RFP_-_Middle-School_-_Boiler_Replacement.pdf

“Every Student – Every Day”

Request for Proposal Name of Project

Middle School Boiler Replacement

Date

December 8, 2023

Tecumseh Public Schools 760 Brown Street

Tecumseh, MI 49286

Purpose

THIS PROJECT INVOLVES THE SUPPLY AND REPLACEMENT OF TWO EXISTING LES

BOILERS SERVING THE HEATING HOT WATER (HHW) SYSTEM WITH TWO NEW 2750 MBH

BOILERS. THE ASSOCIATED BOILER CIRCULATION PUMPS AND LEAD/LAG PUMPS SERVING

THE HHW WATER SYSTEM SHALL BE REPLACED AND MISCELLANEOUS ASSOCIATED

EQUIPMENT IN KIND. REPLACEMENT OF ONE DOMESTIC WATER HEATER AND ASSOCIATED

CIRCULATION PUMPS AND PIPING.

Timeline

Bid Issued: December 8, 2023 Pre-Bid Meeting: December 15, 2023 / 8:00am-10:00am at the Maintenance and Transportation Center, 700 S Maumee Street, Tecumseh, MI 49286 Bid Due Date: December 29, 2023 / 12:00 pm Bid Opening Date: December 29, 2023 /12:30 pm at the Maintenance and Transportation Center, 700 S Maumee Street, Tecumseh, MI 49286 Commencement of Work: Spring / Summer 2024

Submission of Proposal

Description of the information and content required for your bid is attached. Please complete and add necessary information on additional sheet and return to:

700 South Maumee Street Tecumseh, MI 49286 Attn: Director of Operations

**Name of Project

Late Proposals: All responses must be printed and signed. The bidder assumes the risk of any delay in the mail or in the handling of materials by employees of Tecumseh Public Schools. Whether sent by mail or by means of personal delivery, the bidder assumes responsibility for having his bid deposited on time at the place specified.

Returned Proposals: All proposals received after the date will be unopened and made available to the respective contractor for pick-up, at its sole cost and expense

Signed Proposal: Each proposal must be an original and hard copy, and signed by an authorized member of the contractor’s firm. This member should be the highest ranking officer at the local level.

Copies of Proposal: The contractor shall submit the original proposal and two (2) completed copies of the signed original proposal.

Opening of Proposals: At a specified location and due date as stated above all submitted proposals will be publicly opened and read aloud. All interested parties may attend the proposal opening. No decision will be rendered at the proposal opening.

Email Clarification: The district intends to communicate with contractors via email (example:

clarification and addendums).

Additional Clarification Prospective contractors may request that the district clarify information contained in this RFP. All such requests must be made in writing via email. The district will attempt to provide a written response to all written requests for clarification within five (5) business days after the receipt of such request. The joshm Highlight district will not respond to any requests for clarification less than five (5) business days from the deadline to submit the proposal. All requests for clarification and inquires must be made via email.

All requests for clarification must be directed to Joshua Mattison, Director of Operations, jmattison@tps.k12.mi.us. With the subject line as the “Name of the Project”.

No responses will be made to any oral questions. All questions and answers will be posted on the school districts website. It is each contractor’s responsibility to check the district’s website prior to the RFP Due Date to ensure that it has received all of the information, including but no limited to, all Addenda to this RFP.

Restrictions on Communications From the issue date of this RFP until a contractor is selected and the selection announced, a prospective contractor shall not communicate about the subject of this RFP or any contractor’s proposal with the district, its Board of Education, or any individual member, administrators, faculty, staff, students, employees, its construction manager, if any, except for additional requests for clarification in accordance with the paragraph above, or as otherwise required by applicable law.

RFP/Proposal Information Controlling The district intends that all contractors shall have equal access to information relative to this RFP, and that this RFP contains adequate information. No information communicated, either verbally or in writing, to or from a contractor shall be effective unless confirmed by written communication contained in an addendum to this RFP, a request for clarification or other written response thereto, or in the proposal.

Reservation of Award: The contractor will be awarded to the responsible bidder whose proposal is within the competitive range and determined to be the most advantageous to the Tecumseh Public Schools. Price, experience, references and other factors are considered. Tecumseh Publics Schools reserves the right to make awards within sixty (60) days after the date of the bid opening during which period bids may not be withdrawn. The Board of Education or its designee reserves the right to reject any or all bids, in part or in total, for any objective or subjective reason whatsoever. Late bids will not be opened.

Collusive Bidding: The Contractor certifies that its Proposal is made without any previous understanding, agreement or connection with any person, firm or corporation making a Proposal for the same Work and is in all respects fair, without outside control, collusion, fraud or otherwise illegal action.

Contractor Requirements Contractor shall be responsible for the removal of the existing boilers and installation of the new boilers at Tecumseh Middle School.

Contractor shall be responsible to obtain waste containers for the removal of all its waste materials, rubbish and packing materials resulting from his/her operations. If installer fails to clean up within seven (7) days after completion, the Owner may do so, and the cost thereof shall be charged to the Installer as a deduction in its contract price.

Contractor shall provide an adequate number of qualified, experienced personnel capable of performing the required work within the time frames set forth in Owner's schedule.

All workmen and subcontractors performing work shall be skilled in their respective trades.

Bidders shall be a reputable, recognized organization with at least five years successful experience on work of this type. References of three (3) accounts now being serviced, for which comparable work has been performed, must be furnished. Failure to include references may be ample cause for rejection.

mailto:thawkins@tps.k12.mi.us

The bidder is required to attend mandatory pre‐proposal meeting, if any, as outlined in these documents. Each bidder shall compare the premises with the specifications and be satisfied as to the conditions affecting the services to be provided before submitting their proposal. No allowance or extra consideration on behalf of any bidder will subsequently be allowed by reason or error or oversight on part of the bidder.

The bidder shall be responsible for all final measurements.

The Owner shall conduct a final inspection of project to assure that all work performed meets specifications.

The Contractor must secure all equipment and materials at the site. Contractor shall be responsible for any and all damages to existing building or grounds, sustained as a result of work under this Contract, caused by either the installation of its work or in the delivery of materials and equipment for its use. The cost of repairing or replacing such damage shall be borne by the responsible Contractor.

The repair of replacement work shall be done in a manner as to leave the facilities in the same condition as before the damage occurred, to the complete satisfaction of the Owner. The Contractor is responsible for all damages and losses until the installation has been completed and accepted by the Owner.

Installer shall identify one person, acceptable to the Owner, who shall act as liaison with the Owner. This individual should have the authority to make decisions on behalf of the installer.

Satisfactory Workers Compensation insurance and liabilities and property damage insurance must be maintained and paid for the Contractor at all times work is performed.

Commercial General Liability Insurance is required as follows: on an “Occurrence Basis” with limits of liability not less than $1,000,000 each occurrence, $3,000,000 aggregate, combined single limit, Personal Injury, Bodily Injury and Property Damage. Coverage shall include the following extensions: A) Contractual Liability; B) Products and Completed Operations; C) Independent Contractor’s Coverage; D) Broad Form General Liability Extensions or equivalent; E) Deletion of all Explosion, Collapse and Under group (XCU) Exclusions, if applicable.

Professional Liability Insurance (Errors & Omissions): of $1,000,000 each occurrence and $3,000,000 annual.

Workers Compensation including Employer’s Liability Coverage: of $100,000 each accident, $500,000 annual aggregate, in accordance with all applicable Michigan law.

Specifications See ATTACHMENT A and drawings for boiler specs and installation expectations. Note:

Equivalents may be considered; however, proposals for equivalent materials must be disclosed as an exception to the terms and conditions of this RFP.

Contractual Information Familial Disclosure Affidavit: All Contractors must provide familial disclosure in compliance with MCL 380.1267 and attach this information to its Proposal. The Proposal must be accompanied by a sworn and notarized statement disclosing any familial relationship that exists between the owner and/or any employee of the Contractor and any member of the School District’s Board of Education or the District’s Superintendent. The School District will not accept a Proposal that does not include this sworn and notarized disclosure statement. The Familial Disclosure Affidavit is attached to this RFP as ATTACHMENT B.

joshm Highlight

Iran Economic Sanctions Act: In accordance with Michigan Public Act No. 517 of 2012, all Proposals must be accompanied by a sworn and notarized statement certifying that the Contractor is not an Iran Linked Business. The School District will not accept a Proposal that does not include this sworn and notarized statement. The Affidavit of Compliance – Iran Economic Sanctions Act is attached to this RFP as ATTACHMENT C.

Performance Bond: Successful Contractors whose Proposals are $50,000 or more will be required to furnish Performance and Payment Bonds, in a form satisfactory to the

District, in the amount of 100% of its Proposal by a Treasury listed Surety licensed to do business in the State of Michigan, and the attorney‐in‐fact who executed the Performance and Payment Bonds on behalf of the Contractor shall attach a certified, current copy of its power of attorney. The cost of the Bonds shall be included in each Proposal.

Bid Bond: Bids over $23,126.00 must be accompanied by a certified check or Treasury listed bid bond, as listed in U.S Dept. of Treasury Circular 570, in minimum amount of 5% of bid amount. Please include this. Bids not received without this guaranty will not be read or considered.

Governing Law: The Contract shall be governed by and construed in accordance with the laws of the State of Michigan. The parties hereby agree to the exclusive jurisdiction and venue of courts sitting in Livingston County, Michigan.

General Indemnification: Contractor shall indemnify, defend and hold harmless the District, its Board of Education, its Board Members, in their official and individual capacities, its administrators, employees, agents, contractors, successors and assignees, from and against any and all claims, counter claims, suits, debts, demands, actions, judgments, liens, costs, expenses, damages, injuries and liabilities, including actual attorney’s fees and actual expert witness fees arising out of or in connection with Contractor’s performance of the Contract and/or from Contractor’s violation of any of the terms of the Contract, including, but not limited to: (i) the negligent acts or willful misconduct of the Contractor, its officers, directors, employees, successors, assignees, contractors and agents; (ii) any breach of the terms of the Contract by the Contractor, its officers, directors, employees, successors, assignees, contractors and agents; (iii) any violation or breach of any applicable Federal, State or local law, rule, regulation, ordinance, policy and/or licensing and permitting requirements applicable to the Contract; or (iv) any breach of any representation or warranty by the Contractor, its officers, directors, employees, successors, assignees, contractors and agents under the Contract. The Contractor shall notify the District by certified mail, return receipt requested, immediately upon actual knowledge of any claim, suit, action, or proceeding for which Tecumseh Public School District may be entitled to indemnification under the Contract. This paragraph shall survive the expiration or earlier termination of the Contract.

Compliance with Laws: Contractor shall comply with any and all applicable federal, state and local laws, rules, ordinances, policies and regulations, including any licensing and permitting requirements, under the Contract. Contractor, including its personnel, employees, contractors, consultants and agents shall be responsible for knowing the District’s policies concerning appropriate behavior of persons in School District facilities and, on School District properties, including for example, the prohibitions of sexual harassment and smoking, and shall comply with all such policies. Contractor represents and warrants to the School District that it shall at all times be in compliance with any and all applicable federal and state laws, rules, ordinances, policies and regulations and licensing and permitting requirement applicable to the Contract.

Contractor shall indemnify, defend and hold District harmless from any liability from its failure to so comply.

Federal Labor Standards provisions found in HUD Form 4010 and Davis-Bacon/Related Acts apply to this project

Pricing: Prices quoted are to be F.O.B. to Tecumseh Public Schools. All purchases prices shall be net;

including transportation, insurance and delivery charges fully prepaid by the successful Contractor to destinations indicated in the Proposal.

Taxes: the Tecumseh Public School District is exempt from taxes. However, when state and local taxes are required on construction materials installed by the Contractor, such taxes must be included in the Contractor’s Proposal price.

Proposal Withdrawal: Contractors may withdraw its Proposals any time before the Due Date. Proposals may not be withdrawn for at least 90 days after the Due Date.

Competition: The name of a model, manufacturer or brand in this RFP shall not be considered as exclusive of other brands. Brands and models specified in this RFP are preferred. The District expects all supplies, materials, equipment or products bid by a Contractor to meet or exceed the Specifications set forth in this RFP. Further, it is the District’s intent that this RFP permit competition. Accordingly, the use of any patent, proprietary name or manufacturer’s name is for demonstrative purposes only and is not intended to curtail competition. Whenever any supplies, material, equipment or products requested in this RFP are specified by patent, proprietary name or by the name of the manufacturer, unless stated differently, such specification shall be considered as if followed by the words “or comparable equivalent,” whether or not such words appear. The School District in its sole and absolute discretion shall have the right to determine if the proposed equivalent products/brands submitted by the Contractor meet the Specifications contained in this RFP and possess equivalent and/or better qualities. It is the contractors’ responsibility to notify the District in writing if any specifications or suggested comparable equivalent products/brands require clarification by the District prior to the Due Date of the Proposals. Any and all deviations from the Specification must be noted on the Proposal Form.

Attachment A

Scope of Work Requirements:

- Provide 2 Cleaver Brooks 2750 MBH boilers, or equivalent product.

- Manufacturer recommendations on installation.

- Bid must include:

o Individual stacks (double wall vent) o Rigging of old boilers and new boilers o Roof work - penetrations and collars coordinated with stack runs o Concrete work o Individual combustion air – Spiral or PVC

- Bid to include start up and operator training by certified Cleaver Brooks, or equivalent, representative.

- Must pull all the required permits for the install.

- Coordinate all electrical work.

- Bid to include moving hot water heater vent to its own roof penetration with additional venting material.

GENERAL

SUMMARY

Section includes gas-fired, fire-tube condensing boilers, trim, and accessories for generating hot water.

ACTION SUBMITTALS

Product Data: For each type of product.

Shop Drawings: For boilers, boiler trim, and accessories. Include product description, model number, dimensions, clearances, weights, components and options.

Include details of equipment assemblies. Indicate dimensions, weights, loads, required clearances, method of field assembly, components, and location and size of each field connection.

Include diagrams for power, signal, and control wiring.

Schematic wiring diagram of boiler control system of the ladder-type showing all components, interlocks, etc. Schematic wiring diagram shall clearly identify factory wiring and field wiring by others.

Detail wiring for power, signal, and control systems.

INFORMATIONAL SUBMITTALS

Seismic Calculations

Source quality-control reports.

Field quality-control reports.

Manufacturer’s Certification: The boiler manufacturer shall certify the following:

The products and systems furnished are in strict compliance with the specifications.

The boiler, burner, and other associated mechanical and electrical equipment have been properly coordinated and integrated to provide a complete and operable boiler package.

ASME Certification in the form of ASME Stamp on the product and completed and signed data sheet.

ASME CSD-1 Certification, in the form of completed data sheet.

cULus Certification in the form of an affixed label to the equipment.

The specified factory tests have been satisfactorily performed.

The specified field tests have been satisfactorily performed.

CLOSEOUT SUBMITTALS

Operation and maintenance data.

Manufacturer’s printed operation and maintenance manuals shall be submitted prior to final acceptance by the engineer. Operation and maintenance manuals shall contain dimension and wiring drawings, product data, operating instructions, cleaning procedures, replacement parts list, maintenance and repair data, complete parts list, etc.

Manufacturer’s data reports.

Start-up reports.

WARRANTY

Manufacturer's Warranty: Manufacturer agrees to repair or provide replacement components of boilers that fail in materials or workmanship within specified warranty period.

Warranty Period for Fire-Tube Condensing Boilers:

The pressure vessel shall be guaranteed against thermal shock for the lifetime of the boiler when utilized in a closed loop hydronic heating system with a temperature differential of 120 °F or less. The boiler pressure vessel shall be guaranteed accordingly without a minimum flow rate or return water temperature requirement. The boiler shall not require the use of flow switches or other devices to ensure minimum flow.

The pressure vessel, tubes and tube sheets (heat exchanger) shall be guaranteed against flue gas corrosion and materials/workmanship for a period of 15 years. The condensate collection box shall be guaranteed for 20 years. The burner cylinder shall be warranted for a period of 5 years.

All parts not covered by the above warranties shall carry a 2 year warranty from startup, or 30 months from shipment, whichever occurs first. This shall include all electrical components and burner components.

PERFORMANCE REQUIREMENTS

Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

ASME Compliance: Fabricate and label boilers to comply with the current version of the ASME Boiler and Pressure Vessel Code.

ASHRAE/IES 90.1 Compliance: Boilers shall have minimum efficiency according to "Gas and Oil Fired Boilers - Minimum Efficiency Requirements."

AHRI Testing: The boilers shall be tested and certified per AHRI requirements for efficiency ratings.

UL Compliance: Test boilers for compliance with UL 795 and CAN1-3.1-77. Boilers shall be listed and labeled by a testing agency acceptable to authorities having jurisdiction.

CSA or cULus certified as an indirect or direct vent boiler and comply with standard

CAN1-3.1-77.

Boiler and controls shall be compliant with ASME CSD-1 Code requirements.

For securing boiler to concrete base.

Seismic Fabrication Requirements: Fabricate mounting base and attachment to boiler pressure vessel, accessories, and components with reinforcement strong enough to withstand seismic forces as required for jobsite when mounting base is anchored to building structure. The boiler manufacturer shall provide required anchoring provisions. Contractor shall anchor boilers to meet specification requirements.

PRODUCT

HIGH MASS FIRETUBE STAINLESS STEEL CONDENSING BOILERS

Manufacturers: Subject to compliance with requirements, provide products by the following available manufacturer offering products that may be incorporated into the Work shall include, but are not limited to, the following:

Subject to compliance with requirements, provide Cleaver Brooks Clearfire Boiler(s) model CFC-E as indicated on Drawings or approved equal:

Cleaver Brooks – Model Clearfire CFC-E (Basis of Design)

"Near condensing" copper fin designs, watertube, cast iron, cast aluminum, or "add-on" secondary condensing exchangers will not be considered. Boilers with minimum flow requirements also will not be considered.

Description: Each unit shall be a down-fired firetube type complete with burner and automatic controls. The boiler, with all piping and wiring, shall be a factory package. Each boiler shall be neatly finished, thoroughly tested and properly packaged for shipping. Boiler design and construction shall be in accordance with Section IV of the ASME Code for hot water heating boilers with a maximum working pressure of 125 PSIG.

Heat Exchanger: Duplex stainless steel tubes, tube sheets, and combustion chamber. The heat exchanger shall be a single-pass, counter-flow arrangement.

The firetubes shall be duplex stainless steel, fitted with aluminum internal heat transfer fins.

Pressure Vessel: Carbon steel with welded heads and tube connections.

The boiler shall have one supply connection with dual return water connections. The dual return water connections shall enable the boiler to operate in a condensing mode when as little as 10% of the flow is returned to the low temperature return with a maximum temperature of 120°F.

The boiler pressure vessel shall have a minimum of 42 gallons of water volume/1000 MBH input.

The boiler shall be low flow tolerant without minimum flow requirements or the use of a flow switch.

The boiler shall have a minimum of 200 sqft/1000 MBH of effective fireside heating surface.

Burner: [Natural] [Propane] gas, forced draft burner mounted in and integral with the boiler hinged top door so when the door is opened the burner head, furnace, tubesheet, and tube entrances are exposed. The burner door shall utilize easy removable threaded handles, and the burner shall swing upward on gas assist piston arms, one on each side to provide open support of the burner assembly.

The burner shall be a linkage-less, self-regulating, air-fuel ratio gas valve-venturi system.

Burner regulation shall be accomplished without the use of fuel/air mixing valves.

The burner shall be achieve sub 20 ppm NOx when firing on natural gas at all firing rates.

Burner and fireside access shall be able to be performed by one service technician.

Burner Head: shall be constructed of a stainless steel metal fiber for solid body radiation of the burner flame. Combustion shall take place on the surface of the burner mantle, which shall be constructed of a woven stainless steel metal fabric resulting a 360 degree low temperature radiant flame.

Burner shall be minimum 5:1 [500-2000 MBH] or 10:1 [2500-6000 MBH] fully modulating turndown. (Natural gas)

Burner shall maintain no more than 7% O2 levels throughout the firing rate without additional sensors, linkages, or controls.

The pre-mix design shall utilize a variable speed fan connected to a venturi to simultaneously modulate the fuel and air for a minimum 5:1[500- 2000 MBH] or 10:1 [2500-6000 MBH] turndown. The valve-venturi design shall also act as a method for compensating for changes in barometric pressure, temperature, and humidity so the excess air levels are not adversely affected by changes in atmospheric conditions.

External linkages and single speed fans shall not be acceptable.

Blower: Centrifugal fan to operate during each burner firing sequence and to prepurge and postpurge the combustion chamber.

The blower motor shall have a variable speed ECM motor with integrated drive electronics. Constant speed motors and variable frequency AC drives are not acceptable.

Gas Train: The gas train shall meet the requirements of CSA/UL and ASME CSD-1 and shall include:

1. Low Gas Pressure Interlock, manual reset.

2. High Gas Pressure Interlock, manual reset.

3. Upstream and downstream manual test cocks.

4. Ball Type manual shutoff valve upstream of the main gas valve.

5. Unibody double safety gas valve assembly.

6. Gas Pressure Regulator

7. Union connection to permit burner servicing.

8. Proof of Closure Valve (6000 MBH only)

Ignition: Spark ignition [500-2500 MBH] or Pilot ignition [3000-6000 MBH] with 100 percent main-valve shutoff with UV scanner for flame supervision.

Combustion air proving switch shall be furnished to ensure sufficient combustion airflow is present for burner ignition firing.

To ensure that the flue is not blocked, the burner shall include a High Air Pressure Switch sensing the outlet pressure connection relative to stack backdraft.

Casing:

Jacket: 18 gauge metal cabinet with snap-in or interlocking closures.

Control Compartment Enclosures: NEMA 250, Type 1A.

Finish: Powder-coated protective finish.

Insulation: Minimum 2-inch thick, mineral-fiber insulation surrounding the heat exchanger.

Combustion-Air Connections: Inlet and vent duct collars.

[Combustion air inlet filter]

TRIM

Safety valve(s) shall be ASME Section IV approved side outlet type mounted on the boiler air vent outlet. Size shall be in accordance with code requirements and set to open at [30] [50] [60] [75] [80] [90] [100] [125] psig.

Temperature and pressure gauge shall be mounted on the water outlet.

Solid State Low water cut-off probe control with manual reset and test switch.

Manual Reset High Limit Temperature sensor; range not to exceed 210 deg F and shall be an integral device of the Boiler Burner Control and UL Recognized as a limit control.

Outlet water supply sensing probe for operating water limit setpoint.

Return water-sensing probe for operating limit setpoint.

Drain valve

Automatic air vent

Auxiliary low water cutoff

Alarm lights and horn (general alarm light – red, fuel valve light – green, load demand light – white, low water light - amber)

Alarm horn (electronic sounder)

Stack temperature sensor – UL Recognized as a limit control.

Condensate neutralization kit [tube] [tank] [combination tank and trap]

Automatic isolation valve, including valve, actuator, and transformer to power isolation valve through the boiler. The valve, actuator, and transformer shall ship loose for field installation and wiring.

The isolation valve shall be Bray 2-way resilient seated butterfly valve, model ABL or approved equal, with ANSI 150# flanges, lugged style.

The electric actuator shall a Bray Commercial actuator, or approved equal, 24VAC, fail in position, with auxiliary end switch.

CONTROLS

The Boiler shall include a Falcon Computerized Boiler Burner control which shall be an integrated, solid state digital micro-processing modulating device, complete with sequence indication, fault reset, mode selection, and parameter set-point. It shall be mounted at the front of the boiler panel for easy access and viewing.

Controller shall provide for both flame safeguard and boiler control through separate power supplied CPU’s (to meet NFPA) and shall perform the following functions:

Burner sequencing with safe start check, pre-purge, Electronic direct spark ignition and post purge. A UV scanner shall be used to prove combustion.

Flame Supervision. The control shall provide pre-purge and post-purge and shall maintain a running history of operating hours, number of cycles, and the most recent fifteen lockouts. The control shall be connected to a touchscreen display interface that will display this information in clear English text descriptions.

Safety Shutdown with display of lockout or hold condition.

PID modulating control of the variable speed fan for firing capacity relative to load requirements; i.e. to meet supply water temperature set point.

Gas pressure supervision, high and low.

Combustion Air Proving Supervision.

High Air Pressure [back draft too high] Supervision.

The supply temperature and set-point temperature shall be displayed at all times on the touch screen display.

Controller shall be equipped with a touch screen display for set up, trouble shooting, and operational display, and shall include ModBus communication capability of this information.

Include the programming of circulating pump or isolation valve control and support the control of 2 heating demand loops.

All parameter input control set-points shall be factory pre-configured. Parameter settings are to be established to suit jobsite conditions -- settings are to be configured at the time of initial jobsite operation.

All controls to be panel mounted and so located on the boiler as to provide ease of servicing the boiler without disturbing the controls and also located to prevent possible damage by water according to UL and CSA requirements.

Electrical power supply shall be 115 volts, 60 cycle single phase.

When multiple boilers are to be installed together, a system integration control shall be provided to stage up to 8 boilers. The control shall include automatic selection of needed boilers based on energy demand, an adjustable outdoor reset schedule, domestic hot water priority, and a system digital display. The control shall stage and modulate the boilers utilizing firing rate threshold staging and parallel modulation to optimize condensing potential while minimizing energy wasting short cycling. This strategy takes full advantage of the inverse efficiency characteristic (lower fire rate, higher efficiency) of condensing boilers. The control shall monitor supply water temperature, return water temperature and shall communicate between boilers via RS-485 network wiring.

Boilers shall communicate with [BACnet I/P] [BACnet MSTP] [LONWorks] [ModBus TCP/IP] [ModBus RTU] [Johnson Metasys N2] building management system utilizing a protocol translator for requirements other than the native ModBus RTU.

Protocol translator mounted in a NEMA 1 panel with power supply and terminals.

Protocol translator shipped loose for installation in boiler control panel with required power supply.

The boiler controls shall include provisions for [outside air reset] [night setback].

The boiler controls shall include provisions for sending signal to [start/stop primary boiler pump] [start/stop primary boiler pump and vary pump speed based on boiler firing rate] [open/close automatic isolation valve].

Boiler shall have capability to have 24/7 remote monitor without connections to a BMS through an encrypted secure channel. The remote interface shall have the following features and capabilities

Display real time boiler system operation, cycle counts, temperature readings, and runs hours, firing rate, steam pressure, inlet/outlet water temps, alarms, stack temperature, and more

View data on mobile app and customizable online dashboard Multiple user authorization with different levels of access Multiple site integration to allow user to see all boiler plants and control individual plants Email and text alerts Data trending

ELECTRICAL POWER

Single-Point Field Power Connection: Factory-installed and -wired electrical devices necessary shall provide a single-point field power connection to boiler. Separate power and control connections will not be allowed.

Provide ship loose transformer to accommodate [208/3/60] [575/3/60] voltage.

House in NEMA 250, Type 1 enclosure.

Wiring shall be numbered and color coded to match wiring diagram.

Install factory wiring outside of an enclosure in a metal raceway or conduit.

Field power interface shall be to [non-fused] [fused] disconnect switch.

VENTING

Exhaust Stack: Complete system, per UL 1738 for Category IV appliances, stainless steel, pipe, vent terminal, thimble, vent adapter, and sealant.

Stack to be designed and manufactured by boiler manufacturer.

Combustion-Air Intake: Complete system, [PVC] [galvanized steel] [spiral duct] [stainless steel], pipe, vent terminal with screen, inlet air coupling, and sealant, by others.

SOURCE QUALITY CONTROL

Burner and Hydrostatic Test: Factory pressure test gas train, test fire burner and gas train assembly, and perform a functional controls test for all safety devices;

perform hydrostatic test.

Test and inspect factory-assembled boilers, before shipping, according to most current ASME Boiler and Pressure Vessel Code.

EXECUTION

BOILER INSTALLATION

Installation shall be provided by the contractor in accordance with the requirements of the codes specified hereinbefore. All of the contractor's work shall be performed by experienced personnel previously engaged in boiler plant construction and shall be under the supervision of a qualified installation supervisor.

Equipment Installation:

Install boilers on cast-in-place concrete equipment base(s). Comply with requirements for equipment bases.

Comply with requirements for seismic-restraint devices.

Install equipment in strict compliance with manufacturer's installation instructions.

Install equipment in strict compliance with state and local codes and applicable NFPA standards.

Maintain manufacturer's recommended clearances around sides and over top of equipment.

Install components that were removed from equipment for shipping purposes.

Install components that were furnished loose with equipment for field installation.

Provide all interconnecting electrical control and power wiring.

Provide all fuel gas vent and service piping.

Provide all piping for boiler pipe connections.

CONNECTIONS

Piping installation requirements are specified in other Sections. Drawings indicate general arrangement of piping, fittings, and specialties.

Install piping adjacent to boiler to allow service and maintenance.

Install piping from equipment drain connection to nearest floor drain. Piping shall be at least full size of connection. Provide an isolation valve if required.

Connect gas piping to boiler gas-train inlet with union. Piping shall be at least full size of gas-train connection. Provide a reducer if required. Piping shall be properly sized to minimize pressure drops for longer gas piping runs. Refer to boiler IOM for sizing and header recommendations.

Connect hot-water piping to supply- and return-boiler tappings with shutoff valve and union or flange at each connection.

Install piping from safety relief valves to nearest floor drain.

Boiler Venting:

Install flue venting and combustion-air intake.

Ground equipment according to specification requirements.

Connect wiring according to specification requirements.

FIELD QUALITY CONTROL

General: The boiler supplier’s factory authorized service organization shall be responsible for performance of inspections, start up and testing of the package boiler, and accessory equipment and materials furnished under this Section. A detailed written record of the startup performance, including burner setting data over the entire load range shall be furnished to the engineer before final acceptance. All labor, equipment, and test apparatus shall be furnished by the authorized service organization. All equipment defects discovered by the tests shall be rectified either by the service organization or boiler manufacturer.

Equipment inspection: Boiler representative shall inspect boilers and other equipment upon arrival, verifying completeness of equipment supplied and potential damages. All shipped loose components, to be mounted and installed on boiler by contractor.

Equipment shall be flushed prior to start-up per the water treatment company guidelines and product installation manual requirements.

Pre start-up walk through: Boiler representative shall review the installation with the mechanical contractor prior to start-up and note any required changes prior to start-up.

Start-up shall be conducted by experienced and factory authorized technician in the regular employment of the authorized service organization, and shall include:

1. Demonstrate that boiler, burner, controls, and accessories comply with requirements of this Section as proposed by the boiler and accessories supplier. Pre-test all items prior to scheduling the final testing that will be witnessed by the test engineer.

2. Readings at different firing rates (20, 50, 75 and 100%) of load for the modulating burner shall be taken with a written report of the tests submitted to the engineer. The reports shall include readings for each firing rate tested and include stack temperatures, O2, CO, NOx, and overall boiler efficiency.

3. Auxiliary Equipment and Accessories: Observe and check all valves, draft fans, electric motors and other accessories and appurtenant equipment during the operational and capacity tests for leakage, malfunctioning, defects, and non-compliance with referenced standards or overloading as applicable.

4. Commissioning Requirements:

1. Fireside inspection

2. Set up fuel train and combustion air system

3. Set up operating set points

4. Check all safeties, including Flame safeguard, LWCO, Airflow, Fuel pressures, High limits.

5. Set up and verify efficiencies at 20%, 50%, 75%, and 100%

6. Set up and verify burner turndown.

Retain "Perform the following tests and inspections" Paragraph below to require Contractor to perform tests and inspections.

DEMONSTRATION

Training to include all safety procedures, maintenance procedures, control operations, and diagnostic procedures. Training to be provided to accommodate operator’s availability on site.

ATTACHMENT B

SWORN AND NOTARIZED FAMILIAL DISCLOSURE STATEMENT

Important: This disclosure statement must be included with your bid as required by state law

(Public Act 232 of 2004).

As required by Public Act 232 of 2004, all bids shall be accompanied by a sworn and notarized statement disclosing any familial relationship that exists between the owner or any employee of the bidder and any member of the Boards of Education, the Superintendent of Schools, or the Business Manager of the Tecumseh Public Schools:

The Tecumseh Public Schools’ Board of Education shall not accept any bid that does not include this sworn and notarized disclosure statement

The undersigned, owner or authorized officer of (the bidder), pursuant to the familial disclosure requirement provided in the attached invitation to bid, hereby represent and warrant, except as provided below, that no familial relationships exist between the owner(s) or any employee of the company, and any member of the Board of Education, the Superintendent of Schools, or the Business Manager of the school districts listed above. If such a relationship exists, please explain:

BIDDER’S FIRM NAME:

BY (SIGNATURE):

PRINTED NAME & TITLE:

STATE OF MICHIGAN

COUNTY OF

Subscribe and sworn before me on this

Day of , 20 , a Notary Public

In and for County, Notary Public

My Commission expires

ATTACHMENT C

SWORN AND NOTARIZED AFFIDAVIT OF COMPLIANCE IRAN ECONOMIC

SANCTIONS ACT

Michigan Public Act No. 517 of 2012

All bidders must submit the following certification statement in compliance with Public Act No.

517 of 2012 (the “Iran Economic Sanctions Act”) and attach this form to the bid.

The Tecumseh Public Schools Board of Education shall not accept any bid that does not include this sworn and notarized certification of statement.

The undersigned, the owner or authorized officer of (the Bidder), pursuant to the compliance certification requirement provided in the Tecumseh Public Schools Request for Proposal, hereby certifies, represents and warrants that the Bidder (including its officers, directors and employees) is not an “Iran linked business” within the meaning of the Iran Economic Sanctions Act, and that in the event the Bidder is awarded a contract as a result of the aforementioned Request for Proposal, the Bidder will not become an “Iran linked business” at any time during the course of performing the work or any services under the contract.

The Bidder further acknowledges that any person who is found to have submitted a false certification is responsible for a civil penalty of not more than $250,000.00 or two (2) times the amount of the contract or proposed contract for which the false certification is made, whichever is greater, the cost of the Tecumseh Public Schools investigation, and reasonable attorney fees, in addition to the fine. Moreover, any person who submitted a false certification shall be ineligible to bid on a Request for Proposal for three (3) years from the date it is determined that the person has submitted the false certification.

BIDDER’S FIRM NAME:

BY (SIGNATURE):

PRINTED NAME & TITLE:

DATE:

STATE OF MICHIGAN

COUNTY OF

Subscribe and sworn before me on this

Day of , 20 , a Notary Public

In and for County, Notary Public

My Commission expires

ATTACHMENT D

Safety Program Certification

The individual listed below certifies that their company is in compliance with all applicable regulatory requirements, including having the following in place:

• A detailed, comprehensive safety program that is in compliance with MIOSHA requirements.

• Training for each individual that is current as dictated by MIOSHA regulations as applicable for the work they will be assigned at the Tecumseh Public Schools.

• Medical Surveillance should be provided for each worker when deemed necessary per MIOSHA regulations. When respiratory protection is necessary, workers must be medically cleared for usage of respirator.

• Workers that will be assigned to operate District-owned or leased permitted equipment, including aerial work platforms, mobile equipment, forklifts, tractors or other powered industrial equipment must be trained and certified to use the equipment.

• Workers must be assigned Personal Protective Equipment (Respirators, etc.) that is in good condition and is inspected per MIOSHA regulations. Safety Glasses, steel-toed boots, and a hardhat are required on all District construction sites.

Corporate Safety Officer:

Name of Organization:

Title:

Name (printed):

Signature:

Date: