REQUEST FOR PROPOSALS

Transcription

1 Administered by UNIVERSITY OF SOUTHERN MAINE Facilities Management REQUEST FOR PROPOSALS Transformer Pre-Purchase Gorham Central Heat Plant RFP C ISSUE DATE: February 19, 2013 Addendum 1 February 27, 2013 PROPOSALS MUST BE RECEIVED BY March 1, 2013 by 2:00 pm DELIVER PROPOSALS TO: University of Southern Maine Facilities Management Attn: Adam Thibodeau 30 University Way Gorham, ME 04038

2 SECTION ONE NOTICE TO VENDORS (Advertisement) The University of Southern Maine, Gorham Campus is seeking proposals for the following: Gorham Central Heat Plant Transformer Pre-purchase C Project Summary: The University of Southern Maine, a member of the University of Maine System desires to pre-purchase the transformer for the Gorham Central Heat Plant at the Gorham Campus. Proposals will be received until 2:00 PM, March 1, 2013, at the Gorham Facilities Office at which time they will be opened and evaluated. Submissions received after this time will be returned unopened. Submitting firms will be notified of the results. Additional information may be obtained at the following web site: Click on USM Gorham- Transformer Pre-purchase C" General information may also be obtained from Adam Thibodeau, Facilities Management, University of Southern Maine, Portland, ME ( ) or athibodeau@usm.maine.edu.

3 SECTION TWO 2.0 GENERAL INFORMATION: 2.1 Purpose: The University of Southern Maine is seeking proposals for Transformer prepurchase for the Gorham Central Heat Plant. 2.2 The University of Southern Maine will hereinafter be referred to as the "University." Respondents to the RFP shall be referred to as "Vendor(s) or Vendor(s). 2.4 Evaluation Criteria: Award will be made to the low vendor provided that all project requirements are satisfactorily met. However, consideration will be given to delivery, service and warranty 2.5 Award: The University reserves the right to conduct any tests it may deem advisable and to make all evaluations. The University reserves the right to reject any or all proposals, in whole or in part and is not necessarily bound to accept the lowest proposal if that proposal is contrary to the best interests of the University. The University reserves the right to waive minor irregularities. Scholarships, donations, or gifts to the University will not be considered in the evaluation of proposals. A proposal may be rejected if it is in any way incomplete or irregular. When there are tie proposals, there shall be a preference for "in-state vendor". When tie proposals are in-state or out-of-state, the award will be made to the proposal that arrives first at the USM Facilities Management Office. 2.6 Award Protest: Vendor s may appeal the award decision by submitting a written protest to the University of Southern Maine Director of Engineering and Architecture within five (5) business days of the date of the award notice, with a copy of the protest to the successful vendor. The protest must contain a statement of the basis for the challenge. 2.7 Communication with the University: It is the responsibility of the vendor to inquire about any requirement of this RFP that is not understood. Responses to inquiries, if they change or clarify the RFP in a substantial manner, will be forwarded by addenda to all parties that have received a copy of the RFP. Addenda will also be posted on our web site, Gorham -Transformer Pre- Purchase. The University will not be bound by oral responses to inquiries or written responses other than addenda. Inquiries must be made to: Adam Thibodeau University of Southern Maine Facilities Management P.O. Box Bedford Street Portland, Maine (207) athibodeau@usm.maine.edu 2.8 Submission: A SIGNED original of the proposal must be received at the University of Southern Maine, Facilities Management, 30 University Way, Gorham, Maine 04038, in a sealed envelope no later than 2:00 P.M. local time, Friday, March 1, 2013, at which time they will be opened and evaluated. Submitting firms will then be notified of the results. The proposal must be date/time stamped by the Facilities Management Office in order to be considered. Vendors are strongly encouraged to submit proposals in advance of the due date/time to avoid the possibility of missing the 2:00 deadline due to unforeseen circumstances. Vendors assume the risk of the methods of dispatch chosen. The University assumes no responsibility for delays caused by any package or mail delivery service. A postmark on or before the due date WILL NOT substitute for receipt of proposal. In the event

4 of suspended University operations due to weather, the proposal opening will be rescheduled for the next business day at the same time and location. Proposals received after the due date and time will be returned unopened. Additional time will not be granted to any single vendor, however, additional time may be granted to all vendors when the University determines that circumstances require it. FAXED OR PROPOSALS WILL NOT BE ACCEPTED. 2.9 Proposal Envelope: The signed proposal should be returned in an envelope or package, sealed and identified as follows: From March 1, :00 p.m C Name Due Date Time Proposal No Printed copies may be obtained from: USM Facilities Management, 25 Bedford St. Portland, ME Information may also be obtained at the following web site: Click on USM Gorham -Transformer Pre-Purchase C" 2.11 Proposal Understanding: By submitting a proposal, the vendor agrees and assures that the specifications are adequate, and the vendor accepts the terms and conditions herein. Any exceptions should be noted in your response Costs of Preparation: Vendor assumes all costs of preparation of the proposal and any presentations necessary to the proposal process Debarment: Submission of a signed proposal in response to this solicitation is certification that your firm (or any subcontractor) is not currently debarred, suspended, proposed for debarment, declared ineligible or voluntarily excluded from participation in this transaction by any State or Federal department or agency. Submission is also agreement that the University will be notified of any change in this status Proposal Validity: Unless specified otherwise, all proposals shall be valid for sixty (60) days from the due date of the proposal Errors: Proposals may be withdrawn or amended by vendors at any time prior to the proposal opening. After the proposal opening, proposals may not be amended. If a significant mistake has been made by an apparent low vendor, the vendor will be given the option of selling at the price given or withdrawing the proposal. If an extension error has been made, the unit price will prevail.

5 SECTION THREE 3.0 GENERAL TERMS AND CONDITIONS: 3.1 Contract Administration: The University of Southern Maine s Department of Facilities Management or its designee shall be the University's authorized representative in all matters pertaining to the administration of this Contract. 3.2 Contract Documents: If a separate contract is not written, the Contract entered into by the parties shall consist of the RFP, the signed proposal submitted by the Contractor, the specifications including all modifications thereof, and a purchase order, all of which shall be referred to collectively as the Contract Documents. 3.3 Contract Modification and Amendment: The parties may adjust the specific terms of this Contract (except for pricing) where circumstances beyond the control of either party require modification or amendment. Any modification or amendment proposed by the Contractor must be in writing to the University of Southern Maine, Facilities Management Office. Any agreed upon modification or amendment must be in writing and signed by both parties. 3.4 Contract Term: The Transformer, as specified, shall be delivered to the University of Southern Maine, Gorham Campus on or before June 17, The vendor agrees to pay liquidated damages to the University of Southern Maine in the amount of $825.00/Day for damages incurred by the University due to the Vendor s failure to deliver the equipment within the contract time. 3.5 Contract Validity: In the event one or more clauses of the Contract are declared invalid, void, unenforceable or illegal, that shall not affect the validity of the remaining portions of the Contract. 3.6 Non-Waiver of Defaults: Any failure of the University to enforce or require the strict keeping and performance of any of the terms and conditions of this Contract shall not constitute a waiver of such terms, conditions, or rights. 3.7 Clarification of Responsibilities: If the Vendor needs clarification of or deviation from the terms of the Contract, it is the Vendor's responsibility to obtain written clarification or approval from the Contract Administrator. 2.8 Litigation: This Contract and the rights and obligations of the parties hereunder shall be governed by and construed in accordance with the laws of the State of Maine without reference to its conflicts of laws principles. The Vendor agrees that any litigation, action or proceeding arising out of this Contract, shall be instituted in a state court located in the State of Maine. 3.9 Indemnification (Vendor): The Vendor agrees to be responsible for, and to protect, save harmless, and indemnify the University and its employees from and against all loss, damage, cost and expense (including attorney's fees) suffered or sustained by the University or for which the University may be held or become liable by reason of injury (including death) to persons or property or other causes whatsoever, in connection with the operations of the Vendor under this agreement.

6 3.10 Assignment: Neither party of the Contract shall assign the Contract without the prior written consent of the other, nor shall the Vendor assign any money due or to become due without the prior written consent of the University Equal Opportunity: In the execution of the Contract, the Vendor and all sub vendors agree, consistent with University policy, not to discriminate on the grounds of race, color, religion, sex, sexual orientation, including transgender status or gender expression, national origin or citizenship status, age, disability, genetic information, or veteran s status and to provide reasonable accommodations to qualified individuals with disabilities upon request. The University encourages the employment of individuals with disabilities Sexual Harassment: The University is committed to providing a positive environment for all students and staff. Sexual harassment, whether intentional or not, undermines the quality of this educational and working climate. The University thus has a legal and ethical responsibility to ensure that all students and employees can learn and work in an environment free of sexual harassment. Consistent with the state and federal law, this right to freedom from sexual harassment was defined as University policy by the Board of Trustees. Failure to comply with this policy could result in termination of this Contract without advance notice. Further information regarding this policy is available from the Office of Equity and Compliance, 209 Deering Avenue, Portland, ME, (207) , darylmc@usm.maine.edu 3.13 Contractor s Liability Insurance: During the term of this agreement, the Vendor shall maintain the following insurance: Insurance Type Coverage Limit 1. Commercial General Liability $1,000,000 per occurrence or more (Written on an Occurrence-based form) (Bodily Injury and Property Damage) 2. Vehicle Liability $1,000,000 per occurrence or more (Including Hired & Non-Owned) (Bodily Injury and Property Damage) 3. Workers Compensation Required for all personnel (In Compliance with Applicable State Law) The University of Maine System shall be named as Additional Insured on the Commercial General Liability insurance. Certificates of Insurance for all of the above insurance shall be filed with: University of Southern Maine Facilities Management 25 Bedford Street Portland, Maine Certificates shall be filed prior to the date of performance under this Agreement. Said certificates, in addition to proof of coverage, shall contain the standard Acord statement pertaining to written notification in the event of cancellation, with a thirty (30) day notification period. As additional insured and certificate holder, the University should be included as follows: University of Maine System 16 Central Street Bangor, Maine 04401

7 3.14 Campus Tobacco Use Policy: A tobacco-free campus has been established at The University of Southern Maine to provide a healthy working and learning environment for the entire campus community. 1. The University of Southern Maine is a tobacco-free campus. This policy applies to faculty, staff, students, contractors, vendors and visitors. The use of tobacco and all smoking products is not permitted on any university-owned property, which includes but is not limited to, buildings, university grounds, parking areas, campus walkways, recreational and sporting facilities, and university or personally-owned, rented or leased vehicles. 2. Tobacco use by definition includes the possession of any lighted tobacco products, or the use of any type of smokeless tobacco, including but not limited to chew, snuff, snus, electronic cigarettes, and all other nicotine delivery devices that are non-fda approved as cessation products. 3. It is the shared responsibility of all members of the campus community to respect and abide by this policy. The successful implementation of this policy depends on the courtesy and cooperation of the entire campus community Payments: Payment will be upon submittal of an invoice to the University by the Vendor on a Net 30 basis unless discount terms are offered. Invoices must include a purchase order number. The University is using several, preferred methods of payment: PCard (Visa); Bank of America s epayables and PayMode electronic payment systems. Please indicate your ability to accept payment via any or all of these methods Delivery: on or before June 17, The Vendor will have the complete responsibility for the equipment until it delivered and unloaded to an approved rigging company, at which point it will be turned over to the installing contractor. All transportation and unloading arrangements to the rigging company will be the responsibility of the Vendor. All transportation and unloading arrangements from the rigging company to the Gorham Central Heat Plant will be the responsibility of the installing contractor.

8 SECTION FOUR SPECIFICATIONS Pad Mount Transformer

9 UNIVERSITY OF SOUTHERN MAINE CHP GORHAM BOILER REPLACEMENT PROJECT #: SECTION PRE-PURCHASE SPECIFICATION PART 1 - GENERAL 1.1 SCOPE OF WORK A. Provide medium voltage transformer as shown on the Contract Drawings and in conformance with this Section. 1.2 RELATED DOCUMENTS A. Contract Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section. 1.3 DIVISION OF RESPONSIBILITY A. Equipment Vendor: 1. Equipment manufacturer contracted by the University to fabricate and supply the specified equipment. Additional responsibilities include equipment submittals, factory testing, delivery of the equipment to the jobsite, field inspections upon arrival at the jobsite, supervision of all pre-functional testing procedures, training and additional activities as listed in this specification. B. Electrical Contractor: 1. Installation contractor contracted by the University to install and integrate the specified equipment for the project. Additional responsibilities include inspection of the equipment upon arrival to the job site, coordination of the equipment delivery, off loading and final placement of the equipment, protection of the equipment between offloading and final placement, field installed wiring, switchgear control wiring verification, assistance in all pre-functional & functional testing procedures, assistance in switchgear as-built submittals, preparation of field as-built drawings and additional activities as listed in this specification. 1.4 SUMMARY A. This Section includes the following types of transformers with medium-voltage primaries: 1. Pad-mounted, liquid-filled transformers. 1.5 DEFINITIONS A. The following definitions apply to this Section: RMF PROJECT NO.: A PRE-PURCHASE DOCUMENTS FEBRUARY 2718, 2013

10 UNIVERSITY OF SOUTHERN MAINE CHP GORHAM BOILER REPLACEMENT PROJECT #: QUALIFICATIONS 1. AA: air-to-air (dry type, ventilated, self-cooled) 2. AC: alternating current 3. FA: forced-air (cooled) 4. FFA: future forced air (cooled) 5. FCAN: full capacity above normal 6. FCBN: full capacity below normal 7. MOV: metal oxide varistor 8. OA: oil-to-air (liquid-immersed, self-cooled) A. The manufacturer of the core and coil shall procure all other transformer components, and shall assemble, factory test, and prepare the transformer for shipping. B. The transformer manufacturer shall have quality certification to ISO 9000:2000 or equivalent. 1.7 REFERENCE STANDARDS A. Comply with the following standards in effect at the time of bid submittal: 1. IEEE C2 National Electrical Safety Code. 2. IEEE IEEE Standard Test Procedure for Evaluation of Systems of Insulation for Dry-Type Specialty and General Purpose Transformers 3. IEEE IEEE Guide for the Application of High Temperature Insulation Materials in Liquid-Immersed Power Transformers 4. IEEE IEEE Standard for the Electronic Reporting of Transformer Test Data 5. IEEE IEEE Guide for Determination of Maximum Winding Temperature Rise in Liquid-Filled Transformers 6. IEEE C37 Family of Guides and Standards for Circuit Breakers, Switchgear, Relays, Substations, and Fuses, with emphasis on the following: a. ANSI/IEEE C (R1992) American National Standard Specifications for Distribution Fuse Disconnecting Switches, Fuse Supports, and Current-Limiting Fuses b. IEEE C IEEE Standard for Switchgear-Unit Substations- Requirements 7. IEEE C57 Family of Guides and Standards for Distribution, Power, and Regulating Transformers, with emphasis on the following: a. IEEE C IEEE Standard General Requirements for--liquid- Immersed Distribution, Power, and Regulating Transformers b. IEEE C IEEE Standard General Requirements for Dry-Type Distribution and Power Transformers Including Those with Solid Cast and/or Resin Encapsulated Windings c. ANSI/IEEE C American National Standard for Transformers--230 RMF PROJECT NO.: A PRE-PURCHASE DOCUMENTS FEBRUARY 2718, 2013

11 UNIVERSITY OF SOUTHERN MAINE CHP GORHAM BOILER REPLACEMENT PROJECT #: SUBMITTALS kv and Below 833/958 through 8333/10,417 kva, Single-Phase, and 750/862 through 60,000/80,000/100,000 kva, Three-Phase without Load Tap Changing; and 3750/4687 through 60,000/80,000/100,000 kva with Load Tap Changing--Safety Requirements d. ANSI/IEEE C (R1998) American National Standard for Transformers-- Pad-Mounted, Compartmental-Type, Self-Cooled, Three- Phase Distribution Transformers with High-Voltage Bushings, 2500 kva and Smaller: High-Voltage, 34,500 GrdY/19,920 Volts and Below; Low Voltage, 480 Volts and Below Requirements e. ANSI/IEEE C IEEE Standard for Pad-Mounted, Compartmental-Type, Self-Cooled, Three-Phase Distribution Transformers for Use with Separable Insulated High-Voltage Connectors (34,500 GrdY/19,920 Volts and Below; 2500 kva and Smaller) f. ANSI/IEEE C American National Standard Pad-Mounted Equipment--Enclosed Integrity g. IEEE C IEEE Standard Terminal Markings and Connections for Distribution and Power Transformers h. IEEE C IEEE Standard Terminology for Power and Distribution Transformers i. IEEE C IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers and IEEE Guide for Short Circuit Testing of Distribution and Power Transformers j. IEEE C (R1999) IEEE Guide for Application of Transformer Connections in Three-Phase Distribution Systems k. IEEE C IEEE Guide for Liquid-Immersed Transformer Through-Fault-Current Duration l. IEEE C (R1995) IEEE Guide for Acceptance of Silicone Insulating Fluid and Its Maintenance in Transformers m. IEEE C IEEE Guide for Acceptance and Maintenance of Less Flammable Hydrocarbon Fluid in Transformers 8. ANSI/IEEE 386 Separable Insulated Connector Systems for Power Distribution Systems Above 600V 9. NFPA 70 National Electrical Code 10. Applicable NRTL standards. A. Compliance statement as described under Quality assurance section of this Specification. B. Product Data: The equipment vendor shall provide rated nameplate data, capacities, weights, dimensions, minimum clearances, installed devices and features, location of each field connection, and performance for each type and size of transformer indicated. C. Shop Drawings: The equipment vendor shall provide diagram power signal and control wiring. 1. Underground primary and secondary conduit stub-up location. 2. Dimensioned concrete base, outline of transformer, and required clearances. 3. Ground rod and grounding cable locations. RMF PROJECT NO.: A PRE-PURCHASE DOCUMENTS FEBRUARY 2718, 2013

12 UNIVERSITY OF SOUTHERN MAINE CHP GORHAM BOILER REPLACEMENT PROJECT #: D. Manufacturer Seismic Qualification Certification: The equipment vendor shall submit certification that transformer assembly and components will withstand seismic forces up to seismic design category B. Include the following: 1. Basis for Certification: Indicate whether withstand certification is based on actual test of assembled components or on calculation. a. The term "withstand" means "the unit will remain in place without separation of any parts from the device when subjected to the seismic forces specified." 2. Dimensioned Outline Drawings of Equipment Unit: Identify center of gravity and locate and describe mounting and anchorage provisions. 3. Detailed description of equipment anchorage devices on which the certification is based and their installation requirements. E. Qualification Data: For installer, manufacturer, and testing agency. F. Source quality-control test reports. G. Field quality-control test reports. H. Follow-up service reports. I. Operation and Maintenance Data: Prepared by the equipment vendor for transformer and accessories to include in emergency, operation, and maintenance manuals. 1.9 QUALITY ASSURANCE A. Quality Certification: The transformer manufacturer shall have quality certification to ISO 9000:2000 or an equivalent Quality Management System acceptable to the Engineer. Evidence of certification shall be submitted with equipment shop drawings. B. Electrical Testing Agency Qualifications: An independent electrical testing agency, with the experience and capability to conduct the specified testing, and is a member company of the InterNational Electrical Testing Association. 1. Testing Agency's Field Supervisor: Person currently certified by the InterNational Electrical Testing Association or the National Institute for Certification in Engineering Technologies to supervise on-site testing specified in Part 3. C. Comply with IEEE C2 National Electrical Safety Code, NEC requirements, and Reference Standards listed herein. D. Compliance Statement: The Equipment Vendor shall include a Compliance Statement, at the time of Bid, listing each Specification Section stating paragraph-by-paragraph compliance with the Specification, and proposed nonconformities. Provide short description of minor nonconformities, and detailed explanation of other nonconformities. RMF PROJECT NO.: A PRE-PURCHASE DOCUMENTS FEBRUARY 2718, 2013

13 UNIVERSITY OF SOUTHERN MAINE CHP GORHAM BOILER REPLACEMENT PROJECT #: COORDINATION A. The Electrical Contractor shall coordinate cable quantities, sizes, and connection requirements specified in other Sections of Division 26 with components to be provided under this Section. B. The Electrical Contractor shall coordinate size and location of concrete equipment pads with the work of other trades. Follow the transformer manufacturer s installation instructions. Set inserts into concrete formwork prior to placement of concrete, and check that inserts remain in place during placement of concrete. PART 2 - PRODUCTS 2.1 MANUFACTURERS A. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. Asea Brown Boveri, Ltd. 2. Eaton / Cutler-Hammer. 3. General Electric. 4. Siemens Energy & Automation, Inc. 5. Schneider Electric / Square D 6. Cooper Industries; Cooper Power Systems Division 2.2 OUTDOOR PAD-MOUNTED, LIQUID-FILLED TRANSFORMER, A. Outdoor pad-mounted liquid-filled transformer, T-1, shall have the following ratings: KVA OA V, three phase, wye, 60 Hz primary /120V, three phase, four wire, solidly grounded wye secondary 4. 2 to 5.5% impedance 5. Outdoor enclosure 6. Basic Impulse Level: 95kV BIL. B. Pad-mounted transformers shall be in compliance with IEEE C , shall have HV and LV compartments located side-by-side and separated by a steel barrier, with concealed-hinge lockable steel HV and LV compartment doors, stainless-steel tank base and cabinet, and furnished with the following: 1. Insulating Liquid: Less flammable, edible-seed-oil based, and UL listed as complying with NFPA 70 requirements for fire point of not less than 300 deg C when tested according to ASTM D 92. Liquid shall be biodegradable and nontoxic. 2. Insulation Temperature Rise: 55 deg C, based on an average ambient temperature of 30 deg C over 24 hours with a maximum ambient temperature of 40 deg C. as defined by ANSI/IEEE C RMF PROJECT NO.: A PRE-PURCHASE DOCUMENTS FEBRUARY 2718, 2013

14 UNIVERSITY OF SOUTHERN MAINE CHP GORHAM BOILER REPLACEMENT PROJECT #: Transformer coils shall be copper wound on a 5-legged core of electrical grade steel with high magnetic permeability and insulated laminations. C. Full-Capacity Voltage Taps: Four nominal 2.5 percent taps, two above and two below rated primary voltage, with hot-stick operable no-load tap changer for de-energized use and with position indicator and padlock hasp, located in the HV terminal compartment. D. High-Voltage Switch: 200 A, make-and-latch rating of 10-kA RMS, symmetrical, arranged for loop feed with 3-phase, 4-position, closed transition sectionalizing type (feed-from-left, feed-from-right, isolated-from-both, through-feed-to-both), gangoperated, load-break switch that is oil immersed in transformer tank with hot-stick operating handle in primary compartment. E. Primary Fuses: Fuse assembly with fuses complying with IEEE C Bayonet style liquid-immersed weak link (overload sensing) expulsion fuses in series with liquid-immersed current limiting fuses. F. High-Voltage Terminations and Equipment: Dead front ANSI/IEEE C with universal-type bushing wells for dead-front bushing-well inserts, complying with IEEE 386 and including the following: 1. Bushing-Well Inserts: One for each high-voltage bushing well. 2. Surge Arresters: set of three dead-front, elbow-type, metal-oxide-varistor units. 3. Parking Stands: One for each high-voltage bushing well. 4. Portable Insulated Bushings: Arranged for parking insulated, high-voltage, loadbreak cable terminators; one for each primary feeder conductor terminating at transformer. G. LV connections: For cable connected secondary, provide insulated secondary bushings with tin-plated NEMA standard spade terminals to suit the incoming LV cable. H. Grounding: Provide stainless steel grounding terminal welded to the enclosure structural steel base. Provide tin-plated braided copper neutral grounding jumpers between the neutral bushing and the tank. I. Enclosure shall be heavy gauge steel, cleaned, degreased, primed, and finish-coated with two-part epoxy paint, UL-recognized outdoor green. Transformers shall have two stainless steel grounding conductor lugs welded to the enclosure. Transformers shall have lifting eyes, and provisions for jacking. Steel base and frame shall allow use of pipe rollers in any direction. Enclosure hinged door compartments shall be fitted with threepoint latching mechanism and flush lock, and two sets of keys shall be provided. HV compartment door shall be held closed by a closed LV compartment door, and shall be further secured by a recessed penthead bolt. Doors shall be latched in the fully open position by a gravity-operated rod. Non-locking externally accessible parts shall be secured with tamper-resistant hardware to prevent unauthorized entry. J. Accessories: 1. Drain Valve: 1 inch (25 mm), with sampling device. 2. Dial-type thermometer. RMF PROJECT NO.: A PRE-PURCHASE DOCUMENTS FEBRUARY 2718, 2013

15 UNIVERSITY OF SOUTHERN MAINE CHP GORHAM BOILER REPLACEMENT PROJECT #: IDENTIFICATION 3. Liquid-level gauge. 4. Pressure-vacuum gauge. 5. Pressure Relief Device: Self-sealing with an indicator. 6. Busway terminal connection at low-voltage compartment. 7. Alarm contacts for gauges and thermometer listed above. 8. Sudden pressure relay, ANSI Device No Key interlock to permit opening HV compartment door only after LV compartment door is open. A. Nameplates: Engraved, laminated-plastic or metal nameplate for each transformer, mounted with corrosion-resistant screws. 2.4 SEISMIC RESTRAINTS A. Design and fabricate transformers, and anchorage devices for them, to withstand static and seismic forces in any direction. 2.5 QUALITY ASSURANCE A. Factory Tests: Perform design and routine tests according to standards specified for components. Conduct transformer tests according to IEEE C B. Factory Tests: Perform the following factory-certified tests on each transformer: 1. Resistance measurements of all windings on rated-voltage connection and on tap extreme connections. 2. Ratios on rated-voltage connection and on tap extreme connections. 3. Polarity and phase relation on rated-voltage connection. 4. No-load loss at rated voltage on rated-voltage connection. 5. Excitation current at rated voltage on rated-voltage connection. 6. Impedance and load loss at rated current on rated-voltage connection and on tap extreme connections. 7. Applied potential. 8. Induced potential. 9. The Owner retains the right to witness all required factory tests. Notify Engineer of the scheduled date and duration of factory tests. 2.6 SPARE PARTS AND SPECIAL TOOLS A. 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. Fuses: Six of each type and rating for this project. 2. Plug-in lightning arresters: 3 of each type and rating for this project. 3. Plug-in cable termination elbows: 3 of each type and rating for this project. Elbows on line side sized for #2 AWG, 15kV, copper cables. RMF PROJECT NO.: A PRE-PURCHASE DOCUMENTS FEBRUARY 2718, 2013

16 UNIVERSITY OF SOUTHERN MAINE CHP GORHAM BOILER REPLACEMENT PROJECT #: Touchup Paint: Three containers of paint matching enclosure finish, each 0.5 pint (250 ml). B. Maintenance Tools: Furnish tools and miscellaneous items required for interrupter switchgear test, inspection, maintenance, and operation. Include the following: PART 3 - EXECUTION 3.1 EXAMINATION 1. Hot stick suitable for primary voltage with the following accessories: a. Hook attachment to operate load tap changer b. Neon glow tube attachment to indicate energized cable c. Hook attachment to plug in and unplug separable connectors d. One pair of insulating rubber gloves suitable for primary voltage e. Ten sets of cotton liners for the insulating rubber gloves f. One pair of leather outer gloves to protect the rubber gloves g. One pair of insulating rubber boots suitable for primary voltage h. Ten sets of cotton liners for the insulating rubber boots A. The Electrical Contractor shall examine areas and conditions for compliance with requirements for medium-voltage transformers. B. The Electrical Contractor shall examine roughing-in of conduits and grounding systems to verify the following: 1. Wiring entries comply with layout requirements. 2. Entries are within conduit-entry tolerances specified by manufacturer and no feeders will have to cross section barriers to reach load or line lugs. C. The Electrical Contractor shall examine walls, floors, roofs, and concrete equipment pads for suitable mounting conditions where transformers will be installed. D. The Electrical Contractor shall verify that ground connections are in place. Maximum ground resistance shall be 5 ohms at transformer. E. The Electrical Contractor shall proceed with installation only after unsatisfactory conditions have been corrected. 3.2 DELIVERY, STORAGE, AND HANDLING A. The Equipment Vendor shall deliver, store, and handle the transformer and accessories in accordance with manufacturer s instructions. B. The Equipment Vendor is responsible for all shipping and insurance costs to the jobsite. RMF PROJECT NO.: A PRE-PURCHASE DOCUMENTS FEBRUARY 2718, 2013

17 UNIVERSITY OF SOUTHERN MAINE CHP GORHAM BOILER REPLACEMENT PROJECT #: INSTALLATION A. The Electrical Contractor shall install transformers on concrete equipment pads. 1. Anchor transformers to concrete equipment pads according to manufacturer's written instructions, and according to seismic design category B. 2. Construct concrete equipment pads of dimensions 7 feet by 7 feet and minimum 6 inches (150 mm) thick outdoors. 3. Use 3000-psi (20.7-MPa), 28-day compressive-strength concrete and reinforcement. 4. Place and secure anchorage devices. Use supported equipment manufacturer's setting drawings, templates, diagrams, instructions, and directions furnished with items to be embedded. 5. Tack-weld or bolt transformers to channel-iron sills embedded in concrete equipment pads. Install sills level and grout flush with floor or base. B. Maintain minimum clearances and workspace at equipment according to manufacturer's written instructions and the NEC. 3.4 IDENTIFICATION A. The Electrical Contractor is responsible for identifying field-installed wiring and components and providing warning signs. 3.5 CONNECTIONS A. The Electrical Contractor shall ground equipment according to Equipment Manufacturer s recommendation. B. The Electrical Contractor shall connect wiring according to Equipment Manufacturer s recommendation. C. The Electrical Contractor shall 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. 3.6 FIELD QUALITY CONTROL A. Manufacturer's Field Service: The Equipment Manufacturer shall engage a factoryauthorized service representative to inspect field-assembled components and equipment installation, including connections, and to assist in field testing. Report results in writing. 3.7 FOLLOW-UP SERVICE A. Voltage Monitoring and Adjusting: The Electrical Contractor shall perform the following voltage monitoring immediately prior to Substantial Completion: RMF PROJECT NO.: A PRE-PURCHASE DOCUMENTS FEBRUARY 2718, 2013

18 UNIVERSITY OF SOUTHERN MAINE CHP GORHAM BOILER REPLACEMENT PROJECT #: Perform seven days of three-phase voltage recording at the secondary terminals of each transformer. Use voltmeters with calibration traceable to National Institute of Science and Technology standards and with a chart speed that is capable of showing voltage excursions lasting one minute or longer. Voltage unbalance greater than 1 percent between phases, or deviation of any phase voltage from nominal value by more than plus or minus 5 percent during test period, is not acceptable. 2. Corrective Actions: If test results are unacceptable, perform the following corrective actions, as appropriate: a. Adjust transformer taps. b. Prepare written request for voltage adjustment by electric utility. 3. Retests: After corrective actions have been performed, repeat monitoring until satisfactory results are obtained. 4. Report: Prepare written report covering monitoring and corrective actions performed. B. Thermographic Survey (Infra-Red Scan): After Substantial Completion, but not less than 1 month or more than six months after Final Acceptance, the Electrical Contractor shall perform the following thermograhic survey: 1. Perform as specified NETA Section 9 Thermographic Survey. Remove front and rear panels so joints and connections are accessible to portable scanner. 2. Instrument: Use an infrared scanning device designed to measure temperature or to detect significant deviations from normal values. Provide calibration record for device. 3. Record of Infrared Scanning: Prepare a certified report that identifies switchgear checked and that describes scanning results. 4. Corrective Action: If test results are unacceptable, perform the following corrective action, as appropriate: a. Re-torque connections. b. Replace cable lugs. c. Inform manufacturer of the problem. 5. Retests: Repeat monitoring, after corrective action has been performed, until satisfactory results are obtained. 6. Report: Prepare a written report covering monitoring performed and corrective action taken. END OF SECTION RMF PROJECT NO.: A PRE-PURCHASE DOCUMENTS FEBRUARY 2718, 2013

19 SECTION FIVE 5.0 PROPOSAL FORM: Vendors shall ensure that all information required herein is submitted with the proposal. All information provided should be verifiable by documentation requested by the University. Failure to provide all information, inaccuracy or misstatement may be sufficient cause for rejection of the proposal or rescission of an award. Vendors are encouraged to provide any additional information describing operational abilities. Responses to each requirement below should be in order and clearly marked with the section number to which they respond. 5.1 Equipment: All equipment offered and priced below shall meet or exceed the specifications shown in Section Four above. 5.2 Pricing: As described in paragraph 2.1 above, the University is seeking proposals for Transformer pre-purchase. 5.3 Having carefully examined the specifications contained therein for the Transformer, we the undersigned propose to furnish and deliver to the site and unload, the transformer, equipment and materials necessary for and reasonably incidental to the delivery of this contract for the sum of Dollars ($ ) (written dollars) This proposal must be accompanied by a copy of the appropriate certifications and proposal submittals as delineated in the specifications.

20 SIGNATURE PAGE COMPANY NAME: B y: (Signature) (Print Name) (Title) (Phone) (Cell Phone) ( Address) (Date)