Attachment A - Spec 230510.pdf

06-01-24

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

26. CPVC: Chlorinated Polyvinyl Chloride

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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

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

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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 (less than 103 kPa (15 psig)Safety valve must be set at or below 103kPa (15psig)

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 (103-414 kPa [15-60 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 03 30 00, CAST-IN-PLACE CONCRETE.

F. Section 05 50 00, METAL FABRICATIONS.

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

H. Section 07 84 00, FIRESTOPPING.

I. Section 07 92 00, JOINT SEALANTS.

J. Section 09 91 00, PAINTING.

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

GENERATION EQUIPMENT.

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

EQUIPMENT.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

AA. Section 26 29 11, MOTOR CONTROLLERS.

BB. 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 shall govern.

B. Air Movement and Control Association (AMCA):

410-1996................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

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

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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):

31-2024.................Standard for Installation of Oil-Burning

Equipment

54-2023.................National Fuel Gas Code

70-2024.................National Electrical Code (NEC)

85-2023.................Boiler and Combustion Systems Hazards Code

101-2024................Life Safety Code

J. Department of Veterans Affairs (VA):

........................VHA Boiler and Associated Plant Safety Device

Testing Manual, Eighth 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-18-10-2020...........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.

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

23 05 10 - 8 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. The contractor shall submit a site plan for the layout and the installation of rental boilers. This requirement shall be complied with even if the use of rental boilers is not planned and shall serve as part of the emergency plan if rental boilers become necessary at any time to meet N+1.

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 shall 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 documented performance date from an actual site/installation 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 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 shall be given only if all features of the equipment and associated systems, including accessibility, are equivalent to that required by the contract.

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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. 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 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.

K. 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.

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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.

L. 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.

M. 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.

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.

N. Boiler Plant Maintenance Data and Operating Instructions:

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

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

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

4. Lubrication instructions including type and quantity of lubricant.

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

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

7. Set points of all interlock devices.

8. Trouble-shooting guide for control systems.

9. Operation of the combustion control system.

10. Emergency procedures.

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

12. 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

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

O. Provide copies of approved HVAC equipment submittals to the TAB //and Commissioning// Subcontractor.

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.

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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, 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.

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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. 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.

F. 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.

G. 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 shall 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.

H. 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 shall not be allowed to proceed until the recommendations are

23 05 10 - 14 received and approved by VA. Failure to furnish these recommendations is a cause for rejection of the material.

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 shall 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 shall 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.

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

J. 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.

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3. All manufactured equipment such as boilers, tanks, economizers, heat exchangers, fans, pumps and all equipment with electrical components shall be stored inside a secured building and protected from inclement weather until installed as designed. No items shall be stored outside.

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

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

5. 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.

6. 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.

7. 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. 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:

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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.

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

C. The as-built drawings shall indicate the location and type of all lockout/tagout points for all energy sources for each individual piece of equipment and pumps to include breaker location and numbers, valve tag numbers, etc. Coordinate lockout/tagout procedures and practices with local VA requirements. Demonstrating the lockout points to the local VA as the equipment is installed and has the possibility of being energized.

D. 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.

1.8 //JOB CONDITIONS – WORK IN EXISTING BOILER PLANT

A. 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 shall be capable of handling the loads that may be imposed if the operating boiler or pump fails.

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

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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 shall be onsite and verified with plan prior to the shutdown or it shall be rescheduled.

C. Plant Working Environment: Always maintain the architectural and structural integrity of the plant and the building and the working environment. Refer to the HVAC Design manual for minimum plant temperature requirements within the boiler plant. 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.

D. All contractor tools, equipment, office/storage trailers, etc. shall be removed within thirty days from the final acceptance of the project. If the project is to be completed in phases all tools and equipment shall be the responsibility of the contractor to store in a secure location outside of the boiler plant, where it does not interfere with the daily operations of the boiler plant, between the phases.

E. Acceptance of Work for Government Operation: As new equipment, systems and facilities are made available for operation and these items are deemed of beneficial use to the Government, inspections shall be made and tests shall be performed. Based on the inspections, a list of contract deficiencies shall be issued to the Contractor. No boiler, system, or piece of equipment shall 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 shall process necessary acceptance and the equipment shall then be under the control and operation of Government personnel.

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SPEC WRITER NOTE: Delete the following paragraph if not applicable to project.

1.9 THIRD PARTY INSPECTIONS/REPORTS/RESULTS

A. The VA shall be copied on all third-party communications for inspections, reports, testing results etc.

B. The COR shall receive a minimum of 2 week notice of any third-party inspections on VA property.

C. The COR shall receive the same reports, test results as the contractor at the time of the report directly from the 3rd party.

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.

D. Major items of equipment, which serve the same function, shall be the same make and model. Exceptions shall 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 shall be a complete and fully operational plant that conforms to contract requirements.

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2.3 EQUIPMENT AND MATERIALS IDENTIFICATION

A. Use symbols, nomenclature and equipment numbers specified, shown on the contract documents and shown in the maintenance manuals. Identification for piping is specified in Section 09 91 00, PAINTING.

B. Exterior (Outdoor) Equipment: Brass nameplates, with engraved black filled letters, not less than 5 mm (3/16 inch) high riveted or bolted to the equipment.

C. Valve Tags and Lists:

1. Boiler Plant: Provide for all valves.

2. Valve tags: Engraved black filled numbers and letters not less than 15 mm (1/2 inch) high for number designation, and not less than 6 mm

(1/4 inch) for service designation on 19-gauge 40 mm (1-1/2 inches) round brass disc, attached with brass "S" hook or brass chain.

3. Valve lists: Typed or printed plastic coated card(s), sized 215 mm

(8-1/2 inches) by 275 mm (11 inches) showing tag number, valve function and area of control, for each service or system. Punch sheets for a 3-ring notebook.

4. Provide detailed plan for each floor of the building indicating the location and valve number for each valve. Identify location of each valve with a color-coded thumb tack in ceiling.

2.4 HVAC PIPE AND EQUIPMENT SUPPORTS AND RESTRAINTS

A. Vibration Isolators: Refer to Section 23 05 41, NOISE AND VIBRATION

CONTROL FOR HVAC PIPING AND EQUIPMENT.

B. Pipe Hangers and Supports for Boiler Plant: Refer to Section 23 21 11, BOILER PLANT PIPING SYSTEMS.

C. Pipe Supports: Comply with MSS SP-58. Type Numbers specified refer to this standard. For selection and application comply with MSS SP-58.

Refer to Section 05 50 00, METAL FABRICATIONS, for miscellaneous metal support materials and prime coat painting requirements.

D. Hanger Rods: Hot-rolled steel, ASTM A36/A36M or ASTM A575 for allowable load listed in MSS SP-58. For piping, provide adjustment means for controlling level or slope. Types 13 or 15 turn-buckles shall provide

40 mm (1-1/2 inches) minimum of adjustment and incorporate locknuts.

All-thread rods are acceptable.

E. Hangers Supporting Multiple Pipes (Trapeze Hangers): Galvanized, cold formed, lipped steel channel horizontal member, not less than 41 by 41 mm (1-5/8 by 1-5/8 inches), 2.7 mm (12 gauge), designed to accept

23 05 10 - 20 special spring held, hardened steel nuts. Prohibited for steam supply and condensate piping.

1. Allowable hanger load: Manufacturers rating less 91 kg (200 pounds).

2. Guide individual pipes on the horizontal member of every other trapeze hanger with 6 mm (1/4 inch) U-bolt fabricated from steel rod. Provide Type 40 insulation shield, secured by two 15 mm (1/2 inch) galvanized steel bands, or preinsulated calcium silicate shield for insulated piping at each hanger.

F. Supports for Piping Systems:

1. Select hangers sized to encircle insulation on insulated piping.

Refer to Section 23 07 11, HVAC AND BOILER PLANT INSULATION for insulation thickness. To protect insulation, provide Type 39 saddles for roller type supports or preinsulated calcium silicate shields.

Provide Type 40 insulation shield or preinsulated calcium silicate shield at all other types of supports and hangers including those for preinsulated piping.

2. High and Medium Pressure Steam (MSS SP-58):

a. Provide eye rod or Type 17 eye nut near the upper attachment.

b. Piping 50 mm (2 inches) and larger: Type 43 roller hanger. //For roller hangers requiring seismic bracing provide a Type 1 clevis hanger with Type 41 roller attached by flat side bars.//

3. Convertor and Expansion Tank Hangers: May be Type 1 sized for the shell diameter. Insulation where required shall cover the hangers.

G. Pre-insulated Calcium Silicate Shields:

1. Provide 360-degree water resistant high density 965 kPa (140 psig) compressive strength calcium silicate shields encased in galvanized metal.

2. Pre-insulated calcium silicate shields to be installed at the point of support during erection.

3. Shield thickness shall match the pipe insulation.

4. The type of shield is selected by the temperature of the pipe, the load it shall carry, and the type of support it shall be used with.

a. Shields for supporting chilled or cold water shall have insulation that extends a minimum of 25 mm (1 inch) past the sheet metal. Provide for an adequate vapor barrier in chilled lines.

b. The pre-insulated calcium silicate shield shall support the maximum allowable water filled span as indicated in MSS SP-58. To

23 05 10 - 21 support the load, the shields may have one or more of the following features: structural inserts 4138 kPa (600 psig) compressive strength, an extra bottom metal shield, or formed structural steel (ASTM A36/A36M) wear plates welded to the bottom sheet metal jacket.

5. Shields may be used on steel clevis hanger type supports, roller supports or flat surfaces.

H. Seismic Restraint of Piping and Ductwork: Refer to Section 13 05 41, SEISMIC RESTRAINT REQUIREMENTS FOR NON-STRUCTURAL COMPONENTS. Comply with MSS SP-127.

2.5 ASBESTOS

A. Materials containing asbestos are prohibited.

PART 3 - EXECUTION

3.1 GENERAL

A. If an installation is unsatisfactory to the COR, the Contractor shall correct the installation at no additional cost or time to the

Government.

3.2 ARRANGEMENT AND INSTALLATION OF EQUIPMENT AND PIPING

A. Location of piping, sleeves, inserts, hangers, and equipment, access provisions shall be coordinated with the work of all trades. The coordination/shop drawings shall be submitted for review. Locate piping, sleeves, inserts, hangers, ductwork and equipment clear of windows, doors, openings, light outlets, and other services and utilities. Equipment coordination/shop drawings shall be prepared to coordinate proper location and personnel access of all facilities. The drawings shall be submitted for review. Follow manufacturer's published recommendations for installation methods not otherwise specified.

B. Location of pipe sleeves, trenches and chases shall be accurately coordinated with equipment and piping locations.

C. Cutting Holes:

1. Cut holes through concrete and masonry by rotary core drill.

Pneumatic hammer, impact electric, and hand or manual hammer type drill is prohibited, except as permitted by COR where working area space is limited.

2. Locate holes to avoid interference with structural members such as slabs, columns, ribs, beams or reinforcing. Holes shall be laid out in advance and drilling done only after approval by COR. If the

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Contractor considers it necessary to drill through structural members, this matter shall be referred to COR for approval.

3. Do not penetrate membrane waterproofing.

D. Minor Piping: Generally, small diameter pipe runs from drips and drains, water cooling, and other service are not shown but shall be provided.

E. Protection and Cleaning:

1. Equipment and materials shall be carefully handled, properly stored, and adequately protected to prevent damage before and during installation, in accordance with the manufacturer's recommendations and as approved by the COR. Damaged or defective items in the opinion of the COR, shall be replaced.

2. Protect all finished parts of equipment, such as shafts and bearings where accessible, from rust prior to operation by means of protective grease coating and wrapping. Close pipe openings with caps or plugs during installation. Tightly cover and protect fixtures and equipment against dirt, water chemical, or mechanical injury. At completion of all work thoroughly clean fixtures, exposed materials and equipment.

F. Concrete and Grout: Use concrete and non-shrink grout 21 MPa (3000 psig) minimum, specified in Section 03 30 00, CAST-IN-PLACE CONCRETE.

G. Install gauges, thermometers, valves and other devices with due regard for ease in reading or operating and maintaining said devices. Locate and position thermometers and gauges to be easily read by operator or staff standing on floor or walkway provided. Servicing shall not require dismantling adjacent equipment or pipe work.

H. Install steam piping expansion joints as per manufacturer’s recommendations.

3.3 RIGGING

A. Design is based on application of available equipment. Openings in building structures are planned to accommodate design scheme.

B. Alternative methods of equipment delivery may be offered by Contractor and shall be considered by Government under specified restrictions of phasing and maintenance of service requirements as well as structural integrity of the building.

C. Close all openings in the building when not required for rigging operations to maintain proper environment in the facility for

Government operation and maintenance of service.

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D. Contractor shall provide all facilities required to deliver specified equipment and place on foundations. Attachments to structures for rigging purposes and support of equipment on structures shall be

Contractor's full responsibility. Upon request, the Government shall check structure adequacy and advise Contractor of recommended restrictions.

E. Contractor shall check all clearances, weight limitations and shall offer a rigging plan designed by a Registered Professional Engineer.

All modifications to structures, including reinforcement thereof, shall be at Contractor's cost, time and responsibility.

F. Follow approved rigging plan.

G. Restore building to original condition upon completion of rigging work.

3.4 PIPE AND EQUIPMENT SUPPORTS

A. Where hanger spacing does not correspond with joist or rib spacing, use structural steel channels designed by a structural engineer, secured directly to joist and rib structure that shall correspond to the required hanger spacing, and then suspend the equipment and piping from the channels. Drill or burn holes in structural steel only with the prior approval of the COR.

B. Use of chain pipe supports; wire or strap hangers; wood for blocking, stays and bracing; or, hangers suspended from piping above are prohibited. Replace or thoroughly clean rusty products and paint with zinc primer.

C. Hanger rods shall be used that are straight and vertical. Turnbuckles for vertical adjustments may be omitted where limited space prevents use. Provide a minimum of 15 mm (1/2 inch) clearance between pipe or piping covering and adjacent work.

D. HVAC Horizontal Pipe Support Spacing: Refer to MSS SP-58. Provide additional supports at valves, strainers, in-line pumps and other heavy components. Provide a support within one foot of each elbow.

3.5 MECHANICAL DEMOLITION

A. Rigging access, other than indicated on the contract documents, shall be provided by the Contractor after approval for structural integrity by the COR. Such access shall be provided without additional cost or time to the Government. Where work is in an operating plant, provide approved protection from dust and debris at all times for the safety of plant personnel and maintenance of plant operation and environment of the plant.

23 05 10 - 24

B. In an operating facility, maintain the operation, cleanliness and safety. Government personnel shall be carrying on their normal duties of operating, cleaning and maintaining equipment and plant operation.

Confine the work to the immediate area concerned; maintain cleanliness and wet down demolished materials to eliminate dust. Debris accumulated in the area to the detriment of plant operation is prohibited. Perform all flame cutting to maintain the fire safety integrity of this plant.

Adequate fire extinguishing facilities shall be available at all times.

Perform all work in accordance with recognized fire protection standards. Inspection shall be made by personnel of the VAMC, and

Contractor shall follow all directives of the COR with regard to rigging, safety, fire safety, and maintenance of operations.

C. Unless specified otherwise, all piping, wiring, conduit, and other devices associated with the equipment not re-used in the new work shall be completely removed from Government property per Section 01 74 19, CONSTRUCTION WASTE MANAGEMENT. This includes all concrete equipment pads, pipe, valves, fittings, insulation, and all hangers including the top connection and any fastenings to building structural systems. All openings shall be sealed after removal of equipment, pipes, ducts, and other penetrations in roof, walls, floors, in an approved manner and in accordance with contract documents where specifically covered.

Structural integrity of the building system shall be maintained.

Reference shall also be made to the contract documents of the other disciplines in the project for additional facilities to be demolished or handled.

D. All indicated valves including gate, globe, ball, butterfly and check, all pressure gauges and thermometers with wells shall remain Government property and shall be removed and delivered to COR and stored as directed. The Contractor shall remove all other material and equipment, devices and demolition debris under these contract documents. Such material shall be removed from Government property expeditiously and shall not be allowed to accumulate.

3.6 CLEANING AND PAINTING

A. Prior to final inspection and acceptance of the plant and facilities for beneficial use by the Government, the plant facilities, equipment and systems shall be thoroughly cleaned and painted. Refer to Section

09 91 00, PAINTING.

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B. In addition, the following special conditions apply:

1. Cleaning shall be thorough. Solvents, cleaning materials and methods recommended by the manufacturers shall be used for the specific tasks. All rust shall be removed prior to painting and from surfaces to remain unpainted. Repair scratches, scuffs, and abrasions prior to applying prime and finish coats.

2. The following material and equipment shall not be painted:

a. Motors, controllers, control switches, and safety switches.

b. Control and interlock devices.

c. Regulators.

d. Pressure reducing valves.

e. Control valves and thermostatic elements.

f. Lubrication devices and grease fittings.

g. Copper, brass, aluminum, stainless steel and bronze surfaces.

h. Valve stems and rotating shafts.

i. Pressure gauges and thermometers.

j. Glass.

k. Nameplates.

3. Pumps, motors, steel and cast-iron bases, and coupling guards shall be cleaned, and shall be touched-up with the same paint type and color as utilized by the pump manufacturer.

4. Lead based paints are prohibited.

3.7 IDENTIFICATION SIGNS

A. Provide laminated plastic signs, with engraved lettering not less than

5 mm (3/16 inch) high, designating functions, for all equipment, switches, motor controllers, relays, meters, control devices, including automatic control valves. Nomenclature and identification symbols shall correspond to that used in maintenance manual, and in diagrams specified elsewhere. Attach by chain, adhesive, or screws.

B. Factory Built Equipment: Metal plate, securely attached, with name and address of manufacturer, serial number, model number, size, performance.

C. Boiler Plant Instrumentation Panel: Refer to Section 23 09 11, INSTRUMENTATION AND CONTROL FOR BOILER PLANT.

D. Boiler Control Panels: Refer to Section 23 09 11, INSTRUMENTATION AND

CONTROL FOR BOILER PLANT

E. Pipe Identification: Refer to Section 09 91 00, PAINTING.

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3.8 STARTUP, TEMPORARY OPERATION AND TESTING

A. Perform tests as recommended by product manufacturer and listed standards and under actual or simulated operating conditions and prove full compliance with design and specified requirements. Tests of the various items of equipment shall be performed simultaneously with the system of which each item is an integral part.

B. When any defects are detected, correct defects and repeat test at no additional cost or time to the Government.

C. //The Commissioning Agent shall…