HomeMy WebLinkAbout1993 Pump Station - Irrigation Invitation to Bidcity of Sebastian
POST OFFICE bOX 79007 n ttOASTIAN. FLOMMA 32979
TELEPHONE (407) 599-5330
FAx dol -599-5570
JANUARY 11, 1993
TO: Robb McClary City Manager
FROM: Chris McCarthy G.C.S. Co" 41l.
RE: Permission to go to bid for Pump Station
I would like permission to go out to bid
on a new pump station. This is the # 1 priority
from my Capital Outlay budget. We have $50,000.00
budgeted for this in the 1992-93 budget. I have
attached specifications and companies to send
bid Forms out to. If you have any questions at
all concerning this, please contact me.
City of Sebastian
POST OFFICE BOX 780127 o SEBASTIAN, FLORIDA 32978
TELEPHONE (407) 589-5330 o FAX (407) 589-5570
NOTICE OF INVITATION TO BID
SEALED BIDS TO REMOVE EXISTING PUMP STATION AND
FURNISH AND INSTALL A FULLY OPERATION
IRRIGATION SYSTEM AT THE SEBASTIAN MUNICIPAL GOLF
COURSE, WILL BE RECEIVED IN THE OFFICE OF THE CITY
CLERK, CITY OF SEBASTIAN, P.O. BOX 780127, 1225
MAIN STREET, SEBASTIAN, FL 32978, UNTIL 2:00 P.M. ON
TUESDAY, MARCH 2ND, 1993. BID ENVELOPES ARE TO BE
MARKED AS FOLLOWS:
GOLF COURSE IRRIGATION SYSTEM
THE CITY OF SEBASTIAN IS SEEKING BIDS FROM QUALIFIED
CONTRACTORS TO REMOVE EXISTING PUMP STATION AND
FURNISH AND INSTALL A FULLY OPERATION IRRIGATION
SYSTEM TO DELIVER 1000 GALLONS PER MINUTE AT 125 PSI
TO PROVIDE IRRIGATION WATER TO THE CITY OF SEBASTIAN,
18 HOLE MUNICIPAL GOLF COURSE. PROSPECTIVE BIDDERS MUST
CONTACT THE CITY CLERK'S OFFICE IN PERSON, BY MAIL AT THE
ABOVE ADDRESS OR BY TELEPHONING (407) 589-5330 FOR BIDDING
DOCUMENTS AND SPECIFICATIONS. PROSPECTIVE BIDDERS ARE
ENCOURAGED TO MAKE A FIELD INVESTIGATION OF THE LOCATION
PRIOR TO SUBMITTING THEIR BIDS.
QUESTIONS OR CONCERNS SHOULD BE ADDRESSED TO THE CITY OF
SEBASTIAN, CITY ENGINEER, DANIEL C. ECKIS, P.E.
BIDS WILL BE PUBLICLY OPENED AND READ ALOUD AT 2:00 P.M. ON
TUESDAY, MARCH 2ND, 1993 IN THE CITY MANAGER'S CONFERENCE
ROOM, THE CITY RESERVES THE RIGHT TO REJECT ANY AND ALL BIDS.
BY: KATHRYN O'HALLORAN
CITY CLERK
CITY OF SEBASTIAN
PUBLISH: VERO BEACH PRESS JOURNAL
SEBASTIAN SUN
FRIDAY, FEBRUARY 5TH, 1993
City of Sebastian
POST OFFICE BOX 780127 ❑ SEBASTIAN, FLORIDA 32978
TELEPHONE (407) 589-5330 ❑ FAX (407) 589-5570
M E M O R A N D U M
DATE; FEBRUARY 1, 1993
TO; PROSPECTIVE BIDDERS
FROM: CITY ENGINEER'S OFFICE
RE: BID - GOLF COURSE IRRIGATION SYSTEM
-------------------------------------------------------------
PLEASE USE THIS FORM TO RESPOND TO THE SUBJECT BID REQUEST.
SUBMIT YOUR BID IN A SEALED ENVELOPE MARKED AS FOLLOWS:
GOLF COURSE IRRIGATION SYSTEM
YOUR RESPONSE MUST BE SUBMITTED TO THE CITY CLERK'S OFFICE AT
SEBASTIAN CITY HALL, 1225 MAIN STREET, P. O. BOX 780127,
SEBASTIAN, FL 32978 NO LATER THAN 2:00 P.M. ON TUESDAY,
MARCH 2ND, 1993.
CONTRACTOR WILL FURNISH ALL LABOR, SUPERVISION, MATERIALS,
TOOLS, EQUIPMENT, PERMITS AND LICENSES IN ORDER TO COMPLETE
THE REQUIRED INSTALLATION IN ACCORDANCE WITH THE
SPECIFICATIONS SHOWN ON THE NOTICE TO BID.
TOTAL BID - GOLF COURSE IRRIGATION SYSTEM $
PUBLIC ENTITY CRIMES:
BIDDERS SHALL COMPLETE THE ATTACHED SWORN STATEMENT UNDER
SECTION 287.133 (3) (A), FLORIDA STATUTES, ON PUBLIC ENTITY
CRIMES AND RETURN WITH BID.
SCHEDULE:
COMMITMENT TO COMPLETE WITHIN CALENDAR DAYS
AFTER GIVEN NOTICE TO PROCEED.
EXCEPTIONS/CLARIFICATIONS:
PLEASE NOTE ANY EXCEPTIONS, CLARIFICATIONS, AND/OR PROPOSED
ALTERNATES ON SEPARATE SHEET (S) OF YOUR LETTERHEAD AND
ATTACH TO THIS FORM.
SUBMITTED BY:
COMPANY
INDIVIDUAL/TITLE
ADDRESS
TELEPHONE
ATTACHMENT (s): YES NO DATE
IRRIGATION PUMPING SYSTEM
GENERAL:
Bid specifications to remove existing pump station and
furnish and install a fully operational irrigation system
to deliver 1000 gallons per minute at 125 PSI to provide
irrigation water to the City of Sebastian, 18 hole
Municipal Golf Course.
SPECIFICATIONS:
PURPOSE:
1.0 - The manufacturer and his installation contractor
(the firm) shall be responsible to furnish and install a
complete skid mounted pumping system that shall lift water
from a shallow wet well and automatically deliver it to the
turf irrigation system.
1.1 - The manufacturer/installation contractor (the
firm) shall provide all labor and supervision to properly
install a turnkey pumping system providing the necessary sub
contractors for plumbing, electrical and building foundation.
All subcontractors must be licensed in the City of Sebastian
as required by City Ordinances.
SCOPE:
2.0 - The pumping system shall be a completely skid mounted
unit built by a single pumping systems manufacturer, with all
equipment, controls, valves and attached hardware for a
complete operational assembly.
2.1 - The successful bidder shall be responsible to remove
and dispose of the existing pump system including the removal
of the existing concrete foundation leaving in tact the
existing wet well to be used by the new pumping station.
2.2 - The firm shall inspect the existing conditions of the
existing wet well and determine the necessary modifications
that may be required to allow the system to function as
designed. Direction for proposed scope of work for the
remediation of the wet well shall be directed by the golf
course superintendent, Chris McCarthy. Included in this
service would be the cleaning and debris removal of all
foreign matter within the wet well. The reconstruction of the
inlet piping system, the replacement of stainless steel bar
screen and/or the entire inlet system.
2.3 - The firm shall be responsible to provide all required
electrical connections and plumbing connections to make the
system 100$ completely operational. The end product shall be
a complete turnkey operation which shall include field start
operation and maintenance of the new pumping system.
2.4 - The firm shall furnish and install a complete automatic
monitoring system including all hardware, software to allow
the system to be completely monitored within a one week
period to determine the function, operation and safety of the
system.
2.5 - The firm shall supply minimum of three copies of
complete sets of installation drawings, instructions,
operation and maintenance manuals showing all supplied
equipment of either his own manufacturer or the manufacturer
of other equipment used for the complete operation of the
pumping system including the monitoring system.
CONCRETE SLAB AND FOUNDATION:
3.0 - The firm will be required to install a concrete slab
and foundation for the building that will shelter the
equipment. The building will be constructed by the owner.
The slab shall consist of a 4 inch minimum thickness with 6 x
6 x 10 wire mesh on top of a vapor barrier.
3.1 - The foundation around the perimeter of the slab shall
consist of a minimum 12" in depth and 16" in width a minimum
of two #5 rebar. Contractor shall install a 1/2" "J" bolt
spaced not more than 3' apart which are imbedded at least 6"
into the concrete. The "J" bolts shall start at each end of
a door opening. Bolts shall be placed approximately 7 3/4"
from the edge of the foundation perimeter to accept a 2 x 4
PT sill plate. A minimum of 2500 PSI concrete shall be
poured and fibermesh may be utilized in lieu of wire mesh.
Prior to the placement of any steel or vapor barrier, the
slab and foundation area shall be sprayed for termites. The
size of the foundation shall be determined by the size of the
skid mounted equipment and the minimum clearance requirements
as specified by the manufacturer. In no case shall there be
less than 3 feet minimum clearance around the skid and edge
of the foundation.
3.2 - Electrical wiring for the building shall be provided
from outside of the building by an underground source.
Contractor or the firm shall be responsible to install
required chases or conduits to the required size of the
pumping system provided by the manufacturer. Panel shall be
equipped with additional circuitry to permit the installation
of inside lighting, outdoor lighting and a 2 1/2 ton air
conditioning unit.
STATION BASE:
4.0 - A structurally sound fabricated steel base with the
provisions for proper mounting and support for all equipment
shall be provided. Equipment to be mounted to the
structurally sound base shall include by not be limited to
pump, motors, valves, piping, tank, controls and all other
equipment and appurances as specified. All components shall
be mounted and installed in a professional, workmanlike
manner.
4.1 - The skeletal sub structured steel base shall be
fabricated from i -Beam iron to the size and depth suitable
for mounting and supporting all parts of the pumping system.
4.2 - The entire unit with the exception of the control
panels and motor is to be cleaned and primed with a rust
inhibitive primer coat to a minimum of 2 mils. Final coat
shall be an industrial grade of acrylic enamel applied to a
minimum dry thickness of 3 mils.
PUMPS, VERTICAL TURBINE:
5.0 - the entire pump assembly including bowl assembly,
column, shafting and discharge head shall be of U. S.
manufacture. The pumping system manufacturer shall have a
network of service centers which shall have available all
the personnel and pump components for complete service repair
and maintenance.
5.1 - The pump and motor system shall include vertical
turbine pumps to provide 1000 gallons per minute at 125 lbs
per sq inch (PSI).
5.2 - The shafts horsepower rating, machining and
straightness tolerance shall conform to ANSI B58.1/AWWA E101
Standards.
5.3 - Column shafting shall conform to the same standard as
the impeller shaft and shall be coupled with threaded
couplings constructed of 416 stainless steel.
5.4 - Each pump shall have a bypass line to pass sufficient
amount of water to prevent overheating of pumps at shutoff
conditions. Bypass line shall be an integral part of the
packing box to maintain a cooling flow over the packing box
bearings. Bypass line mounted on the pump discharge head are
not acceptable -as they do not provide cooling flow to packing
box bearing.
PUMP CHECK VALVE:
6.0 - Pump check valves shall be silent check -wafer style
supplied on pump discharge. Valve bodies shall be cast from
grade 35 cast-iron or better and shall be from blow holes,
sand holes and other impurities. Internals shall be machined
broze disc and stem guide and shall be aligned to allow
proper seating and full closure before flow reversal. Seat
shall be Buna-N to provide resilient sealing.
6.1 - Valves shall be sized to
discharge through them without
psi.
PIPING:
permit full pump capacity to
exceeding a pressure drop of 3
7.0 - Separate pump discharge piping shall be constructed
from ASTM A120, ASTM A53, or API 5L steel pipe. Piping 6"
in diameter or smaller shall be constructed from schedule 40
pipe or heavier and piping 8" and larger shall be constructed
from schedule 30 pipe or heavier.
7.1 - All piping shall be sized so that the average velocity
does not exceed 4.8 feet per second and at no point exceeds
9.5 feet per second.
7.2 - All pumps shall discharge into the pressure manifold
assembly. Discharge piping connecting the pressure manifold
to the isolation valve and isolation valve to the check valve
shall be schedule 80 weight. Discharge piping shall be
victaulic grooved to provide flexibility, vibration dampening
and expansion between the pumps and manifold assembly. In
addition, the manifold related piping and all fittings shall
be hydrostatically pressure tested to 500 psi minimum.
RELIEF VALVE FOR VARIABLE FREQUENCY DRIVE:
8.0 - The valve shall be mounted downstream of the pump
discharge manifold and its discharge shall be piped back into
intake manifold. All related piping shall be mounted within
the confines of the steel base. The valve shall be sized to
maintain pipeline pressure within 10 psi of stated system
pressure with all pumps discharging at full capacity.
8.1 - Pressure sustaining pilot shall be sensitive to valve
inlet pressure. Pilot shall be normally closed and spring-
loaded with a spring tension adjustment. Pilot shall open
automatically against the spring valve of the setting. This
pilot shall function to maintain a minimum system pressure to
prevent irrigation system from operating under a sustained
high pressure.
8.2 - A wafer -type lug pattern butterfly valve shall be
provided at the pressure -relief valve inlet to completely
isolate it from the turf irrigation system for maintenance
purposes. Valve shall conform to the same specification as
the station discharge isolation valve listed elsewhere in
these specifications.
FLOWMETER:
9.0 - A digital -type flowmeter shall be supplied as an
integral part of the pump station. Flowmeter display shall be
a NEMA 4 rated, door -mounted digital display and shall be
integral to the operator interface module of the pump
station. It shall be installed in the station discharge
piping and shall be installed so as to give optimum accuracy
of reading Measuring mechanism shall be a synthetic polymer
signal generator and shall perform with 98$ accuracy.
Totalizer reading shall be in gallons and direct -reading
indicator shall be supplied, indicating gallons per minute.
GAUGES:
10.0 - All gauges shall be silicon filled to reduce wear due
to vibration. Accuracy shall be 99%. Gauge diameter shall
be 3 1/2" minimum. Housing shall be impact -resistant
stainless steel and internals shall be stainless steel.
Range shall be at least 30% higher than the highest pressure
attainable from the pumps at shutoff head conditions. Gauges
shall sense true irrigation system pressure downstream of any
filtration devices.
SYSTEM ISOLATION VALVE:
11.0 - System isolation valve shall be installed on the
pumping system discharge to completely isolate the pumping
system from the turf irrigation system. Valve shall have
one-piece body cast from meehanite iron. Stem shall be 416
stainless steel. Disc shall be cadmium -plated ductile iron.
Stem bushing shall be luberized bronze to prevent stem
seizure to body during prolonged periods of non-use. Seat
shall be Suna-N elastomer of one piece construction and shall
also form the flange sealing gaskets. For valves 6" and
smaller, handle shall be ten -position locking lever. Valves
8" and larger shall be gear operated. Valves shall be rated
at 150 psi bubble -shutoff.
LIGHTNING ARRESTOR:
12.0 - All electrical equipment shall be protected by a
secondary lightning arrestor to suppress surges on incoming
power. Lightning arrestor shall have a maximum clamping
voltage of 1500 VRMS or less with an unlimited power rating.
Response time at terminal shall be one (1) microsecond per
ten (10) kilovolts. Extreme duty discharge shall be twenty
(20) kiloamps on an 8 by 20 microsecond wave shape. Minimum
break over voltage shall be 750 VRMS at one (1) kiloamp on an
8 by 20 microsecond waveshape.
MAIN DISCONNECT:
13.0 - A fusible or circuit breaker main disconnect shall be
provided to completely isolate the pump station and all its
pertinent equipment from incoming power. Main disconnect
shall be sized so that it is not loaded beyond 80% of its
capacity and so that it provides adequate short circuit
protection to all equipment on the pump station. It shall be
able to interrupt any fault current it is likely to encounter
and shall have an amp interrupting capacity (AIC) of not less
than 125% of the available fault current. Circuit breaker
main disconnect may require current -limiting fuses in series
with it to provide the necessary AIC. If current -limiting
fuses are required they shall be sized so as not to allow any
unprotected current valve between the maximum AIC of the
circuit breaker and the maximum AIC of the current -limiting
fuses.
MOTOR STARTING EQUIPMENT:
14.0 - A non -fusible main disconnect shall be provided to
completely isolate all controls and motor starting equipment
from incoming power. the disconnect shall be sized so that
it is not loaded beyond 80% of its capacity.
14.1 - All motor starting equipment shall be located in a
single NEMA 4 enclosure. Pump motor starters shall be NEMA
sized's horsepower -rated contactors with overload relay.
Fuses shall supply short circuit protection to the motor and
shall not be rated at less than fault current available to
the motor. NEMA size, overload rating and maximum fault
protection shall be as specified in the attached technical
specifications.
14.2 - Motor starting equipment shall be U.L. listed by the
pump station manufacturer as a completed industrial control
device, with U.L. label attached to the panel of NEMA 4
enclosure.
MOTORS, VERTICAL HOLLOW SHAFT AND HORIZONTAL:
15.0 - All vertical hollow shaft motors shall have drip -proof
enclosure in compliance with NEMA standard MG 1-1.25 or TEFC
enclosure in compliance with NEMA standard MG 1-1.26. Motors
shall be continuously rated in accordance with NEMA standard
MG 1 and shall be NEMA electrical design B with 1.15 minimum
survive factor. Insulation shall be Class F and have a
temperature rise in accordance with NEMA standard MG 1 over a
maximum ambient temperature of 104 degrees Fahrenheit (40
degrees Celsius). Vertical hollow shaft motors manufactured
by Newman and U.S. Motors are acceptable. Horizontal motors
manufactured by Baldor, Century, U. S. Motors or General
Electric are acceptable.
15.1 - Motors shall be wound for the starting configuration
necessary to be compatible with the starting equipment
specified previously. Starter frame and end brackets shall
be machined from rigid grey iron castings and the housing in
the end brackets for the bearings shall be precision bored to
provide correct fit for the bearings. Cast-iron conduit box
shall be weatherproof -type with gaskets fitted at all joints
and shall be tapped for ease of conduit connection.
15.2 - Couplings shall be bolted to the motor so as not to
allow any uncoupling or slipping during momentary pump
upthrust.
15.3 - The thrust bearing shall have ample capacity to carry
the weight of all moving parts, plus the hydraulic thrust of
the pump impellers, and have sufficient safety factor. This
factor shall be based on continuous use for five (5) full
years at 24 hours per day operation.
SUBMERSIBLE PRESSURE MAINTENANCE PUMP:
16.0 - The motor shall be of the submersible type. Motor
shall be water -lubricated submersible conforming to NEMA
standards. It shall have a hermetically -sealed stator.
Internal thrust bearing shall be capable of carrying the
maximum pump thrust.
16.1 - Motors shall be wound for the starting configuration
necessary to be compatible with the starting equipment
specified previously.
16.2 - Couplings shall be bolted to the rotor so as not to
allow any uncoupling or slipping during momentary pump
upthrust.
16.3 - The thrust bearing shall have ample capacity to carry
the weight of all moving parts, plus the hydraulic thrust of
the pump impellers, and have sufficient safety factor. This
factor shall be based on continuous use for five (5) years at
24 hours per day operation.
CONTROLS:
17.0 - Control panel shall be housed in NEMA 4 enclosure.
Panel shall provide timed sequential pump start up and
shutdown and safety features through its pressure sensing,
flow sensing and voltage sensing devices. Running -time
meters shall display in hours and tenths the total time of
each motor. Hour meters shall not be resettable to insure
continuous time monitoring. All indicating lights, reset
buttons, selector switches and hour meters shall be mounted
in enclosure door.
17.1 - Power for the controls shall be provided by a control
voltage transformer whose sole use shall be for pumping
system control. Transformer shall provide 120 volt, single-
phase power for pumping system operation. Current-limiting
fuses shall protect the primary side of the transformer and
shall have 200,000 AIC. Control components shall be
protected by a time delay circuit breaker with at least
10,000 AIC. All 120 volt signals issuing from the control
panel to operate equipment supplied by others shall be
circuit breaker protected, having 10,000 minimum AIC, and a
nominal valve substantially less than the transformer
secondary fuse to prevent its blowing. All devices shall
have pilot lamps to indicate when power is on shall have a
pilot lamp for troubleshooting. All 120 volt fuses shall
have a pilot lamp in parallel to indicate a blown-fuse
condition.
17.2 - Control cabinet with controls shall be U. L. Listed as
a completed assembly by the pumping system manufacturer, with
a U. L. label mounted on panel of enclosure.
17.3 - All equipment and wiring shall be mounted within an
enclosure and labelled for proper identification. All
adjustments and maintenance shall be accessible from the
front of the controls enclosure. A complete wiring circuit
and legend with all terminals, components and wiring
identification shall be provided within the 0 & M manual. All
control components shall be assembled from standard
industrial logic components which shall be available from
major metropolitan-area vendors.
17.4 - Controls shall be of the microprocessor programmable-
type, with an industrial operator interface providing data
entry and readout. Operator interface shall be NEMA 4 rated,
door-mounted, digital readout to display GPM, psi, flow
total, register values and safeties as needed or applicable.
Device shall allow access to timers, counters and sequencer
data. Programmable controls shall have LED indicators for
input, output, battery low and PC run. A status indicator is
provided for each I/0. Programmable controls shall be
provided for a three (3) year lithium battery backup for CMOS
RAM memory.
17.5 - industrial-grade programmable controller shall be
rated to operate at 150 degrees Fahrenheit and 95% humidity
maximum. The program for pump station operation shall be
stored in U.V. PROM memory, such that if the programmable
controller loses incoming power and there is a fault with the
battery backup, the programmable controller cannot lose the
program.
17.6 - Analog input board shall have four (4) receiving
channels and have 3 1/2 digit resolution. Board shall be
capable of receiving one (1) of four (4) input signals (0-10
VDC, 1-5 VDC,-10-+10 VDC, 4-20 MA) and be field -convertible
to accept any one of the supply signals.
17.7 - Pressure transducers shall sense true irrigation
pressure downstream of any filtration devices that are
mounted within the confines of the skidded assembly, and
shall feed analog -input board of programmable controller.
Transducers shall have a stainless steel diaphragm and an
insulated electrode to form a variable capacitance.
Transducer shall require a 12 VDC power supply with no
greater than a .01 MV ripple response. Transducer shall have
a maximum of .02% repeatablity accuracy and 5 MS reaction
time. No devices mounted external to the PLC rack assembly
shall be supplied by the internal 24 VDC power supply of the
rack.
17.8 - Flowmeter shall provide a digital rate -of -flow
indication, totalizer, and analog signal to feed analog board
of the programmable controller. Flowmeter shall be field -
adjustable to re -calibrate so to meet municipal accuracy
requirements. Meter shall be capable of sending one (1) of
four (4) output signals (0-100 VDC, 1-5 VDC-10-+10 VDC, 4-20
MA) and be field convertible. Flowmeter shall maintain a 1%
repeatability and 98% accuracy.
VARIABLE FREQUENCY DRIVE CONTROL:
18.0 - VFD controls shall convert fixed frequency, 3-phase
industrial line power to DC and invert to 3-phase variable
frequency/voltage output power for direct application to
standard AC induction motors. Standard drive includes power
conversion components, logic circuitry, diagnostic displays
and LSI circuit used to generate control signals.
18.1 - VFD will cancel the need for a pressure -reducing
control valve for maintaining system pressure. System
pressure shall be monitored and converted to analog signals.
The drive unit shall utilize these analog signals for
variable speed control of the pump and motor.
18.2 - VFD unit and accompanying controls shall be housed in
a single NEMA 4 enclosure. Enclosure shall include and
industrial air conditioner to constantly cool and recirculate
the internal enclosure air using a closed-loop design.
Recirculation of internal air shall provide a degree of
safety from high ambient temperatures, airborne dirt and
moisture. Housing shall be 16 gauge steel. Air conditioner
shall be designed to operate on 120 volts AC, 60 HZ. single-
phase with a minimum of 20,000 hours of continuous operation.
18.3 - Pump station manufacturer shall provide a
programmable controller override capability in the event of a
component failure. The override will allow the pumps to be
operated in the manual position.
18.4 - All indicator lights mounted on panel door shall be
transformer type for long life. Full -voltage lamps shall
neither be provided nor acceptable.
18.5 - Station shall include a drive isolation transformer.
Isolation transformer to be sized to accommodate full voltage
of VFD drive. Isolation transformer must be designed to
accommodate the electrical and mechanical stresses caused by
regenerative current reversals and frequent short circuits
inherent to heavy duty cycles required to drive applications.
Line reactors are unacceptable as they have no provisions for
tapping up or down to provide the preferred 460 vac to drive.
18.6 - Station shall include a line reactor to be sized to
accommodate the electrical and mechanical stresses caused by
regenerative current reversals and frequent short circuits
inherent to heavy duty cycles required to drive applications.
SAFETY PROTECTION:
19.0 - System shall include the following safety, logic and
sequential circuits:
SAFETY, LOW INTAKE WATER:
20.0 - Low intake water level supply safety circuit shall
shut down pumping system if water supply level drops below
acceptable level for pump operation. Circuit shall include
adjustable timer set for three (3) seconds to prevent
sporadic shutdown in the event of power flicker. Pumping
system shall not operate until water supply is up to safe
level and circuit has been manually reset. Station shall shut
off if water in the wet well falls to within two (2) feet
above the bottom of the pumps for three (3) seconds.
SAFETY, LOW DISCHARGE PRESSURE:
21.0 - Low discharge pressure safety circuit shall shut down
pumping system in the event discharge pressure drops below
normal level, indicating a broken main line or over -demand.
Indicating light mounted in enclosure door shall signal low
discharge pressure and shall have a red lens. Pumping system
shall not operate until safety has been overridden by placing
the 'override -normal' switch in the 'override' position.
Override shall also allow the pumping system to operate at
low pressure for filling lines or transferring water from
irrigation reservoir to other locations.
SAFETY, HIGH DISCHARGE PRESSURE:
22.0 - High discharge pressure safety circuit shall shut down
pumping system if discharge pressure reaches a predetermined
high level. Indicating light mounted in enclosure door shall
indicate high pressure and shall have a red lens. Pumping
system shall not operate until pressure is reduced and safety
has been manual reset.
PHASE PROTECTION, INDIVIDUAL MOTOR:
23.0 - Phase failure and low voltage safety circuitry shall
retire any pump that experiences low voltage, phase failure
or phase reversal as monitored at the line -side of each pump
starter. Each pump motor shall have its individual
protective device and time -delay to allow for transient low
voltage during motor starting to allow maximum motor
protection. This circuit shall provide for individual
indicating light and manual reset for each pump. Automatic
reset of the phase protection circuit shall not be permitted
for safety reasons.
PUMP SYSTEM MONITOR (PUMPWATCH):
24.0 - The manufacturer shall supply the capability to
monitor the pumping system from a remote location through the
use of a 100% IBM (PC,XT,AT) compatible personal computer.
24.1 - the monitoring system shall have the capability of
providing a real-time display, in graphic form, of data
including, but not limited to, the following: Irrigation
system pressure, pumping system pressure, system flow,
accumulated hours on each pump/motor, which pumps are
running, Variable Frequency Drive output frequency any pump
system safeties in effect, status of Low Pressure Override.
24.2 - The monitoring system shall be physically and
electronically integrated with the pump system controller but
shall not be essential to the automatic operation of the
pumping system.
24.3 - All software (programming) for the monitoring system
shall be directly designed and serviceable by the pump system
manufacturer.
24.4 - All hardware provided by the pump systems manufacturer
for the monitoring system shall be readily available for
placement if the need should arise. This hardware shall be
of U.S. manufacture by the U.S. - owned manufacturing
facilities.
24.5 - The monitoring system shall have the ability to record
(log) the following data records: Irrigation system pressure
(at the pump system discharge), system flow, Variable
Frequency Drive speed. The monitoring system shall have two
types of data logging capabilities. These two data logs
shall be separate but simultaneously active. The first type
of data log shall record data within a specified time period
that can be modified by the user. This data log shall have
at least 6600 data points. Each data point shall be defined
as consisting of three of the record types described above.
The second type of data log shall be of circular and
continuing nature. This log shall record the same three
record types as the first log, but new data will overwrite
old data as the memory is filled. If a pump system safety
should occur, this data log shall stop recording and
overwriting data so that the data prior to the pump system
shutdown can be viewed. After this log is downloaded to the
personal computer, the data log shall resume its activities.
This data log shall consist of 1250 data points as described
above.
24.6 - The monitoring systems shall be capable of recording
each of the data logs independent of the personal computer.
The monitoring system shall be capable of downloading the
data from the pump system to the personal computer for
storage and subsequent viewing.
24.7 - The monitoring system shall be capable of displaying
the recorded data in graphic form on the monitor of the
personal computer, as well as providing the capability to
produce hard printouts using an IBM Proprinter-compatible
printer.
24.8 - The manufacturer shall provide one of two possible
communications methods for the monitoring system. The Golf
Course Superintendent shall have final decision on which
monitoring system is preferred.
24.9 - The Direct Connect or Land Line method shall consist
of hardware allowing the pump system to be monitored via 18
ga., 2-pair, shielded and armored, direct burial
communications cable. This cable shall be as belden 1063A or
equal. Communications using this method shall be capable of
attaining at least 10,000 feet of distance at rates of 2400
Baud minimum.
24.10 - The manufacturer shall supply all necessary hardware
and software for the monitoring system including the
following equipment: 100% IBM compatible personal computer
(PC, XT, AT, PS-2) with: DOS 2.0 or later operating system,
at least 640K available memory, CGA, EGA, or VGA video
adaptor and monitor, fixed disk drive with at least 20 MB
available storage space, serial communications port available
as either COM1 or COM2.
BOLTS:
25.0 - All bolts used in the assembly of the pumping system
shall be cadmium -plated to retard corrosion.
FIELD TESTING:
26.0 - The complete pumping system shall operate without
undue vibration throughout the range of operating conditions.
The unit shall be given a running test of normal start and
stop conditions under load. During each test, each pump
shall demonstrate its ability to operate without undue
vibration or overheating and shall demonstrate without
question its general fitness for service. All defects shall
be corrected and adjustments made at the expense of the
manufacturer. Test shall be repeated until satisfactory
results are obtained.
FACTORY AUTHORIZED WARRANTY:
27.0 - The warranty shall warrant that the water pumping
system or component will be free of defects in workmanship:
1. For 5 years from date of authorized start up but not later
than 72 months from date of invoice.
specirr.doc
City of Sebastian
POST OPFICE 9OX 780127 o 8E3AST1AN, FL0Ii1OA 32970
TELEPHONE (4071569-030
tAx 407-660-5570
COMPANIES TO SEND PUMP STATION BIDS TO:
Carroll Childers Co. Systematic Services
P.O. Box 750549 P.O. Box 1525
Houston, Texas 77275 Oneco, F1. 34264-1525
Syncroflo Inc.
6700 Best Friend Dr.
Norcross, Ga. 30071
rlowtronex International
P.O. Box 20365
Columbus, Ohio 43220
WesterNn Pumping Stations
17046 S. Weber Dr.
Chandler, Arizona 85226