REQUEST FOR QUOTE
Law Enforcement Center
Generator NESHAP Modifications
Issued: March 5, 2014
Quotes are Due
March 20th, 2014 at 11:00 a.m.
At
Facilities Management, Room 2500
Dakota County Administration Center
1590 Highway 55
Hastings, MN 55033
Pre-quote Meeting is 10:00 a.m. March 12th.
At
Dakota County Hastings Campus Service Area
1675 W. 4th Street
Hastings MN 55033
All questions and requests shall be directed to:
Scott Daggett, Project Manager
Dakota County Capital Projects
1590 Highway 55
Hastings MN 55033
Phone 651.438.4354
Scott.daggett@co.dakota.mn.us
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Contract Documents for LEC Generator NESHAP Modifications
GENERAL CONDITIONS OF
CONTRACT WITH THE COUNTY OF DAKOTA
FOR LABOR AND MATERIALS
INDEPENDENT CONTRACTOR. Contractor is an independent contractor and nothing in this Contract shall be construed to
create the relationship of agents, partners, joint venturers, associates, or employer and employee between the County and
Contractor.
TIMELINESS Time is of the essence in this Contract. The failure of either party to perform its obligations in a timely manner
may be considered by the other party as a material breach.
FORCE MAJEURE. Neither party shall be liable to the other party for any loss or damage resulting from a delay or failure to
perform due to unforeseeable acts or events outside the defaulting party's reasonable control, providing the defaulting party gives
notice to the other party as soon as possible. Acts and events may include acts of God, acts of terrorism, war, fire, flood, epidemic,
acts of civil or military authority, and natural disasters.
LICENSES. At its own expense, Contractor shall procure all licenses, permits or other rights required for the provision of services
contemplated by this Contract. Contractor shall inform the County of any changes in the above within five (5) days of occurrence.
INDEMNIFICATION. Any and all claims that arise or may arise against Contractor, its agents, servants or employees as a
consequence of any act or omission on the part of Contractor or its agents, servants, employees while engaged in the performance
of the Contract shall in no way be the obligation or responsibility of the County. Contractor shall indemnify, hold harmless and
defend the County, its officers and employees against any and all liability, loss, costs, damages, expenses, claims or actions,
including attorney's fees which the County, its officers or employees may hereafter sustain, incur or be required to pay, arising out
of or by reason of any act or omission of Contractor, its agents, servants or employees, in the execution, performance, or failure to
adequately perform Contractor's obligations pursuant to this Contract.
ASSIGNMENT/SUBCONTRACTING. The Contractor shall not assign or subcontract this Contract without prior written consent
of the County, in which case Contractor is responsible for the performance of its subcontractors or assignees. Contractor shall
follow the requirements of Minn. Stat. § 471.425 (payments to subcontractors), shall require the subcontractor to provide proof of
the below-described insurance to the County prior to beginning work under this Agreement and shall require the subcontractor to
agree in writing to defend, hold harmless and indemnify the County from any and all liability arising out of the subcontractor’s
performance of its duties. Contractor shall require each subcontractor, to the extent of the work to be by the subcontractor, to be
bound to the contractor by the terms of this contract.
INSURANCE TERMS.
Contractor shall provide to the County, prior to or concurrent with the execution of this Contract, certificate(s) of insurance
naming Dakota County as certificate holder or certified copies of such existing policies of insurance, demonstrating:
General liability coverage of at least $1,500,000 per occurrence and aggregate and naming Dakota County as an
additional insured;
Automobile liability coverage of at least $1,500,000 per occurrence and aggregate and naming Dakota County as an
additional insured,
Workers’ compensation coverage or certification of excluded employment from workers’ compensation requirements.
Contractor shall pay all retentions and deductibles under such policies of insurance. If Contractor does not have existing
coverage(s) or has coverage(s) in limits less than that set out above, Contractor must obtain from the County, prior to or
concurrent with the execution of this Contract, a waiver of the coverage(s) or agreement to lower coverage limits from the County.
BOND FOR G/HVACR CONTRACTORS. In accordance with Minn. Stat. § 326.992, if Contractor will be performing any work
having to do with gas, heating, ventilation, cooling, air conditioning, fuel burning or refrigeration, the Contractor must give bond
in the amount of $25,000 to the State of Minnesota for the benefit of persons suffering financial loss by reason of Contractor’s
failure to comply with the requirements of the State Mechanical Code.
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RECORDS/AUDITS. Contractor's bonds, records, documents, papers, accounting procedures and practices, and other evidences
relevant to this Contract are subject to the examination, duplication, transcription and audit by the County and either the
Legislative or State Auditor, pursuant to Minn. Stat. § 16C.05, subd. 5. Such evidences are also subject to review by the
Comptroller General of the United States, or a duly authorized representative, if federal funds are used for any work under this
Contract. The Contractor agrees to maintain such evidences for a period of six (6) years from the date services or payment were
last provided or made or longer if any audit in progress requires a longer retention period.
DATA PRIVACY. For purposes of this Contract all data on individuals collected, created, received, maintained or disseminated
shall be administered consistent with the Minnesota Government Data Practices Act, Minnesota Statutes Chapter 13, and the
Minnesota Rules implementing the Act now in force or hereafter adopted as well as Federal laws on data privacy, and Contractor
must comply with those requirements as if it were a governmental entity. The Contractor will strictly comply with these statutes
and rules. All subcontracts shall contain the same or similar data practices compliance requirements.
CONFIDENTIALITY CLAUSE. Contractor acknowledges that the County in connection with Contractor’s performance of this
Agreement may transmit certain private or Confidential Information, as defined in the Minnesota Data Practices Act, to
Contractor. Contractor agrees to implement such procedures as are necessary to assure protection of the private and Confidential
Information.
COMPLIANCE WITH LAWS/STANDARDS. Contractor shall abide by all Federal, State and local laws; statutes, ordinances,
rules and regulations pertaining to this Contract and this Contract shall be construed in accordance with the substantive and
procedural laws of the State of Minnesota. All proceedings related to this Contract shall be venued in the County of Dakota, State
of Minnesota.
NON-DISCRIMINATION. Contractor agrees that, in the hiring of all labor for the performance of any work under this Contract,
it will not, by reason of race, creed, color, sex, national origin, disability, sexual orientation, age, marital status or public assistance
status, discriminate against any person who is a citizen of the United States and who qualifies and is available to perform the work
to which such employment relates. Contractor agrees to comply with all Federal, State, and local non-discrimination laws and
ordinances, in particular the applicable provisions of the Civil Rights Act of 1964, as amended by the Equal Employment
Opportunity Act of 1972. When required by law or requested by the County, Contractor shall furnish a written affirmative action
plan.
CONTRACTOR DEBARMENT, SUSPENSION AND RESPONSIBILITY CERTIFICATION. By signing this Contract the
Contractor is certifying that the federal government or the Minnesota Commissioner of Administration has not suspended or
debarred the Contractor or its Principals and Employees, based upon Federal Regulation 45 CFR 92.35 and Minn. Stat. §16C.03,
subd. 2 respectively. Contractors may be suspended or debarred when it is determined, through a duly authorized hearing process,
that they have abused the public trust in a serious manner.
EXPRESS WARRANTIES
Contractor expressly warrants that all goods and products and workmanship provided under this Agreement shall conform to the
County’s specifications as described in this Agreement. Contractor shall replace any non-conforming goods and products and
remedy any defects in the work and pay for any damage to other work resulting from the non-conforming work, at its own
expense, and pay for any damage to other goods or products resulting from the non-conforming goods or products, that shall
appear within a period of TWELVE MONTHS from the date of final acceptance by County of the goods or products, or other
specified warranty period contained herein.
Neither the final certificate of payment nor any provision in the contract documents nor partial or entire use of the final products
and work by the County shall constitute an acceptance of work not done in accordance with the contract documents or relieve
Contractor of liability in respect to any express warranties or responsibility for faulty materials or workmanship. The County will
give notice of observed defects with reasonable promptness.
TERMINATION WITHOUT CAUSE. The County upon thirty (30) days written notice to the Contractor may terminate this
Contract without cause.
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TERMINATION FOR CAUSE. In addition to other specifically stated terms of this Contract or as otherwise provided by law, the
following conditions, unless excused shall warrant termination of this Contract for cause:
A.
Making material misrepresentations either in the attached exhibits and documents or in any other
material provision or condition relied upon in the making of this Contract.
B.
Failure to provide services or payment called for by this Contract within the time specified herein or
any extension thereof.
C.
Failure to perform any other material provision of this Contract.
D.
Failure to diligently administer the work so as to endanger performance of the terms of this Contract.
NOTICE. Either party may terminate this Contract for cause by giving seven (7) days written notice of its intent to terminate to
the other party unless a different procedure and/or effective date is provided within the specific article or paragraph of this
Contract under which the default, failure or termination occurs. Said notice shall specify the circumstances warranting termination
of the Contract. The terminating party has the option, but is not required, to provide the other party an opportunity to cure the
specified default. If an opportunity to cure is provided, it shall be specifically described in the notice of termination.
DELIVERY OF NOTICE/EFFECTIVE DATE. Notice of termination for cause or without cause shall be made by certified mail
or personal delivery to the authorized agent of the other party. Notice is deemed effective upon delivery of the Notice of
Termination to the name and address of the person who signs this Contract for each party.
DUTIES OF CONTRACTOR UPON TERMINATION WITH CAUSE OR WITHOUT CAUSE. Upon delivery of the Notice of
Termination, and except as otherwise provided, Contractor shall:
A.
Discontinue provision of services under this Contract on the date and to the extent specified in the Notice of Termination.
B.
Immediately notify all clients who are receiving services pursuant to this Contract.
C.
Cancel all orders and subcontracts to the extent that they relate to the performance of services cancelled by the Notice of
Termination.
D.
Complete performance of such services as shall not have been cancelled by the Notice of Termination.
E.
Return all County property in their possession within seven (7) days to the extent that it relates to the performance of
services cancelled by the Notice of Termination.
F.
Submit an invoice for the performance of services prior to the effective date of termination within thirty (30) days of said
date.
G.
Maintain all records relating to the performance of the Contract as may be required by the County or State law.
DUTIES OF COUNTY UPON TERMINATION OF THE CONTRACT FOR CAUSE OR WITHOUT CAUSE. Upon delivery of
the Notice of Termination, and except as otherwise provided, the County:
A.
Shall make within 30 days of its receipt of Contractor’s invoice referenced in paragraph F above, final payment for any
services satisfactorily provided up through the date of termination in accordance with the terms of this Contract.
B.
Shall not be liable for any services provided after notice of termination, except as stated above or as authorized by the
County in writing.
EFFECT OF TERMINATION FOR CAUSE OR WITHOUT CAUSE. Termination of this Contract shall not discharge any
liability, responsibility or right of any party that arises from the performance of or failure to adequately perform the terms of this
Contract prior to the effective date of termination.
TERMINATION BY COUNTY – LACK OF FUNDING. Notwithstanding any provision of this Contract to the contrary, the
County may immediately terminate this Contract if it does not obtain funding from the Minnesota Legislature, Minnesota Agencies
or other funding source, or if its funding cannot be continued at a level sufficient to allow payment of the amounts due under this
Contract. Written notice of termination sent by the County to Contractor by facsimile is sufficient notice under the terms of this
Contract. The County is not obligated to pay for any services that are provided after written notice of termination for lack of
funding. The County will not be assessed any penalty or damages if the Contract is terminated due to lack of funding.
DAMAGES FOR BREACH/SET-OFF. Notwithstanding any other provision of this Contract to the contrary, upon breach of this
Contract by Contractor the County may withhold final payment due Contractor for purposes of set-off until such time as the exact
amount of damages due is determined.
MODIFICATIONS. Any alterations, variations, modifications, or waivers of the provisions of this Contract shall only be valid
when they have been reduced to writing and signed by the authorized representatives of the parties.
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WAGE WITHHOLDING TAX. Pursuant to Minn. Stat. §290.97, Dakota County shall make final payment to Contractor only
upon satisfactory showing that contractor and any subcontractors have complied with the provisions of Minn. Stat. §290.92 with
respect to withholding taxes, penalties, or interest arising from this contract. A certificate by the commissioner of revenue
(Minnesota Department of Revenue Form IC-134, entitled “Withholding Affidavit for Contractors”) shall satisfy this requirement
with respect to the contractor or subcontractor. Form IC-134 Form and Instructions are found at
http://www.taxes.state.mn.us/forms/ic134.pdf.
SECURITY. The Contractor shall take all reasonable precautions to maintain security and confidentiality of information found
throughout County buildings and to ensure that individuals who pose a security risk do not gain access to County buildings.
Contractor shall instruct its personnel to: 1) lock all main doors; 2) refrain from opening filing cabinets, drawers or desks, and; 3)
refrain from reading any documents or materials found in any non-public area.
SECURITY CLEARANCE. NOT REQUIRED. Contractor shall obtain from each employee an authorization from the employee
for a release of criminal history data to both the County and Contractor. The criminal history data shall include a criminal history
from the Minnesota Bureau of Criminal Apprehension (BCA) and any other source Contractor deems necessary to ensure that
individuals who pose a security risk do not gain access to County buildings. Contractor shall use forms approved by the County
for the release of criminal history that is to be signed by their employee pursuant to this section. Contractor understands and
agrees that it is responsible for obtaining a security clearance from the County for all employees that will have access to County
Buildings under this Agreement.
Contractor shall forward a copy of the release of criminal history and a copy of the original criminal history results for each such
employee to the County. The criminal history results shall describe who obtained the results and how the results were obtained.
The results shall be provided by Contractor to County directly from the source of the criminal history data.
No employee of the Contractor shall have access to any county buildings under this Agreement until the County approves in
writing a security clearance for that employee.
IDENTIFICATION BADGE. County in their sole discretion will issue identification badges to employees of Contractor after
completion of the background investigation on such employee. Each employee of Contractor is required to possess on their person
a valid County issued identification badge in order for that employee to have access to any County buildings under this
Agreement. Contractor shall immediately notify County, as soon as Contractor has knowledge, of any felony conviction of an
employee of Contractor who possesses a County issued identification badge. Contractor shall immediately return such employee's
County issued identification badge to County and shall deny such employee any further access to all County buildings pending
further direction from the County.
END OF GENERAL CONDITIONS
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PROJECT SPECIFIC CONDITIONS
PSC-1 QUALIFICATIONS OF BIDDERS
Bids will be considered only from Bidders with experience and customer references that demonstrate the
ability to perform the work being requested. Provide a list of at least five references from similar projects in
the last 5 years. The following information must be included:
1) Name of City, Agency, Company, or Organization
2) Type of system installed
3) Contact person and telephone number
4) Description of work performed
PSC-2 PRE-BID MEETING
The Bidder shall be familiar with the conditions under which this work is to be done and with the type of
obstacles to be overcome. The pre-bid meeting will provide access to the generators and surrounding work
areas. The pre-bid meeting is 9:00 a.m. January 31st at the Dakota County Administration Center 1590
Highway 55, Hastings MN 55033.
PSC-3 PRE-INSTALLATION MEETING
As soon as practical, after a notice to proceed or execution of the contract a pre-installation meeting will be
held between contractor and owner to schedule and coordinate the work.
PSC-4 PROJECT SCOPE
The contractor will provide, install, and test oxidation catalyst systems on the generator listed to comply with
the EPA Rule 40 CFR Parts 60 and 63 NESHAP for RICE.
Law Enforcement Center
1580 Highway 55
Hastings MN 55033
600 KW Cummins
PSC-5 MAINTENANCE
The purpose is to identify any and all future maintenance costs for the equipment/systems being installed.
Provide this maintenance information with your bid to include:
1. Major parts including catalyst elements and prices
2. Manufacturer required maintenance and cost
3. Installer recommended maintenance and cost
4. The estimated service life of major components running under existing facility loads between 50-100
hours per year.
5. List any software upgrades and their costs that may be needed to maintain a fully functional
monitoring system for the service life of the equipment being monitored.
PSC-6 COMPLIANCE
The Owner intends to use an independent testing firm to measure and document the exhaust system pressure drop
and performance of the combination exhaust silencer / oxidation catalyst and monitoring system provided under this
Contract. This will be the means by which compliance with these specifications will be determined.
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GENERAL REQUIREMENTS
1.02
SUBMITTALS
A.
Welding certificates.
B.
Project Schedule:
A project schedule (bar chart) showing the major activities with their
commencement dates and projected completion dates shall be issued to Owner/Engineer within five
(5) business days after receipt of order. This schedule shall be resubmitted at any time changes are
made.
C. Product Data: Include drawings, performance data, operating characteristics, furnished specialties,
and accessories to completely describe the systems and equipment furnished under this Contract.
1. Combination exhaust silencer / oxidation catalyst(s), including sound attenuation curves and
exhaust pressure drop data.
2. Piping materials.
3. Continuous parameter monitoring system(s) and related accessories.
4. Crankcase ventilation systems.
D. Shop Drawings: For furnished equipment, include plans, elevations, sections, details, and
attachments to other work.
1. Detail equipment assemblies and indicate dimensions, weights, loads, required clearances,
method of field assembly, components, and location and size of each field connection.
2. Wiring Diagrams: Power, signal, and control wiring.
3. Submit a color palette of manufacturer’s standard colors for Owner review and selection.
E.
Operation and Maintenance Data: Furnish emergency, operation, and maintenance manuals for the
equipment provided under this Contract.
F.
As-Built Equipment Drawings: Within one (1) week after equipment is delivered to the Project site,
submit four (4) sets of “as-built drawings" with all revisions noted, certified and dated.
G. As-Built Installation Drawings: Within two weeks of Substantial Completion, submit two (2) sets of
“as-built drawings" with all revisions noted and dated. Refer to Article G-26, Paragraph 1.4 of the
General Conditions for Construction for more information.
H. Site-specific monitoring plan, as specified in this Section.
I.
1.03
A.
Warranty: Special warranty specified in this Section.
DELIVERY, STORAGE, AND HANDLING
General Requirements:
1. Deliver, store and handle products in accordance with the manufacturer’s recommendations.
2. Schedule and coordinate the delivery of materials to ensure personnel and equipment will be
available at the Site.
3. Prevent damage, deterioration, soiling, and loss, including theft.
4. The Contractor is responsible to unload the delivered equipment. The Owner is unable to
provide assistance. The Owner will not sign for project deliveries.
5. Lift and support units with manufacturer's designated lifting or supporting points.
6. Repair or replace damaged materials at no additional cost to the Owner.
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B.
Packing and Shipping: Deliver products to the jobsite in manufacturer’s sealed containers bearing
the manufacturer’s name and brand, and appropriate UL labels for fire hazard and fire resistance
classification. Protect equipment as necessary to ensure freedom from damage and deterioration.
C. Acceptance at Site:
1. The Contractor will promptly inspect shipments to ensure that:
a. Products comply with requirements.
b. Quantities are correct.
c. Products are undamaged.
2. Replace damaged or defective materials.
D. Storage and Protection:
1. The Owner has limited storage capabilities at the Site. Coordinate requirements with Owner.
2. The Contractor will:
a. Store with manufacturer’s seals and labels intact and legible.
b. Store sensitive products in weather-tight, climate-controlled enclosures.
c. Cover products subject to deterioration with impervious sheet covering, providing ventilation
to avoid condensation.
d. For exterior storage of fabricated products, place on sloped supports, above ground.
e. Provide off-site storage and protection when Site does not permit on-site storage or
protection.
f. Protect stored materials from damage by adjacent work, falling debris, or equipment.
g. Arrange storage of products to permit access for inspection. Periodically inspect to assure
products are undamaged and are maintained under required conditions.
1.04
A.
1.05
WARRANTY
Special Warranty: Contractor's standard form in which the Contractor agrees to repair or replace the
equipment provided under this Contract that fail in materials or workmanship within specified
warranty period.
1. Warranty Period: Minimum of two (2) years from date of final acceptance by the Owner.
2. Exclusions: Contractor to specify limitations to warranty as part of the bid submittal.
EXAMINATION
A.
Examine existing conditions for compliance with requirements for installation and other conditions
affecting equipment performance.
B.
Examine roughing-in of piping systems.
installation.
Verify actual locations of connections equipment
C. Proceed with installation only after unsatisfactory conditions have been corrected.
1.06
INSTALLATION
A.
Provide field labor and supervision, all equipment and tools, including hand tools, portable to heavy,
lifts, consumables, project management, planning and scheduling, professional or subcontracted
services and any expenses incurred for transportation, fuel, lodging, and logistics.
B.
Comply with manufacturers’ written installation instructions.
C. Disconnect, remove, and dispose of unnecessary exhaust system piping, associated components,
and crankcase ventilation piping. Owner reserves the right to retain any materials removed. All
unwanted property shall become the property of the Contractor and removed from the premises.
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D. Install new equipment foundations and structural supports as required.
E.
Install combination engine exhaust silencer / oxidation catalysts, exhaust system piping,
accessories, hangers and supports, insulation and cladding for complete installation.
F.
Install continuous parameter monitoring system, accessories and sensing elements as outlined.
Refer to, and coordinate with, the Drawings for more information.
1. Provide one-half inch stainless steel tubing between the combination engine exhaust silencer /
oxidation catalyst housing and the pressure transmitter(s). All tubing shall be supported every 5
feet or change in direction, and be installed tight to structure, as applicable. Tubing runs shall
follow surface contours where practical, and be parallel or perpendicular to building structure and
surfaces, and elbows, offsets and bends shall be uniform and symmetrical. Diagonal runs of
tubing are not allowed.
2. The tubing shall not interfere with catalyst access or replacement of the pressure transmitter(s).
3. Provide pressure snubbers at each connection to the pressure transmitter(s).
a. Snubbers: All stainless steel construction, NPS 1/4 or NPS ½, ASME B1.20.1 pipe threads
and porous-metal-type surge dampening device. Suitable for engine exhaust gases. Omega
PS Series or equivalent.
4. Mount, pipe, and install the pressure transmitter(s) above and away from the combination engine
exhaust silencer / oxidation catalyst housing pipe couplings. Maintain a minimum of five feet
clearance between insulated exhaust piping. Coordinate installation with other installation
trades.
5. Mount and install the thermocouple in the combination engine exhaust silencer / oxidation
catalyst housing. Refer to the Drawings for installation details. Maintain access for maintenance
and replacement of device.
G. Install crankcase ventilation system, accessories, hangers and supports for complete installation.
1.07
CONNECTIONS
A.
Drawings indicate general arrangement of piping and specialties.
specified in other specification sections.
Installation requirements are
B.
Install exhaust-system and combination engine exhaust silencer / oxidation catalyst to allow service
and maintenance.
C. Connect exhaust-system piping to engines.
D. Install thermocouple(s) in the housing of the combination engine exhaust silencer / oxidation
catalyst. Complete wiring to continuous parameter monitoring system panel in conduit.
E.
Mount the differential pressure transmitter(s) and connect tubing between transmitter(s) and the
combination engine exhaust silencer / oxidation catalyst. Complete wiring to continuous parameter
monitoring system panel in conduit.
F.
Tighten electrical connectors and terminals according to manufacturer’s published torque-tightening
values. If manufacturer’s torque values are not indicated, use those specified in UL 486A and
UL 486B.
G. Connect crankcase ventilation piping between the existing valve covers to the filter housings, and
from the filter housings to the air intake piping. Route and connect oil drain piping to engine oil
crankcase.
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H. Ground equipment according to the National Electric Code and manufacturer’s instructions.
I.
1.08
Connect power and control wiring according to the National Electric Code and manufacturer’s
instructions.
FIELD QUALITY CONTROL
A.
Perform installation and startup checks according to manufacturer's written instructions.
1. Engage a factory-authorized service representative to provide necessary field verification,
inspections, adjustments, calibrations, testing, startup and commissioning services of the new
equipment provided under this contract to ensure that the warranty will commence without issue
from date of final acceptance by the Owner.
2. All necessary field verification, inspections, adjustments, calibrations, testing, startup and
commissioning services shall be conducted prior to the start of independent testing firm’s
performance test.
3. The Owner intends to use an independent testing firm to measure and document the exhaust
system pressure drop and performance of the combination exhaust silencer / oxidation catalyst
and monitoring system provided under this Contract. This will be the means by which
compliance with these specifications will be determined.
a. The Contractor may furnish, install and operate a portable engine exhaust analyzer to
determine carbon monoxide emission levels. This measurement will be considered an
informal test and compliance with these specifications will not be allowed through this test.
b. The Contractor may furnish, install and operate a manometer to determine the engine
exhaust system backpressure. This measurement will be considered an informal test and
compliance with these specifications will not be allowed through this test.
B.
Remove and replace malfunctioning units and retest.
1. The Contractor is obligated to correct, remedy, or replace any equipment that does not meet
these specifications. This includes any necessary installation labor.
2. In the event that malfunctioning or non-compliant equipment causes failure or delay of the
independent testing firm’s performance test, the Contractor is responsible to reimburse the
Owner for any associated costs, including delay charges, retesting fees and fuel for the
generating equipment.
1.09
A.
DEMONSTRATION
Engage a factory-authorized service representative to train Owner's maintenance personnel to
inspect, adjust, operate, and maintain the oxidation catalyst systems, continuous parameter
monitoring systems, software, crankcase ventilation systems, and associated components provided
under this Contract.
1. Training activities are to occur at the Project site either prior to or concurrent with the
independent test firm’s measurements, and include a mixture of classroom-style and
“hands-on” training.
2. Provide a minimum of eight hours onsite (excluding travel) for the tasks described in Articles R10 Commissioning and Field Service Support.
3. The Owner reserves the right to video tape or record training session for internal use only.
4. Upon completion of the training, submit additional operation and maintenance data requested by
Owner personnel.
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B.
Training shall include the following elements:
1. Utilize operation and maintenance manuals as basis for instructions.
2. Review contents of manual with Owners’ personnel in detail to explain all aspects of operation
and maintenance.
3. Include a detailed review of the following items:
a. Maintenance manuals
b. Record documents
c. Recommended spare parts and materials
d. Recommended tools
e. Controls
f. Hazards
g. Cleaning materials and procedures
h. Warranties
4. Manufacturer’s representative shall demonstrate the following procedures to Owner’s personnel
prior to date of final project closeout:
a. Startup
b. Shutdown
c. Emergency operations
d. Safety procedures
e. Economy and efficiency adjustments
f. Troubleshooting
g. Maintenance
END OF GENERAL REQUIREMENTS
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SPECIFICATIONS
1.00 AIR POLLUTION CONTROL EQUIPMENT
A. Provide (furnish, deliver, unload and install said services, materials, and equipment complete and
make ready for intended use) combination engine exhaust silencer / oxidation catalysts and
associated components, single-engine continuous parameter monitoring systems, and a closed-type,
crankcase ventilation system for each electrical generating unit indicated. The equipment provided
by the Contractor must comply with the RICE NESHAP regulations (40 CFR 63, subpart ZZZZ,
current version).
1.01
COMBINATION ENGINE EXHAUST SILENCER / OXIDATION CATALYSTS
A.
Description: Provide (furnish, deliver, unload and install said services, materials, and equipment
complete and make ready for intended use) one (1) combination engine exhaust silencer / oxidation
catalyst and associated components for each of the following electrical generating units. The
oxidation catalysts and associated components proposed by the Contractor must comply with the
RICE NESHAP regulations (40 CFR 63, subpart ZZZZ).
1. 1988 Cummins Engine, 600 kW
B.
Manufacturers: Subject to compliance with requirements, furnish products by one of the following:
1. Girtz Industries, Inc.
2. GTE Industries, Inc.
3. Maxim Silencers, Inc.
4. Miratech Corporation.
5. Phillips & Temro Industries, EM Products.
6. Universal Acoustic & Emission Technologies, Inc., or
7. Engineer approved alternate.
C. Oxidation Catalyst Performance: Precious metal based with a guaranteed carbon monoxide
emission reduction as outlined below. Although this level of reduction is expected to result in the
carbon monoxide concentration below twenty-three (23) ppmvd in some cases, the catalyst is
required to achieve the specified reduction under these specifications. Refer to the Appendix for
onsite emission measurements.
1. 1988 Cummins Engine, 600 kW: 80 percent (80%) minimum at the initial installation.
D. Exhaust Silencer Performance:
1. All units: Average attenuation of 25 to 34 decibels over 63 to 8,000 hertz (octave band center
frequency). This is commonly referred to as critical grade silencing.
E.
Maximum exhaust system pressure drop, at initial installation, including the combination exhaust
silencer / oxidation catalyst, expansion joints, fittings, and pipe/tailpipe shall meet the requirements
of this paragraph.
1. 1988 Cummins Engine, 600 kW: 22 inches of water column.
2. The Contractor shall review all information made available to them, and select equipment on the
most conservative values, such as highest measured flow rate or temperature.
3. Exhaust temperature measurements contained in the test report were measured at the test ports
located outdoors and at varying loads. The Contractor shall anticipate that the temperature and
flowrate during full load operation will be higher than measured. The Contractor shall review the
engine manufacturer’s technical literature for the engine outlet exhaust temperature, when
available, and size the equipment for full load operation.
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Contract Documents for LEC Generator NESHAP Modifications
4. The Contractor shall submit an estimated back pressure report or equivalent engineering
calculations documenting compliance with this paragraph. Calculation inputs shall incorporate
the following data:
a. Facility elevation above sea level: 1,467 feet (approximate).
b. Piping, expansion joints, elbows, and other fittings on the building interior.
c. The Contractor-proposed combination exhaust silencer / oxidation catalyst.
d. The Contractor shall include any necessary reducers to match the existing pipe connections.
e. The necessary length of tailpipe to suit the stack height requirements.
F.
Construction of combination engine exhaust silencer / oxidation catalyst housing:
1. The Contractor shall review the existing conditions and provide a suitable unit that will
minimize labor and cost during installation.
If the equipment selection requires a
modification to the inlet and/or outlet pipe connection size, the Contractor shall provide the
necessary pipe reducer(s) to match the existing piping.
2. The housing shall be designed as a combination engine exhaust silencer / oxidation catalyst in
one assembly. If the case of the Power Plant Engine, the silencer may be delivered to the
Project Site in more than one section, and assembled into one housing onsite.
3. The housing shall have a single-inlet and single-outlet design.
4. The housing shall be constructed of carbon steel, 1/4 inch or thicker, and painted with high
temperature paint system on the exterior. The paint system shall be suitable to the temperature
conditions experienced and an outdoor environment. Submit a color palette of manufacturer’s
standard colors for Owner review and selection.
5. The housing shall be designed as a self-supporting structure complete with inlet and outlet
flanges.
6. The housing shall be provided with lifting lugs.
7. The housing shall be provided with mounting brackets or feet for installation to structural framing
or the concrete footing below.
8. The outlet flange shall be gusseted and / or the housing supported in such a way to support the
tailpipe. The stack height must match the existing conditions.
9. The housing shall include all necessary weld-o-lets, couplings, or ports for pressure and
temperature measurements by the continuous parameter monitoring system. The Contractor is
responsible to coordinate requirements with the components of the monitoring system.
10. The housing shall also include additional ½” or ¾” NPT ports, with removable plugs, on the inlet
and outlet of the oxidation catalyst for third party emission testing of carbon monoxide and
oxygen levels without removal of the pressure and temperature measuring devices used by the
continuous parameter monitoring system.
11. The housing shall contain interior tracks or guides, which allow the catalyst element(s) to be
installed properly into place.
12. The housing shall include one or more drain connection(s), 1” NPT or larger, to facilitate
condensate or moisture removal from the exhaust system.
13. The housing shall have an engraved metal nameplate providing serial number and manufacturer
reference material. The nameplate shall be suitable for an outdoor installation.
G. Catalyst Element Access
1. The housing shall be equipped with a bolted door for access to the catalyst element(s). The
door shall contain a high temperature gasket or seal. The bolted door shall be on the side of the
housing, however, Contractor is responsible to review the existing conditions and coordinate
orientation and location as necessary for maintenance access.
2. Catalyst access will be a “reach-in” type, allowing for head and shoulder access. A confined
space permit shall not be necessary to conduct catalyst maintenance.
3. Catalyst access shall be as low as possible on the housing.
H. Construction of Catalyst Element(s):
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Contract Documents for LEC Generator NESHAP Modifications
1. The catalyst element(s) shall be precious metal based and composed of a substrate, washcoat,
and catalytically active materials.
2. The catalyst element(s) shall be composed on a high surface area alumina-based material, with
additives designed to resist sulfur poisoning and to limit the conversion of SO2 to SO3.
3. The catalyst element(s) shall have the capability to be cleaned.
4. A high temperature gasket or similar mechanism shall be wrapped around the element(s) on all
sides to eliminate flow slippage past the element(s).
5. A lifting handle shall be fastened to the catalyst element(s) for ease of removal.
6. Optimize catalyst for low temperature operation.
7. The catalyst elements(s) must be removable via bolt-on access doors.
8. The catalyst elements(s) shall be a regularly stocked item, and not a custom unit for this Project.
9. The Owner’s preference is that the catalyst element(s) provided for any one combination exhaust
silencer / oxidation catalyst housing shall be interchangeable within any of the remaining
housings.
I.
Tailpipe:
1. Design and construct the combination engine exhaust silencer / oxidation catalyst to support a
tailpipe section matching the existing tailpipe height. Anticipate that the tailpipe will be an
ASTM A 53, Schedule 10, commercially available black steel pipe of diameter matching the
existing tailpipe diameter.
2. The Contractor may reuse the existing tailpipe providing that the following conditions are met.
a. The Contractor shall coordinate, and provide if necessary, a piping reducer to transition
between the new combination engine exhaust silencer / oxidation catalyst and existing
tailpipe.
b. The installed stack height shall match the existing conditions. The Contractor is responsible
to modify the tailpipe as necessary to achieve this value.
c. Maintain a minimum of two pipe diameters of straight pipe upstream of the test ports
(between the flanged connection and the test ports).
d. Maintain a minimum distance of one-half pipe diameters between the test port centerline and
the end of the tailpipe.
3. At the Contractor’s option, a new tailpipe may be provided. The tailpipe shall meet the following
requirements.
a. The minimum length of the tailpipe provided shall be three times the pipe diameter, in length.
b. The installed stack height shall match the existing conditions.
c. At a minimum position test ports two pipe diameters downstream of the flanged connection
(to test port centerline); orient two 4 inch test ports 90 degrees apart.
d. Maintain a minimum distance of one-half pipe diameters between the test port centerline and
the end of the tailpipe.
e. Each test port will be constructed of a 4 inch diameter, carbon steel threaded pipe, 6 inches
in length, welded to the tailpipe. Attach a 4 inch, threaded, 150 pound carbon steel ANSI
flange to the threaded pipe. Include a 4 inch blind, 150 pound carbon steel ANSI flange with
stainless steel bolts, washers and nuts.
J.
Steel Stand:
1. If modification to the factory-supplied steel stand is required, the Contractor shall design,
engineer, fabricate and assemble (including attachment to the silencer / catalyst) a steel
equipment support stand for the combination engine exhaust silencer / oxidation catalysts such
that the foundations are loaded concentrically. Design shall be reviewed and sealed by a
qualified professional engineer registered in the State of Minnesota. All modifications shall be
approved by the Engineer / Owner prior to fabrication. Costs associated with the modifications
are the responsibility of the Contractor.
2. Stand shall be primed and painted to match the silencer / catalyst housing.
K.
Piping Materials:
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Contract Documents for LEC Generator NESHAP Modifications
1. Steel Pipe: ASTM A 53, Schedule 10 or 40, black.
a. Flanges: Class 125, cast-iron or Class 150, malleable-iron, American Standard slip-on, flatfaced welding flanges or fabricated from 5/8 inch (16 mm) thick steel plate with 125#
American Standard drilling.
1.02
A.
B.
CONTINUOUS PARAMETER MONITORING SYSTEM (SINGLE-ENGINE)
Description: Provide (furnish, deliver, unload and install said services, materials, and equipment
complete and make ready for intended use) a single-engine continuous parameter monitoring
system capable of monitoring temperature and pressure drop for each of the following electrical
generating units. The continuous parameter monitoring system proposed by the equipment supplier
or manufacturer must comply with the RICE NESHAP regulations (40 CFR 63, subpart ZZZZ),
current version.
1. 1988 Cummins Engine, 600 kW.
The monitoring system shall include a main control panel with a real time display of all data.
1. Control Panel Enclosure rating shall be at least NEMA twelve (12) hinged door with key-locking
mechanism with two (2) keys.
2. All required field wiring points shall be on a labeled terminal strip suitable for either barrel
compression for bare wire or for ring type compression connectors and accept at least twelve
(12) gauge, or thicker, copper stranded wire; terminals for instrumentation wiring may be smaller.
3. All internal factory wiring shall be numbered and color coded complete with a wiring diagram.
4. The housing shall have a permanent metal nameplate engraved with the name of the
manufacturer, product name, model and serial number, and other reference material.
C. Monitoring Panel Environment:
1. Ambient temperature: indoors, minimum range of -20 to 122 deg F.
a. Include panel heater with thermostat if required by the manufacturer to operate within the
ambient temperature range and to reduce the potential for condensation.
D. Provide means for data-logging of temperature and pressure in accordance with the current version
of the Code of Federal Regulation, Title 40, Part 63, Subpart ZZZZ (§ 63.6580 through § 63.6675).
1. An individual sensor failure shall not cause the program to halt.
2. Retain a minimum of twelve (12) months of all required data at the data logger. Assume no less
than five hundred (500) hours of engine operation per calendar year in sizing the data logger.
3. Monitored data shall be provided with a date and time stamp.
4. Data shall be stored in a non-volatile memory.
5. Data shall be exportable in a Microsoft Excel .csv format, or other easily recognizable format.
6. Provide provisions for stored data to be retrieved via a USB flash drive or SD storage card.
E.
Furnish means to alarm on high temperature and excessive pressure drop (differential) across the
oxidation catalyst. Include an alarm for low data-logger storage space and storage device removed
from the monitoring system.
F.
Furnish a local alarm light, horn, and alarm acknowledge push button for the alarms. Include a
SPDT dry contact, rated for 125 VDC and 5 A, for remote indication of a common alarm. Alarm may
be visually annunciated and silenced by the surface-mounted human machine interface, if option is
available; an audible alarm horn is still required.
G. Electrical:
1. A 120 VAC circuit from the Owner’s control system shall be used to power the central control
panel. No other power shall be required to drive the remote instruments at each engine. Power
connection shall include a fuse or circuit breaker rated to protect all internals. If fused, at least
three (3) spares shall be provided (See Article 1.08). A surge protective device shall be included
for incoming power.
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H. General Instrumentation Requirements:
1. Instrumentation for the exhaust catalyst’s assembly shall be provided complete with detailed
mounting and connecting instructions plus all appurtenances necessary to connect the
instruments to the process.
2. Field electrical connections shall be accomplished with standard electrical connections and
commonly available instrument or communications cable.
3. Any instrument (with enclosed electronics or other similarly sensitive components) mounted
within 5 feet or less of non-insulated engine exhaust piping or equipment shall be suitable for
operation in this ambient condition by including adequate insulation or shielding. Standard PVCcoated, liquid-tight, flexible metal conduit is not acceptable within 5 feet of uninsulated exhaust
pipe.
4. All temperature sensors / thermocouples provided under this Contract shall be identical.
5. All pressure transducers provided under this Contract shall be identical.
I.
Temperature Sensor / Thermocouple:
1. Temperature sensor shall be a mineral insulated thermocouple rated for continuous operation up
to at least 1500 deg F. The temperature sensor assembly shall be replaceable in the event of
failure (e.g. threaded connection and not welded to pipe). Thermocouple shall be a factory
assembled sensor with armored metal pigtail approximately 30 feet long. The temperature
sensor and pigtail cable assembly shall have a temperature rating above 1,000 deg F and shall
accommodate the connection of thermocouple extension wire in a compatible thermocouple
junction box. The junction box shall be at least 3 feet away (any direction) from an insulated
exhaust section or 6 feet away (any direction) from an un-insulated exhaust section. The
extension wire will be provided to match the requirements of the thermocouple equipment
supplier. Temperature sensor insertion length shall be sufficient to account for insulation and/or
cladding thickness and construction, if applicable, to sense and generate a representative
temperature measurement of the exhaust gas.
2. Service:
a. Type: Compression ignition engine exhaust (Diesel exhaust)
b. Temperature: Approximately 1,000 deg F.
3. Acceptable Manufacturers:
a. Pyromation, Inc.; order number K48G-008-12C-15HT-H1B360 (Sample selection)
b. Engineer approved equal.
J.
Pressure Transducer / Transmitter – Miniature Size:
1. Two (2) pressure transmitters (two, 4-20 mA analog inputs) or one (1) differential pressure
transmitter (one, 4-20 mA analog input) shall be capable of continuously measuring diesel
engine exhaust gas pressure across the oxidation catalyst with a minimum accuracy as stated
below. The pressure / differential pressure transmitter assemblies shall be replaceable in the
event of failure.
a. General:
1) Function: Continuously measure process pressure.
2) Type: Poly-silicon strain gauge(s)
3) Parts: One-piece assembly consisting of transmitter with integral "pigtail" cable.
b. Service:
1) Type: Compression ignition engine exhaust (Diesel exhaust)
2) Temperature: Approximately 1,000 deg F.
3) Pressure range: 0 – 30 inches H2O, for differential pressure, for two pressure
transmitters’ ranges, consult with Engineer.
4) Special conditions: Instrument to be mounted at least 24 inches away from exhaust
sample port(s) and connected with small diameter stainless steel tubing. This will reduce
the sample gas temperature (at the transmitter). Refer to applicable operating
temperature requirements below.
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5) Ambient environment: indoor or outdoor; operating temperature: -20 to 158 deg F.
c. Performance
1) Accuracy (including linearity, hysteresis, and repeatability): 0.2% BSL linearity hysteresis
and repeatability combined.
2) Certification: 5-point NIST traceable calibration.
3) Temperature Compensated: 1 to 185 deg F.
4) Required operating temperature range rating: -40 to 239 deg F.
5) Thermal Accuracy: Plus/minus 1.00% zero; plus/minus 1.00% span.
6) Long term stability (1-year): Plus/minus 0.1% of full scale.
d. Required Features:
1) Wetted parts: 316L Stainless Steel.
2) Case: Stainless Steel
3) Proof pressure: 6 times full scale.
4) Contained burst pressure: 1,000 PSI.
5) Process Connection: 1/4 - 18 NPT.
6) Electrical connection: 6 foot shielded factory pigtail cable with conduit thread fitting. The
pigtail cable insulation shall have a temperature rating above the temperature expected
to be encountered after installation
7) Field adjustable feature(s): Zero and span potentiometers.
8) Enclosure rating: IP67.
e. Electrical:
1) Excitation voltage: 9 - 30 Vdc.
2) Output: 4-20 mA, unidirectional.
3) Maximum circuit load: 50 x (supply voltage - 12) ohms
4) Wiring: two-conductor shielded.
f. Acceptable Manufacturers:
1) Omega: Differential Wet/Wet: MMDWU (PX409) series.
2) Omega: Two separate transmitters, MMG series.
a) Note: If using two pressure transmitters such that PLC will “calculate” differential
pressure, consult with Engineer for anticipated pressures on both sides of catalyst.
Pressure ranges vary according to engine exhaust pressure tolerances.
3) Engineer approved equal.
g. Other Requirements:
1) The pressure transmitters shall be located in close proximity (less than fifteen feet) to the
exhaust sample port(s). Connections to the monitoring panel will be accomplished
electrically with cable in accordance with paragraph I, above.
2) Should the Contractor propose a continuous parameter monitoring system / pressure
transmitter(s) where small diameter tubing is required, the installing contractor is
responsible to provide and coordinate the required length of tubing and necessary fittings
to complete the project. The tubing shall be installed in accordance with Article 3.02.
K.
Personal Computer Software:
1. If a software package is required to extract or convert the data from the data-logger, one (1) copy
of the necessary personal computer software package shall be provided. Provide a minimum of
one (1) license and necessary documentation for Owner / Engineer review.
2. Provide all necessary software updates and licensing for a minimum period of two (2) years.
3. The software shall be Microsoft Windows XP through 7 compatible.
L.
Site Specific Monitoring Plan:
1. Description: Furnish a site-specific monitoring plan that addresses the monitoring system
design, data collection, and the quality assurance and quality control elements outlined in the
current version of the Code of Federal Regulation, Title 40, Part 63, Subpart ZZZZ (§ 63.6625).
2. Furnish performance specifications for the monitoring equipment, including the interface, signal
analyzer, data acquisition and calculations used.
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Contract Documents for LEC Generator NESHAP Modifications
3. Furnish information on the sampling interface ( e.g., thermocouple) location such that the
monitoring system will provide representative measurements;
4. Furnish information on how to accomplish equipment performance evaluations, system accuracy
audits, or other audit procedures with the equipment provided.
5. Furnish detailed operation and maintenance procedures for the monitoring system.
6. Furnish ongoing reporting and recordkeeping procedures for the monitoring system.
7. Compile the above information in a three ring binder, with tabs separating sections.
8. Submit one copy to the Engineer for initial review, and upon acceptance, furnish four complete
copies to the Engineer for distribution.
1.03
A.
1.04
A.
1.05
CLOSED-TYPE CRANKCASE VENTILATION SYSTEM
No work required. This engine is already fitted with a closed crankcase ventilation system.
EXTRA MATERIALS
Furnish extra materials described below that match products installed and that are packaged with
protective covering for storage and identified with labels describing contents.
1. Continuous parameter monitoring system.
a. Pressure Sensors/Transmitters: One (1) complete set, to serve one (1) engine installation.
This includes two pressure transmitters or one differential pressure transmitter. Note: The
use of a redundant pressure transmitter design does not relieve the Contractor from
supplying spare materials.
b. Temperature sensor (one, 4-20 mA or thermocouple analog input): One (1) complete set, to
serve one (1) engine installation. This includes one temperature sensor, including necessary
consumable fittings, bushings, ferrule, etc. Note: The use of a redundant temperature
sensor design does not relieve the Contractor from supplying spare materials.
c. Monitoring Panel: If fused, furnish at least three (3) sets of spare fuses.
SUBMITTALS
A.
Product Data: For the following:
1. Exhaust system specialties.
2. Insulation materials.
3. Field-applied jacket materials.
B.
Welding certificates.
1.06
QUALITY ASSURANCE
A.
Welding: Qualify procedures and personnel according to the following:
1. AWS D1.1, "Structural Welding Code--Steel."
2. AWS D1.4, "Structural Welding Code--Reinforcing Steel."
3. ASME Boiler and Pressure Vessel Code: Section IX.
B.
Surface-Burning Characteristics: For insulation and related materials, as determined by testing
identical products according to ASTM E 84, by a testing and inspecting agency acceptable to
authorities having jurisdiction. Factory label insulation and jacket materials and adhesive, mastic,
and cement material containers, with appropriate markings of applicable testing agency.
1. Insulation Installed Indoors: Flame-spread index of 25 or less, and smoke-developed index of 50
or less.
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Contract Documents for LEC Generator NESHAP Modifications
PART 2
2.01
A.
2.02
PRODUCTS
MANUFACTURERS
In other Part 2 articles where subparagraph titles below introduce lists, the following requirements
apply for product selection:
1. Manufacturers: Subject to compliance with requirements, manufacturers offering products that
may be incorporated in the Work include the manufacturers specified.
PIPING MATERIALS
A.
Steel Pipe: ASTM A 53/A 53M, black steel with plain ends; welded and seamless, Grade B,
Schedule 10 or 40.
1. Flanges: 125# American Standard Steel slip-on flat-faced welding flanges or fabricated from 5/8
inch (16 mm) thick steel plate with 125# American Standard drilling. Provide bolt, nut and gasket
kits.
2. Gasket Material: Full-face composition, non-asbestos, 1/16 inch (2 mm) thick.
B.
Transition Fittings: Type, material, and end connections to match piping being joined.
2.03
INSULATION MATERIALS
A.
Products shall not contain asbestos, lead, mercury, or mercury compounds.
B.
Mineral-Fiber, Preformed Pipe Insulation:
1. Manufacturers: Subject to compliance with requirements, provide products by one of the
following:
a. Johns Manville.
b. Knauf Insulation; 1000 Pipe Insulation.
c. Owens Corning.
2. Type I, 1000 deg F Materials: Mineral or glass fibers bonded with a thermosetting resin. Comply
with ASTM C 547, Type I, Grade A. Factory-applied jacket requirements are specified in
"Factory-Applied Jackets" Article.
C. Mineral-Fiber, Pipe and Tank Insulation: Mineral or glass fibers bonded with a thermosetting resin.
Semirigid board material with factory-applied ASJ complying with ASTM C 1393, Type II or Type IIIA
Category 2, or with properties similar to ASTM C 612, Type IB. Nominal density is 2.5 lb/cu. ft. or
more. Thermal conductivity (k-value) at 100 deg F is 0.29 Btu x in./h x sq. ft. x deg F or less.
Factory-applied jacket requirements are specified in "Factory-Applied Jackets" Article.
1) Manufacturers: Subject to compliance with requirements, provide products by one of the
following:
a) Johns Manville.
b) Knauf Insulation; Pipe and Tank Insulation.
c) Owens Corning; Fiberglas Pipe and Tank Insulation.
2.04
A.
INSULATION CEMENTS
Mineral-Fiber, Hydraulic-Setting Insulating and Finishing Cement: with a minimum service
temperature of 1000 deg F. Comply with ASTM C 449.
1. Products: Subject to compliance with requirements, available products that may be incorporated
into the Work include, but are not limited to, the following:
a. Johns Manville; CalCoat-127
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Contract Documents for LEC Generator NESHAP Modifications
2.05
INSULATION ADHESIVES
A.
Materials shall be compatible with insulation materials, jackets, and substrates and for bonding
insulation to itself and to surfaces to be insulated unless otherwise indicated.
B.
Mineral-Fiber Adhesive: Comply with MIL-A-3316C, Class 2, Grade A. Minimum service
temperature of 1000 deg F.
1. Manufacturers: Subject to compliance with requirements, provide products by one of the
following:
a. Childers Products, Division of ITW.
b. Foster Products Corporation, H. B. Fuller Company.
c. ITW TACC, Division of Illinois Tool Works.
d. Marathon Industries, Inc.
e. Mon-Eco Industries, Inc.
2. For indoor applications, adhesive shall have a VOC content of 50 g/L or less when calculated
according to 40 CFR 59, Subpart D (EPA Method 24).
3. Adhesive shall comply with the testing and product requirements of the California Department of
Health Services' "Standard Practice for the Testing of Volatile Organic Emissions from Various
Sources Using Small-Scale Environmental Chambers."
2.06
A.
FIELD-APPLIED JACKETS
Aluminum Jacket: Comply with ASTM B 209 (ASTM B 209M), Alloy 3003, 3005, 3105, or 5005,
Temper H-14.
1. Products: Subject to compliance with requirements, available products that may be incorporated
into the Work include, but are not limited to, the following:
a. Childers Brand, Specialty Construction Brands, Inc., a business of H. B. Fuller Company;
Metal Jacketing Systems.
b. ITW Insulation Systems; Aluminum and Stainless Steel Jacketing.
c. RPR Products, Inc.; Insul-Mate.
2. Sheet and roll stock ready for shop or field sizing, or factory cut and rolled to size.
3. Finish and thickness are indicated in field-applied jacket schedules.
4. Factory-Fabricated Fitting Covers:
a. Same material, finish, and thickness as jacket.
b. Preformed 2-piece or gore, 45- and 90-degree, short- and long-radius elbows.
c. Tee covers.
d. Flange and union covers.
e. End caps.
f. Beveled collars.
g. Field fabricate fitting covers only if factory-fabricated fitting covers are not available.
PART 3
3.01
A.
3.02
A.
EXECUTION
EXAMINATION
Examine the exhaust system to verify actual locations and dimensional data prior to fabrication and
equipment installation.
1. Proceed with installation only after unsatisfactory conditions have been corrected.
PIPING INSTALLATION
Pipe shall be butt, lap or electric fusion welded.
Page 20 of 29
Contract Documents for LEC Generator NESHAP Modifications
B.
The exhaust piping shall be adequately supported as indicated on the drawings. Under no
circumstances shall the exhaust piping be allowed to bear on the turbocharger outlet or flanges of
the combination engine exhaust silencer / oxidation catalyst.
C. Contractor to provide full-face, non-asbestos gaskets and bolt/nut kits at all exhaust connections.
1. Provide bolt, nut and gasket kits at all exhaust connections. Gasket material shall be nonasbestos, full-face, 1/16 inch (2 mm) thick.
D. Provide extensions to all test ports / couplings to allow access at or above the surface of the
aluminum jacket. Provide with pipe plug.
E.
3.03
Existing generator exhaust pipe will be re-routed to exit the facility 6 feet north of the existing exit.
Core drill new exit hole and use core to fill in old exit hole.
ANCHOR INSTALLATION
A.
Install anchors at locations to prevent stresses from exceeding those permitted by ASME B31.9 and
to prevent transfer of loading and stresses to connected equipment.
B.
Fabricate and install steel anchors by welding steel shapes, plates, and bars to piping and to
structure. Comply with ASME B31.9 and AWS D1.1.
1. Materials for anchors:
a. Steel Shapes and Plates: ASTM A 36/A 36M.
b. Bolts and Nuts: ASME B18.10 or ASTM A 183, steel, hex head.
c. Washers: ASTM F 844, steel, plain, flat washers.
3.04
HANGER AND SUPPORT INSTALLATION
A.
Saddles and Shields: Unless otherwise indicated and except as specified in piping system Sections,
install the following types:
1. Steel Pipe-Covering Protection Saddles (MSS Type 39): To fill interior voids with insulation that
matches adjoining insulation.
2. Protection Shields (MSS Type 40): Of length recommended in writing by manufacturer to
prevent crushing insulation.
B.
Install hangers and supports to allow controlled thermal movement of piping systems, to permit
freedom of movement between pipe anchors, and to facilitate action of expansion joints and similar
units.
C. Piping supports must account for expansion and contraction, vibration, and dead load of piping and
its contents. Verify actual loads.
D. Install hangers and supports as shown on the Drawings.
E.
Include provisions in hangers and supports for insulation when required.
F.
The exhaust piping shall be adequately supported. Under no circumstances shall the exhaust piping
be allowed to bear on the turbocharger outlet or engine connections.
3.05
A.
INSULATION PREPARATION
Surface Preparation: Clean and dry surfaces to receive insulation. Remove materials that will
adversely affect insulation application.
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Contract Documents for LEC Generator NESHAP Modifications
B.
3.06
Mix insulating cements with clean potable water; if insulating cements are to be in contact with
stainless-steel surfaces, use demineralized water.
GENERAL INSTALLATION REQUIREMENTS
A.
Install insulation materials, accessories, and finishes with smooth, straight, and even surfaces; free
of voids throughout the length of equipment and piping including fittings, and specialties.
B.
Install insulation materials, forms, jackets, and thicknesses required for each item of equipment and
pipe system as specified in insulation system schedules.
C. Install accessories compatible with insulation materials and suitable for the service. Install
accessories that do not corrode, soften, or otherwise attack insulation or jacket in either wet or dry
state.
D. Install insulation with longitudinal seams at top and bottom of horizontal runs.
E.
Install multiple layers of insulation with longitudinal and end seams staggered.
F.
Do not weld brackets, clips, or other attachment devices to piping, fittings, and specialties.
G. Keep insulation materials dry during application and finishing.
H. Install insulation with tight longitudinal seams and end joints. Bond seams and joints with adhesive
recommended by insulation material manufacturer.
I.
Install insulation with least number of joints practical.
J.
Apply adhesives, mastics, and sealants at manufacturer's recommended coverage rate and wet and
dry film thicknesses.
K.
Install insulation with factory-applied jackets as follows:
1. Draw jacket tight and smooth.
2. Cover circumferential joints with 3-inch- (75-mm-) wide strips, of same material as insulation
jacket. Secure strips with adhesive and outward clinching staples along both edges of strip,
spaced 4 inches (100 mm) o.c.
3. Overlap jacket longitudinal seams at least 1-1/2 inches (38 mm). Install insulation with
longitudinal seams at bottom of pipe. Clean and dry surface to receive self-sealing lap. Staple
laps with outward clinching staples along edge at 4 inches (100 mm) o.c.
L.
Cut insulation in a manner to avoid compressing insulation more than 75 percent of its nominal
thickness.
M. Finish installation with systems at operating conditions. Repair joint separations and cracking due to
thermal movement.
N. Repair damaged insulation facings by applying same facing material over damaged areas. Extend
patches at least 4 inches (100 mm) beyond damaged areas. Adhere, staple, and seal patches
similar to butt joints.
3.07
A.
GENERAL PIPE INSULATION INSTALLATION
Requirements in this article generally apply to all insulation materials except where more specific
requirements are specified in various pipe insulation material installation articles.
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Contract Documents for LEC Generator NESHAP Modifications
B.
Insulation Installation on Fittings, Flanges, and Unions:
1. Install insulation over fittings, flanges, unions, and other specialties with continuous thermal
integrity unless otherwise indicated.
2. Insulate pipe elbows using preformed fitting insulation or mitered fittings made from same
material and density as adjacent pipe insulation. Each piece shall be butted tightly against
adjoining piece and bonded with adhesive. Fill joints, seams, voids, and irregular surfaces with
insulating cement finished to a smooth, hard, and uniform contour that is uniform with adjoining
pipe insulation.
3. Insulate tee fittings with preformed fitting insulation or sectional pipe insulation of same material
and thickness as used for adjacent pipe. Cut sectional pipe insulation to fit. Butt each section
closely to the next and hold in place with tie wire. Bond pieces with adhesive.
4. Insulate flanges and unions using a section of oversized preformed pipe insulation. Overlap
adjoining pipe insulation by not less than two times the thickness of pipe insulation, or one pipe
diameter, whichever is thicker.
5. Cover segmented insulated surfaces with a layer of finishing cement and coat with a mastic.
Install vapor-barrier mastic for below-ambient services and a breather mastic for above-ambient
services. Reinforce the mastic with fabric-reinforcing mesh. Trowel the mastic to a smooth and
well-shaped contour.
6. Stencil or label the outside insulation jacket of each union with the word "union." Match size and
color of pipe labels.
C. Insulate instrument connections for thermocouples, pressure transmitter tubing, and test connections
on insulated pipes, vessels, and equipment. Shape insulation at these connections by tapering it to
and around the connection with insulating cement and finish with finishing cement, mastic, and
flashing sealant. Ensure maintenance access to the instrument connections.
D. Install removable insulation covers at locations indicated. Installation shall conform to the following:
1. Make removable flange and union insulation from sectional pipe insulation of same thickness as
that on adjoining pipe. Install same insulation jacket as adjoining pipe insulation.
2. When flange and union covers are made from sectional pipe insulation, extend insulation from
flanges or union long at least two times the insulation thickness over adjacent pipe insulation on
each side of flange or union. Secure flange cover in place with stainless-steel or aluminum
bands. Select band material compatible with insulation and jacket.
3. When covers are made from block insulation, make two halves, each consisting of mitered
blocks wired to stainless-steel fabric. Secure this wire frame, with its attached insulation, to
flanges with tie wire. Extend insulation at least 2 inches (50 mm) over adjacent pipe insulation on
each side of valve. Fill space between flange or union cover and pipe insulation with insulating
cement. Finish cover assembly with insulating cement applied in two coats. After first coat is dry,
apply and trowel second coat to a smooth finish.
4. Finish exposed surfaces with a metal jacket.
3.08
A.
3.09
A.
FIELD-APPLIED JACKET INSTALLATION
Where metal jackets are indicated, install with 2-inch (50-mm) overlap at longitudinal seams and end
joints. Seal end joints with weatherproof sealant recommended by insulation manufacturer. Secure
jacket with stainless-steel bands 12 inches (300 mm) o.c. and at end joints.
FINISHES
Painting:
1. Touchup: Clean field welds and abraded areas of shop paint. Paint exposed areas immediately
after erecting hangers and supports. Use same materials as used for shop painting or existing
conditions. Comply with SSPC-PA 1 requirements for touching up field-painted surfaces.
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Contract Documents for LEC Generator NESHAP Modifications
2. Apply paint by brush or spray to provide a minimum dry film thickness of 2.0 mils (0.05 mm).
B.
Steel and Iron Finishes:
1. Finish metal fabrications after assembly.
C. Preparation for Shop Painting: Apply shop primer to uncoated surfaces of metal fabrications, except
those with galvanized finish or embedded in concrete, sprayed-on-fireproofing, or masonry, unless
otherwise indicated.
D. Do not field paint aluminum or stainless-steel jackets.
3.10
FIELD QUALITY CONTROL
A.
Perform tests and inspections.
B.
Repair leaks and defects with new materials and retest systems until satisfactory results are
obtained.
C. Test and Inspections (Insulation Applications):
1. Inspect field-insulated equipment, randomly selected by Engineer, by removing field-applied
jacket and insulation in layers in reverse order of their installation. Extent of inspection shall be
limited to one location for each type of equipment defined in the "Equipment Insulation Schedule"
Article. For large equipment, remove only a portion adequate to determine compliance.
2. Inspect pipe and fittings, randomly selected by Engineer, by removing field-applied jacket and
insulation in layers in reverse order of their installation. Extent of inspection shall be limited to
three locations of straight pipe, and three locations of welded fittings for each pipe service
defined in the "Piping Insulation Schedule" Article.
D. All insulation applications will be considered defective Work if sample inspection reveals
noncompliance with requirements.
3.11
A.
3.12
A.
PIPING INSULATION SCHEDULE
All four generators:
1. Indoor Engine Exhaust Piping and Combination Engine Exhaust Silencer / Oxidation Catalyst(s),
All Pipe Sizes: Mineral Fiber, 4 inches (100 mm) thick. Suitable for a minimum service
temperature of 1000 deg F.
2. Provide a removable insulation cover, with jacket, at the oxidation catalyst access point.
3. Provide the necessary accommodations to insulate instrument connections for thermocouples,
pressure transmitter tubing, and test connections on insulated pipes, vessels, and equipment.
Shape insulation at these connections by tapering it to and around the connection with insulating
cement and finish with finishing cement, mastic, and flashing sealant. Ensure maintenance
access to all instrument connections.
FIELD-APPLIED JACKET SCHEDULE (INDOORS)
All four generators:
1. Install jacket over insulation material. For insulation with factory-applied jacket, install the fieldapplied jacket over the factory-applied jacket.
2. Piping, Exposed and Concealed:
a. Aluminum, match existing: 0.032 inch (0.8 mm) thick.
3. Provide a removable insulation cover, with jacket, at the oxidation catalyst access point.
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Contract Documents for LEC Generator NESHAP Modifications
4. Provide the necessary accommodations to jacket near instrument connections for
thermocouples, pressure transmitter tubing, and test connections on insulated pipes, vessels,
and equipment. Ensure maintenance access to all instrument connections.
5. Field-applied jacket to be free of blemishes, dents, scratches, stains, or other damage.
Contractor is responsible to inspect each sheet of aluminum prior to and after installation. It is
not acceptable for defective sheets to be installed.
PART 4
ATTACHMENTS
1. Emissions Test Data – Interpol Labs:
END OF SPECIFICATIONS
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Contract Documents for LEC Generator NESHAP Modifications
THIS PAGE INTENTIONALLY LEFT BLANK
BID FORM FOLLOWS
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Contract Documents for LEC Generator NESHAP Modifications
QUOTE FORM
BID FOR:
DAKOTA COUNTY GENERATOR EPA - NESHAP MODIFICATIONS
LAW ENFORCEMENT CENTER
PROJECT:
GENERATOR NESHAP MODIFICATIONS
BID OF:
ADDRESS:
________________________________________
(full corporate name)
________________________________________
CITY, STATE, ZIP:
________________________________________
TELEPHONE:
__________________
FAX:
___________________
Name of Project Manager Contact: _____________________________________
This is a quote for generator modifications to meet current emissions requirements in accordance with the
attached contract documents and specifications that were submitted with this quote and upon which this
quotwe is made. Fill in all blanks. Attach required maintenance and warranty information
1.
LAW ENFORCEMENT CENTER GENERATOR: Total dollar amount to provide all
work required per this document:
TOTAL BID:
$_____________._____
Amount in writing: ____________________________________________________
__________________________________________________________________
Number of days this generator will be off line during the modification work _____
Cost to provide, connect and operate a portable standby generator, sized for facility
Page 1 of 2 of Quote Form
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Contract Documents for LEC Generator NESHAP Modifications
In submitting this quote, it is understood that Dakota County reserves the right to reject any or all quotes, to
waive any informality or irregularity in any quote received and to accept any alternate (if applicable) in any
order or combination. If awarded the Contract, the undersigned agrees to execute an agreement within the
specified time for the above stated compensation and to provide the required Performance Bond and Labor
and Material Payment Bond. Failure to enter into a contract with Dakota County to perform the services for
which the quote is submitted within fourteen (14) calendar days following receipt of notice of bid award and
a contract, shall result in forfeiture of the five percent (5%) bid bond or bid security to Dakota County as
liquidated damages.
By signing this quote, the bidder understands and agrees to the terms and conditions set forth
herein and in Contract Documents. The undersigned agrees if awarded the contract to complete
the project within 75 calendar days from the date of written Notice to Proceed by the Owner.
Indicate Addenda received: _____________________________
In submitting this quote the undersigned affirms that they are duly authorized to execute this quote,
that this bidder has not prepared this bid in collusion with any other bidder in restraint of
competition, and that the contents of this bid as to prices, terms or conditions of said quote have
not been communicated by the bidder to any other bidder engaged in this type of business prior to
the official opening of this bid (quote).
Please print: ________________________________________
Legal Name of Company
________________________________________
Address
________________________________________
Name and Title of Authorized Agent
________________________________________
Signature
Date
__________________________________ _____________________________
Corporation/partnership/sole proprietorship
State of Incorporation
This quote document contains a total of 29 pages, plus attachments and all addenda issued.
The following must be attached to this bid Form:
1.
2.
3.
4.
TENNESSEN NOTICE must be attached to this quote and signed by the Contractor’s duly
authorized representative.
Bid Bond
Maintenance data
Warranty information
County Bonding Requirements:
▪
▪
▪
Bid Bonds are required for all bids $100,000 or larger.
Performance Bonds are required for all project awards $75,000 or larger.
Labor and Material Payment Bonds are required for all project awards $75,000 or larger.
Page 2 of 2 of Quote Form
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Contract Documents for LEC Generator NESHAP Modifications
Tennessen Notice
Data Privacy: Acknowledgment
In accordance with the Minnesota Government Data Practices Act, Minn. Stat. § 13.04 and § 13.591, Dakota County is
required to inform you of your rights as they pertain to private or non-public information collected from you. "Private or
non-public data" is information that is available to you, but not to the public.
NEED FOR INFORMATION: The information we collect or have collected from you or from other sources authorized
by you is needed for evaluation of bids or proposals received by Dakota County for labor and materials to determine
the lowest responsive and responsible contractor to perform the planned work.
REFUSAL: You are not legally required to supply the requested data by Dakota County. You have the right to refuse
to supply the information we request; however, without this information, we may be unable to properly evaluate your
bid or proposal and may not be able to award you the contract to perform the planned work.
ACCESS TO DATA: Private or non-public information we collect from you may be shared, as a matter of program or
service necessity, with another jurisdiction providing funding or a consultant hired by Dakota County to prepare the
plans, oversee and pay for the work.
Before the County has completed its selection or evaluation process, information will not be given to any other agency
or individual without your written consent unless specifically authorized by state or federal law, or under a valid court
order. Unless otherwise authorized by law, government agencies with whom we share private or confidential
information must also treat the information they receive as private or confidential. You, as the subject of collected
data, unless otherwise specified by law or court order, may view the information we have concerning you and may
make written comments as to the accuracy of the information. Copies of information we have concerning your bid or
proposal may be made, for a reasonable fee, upon your request.
After the County has completed its selection or evaluation process, information that is not trade secret data will
become public, as provided by Minn. Stat. § 13.591, subd. 3.
RETENTION: All information on you will be kept until federal, state and/or county retention requirements have been
met, at which time the information will be destroyed. Unless otherwise noted, this consent will only be effective for a
period of one (1) year from the date of signature.
IN ACCORDANCE WITH MINNESOTA STATUTES, SECTION 13.04, I HAVE BEEN INFORMED OF AND
UNDERSTAND MY RIGHTS AS SUBJECT OF DATA.
Name of Organization
By:
Date
PRINT NAME AND TITLE________________________________________ ______
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Contract Documents for LEC Generator NESHAP Modifications