36C25922R0057_1.docx

1. SOLICITATION NUMBER

2. TYPE OF SOLICITATION

3. DATE ISSUED

PAGE OF PAGES

4. CONTRACT NUMBER

5.

REQUISITION/PURCHASE REQUEST NUMBER

6. PROJECT NUMBER

7. ISSUED BY

CODE

8. ADDRESS OFFER TO

a. NAME

b. TELEPHONE NUMBER (Include area code) (NO COLLECT CALLS)

10. THE GOVERNMENT REQUIRES PERFORMANCE OF THE WORK DESCRIBED IN THESE

DOCUMENTS (Title, identifying number, date) 12a. THE CONTRACTOR MUST FURNISH ANY REQUIRED PERFORMANCE AND PAYMENT BONDS?

(If "YES," indicate within how many calendar days after award in Item 12B.)

12b. CALENDAR DAYS

13. ADDITIONAL

SOLICITATION REQUIREMENTS:

STANDARD FORM 1442 (REV. 8/2014)

STANDARD FORM 1442

Prescribed by GSA-FAR (48 CFR) 52.236-1(d)

SOLICITATION, OFFER,

AND AWARD

(Construction, Alteration, or Repair)

SOLICITATION

SOLICITATION

IMPORTANT - The "offer" section on the reverse must be fully completed by offeror.

9. FOR INFORMATION

CALL:

NOTE: In sealed bid solicitations "offer" and "offeror" mean "bid" and "bidder".

SEALED BID (IFB)

NEGOTIATED (RFP)

1. The Contractor shall begin performance within ____________ calendar days and complete it within calendar days after receiving award, notice to proceed. This performance period is mandatory negotiable. (See

YES

NO

a.

Sealed offers in original and ___________________copies to perform the work required are due at the place specified in Item 8 by _____________ (hour) local time _____________________ (date). If this is a sealed bid solicitation, offers must be publicly opened at that time. Sealed envelopes containing offers shall be marked to show the offeror's name and address, the solicitation number, the date and time offers are due.

b.

An offer guarantee is, is not required.

c.

All offers are subject to the (1) work requirements, and (2) other provisions and clauses incorporated in the solicitation in full text or by reference.

d.

Offers providing less than ____ ___________________ calendar days for Government acceptance after the date offers are due will not be considered and will be rejected.

36C25922R0057 X 05-03-2022 436-23-106 36C259 Department of Veterans Affairs Network Contracting Office

NCO 19

6162 South Willow Drive, Suite 300 Greenwood Village CO 80111 Jared.Detton@va.gov

Jared Detton 303-283-53007

The contractor shall furnish all labor, equipment, materials, and supervision to correct and repair boilers located at 3687 Veterans Drive, Ft. Harrison, MT, 59636: 436-23-106 (Boiler Plant Repairs).

Project magnitude: between $500,000 and $1,000,000 The NAICS code is 236220 - Small Business size standard is $39.5 M

In accordance with P.L. 109-461, this acquisition is 100% set aside for Service Disabled Veteran Owned Small Businesses concerns. See VAAR 852.219-10, Notice of Total Service Disabled Veteran Owned Small Business Set-Aside of this solicitation for information in regard to requirements in order to be considered. Offerors must be both VISIBLE and VERIFIED by the Department of Veterans Affairs Center for Verifications Evaluation (CVE) prior to proposal receipt.

Failure to be both VERIFIED by CVE and VISIBLE on VetBiz prior to contract award will result in the offerors proposal being deemed non-compliant. All offerors are urged to contact the CVE and submit the aforementioned required documents to obtain CVE verification of their SDVOSB status if they have not already done so.

In accordance with FAR 52.204-7, System for Award Management (SAM), Prospective contractors shall be registered in the SAM datab ase prior to close of solicitation.

All questions in relation to this solicitation must be submitted in writing via e-mail to Jared.Detton@va.gov and received no later th an May 18th 2022 at 1:00 PM Mountain Time (MT).

A site visit will be held on May 12th 2022 at 9:00 A.M. MT. Please meet at Building 171 (i.e. Boiler Plant).

Instructions, Conditions, and Notices to Offerors. All submitted proposals must be received in email by the closing date and time. This solicitation closes June 2, 2022 at 2:00 P.M. MT.

Proposals shall be submitted via e-mail in accordance with Part I/Section B, to be considered for this project.

Proposals received in any other format will result in the offeror's proposal not receiving further consideration.

X X 52.211-10 X

2:00 PM

MDT

06-02-2022 X

14. NAME AND ADDRESS OF OFFEROR

15. TELEPHONE NUMBER

16. REMITTANCE ADDRESS

CODE

FACILITY CODE

17. The offeror agrees to perform the work required at the prices specified below in strict accordance with the terms of the solicitation, if this offer is accepted by the Government in writing within __________ calendar days after the date offers are due.

AMOUNTS

18. The offeror agrees to furnish any required performance and payment bonds.

19. ACKNOWLEDGMENT OF AMEN

DMENTS

AMENDMENT

NUMBER

DATE.

20a. NAME AND TITLE OF PERSON AUTHORIZED TO SIGN OFFER 20b. SIGNATURE 20c. OFFER DATE

21. ITEMS ACCEPTED:

22. AMOUNT

23. ACCOUNTING AND APPROPRIATION DATA

24. SUBMIT INVOICES TO ADDRESS SHOWN IN

ITEM

25. OTHER THAN FULL AND OPEN COMPETITION PURSUANT TO

10 U.S.C. 2304(c)( 41 U.S.C. 3304(a) (

26. ADMINISTERED BY

27. PAYMENT WILL BE MADE BY

PHONE:

FAX:

28. NEGOTIATED AGREEMENT

29. AWARD

Your Contractor agrees offer on this solicitation is hereby accepted as to the items listed. This to furnish and deliver all items or perform all work requirements identified award consummates the contract, which consists of (a) the Government on this form and any continuation sheets for the consideration stated in solicitation and your offer, and (b) this contract award. No further cont-this contract. The rights and obligations of the parties to this contract ractual document is necessary.

shall be governed by (a) this contract award, (b) the solicitation, and (c) the clauses, representations, certifications, and specifications incorporated by reference in or attached to this contract.

30a. NAME AND

TITLE OF CONTRACTOR OR PERSON AUTHORIZED

31a. NAME OF CONTRACTING OFFICER

TO SIGN

30b. SIGNATURE 30c. DATE 31b. UNITED STATES OF AMERICA 31c. AWARD DATE

BY

OFFER

AWARD

STANDARD FORM 1442 (REV. 8/2014) BACK

(Include ZIP Code) (Include area code) (Include only if different than Item 14.)

(Insert any number equal to or greater than the minimum requirement stated in Item 13d. Failure to insert any number means the offeror accepts the minimum in Item 13d.)

(The offeror acknowledges receipt of amendments to the solicitation -- give number and date of each) (Type or print) (4 copies unless otherwise specified) (Type or print) (Type or pr int) (Contractor is required to sign this document and return _______ copies to issuing office.)

(Contractor is not required to sign this document.)

(Must be fully completed by offeror) (To be completed by Government)

CONTRACTING OFFICER WILL COMPLETE ITEM 28 OR 29 AS APPLICABLE

36C259 Department of Veterans Affairs Network Contracting Office

NCO 19

6162 South Willow Drive, Suite 300 Greenwood Village CO 80111 Department of Veterans Affairs Financial Service Center PO Box 149971 Austin TX 78714-9971

Table of Contents

A.3 Bid Schedule

Bid Schedule The contractor shall furnish all labor, equipment, materials, and supervision necessary to perform the repairs and corrections to each boiler as detailed in the Statement of Work (SOW) for Fort Harrison Veterans Affairs Medical Center (VAMC) located at 3687 Veterans Drive, Ft. Harrison, MT 59636.

The contractor shall include prices for all items listed in the pricing schedule and include all costs associated for work in the SOW, whether or not specifically listed in the pricing schedule. Work will be accomplished at the Fort Harrison VAMC, 3687 Veterans Drive, Ft. Harrison, MT 59636.

Firm Fixed Price Lump Sum amount

0001 Base Pricing 1 Job $_____________

(SEE SOW FOR DETAILS)

Provide all work as described by attached Plans, specifications, and Wage Determinations For Veterans Administration project:

VA Project 436-23-106: Boiler Plant Repairs at the Ft. Harrison VAMC as described in the attached scope of work. Price includes all costs for construction.

Cost shall include but not be limited to direct and indirect costs including profit, overhead, general and administration, insurance, labor, bonds, taxes, necessary for 100% completion of the project as indicated in the attached SOW. The construction performance period is 365 days from receipt of notice to proceed.

Grand Total $_________________

A.4 Statement of Work Boiler Plant Repairs Ft. Harrison, MT Project Number: 436-23-106

1. Description of Services/Introduction: The contractor shall provide all personnel, equipment, supplies, transportation, tools, materials, supervision, and other items consisting of service parts necessary to perform the corrections to each boiler as detailed in this statement of work (SOW). All work shall be performed on existing seven boilers and ancillary equipment located in buildings 171, and 141. All seven boilers are manufactured by Superior with Fireye controls.

2. Background: This VA Medical Center relies on these seven boilers to supply steam for a multitude of processes that are critical to the operation of this facility. The need to properly maintain these boilers are critical for patient care services at this facility. These boilers are inspected annually by a 3rd party consultant. The Consultant provided report details on non-compliance from the Boiler Safety Device Testing Manual - 5th Edition.

3. Technical Specifications: The table below provides more detailed, and important technical specifications for all boilers.

4. Period of Performance: The period of performance for this project shall be 365 days from the Notice to Proceed (NTP).

5. Place of Performance:

Fort Harrison VAMC 3687 Veterans Drive Ft. Harrison, MT 59636

6. Scope: Correct all non-compliance/failures on seven boilers and ancillary equipment as described in 3rd party reports and in accordance with this Statement of Work (SOW). Each repair will then be required to be inspected/tested in accordance with VHA Boiler Safety Testing Manual.

· Building 171

· Low Pressure Boilers #1, #2, and #3.

· High Pressure Boilers #4 and #5.

· Boiler Plant Ancillary Equipment

· Deaerator Tank

· Condensate Tank

· Fuel Oil Pumps

· Metering Equipment

· Emergency Fuel Shutoff

· Dangerous Gas Monitoring

· Building 141

· Hot Water Boilers #1, #2

· Boiler Plant Ancillary Equipment

· Emergency Fuel Shutoff

· Fuel Oil Plants

· Dangerous Gas Monitoring

7. Technical Documents/VHA Policy: The following technical documents, manuals, and VHA policy directives must be adhered to achieve acceptable results. Applicable documents include the following:

· VA Master Construction Specification PG-18-1 Division 23 (i.e., view and access the VA Master Construction documents listed under this bullet point at https://www.cfm.va.gov/til/spec.asp#23)

· 23-09-11 Controls

· 23-52-39-Firetube boilers

· 23-52-35-Low pressure and Hot water boilers

· 23-50-11 Boiler Plant Mechanical Equipment

· Boiler Safety Device Testing Manual - 5th Edition

· VHA Steam Design Manual

· VHA Directive 1810(1) Boiler and Boiler Plant Operations.

· Boiler Plant Program Review Ft. Harrison MT March 16-18, 2021 (i.e., Please be advised this document is being provided as reference only, thus not all discrepancies in this audit report are part of the scope of this project, it is important to make that distinction and follow the statement of work).

8. Mandatory Tasks/Requirements: All services/work performed shall meet manufacturers performance and technical speciation’s, all applicable reference documentation listed in section 7, and in accordance with all information listed below:

8.1 Building 171 (Low Pressure Boilers #1, 2, and 3). The following tasks must be performed on Boilers 1, 2, and 3.

· Burner Management / Flame Safeguard System

· Provide and install Fireye YB-110UVSC (UV self-checking model) Burner Management System with YP100 programmer card.

· Program unit for adequate purge timing, 10 second ignitor timing / pilot trial for ignition time, and 10 sec main flame trial for ignition time.

· Provide and install YZ-300 expanded annunciator.

· Wire YZ-300 expanded annunciator to match the given Fireye factory wiring diagram so that all safeties annunciate properly. Program accurate annunciations for any auxiliary terminals used.

· Provide and install Fireye 45UV5 Self Checking Flame Scanner. Position Flame Scanner so that it does not detect the ignitor spark, and detects an adequate flame signal on both natural gas and #2 fuel oil operation throughout the firing rate.

· Main Natural Gas Train and Fuel System and Pilot Gas Train.

· Specify, provide, install a Natural Gas Pressure Regulator that meets VA performance specification given in VA master specification 23 52 39 Fire tube boilers. Regulator must have no more than 5% droop from the set pressure and a response so that pressure does not dip below 20% regulated pressure at start up.

· Provide and install Low Fuel Gas Pressure Cutoff Switch to meet VA Specification 23 09 11 and 23 52 39. Switch activation point should be in the middle of operational switch range. Plumb the Low Fuel Gas Pressure Switch upstream of the automatic shutoff valves and downstream of the pressure regulator. Plumb an Isolation ball valve modified to be Lockable Only in the OPEN Position and a test port as shown in the VHA Safety Device Testing Manual 5th Edition. Wire Low Fuel Gas Pressure Cutoff Switch into Fireye YB-110 terminals 3-P running interlock circuit and to proper terminals on YZ-300 Expanded Annunciator. Upon activation of the switch boiler must shutdown and lockout. The Fireye must Annunciate “Low Gas Pressure”. Set Low Fuel Gas Pressure Cutoff Switch to activate at 80% of regulated gas pressure.

· Provide and install High Fuel Gas Pressure Cutoff Switch to meet VA Specification 23 09 11 and 23 52 39. Switch activation point should be in the middle of operational switch range. Plumb the High Fuel Gas Pressure Switch upstream of the automatic shutoff valves and downstream of the pressure regulator. Plumb an Isolation ball valve modified to be Lockable Only in the OPEN Position and a test port as shown in the VHA Safety Device Testing Manual 5th Edition. (SDTM) Wire High Fuel Gas Pressure Cutoff Switch into Fireye YB-110 terminals 3-P running interlock circuit and to proper terminals on YZ-300 Expanded Annunciator. Upon activation of the switch the boiler must shutdown and lockout and Fireye must Annunciate “High Gas Pressure”. Set High Fuel Gas Pressure Cutoff Switch to activate at 120% of regulated gas pressure.

· Provide and Plumb Manual isolation ball valve downstream of the automatic vent valve on main natural gas train. Modify valve to be lockable only in the open position. Add test port upstream of isolation valve. Refer to figure on page 63 in the SDTM 5th Edition for the proper plumbing configuration.

· Provide materials and plumb pilot vent line between Automatic Pilot Shutoff Valves. Vent line must vent to roof. Provide and install Normally Open Automatic Vent Valve (ASCO Red Hat). Add manual isolation valve lockable only in the open position downstream of vent valve and add test port upstream of manual isolation valve. Add test port downstream of first automatic pilot shutoff valve and downstream of second automatic pilot shutoff valve. Refer to VHA Boiler and Plant Device Safety Device Testing Manual 5th Edition for proper pilot gas train plumbing configuration.

· Drill and Pin all possible gas valve linkage slip points from actuator to flow control valve /Cam.

· Specify, provide, and install Low Pilot Fuel Gas Pressure Cutoff Switch to meet VA master specification 23 09 11 and 23 52 39. Plumb Low Pilot Fuel Gas Pressure Cutoff Switch downstream of the pilot regulator and upstream of automatic pilot shutoff valves. Plumb isolation ball valve, modified to be lockable only in the open position, before the switch. Plumb test port downstream of Lockable only open isolation valve. Mount switch in an accessible location. Switch activation point must be in the middle of the switch operational range. Wire switch into Fireye YB-110 terminals 3-P running interlock circuit and to proper terminals on YZ-300 Expanded Annunciator. Upon activation the boiler must shutdown and lockout and Fireye must Annunciate “Low Pilot Gas Pressure”. Set Low Pilot Fuel Gas Pressure Cutoff Switch to activate at 80% of regulated pilot gas pressure.

· Boiler Air Train, Stack, and Fan

· Specify, provide, and install Combustion Air Pressure Switch (CAPS) to meet VA specification 23 09 11 and 23 52 39. Switch must be a differential pressure switch with switch activation point in the middle of the operational switch range. Plumb low-pressure line / tubing from the forced draft fan inlet downstream of any dampers to low pressure leg of Combustion Air Pressure switch. Provider should select a proper location so that adequate pressure signal can be obtained. Provide and install test port with valve in low pressure line leading to CAPS switch in an accessible location near the switch. Plumb high-pressure line / tubing from the forced draft fan outlet upstream of any damper to high pressure leg of Combustion Air Pressure switch. Contractor should select a proper location so that adequate pressure signal can be obtained. Provide and install test port with isolation ball valve modified to be lockable only open position in high pressure line leading to CAPS switch in an accessible location near the switch. Refer to VHA SDTM 5th Edition for proper plumbing diagram. Locate switch in an easily accessible location. Wire switch into Fireye 3-P running interlock and proper YZ-300 terminals. Upon activation of switch, boiler must shutdown and lock out. Annunciation must read “Low Combustion Air” or equivalent. Switch must be set to activate at 80% of minimum differential pressure sensed across the fan.

· Specify, provide, and install Purge Airflow Proving Switch (PAPS) to meet VA specification 23 09 11 and 23 52 39. Switch must be a differential pressure switch with switch activation point in the middle of the operational switch range. Plumb low-pressure line / tubing from boiler stack upstream of any dampers to low pressure leg of Purge Airflow Proving switch. Provider should select a proper location so that adequate pressure signal can be obtained. Provide and install test port with valve in low pressure line leading to PAPS switch in an accessible location near the switch. Provide drip leg for low pressure line. Plumb high-pressure line / tubing from the forced draft fan outlet downstream of any damper to high pressure leg of Purge Airflow Proving switch. Contractor should select a proper location so that adequate pressure signal can be obtained. Provide and install test port with isolation ball valve modified to be lockable only open position in high pressure line leading to PAPS switch in an accessible location near the switch. Refer to VHA SDTM 5th Edition for proper plumbing diagram. Locate switch in an easily accessible location. Wire switch into Fireye M-8 Purge proving circuit. Upon activation of switch purge count must start and when switch opens purge count must stop. Switch must be set to activate at 80% of maximum differential pressure sensed across the boiler.

· Specify, provide, and install clamp on, hinged current relays on each phase leg of the fan (total of 3). These current relays must be accessible for testing and not installed in a panel with high voltage exposure. Refer to page 78 of SDTM 5th Edition. Wire current relays in series with each other and to Fireye 3-P running interlock. Wire into proper YZ-300 annunciator terminals. Upon activation, boiler should shut down and lock out. Annunciation should read “FD current relays” or equivalent.

· Specify, provide, and install zirconium oxide in situ stack oxygen analyzer into boiler stack. Unit must be calibratable with test gas and include output relays for Low Oxygen level interlock. Plumb line for test and calibration / reference gas application to accessible location. Wire low oxygen cutout relay into Fireye 3-P running Interlock and YZ-300 annunciator. Upon activation of Low oxygen level interlock, boiler must shutdown and lockout. Annunciation must read “Low oxygen Interlock” or equivalent.

· Water Level Protection

· Specify, provide, and install low water alarm conductivity probe that meets requirements of VA specification 23 09 11 and 23 52 39. Conductivity probe must be wired to relay that upon low water condition triggers an audible alarm that can be heard throughout boiler plant and visual annunciation. Low water alarm should not shut down the boiler. The length of the conductivity probe must be so that the activation point of the alarm is sufficiently below normal water level as to not cause nuisance alarms but sufficiently above first low water cutout as to provide reasonable operator response time. Typically, this is approximately 1 inch or more below normal water level and at least 1 inch above first low water cutout.

· Wire current primary low water cutout conductivity probe device into Fireye 3-P running interlock and YZ-300 annunciator. Upon activation boiler must shutdown and lockout requiring manual reset. Annunciation should indicate “Primary Low Water Cutout” or equivalent. Provide and install momentary push button shunt “bypass” switch for Primary Low Water Cutout that only bypasses the primary low water cutout probe device. Primary Low water cutout must activate above Auxiliary low water cutout with visible water in the sight glass and visible separation between the cutouts. The preferred separation is 1 inch apart.

· Wire current auxiliary low water cutout float device into Fireye 3-P running interlock and YZ-300 annunciator. Upon activation boiler must shutdown and lockout requiring manual reset. Annunciation should indicate “Aux Low Water Cutout” or equivalent. Provide and install momentary push button shunt “bypass” switch for Aux Low Water Cutout that only bypasses the aux low water cutout probe device. Auxiliary low water cutout must activate with visible water in the sight glass and visible separation between the cutouts. The preferred separation is 1 inch apart. Plumb the Aux Low water cutout float device so that it activates above the low water cutout level mark on the side of the boiler.

· Specify, provide, and install high water alarm conductivity probe that meets requirements of VA specification 23 09 11 and 23 52 39. Conductivity probe must be wired to relay that upon high water condition triggers an audible alarm that can be heard throughout boiler plant and visual annunciation. High water alarm should not shut down the boiler. The length of the conductivity probe must be so that the activation point of the alarm is 1 inch or more below top of sight glass. Alarm must activate with burner switch in the OFF position.

· Steam Over Pressure Protection

· Wire current steam operational high limit switch into Fireye 3-P Running Interlock and YZ-300 annunciator. Upon activation the boiler must shut down and lockout requiring operator reset. Annunciation should show “High Steam Limit” or equivalent.

· Wire current steam Excess boiler pressure limit switch into Fireye 3-P Running Interlock and YZ-300 annunciator. Upon activation the boiler must shut down and lockout requiring operator reset. Annunciation should show “Excess Steam Limit” or equivalent.

· Specify, provide, and install Two ASME code steam safety relief valves that meet VA specification 23 53 39. Safety valve one setpoint must be 14 psig. Safety valve two setpoint must be 15 psig. Relief capacity of safety valve 1 should be approximately 70% of total boiler capacity. Relief capacity of safety valve two should be higher than SV1 capacity and sum total relief capacity of the two valves must exceed the total boiler steam generation capacity.

· Engineer, provide, and install individual steam relief vents for each safety valve that discharges steam outside through the building roof. Provide and install individual water drains for each valve.

· Fuel Oil Train

· Provide, and install pressure gages of the proper range in the fuel oil train. Install pressure gage upstream of the metering pump. Install pressure gage downstream of metering pump. Install pressure gage near burner inlet.

· Specify, provide, and install Low Fuel Oil Pressure Cutoff Switch downstream of the metering pump. Switch must be specified such that the desired activation point of the switch is in the middle of the switch operational range. Plumb switch leg with an Isolation valve in piping leg to the switch modified to be Lockable only in the OPEN position. Install test port with ball valve downstream of the isolation valve. Locate switch in easily accessible location. Wire switch into #2 fuel oil string of Fireye 3-P Running Interlock and YZ-300 annunciator. Upon switch activation the boiler must shutdown and lockout. Annunciation should read “Low Oil Pressure” or equivalent. The switch must be set to activate at 80% of oil pressure at the switch at low fire.

· Specify, provide, and install High Fuel Oil Pressure Cutoff Switch downstream of the metering pump. Switch must be specified such that the desired activation point of the switch is in the middle of the switch operational range. Plumb switch leg with an Isolation valve in piping leg to the switch modified to be Lockable only in the OPEN position. Install test port with ball valve downstream of the isolation valve. Locate switch in easily accessible location. Wire switch into #2 fuel oil string of Fireye 3-P Running Interlock and YZ-300 annunciator. Upon switch activation the boiler must shutdown and lockout. Annunciation should read “High Oil Pressure” or equivalent. The switch must be set to activate at 120% of oil pressure at the switch at high fire.

· Specify, provide, and install two automatic shutoff valves equipped with Proof of Closure switches. Both valves must be installed such that proof of closure switches are easily accessible for testing or Proof of closure wiring must be wired to an external terminal block. Proof of closure switches must be wired in series and must not allow boiler to start if switches are not satisfied. Wire proof of closure switches into Fireye 13-3 proof of closure circuit.

· Install test port downstream of first automatic shutoff valve in oil train. Install test port downstream of second automatic shutoff valve in oil train.

· Atomizing Media Train

· Specify, provide, and install Low Atomizing Media Switch near atomizing media burner inlet. Plumb switch with an isolation valve modified to be Lockable only in OPEN Position in switch pipe leg and a test port downstream of the isolation valve. Switch must be located in an accessible location and wired into the Fireye 3-P running Interlock and YZ-300 annunciator. Upon switch activation, boiler must shutdown and lock out. Annunciation must display “Low atomizing media” or equivalent. Switch must be set to activate at 80% of atomizing media pressure at purge.

· Specify, provide, and install second Low Atomizing Media Switch near atomizing media compressor. Plumb switch with an isolation valve modified to be Lockable only in OPEN Position in switch pipe leg and a test port downstream of the isolation valve. Switch must be located in an accessible location and wired into the Fireye 3-P running Interlock and YZ-300 annunciator. Upon switch activation, boiler must shutdown and lock out. Annunciation must display “Low atomizing media” or equivalent. Switch must be set to activate at 80% of atomizing media pressure at purge.

8.2 Building 171 (High Pressure Boilers #4 and #5). The following tasks must be performed on Boilers 4 and 5.

· Burner Management / Flame Safeguard System

· Provide and install Fireye YB-110UVSC (UV self-checking model) Burner Management System with YP100 programmer card.

· Program unit for adequate purge timing, 10 second ignitor timing / pilot trial for ignition time, and 10 sec main flame trial for ignition time.

· Provide and install YZ-300 expanded annunciator.

· Wire YZ-300 expanded annunciator to match the given Fireye factory wiring diagram so that all safeties annunciate properly. Program accurate annunciations for any auxiliary terminals used.

· Provide and install Fireye 45UV5 Self Checking Flame Scanner. Position Flame Scanner so that it does not detect the ignitor spark and detects an adequate flame signal on both natural gas and #2 fuel oil operation throughout the firing rate.

· Main Natural Gas Train and Fuel System and Pilot Gas Train.

· Specify, provide, install a Natural Gas Pressure Regulator that meets VA performance specification given in VA master specification 23 52 39 Fire tube boilers. Regulator must have no more than 5% droop from the set pressure and a response so that pressure does not dip below 20% regulated pressure at start up.

· Provide and install Low Fuel Gas Pressure Cutoff Switch to meet VA Specification 23 09 11 and 23 52 39. Switch activation point should be in the middle of operational switch range. Plumb the Low Fuel Gas Pressure Switch upstream of the automatic shutoff valves and downstream of the pressure regulator. Plumb an Isolation ball valve modified to be Lockable Only in the OPEN Position and a test port as shown in the VHA Safety Device Testing Manual 5th Edition. Wire Low Fuel Gas Pressure Cutoff Switch into Fireye YB-110 terminals 3-P running interlock circuit and to proper terminals on YZ-300 Expanded Annunciator. Upon activation of the switch boiler must shutdown and lockout. The Fireye must Annunciate “Low Gas Pressure”. Set Low Fuel Gas Pressure Cutoff Switch to activate at 80% of regulated gas pressure.

· Provide and install High Fuel Gas Pressure Cutoff Switch to meet VA Specification 23 09 11 and 23 52 39. Switch activation point should be in the middle of operational switch range. Plumb the High Fuel Gas Pressure Switch upstream of the automatic shutoff valves and downstream of the pressure regulator. Plumb an Isolation ball valve modified to be Lockable Only in the OPEN Position and a test port as shown in the VHA Safety Device Testing Manual 5th Edition. (SDTM) Wire High Fuel Gas Pressure Cutoff Switch into Fireye YB-110 terminals 3-P running interlock circuit and to proper terminals on YZ-300 Expanded Annunciator. Upon activation of the switch the boiler must shutdown and lockout and Fireye must Annunciate “High Gas Pressure”. Set High Fuel Gas Pressure Cutoff Switch to activate at 120% of regulated gas pressure.

· Provide and Plumb Manual isolation ball valve downstream of the automatic vent valve on main natural gas train. Modify valve to be lockable only in the open position. Add test port upstream of isolation valve. Refer to figure on page 63 in the SDTM 5th Edition for the proper plumbing configuration.

· Provide materials and plumb pilot vent line between Automatic Pilot Shutoff Valves. Vent line must vent to roof. Provide and install Normally Open Automatic Vent Valve (ASCO Red Hat). Add manual isolation valve lockable only in the open position downstream of vent valve and add test port upstream of manual isolation valve. Add test port downstream of first automatic pilot shutoff valve and downstream of second automatic pilot shutoff valve. Refer to VHA Boiler and Plant Device Safety Device Testing Manual 5th Edition for proper pilot gas train plumbing configuration.

· Drill and Pin all possible gas valve linkage slip points from actuator to flow control valve /Cam.

· Specify, provide, and install Low Pilot Fuel Gas Pressure Cutoff Switch to meet VA master specification 23 09 11 and 23 52 39. Plumb Low Pilot Fuel Gas Pressure Cutoff Switch downstream of the pilot regulator and upstream of automatic pilot shutoff valves. Plumb isolation ball valve, modified to be lockable only in the open position, before the switch. Plumb test port downstream of Lockable only open isolation valve. Mount switch in an accessible location. Switch activation point must be in the middle of the switch operational range. Wire switch into Fireye YB-110 terminals 3-P running interlock circuit and to proper terminals on YZ-300 Expanded Annunciator. Upon activation the boiler must shutdown and lockout and Fireye must Annunciate “Low Pilot Gas Pressure”. Set Low Pilot Fuel Gas Pressure Cutoff Switch to activate at 80% of regulated pilot gas pressure.

· Boiler Air Train, Stack, and Fan

· Specify, provide, and install Combustion Air Pressure Switch (CAPS) to meet VA specification 23 09 11 and 23 52 39. Switch must be a differential pressure switch with switch activation point in the middle of the operational switch range. Plumb low pressure line / tubing from the forced draft fan inlet downstream of any dampers to low pressure leg of Combustion Air Pressure switch. Provider should select a proper location so that adequate pressure signal can be obtained. Provide and install test port with valve in low pressure line leading to CAPS switch in an accessible location near the switch. Plumb high pressure line / tubing from the forced draft fan outlet upstream of any damper to high pressure leg of Combustion Air Pressure switch. Contractor should select a proper location so that adequate pressure signal can be obtained. Provide and install test port with isolation ball valve modified to be lockable only open position in high pressure line leading to CAPS switch in an accessible location near the switch. Refer to VHA SDTM 5th Edition for proper plumbing diagram. Locate switch in an easily accessible location. Wire switch into Fireye 3-P running interlock and proper YZ-300 terminals. Upon activation of switch, boiler must shutdown and lock out. Annunciation must read “Low Combustion Air” or equivalent. Switch must be set to activate at 80% of minimum differential pressure sensed across the fan.

· Specify, provide, and install Purge Airflow Proving Switch (PAPS) to meet VA specification 23 09 11 and 23 52 39. Switch must be a differential pressure switch with switch activation point in the middle of the operational switch range. Plumb low pressure line / tubing from boiler stack upstream of any dampers to low pressure leg of Purge Airflow Proving switch. Provider should select a proper location so that adequate pressure signal can be obtained. Provide and install test port with valve in low pressure line leading to PAPS switch in an accessible location near the switch. Provide drip leg for low pressure line. Plumb high-pressure line / tubing from the forced draft fan outlet downstream of any damper to high pressure leg of Purge Airflow Proving switch. Contractor should select a proper location so that adequate pressure signal can be obtained. Provide and install test port with isolation ball valve modified to be lockable only open position in high pressure line leading to PAPS switch in an accessible location near the switch. Refer to VHA SDTM 5th Edition for proper plumbing diagram. Locate switch in an easily accessible location. Wire switch into Fireye M-8 Purge proving circuit. Upon activation of switch purge count must start and when switch opens purge count must stop. Switch must be set to activate at 80% of maximum differential pressure sensed across the boiler.

· Specify, provide, and install clamp on, hinged current relays on each phase leg of the fan (total of 3). These current relays must be accessible for testing and not installed in a panel with high voltage exposure. Refer to page 78 of SDTM 5th Edition. Wire current relays in series with each other and to Fireye 3-P running interlock. Wire into proper YZ-300 annunciator terminals. Upon activation, boiler should shut down and lock out. Annunciation should read “FD current relays” or equivalent.

· Specify, provide, and install zirconium oxide in situ stack oxygen analyzer into boiler stack. Unit must be calibratable with test gas and include output relays for Low Oxygen level interlock. Plumb line for test and calibration / reference gas application to accessible location. Wire low oxygen cutout relay into Fireye 3-P running Interlock and YZ-300 annunciator. Upon activation of Low oxygen level interlock, boiler must shutdown and lockout. Annunciation must read “Low oxygen Interlock” or equivalent.

· Water Level Protection

· Specify, provide, and install low water alarm conductivity probe that meets requirements of VA specification 23 09 11 and 23 52 39. Conductivity probe must be wired to relay that upon low water condition triggers an audible alarm that can be heard throughout boiler plant and visual annunciation. Low water alarm should not shut down the boiler. The length of the conductivity probe must be so that the activation point of the alarm is sufficiently below normal water level as to not cause nuisance alarms but sufficiently above first low water cutout as to provide reasonable operator response time. Typically, this is approximately 1 inch or more below normal water level and at least 1 inch above first low water cutout.

· Wire current primary low water cutout conductivity probe device into Fireye 3-P running interlock and YZ-300 annunciator. Upon activation boiler must shutdown and lockout requiring manual reset. Annunciation should indicate “Primary Low Water Cutout” or equivalent. Provide and install momentary push button shunt “bypass” switch for Primary Low Water Cutout that only bypasses the primary low water cutout probe device. Primary Low water cutout must activate above Auxiliary low water cutout with visible water in the sight glass and visible separation between the cutouts. The preferred separation is 1 inch apart.

· Wire current auxiliary low water cutout float device into Fireye 3-P running interlock and YZ-300 annunciator. Upon activation boiler must shutdown and lockout requiring manual reset. Annunciation should indicate “Aux Low Water Cutout” or equivalent. Provide and install momentary push button shunt “bypass” switch for Aux Low Water Cutout that only bypasses the aux low water cutout probe device. Auxiliary low water cutout must activate with visible water in the sight glass and visible separation between the cutouts. The preferred separation is 1 inch apart. Plumb the Aux Low water cutout float device so that it activates above the low water cutout level mark on the side of the boiler.

· Specify, provide, and install high water alarm conductivity probe that meets requirements of VA specification 23 09 11 and 23 52 39. Conductivity probe must be wired to relay that upon high water condition triggers an audible alarm that can be heard throughout boiler plant and visual annunciation. High water alarm should not shut down the boiler. The length of the conductivity probe must be so that the activation point of the alarm is 1 inch or more below top of sight glass. Alarm must activate with burner switch in the OFF position.

· Steam Over Pressure Protection

· Wire current steam operational high limit switch into Fireye 3-P Running Interlock and YZ-300 annunciator. Upon activation the boiler must shut down and lockout requiring operator reset. Annunciation should show “High Steam Limit” or equivalent.

· Wire current steam Excess boiler pressure limit switch into Fireye 3-P Running Interlock and YZ-300 annunciator. Upon activation the boiler must shut down and lockout requiring operator reset. Annunciation should show “Excess Steam Limit” or equivalent.

· Specify, provide, and install Two ASME code steam safety relief valves that meet VA specification 23 53 39. Safety valve one setpoint must be 125 psig. Safety valve two setpoint must be 130 psig. Relief capacity of safety valve 1 should be approximately 70% of total boiler capacity. Relief capacity of safety valve two should be higher than SV1 capacity and sum total relief capacity of the two valves must exceed the total boiler steam generation capacity.

· Engineer, provide, and install individual steam relief vents for each safety valve that discharges steam outside through the building roof. Provide and install individual water drains for each valve.

· Fuel Oil Train

· Provide, and install pressure gages of the proper range in the fuel oil train. Install pressure gage upstream of the metering pump. Install pressure gage downstream of metering pump. Install pressure gage near burner inlet.

· Specify, provide, and install Low Fuel Oil Pressure Cutoff Switch downstream of the metering pump. Switch must be specified such that the desired activation point of the switch is in the middle of the switch operational range. Plumb switch leg with an Isolation valve in piping leg to the switch modified to be Lockable only in the OPEN position. Install test port with ball valve downstream of the isolation valve. Locate switch in easily accessible location. Wire switch into #2 fuel oil string of Fireye 3-P Running Interlock and YZ-300 annunciator. Upon switch activation the boiler must shutdown and lockout. Annunciation should read “Low Oil Pressure” or equivalent. The switch must be set to activate at 80% of oil pressure at the switch at low fire.

· Specify, provide, and install High Fuel Oil Pressure Cutoff Switch downstream of the metering pump. Switch must be specified such that the desired activation point of the switch is in the middle of the switch operational range. Plumb switch leg with an Isolation valve in piping leg to the switch modified to be Lockable only in the OPEN position. Install test port with ball valve downstream of the isolation valve. Locate switch in easily accessible location. Wire switch into #2 fuel oil string of Fireye 3-P Running Interlock and YZ-300 annunciator. Upon switch activation the boiler must shutdown and lockout. Annunciation should read “High Oil Pressure” or equivalent. The switch must be set to activate at 120% of oil pressure at the switch at high fire.

· Specify, provide, and install two automatic shutoff valves equipped with Proof of Closure switches. Both valves must be installed such that proof of closure switches are easily accessible for testing or Proof of closure wiring must be wired to an external terminal block. Proof of closure switches must be wired in series and must not allow boiler to start if switches are not satisfied. Wire proof of closure switches into Fireye 13-3 proof of closure circuit.

· Install test port downstream of first automatic shutoff valve in oil train. Install test port downstream of second automatic shutoff valve in oil train.

· Atomizing Media Train

· Specify, provide, and install Low Atomizing Media Switch near atomizing media burner inlet. Plumb switch with an isolation valve modified to be Lockable only in OPEN Position in switch pipe leg and a test port downstream of the isolation valve. Switch must be located in an accessible location and wired into the Fireye 3-P running Interlock and YZ-300 annunciator. Upon switch activation, boiler must shutdown and lock out. Annunciation must display “Low atomizing media” or equivalent. Switch must be set to activate at 80% of atomizing media pressure at purge.

· Specify, provide, and install second Low Atomizing Media Switch near atomizing media compressor. Plumb switch with an isolation valve modified to be Lockable only in OPEN Position in switch pipe leg and a test port downstream of the isolation valve. Switch must be located in an accessible location and wired into the Fireye 3-P running Interlock and YZ-300 annunciator. Upon switch activation, boiler must shutdown and lock out. Annunciation must display “Low atomizing media” or equivalent. Switch must be set to activate at 80% of atomizing media pressure at purge.

8.3 Boiler Plant Ancillary Equipment

· Condensate Tank

· Specify, provide, and install water level control system for condensate tank. System must be fitted with electronic automatically controlled valve to supply soft make up water to the condensate tank. System should maintain water level between 1/3 and 2/3 of tank height.

· Specify, provide, and install water column with conductivity probes and subsequent relays to trigger low water alarm and high water alarm. Both alarms should be audible throughout plant and provide visual annunciation. Low water alarm should be positioned to trigger alarm at 1/3 of tank height. High Water alarm should be positioned to trigger alarm at 2/3 of tank height. Both high water and low water alarm systems should be completely independent of each other and water level control system.

· Provide and install Condensate tank bypass line to feed condensate return from hospital directly to condensate transfer pumps.

· Deaerator Tank

· Specify, provide, and install water level control system for DA tank. System must be fitted with electronic automatically controlled valve to supply make up water from the condensate tank. System should maintain water level between 1/3 and 2/3 of tank height. A secondary automatic electronic soft water makeup control valve should also be specified, provided, and installed.

· Specify, provide, and install water column with conductivity probes and subsequent relays to trigger low water alarm and high water alarm. Both alarms should be audible throughout plant and provide visual annunciation. Low water alarm should be positioned to trigger alarm at 1/3 of tank height. High Water alarm should be positioned to trigger alarm at 2/3 of tank height. Both high water and low water alarm systems should be completely independent of each other and water level control system.

· Specify, provide, and install electronic automatically controlled overflow water dump valve to replace current float type device. The overflow/dump valve must be triggered to open by a conductivity probe device and relay. Overflow open point should be setup to trigger the opening of the dump valve 4 inches above the high-water alarm point and at least 4 inches below the top of the storage section of the tank.

· Provide labor and materials to replumb vent on DA tank mounted steam safety relief valve outside through roof. Ensure adequate vent sizing.

· Provide labor and materials to replumb DA steam supply to the upper tray section of the DA tank. Install manual isolation valve in steam line just before entry into tank. Specify, Provide and Install pressure reducing station to serve the DA tank. Pressure reducing station should provide steam to the DA tank at pressure of 5-7 psig. Provide steam safety relief valve downstream of the PRV serving DA tank. Safety valve setpoint must be 15 psig and safety valve capacity must be adequate to relieve the full possible steam flow through either the PRV station or the PRV station bypass which ever is larger. Bypass should be sized so match wide open flow of PRV station. Tune DA dissolved gas vent for proper operation.

· Provide and install DA bypass line to feed condensate from condensate tank directly to Boiler Feed pumps.

· Fuel Oil Pump Set

· Convert current fuel oil delivery system to…