Section 11005
EQUIPMENT: BASIC REQUIREMENTS
PART 1 - GENERAL
1.1 SUMMARY
A. Section Includes:
1. Requirements of this Specification
section apply to all equipment provided on the Project including that
found in Divisions 11, 12, 13, 14, 15, 16 and 17, even if not
specifically referenced in individual "Equipment" articles
of those Specification sections.
B. Related Specification sections
include but are not necessarily limited to:
1. Division 01, Additional General
Requirements
2. Section 03300, Cast-in-Place
Concrete
3. Section 03600, Grouts
4. Section 05505, Metal Fabrications
5. Section 07900, Joint Sealants
6. Section 09800, Protective Coating
7. Section 10400, Identifying Devices
8. Division 11, Equipment
9. Division 12, Furnishings
10. Division 13, Special Construction
11. Division 14, Conveying Systems
12. Division 15, Mechanical
13. Division 16, Electrical
14. Section 17034, Gauges
15. Division 17, Instrumentation and
Control
1.2 QUALITY ASSURANCE
A. Referenced Standards:
1. American Bearing Manufacturers
Association (ABMA).
2. American Gear Manufacturers
Association (AGMA).
3. ASTM International (ASTM):
E1934
Standard Guide for Examining Electrical and Mechanical
Equipment with Infrared Thermography
F593
Standard Specification for Stainless Steel Bolts, Hex
Cap Screws, and Studs
4. Hydraulic Institute (HI):
a. 9.6.4, Centrifugal and
Vertical Pumps for Vibration Measurements and
Allowable Valves.
5. International Electrotechnical
Commission (IEC).
6. Institute of Electrical and
Electronics Engineers, Inc. (IEEE)
7. International Organization for
Standardization (ISO):
1940
Mechanical Vibration - Balance Quality Requirements for Rotors in a
Constant (Rigid) State - Part 1: Specification and Verification of
Balance Tolerances.
8. National Electrical Manufacturers
Association (NEMA):
250
Enclosures for Electrical Equipment (1000 Volts
Maximum)
ICS 6
Enclosures for Industrial Control and System
MG 1
Motors and Generators
9. National Electrical Testing
Association (NETA):
ATS, Acceptance Testing
Specification for Electrical Power Distribution
Equipment and Systems.
10. National Fire Protection
Association (NFPA):
70
National Electrical Code (NEC) Article 430, Motors.
11. National Institute for
Certification in Engineering Technologies (NICET).
12. National Institute of Standards
and Technology (NIST).
13. Occupational Safety and Health
Administration (OSHA):
29 CFR 1910
Occupational Safety and Health Standards, referred to herein as OSHA
Standards.
14. Underwriters Laboratories, Inc.
(UL).
508,
Standard for Safety Industrial Control Equipment
508A
Standard for Safety Industrial Control Panels
15. Vibration Institute.
B. Vibration Testing Program:
1. Testing firm:
a. An independent firm performing,
as the sole or principal part of its business for a minimum of 10
years, the inspection, testing, calibration, and adjusting of
systems.
b. Shall have an established
monitoring and testing equipment calibration program with accuracy
traceable in an unbroken chain, according to NIST.
2. Field personnel:
a. Minimum of one (1) year
field experience covering all phases of field vibration
testing and data gathering.
b. Qualified Vibration Category I
certification from the Vibration Institute.
3. Analysis personnel:
a. Minimum three (3) years
combined field testing and data analysis experience.
b. Qualified Vibration Category II
certification from the Vibration Institute. C. Infrared
Thermography Testing Program:
1. Testing firm:
a. An independent firm performing,
as the sole or principal part of its business for a minimum of 10
years, the inspection, testing, calibration, and adjusting of
systems.
b. Shall have an established
monitoring and testing equipment calibration program with accuracy
traceable in an unbroken chain, according to NIST.
2. Field personnel:
a. Minimum of one (1) year field
experience covering all phases of field thermography testing and
data gathering.
b. Supervisor certified by NETA or
NICET.
3. Analysis personnel:
a. Minimum three (3) years
combined field testing and data analysis experience.
b. Supervisor certified by NETA or
NICET.
D. Electrical Equipment and
Connections Testing Program:
1. As required in Section 16080,
Electrical Testing.
1.3 DEFINITIONS
A. Product: Manufactured materials
and equipment.
B. Major Equipment Supports -
Supports for Equipment:
1. Located on or suspended from
elevated slabs with supported equipment weighing 2000 pounds or
greater, or;
2. Located on or suspended from
roofs with supported equipment weighing 500 pounds or greater, or;
3. Located on slab-on-grade or earth
with supported equipment weighing 5000 pounds or more.
C. Equipment:
1. One (1) or more assemblies
capable of performing a complete function.
2. Mechanical, electrical,
instrumentation or other devices requiring an electrical, pneumatic,
electronic or hydraulic connection.
3. Not limited to items
specifically referenced in "Equipment" articles
within individual Specifications.
D. Installer or Applicator:
1. Installer or applicator is the
person actually installing or applying the product in the field at
the Project site.
2. Installer and applicator are
synonymous.
1.4 SUBMITTALS
A. Shop Drawings:
1. General for all equipment:
a. Data sheets that include
manufacturer's name and complete product model number.
1) Clearly identify all optional
accessories that are included.
b. Acknowledgement that products
submitted comply with the requirements of the standards referenced.
c. Manufacturer's delivery, storage,
handling, and installation instructions.
d. Equipment identification
utilizing numbering system and name utilized in
Drawings.
e. Equipment installation details,
as applicable:
1) Location of anchorage.
2) Type, size, and materials of
construction of anchorage.
3) Anchorage setting templates.
4) Manufacturer's installation
instructions. f. Equipment area classification rating.
g. Shipping and operating weight.
h. Equipment physical
characteristics:
1) Dimensions (both horizontal and
vertical).
2) Materials of construction and
construction details. i. Equipment factory primer and paint data.
j. Manufacturer's recommended spare
parts list. k. Equipment lining and coatings.
l. Equipment utility requirements
include air, natural gas, electricity, and water. m. Ladders and
platforms provided with equipment:
1) Certification that all components
comply fully with OSHA requirements.
2) Full details of
construction/fabrication.
3) Scaled plan and sections showing
relationship to equipment.
2. Mechanical and process equipment:
a. Operating characteristics:
1) Technical information including
applicable performance curves showing specified equipment capacity,
rangeability, and efficiencies.
2) Brake horsepower requirements.
3) Copies of equipment data plates.
b. Piping and duct connection size,
type and location. c. Equipment bearing life certification.
d. Equipment foundation data:
1) Equipment center of gravity.
2) Criteria for designing vibration,
special or unbalanced forces resulting from equipment operation.
3. Electric Motor: Electric motor
submittal shall be per Specification section 16220, Electric Motors,
and include the following requirements, as applicable:
a. Performance data:
1) Motor speed-torque curve
superimposed over driven machine speed- torque curve during start-up
acceleration and at rated terminal voltage a minimum permissible or
specified terminal voltage for all motors over 50 hp.
2) Time-current plots with
acceleration versus current and thermal damage curves at the
operating and ambient temperatures and at rated terminal voltage and
minimum permissible or specified terminal voltage for all motors
over 50 hp.
3) Locked rotor and full load
current at rated terminal voltage and minimum permissible or
specified terminal voltage.
4) Starting, full load, and
breakdown torque at rated terminal voltage and minimum permissible
or specified terminal voltage.
b. Bearing data and lubrication
system. c. Certifications:
1) When utilized with a reduced
voltage starter, certify that motor and driven equipment are
compatible.
2) When utilized with a variable
frequency controller, certify motor is inverter duty and the
controller and motor are compatible.
a) Include minimum speed at which
the motor may be operated for the driven machinery.
4. Systems schematics and data:
a. Provide system schematics where
required in system specifications.
1) Acknowledge all system
components being supplied as part of the system.
2) Utilize equipment, instrument and
valving tag numbers defined in the
Contract Documents for all components.
3) Provide technical data for each
system component showing compliance with the Contract Document
requirements.
4) For piping components, identify
all utility connections, vents and drains which will be included as
part of the system.
5. For factory painted equipment,
provide paint submittals in accordance with
Specification section 09800,
Protective Coating.
6. Qualifications for:
a. Vibration testing firm and
personnel.
b. Electrical equipment and
connections testing firm and personnel.
7. Testing plans, in accordance with
PART 3 of this Specification section:
a. Vibration testing.
b. Thermography testing.
c. Electrical equipment and
connection testing. B. Miscellaneous Submittals:
1. Sample form letter for equipment
field certification.
2. Certification that equipment has
been installed properly, has been initially started up, has been
calibrated and/or adjusted as required, and is ready for operation.
3. Certification for major
equipment supports that equipment foundation design loads shown on
the Drawings or specified have been compared to actual loads
exhibited by equipment provided for this Project and that said
design loadings are equal to or greater than the loads produced by
the equipment provided.
4. Field noise testing reports
if such testing is specified in narrow-scope
Specification sections.
5. Certification from equipment
manufacturer that all manufacturer-supplied control panels that
interface in any way with other controls or panels have been
submitted to and coordinated with the supplier/installer of those
interfacing systems.
6. Certification prior to Project
closeout that electrical panel drawings for manufacturer-supplied
control panels truly represent panel wiring including any field-
made modifications.
7. Provide three (3) bound final
written reports documenting vibration monitoring and testing for
specified equipment.
a. Include the acceptance criteria
of all equipment tested.
b. Provide individual tabbed
Sections for information associated with each piece of tested
equipment.
8. Preliminary field quality control
testing format to be used as a basis for final field quality control
reporting.
9. Testing and monitoring reports in
accordance with PART 3 of this Specification section.
PART 2 - PRODUCTS
2.1 MANUFACTURED UNITS
A. General: This section is
applicable to all packaged equipment such as centrifuges, silo
dischargers, air handling units, etc.
1. Furnished equipment
manufacturer’s field quality control services and testing as
specified in the individual equipment Specification sections.
2. Execute pre-demonstration
requirements in accordance with Division 01.
3. Perform and report on all
tests required by the equipment manufacturer’s
Operation and Maintenance Manual.
4. Provide testing of electrical
equipment and connections in accordance with
Division 16.
5. Equip testing and analysis
personnel with all appropriate Project related reference
material required to perform tests, analyze results, and provide
documentation including, but not limited to:
a. Drawings and Specifications.
b. Related construction change
documentation. c. Accepted shop drawings.
d. Accepted Vendor Equipment
Manuals. e. Other pertinent information as required.
B. Equipment Monitoring and Testing
Plans:
1. Submitted and accepted in
accordance with Shop Drawing submittal schedule.
2. Included as a minimum:
a. Qualifications of firm, field
personnel, and analysis personnel doing the Work. b. List and
description of testing and analysis equipment to be utilized.
c. List of all equipment to be
testing, including:
1) Name and tag numbers identified
in the Contract Documents.
2) Manufacturer’s serial numbers.
3) Other pertinent manufacturer
identification,
C. Instruments Used in Equipment and
Connections Quality Control Testing:
1. Minimum calibration frequency:
a. Field Analog Instruments: Not
more than 6 months. b. Field Digital Instruments: Not more than 12
months.
c. Laboratory Instruments: Not more
than 12 months.
d. If instrument manufacturer’s
calibration requirements are more stringent, those requirements
shall govern.
2. Carry current calibration status
and labels on all testing instruments.
3. See individual testing
programs for additional instrumentation compliance requirements.
D. Testing and Monitoring Program
Documentation:
1. Provide reports with tabbed
sections for each piece of equipment tested.
2. Include all testing results
associated with each piece of equipment under that equipment’s
tabbed section.
a. Include legible copies of all
forms used to record field test information.
3. Prior to start of testing, submit
one (1) copy of preliminary report format for
ENGINEER review and comment
a. Include data gathering and sample
test report forms that will be utilized.
4. In the final report, include
as a minimum, the following information for all equipment
tested:
a. Equipment identification,
including:
1) Name and tag numbers identified
in the Contract Documents.
2) Manufacturer’s serial numbers.
3) Other pertinent manufacturer
identification, b. Date and time of each test.
c. Ambient conditions including
temperature, humidity, and precipitation. d. Visual inspection
report.
e. Description of test and
referenced standards, if any, followed while conducting tests.
f. Results of initial and all
retesting. g. Acceptance criteria.
h. “As found” and “as left”
conditions.
i. Corrective action, if required,
taken to meet acceptance.
j. Verification of corrective
action signed by the CONTRACTOR, equipment supplier, and ENGINEER.
k. Instrument calibration dates of
all instruments used in testing.
5. Provide three (3) bound final
reports prior to Project final completion. E. Vibration Monitoring
and Testing Program:
1. Perform vibration monitoring and
testing for equipment specified in Divisions 11,
12, 13, 14, and 15 during the
Equipment Demonstration Period.
2. Provide vibration testing on all
rotating and reciprocating equipment having driver
25 hp and greater.
3. Additional requirements for
vibration monitoring and testing equipment:
a. Frequency Response: 0.18 Hz to 25
kHz. b. Resolution: 6400 lines.
c. Amplitude Range: 18 bit for 96 dB
dynamic range.
d. Supports measurements of
acceleration, velocity, displacement, envelope demodulation for
bearing defect detection.
e. Capable of two-place computer
balancing. f. Requirements for vibration sensor:
1) Sensitivity: plus or minus 5
percent at 25 degrees C = 100 mV/g.
2) Acceleration Range: 80 g peak.
3) Amplitude Nonlinearity: 1
percent.
4) Frequency response:
a) Plus or minus 5 percent = 3-5000
Hz. b) Plus or minus 10 percent = 1-9000 Hz.
5) Permanently attach vibration test
and monitoring mounting pads to mechanical equipment at location
recommended by the equipment manufacturer or as recommended by the
testing firm.
6) Acceptability of equipment
conditions, except pumps, based on ISO
1940-1 Balance Quality Grade G2.5
criteria.
7) Acceptability of pumping
equipment to be based on HI 9.6.4 criteria.
8) Repair or replace equipment shown
to be out of range of the acceptable tolerance until the equipment
meets or exceeds acceptability standards.
F. Infrared Thermography Testing
Program:
1. Perform infrared thermography
testing for equipment specified in Divisions 11,
12, 13, 14, and 15 during the
Equipment Demonstration Period.
a. Perform on all rotating and
reciprocating equipment having drivers 25 hp or greater.
b. Perform on Electrical Equipment
and Connections: See Specification section
16080, Electrical Testing.
2. Additional requirements for
infrared thermography monitoring and testing equipment:
a. Temperature Range: -10 to 350
degrees C.
b. Accuracy: plus or minus 2 percent
or 2 degrees C, whichever is greater.
c. Repeatability: plus or minus1
percent or 1 degrees C, whichever is greater.
d. Temperature Indication
Resolution: 0.1 degrees C.
e. Minimum Focus Distance: 0.3
meters.
f. Output in Color Palettes: JPEG,
BMP, or other digital format compatible with
Windows.
3. Perform inspection per ASTM
E1934.
a. Operate VFD driven equipment at
100 percent speed during thermographic inspection.
4. Acceptability of electrical
connections and components based on temperature comparison between
components and ambient air temperatures not greater than 10 degrees
C per ASTM E1934.
5. Acceptability of motors and
equipment bearings based on temperature rise not greater than 5
degrees C above the equipment and/or bearing manufacturers published
criteria.
6. Repair or replace equipment
shown to be out of range of the acceptable tolerance until
the equipment meets or exceeds acceptability standards.
G. Electrical Equipment and
Connections Testing Program:
1. Perform testing on Division 16
equipment and connections in accordance with
Division 16 requirements.
2. Repair or replace equipment
shown to be out of range of the acceptable tolerance until
the equipment meets or exceeds acceptability standards.
H. Other Testing:
1. Perform tests and inspections not
specifically listed but required to assure equipment is safe to
energize and operate.
2. Sub-base that supports the
equipment base and that is made in the form of a cast iron or steel
structure that has supporting beams, legs, and cross members that
are cast, welded, or bolted shall be tested for a natural frequency
of vibration after equipment is mounted.
a. The ratio of the natural
frequency of the structure to the frequency of the disturbing force
shall not be between 0.5 and 1.5.
2.2 COMPONENTS
A. Gear Drives and Drive Components:
1. Size drive equipment capable of
supporting full load including losses in speed reducers and power
transmission.
2. Provide nominal input horsepower
rating of each gear or speed reducer at least equal to nameplate
horsepower of drive motor.
3. Design drive units for 24-hour
continuous service, constructed so oil leakage around shafts is
precluded.
4. Utilize gears, gear lubrication
systems, gear drives, speed reducers, speed increasers and flexible
couplings meeting applicable standards of AGMA.
5. Gear reducers:
a. Provide gear reducer totally
enclosed and oil lubricated. b. Utilize antifriction bearings
throughout.
c. Provide worm gear reducers having
a service factor of at least 1.20.
d. Furnish other helical, spiral
bevel, and combination bevel-helical gear reducers with a
service factor of at least 1.50.
2.3 ACCESSORIES A. Guards:
1. Provide each piece of equipment
having exposed moving parts with full length, easily removable
guards, meeting OSHA requirements.
2. Interior applications:
a. Construct from expanded
galvanized steel rolled to conform to shaft or coupling
surface.
b. Utilize non-flattened type 16
gauge galvanized steel with nominal 1/2 inch spacing.
c. Connect to equipment frame with
hot-dip galvanized bolts and wing nuts.
3. Exterior applications:
a. Construct from 16 gauge 316
stainless steel or aluminum. b. Construct to preclude entrance of
rain, snow, or moisture. c. Roll to conform to shaft or coupling
surface.
d. Connect to equipment frame with
stainless steel bolts and wing nuts. B. Anchorage:
1. Cast-in-place anchorage:
a. Provide ASTM F593, Type 316
stainless steel anchorage for all equipment.
b. Configuration and number of
anchor bolts shall be per manufacturer's recommendations.
c. Provide two (2) nuts for each
bolt.
2. Drilled anchorage:
a. Adhesive anchors per
Specification section 05505, Metal Fabrications. b. Epoxy grout
per Specification section 03600, Grouts.
c. Threaded rods same as
cast-in-place. C. Data Plate:
1. Attach a stainless steel data
plate to each piece of rotary or reciprocating equipment.
2. Permanently stamp information on
data plate including manufacturer's name, equipment operating
parameters, serial number and speed.
D. Gauges:
1. Provide gauges in accordance with
Specification section 17034, Gauges.
2. Provide at the following
locations:
a. Inlet and outlet of all
reciprocating, centrifugal and positive displacement mechanical and
process equipment.
b. At locations identified on the
Drawings. E. Lifting Eye Bolts or Lugs:
1. Provide on all equipment 50
pounds or greater.
2. Provide on other equipment or
products as specified in the narrow-scope
Specification sections.
F. Platforms and Ladders, as
Indicated on the Drawings:
1. Design and fabricate in
accordance with OSHA Standards.
2. Fabricate components from
aluminum.
3. Provide Platform Surface:
Non-skid grating, unless specified in narrow-scope
Specification sections.
2.4 FABRICATION
A. Design, fabricate, and assemble
equipment in accordance with modern engineering and shop practices.
B. Manufacture individual parts to
standard sizes and gauges so that repair parts, furnished at any
time, can be installed in field.
C. Furnish like parts of duplicate
units to be interchangeable.
D. Ensure that equipment has not been
in service at any time prior to delivery, except as required by
tests.
E. Furnish equipment which requires
periodic internal inspection or adjustment with access panels which
will not require disassembly of guards, dismantling of piping or
equipment or similar major efforts.
1. Quick opening but sound,
securable access ports or windows shall be provided for inspection
of chains, belts, or similar items.
F. Provide common, lipped base plate
mounting for equipment and equipment motor where said mounting is a
manufacturer's standard option.
1. Provide drain connection for 3/4
inch PVC tubing. G. Machine the mounting feet of rotating
equipment.
H. Fabricate equipment which will be
subject to corrosive environment in such a way as to avoid back to
back placement of surfaces that can not be properly prepared and
painted.
1. When such back to back
fabrication can not be avoided, provide continuous welds to seal
such surfaces from contact with corrosive environment.
2. Where continuous welds are not
practical, after painting seal the back to back surfaces from the
environment in accordance with Specification section 07900, Joint
Sealants.
I. Critical Speed:
1. All rotating parts accurately
machined and in as near perfect rotational balance as practicable.
2. Excessive vibration is sufficient
cause for equipment rejection.
3. Ratio of All Rotative Speeds to
Critical Speed of a Unit or Components: Greater than 1.2.
J. Control panels engineered and
provided with the equipment by the manufacturer are covered under
Section 16442, Control Panels, and Section 17405, Process
Instrumentation and Control.
2.5 SHOP OR FACTORY PAINT
FINISHES A. Electrical Equipment:
1. Provide factory-applied paint
coating system(s) for all electrical equipment components except
those specified in Specification section 09800, Protective
Coating, to receive field painting only.
a. Field Painted Equipment: See
Specification section 09800, Protective
Coating, for factory applied
primer/field paint compatibility requirements.
B. Field paint other equipment
in accordance with Specification section 09800, Protective
Coating.
1. See Specification section
09800, Protective Coating, for factory applied primer/field
paint compatibility requirements.
2.6 SOURCE QUALITY CONTROL A.
Motor Tests:
1. Test motors in accordance with
NEMA and IEEE standards.
2. Provide routine test for all
motors.
3. Pumps and associated gear trains
shall be designed such that VFDs shall not be required to operate
higher than 60 Hz at full load.
PART 3 - EXECUTION
3.1 INSTALLATION
A. Install equipment as shown on the
Drawings and in accordance with manufacturer's directions.
B. Utilize templates for anchorage
placement for slab-mounted equipment.
C. For equipment having drainage
requirements such as seal water, provide 3/4 inch
PVC or clear plastic tubing from
equipment base to nearest floor or equipment drain.
1. Route clear of major traffic
areas and as accepted by ENGINEER.
D. DO NOT construct foundations until
major equipment supports are accepted by the
ENGINEER in shop drawing submittal.
E. Extend all non-accessible grease
fittings using stainless steel tubing to a location which allows
easy access of fittings from closest operating floor level.
F. Equipment Base:
1. Construct level in both
directions.
2. Take particular care at anchor
bolt locations so these areas are flat and level. G. Machine Base:
1. Mount machine base of rotating
equipment on equipment base.
a. Level in both directions, using a
machinist level, according to machined surfaces on base.
2. Level machine base on equipment
base and align couplings between driver and driven unit using steel
blocks and shims.
a. Size blocks and shims to
provide solid support at each mounting bolt location.
1) Provide area size of blocks and
shims approximately 1-1/2 times area support surface at each
mounting bolt point.
b. Provide blocks and shims at each
mounting bolt.
1) Furnish blocks and shims that are
square shape with "U" cut out to allow blocks and shims to
be centered on mounting bolts.
c. After all leveling and alignment
has been completed and before grouting, tighten mounting bolts to
proper torque value.
H. Couplings:
1. Align in the annular and parallel
positions.
a. For equipment rotating at 1200
rpm or less, align both annular and parallel within 0.001 inch
tolerance for couplings 4 inches size and smaller.
1) Couplings Larger than 4-Inch
Size: Increase tolerance 0.0005 inch per inches of coupling
diameter, i.e., allow 6 inch coupling 0.002 inch tolerance, and
allow a 10 inch coupling 0.004 inch tolerance.
b. For equipment rotating at speeds
greater than 1200 rpm allow both annular and parallel positions
within a tolerance rate of 0.00025 inch per inch coupling diameter.
2. If equipment is delivered as a
mounted unit from factory, verify factory alignment on site after
installation and realigned if necessary.
3. Check surfaces for runout before
attempting to trim or align units.
I. Grouting:
1. After machine base has been
shimmed, leveled onto equipment base, couplings aligned and
mounting bolts tightened to correct torque value, place a
dam or formwork around base to contain grouting between equipment
base and equipment support pad.
a. Extend dam or formwork to cover
leveling shims and blocks. b. Do not use nuts below the machine
base to level the unit.
2. Saturate top of roughened
concrete subbase with water before grouting.
a. Add grout until entire space
under machine base is filled to the top of the base underside.
b. Puddle grout by working a stiff
wire through the grout and vent holes to work grout in place and
release any entrained air in the grout or base cavity.
3. When the grout has sufficiently
hardened, remove dam or formwork and finish the exposed grout
surface to fine, smooth surface.
a. Cover exposed grout surfaces with
wet burlap and keep covering sufficiently wet to prevent too rapid
evaporation of water from the grout.
b. When the grout has fully hardened
(after a minimum of seven (7) days) tighten all anchor bolts to
engage equipment base to grout, shims, and equipment support
pad.
c. Recheck driver-driven unit for
proper alignment.
3.2 INSTALLATION CHECKS
A. For all equipment specifically
required in detailed Specifications, secure services of experienced,
competent, and authorized representative(s) of equipment
manufacturer to visit site of Work and inspect, check, adjust and
approve equipment installation.
1. In each case, representative(s)
shall be present during placement and start-up of equipment and as
often as necessary to resolve any operational issues which may
arise.
B. Secure from equipment
manufacturer's representative(s) a written report certifying that
equipment:
1. Has been properly installed and
lubricated.
2. Is in accurate alignment.
3. Is free from any undue stress
imposed by connecting piping or anchor bolts.
4. Has been operated under full load
conditions and that it operated satisfactorily.
a. Secure and deliver a field
written report to OCSD immediately prior to leaving jobsite.
C. No separate payment shall be made
for installation checks.
1. All or any time expended during
installation check does not qualify as Operation and Maintenance
training or instruction time when specified.
3.3 IDENTIFICATION OF EQUIPMENT
AND HAZARD WARNING SIGNS
A. Identify equipment and install
hazard warning signs in accordance with Specification section 10400,
Identifying Devices, and 16075, Electrical Identification Nameplates
and Warning Signs.
3.4 FIELD PAINTING AND PROTECTIVE
COATINGS
A. For required field painting and
protective coatings, comply with Specification section
09800, Protective Coating.
3.5 FIELD QUALITY CONTROL
A. Furnish equipment manufacturer
services as specified in the individual equipment
Specifications.
B. Inspect wire and connections for
physical damage and proper connection. C. Bump motor to check for
correct rotation:
1. Ensure motor has been lubricated.
2. Check prior to connection to
driven equipment.
D. Subbase that supports the
equipment base and that is made in the form of a cast iron or steel
structure that has supporting beams, legs and cross member that are
cast welded or bolted, shall be tested for a natural frequency of
vibration after equipment is mounted.
1. Keep the ratio of the natural
frequency of the structure to the frequency of the disturbing force
out of the range from 0.5 to 1.5.
E. Equipment Vibration Monitoring
and Testing:
1. Utilize an ENGINEER accepted
testing agency to perform vibration monitoring and testing on
equipment defined in the schedule at the end of this Section.
2. Permanently attach vibration
test and monitoring mounting pads to the equipment at
locations recommended by the equipment manufacturer or as
recommended by the vibration testing agency.
3. Utilize mounting pads suitable
for permanent installation and for incorporation into a predictable
maintenance program.
4. For variable speed equipment
provide vibration testing at 1 Hz increments throughout entire
operating range.
5. Diagnosis to include, but is not
limited to the following:
a. Unbalance.
b. Misalignment. c. Bent shaft.
d. Journal bearing related problems.
e. Rolling contract bearing problems. f. Mechanical looseness.
g. Resonance.
h. Foundation flexibility.
i. Electrically induced problems. j.
Pump problems.
k. Fan problems.
l. Coupling problems. m. Drive belt
problems. n. Gear problems.
o. Centrifugal compressor problems.
p. Electric motor induced vibration
from VFD or VFD carrier frequency.
6. Provide machinery condition
diagnosis based on an acceptable machinery vibration severity
guide or machinery fault guide analysis provided by the testing
agency, ISO 1940 Balance Quality Grade 6.3 as a minimum.
7. Tolerances for pumping equipment
shall be per HI published standards.
8. Repair or replace equipment shown
to be out of range of the specified tolerance until the equipment
meets the specified normal operation range required in the machinery
fault guide analysis.
9. Document testing with written
report.
a. Report to include initial testing
results, acceptance criteria, corrective action taken to meet
acceptance, verification of corrective action and acceptance report
and baseline.
3.6 DEMONSTRATION
A. Demonstrate equipment in
accordance with Division 01.
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