additions of water mains provided by
developers and those installed by the City.
m
2.2. Establish design criteria. Fire flow criteria to be
designated by the OWNER.
2.2.1 Compute flows including average day, maximum day, peak
hourly and fire flows. Review all flow criteria with
OWNER.
2.2.2 Establish design criteria for storage.
2.2.3 Evaluate existing and proposed raw water {well) sources
considering quality and Quantity. Review geology,
hydrogeology and area water quality. Evaluate potential
for long term use of existing well fields considering
possible Quality degradation, and excessive aquifer
drawdown, etc. Establish design criteria for new wells
required including location, capacity, depth and spacing.
Consult with USGS and engage services of a hydrogeologist
via subcontract, regarding these matters.
2.2.4 Establish design criteria for high service pumping.
2.2.5 Establish design criteria for the water distribution
system.
2.3. Obtain population data.
2.3.1 Obtain population data from Seminole County, City sources
or the East Central Florida Regional Planning Council.
2.3.2 Review with OWNER and finalize population projections.
2.3.3 Prepare a chart and graph showing population projections.
2.4. Sketch transmission main system.
2.5. Identify key demand points and show on sketch.
2.5.1 Prepare a chart showing populations or acreages tributary
to the key demand points.
2.6. Select three (3) alternate plans for water sources (i.e.
additional water plant, booster pump station or elevated
storage locations).
2.7. Analyze the three 13) alternative plans.
2.7.1 Items of analysis to include plant(s) and well{s)
construction, plant(s) and well(s) expansion, transmission
main(s) construction, storage construction, cost estimates,
and the advantages and disadvantages of the various
alternatives.
2.7.2 Summarize alternative plan descriptions and recommendations
for review and plan selection by City Commission.
2.8. Develop and describe selected system and estimated cost.
2.8.1 Project a planning-type schedule for construction of plan
components.
2.8.2 Prepare rough planning-type estimates of costs.
2.9 Discuss financing alternatives.
2.10 Prepare a time schedule for the first phase.
2.11 Discuss flexibility considerations.
2.12 Discuss development considerations.
2.13 Assemble information, compile report and coordinate with
City.
2.14 Summarize data and draft submittal for review and policy
decisions by Commission.
2.15 Incorporate revisions, finalize report, and provide
coordination with the City. Provide ten (lO) bound copies
of Final Report. (City to print extra copies of report.)
2.16 Prepare Water Impact Fee Study and Preliminary Report.
SECTION 3
Payments to the Engineer
For the Scope of work described in Section B above, payment
to the ENGINEERS by the OWNER shall be on the basis of cost
times a multiplier, in accordance with Section 5 titled
METHOD OF PAYMENT TO THE ENGINEER bf the Agreement dated
December 7, 1983.
The estimated fee for the work herein authorized is
$40,000.00.
IN WITNESS WHEREOF, the parties have caused this Amendment to be
executed as of the day and year hereinabove set forth.
CONKLIN, PORTER & HOLMES-
ENGINEES, INC.
ATTEST: R.
Vice President
DATE:
CITY OF SANFORD, FLORIDA
A T T
DATE: r~P//~¢//~Pif
DETAILED PLAN OF STUDY
FOR
SANFORD, FLORIDA
Water System Master Plan and
Mater Impact Fee Study
DETAILED WORK PLAN: Time in Manhours
Eng Prin Tech Draf 5ecy Out of Pocket Exp Subcontract [xpense
a. Orientation, budgeting, 16 2 2
project planning, etc.
b. 6eaeral progress meeting mith 8 8 2
Omner, 2 meetings estimated
2. Basic Data Gathering:
Gathering and review of existing 24 2 8 $20.00
data, compile monthly water plant
reportS, land use maps, past com-
puter work, past studies by City,
water system maps, plans, etc., on
new developments, etc., water quality
data, data from City on current
number of water connections, etc.
3. Water Use Data:
From mater plant reports, compute 16 2 2 $5.00
average daily and maximum daily flows
for past 5 years for each plant. Compote
ratios ADF :Max. Day; from connection
data; compute ADF use/capita, etc., com-
pare to typical values in literature
EXHIBIT A
Plan o~ S±udy
Plan of Study, Continued ....
Page 2
DETAILED PLAN OF STODY
FOR
SANFORD, FLORIDA
Nater System Hastar Plan and
Water Impact Fee Study
DETAILED MORK PLAN: Time in Nanhours
Eng Prin Tech Draf Secy Out of Pocket Exp Subcnntract Fxpense
4, Population Projections:
Research and gather sources on popula- 12 2 2 $40.00
tton aata - Seminole Co. studies, 201
Plan, Sanford Comprehensive Plan, etc.
Gather Mater service connection data
from City for past 5 years. Project
IO - 20 year growth using various
methods or comparing connection data
against existing projections, Cor-
relate projections against service
areas. Evaluate and select data to
utilize.
S. Population Allocations:
Determine present and future water 12 ~ $30.00
service areas. Study existing
population distributions using
Colprehenstve Plan and Sewer
Collection System Study data.
01scuss with City any proposed land
development projects and list.
AITocate projected populations to
service area.
Plan of Study. Continued ....
Page 3
DETAILED PLAN OF STUDY
FOR
SANFORD, FLORIDA
Water System Master Plan and
Water Impact Fee Study
DETAILED WORK PLAN: Time in Manhours
Eng Prtn Tech Draf Secy Out of Pocket Exp Subcontract Expense
6, ExiSting Plant Capacities:
Review and compile file data on 24 2 8 $20.00
capacities of various components
of existing water plants. Data
to include historical water quality,
pump curves, age and condition of
all eeulpmeet, etc. Calculate
maximum day capacities of each plant
considering pumping period, units
out of service, etc. List In table
form capacities of wells, ground
storage, hi9h service, etc, Perform
physical inspection of atl facilities.
7, Existing System Pressures:
Review maps and select representative 8 2 $50.00
points tn system for City personnel
to take water system pressure read-
1rigs to correlate against base
computer. City to run fire flow tests
at locations designated by Engineer.
Plan of Study, Continued ....
Page 4
DETAILED PLAN OF STUDY
FOR
SANFORD, FLORIDA
Mater System Master Plan and
Mater impact Fee Study
DETAILED NORK PLAN: Time in Nanhours
Eng Prin Tech Draf Secy Out ~f Pocket Fxp Subcontract Expense
8. Develop System Layout for Computer:
Using previous analysis map and water 40 1 40 2 $50.00
system plans, layout water system to
be analyzed. Compute and substitute
equivalent pipe lengths where
required to simplify system. Drai
work sheet of system. Assign node
numbers, line lengths, sizes and
numbers. Examine USGS maps to assign
elevations to each node. Locate water
plants as sources and identify pressure
reducing valves, fittings, etc.
9. Determine and Assign Mater Demands:
From population allocations and ~ater 24 I 24
use data, assign water demand take-
offs from various nodes for present
sad future conditions. Frum standards
determine required fire flo~s in
various commercial and residential
areas. Review fire flo~ requirements
pith City. Review existing water system
demand distribution by studying exist-
lag meter hook readings.
Plan of Stud., Continued ....
Page S
DETAILED PLAN OF STUDY
FOR
SANFORD, FLORIDA
Mater S,stem Master Plan and
Mater Impact Fee Stud,
DETAILED MDRK PLAN: Time in Manhours
Eng Prtn Tech Draf Secy Out of Pocket Exp Subcontract Expense
10. Review Programs and Initial Runs:
Review recently available water system 8 1 $40.00
anal,sis programs available and select.
Revtev and list runs to tr,. such as
existing conditions, five, ten, fifteen
--and twent,-,ear growth, where to locate
new water plant. possible line loops to
tr, tn future runs. locations of fires,
etc.
II. Initial Programming:
Program water system nodes. legs. 24 1 $20.00
sources, etc. into computer.
Program Initial runs and execute.
12. Computer Time:
Retrieve initial program runs, 80 4 80 4 $S00,00
tabulate and graphically plot flows,
velocities, etc. Note distribution
system pressures, line velocities,
plant outputs. etc. Examine for
~eak points and determine where
additional looptog, larger lines,
etc.. are needed. Make additional
runs and anal,ze as redutred.
Plan of Study, Continued ....
Page 6
DETAILED BORK PLAN: Time in Nanhours
Eng Prln ~ech Draf Secy Out of Pocket Exp Subcontract Expense
13, Line Improvements:
Tabulate phasing of required line 40 2 4 2
1Doping improvements. Prepare cost
estimates for various phases and
alternatives. Evaluate and make final
14. plant Improvements:
Based on computer results determine 24 8 8 4
eluding high service pumps, wells,
such as additional plants, booster
IS. Raw Mater Supply:
Review raw water duality, historical 40 8 4 8 $1,500 - Ceohydrologist
duality changes, regional data, etc.
Evaluate potential for long term
duality deterioration at both well
fields. Consider future raw water
supplies and potential well field
· locations.
P|an of Study, Continued ....
Page 7
DETAILED PLAN OF STUDY
FOR
SANFORD, FLORIDA
Mater System Master Plan and
Mater Zmpact Fee Study
DETAILED WORK PLAN: Time in Manhours
Eng Prin Tech Draf Secy Out of Pocket Exp Subcontract Expense
16. Final Report:
Prepare final report to Owner to 80 8 80 40 $900.00
include raw data, population pro-
jections, results of "key" or
alternate runs on maps with
tables of capacities, improve-
ment, phasing, etc. Provide maps
of existing and proposed line
Review with Owner, make final 30 4 10 10 $1,000.00
revisions, submit Final Report
17. Mater Impact Fee Study:
. Usteg results of Master Plan, prepare 40 4 24
Mater Impact Fee Study and Report
__
TOTAL HAN HOORS 550 62 158 96 116 $2,675.00 $1,500.00
San ord,
P.O. Box 1778 -- 32772-1778
Telephone (305) 322-3161
Oc~obe~ 2~ Z987
Conklin, Porter & Holmes Engineers, Inc.
P.O. Box 1976
Sanford, Florida 32772
Attn: Mr. Paul E. Porter, P.E.
Dear Paul:
Attached please find "accepted" copies of your two letter pro-
posals of October 20, 1987 for minor additions to your existing
work load. The first of these proposals covers a minor change in
scope for design of wastewater treatment facilities to provide for
a dual flow chlorine contact chamber, as required by DER. The
second minor change provides for preliminary analysis to identify
possible beneficial uses for the existing primary tank of the
Wastewater Treatment Plant which has been primarily utilized for
stormwater treatment. Additional costs associated with these two
changes are $7500 and $5000 respectively.
Very truly yours,
CITY OF SANFORD
~P.E.
Director of Engineering and Planning
WAS:mch
xc: City Manager
Utility Director
Finance Director
"The Friendly City"
Page 2
CPH Project No. S0602.25
As always it is a pleasure to be of service to the City of
Sanford.
Very truly yours,
CONKLItl, PORTER & HOLMES-E~GINEERS, INC.
Fra't~k A. Faison
City Manager
(By signature consents to raise in contract ceiling price of
$7,500)
PEP/jyw
10/20 L2J
Page 2
CPH Project No. S0602.25
If you now find the above study and cost is acceptable, please
so indicate in the space provided below.
We look forward to the potential for making use of this tankage
and reducing a future expenditure for aeration capacity.
Very truly yours,
CONKLIN, PORTER & HOLMES-ENGINEERS, INC.
Fr~k A. Faison
City Manager
{By signature consents to contract price ceiling increase of
approximately $5,000)
PEP/jyw
lO/20 L3J