230511 COMMON WORK RESULTS FOR HVAC seismic.pdf

UPGRADE EMERGENCY POWER IN BUILDING 138

VAMC, MARION, IN PROJECT: 610-16-104

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SECTION 23 05 11

COMMON WORK RESULTS FOR HVAC

PART 1 - GENERAL

1.1 DESCRIPTION

A. The requirements of this Section apply to all secti ons of Division 23.

B. Definitions:

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

2. Exterior: Piping, ductwork, and equipment exposed t o weather be it temperature, humidity, precipitation, wind, or sola r radiation.

C. Abbreviations/Acronyms:

1. ac: Alternating Current

2. AC: Air Conditioning

3. ACU: Air Conditioning Unit

4. ACR: Air Conditioning and Refrigeration

5. AI: Analog Input

6. AISI: American Iron and Steel Institute

7. AO: Analog Output

8. ASJ: All Service Jacket

9. AWG: American Wire Gauge

10. BACnet: Building Automation and Control Networking Protocol

11. BAg: Silver-Copper-Zinc Brazing Alloy

12. BAS: Building Automation System

13. BCuP: Silver-Copper-Phosphorus Brazing Alloy

14. bhp: Brake Horsepower

15. Btu: British Thermal Unit

16. Btu/h: British Thermal Unit Per Hour

17. CDA: Copper Development Association

18. C: Celsius

19. CD: Compact Disk

20. CFM: Cubic Foot Per Minute

21. CH: Chilled Water Supply

22. CHR: Chilled Water Return

23. CLR: Color

24. CO: Carbon Monoxide

25. COR: Contracting Officer’s Representative

26. CPD: Condensate Pump Discharge

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27. CPM: Cycles Per Minute

28. CPVC: Chlorinated Polyvinyl Chloride

29. CRS: Corrosion Resistant Steel

30. CTPD: Condensate Transfer Pump Discharge

31. CTPS: Condensate Transfer Pump Suction

32. CW: Cold Water

33. CWP: Cold Working Pressure

34. CxA: Commissioning Agent

35. dB: Decibels

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

37. DDC: Direct Digital Control

38. DI: Digital Input

39. DO: Digital Output

40. DVD: Digital Video Disc

41. DN: Diameter Nominal

42. DWV: Drainage, Waste and Vent

43. EPDM: Ethylene Propylene Diene Monomer

44. EPT: Ethylene Propylene Terpolymer

45. ETO: Ethylene Oxide

46. F: Fahrenheit

47. FAR: Federal Acquisition Regulations

48. FD: Floor Drain

49. FED: Federal

50. FG: Fiberglass

51. FGR: Flue Gas Recirculation

52. FOS: Fuel Oil Supply

53. FOR: Fuel Oil Return

54. FSK: Foil-Scrim-Kraft facing

55. FWPD: Feedwater Pump Discharge

56. FWPS: Feedwater Pump Suction

57. GC: Chilled Glycol Water Supply

58. GCR: Chilled Glycol Water Return

59. GH: Hot Glycol Water Heating Supply

60. GHR: Hot Glycol Water Heating Return

61. gpm: Gallons Per Minute

62. HDPE: High Density Polyethylene

63. Hg: Mercury

64. HOA: Hands-Off-Automatic

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65. hp: Horsepower

66. HPS: High Pressure Steam (414 kPa (60 psig) and abo ve)

67. HPR: High Pressure Steam Condensate Return

68. HW: Hot Water

69. HWH: Hot Water Heating Supply

70. HWHR: Hot Water Heating Return

71. Hz: Hertz

72. ID: Inside Diameter

73. IPS: Iron Pipe Size

74. kg: Kilogram

75. klb: 1000 lb

76. kPa: Kilopascal

77. lb: Pound

78. lb/hr: Pounds Per Hour

79. L/s: Liters Per Second

80. L/min: Liters Per Minute

81. LPS: Low Pressure Steam (103 kPa (15 psig) and belo w)

82. LPR: Low Pressure Steam Condensate Gravity Return

83. MAWP: Maximum Allowable Working Pressure

84. MAX: Maximum

85. MBtu/h: 1000 Btu/h

86. MBtu: 1000 Btu

87. MED: Medical

88. m: Meter

89. MFG: Manufacturer

90. mg: Milligram

91. mg/L: Milligrams Per Liter

92. MIN: Minimum

93. MJ: Megajoules

94. ml: Milliliter

95. mm: Millimeter

96. MPS: Medium Pressure Steam (110 kPa (16 psig) throu gh 414 kPa (60 psig))

97. MPR: Medium Pressure Steam Condensate Return

98. MW: Megawatt

99. NC: Normally Closed

100. NF: Oil Free Dry (Nitrogen)

101. Nm: Newton Meter

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102. NO: Normally Open

103. NOx: Nitrous Oxide

104. NPT: National Pipe Thread

105. NPS: Nominal Pipe Size

106. OD: Outside Diameter

107. OSD: Open Sight Drain

108. OS&Y: Outside Stem and Yoke

109. PC: Pumped Condensate

110. PID: Proportional-Integral-Differential

111. PLC: Programmable Logic Controllers

112. PP: Polypropylene

113. PPE: Personal Protection Equipment

114. ppb: Parts Per Billion

115. ppm: Parts Per Million

116. PRV: Pressure Reducing Valve \

117. PSIA: Pounds Per Square Inch Absolute

118. psig: Pounds Per Square Inch Gauge

119. PTFE: Polytetrafluoroethylene

120. PVC: Polyvinyl Chloride

121. PVDC: Polyvinylidene Chloride Vapor Retarder Jacket ing, White

122. PVDF: Polyvinylidene Fluoride

123. rad: Radians

124. RH: Relative Humidity

125. RO: Reverse Osmosis

126. rms: Root Mean Square

127. RPM: Revolutions Per Minute

128. RS: Refrigerant Suction

129. RTD: Resistance Temperature Detectors

130. RTRF: Reinforced Thermosetting Resin Fittings

131. RTRP: Reinforced Thermosetting Resin Pipe

132. SCFM: Standard Cubic Feet Per Minute

133. SPEC: Specification

134. SPS: Sterile Processing Services

135. STD: Standard

136. SDR: Standard Dimension Ratio

137. SUS: Saybolt Universal Second

138. SW: Soft water

139. SWP: Steam Working Pressure

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140. TAB: Testing, Adjusting, and Balancing

141. TDH: Total Dynamic Head

142. TEFC: Totally Enclosed Fan-Cooled

143. TFE: Tetrafluoroethylene

144. THERM: 100,000 Btu

145. THHN: Thermoplastic High-Heat Resistant Nylon Coate d Wire

146. THWN: Thermoplastic Heat & Water-Resistant Nylon Co ated Wire

147. T/P: Temperature and Pressure

148. USDA: U.S. Department of Agriculture

149. V: Volt

150. VAC: Vacuum

151. VA: Veterans Administration

152. VAC: Voltage in Alternating Current

153. VA CFM: VA Construction & Facilities Management

154. VA CFM CSS: VA Construction & Facilities Management , Consulting

Support Service

155. VAMC: Veterans Administration Medical Center

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

Asset Management Engineering and Support

157. VR: Vacuum condensate return

158. WCB: Wrought Carbon Steel, Grade B

159. WG: Water Gauge or Water Column

160. 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 03 30 00, CAST-IN-PLACE CONCRETE.

E. Section 05 31 00, STEEL DECKING.

F. Section 05 50 00, METAL FABRICATIONS.

G. Section 07 84 00, FIRESTOPPING.

H. Section 07 92 00, JOINT SEALANTS.

I. Section 09 91 00, PAINTING.

J. Section 13 05 41, SEISMIC RESTRAINT REQUIREMENTS FO R NON-STRUCTURAL

COMPONENTS.

K. Section 23 05 12, GENERAL MOTOR REQUIREMENTS FOR HV AC and STEAM

GENERATION.

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L. Section 23 05 41, NOISE AND VIBRATION CONTROL FOR H VAC PIPING and

EQUIPMENT.

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

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

O. Section 23 09 23, DIRECT-DIGITAL CONTROL SYSTEM FOR HVAC.

P. Section 23 82 00, CONVECTION HEATING AND COOLING UN ITS.

Q. Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTA LLATIONS.

R. Section 26 05 19, LOW-VOLTAGE ELECTRICAL POWER COND UCTORS AND CABLES.

1.3 APPLICABLE PUBLICATIONS

A. The publications listed below form a part of this s pecification 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):

410-1996................Recommended Safety Practice s for Users and

Installers of Industrial and Commercial Fans

C. American Society of Mechanical Engineers (ASME):

B31.1-2018..............Power Piping

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

ASME Boiler and Pressure Vessel Code:

BPVC Section IX-2019 Welding, Brazing, and Fusing Q ualifications

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

A36/A36M-2014...........Standard Specification for Carbon Structural

Steel

A575-1996(R2018)........Standard Specification for Steel Bars, Carbon, Merchant Quality, M-Grades

E. Association for Rubber Products Manufacturers (ARPM ):

IP-20-2015..............Specifications for Drives U sing Classical

V-Belts and Sheaves

IP-21-2016..............Specifications for Drives U sing Double-V

(Hexagonal) Belts

IP-24-2016..............Specifications for Drives U sing Synchronous

Belts

IP-27-2015..............Specifications for Drives U sing Curvilinear

Toothed Synchronous Belts

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

Industry, Inc.:

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

Installation

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

Dynamic Design, Selection, and Application

G. Military Specifications (MIL):

MIL-P-21035B-2013.......Paint High Zinc Dust Conten t, Galvanizing

Repair (Metric)

H. National Fire Protection Association (NFPA):

70-2017.................National Electrical Code (N EC)

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

I. Department of Veterans Affairs (VA):

PG-18-10-2016...........Physical Security and Resil iency Design Manual

1.4 SUBMITTALS

A. Submittals, including number of required copies, sh all be submitted in accordance with Section 01 33 23, SHOP DRAWINGS, PR ODUCT DATA, AND

SAMPLES.

B. Information and material submitted under this secti on shall be marked

“SUBMITTED UNDER SECTION 23 05 11, COMMON WORK RESULTS FOR HVAC”, with applicable paragraph identification.

C. If the project is phased submit complete phasing pl an/schedule with manpower levels prior to commencing work. The phasi ng plan shall be detailed enough to provide milestones in the proces s that can be verified.

D. Contractor shall make all necessary field measureme nts and investigations to assure that the equipment and ass emblies will meet contract requirements, and all equipment that requi res regular maintenance, calibration, etc are accessable from t he floor or permanent work platform. It is the Contractor’s res ponsibility to ensure all submittals meet the VA specifications an d 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 n ot meet the VA specifications and there was no variance approval t he Contractor shall correct at no additional cost or time to the Govern ment even if a submittal was approved.

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E. If equipment is submitted which differs in arrangem ent from that shown, provide documentation proving equivalent performanc e, design standards and drawings that show the rearrangement of all ass ociated systems.

Additionally, any impacts on ancillary equipment or services such as foundations, piping, and electrical shall be the Co ntractor’s responsibility to design, supply, and install at no additional cost or time to the Government. VA approval will be given o nly if all features of the equipment and associated systems, including accessibility, are equivalent to that required by the contract.

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

G. Submittals and shop drawings for interdependent ite ms, containing applicable descriptive information, shall be furnis hed together.

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

H. Samples: Samples will not be required, except for i nsulation or where materials offered differ from specification require ments. Samples shall be accompanied by full description of characteristi cs different from specification. The Government, at the Government’s expense, will perform evaluation and testing if necessary. The Co ntractor 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 an d time will be made.

I. Coordination/Shop Drawings:

1. Submit complete consolidated and coordinated shop d rawings for all new systems, and for existing systems that are in t he same areas.

2. The coordination/shop drawings shall include plan v iews, 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). Cl early identify and dimension the proposed locations of the princip al items of equipment. The drawings shall clearly show location s and adequate clearance for all equipment, piping, valves, contro l panels and other items. Show the access means for all items re quiring access for operations and maintenance. Provide detailed co ordination/shop drawings of all piping and duct systems. The drawin gs shall

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23 05 11 - 9 include all lockout/tagout points for all energy/ha zard sources for each piece of equipment. Coordinate lockout/tag out 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 t he following:

a. Mechanical equipment rooms.

b. Hangers, inserts, supports, and bracing.

c. Pipe sleeves.

d. Duct or equipment penetrations of floors, walls, ce ilings, or roofs.

J. Manufacturer's Literature and Data: Include full it em description and optional features and accessories. Include dimensio ns, 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 com plete stress analysis for variable spring and constant support h angers.

6. Wall, floor, and ceiling plates.

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

L. HVAC Maintenance Data and Operating Instructions:

1. Maintenance and operating manuals in accordance wit h Section 01 00

00, GENERAL REQUIREMENTS, Article, INSTRUCTIONS, fo r systems and equipment.

2. Complete operating and maintenance manuals includin g wiring diagrams, technical data sheets, information for or dering replacement parts, and troubleshooting guide:

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

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

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

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

M. Provide copies of approved HVAC equipment submittal s to the TAB

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 appli cable codes as specified. The systems shall be comprised of high q uality institutional-class and industrial-class products o f manufacturers that are experienced specialists in the required product lines. All construction firms and personnel shall be experienc ed and qualified specialists in industrial and institutional HVAC.

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

C. Equipment Vibration Tolerance:

1. Refer to Section 23 05 41, NOISE AND VIBRATION CONT ROL FOR HVAC

PIPING and EQUIPMENT. Equipment shall be factory-ba lanced to this tolerance and re-balanced on site, as necessary.

2. After HVAC air balance work is completed and perman ent drive sheaves are in place, perform field mechanical bala ncing and adjustments required to meet the specified vibratio n tolerance.

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 spe cified 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. Howeve r, digital electronics devices, software and systems such as c ontrols, instruments, computer work station, shall be the cu rrent

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23 05 11 - 11 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 ad ditional requirements.

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

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

4. The products and execution of work specified in Div ision 33 shall conform to the referenced codes and standards as re quired by the specifications. Local codes and amendments shall be enforced, along with requirements of local utility companies. The most stringent requirements of these specifications, loc al codes, or utility company requirements shall always apply. An y 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 diffe rent models are required they shall be of the same manufacturer and identical to the greatest extent possible (i.e., same model seri es).

6. Assembled Units: Performance and warranty of all co mponents that make up an assembled unit shall be the responsibili ty of the manufacturer of the completed assembly.

7. Nameplates: Nameplate bearing manufacturer's name o r identifiable trademark shall be securely affixed in a conspicuou s place on equipment, or name or trademark cast integrally wit h equipment, stamped or otherwise permanently marked on each ite m of equipment.

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

E. HVAC Equipment Service Providers: Service providers shall be authorized and trained by the manufacturers of the equipment s upplied. These providers shall be capable of responding onsite and provide acceptable service to restore equipment operations within 4 ho urs 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 n umbers of service personnel and companies providing service under the se conditions for

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(as applicable to the project): fans, air handling units, control systems, pumps, critical instrumentation, computer workstation and programming.

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

1. Qualify welding processes and operators for piping according to

ASME BPVC Section IX. Provide proof of current cert ification.

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

Piping".

3. Certify that each welder and welding operator has p assed American

Welding Society (AWS) qualification tests for the w elding processes involved, and that certification is curre nt.

4. All welds shall be stamped according to the provisi ons of the AWS or ASME as required herein and by the associated co de.

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 proceed until th e recommendations are received. Failure to furnish these recommendati ons can be cause for rejection of the material and removal by the Contra ctor and no additional cost or time to the Government.

H. Execution (Installation, Construction) Quality:

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

Provide written hard copies and computer files on C D 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 proceed until th e recommendations are received and approved by the VA . Failure to furnish these recommendations is a cause for reject ion of the material.

2. All items that require access, such as for operatin g, cleaning, servicing, maintenance, and calibration, shall be e asily and safely accessible by persons standing at floor leve l, or standing on permanent platforms, without the use of portable ladders.

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Examples of these items include, but are not limite d to, all types of valves, filters and strainers, transmitters, con trol devices.

Prior to commencing installation work, refer confli cts 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 additiona l cost or time to the Government.

3. Complete coordination/shop drawings shall be requir ed in accordance with Article, SUBMITTALS. Construction w ork shall not start on any system until the coordination/shop dra wings have been approved by VA.

4. Workmanship/craftsmanship shall be of the highest q uality and standards. The VA reserves the right to reject any work based on poor quality of workmanship this work shall be remo ved and done again at no additional cost or time to the Governme nt.

I. Upon request by Government, provide lists of previo us installations for selected items of equipment. Include contact person s who will serve as references, with current telephone numbers and e-ma il addresses.

J. Guaranty: Warranty of Construction, FAR Clause 52.2 46-21.

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 th e equipment and material. The Contractor is solely responsible for the protection of such equipment and material against any damage o r theft.

2. Large equipment such as fans, and air handling unit s 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. Protect ion shall be kept in place until equipment is moved into a build ing or installed as designed.

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

COR. Such repair or replacement shall be at no addi tional cost or time to the Government.

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4. Protect interiors of new equipment and piping syste ms against entry of foreign matter. Clean both inside and outs ide before painting or placing equipment in operation.

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

6. Protect plastic piping and tanks from ultraviolet l ight

(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 deb ris 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 b eneficial use by the Government.

4. 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 t o include submittal review comments and any equipment substitutions.

B. Submit operation and maintenance data updated to in clude submittal review comments, VA approved substitutions and cons truction revisions shall be in electronic version on CD or DVD and ins erted into a three-ring binder. All aspects of system operation and ma intenance procedures, including applicable piping isometrics, wiring diagrams of all circuits, a written description of system desig n, 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 emerg ency situations.

Notes on all special systems or devices shall be in cluded. A List of recommended spare parts (manufacturer, model number , and quantity) shall be furnished. Information explaining any spec ial knowledge or tools the owner will be required to employ shall be inserted into the

As-Built documentation.

C. The installing Contractor shall maintain as-built d rawings of each completed phase for verification; and, shall provid e the complete set at the time of final systems certification testing. Should the

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23 05 11 - 15 installing Contractor engage the testing company to provide as-built or any portion thereof, it shall not be deemed a confl ict of interest or breach of the ‘third party testing company’ require ment. Provide record drawings as follows:

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

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

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

E. Certification documentation shall be provided to CO R 21 working days prior to submitting the request for final inspectio n. The documentation shall include all test results, the names of indivi duals performing work for the testing agency on this project, detail ed procedures followed for all tests, and provide documentation/c ertification that all results of tests were within limits specified. Test results shall contain written sequence of test procedure with wri tten test results annotated at each step along with the expected outc ome or setpoint. The results shall include all readings, including but n ot limited to data on device (make, model and performance characterist ics_), normal pressures, switch ranges, trip points, amp readings , and calibration data to include equipment serial numbers or individ ual identifications, etc.

1.8 JOB CONDITIONS – WORK IN EXISTING BUILDING

A. Building Operation: Government employees will be co ntinuously operating and managing all facilities, including temporary fa cilities that serve the VAMC.

B. Maintenance of Service: Schedule all work to permit continuous service as required by the VAMC.

C. Steam and Condensate Service Interruptions: Limited steam and condensate service interruptions, as required for i nterconnections of new and existing systems, will be permitted by the COR during periods when the demands are not critical to the operation of the VAMC. These non-critical periods are limited to between 8 pm an d 5 am in the appropriate off-season (if applicable). Provide at least 10 working days advance notice to the COR. The request shall i nclude a detailed

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23 05 11 - 16 plan on the proposed shutdown and the intended work to be done along with manpower levels. All equipment and materials s hall 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 detai led phasing plan/schedule with manpower levels prior to commenc ing work. The phasing plan shall be detailed enough to provide mi lestones in the process that can be verified.

E. Building Working Environment: Maintain the architec tural and structural integrity of the building and the working environme nt at all times.

Maintain the interior of building at 18 degrees C ( 65 degrees F) minimum. Limit the opening of doors, windows or oth er access openings to brief periods as necessary for rigging purposes. Storm water or ground water leakage is prohibited. Provide daily c lean-up of construction and demolition debris on all floor sur faces 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 deemed of beneficial use to the Government, inspect ions will be made and tests will be performed. Based on the inspectio ns, a list of contract deficiencies will be issued to the Contrac tor. After correction of deficiencies as necessary for benefic ial use, the

Contracting Officer will process necessary acceptan ce and the equipment will then be under the control and operation of Gov ernment personnel.

PART 2 - PRODUCTS

2.1 FACTORY-ASSEMBLED PRODUCTS

A. Provide maximum standardization of components to re duce spare part requirements.

B. Performance and warranty of all components that mak e up an assembled unit shall be the responsibility of the manufacture r of the completed assembly.

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

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

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

4. Contractor shall guarantee performance of assemblie s 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 ma nufacturer's name and trademark, model number, serial number and perf ormance 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 func tion, shall 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 compatib le in all respects with other items being furnished and with existing items so that the result will be a complete and fully operational pla nt that conforms to contract requirements.

2.3 V-BELT DRIVES – NOT USED

2.4 SYNCHRONOUS BELT DRIVES – NOT USED

2.5 DRIVE GUARDS

A. For machinery and equipment, provide guards as show n in AMCA 410 for belts, chains, couplings, pulleys, sheaves, shafts, gears and other moving parts regardless of height above the floor t o 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 he mmed and ends shall be bent into flanges and the flanges shall be drill ed and attached to pump base with minimum of four 6 mm (1/4 inch) bolt s. Reinforce guard as necessary to prevent side play forcing guard ont o couplings.

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

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25 mm (1 inch) diameter hole shall be provided at e ach 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) diamet er hole at each shaft center.

2.6 LIFTING ATTACHMENTS

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

2.7 ELECTRIC MOTORS

A. All material and equipment furnished and installati on methods shall conform to the requirements of all applicable proje ct specifications.

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 mo tors as scheduled.

2.8 VARIABLE SPEED MOTOR CONTROLLERS

A. Refer to Section 26 05 11, REQUIREMENTS FOR ELECTRI CAL INSTALLATIONS and Section 26 29 11, MOTOR CONTROLLERS for specifi cations.

B. Coordinate variable speed motor controller communic ation protocol with

Section 23 09 23, DIRECT-DIGITAL CONTROL SYSTEM FOR HVAC.

C. Provide variable speed motor controllers with or wi thout a bypass contactor as indicated in contract drawings.

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

E. Motors shall be premium efficiency type and be appr oved by the motor controller manufacturer. The controller-motor combi nation shall be guaranteed to provide full motor nameplate horsepow er in variable frequency operation. Both driving and driven motor/ fan sheaves shall be fixed pitch.

F. Controller shall not add any current or voltage tra nsients to the input ac power distribution system, DDC controls, sensiti ve medical

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23 05 11 - 19 equipment, etc., nor shall be affected from other d evices on the ac power system.

2.9 EQUIPMENT AND MATERIALS IDENTIFICATION

A. Use symbols, nomenclature and equipment numbers spe cified, shown on the contract documents and shown in the maintenance man uals. Identification for piping is specified in Section 09 91 00, PAINTI NG.

B. Interior (Indoor) Equipment: Engraved nameplates, w ith letters not less than 5 mm (3/16 inch) high of brass with black-fill ed letters, or rigid black plastic with white letters specified in Secti on 09 91 00, PAINTING permanently fastened to the equipment. Ide ntify unit components such as coils, filters, fans, etc.

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

D. Control Items: Label all instrumentation, temperatu re and humidity sensors, controllers and control dampers. Identify and label each item as they appear on the control diagrams.

E. Valve Tags and Lists:

1. HVAC and Mechanical Rooms: Provide for all valves o ther than for equipment in Section 23 82 00, CONVECTION HEATING A ND COOLING

UNITS and Section 23 36 00, AIR TERMNAL UNITS.

2. Valve tags: Engraved black filled numbers and lette rs 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 bras s "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 nu mber, valve function and area of control, for each service or s ystem. Punch sheets for a 3-ring notebook.

2.10 FIRESTOPPING

A. Section 07 84 00, FIRESTOPPING specifies an effecti ve barrier against the spread of fire, smoke and gases where penetrati ons occur for piping and ductwork. Refer to Section 23 07 11, HVAC AND B OILER PLANT

INSULATION, for firestop pipe and duct insulation.

2.11 GALVANIZED REPAIR COMPOUND

A. Mil-P-21035B, paint form.

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2.12 HVAC PIPE AND EQUIPMENT SUPPORTS AND RESTRAINTS

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

CONTROL FOR HVAC PIPING AND EQUIPMENT.

B. Supports for Roof Mounted Items:

1. Equipment: Equipment rails shall be galvanized stee l, minimum 1.3 mm (18 gauge), with integral baseplate, continuous welded corner seams, factory installed 50 by 100 mm (2 by 4 inche s) treated wood nailer, 1.3 mm (18 gauge) galvanized steel counter flashing cap with screws, built-in cant strip, (except for gypsu m or tectum deck), minimum height 275 mm (11 inches). For surfa ce insulated roof deck, provide raised cant strip to start at th e upper surface of the insulation.

2. Pipe/duct pedestals: Provide a galvanized Unistrut channel welded to U-shaped mounting brackets which are secured to side of rail with galvanized lag bolts.

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 requireme nts.

D. Attachment to Concrete Building Construction:

1. Concrete insert: MSS SP-58, Type 18.

2. Self-drilling expansion shields and machine bolt ex pansion anchors: Permitted in concrete not less than 100 mm (4 inches) thick when approved by the COR for each job conditi on.

3. Power-driven fasteners: Permitted in existing concr ete or masonry not less than 100 mm (4 inches) thick when approved by the COR for each job condition.

E. Attachment to Steel Building Construction:

1. Welded attachment: MSS SP-58, Type 22.

2. Beam clamps: MSS SP-58, Types 20, 21, 28 or 29. Typ e 23 C-clamp may be used for individual copper tubing up to 23 m m (7/8 inch) outside diameter.

F. Attachment to Metal Pan or Deck: As required for ma terials specified in

Section 05 31 00, STEEL DECKING.

G. Attachment to existing structure: Support from exis ting floor/roof frame.

H. Attachment to Wood Construction: Wood screws or lag bolts.

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I. Hanger Rods: Hot-rolled steel, ASTM A36/A36M or AST M A575 for allowable load listed in MSS SP-58. For piping, provide adjus tment means for controlling level or slope. Types 13 or 15 turn-buc kles shall provide

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

All-thread rods are acceptable.

J. Hangers Supporting Multiple Pipes (Trapeze Hangers) : Galvanized, cold formed, lipped steel channel horizontal member, not less than 41 mm by

41 mm (1-5/8 inches by 1-5/8 inches), 2.7 mm (12 ga uge), designed to accept special spring held, hardened steel nuts. Tr apeze hangers are prohibited for use 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 fabricat ed from steel rod. Provide Type 40 insulation shield, secured by two 15 mm (1/2 inch) galvanized steel bands, or preinsulated calci um silicate shield for insulated piping at each hanger.

K. Supports for Piping Systems:

1. Select hangers sized to encircle insulation on insu lated piping.

Refer to Section 23 07 11, HVAC AND BOILER PLANT IN SULATION for insulation thickness. To protect insulation, provid e Type 39 saddles for roller type supports or preinsulated ca lcium silicate shields. Provide Type 40 insulation shield or prein sulated calcium silicate shield at all other types of supports and hangers including those for preinsulated piping.

2. Piping Systems except High and Medium Pressure Stea m (MSS SP-58):

a. Standard clevis hanger: Type 1; provide locknut.

b. Riser clamps: Type 8.

c. Wall brackets: Types 31, 32 or 33.

d. Roller supports: Type 41, 43, 44 and 46.

e. Saddle support: Type 36, 37 or 38.

f. Turnbuckle: Types 13 or 15. Preinsulate.

g. U-bolt clamp: Type 24.

h. Copper Tube:

1) Hangers, clamps and other support material in conta ct with tubing shall be painted with copper colored epoxy p aint, plastic coated or taped with non-adhesive isolation tape to prevent electrolysis.

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2) For vertical runs use epoxy painted or plastic-coat ed riser clamps.

3) For supporting tube to strut: Provide epoxy painted pipe straps for copper tube or plastic inserted vibratio n isolation clamps.

4) Insulated Lines: Provide pre-insulated calcium sili cate shields sized for copper tube.

i. Supports for plastic piping: As recommended by the pipe manufacturer with black rubber tape extending one i nch beyond steel support or clamp.

L. Pre-insulated Calcium Silicate Shields:

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

2. Pre-insulated calcium silicate shields to be instal led 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 o f the pipe, the load it must carry, and the type of support it will 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 sup port the maximum allowable water filled span as indicated in MSS SP-58. To support the load, the shields may have one or more of the following features: structural inserts 4138 kPa (60 0 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 sup ports, roller supports or flat surfaces.

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

2.13 PIPE PENETRATIONS

A. Install sleeves during construction for other than blocked out floor openings for risers in mechanical bays.

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B. To prevent accidental liquid spills from passing to a lower level, provide the following:

1. For sleeves: Extend sleeve 25 mm (1 inch) above fin ished floor and provide sealant for watertight joint.

2. For blocked out floor openings: Provide 40 mm (1-1/ 2 inch) angle set in silicone adhesive around opening.

3. For drilled penetrations: Provide 40 mm (1-1/2 inch ) angle ring or square set in silicone adhesive around penetration.

C. Penetrations through beams or ribs are prohibited, but may be installed in concrete beam flanges. Any deviation from these requirements must receive prior approval of COR.

D. Sheet Metal, Plastic, or Moisture-resistant Fiber S leeves: Provide for pipe passing through floors, interior walls, and pa rtitions, unless brass or steel pipe sleeves are specifically called for below.

E. Cast Iron or Zinc Coated Pipe Sleeves: Provide for pipe passing through exterior walls below grade. Make space between slee ve and pipe watertight with a modular or link rubber seal. Seal shall be applied at both ends of sleeve.

F. Galvanized Steel or an alternate Black Iron Pipe wi th asphalt coating

Sleeves: Provide for pipe passing through concrete beam flanges, except where brass pipe sleeves are called for. Provide sl eeve for pipe passing through floor of mechanical rooms, laundry work rooms, and animal rooms above basement. Except in mechanical r ooms, connect sleeve with floor plate.

G. Brass Pipe Sleeves: Provide for pipe passing throug h quarry tile, terrazzo or ceramic tile floors. Connect sleeve wit h floor plate.

H. Sleeves are not required for wall hydrants for fire department connections or in drywall construction.

I. Sleeve Clearance: Sleeve through floors, walls, par titions, and beam flanges shall be one inch greater in diameter than external diameter of pipe. Sleeve for pipe with insulation shall be larg e enough to accommodate the insulation. Interior openings shall be caulked tight with fire stopping material and sealant to prevent the spread of fire, smoke, and gases.

J. Sealant and Adhesives: Shall be as specified in Sec tion 07 92 00, JOINT

SEALANTS.

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2.14 DUCT PENETRATIONS

A. Provide curbs for roof mounted piping, ductwork and equipment. Curbs shall be 450 mm (18 inches) high with continuously welded seams, built-in cant strip, interior baffle with acoustic insula tion, curb bottom, hinged curb adapter.

B. Provide firestopping for openings through fire and smoke barriers, maintaining minimum required rating of floor, ceili ng or wall assembly.

See section 07 84 00, FIRESTOPPING.

2.15 SPECIAL TOOLS AND LUBRICANTS

A. Furnish, and turn over to the COR, tools not readil y available commercially, that are required for disassembly or adjustment of equipment and machinery furnished.

B. Grease Guns with Attachments for Applicable Fitting s: One for each type of grease required for each motor or other equipmen t.

C. Refrigerant Tools: Provide system charging/Evacuati on equipment, gauges, fittings, and tools required for maintenanc e of furnished equipment.

D. Tool Containers: Hardwood or metal, permanently ide ntified for intended service and mounted, or located, where directed by the COR.

E. Lubricants: A minimum of 0.95 L (1 quart) of oil, a nd 0.45 kg (1 pound) of grease, of equipment manufacturer's recommended grade and type, in unopened containers and properly identified as to u se for each different application.

2.16 WALL, FLOOR AND CEILING PLATES

A. Material and Type: Chrome plated brass or chrome pl ated steel, one piece or split type with concealed hinge, with set screw for fastening to pipe, or sleeve. Use plates that fit tight aroun d pipes, cover openings around pipes and cover the entire pipe sle eve projection.

B. Thickness: Not less than 2.4 mm (3/32 inch) for flo or plates. For wall and ceiling plates, not less than 0.64 mm (0.025 in ch) for up to 80 mm

(3-inch pipe), 0.89 mm (0.035 inch) for larger pipe .

C. Locations: Use where pipe penetrates floors, walls and ceilings in exposed locations, in finished areas only. Provide a watertight joint in spaces where brass or steel pipe sleeves are spe cified.

2.17 ASBESTOS

A. Materials containing asbestos are prohibited.

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PART 3 - EXECUTION

3.1 GENERAL

A. If an installation is unsatisfactory to the COR, th e Contractor shall correct the installation at no additional cost or t ime 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 al l trades. The coordination/shop drawings shall be submitted for r eview. Locate piping, sleeves, inserts, hangers, ductwork and equ ipment clear of windows, doors, openings, light outlets, and other services and utilities. Equipment coordination/shop drawings sha ll be prepared to coordinate proper location and personnel access of all facilities. The drawings shall be submitted for review. Follow manu facturer's published recommendations for installation methods not otherw ise specified.

B. Operating Personnel Access and Observation Provisio ns: Select and arrange all equipment and systems to provide clear view and easy access, without use of portable ladders, for mainte nance and operation of all devices including, but not limited to: all e quipment items, valves, filters, strainers, transmitters, sensors, control devices. All gauges and indicators shall be clearly visible by p ersonnel standing on the floor or on permanent platforms. Do not reduce or change maintenance and operating space and access provisio ns that are shown on the contract documents.

C. Equipment and Piping Support: Coordinate structural systems necessary for pipe and equipment support with pipe and equipm ent locations to permit proper installation.

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

E. Cutting Holes:

1. Cut holes through concrete and masonry by rotary co re drill.

Pneumatic hammer, impact electric, and hand or manu al hammer type drill is prohibited, except as permitted by COR whe re working area space is limited.

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

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23 05 11 - 26 the Contractor considers it necessary to drill thro ugh structural members, this matter shall be referred to COR for a pproval.

3. Do not penetrate membrane waterproofing.

F. Minor Piping: Generally, small diameter pipe runs f rom drips and drains, water cooling, and other service are not sh own but shall be provided.

G. Electrical Interconnection of Instrumentation or Co ntrols: This generally not shown but shall be provided. This inc ludes interconnections of sensors, transmitters, transduc ers, control devices, control and instrumentation panels, instru ments and computer workstations. Devices shall be located so they are easily accessible for testing, maintenance, calibration, etc. The COR has the final determination on what is accessible and what is not . Comply with NFPA

70.

H. 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 manufac turer'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 sh afts and bearings where accessible, from rust prior to opera tion by means of protective…