Attachment 3_23 05 10.pdf

04-01-20

23 05 10 - 1

SECTION 23 05 10

COMMON WORK RESULTS FOR BOILER PLANT AND STEAM GENERATION

PART 1 - GENERAL

1.1 DESCRIPTION

A. The requirements of this Section apply to all sections of Division 23 related to boiler plant and steam generation.

B. Definitions:

1. Exposed: Piping, ductwork, and equipment exposed to view in finished rooms.

2. Exterior: Piping, ductwork, and equipment exposed to weather be it temperature, humidity, precipitation, wind, or solar radiation.

C. Abbreviations/Acronyms:

1. ac: Alternating Current

2. ACR: Air Conditioning and Refrigeration

3. AI: Analog Input

4. AISI: American Iron and Steel Institute

5. AO: Analog Output

6. ASJ: All Service Jacket

7. AWG: American Wire Gauge

8. BACnet: Building Automation and Control Networking Protocol

9. BAg: Silver-Copper-Zinc Brazing Alloy

10. BAS: Building Automation System

11. BCuP: Silver-Copper-Phosphorus Brazing Alloy

12. bhp: Brake Horsepower

13. Btu: British Thermal Unit

14. Btu/h: British Thermal Unit Per Hour

15. CDA: Copper Development Association

16. C: Celsius

17. CD: Compact Disk

18. CFM: Cubic Foot Per Minute

19. CH: Chilled Water Supply

20. CHR: Chilled Water Return

21. CLR: Color

22. CO: Carbon Monoxide

23. COR: Contracting Officer’s Representative

24. CPD: Condensate Pump Discharge

25. CPM: Cycles Per Minute

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26. CPVC: Chlorinated Polyvinyl Chloride

27. CRS: Corrosion Resistant Steel

28. CTPD: Condensate Transfer Pump Discharge

29. CTPS: Condensate Transfer Pump Suction

30. CW: Cold Water

31. CWP: Cold Working Pressure

32. CxA: Commissioning Agent

33. dB: Decibels

34. dB(A): Decibels (A weighted)

35. DDC: Direct Digital Control

36. DI: Digital Input

37. DO: Digital Output

38. DVD: Digital Video Disc

39. DN: Diameter Nominal

40. DWV: Drainage, Waste and Vent

41. EPDM: Ethylene Propylene Diene Monomer

42. EPT: Ethylene Propylene Terpolymer

43. ETO: Ethylene Oxide

44. F: Fahrenheit

45. FAR: Federal Acquisition Regulations

46. FD: Floor Drain

47. FED: Federal

48. FG: Fiberglass

49. FGR: Flue Gas Recirculation

50. FOS: Fuel Oil Supply

51. FOR: Fuel Oil Return

52. FSK: Foil-Scrim-Kraft facing

53. FWPD: Feedwater Pump Discharge

54. FWPS: Feedwater Pump Suction

55. GC: Chilled Glycol Water Supply

56. GCR: Chilled Glycol Water Return

57. GH: Hot Glycol Water Heating Supply

58. GHR: Hot Glycol Water Heating Return

59. gpm: Gallons Per Minute

60. HDPE: High Density Polyethylene

61. Hg: Mercury

62. HOA: Hands-Off-Automatic

63. hp: Horsepower

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64. HPS: High Pressure Steam (equal to/greater than 414 kPa (60 psig))

65. HPR: High Pressure Steam Condensate Return

66. HW: Hot Water

67. HWH: Hot Water Heating Supply

68. HWHR: Hot Water Heating Return

69. Hz: Hertz

70. ID: Inside Diameter

71. IPS: Iron Pipe Size

72. kg: Kilogram

73. klb: 1000 lb

74. kPa: Kilopascal

75. lb: Pound

76. lb/hr: Pounds Per Hour

77. L/s: Liters Per Second

78. L/min: Liters Per Minute

79. LPS: Low Pressure Steam (equal to/less than 103 kPa (15 psig))

80. LPR: Low Pressure Steam Condensate Gravity Return

81. MAWP: Maximum Allowable Working Pressure

82. MAX: Maximum

83. MBtu/h: 1000 Btu/h

84. MBtu: 1000 Btu

85. MED: Medical

86. m: Meter

87. MFG: Manufacturer

88. mg: Milligram

89. mg/L: Milligrams Per Liter

90. MIN: Minimum

91. MJ: Megajoules

92. ml: Milliliter

93. mm: Millimeter

94. MPS: Medium Pressure Steam (110-414 kPa [16-60 psig])

95. MPR: Medium Pressure Steam Condensate Return

96. MW: Megawatt

97. NC: Normally Closed

98. NF: Oil Free Dry (Nitrogen)

99. Nm: Newton Meter

100. NO: Normally Open

101. NOx: Nitrous Oxide

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102. NPT: National Pipe Thread

103. NPS: Nominal Pipe Size

104. OD: Outside Diameter

105. OSD: Open Sight Drain

106. OS&Y: Outside Stem and Yoke

107. PC: Pumped Condensate

108. PID: Proportional-Integral-Differential

109. PLC: Programmable Logic Controllers

110. PP: Polypropylene

111. PPE: Personal Protection Equipment

112. ppb: Parts Per Billion

113. ppm: Parts Per Million

114. PRV: Pressure Reducing Valve

115. PSIA: Pounds Per Square Inch Absolute

116. psig: Pounds Per Square Inch Gauge

117. PTFE: Polytetrafluoroethylene

118. PVC: Polyvinyl Chloride

119. PVDC: Polyvinylidene Chloride Vapor Retarder Jacketing, White

120. PVDF: Polyvinylidene Fluoride

121. rad: Radians

122. RH: Relative Humidity

123. RO: Reverse Osmosis

124. rms: Root Mean Square

125. RPM: Revolutions Per Minute

126. RS: Refrigerant Suction

127. RTD: Resistance Temperature Detectors

128. RTRF: Reinforced Thermosetting Resin Fittings

129. RTRP: Reinforced Thermosetting Resin Pipe

130. SCFM: Standard Cubic Feet Per Minute

131. SPEC: Specification

132. SPS: Sterile Processing Services

133. STD: Standard

134. SDR: Standard Dimension Ratio

135. SUS: Saybolt Universal Second

136. SW: Soft water

137. SWP: Steam Working Pressure

138. TAB: Testing, Adjusting, and Balancing

139. TDH: Total Dynamic Head

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140. TEFC: Totally Enclosed Fan-Cooled

141. TFE: Tetrafluoroethylene

142. THERM: 100,000 Btu

143. THHN: Thermoplastic High-Heat Resistant Nylon Coated Wire

144. THWN: Thermoplastic Heat & Water-Resistant Nylon Coated Wire

145. T/P: Temperature and Pressure

146. USDA: U.S. Department of Agriculture

147. V: Volt

148. VAC: Vacuum

149. VA: Veterans Administration

150. VAC: Voltage in Alternating Current

151. VA CFM: VA Construction & Facilities Management

152. VA CFM CSS: Consulting Support Service

153. VAMC: Veterans Administration Medical Center

154. VHA OCAMES: Veterans Health Administration – Office of Capital

Asset Management Engineering and Support

155. VR: Vacuum condensate return

156. WCB: Wrought Carbon Steel, Grade B

157. WG: Water Gauge or Water Column

158. WOG: Water, Oil, Gas

1.2 RELATED WORK

A. Section 01 00 00, GENERAL REQUIREMENTS.

B. Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

C. Section 01 74 19, CONSTRUCTION WASTE MANAGEMENT

D. Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS.

E. Section 01 91 00, GENERAL COMMISSIONING REQUIREMENTS.

F. Section 02 82 11, TRADITIONAL ASBESTOS ABATEMENT.

G. Section 03 30 00, CAST-IN-PLACE CONCRETE.

H. Section 05 31 00, STEEL DECKING.

I. Section 05 36 00, COMPOSITE METAL DECKING.

J. Section 05 50 00, METAL FABRICATIONS.

K. Section 07 60 00, FLASHING AND SHEET METAL.

L. Section 07 84 00, FIRESTOPPING.

M. Section 07 92 00, JOINT SEALANTS.

N. Section 09 91 00, PAINTING.

O. Section 13 05 41, SEISMIC RESTRAINT REQUIREMENTS FOR NON-STRUCTURAL

COMPONENTS.

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P. Section 23 05 12, GENERAL MOTOR REQUIREMENTS FOR HVAC AND STEAM

GENERATION EQUIPMENT.

Q. Section 23 05 41, NOISE AND VIBRATION CONTROL FOR HVAC PIPING AND

EQUIPMENT.

R. Section 23 05 51, NOISE AND VIBRATION CONTROL FOR BOILER PLANT.

S. Section 23 05 93, TESTING, ADJUSTING, AND BALANCING FOR HVAC.

T. Section 23 07 11, HVAC AND BOILER PLANT INSULATION.

U. Section 23 08 00, COMMISSIONING OF HVAC SYSTEMS.

V. Section 23 08 11, DEMONSTRATIONS AND TESTS FOR BOILER PLANT.

W. Section 23 09 11, INSTRUMENTATION AND CONTROL FOR BOILER PLANT.

X. Section 23 21 11, BOILER PLANT PIPING SYSTEMS.

Y. Section 23 50 11, BOILER PLANT MECHANICAL EQUIPMENT.

Z. Section 23 52 25, LOW-PRESSURE WATER HEATING BOILERS.

AA. Section 23 52 28, LOW-PRESSURE STEAM BOILERS.

BB. Section 23 52 33, WATER-TUBE BOILERS.

CC. Section 23 52 39, FIRE-TUBE BOILERS.

DD. Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS.

EE. Section 26 05 19, LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES.

FF. Section 26 29 11, MOTOR CONTROLLERS.

GG. Section 33 63 00, STEAM ENERGY DISTRIBUTION.

1.3 APPLICABLE PUBLICATIONS

A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only. Where conflicts occur these specifications and the VHA standard will govern.

B. Air Movement and Control Association (AMCA):

410-....................Recommended Safety Practices for Users and

Installers of Industrial and Commercial Fans

C. American Society of Mechanical Engineers (ASME):

B31.1-2014..............Power Piping

B31.9-2014..............Building Services Piping

ASME Boiler and Pressure Vessel Code:

BPVC Sec I-2019.........Rules for Construction of Power Boilers

BPVC Sec IX-2019........Welding, Brazing, and Fusing Qualifications

D. American Society for Testing and Materials (ASTM):

A36/A36M-2017...........Standard Specification for Carbon Structural

Steel

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A575-2018...............Standard Specification for Steel Bars, Carbon, Merchant Quality, M-Grades

E. Association for Rubber Products Manufacturers (ARPM):

IP-20-2015..............Specifications for Drives Using Classical

V-Belts and Sheaves

IP-21-2016..............Specifications for Drives Using Double-V

(Hexagonal) Belts

F. International Code Council, (ICC):

IMC-2018................International Mechanical Code

G. Manufacturers Standardization Society (MSS) of the Valve and Fittings

Industry, Inc.:

SP-58-2018..............Pipe Hangers and Supports-Materials, Design, Manufacture, Selection, Application, and

Installation

SP-127-2014a............Bracing for Piping Systems: Seismic–Wind–

Dynamic Design, Selection, and Application

H. Military Specifications (MIL):

MIL-P-21035B-2003.......Paint High Zinc Dust Content, Galvanizing

Repair (Metric)

I. National Fire Protection Association (NFPA):

31-2019.................Standard for Installation of Oil-Burning

Equipment

54-2018.................National Fuel Gas Code

70-2017.................National Electrical Code (NEC)

85-2019.................Boiler and Combustion Systems Hazards Code

101-2018................Life Safety Code

J. Department of Veterans Affairs (VA):

........................VHA Boiler Plant Safety Devices Testing Manual, Third Edition

PG-18-10-2016...........Steam, Heating Hot Water, and Outside

Distribution Systems Design Manual

PG-18-10-2011...........Asbestos Abatement Design Manual

PG-18-10-2014...........Sustainable Design Manual

PG-18-10-2016...........Physical Security and Resiliency Design Manual

1.4 SUBMITTALS

A. Submittals, including number of required copies, shall be submitted in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND

SAMPLES.

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B. Information and material submitted under this section shall be marked

“SUBMITTED UNDER SECTION 23 05 10, COMMON WORK RESULTS FOR BOILER PLANT

AND STEAM GENERATION”, with applicable paragraph identification.

C. All submittals in these sections are for equipment and materials that are interdependent parts of the entire systems; therefore, they shall all be submitted at the same time and complete including coordination/shop drawings, installation instructions, structural support, and structural piping calculations so that they may be reviewed as a system. The submittals for each Section shall be covered by one individual transmittal signed by the prime Contractor and containing a statement that the Contractor has fully reviewed all documents. Deviations from the contract documents, if any, shall be listed on the transmittal.

D. If the project is phased submit complete phasing plan/schedule with manpower levels prior to commencing work. The phasing plan shall be detailed enough to provide milestones in the process that can be verified.

E. Test Plans: Submit safety test plan for temporary steam plant with temporary steam plant submittals. Submit all other test plans for plant and equipment 45 days prior to start of testing to allow for test modifications prior to start.

F. Contractor shall make all necessary field measurements and investigations to assure that the equipment and assemblies will meet contract requirements, and all equipment that requires regular maintenance, calibration, etc, are accessible from the floor or permanent work platform. It is the Contractor’s responsibility to ensure all submittals meet the VA specifications and requirements and it is assumed by the VA that all submittals do meet the VA specifications unless the Contractor has requested a variance in writing and approved by COR prior to the submittal. If at any time during the project it is found that any item does not meet the VA specifications and there was no variance approval the Contractor shall correct at no additional cost or time to the Government even if a submittal was approved.

G. If equipment is submitted which differs in arrangement from that shown, provide documentation proving equivalent performance, design standards and drawings that show the rearrangement of all associated systems.

Additionally, any impacts on ancillary equipment or services such as

23 05 10 - 9 foundations, piping, and electrical shall be the Contractor’s responsibility to design, supply, and install at no additional cost or time to the Government. VA approval will be given only if all features of the equipment and associated systems, including accessibility, are equivalent to that required by the contract.

H. Prior to submitting shop drawings for approval, Contractor shall certify in writing that manufacturers of all major items of equipment have each reviewed contract documents, and have jointly coordinated and properly integrated their equipment and controls to provide a complete and efficient installation.

I. Submittals and shop drawings for interdependent items, containing applicable descriptive information, shall be furnished together.

Coordinate and properly integrate materials and equipment to provide a completely compatible and efficient installation.

J. Samples: Samples will not be required, except for insulation or where materials offered differ from specification requirements. Samples shall be accompanied by full description of characteristics different from specification. The Government, at the Government’s expense, will perform evaluation and testing if necessary. The Contractor may submit samples of additional material at the Contractor's option; however, if additional samples of materials are submitted later, pursuant to

Government request, adjustment in contract price and time will be made.

K. Mock-ups: Mock-ups are required for critical items and typical component installations replicated numerous times throughout the project as indicated in the individual Division 23 sections. The COR and VAMC representatives shall review and approve the mock-up prior to installation of additional applicable components.

L. Coordination/Shop Drawings:

1. Submit complete consolidated and coordinated shop drawings for all new systems, and for existing systems that are in the same areas.

2. The coordination/shop drawings shall include plan views, elevations and sections of all systems and shall be on a scale of not less than

1:32 (3/8-inch equal to one foot). Clearly identify and dimension the proposed locations of the principal items of equipment. The drawings shall clearly show locations and adequate clearance for all equipment, piping, valves, control panels and other items. Show the access means for all items requiring access for operations and maintenance. Provide detailed coordination/shop drawings of all

23 05 10 - 10 piping and duct systems. The drawings should include all lockout/tagout points for all energy/hazard sources for each piece of equipment. Coordinate lockout/tagout procedures and practices with local VA requirements.

3. Do not install equipment foundations, equipment or piping until coordination/shop drawings have been approved.

4. In addition, for HVAC systems, provide details of the following:

a. Mechanical equipment rooms.

b. Hangers, inserts, supports, and bracing.

c. Pipe sleeves.

d. Duct or equipment penetrations of floors, walls, ceilings, or roofs.

M. Manufacturer's Literature and Data: Include full item description and optional features and accessories. Include dimensions, weights, materials, applications, standard compliance, model numbers, size, and capacity. Submit under the pertinent section rather than under this section.

1. Submit belt drive with the driven equipment. Submit selection data for specific drives when requested by the COR.

2. Submit electric motor data and variable speed drive data with the driven equipment.

3. Equipment and materials identification.

4. Fire-stopping materials.

5. Hangers, inserts, supports and bracing. Provide complete stress analysis for variable spring and constant support hangers. For boiler plants, refer to Section 23 21 11, BOILER PLANT PIPING

SYSTEMS, for additional requirements.

6. Wall, floor, and ceiling plates.

N. Rigging Plan: Provide documentation of the capacity and weight of the rigging and equipment intended to be used. The rigging plan shall include the path of travel of the load, the staging area and intended access, and qualifications of the operator and signal person.

O. Maintenance Data and Operating Instructions:

1. Maintenance and operating manuals in accordance with Section 01 00

00, GENERAL REQUIREMENTS, paragraph, INSTRUCTIONS, for systems and equipment.

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2. Complete operating and maintenance manuals including wiring diagrams, technical data sheets, information for ordering replacement parts, and troubleshooting guide:

a. Include complete list indicating all components of the systems.

b. Include complete diagrams of the internal wiring for each item of equipment.

c. Diagrams shall have their terminals identified to facilitate installation, operation and maintenance.

3. Provide a listing of recommended replacement parts for keeping in stock supply, including sources of supply, for equipment. Include in the listing belts for equipment: Belt manufacturer, model number, size and style, and distinguished whether of multiple belt sets.

P. Boiler Plant Maintenance Data and Operating Instructions:

1. Provide 4 bound copies or 2 electronic versions on CD DVD.

Deliver to COR not less than 30 days prior to completion of a phase or final inspection.

2. Include all new and temporary equipment and all elements of each assembly.

3. Data sheet on each device listing model, size, capacity, pressure, speed, horsepower, pump impeller size, other data.

4. Manufacturer’s installation, maintenance, repair, and operation instructions for each device. Include assembly drawings and parts lists. Include operating precautions and reasons for precautions.

5. Lubrication instructions including type and quantity of lubricant.

6. Schematic diagrams and wiring diagrams of all control systems corrected to include all field modifications.

7. Description of boiler firing and operating sequence including description of relay and interlock positions at each part of the sequence.

8. Set points of all interlock devices.

9. Trouble-shooting guide for control systems.

10. Operation of the combustion control system.

11. Emergency procedures.

12. Control system programming information for parameters, such as set points, that do not require services of an experienced technician.

13. Step-by-Step written instructions that are specific for the system installed on testing all safety devices. The instructions should be in the same format and in compliance and equivalent to the VHA

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Boiler Plant Safety Devices Testing Manual for each test. All safety devices listed in the manual shall be tested and documentation provided certifying completion.

Q. Provide copies of approved HVAC equipment submittals to the TAB and

Commissioning Subcontractor.

R. Completed System Readiness Checklist provided by the Commissioning

Agent and completed by the Contractor, signed by a qualified technician and dated on the date of completion, in accordance with the requirements of Section 23 08 00, COMMISSIONING OF HVAC SYSTEMS.

S. Submit training plans and instructor qualifications in accordance with the requirements of Section 23 08 00, COMMISSIONING OF HVAC SYSTEMS.

1.5 QUALITY ASSURANCE

A. Mechanical, electrical and associated systems shall be safe, reliable, efficient, durable, easily and safely operable and maintainable, easily and safely accessible, and in compliance with applicable codes as specified. All VA safety device requirements shall be complied with regardless of the size, type, or operating pressure of boiler to include condensing boilers, hot water boilers for heating systems, as defined in the VHA Boiler Plant Safety Devices Testing Manual. The systems shall be comprised of high quality institutional-class and industrial-class products of manufacturers that are experienced specialists in the required product lines. All construction firms and personnel shall be experienced and qualified specialists in industrial and institutional HVAC or steam boiler plant construction, as applicable.

B. Flow Rate Tolerance for HVAC Equipment: Section 23 05 93, TESTING, ADJUSTING, AND BALANCING FOR HVAC.

C. Equipment Vibration Tolerance: Refer to Section 23 05 51, NOISE AND

VIBRATION CONTROL FOR BOILER PLANT. Equipment shall be factory-balanced to this tolerance and re-balanced on site, as necessary.

D. Products Criteria:

1. Standard Products: Material and equipment shall be the standard products of a manufacturer regularly engaged in the manufacture of the products for at least 3 years (or longer as specified elsewhere). The design, model and size of each item shall have been in satisfactory and efficient operation on at least three installations for approximately three years. However, digital electronics devices, software and systems such as controls, 23 05 10 - 13 instruments, computer work station, shall be the current generation of technology and basic design that has a proven satisfactory service record of at least three years. See other specification sections for any exceptions and/or additional requirements.

2. Refer to all other sections for quality assurance requirements for systems and equipment specified therein.

3. All items furnished shall be free from defects that would adversely affect the performance, maintainability and appearance of individual components and overall assembly.

4. The products and execution of work specified in Division 33 shall conform to the referenced codes and standards as required by the specifications. Local codes and amendments shall be enforced, along with requirements of local utility companies. The most stringent requirements of these specifications, local codes, or utility company requirements shall always apply. Any conflicts shall be brought to the attention of the COR.

5. Multiple Units: When two or more units of materials or equipment of the same type or class are required, these units shall be of the same manufacturer and model number, or if different models are required they shall be of the same manufacturer and identical to the greatest extent possible (i.e., same model series).

6. Assembled Units: Performance and warranty of all components that make up an assembled unit shall be the responsibility of the manufacturer of the completed assembly.

7. Nameplates: Nameplate bearing manufacturer's name or identifiable trademark shall be securely affixed in a conspicuous place on equipment, or name or trademark cast integrally with equipment, stamped or otherwise permanently marked on each item of equipment.

8. Use of asbestos products or equipment or materials containing asbestos is prohibited.

E. Boiler Plant Equipment Service Providers: Service providers shall be authorized and trained by the manufacturers of the equipment supplied.

These providers shall be capable of responding onsite and provide acceptable service to restore boiler plant operations within 4 hours of receipt of notification by phone, e-mail or fax in event of an emergency, such as the shutdown of equipment; or within 24 hours in a non-emergency. Submit names, mail and e-mail addresses and phone numbers of service personnel and companies providing service under

23 05 10 - 14 these conditions for (as applicable to the project): burners, burner control systems, boiler control systems, pumps, critical instrumentation, computer workstation and programming.

F. Mechanical Systems Welding: Before any welding is performed, Contractor shall submit a certificate certifying that welders comply with the following requirements:

1. Qualify welding processes and operators for piping according to ASME

BPVC Section IX. Provide proof of current certification.

2. Comply with provisions of ASME B31 series "Code for Pressure

Piping".

3. Certify that each welder and welding operator has passed American

Welding Society (AWS) qualification tests for the welding processes involved, and that certification is current.

4. All welds shall be stamped according to the provisions of the AWS or

ASME as required herein and by the associated code.

G. Boiler Plant and Outside Steam Distribution Welding: Refer to Section

23 21 11, BOILER PLANT PIPING SYSTEMS and Section 33 63 00, STEAM

ENERGY DISTRIBUTION.

H. Manufacturer's Recommendations: Where installation procedures or any part thereof are required to be in accordance with the recommendations of the manufacturer of the material being installed, printed copies of these recommendations shall be furnished to the COR with submittals.

Installation of the item will not be allowed to proceed until the recommendations are received. Failure to furnish these recommendations can be cause for rejection of the material and removal by the

Contractor and no additional cost or time to the Government.

I. Execution (Installation, Construction) Quality:

1. Apply and install all items in accordance with manufacturer's written instructions. Refer conflicts between the manufacturer's instructions and the contract documents to the COR for resolution.

Provide written hard copies and computer files on CD or DVD of manufacturer’s installation instructions to the COR with submittals prior to commencing installation of any item. Installation of the item will not be allowed to proceed until the recommendations are received and approved by VA. Failure to furnish these recommendations is a cause for rejection of the material.

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2. All items that require access, such as for operating, cleaning, servicing, maintenance, and calibration, shall be easily and safely accessible by persons standing at floor level, or standing on permanent platforms, without the use of portable ladders. Examples of these items include, but are not limited to: all types of valves, filters and strainers, transmitters, control devices. Prior to commencing installation work, refer conflicts between this requirement and contract documents to the COR for resolution.

Failure of the Contractor to resolve, or point out any issues will result in the Contractor correcting at no additional cost or time to the Government.

3. Complete coordination/shop drawings shall be required in accordance with paragraph, SUBMITTALS. Construction work shall not start on any system until the coordination/shop drawings have been approved by

VA.

4. Workmanship/craftsmanship will be of the highest quality and standards. The VA reserves the right to reject any work based on poor quality of workmanship this work shall be removed and done again at no additional cost or time to the Government.

J. Upon request by Government, provide lists of previous installations for selected items of equipment. Include contact persons who will serve as references, with current telephone numbers and e-mail addresses.

K. Guaranty: Warranty of Construction, FAR Clause 52.246-21.

1.6 DELIVERY, STORAGE AND HANDLING

A. Protection of Equipment:

1. Equipment and material placed on the job site shall remain in the custody of the Contractor until phased acceptance, whether or not the Government has reimbursed the Contractor for the equipment and material. The Contractor is solely responsible for the protection of such equipment and material against any damage or theft.

2. Large equipment such as boilers, tanks, economizers, heat exchangers, and fans if shipped on open trailer trucks shall be covered with shrink on plastics or water proof tarpaulins that provide protection from exposure to rain, road salts and other transit hazards. Protection shall be kept in place until equipment is moved into a building or installed as designed.

3. Repair damaged equipment in first class, new operating condition and appearance; or, replace same as determined and directed by the COR.

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Such repair or replacement shall be at no additional cost or time to the Government.

4. Protect interiors of new equipment and piping systems against entry of foreign matter. Clean both inside and outside before painting or placing equipment in operation.

5. Existing equipment and piping being worked on by the Contractor shall be under the custody and responsibility of the Contractor and shall be protected as required for new work.

6. Protect plastic piping and tanks from ultraviolet light (sunlight).

B. Cleanliness of Piping and Equipment Systems:

1. Exercise care in storage and handling of equipment and piping material to be incorporated in the work. Remove debris arising from cutting, threading and welding of piping.

2. Piping systems shall be flushed, blown or pigged as necessary to deliver clean systems.

3. Clean interior of all tanks prior to delivery for beneficial use by the Government.

4. Boilers shall be left clean following final internal inspection by

Government insurance representative or inspector.

5. Contractor shall be fully responsible for all costs, damage, and delay arising from failure to provide clean systems.

1.7 AS-BUILT DOCUMENTATION

A. Submit manufacturer’s literature and data updated to include submittal review comments and any equipment substitutions.

B. Submit operation and maintenance data updated to include submittal review comments, VA approved substitutions and construction revisions shall be in electronic version on CD or DVD inserted into a three-ring binder. All aspects of system operation and maintenance procedures, including applicable piping isometrics, wiring diagrams of all circuits, a written description of system design, control logic, and sequence of operation shall be included in the operation and maintenance manual. The operations and maintenance manual shall include troubleshooting techniques and procedures for emergency situations.

Notes on all special systems or devices shall be included. A List of recommended spare parts (manufacturer, model number, and quantity) shall be furnished. Information explaining any special knowledge or

23 05 10 - 17 tools the owner will be required to employ shall be inserted into the

As-Built documentation.

C. The installing Contractor shall maintain as-built drawings of each completed phase for verification; and, shall provide the complete set at the time of final systems certification testing. Should the installing Contractor engage the testing company to provide as-built or any portion thereof, it shall not be deemed a conflict of interest or breach of the ‘third party testing company’ requirement. Provide record drawings as follows:

1. Red-lined, hand-marked drawings are to be provided, with one paper copy and a scanned PDF version of the hand-marked drawings provided on CD DVD.

2. As-built drawings are to be provided, with a copy of them on AutoCAD version provided on CD DVD. The CAD drawings shall use multiple line layers with a separate individual layer for each system.

3. As-built drawings are to be provided, with a copy of them in three-dimensional Building Information Modeling (BIM) software version provided on CD DVD.

D. The as-built drawings shall indicate the location and type of all lockout/tagout points for all energy sources for all equipment and pumps to include breaker location and numbers, valve tag numbers, etc.

Coordinate lockout/tagout procedures and practices with local VA requirements.

E. Certification documentation shall be provided to COR 21 working days prior to submitting the request for final inspection. The documentation shall include all test results, the names of individuals performing work for the testing agency on this project, detailed procedures followed for all tests, and provide documentation/certification that all results of tests were within limits specified. Test results shall contain written sequence of test procedure with written test results annotated at each step along with the expected outcome or setpoint. The results shall include all readings, including but not limited to data on device (make, model and performance characteristics), normal pressures, switch ranges, trip points, amp readings, and calibration data to include equipment serial numbers or individual identifications, etc.

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1.8 JOB CONDITIONS – WORK IN EXISTING BOILER PLANT

A. Plant Operation: Government employees will be continuously operating and managing all plant facilities, including temporary facilities, that serve the steam, condensate, and hot water chilled water requirements of the VAMC.

B. Maintenance of Steam Supply and Condensate Return Service: Schedule all work to permit continuous steam and condensate service at pressures and flow rates as required by the VAMC. At all times, there shall be one spare boiler available and one spare pump for each service available, in addition to those required for serving the load demand. The spare boiler and pumps must be capable of handling the loads that may be imposed if the operating boiler or pump fails.

C. Steam and Condensate Service Interruptions: Limited steam and condensate service interruptions, as required for interconnections of new and existing systems, will be permitted by the COR during periods when the steam demands are not critical to the operation of the VAMC.

These non-critical periods are limited to between 8 pm and 5 am during the non-heating season. Provide at least 10 working days advance notice to the COR. The request shall include a detailed plan on the proposed shutdown and the intended work to be done along with manpower levels.

All equipment and materials must be onsite and verified with plan 5 days prior to the shutdown or it will need to be rescheduled.

D. Phasing of Work: Comply with all requirements shown on contract documents. Contractor shall submit a complete detailed phasing plan/schedule with manpower levels prior to commencing work. The phasing plan shall be detailed enough to provide milestones in the process that can be verified.

E. Plant Working Environment: Maintain the architectural and structural integrity of the plant building and the working environment at all times. Maintain the interior of plant at 18 degrees C (65 degrees F) minimum. Limit the opening of doors, windows or other access openings to brief periods as necessary for rigging purposes. Storm water or ground water leakage is prohibited. Provide daily clean-up of construction and demolition debris on all floor surfaces and on all equipment being operated by VA. Maintain all egress routes and safety systems/devices.

F. Acceptance of Work for Government Operation: As new equipment, systems and facilities are made available for operation and these items are

23 05 10 - 19 deemed of beneficial use to the Government, inspections will be made and tests will be performed. Based on the inspections, a list of contract deficiencies will be issued to the Contractor. No boiler, system, or piece of equipment will be accepted for beneficial use until

ALL safety devices have been tested and passed in accordance with the

VHA Boiler Plant Safety Devices Testing Manual; all equipment that requires regular maintenance, calibration, etc. are accessible from the floor or permanent work platform; and all control systems are proven to be fully operational without faults or shutdowns for a period not less than 21 days of continuous operation without interaction from any person other than that of normal operational duty. After correction of deficiencies as necessary for beneficial use, the Contracting Officer will process necessary acceptance and the equipment will then be under the control and operation of Government personnel.

G. Temporary Facilities: Refer to paragraph, TEMPORARY PIPING AND

EQUIPMENT in this section.

PART 2 - PRODUCTS

2.1 FACTORY-ASSEMBLED PRODUCTS

A. Provide maximum standardization of components to reduce spare part requirements.

B. Performance and warranty of all components that make up an assembled unit shall be the responsibility of the manufacturer of the completed assembly.

1. All components of an assembled unit need not be products of same manufacturer.

2. Constituent parts that are alike shall be products of a single manufacturer.

3. Components shall be compatible with each other and with the total assembly for intended service.

4. Contractor shall guarantee performance of assemblies of components, and shall repair or replace elements of the assemblies as required to deliver specified performance of the complete assembly.

C. Equipment and components of equipment shall bear manufacturer's name and trademark, model number, serial number and performance data on a nameplate securely affixed in a conspicuous place, or cast integral with, stamped or otherwise permanently marked upon the components of the equipment.

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D. Major items of equipment, which serve the same function, must be the same make and model. Exceptions must be approved by the VA but may be permitted if performance requirements cannot be met.

2.2 COMPATIBILITY OF RELATED EQUIPMENT

A. Equipment and materials installed shall be compatible in all respects with other items being furnished and with existing items so that the result will be a complete and fully operational plant that conforms to contract requirements.

2.3 BELT DRIVES

A. Type: ARPM standard V-belts with proper motor pulley and driven sheave.

Belts shall be constructed of reinforced cord and rubber.

B. Dimensions, rating and selection standards: ARPM IP-20 and ARPM IP-21.

C. Minimum Horsepower Rating: Motor horsepower plus recommended ARPM service factor (not less than 20 percent) in addition to the ARPM allowances for pitch diameter, center distance, and arc of contact.

D. Maximum Speed: 25 m/s (5000 feet per minute).

E. Adjustment Provisions: For alignment and ARPM standard allowances for installation and take-up.

F. Drives may utilize a single V-Belt (any cross section) when it is the manufacturer's standard.

G. Multiple Belts: Matched to ARPM specified limits by measurement on a belt measuring fixture. Seal matched sets together to prevent mixing or partial loss of sets. Replacement, when necessary, shall be an entire set of new matched belts.

H. Sheaves and Pulleys:

1. Material: Pressed steel, or close-grained cast iron.

2. Bore: Fixed or bushing type for securing to shaft with keys.

3. Balanced: Statically and dynamically.

4. Groove spacing for driving and driven pulleys shall be the same.

5. Minimum Diameter of V-Belt Sheaves (ARPM recommendations) in millimeters and inches:

I. Drive Types, Based on ARI 435:

1. Provide adjustable-pitch or fixed-pitch drive as follows:

a. Fan speeds up to 1800 RPM: 7.5 kW (10 hp) and smaller.

b. Fan speeds over 1800 RPM: 2.2 kW (3 hp) and smaller.

2. Provide fixed-pitch drives for drives larger than those listed above.

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3. The final fan speeds required to just meet the system CFM and pressure requirements, without throttling the design air flow branch, shall be determined by adjustment of a temporary adjustable-pitch motor sheave or by fan law calculation if a fixed-pitch drive is used initially.

J. Final Drive Set: If adjustment is required beyond the capabilities of the factory drive set, the final drive set shall be provided as part of this contract at no additional cost or time to the Government.

2.4 DRIVE GUARDS

A. For machinery and equipment, provide guards as shown in AMCA 410 for belts, chains, couplings, pulleys, sheaves, shafts, gears and other moving parts regardless of height above the floor to prevent damage to equipment and injury to personnel. Drive guards may be excluded where motors and drives are inside factory-fabricated air handling unit casings.

B. Pump shafts and couplings shall be fully guarded by a sheet steel guard, covering coupling and shaft but not bearings. Material shall be minimum 16-gauge sheet steel; all edges shall be hemmed and ends shall be bent into flanges and the flanges drilled and attached to pump base with minimum of four 6 mm (1/4 inch) bolts. Reinforce guard as necessary to prevent side play forcing guard onto couplings.

C. V-belt and sheave assemblies shall be totally enclosed, firmly mounted, and non-resonant. Guard shall be an assembly of minimum 22-gauge sheet steel and expanded or perforated metal to permit observation of belts.

25 mm (1 inch) diameter hole shall be provided at each shaft centerline to permit speed measurement.

D. Materials: Sheet steel, expanded metal or wire mesh rigidly secured so as to be removable without disassembling pipe, duct, or electrical connections to equipment.

E. Access for Speed Measurement: 25 mm (1 inch) diameter hole at each shaft center.

2.5 LIFTING ATTACHMENTS

A. Provide equipment with suitable lifting attachments to enable equipment to be lifted in its normal position. Lifting attachments shall withstand any handling conditions that might be encountered, without bending or distortion of shape, such as rapid lowering and braking of load.

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2.6 ELECTRIC MOTORS

A. All material and equipment furnished and installation methods shall conform to the requirements of Section 23 05 12, GENERAL MOTOR

REQUIREMENTS FOR HVAC AND STEAM GENERATION EQUIPMENT; Section 26 29 11, MOTOR CONTROLLERS; and, Section 26 05 19, LOW-VOLTAGE ELECTRICAL POWER

CONDUCTORS AND CABLES. Provide all electrical wiring, conduit, and devices necessary for the proper connection, protection and operation of the systems. Provide special energy efficient premium efficiency type motors as scheduled.

2.7 VARIABLE SPEED MOTOR CONTROLLERS

A. Refer to Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS and Section 26 29 11, MOTOR CONTROLLERS for specifications.

B. Coordinate variable speed motor controllers’ communication protocol with Section 23 09 11, INSTRUMENTATION AND CONTROL FOR BOILER PLANT.

C. Provide variable speed motor controllers with or without a bypass contactor as indicated in Contract drawings.

D. The combination of controller and motor shall be provided by the manufacturer of the driven equipment, such as pumps and fans, and shall be rated for 100 percent output performance. Multiple units of the same class of equipment, i.e. pumps shall be product of a single manufacturer.

E. Motors shall be premium efficiency type and be approved by the motor controller manufacturer. The controller-motor combination shall be guaranteed to provide full motor nameplate horsepower in variable frequency operation. Both driving and driven motor/fan sheaves shall be fixed pitch.

F. Controller shall not add any current or voltage transients to the input ac power distribution system, DDC controls, sensitive medical equipment, etc., nor shall be affected from other devices on the ac power system.

2.8 TEMPORARY BOILER PLANT INSTALLATION

A. Provide temporary facilities to replace all functions of the existing boiler plant during the construction period. Temporary facilities must remain in operation until all new facilities are accepted for beneficial use. Temporary facilities shall provide same quality and capacity of service as existing facilities.

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B. Refer to contract documents for arrangement and location of temporary facilities and for equipment performance requirements.

C. Temporary equipment may be new or previously used. Previously used equipment shall show no evidence of wear or deterioration that would affect the safe, reliable operation.

D. Equipment to be utilized in the new plant shall not be used in the temporary plant.

E. Remove all temporary facilities from Government property after final use. Provide COR 10 working days advance notice prior to removal.

F. Equipment must be clean inside and outside.

G. Boilers and accessories shall have the following:

1. Design pressure exceeding maximum safety valve set pressure.

2. Construction and accessories in compliance with ASME Boiler and

Pressure Vessel Code, Section I.

3. After installation and prior to operation, provide internal inspection by authorized inspector certified by National Board of

Boiler and Pressure Vessel Inspectors. Submit signed report to COR.

Inspector must certify boilers as clean and safe for operation.

Photographic evidence shall be taken of the condition of the boiler internally of both the water and fire sides at time of delivery and prior to operation and once again when the prior to the temporary boiler leaving the site. This is to ensure the VA is not charged to descale the boilers.

4. Steam output flow range and pressure as shown on contract documents.

5. Dual low water cutoffs, dual high steam pressure cutouts, high water alarm.

6. Calibrated steam pressure gauge, 150 mm (6 inch) minimum diameter.

7. One set of spares for all gaskets and water column gauge glasses.

8. Provide N+1 capacity.

9. Equip with all safety devices defined and tested in accordance with the VHA Boiler Plant Safety Devices Testing Manual at the

Contractor’s expense.

10. Emergency power connection for continuous operation during utility outage.

H. Burners, accessories, and fuel trains shall have the following:

1. Automatic operation over entire firing range. Turndown capability

6/1 or greater.

2. Comply with NFPA 85 regardless of burner input rating.

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3. All safety devices UL listed for the service and defined in the VHA

Boiler Plant Safety Devices Testing Manual.

4. Dual fuel capability.

5. Filtration devices at entrance to each fuel train designed to protect all downstream devices from clogging or plugging.

6. Pressure regulating valves on main gas and igniter (pilot) gas.

7. Pressure gauges at burners and outlets of pressure regulating valves.

8. One set of spare drive belts for all belt-driven equipment.

I. Burner control (Flame Safeguard) system shall have the following:

1. Automatic operation, self-checking circuits.

2. UL listed, FM approved.

3. Self-checking ultraviolet flame detectors. Infrared flame detectors with self-checking amplifiers permitted on fire tube boilers.

4. Provide one spare scanner and control chassis for each type utilized.

J. Combustion Control System: Automatic control of steam pressure, with provision for manual control.

K. Feedwater System:

1. Provide system, including feedwater deaerator, to furnish minimum water temperature of 104 degrees C (220 degrees F), pressure and quality recommended by boiler manufacturer. Maximum oxygen content of feedwater from deaerator 12 ppb.

2. Capacity shall exceed maximum steam flow requirement of VAMC.

3. Provide automatic feedwater deaerator water level control and high and low-level alarms as defined in the VHA Boiler Plant Safety

Devices Testing Manual.

4. Provide one full size redundant feed pump.

5. Automatic boiler water level control with three-valve bypass.

6. Automatic water softener for make-up water.

7. Prior to operation, provide internal inspection of feedwater deaerator by Authorized Inspector certified by the National Board of

Boiler and Pressure Vessel Inspectors. Submit signed report.

Inspector must certify deaerator as clean and safe for operation.

L. Instrumentation:

1. Record steam flow rate and provide totalizer for each boiler.

2. Pressure gauge for main steam, feedwater header, fuel oil and natural gas headers.

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3. Mount recorders and pressure gauges in painted, reinforced sheet metal panel.

4. Provide 100 recorder charts of each type and two replacement recorder pens for each pen arm.

M. Chemical Treatment System: Provide individual pump type systems to deliver proper chemicals to each boiler. Water quality shall be maintained as directed by contractor-retained water treatment firm. All chemicals must be FDA approved for use where steam contacts food or is used for humidification. Provide chemical treatment, or maintain existing chemical treatment, which protects all site coils and condensate lines from corrosion.

N. Blowoff System: Provide system to collect boiler bottom blowoff and to discharge it to sanitary sewer at temperature not exceeding 65 degrees

C (150 degrees F).

O. Fuel System: Provide systems to furnish sufficient natural gas and No.

2 fuel oil to generate steam to satisfy maximum steam flow demand of

VAMC. Comply with NFPA 31 and NFPA 54. Provide filtration systems to protect pumps, flow meters, and pressure control valves. Fuel oil systems shall operate with no air entrainment or pump cavitation.

P. Access Platforms and Ladders: Provide for access to all valves, controls and instruments not accessible to personnel standing on floor.

Design of platforms and ladders must comply with OSHA requirements.

Q. Enclosure of Temporary Equipment: Provide clean, dry, ventilated, lighted, heated shelter for all equipment and for operating personnel.

Heating system shall maintain 18 degrees C (65 degrees F) under all weather conditions and when boilers are not in operation. Shelter construction must comply with all state and local codes.

R. Provisions shall be made for operators control room within the line of sight and adjacent to the temporary equipment to allow 24/7 oversight of the systems. This will include appropriate break and restroom facilities.

S. Pipe, Stack, and Breeching Supports: Support all hot systems on roller and spring hangers. Anchor and support all systems in compliance with recommendations and requirements of ASME B31.1 and MSS SP-58.

T. Pipe, Equipment, Boiler Stack and Breeching Insulation: Provide material and thickness as specified for permanent installation, except

23 05 10 - 26 maximum thickness shall be 50 mm (2 inches) and all pipe insulation may be fiberglass with all-service jackets.

U. Power Supply: Provide full time power and emergency power to serve full load operation of all equipment in temporary boiler plant.

V. Repairs and Maintenance: Contractor shall furnish labor and material for all repairs and safety device testing at no additional cost or time to the Government. Malfunctions that reduce the steam supply to the facility shall be repaired within 4 hours of notice. Other repairs shall be accomplished within 24 hours of notice. Routine maintenance requiring standard tools and supplies and less than one man-hour per day will be performed by the Government. Cleaning made necessary by

Government operation will be performed by the Government.

W. Seismic Anchorage of Equipment and Bracing of Piping, Stacks, Breeching: Conform to…