HomeMy WebLinkAbout1992 PSI Pumping SystemI�IYSTENGTIC
DIVF
SERVICES D IITIECHONC.
November 17, 1992
Mr. Chris McCarthy
Sebastian Municipal Golf Club
100 East Airport Road
Sebastian, FL 32958
SUBJECT: PUMPING SYSTEM SPECIFICATIONS FOR SEBASTIAN MUNICIPAL GOLF CLUB
Dear Chris:
Thank you for the opportunity to provide the following specifications for a PSI
pre -fabricated, skid -mounted pumping system. As discussed, this represents a
condensed version of the more formal specifications previously submitted.
Nevertheless, it should provide you sufficient technical information to meet your
needs.
Please review the enclosed Company brochure, which details our expanded service
and support capabilities. I know you'll be pleased with our customer
commitments, too. Let us know if you have questions or if we can assist you in
any way.
Sincerely,
#ohA. Magi era O R }� \ CI(� p (Z I N
Customer Service R esentative
PM-SlDrc&)T
JAM/jkb
cc: Alex Elia
P.O. BOX 1525 • ONECO, FL 34264-1525 • PH. (813) 755-4589 • 1-800-624-8264
PUMPING SYSTEM
Pumping system shall be a completely skid -mounted unit, built by a
single pumping system manufacturer, with all equipment, controls,
valves and attached hardware a part of the skidded assembly. Pumps,
electric motors, hydraulic and electric control equipment, and all
equipment pertinent to and included under pumps, motors and controls
shall conform to the attached technical specifications.
Pumping system manufacturer shall supply equipment of his own
manufacture and assembly for all equipment listed above and for all
other equipment furnished by him. The manufacturer shall supply a
complete set of installation drawings, instructions, operating
instructions, and service manuals for all equipment furnished by
him.
Pumping system shall be a Variable Frequency Drive (VFD), pre-
fabricated type with a capacity of 1000 GPM at 125 psi. Station
shall be a PSI Model No. CWTP-1000-3-1800-VFD, or approved equal.
Station shall consist of a 3 HP, 3600 RPM submersible pressure
maintenance pump, and two (2) 50 HP, 1800 RPM vertical turbine main
pumps. Standard features of the pumping station shall include the
following:
50 HP, 1336VT Allen-Bradley 98% efficient PWM drive, no
equal.
UL listed, NEMA 4 rated control panel, thermal
insulated, leg mounted, with non-resettable hour meters.
All indicating lights, reset buttons, selector switches
and hour meters shall be mounted in enclosure door.
3. PLC, analog controls with door -mounted, NEMA 4 rated
operator interface.
4. 200 AMP branched fused main disconnect.
Fabricated steel discharge head with integral air relief
valve, high pressure stuffing box and silent wafer -style
check valve. Air release valves mounted tangential to
flow or on any portion of the discharge piping shall not
be acceptable.•
3" CLA-valve brand downstream relief valve piped to wet
well.
tA�00 r_)1Z1
PAGE -2-
7. Industrial, closed-loop air conditioner and dryer assembly.
8. Drive line reactor.
9. Low Intake water level safety, high discharge pressure
safety, low discharge pressure safety, individual phase
and low voltage protection for each pump motor,
lightning arrestor.
10. Overload shutdown.
11. Pumpwatch software capable of real-time data display, in
.graphic form, of: irrigation system pressure, pumping
system pressure, system flow, accumulated hours on each
pump/motor, which pumps are running, VFD output
frequency, any pump system safeties in effect, and
status of low pressure override.
12. Flowmeter with NEMA 4 digital display and integral brass
sensor (skid mounted).
13. I-beam construction, factory -tested manifolding to 500
psi (hydrostatic).
14. System Isolation Valve.
15. Freight to job site
16. Start-up services and removal of present system
17. Two-year Warranty on Mechanical Components
Three-year Warranty on Control Devices
Automatic Vertical Turbine Pumping System
Technical Specifications
Pumping System Model No. CWTP-1000-3-1800-VFD
Total Design Criteria: Quantity of Pumps: 3
Pump Check Valve
Pump Size Rating psi Drop At
No. In psi Pump Capacity
1 2" 400 --
2 6" 400 1
3 6" 400 1
Relief Valve Size: 3"
Pressure Rating: 200 psi
Pilot Setting:ginepress 145
Flowsensor Brass , Pressure Rating: 400psi
System Isolation Valve: Bq Pressure Rating: 200 psi
Service Entrance; 200 Amps, 200,000 Fault Amps, 110 RVA
460 Volts 3 Phase 60 HZ
Total Design Flow: 1000
Discharge Pressure: 125
Stationperformance
is based on a maximum lift
of five feet
measured from
grade to
static water level.
Pump Data:
Pump Design
R.P.M.
Eff. At Shutoff Column
Shaft Disch.
No. G.P.M.
Design Head Pipe ID
OD Size
1 30
3600
65% 410, 2"
.750" 21-
"2
2500
1800
81% 340, 6"
1.19" 61-
"3
3500
1800
81% 340, 6"
1.19" 6"
Pump Overall Length:
9' 6"
Minimum water
coverage
as
measured from
eye of bottom
impeller: 24"
Pump Check Valve
Pump Size Rating psi Drop At
No. In psi Pump Capacity
1 2" 400 --
2 6" 400 1
3 6" 400 1
Relief Valve Size: 3"
Pressure Rating: 200 psi
Pilot Setting:ginepress 145
Flowsensor Brass , Pressure Rating: 400psi
System Isolation Valve: Bq Pressure Rating: 200 psi
Service Entrance; 200 Amps, 200,000 Fault Amps, 110 RVA
460 Volts 3 Phase 60 HZ
Motor Starting Code G, Class F Insulation
Motor H.P. R.P.M. Service Eff.% Power
No. Factor Factor
1 3 3600
2 50 1800
3 50 1800
CFM REQUIREMENTS:
Motor No. 1 50 Hp.:
Motor No. 2 50 Hp.:
VFD AC
TOTAL CFM REQUIREMENT:
1.15 818 888
1.15 90.58 878
1.15 90.58 878
320
320
550
SUBMERSIBLE
VHS
VHS
Starting Equipment - U.L. Listed as Industrial Control Assembly:
Main Disconnect: 600 Volts, 200 Amps.
Motor Disconnect Rating Fuse Fuse AIC NEMA Size O.L. Rating
No. HP Volts Amps Amps Rating Starter In Amps
1 3 600 17 6 200,000 OXL 4.8
2 50 600 90 75 200,000 3 VFD 65
3 50 600 90 75 200,000 3XL 65
VFD Controls U.L. Listed as Industrial Control Assembly:
Operating Temp: 0 to 40 Degree C (32 to 104 F.)
Humidity: 5-958 Non -condensing
Minimum Efficiency (full load, base speed) 988
Electrical Data:
Line Reactor 75 KVA
Input Voltage: 3 phase 480 volt AC
Input Frequency: 50/60 HZ.
Output voltage: 3 phase 0-480 volt AC
Frequency Rating: 1008 continuous drive rating, Intermittent
1118 Drive rating for one minute.
Control Circuit Voltage: Internal 90 Volt AC Drive shall be of
the Pulse Width Modulated (PWM) type, Current & voltage source
drives are unacceptable.
LED Indicators shall provide:
Power on, Overload, Under Voltage, Over Voltage, "A","B","C"
Phase protection, Drive Over Temp, and Output Grounded
Diagnostics.
3
Controls U.L. Listed as Industrial Control Assembly:
Phase Failure and low voltae shutoff at 908 of motor name plate
voltage on all three legs 83g8 on one leg for five seconds.
Low discharge pressure shutdown at 105 psi after all pumps are
running for 60 seconds continuously.
High discharge pressure shutdown at 150 psi after all pumps are
running for 60 seconds continuously.
Low water level safety shutdown if water falls to within two feet
of pump suction.
PUMPING SYSTEMS INCORPORATED
SPECIFICATIONS FOR AUTOMATIC
PUMPING STATION
PREPARED FOR: SEBASTIAN MUNICIPAL G. C.
THESE SPECIFICATIONS ARE PROVIDED TO DESCRIBE AN ALTERNATE
PUMPING SYSTEM WHICH MAY BE AT VARIANCE TO ORIGINAL BID
SPECIFICATIONS. IF THE PSI DESIGN IS ACCEPTED, IT SHALL BE
BUILT TO THESE SPECIFICATIONS AND PSI SHALL NOT BE LIABLE FOR
ANY SUCH DIFFERENCES.
PSI MODEL NUMBER: CWTP-1000-3-1800-VFD
DESIGN: 1000 GPM @ 125 psi
PSI DESIGN AND SPECIFICATIONS:
ACCEPTED BY:
DATE:
TITLE:
GENERAL SPECIFICATIONS
PURPOSE !A$cK ..
1.0 To provide single -source responsibility for manufacture,
warranty, service and personnel training for the pumping system.
Pumping system shall conform to these specifications in all
respects.
1.1 This pumping system shall lift water from a shallow wet well
and automatically deliver it to the turf irrigation system.
SCOPE
2.0 Pumping system shall be a completely skid -mounted unit, built
by a single pumping systems manufacturer, with all equipment,
controls, valves and attached hardware a part of the skidded
assembly. All pumps, electric motors, hydraulic and electric
control equipment, and all equipment pertinent to and included
under pumps, motors and controls shall be furnished by a single
pumping systems manufacturer.
Pg 1 7228 elm 10/92
10717 HARRY HINES BLVD. DALLAS, TEXAS 75220 (214) 357-1320 FAX (214) 357-5861
2.1 The pumping systems manufacturer shall supply equipment of
his own manufacture and assembly for all equipment listed above
and for all other equipment furnished by him. The manufacturer
shall supply a complete set of installation drawings,
instructions, operating instructions and service and for all
other equipment furnished by him. The manufacturer shall supply
a complete set of installation drawings, instructions, operating
instructions and service manuals.
STATION BASE
3.0 A structurally sound fabricated steel base with provisions
for proper mounting and support of all equipment shall be
provided. Equipment to be mounted to the structurally sound base
shall include but not be limited to: pumps, motors, valves,
piping, tank, controls and all other equipmentspecified later in
these specifications. All components shall be mounted""'in` a
professional, workmanlike manner.
3.1 Skeletal substructure steel bases under fifteen feet in
length shall be fabricated from 6" I-beam iron. Bases longer
than 15 feet in length shall be fabricated from 8" I-beam iron.
Base shall be suitable for mounting and supporting all parts of
the pumping system. For wet well application, base shall have a
hinged wet well cover plate and base and cover plate shall
completely cover wet well or sump.,
3.3 The entire unit, with the exception of the control panel and
motor, is to be steel grit blasted with # 55 lb grit to a clean
2mm pitted profile surface and primed with a rust inhibitive
primer coat to a minimum of 2 mils. Final coat shall be an
industrial grade acrylic enamel applied to a minimum dry
thickness of 3 mils.
PUMPS, VERTICAL TURBINE
4.0 The entire pump assembly including bowl assembly, column,
shafting and discharge head shall be of U.S. manufacture. The
pumping systems manufacturer shall have a network of service
centers which shall have available:
4.1 Stock of pump components for service, repair, and
maintenance.
4.2 Pump technicians to handle service, repair, and the handling
of warranty procedures.
4.3 The pumping systems manufacturer shall make available a list
of the service centers.
4.4 Pump "wet end" components shall be manufactured by
.Worthington Pump Co, or equal.
4.5 The pumping system shall include vertical turbine pumps to
meet the requirements and engineering specifications listed in
the technical section of these specifications.
Pg 2 7228 elm 10/92
S�MK
10717 HARRY HINES BLVD. DALLAS, TEXAS 75220 (214) 357-1320 FAX (214) 357-5861
4.61 Pump head shall incorporate an integral 1" air release valve
to vent air captured in the pump column upon starting. Air
release valve shall be mounted on the horizontal plate used for
packing box mounting. Air release valves mounted tangential to
flow or on any portion of the discharge piping shall not be
acceptable.
4.7 A high pressure stuffing box shall seal off leakage around
the pump shafting. This box shall be a bypass -type packing
container which consist of a lantern ring and at least six rings
of packing. Packing shall be compressed around the shaft by an
adjustable two-piece gland. The pumped liquid shall lubricate
the shaft. The packing shall be of the self-lubricating type,
and when properly adjusted no liquid shall be allowed to drain
from around the shaft to the exterior of the pump head.
4.9 Discharge column shall conform to ASTM A106 standards. No
section shall exceed five (5) feet in length. It shall be sized
so that friction loss will not exceed five (5) feet per one
hundred (100) feet. Each section shall be subject to a pressure
test varying from a minimum of 1900 psi for 4" diameter to a
minimum of 1000 psi for 12" diameter. At each column joint a
bearing assembly shall be installed.
4.10 Column ends shall be machine -faced to provide a butt fit
between column sections to maintain alignment throughout pump
column assembly.
4.11 The shaft shall be held in place with a bronze bearing
retainer containing a water -lubricated neoprene insert designed
for vertical turbine pump service.
4.12 The bowl, suction and discharge connection shall be of
close -grained, class 35 cast-iron having a minimum tensile
strength of 30,000 psi, free from blow holes, accurately machined
and fitted to close dimensions.
4.13 Each pump bowl shall have a wear ring to prevent wear on the
bowl. The ring shall be constructed from cast-iron and be
replaceable.
4.14 All bowl bearings shall be B1 leaded red brass.
4.15 Suction case bearing shall provide for accurate alignment of
all impellers. The bearing shall be a minimum of five (5) shaft
diameters in length and shall have a bronze collar immediately
above to prevent abrasives from entering the bearing.
4.16 The impeller shall be of B1 leaded red brass, accurately
machined, finished and mechanically balanced. Each impeller
shall be securely fastened to the impeller shaft with a tapered
steel lock collet. Impellers shall be of enclosed type with
perihedral seals to provide vertical cylindrical and horizontal
surface impeller sealing. This seal shall prevent shaft stretch
from affecting pump performance. Adjustment required due to wear
shall be accomplished with a shaft adjusting nut located at the
top of the motor.
Pg 3 7228 elm 10/92
IS'NO10717 HARRY HINES BLVD. DALLAS, TEXAS 75220 (214) 357-1320 FAX (214) 357-5861
4.17 The impeller shaft shall be of stainless steel 410 ANSI
alloy of not less than 12% chromium content, having a tensile
strength of not less than 100,000 psi. No so-called rustless
iron shall be considered.
4.16 The impeller shaft shall be supported by a combination of
water lubricated, fluted rubber and bronze bearings.
4.19 The shaft's horsepower rating, machining, and straightness
tolerance shall conform to ANSI B58.1/AWWA E101 Standards.
4.20 The headshaft shall be constructed of 416 stainless steel.
It shall be of two-piece construction with a coupling between the
stuffing box and motor base on all units. Each headshaft is to
be supplied with a suitable slinger ring to prevent stuffing box
waste from entering the motors' hollowshaft.
4.21 Column shafting shall conform to the same standard as the
impeller shaft and shall be coupled with threaded couplings
constructed of 416 stainless steel.
/ 4.22 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 bearing. Bypass
lines mounted on pump discharge head are not acceptable as they
do not provide cooling flow to packing box bearing.
PUMP CHECK VALVE
5.0 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 free from blow holes, sand holes
and other impurities. Internals shall be machined bronze 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.
5.1 Valves shall be sized to permit full pump capacity to
discharge through them without exceeding a pressure drop of 3
psi. Valves shall be of the type manufactured by Empire
Specialty Co. Inc.
PIPING
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
not exceed 4.8 feet per second and
per second.
Pg 4 7228 elm 10/92
117s,n10717 HARRY HINES BLVD.
the average velocity does
at no point exceeds 9.5 feet
DALLAS, TEXAS 75220 (214) 357-1320 FAX (214) 357-5861
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
16.1 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.
16.2 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.
16.3 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
I18.0 A digital -type flowmeter shall be supplied as an integral
t 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
\G5 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
20 .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
l system pressure downstream of any filtration devices.
Pg 5 7228 elm 10/92
�V0115K
V
10717 HARRY HINES BLVD. DALLAS, TEXAS 75220 (214) 357-1320 FAX (214) 357-5861
SYSTEM ISOLATION VALVE
21.0 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
rom 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 Buna-N elastomer of one piece
construction and shall also form the flange sealing caskets. 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
V22.0 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.
Jw� \ MAIN DISCONNECT
23.0 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
ampinterrupting 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 value between
the maximum AIC of the circuit breaker and the minimum AIC of the
current -limiting fuses.
MOTOR STARTING EQUIPMENT
25.0 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.
25.1 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.
Pg 6 7228 elm 10/92
25.2 Motor starting equipment shall be U.L. Listed by the pump
9�S station manufacturer as a completed industrial control device,
"l with U.L. label attached to the panel of NEMA 4 enclosure.
25.21 Definite contactors, or IEC/NEMA dual -rated contactors
N fl shall not be acceptable. Starters shall be of the type
manufactured by Allen-Bradley Co., series 500.
MOTORS, VERTICAL HOLLOW SHAFT AND HORIZONTAL
27.0 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 service
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.
C� Motors are acceptable. Horizontal motors manufactured by Baldor,
fCentury, U.S. Motors or General Electric are acceptable.
27.1 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.
27.2 Couplings shall be bolted to the motor so as not to allow
any uncoupling or slipping during momentary pump upthrust.
27.3 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 f) full years at 24 hours
per.0ay operation.
SUBMERSIBLE PRESSURE MAINTENANCE PUMP
7�S�T 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.
27.6 Motors shall be wound for the starting configuration
necessary to be compatible with the starting equipment specified
previously.
27.7 Couplings shall be bolted to the rotor so as not to allow
any uncoupling or slipping during momentary pump upthrust.
27.8 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.
( Pg 7 7228 elm 10/92
�unnna
10717 HARRY HINES BLVD. DALLAS, TEXAS 75220 (214) 357-1320 FAX (214) 357-5861
nc
27.9 The wet end of the pump is to be manufactured by Grundfos
00 Pump Co., model no.25S.
CONTROLS
28.0 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.
28.1 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.
28.2 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.
28.3 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
J the controls enclosure. A complete wiring circuit and legend
with all terminals, components and wiring identification shall be
�C provided. All control components shall be assembled from_),E,Ie�&,O_.-
standard industrial logic components which shall be available
from major metropolitan -area vendors. J
28.4 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/O. Programmable
controls shall be provided for a three (3) year lithium battery
backup for CMOS RAM memory.
Pg 8 7228 elm 10/92
10717 HARRY HINES BLVD. DALLAS, TEXAS 75220 1214) 357-1320 FAX (2141357-5861
28.5 Industrial -grade programmable controller shall be rated to
operate at 150 degrees Farenheit 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.
28.6 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.
28.7 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% repeatability 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.
28.8 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
(0-10 VDC, 1-5 VDC-10-+10 VDC, 4-20 MA) and be fieldconvertible.
Flowmeter shall maintain a 1% repeatability and 98% accuracy.
VARIABLE FREQUENCY DRIVE CONTROL
28.9 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.
28.10 VFD will cancel the
valve for maintaining system
monitored and converted to
utilize these analog signals
pump and motor.
Pg 9 7228 elm 10/92
10717 HARRY HINES BLVD
need for a pressure -reducing control
pressure. System pressure shall be
analog signals. The drive unit shall
for variable speed control of the
DALLAS, TEXAS 75220 (214) 357-1320 FAX (214) 357-5861
28.13 VFD unit and accompanying controls shall be housed in a
single NEMA 4 enclosure. Enclosure shall include an 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.
29.13 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.
29.14 All indicator lights mounted on panel door shall be
transformer type for long life. Full -voltage lamps shall neither
be provided nor acceptable.
29.15 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.
29.16 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
30.1 System shall include the following safety, logic and
sequential circuits:
SAFETY, LOW INTAKE WATER
UvaS
30.2 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 pumps for three (3) seconds.
SAFETY, LOW DISCHARGE PRESSURE
30.3 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
Pg 10 7228 elm 10/92
PING
VMS.
10717 HARRY HINES BLVD. DALLAS, TEXAS 75220 (214) 357-1320 FAX (214) 357-5861
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
30.4 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
30.5 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)
! 34.3 The manufacturer shall supply the capability to monitor the
pumping system from a remote location through the use of a
customer -supplied, 100% IBM (PC,XT,AT) compatible personal
computer.
34.3 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 (if so equipped) , any pump system safeties in
effect, status of Low Pressure Override (if so equipped) .
34.4 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.
34.5 All software (programming) for the monitoring system shall
be directly designed and serviceable by the pump system
manufacturer.
34.6 All hardware provided by the pump systems manufacturer for
the monitoring system shall be readily available for replacement
if the need should arise. This hardware shall be of U.S.
manufacture by the U.S.-owned manufacturing facilities.
Pg 11 7228 elm 10/92
(S'Ho
10717 HARRY HINES BLVD. DALLAS, TEXAS 75220 (214) 357-1320 FAX (214) 357-5861
34.7 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 (if so equipped). 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 G%;O �plied personal computer, the data log shall
resume its activities. This data log shall consist of 1250 data
points as described above.
F 34.8 The monitoring systems shall be capable of recording each of
the data logs independent of the custommer supplied• personal
computer. The monitoring system shall be capable of downloading
the data from the pump system to the personal computer for
r storage and subsequent viewing.
34.9 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.
134.10 The manufacturer shall provide one of two possible
communications methods for the monitoring system.
34.11 The Direct Connect or Land Line method shall consist of CAi3
hardware allowing the pump system to be monitored via 18 ga.,p
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.
34.12 The Dial Up telephone method shall consist of hardware
--p
which allows the pump system to be monitored via RJ -11 (standard)
telephone lines. Communications using this method shall be
capable of attaining rates of up to 1200 baud. This method shall
allow multiple personal computers, -which have the proper
software, to communicate with the monitoring hardware located at
the pum��.sys'tem. Only one personal computer shall be -able to
commufiicate with the pump system monitor at any one time.
�NL<..o �w
34.13 The manufacturer shall supply all necessary hardware and
software for the monitoring system xcept for the following
Owµ n
cuetemer-&upp-lied equipment: 100% IBM compatible personal
5✓p�' ��
computer (PC, XT, AT, PS -2) with: DOS 2.0 or later operating
system, at least 640K available memory, CGA, EGA, or VGA video
adapter and monitor, fixed disk drive with at least 1 MB
available storage space, serial communications port available as
either COM1 or COM2.
Pg 12 7228 elm 10/92
unnm
STEMS. 10717 HARRY HINES BLVD. DALLAS, TEXAS 75220 (214) 357-1320 FAX (214) 357-5861
BOLTS
38.0 All bolts used in the assembly of the pumping system shall
be cadmium -plated to retard corrosion.
INSTALLATION OF PUMP SYSTEM
41 0__ Purchaser will be required to provide equipment and OiJF'Foj
personnel at the job site to locate and set station, install-'
,�5;nw
pumps (if vertical turbine) and connect power and discharge
piping for main irrigation line.
41.1 Pumping system manufacturer shall not be responsible for the
off-loading of the pumping system at the job site. Pumping
system manufacturer shall not be responsible for off-loading
equipment used to off-load the pumping system. Pumping system
manufacturer shall not be responsible for the installation of the
pump station.
FIELD TESTING
43.0 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 eachp
pum 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.
PAYMENT
44.0 Full payment shall be made in accordance with the terms of
the Confirmation Letter or other mutually acceptable payment
terms. If payment is not made as specified, the manufacturer is
not liable for warranty service. Payment shall constitute full
compensation for all labor, materials and equipment.
FACTORY AUTHORIZED WARRANTY
45.0 PSI,warrant4 that the water pumping system or component will
be free of defects in workmanship:
1. For tw6 ears from date of authorized start up but not later
than --- seven months from date of.P&r invoice.
2. Eligh--speed--pump and motors (3600 RPM) and systems that are
not --protected by an individual -phase safety device are limited to
one year from date of authorized start up but not later than
fifteen months from date of PSI invoice.
3. For Variable Frequency Drive systems, PSI extends the
warranty on the control devices (those items contained within the
enclosures) for an - additional year. This provision is contingent
upon twice yearly preventative maintenance performed by a factory
authorized technician during the warranty period.
Pg 13 7228 elm 10/92
�r:Jcns. 10717 HARRY HINES BLVD. DALLAS, TEXAS 75220 (214) 3571320
�,,o
(?r P NEf✓
03 / c�
FAX (214) 357-5861
e P�
Provi d that all installation, maintenance and operation 915c
respons bilities have been properly performed, PSI will repair or
replace (at PSI option) the defective pumping system or component
provided that PSI is consulted prior to repair. The start up
certificate must be on file at PSI factory to activate; i'arranty.
PSI will be responsible, subject to standard rate limitations, f
for cost of pa�t� removal, installation, and transportation for a C�fc[
failure within fiinety days of authorized and registered start up. Lja
Upon request, PSI ill provide advice for trouble' shooting and
repair of a defect.
PSI equipment incorporates high quality material and components.
As with any mechanical or.electrical device, some preventative
maintenance efforts are required to enhance service life. The 1'1
customer is encouraged to'establish a.'methodical maintenance
service program to avoid prem4ure failure. PSI supports a wide
network of technical service -agentsand recommends they be
utilized for service. Because of varied conditions beyond the
control of manufacturer, this warranty does not cover damage
under the following condition .or environment unless otherwise
specified in writing.
1. Default of any agreement with PSI. �JIOt" r6�
2. Misuse, abuse, or failure to conduct routine maintenance.
3. Handling any liquid other than irrigation "ter.
4. Exposure to electrolysis, erosion, or abrasioh->�
5. Presence of destructive gaseous or chemical solutions.
6. Over -voltage or unprotected low voltage.
7. Unprotected electrical phase loss of phase reversal.,
THE FOREGOING CONSTITUTES PSI'S SOLE WARRANTY AND HAS NOT MADE,
NOR DOES IT MAKE ANY ADDITIONAL WARRANTY, WHETHER EXPRESS OR
IMPLIED, WITH RESPECT TO THE PUMPING SYSTEM OR COMPONENT.
PSI MAKES NO WARRANTY, WHETHER EXPRESSED OR IMPLIED, WITH RESPECT
TO FITNESS F9k A PARTICULAR PURPOSE OR MERCHANTABILITY OF THE
PUMPING SYSTEM OR COMPONENT.
PSI SHALI/NOT BE LIABLE TO PURCHASER OR ANY OTHER PERSON FOR ANY
LIABILI , LOSS, OR DAMAGE CAUSED OR ALLEGED TO BE CAUSED,
DIRECT OR INDIRECTLY, BY THE PUMPING SYSTEM. IN NO EVENT SHALL
PSI B RESPONSIBLE FOR INCIDENTAL, CONSEQUENTIAL OR ACT OF GOD
DAMAGES NOR SHALL PSI'S LIABILITY FOR DAMAGES TO PURCHASER OR ANY
OTHER PERSON EVER EXCEED THE ORIGINAL FACTORY PURCHASE PRICE.
MAN
46.0 The umping system shall be of the type manufactured by
Pumping Systems; I c., of Dallas, Texas, USA, or equal approved
by the architect/en er prior to bid opening. These
specifications
shall re bace._ any
previously
proposed
specifications,
regardless of soarsse_,.
If the PSI
design is
accep-t- ,
bricated pumping sys-will
be built
to this
Pg14 7228 elm 10/92
10717 HARRY HINES BLVD. DALLAS, TEXAS 75220 (214) 357-1320 FAX (214) 357-5861
specifications. PSI shall not be liable for any such differences
should the purchaser select the PSI design. For consideration of
proposed equal pumping system, the contractor shall submit to the
customer or his designee not less than seven days prior to the
date of bid opening the following data:
46.1 A set of complete specifications on the pumping system
proposed as an equal;
46.2 A set of pump performance curves for each pump;
46.3 Complete station dimension prints showing outside dimensions
and complete station piping;
46.4 Pump station manufacturer's U.L. file Number
46.5 A manufacturer's reference list of similar irrigation pump
systems.
46.6 Pumping systems manufacturer shall also provide proof of a
single incorporation for a minimum of fifteen (15) years to
demonstrate manufacturer's solvency and long-term capability to
provide reliable service to the customer.
46.7 If the data submitted, in the opinion of the architect/
engineer, shows the proposed pumping system to be an equal to the
system specified herein, the architect/ engineer shall notify the
contractor not less than three (3) days prior to bid opening.
Pg 15 7228 elm 10/92
10717 HARRY HINES BLVD. DALLAS, TEXAS 75220 (214) 357-1320 FAX (214) 357-5861
Automatic Vertical Turbine Pumping System
Technical Specifications
Pumping System Model No. CWTP-1000-3-1800-VFD
Total Design Criteria: Quantity of Pumps: 3
Total Design Flow: 1000
Discharge Pressure: 125
Station performance is based on a maximum lift of five feet
measured from grade to static water level.
Pump Data:
Pump
Design
R.P.M.
Eff. At
Shutoff
Column
Shaft
Disch.
No.
G.P.M.
Design
Head
Pipe ID
OD
Size
1
30
3600
65%
410'
2"
.750"
2"
2
500
1800
818
340'
6"
1.19"
6"
3
500
1800
818
340,
6"
1.19"
6"
Pump Overall Length: 9' 61'
Minimum water coverage as
measured from eye of bottom impeller: 241r
Pump Check Valve
Pump Size Rating
No. In psi
1 2" 400
2 6" 400
3 6" 400
psi Drop At
Pump Capacity
1
1
Relief Valve Size: 3"
Pressure Rating: 200 psi
Pilot Setting:linepress 145
Flowsensor Brass , Pressure Rating: 400psi
System Isolation Valve: 8' Pressure Rating: 200 psi
Service Entrance; 200 Amps, 200,000 Fault Amps, 110 KVA
460 Volts 3 Phase 60 HZ
Pg 16 7228 elm 10/92
�unrma
sm.
10717 HARRY HINES BLVD. DALLAS, TEXAS 75220 (214) 357-1320 FAX (214) 357-5861
Motor Starting Code G, Class F Insulation
Motor H.P. R.P.M. Service Eff.%
No. Factor
1 3 3600
2 50 1800
3 50 1800
CFM REQUIREMENTS:
Motor No. 1 50 Hp.:
Motor No. 2 50 Hp.:
VFD AC
Power
Factor
1.15 81% 88%
1.15 90.5% 87%
1.15 90.5% 87%
320
320
550
TOTAL CFM REQUIREMENT: 1190
SUBMERSIBLE
VHS
VHS
Starting Equipment - U.L. Listed as Industrial Control Assembly:
Main Disconnect: 600 Volts, 200 Amps.
Motor
Disconnect
Rating
Fuse
Fuse AIC
NEMA Size
O.L. Rating
No.
Volts
Amps
Amps
Rating
Starter
In Amps
HP
1
3
600
17
6
200,000
OXL
4.8
2
50
600
90
75
200,000
3 VFD
65
3
50
600
90
75
200,000
3XL
65
VFD Controls U.L. Listed as Industrial Control Assembly:
Operating Temp: 0 to 40 Degree C (32 to 104 F.)
Humidity: 5-95% Non -condensing
Minimum Efficiency (full load, base speed) 98%
Electrical Data:
Line Reactor 75 KVA 3%
Input Voltage: 3 phase 480 volt AC
Input Frequency: 50/60 HZ.
Output voltage: 3 phase 0-480 volt AC
Frequency Rating: 100% continuous drive rating, Intermittent
111% Drive rating for one minute.
Control Circuit Voltage: Internal 90 Volt AC Drive shall be of
the Pulse Width Modulated (PWM) type, Current & voltage source
drives are unacceptable.
LED Indicators shall provide:
Power on, Overload, Under Voltage, Over Voltage, "A","B","C"
Phase protection, Drive Over Temp, and Output Grounded
Diagnostics.
Pg 17 7228 elm 10/92
10717 HARRY HINES BLVD.
DALLAS, TEXAS 75220 (214) 357-1320 FAX (214) 357-5861
Controls U.L. Listed as Industrial Control Assembly:
Phase Failure and low voltage shutoff at 90% of motor name plate
voltage on all three legs 83% on one leg for five seconds.
Low discharge pressure shutdown at 105 psi after all pumps are
running for 60 seconds continuously.
High discharge pressure shutdown at 150 psi after all pumps are
running for 60 seconds continuously.
Low water level safety shutdown if water falls to within two feet
of pump suction.
P17 7228 elm 10/92 END
6
10717 HARRY HINES BLVD.
DALLAS, TEXAS 75220 (214) 357-1320 FAX (214) 357-5861