Attch1_PWS-MedicineLakeHQrehabV2_240607_36pp.pdf

PROJECT WORK STATEMENT

24-014 – Medicine Lake National Wildlife Refuge

HQ Building – Replace AC Condensers

I. PROJECT SCOPE

A. Project Background

1. Medicine Lake National Wildlife Refuge is a 31,533-acre located in the northeastern region of Montana. The refuge was established in 1935 to protect habitat for various wildlife and especially migratory birds. In 1980, the Medicine Lake Site was designated as a National Natural Landmark by the National Park Service.

The Complex Headquarters Building’s (Asset #10026032) AC condensers have reached the end of their serviceable life and need to be replaced. Lennox Models # LCS13DC-048-230-01 (13 SEER 4 ton unit) & LCS13DC-060-230-01 (13 SEER 5 ton unit).

B. Work Covered by Contract Documents

Remove and properly dispose of the existing condensers and replace with units that have similar capacity per manufacturers specifications and 2021 IECC and 2023 NEC requirements.

Project Objectives:

• Disconnect and dispose of the current AC condensers.

• Install similar capacity AC Units.

II. PROJECT INFORMATION

1. Project Location: Medicine Lake NWR, Medicine Lake, Sheridan & Roosevelt County, Montana (See Attachment A).

2. Station Contact Information: Brooke Johns (Refuge Manager), Phone: (406)789-2305, Email:

brooke_johns@fws.gov and Robert Thompson (Maintenance), Phone: (406) 789-2305 Ext 104, Email:

robert_thompson@fws.gov

III. WORK UNDER SEPARATE CONTRACTS

1. In the event there is work being performed under a separate contract the Contractor shall cooperate fully with separate contractors so work on those contracts may be carried out smoothly, without interfering with or delaying work under this Contract or other contracts. Coordinate the Work of this Contract with work performed under separate contracts.

IV. ACCESS TO SITE

1. All operations of the Contractor (including storage of materials) upon Government premises shall be confined to areas authorized or approved by the Contracting Officer.

https://en.wikipedia.org/wiki/Montana mailto:brooke_johns@fws.gov mailto:robert_thompson@fws.gov

2. Limit use of Project site areas within the Contract limits indicated. Do not disturb portions of Project site beyond areas in which the Work is indicated.

a. Limits: Confine construction operations to the immediate area around the picnic structure.

b. Driveways, Walkways and Entrances: Keep driveways and loading areas, and entrances serving premises clear and available to Government, Government Representatives, and emergency vehicles at all times. Do not use these areas for parking or storage of materials.

3. Condition of Existing Building: Maintain portions of existing building affected by construction operations in a weather tight condition throughout construction period. Repair damage caused by construction operations.

V. COORDINATION WITH OCCUPANTS

1. Partial Government Occupancy: Government will occupy the other premises during entire construction period, with the exception of areas under construction. Cooperate with Station Manager during construction operations to minimize conflicts and facilitate usage. Perform the Work so as not to interfere with Government operations.

Maintain existing exits unless otherwise indicated.

a. Provide not less than 48 hours' notice to Government of activities that will affect Government's operations.

VI. COORDINATION WITH LOCAL UTILITIES

1. The Contractor shall be responsible for contracting and arranging with local utility for the termination, moving, or connection of utilities that serve existing buildings and ones that are planned to serve the new Work.

2. Local utilities that serve Medicine Lake NWR are:

a. Electric Provider: Montana/Dakota Utilities (800)638-3278

b. Natural Gas Provider: None (Propane)

c. Water Provider: Dry Prairie Rural Water – 406-787-5382

VII. WORK RESTRICTIONS

1. Work Restrictions, General: Comply with restrictions on construction operations. Comply with limitations on use of public streets and with other requirements of authorities having jurisdiction.

2. On-Site Work Hours: Limit work in the existing building to normal business working hours of 7:00 a.m. to 4:00 p.m., Monday through Friday, unless otherwise indicated.

a. Work on weekends will be restricted to Contracting Officers approval and at the Station Managers discretion.

b. No work will take place over observed Federal holidays.

3. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied unless permitted under the following conditions and then only after providing temporary utility services according to requirements indicated:

a. Notify Station Manager not less than 48 hours in advance of proposed utility interruptions.

4. Noise, Vibration, and Odors: Coordinate operations that may result in high levels of noise and vibration, odors, or other disruptions to the Government.

a. Notify Station Manager not less than 48 hours in advance of proposed disruptive operations.

5. Nonsmoking Building: Smoking is not permitted within the building or within 25 feet (8 m) of entrances, operable windows, or outdoor-air intakes.

VIII. PERMITS AND FEES

1. The Contractor shall be responsible for obtaining all necessary local, State, and Federal permits and licenses, and payment of related fees, per the Contract Clauses.

IV. MEANS AND METHOD

1. Means and methods of construction shall be such as the Contractor or subcontractors may choose; subject, however, to the Contracting Officer's right to reject means and methods proposed which:

a. Constitute a hazard to the work, persons, or property.

b. Will not produce finished work in accordance with terms of the contract.

c. Are contrary to specified means or methods included in the contract.

2. The right to reject means and methods of the Contractor or subcontractor shall not be construed or interpreted as acceptance of control of means and methods by the Contracting Officer.

3. The Contracting Officer's approval of means and methods or failure to exercise right to reject means and methods shall not relieve the Contractor of the obligation to complete the work required by the contract.

4. Total responsibility for control of all means and methods lies with the Contractor for all work.

V. SAFETY

1. The Contractor shall provide, erect and maintain all necessary barricades, suitable and sufficient flasher lights, flagmen, danger signals and signs, and shall take all necessary precautions for the protection of the work and the safety of the public. All ponds and water control structures shall remain accessible by vehicle. Roads closed to traffic shall be protected by effective barricades and shall be placed with acceptable warning signs. All barricades and obstructions shall be illuminated at night and all lights shall be kept burning from sunset until sunrise. Install appropriate traffic signs at crossroads and approaches to site as needed to direct affected public traffic. Specific signs and barricade requirements are detailed in the U.S. Department of Transportation, "Manual on Uniform Traffic Control Devices".

2. The Contractor shall assume full responsibility and liability for compliance with all applicable Federal, State, and local regulations pertaining to the protection of workers, visitors to the site, and persons occupying areas adjacent to the site, including the provisions of 29CFR1910 and 29CFR1926 of the Code of Federal Regulations.

The Contractor shall hold harmless the Government for failure to comply with any applicable safety or health regulation on the part of himself, his employees, or his subcontractors.

3. Provide personal safety equipment and training commensurate with the hazards which may exist at the work site. The personal safety equipment and training shall be determined by a thorough hazard analysis of all work site areas. The safety program available at all work sites shall include a minimum of:

a. One nonfreezing-type fire extinguisher in each workshop and shed used for storage of materials at the work site. Place in location readily accessible to construction personnel.

b. A first aid kit for use of construction personnel commensurate with size of project with items necessary for first aid treatment of all injuries.

c. The Contractor shall conduct regular onsite safety inspections and all construction personnel shall receive a safety orientation.

d. Post telephone numbers of nearest hospital, ambulance service or flight for life, and fire station in conspicuous location. Advise all workers of location of telephone numbers.

VI. ENVIRONMENTAL PROTECTION

1. The Contractor shall abate and control all environmental pollution arising from construction activities by complying with all applicable Federal, State, and local laws and regulations concerning environmental pollution control and abatement, as well as the specified requirements in this contract. Compliance with this requirement by subcontractors will be the responsibility of the Contractor.

2. Fossils and Artifacts

a. Should the Contractor discover any fossils or artifacts during construction operations, such objects shall become the property of the Government. The Contractor shall cease construction operations in the area of the "find," and immediately notify the station manager of such discovery. Construction operations may proceed in other areas not affected by this clause. Care shall be exercised by the Contractor not to damage fossils or artifacts uncovered during excavation operations.

b. Failure to comply with this requirement may be considered a violation of the Archeological Resources Protection Act of 1979 as amended. Destruction of historic and prehistoric sites and/or unauthorized collection of cultural materials can result in criminal and/or civil penalties. Penalties can include fines, prison sentences, and/or confiscation of equipment.

c. If the Contractor uses fill from a nongovernmental source to perform work that is required under this project, and a new borrow site is opened or an existing borrow area is expanded in order to obtain such materials, the Contractor shall assure that any new borrow area disturbance meet the requirements of Section 106 of the National Historic Preservation Act.

3. Abatement of Air Pollution

a. The Contractor shall comply with applicable Federal, State, and local laws and regulations concerning the prevention and control of air pollution.

b. Construction activities shall be performed in such a manner that air pollution will be held to a minimum.

c. Burning of materials, trees and brush, combustible construction materials, and rubbish will not be permitted. Construction debris shall be disposed of at a location designated by the Contracting Officer or hauled off the Station to an approved disposal site.

4. Prevention of Water Pollution

a. The Contractor is responsible for implementing the terms and requirements of the State of South

Dakota storm water discharge permit, as issued to the State under the National Pollution Discharge Elimination System (NPDES) by the Environmental Protection Agency (EPA). The Contractor shall apply for and execute all permits as required by the State of South Dakota regarding storm water discharge from the construction site. The Contractor shall submit to the Contracting Officer a copy of all permit applications and a copy of all approvals from the State. Allow the Government 10 days for review of the application package prior to submission.

b. During construction, the Contractor shall comply with all applicable Federal, State, and local laws and regulations concerning the control and abatement of water pollution.

c. The Contractor's construction activities shall be performed by methods that will prevent entrance or accidental spillage of solid matter, contaminants, debris, and other objectionable pollutants and wastes into streams, flowing or dry water-courses, lakes, ponds, and underground water sources. The

Contractor shall dispose of all pollutants such as petroleum products, rubbish, cement, concrete, etc., and objectionable material at a jurisdictionally accepted waste management facility.

d. Sanitary facilities, such as chemical toilets shall be located far enough from wells, live streams, or ponds to prevent pollution of the water.

e. Dewatering work for structure foundations or earthwork operations adjacent to or encroaching on streams or watercourses shall be conducted in a manner that prevents muddy water and eroded materials from entering streams or watercourses. This shall be accomplished by construction of intercepting ditches, bypass channels, barriers, settling ponds, or other approved means. Excavated material shall not be placed in or adjacent to watercourses where it can be washed away by high water or storm runoff.

5. Prevention of site contamination

a. The purpose of this section is to prevent invasive species from being introduced to the project work sites. This includes both plant and animal species. Invasive species can have long last detrimental effects at project sites at US Fish and Wildlife Service lands.

b. Prior to entrance to the work site, all equipment brought on site will be thoroughly washed to remove dirt, seeds, and plant parts. Any equipment that has been any body of water within the past 30 days will be thoroughly cleaned with hot water greater than 140 degree F (typically the temperature found at commercial truck washes) and dried for a minimum of five days before being used at this project site. In addition, before transporting equipment from the project site all visible mud, plants and fish/animals will be removed, all water will be eliminated, and the equipment will be thoroughly cleaned. Anything that came in contact with water will be cleaned and dried following the above procedure.

c. Environmental Litigation: Time lost due to work stoppage because of failure of the Contractor to comply with these requirements may not be the subject of a claim for extension of time, for additional costs, or damages.

VII. GENERAL COORDINATION PROCEDURES

1. Coordination: Coordinate construction operations included in different Sections of the Specifications to ensure efficient and orderly installation of each part of the Work. Coordinate construction operations, included in different Sections, which depend on each other for proper installation, connection, and operation.

a. Provide a construction schedule noting demolition activities, construction activities, deliveries, payments, etc., as needed to convey coordination information to the Contacting Officer, Contacting Officer’s Representative (COR), Government Inspector as well as local staff.

b. Schedule construction operations in sequence required to obtain the best results where installation of one part of the Work depends on installation of other components, before or after its own installation.

c. Coordinate installation of different components to ensure maximum performance and accessibility for required maintenance, service, and repair.

d. Make adequate provisions to accommodate items scheduled for later installation.

2. Prepare memoranda for distribution to each party involved, outlining special procedures required for coordination. Include such items as required notices, reports, and list of attendees at meetings.

a. Prepare similar memoranda for Owner and separate contractors if coordination of their Work is required.

3. Administrative Procedures: Coordinate scheduling and timing of required administrative procedures with other construction activities as well as any activities of other contractors to avoid conflicts and to ensure orderly progress of the Work. Such administrative activities include, but are not limited to, the following:

a. Preparation of Contractor's construction schedule.

b. Preparation of the Schedule Of Values.

c. Installation and removal of temporary facilities and controls.

d. Delivery and processing of submittals.

e. Progress meetings.

f. Pre-installation conferences.

g. Project closeout activities.

h. Startup and adjustment of systems.

VIII. PROJECT MEETINGS

1. General: Schedule and conduct meetings and conferences at Project site unless otherwise indicated.

a. Attendees: Inform participants and others involved, and individuals whose presence is required, of date and time of each meeting. Notify the Facility Director, the Contracting officer and the COR of scheduled meeting dates and times.

b. Agenda: Prepare the meeting agenda. Distribute the agenda to all invited attendees.

c. Minutes: Entity responsible for conducting meeting will record significant discussions and agreements achieved. Distribute the meeting minutes to everyone concerned, including the Contracting Officer and the COR, Construction Manager, and Architect, within three days of the meeting.

2. Preconstruction Conference: The Contracting Officer will schedule a preconstruction conference before starting construction, at a time convenient to the Contracting Officer, COR, Facility Director, On-Site Government Inspector and Contractor.

a. Attendees: Authorized representatives of the Contracting Officer, Government Project Manager, Owner's Commissioning Authority, Construction Manager, Architect, and their consultants; Contractor and its superintendent; major subcontractors; suppliers; and other concerned parties shall attend the conference. Participants at the conference shall be familiar with Project and authorized to conclude matters relating to the Work.

b. Agenda: Discuss items of significance that could affect progress, including the following:

i. Tentative construction schedule.

ii. Phasing.

iii. Critical work sequencing and long-lead items.

iv. Designation of key personnel and their duties.

v. Procedures for processing field decisions and Change Orders

vi. Procedures for RFIs.

vii. Procedures for testing and inspecting.

viii. Procedures for processing Applications for Payment.

ix. Distribution of the Contract Documents.

x. Submittal procedures.

xi. Preparation of record documents.

xii. Use of the premises and existing building.

xiii. Work restrictions.

xiv. Working hours.

xv. Owner's occupancy requirements.

xvi. Responsibility for temporary facilities and controls.

xvii. Procedures for moisture and mold control.

xviii. Procedures for disruptions and shutdowns.

xix. Construction waste management and recycling.

xx. Parking availability.

xxi. Office, work, and storage areas.

xxii. Equipment deliveries and priorities.

xxiii. First aid.

xxiv. Security.

xxv. Progress cleaning.

c. Minutes: Entity responsible for conducting meeting will record and distribute meeting minutes.

3. Progress Meetings: Conduct progress meetings at regular intervals as directed by the Contracting officer and/or the COR.

a. Attendees: In addition to representatives of the Government, Construction Manager, and Architect (as applicable), each contractor, subcontractor, supplier, and other entity concerned with current progress or involved in planning, coordination, or performance of future activities shall be represented at these meetings. All participants at the meeting shall be familiar with Project and authorized to conclude matters relating to the Work.

b. Agenda: Review and correct or approve minutes of previous progress meeting. Review other items of significance that could affect progress. Include topics for discussion as appropriate to status of Project.

i. Contractor's Construction Schedule: Review progress since the last meeting. Determine whether each activity is on time, ahead of schedule, or behind schedule, in relation to Contractor's construction schedule. Determine how construction behind schedule will be expedited; secure commitments from parties involved to do so. Discuss whether schedule revisions are required to ensure that current and subsequent activities will be completed within the Contract Time.

c. Review present and future needs of each entity present, including the following:

i. Interface requirements.

ii. Sequence of operations.

iii. Status of submittals.

iv. Deliveries.

v. Off-site fabrication.

vi. Access.

vii. Site utilization.

viii. Temporary facilities and controls.

ix. Progress cleaning.

x. Quality and work standards.

xi. Status of correction of deficient items.

xii. Field observations.

xiii. Status of RFIs.

xiv. Status of proposal requests.

xv. Pending changes.

xvi. Status of Change Orders.

xvii. Pending claims and disputes.

xviii. Documentation of information for payment requests.

4. Minutes: Entity responsible for conducting the meeting will record and distribute the meeting minutes to each party present and to parties requiring information.

a. Schedule Updating: Revise Contractor's construction schedule after each progress meeting where revisions to the schedule have been made or recognized. Issue revised schedule concurrently with the report of each meeting.

IX. USE CHARGES

1. General: Installation and removal of and use charges for temporary facilities shall be included in the Contract Sum unless otherwise indicated. Allow other entities to use temporary services and facilities without cost, including, but not limited to testing agencies, and authorities having jurisdiction.

2. Water and Sewer Service from Existing System:

a. Potable and Non-potable water from Governments existing water system is available for use without metering and without payment for uses directly related to the project. Provide connections and extensions of services as required for construction operations. This water source is not at the work site, but available nearby.

b. Sanitary Facilities: Use of Government existing toilet facilities will NOT be permitted. Contractor shall comply with the requirements within this section for temporary sanitary facilities.

3. Electric Power Service from Existing System:

a. Electric power from Stations existing system is available for use without metering and without payment for use directly related to the project. Provide connections and extensions of services as required for construction operations. However, this power source is not at the work site, but available nearby roughly 100 yards away. Contractor will be responsible for provide their own power source at the work site as needed. The power source shall not create undue or excessive noise. Coordinate this issue with the local staff.

X. INFORMATION SUBMITTALS

1. Erosion- and Sedimentation-Control Plan: Show compliance with requirements of EPA Construction General Permit or authorities having jurisdiction, whichever is more stringent.

XI. QUALITY ASSURANCE

1. Tests and Inspections: Arrange for authorities having jurisdiction to test and inspect each temporary utility before use. Obtain required certifications and permits.

2. Electric Service: Comply with NECA, NEMA, and UL standards and regulations for temporary electric service.

Install service to comply with NFPA 70.

XII. INSTALLATION

1. Locate facilities where they will serve Project adequately and result in minimum interference with performance of the Work. Relocate and modify facilities as required by progress of the Work.

a. Locate facilities to limit site disturbance.

2. Provide each facility ready for use when needed to avoid delay. Do not remove until facilities are no longer needed or are replaced by authorized use of completed permanent facilities.

XIII. TEMPORARY UTILITY INSTALLATION

1. General: Install temporary service or connect to existing service.

a. Arrange with utility company, Owner, and existing users for time when service can be interrupted, if necessary, to make connections for temporary services.

2. Sanitary Facilities:

a. Toilets: Use of Owner's existing toilet facilities will be permitted, as long as facilities are cleaned and maintained in a condition acceptable to Owner. At Substantial Completion, restore these facilities to condition existing before initial use.

3. Electric Power Service:

a. Provide electric power service and distribution system of sufficient size, capacity, and power characteristics required for construction operations.

XIV. SUPPORT FACILITIES INSTALLATION

1. Temporary Roads and Paved Areas: Construct and maintain temporary roads and paved areas adequate for construction operations. Locate temporary roads and paved areas as coordinated with the local staff.

2. Traffic Controls: Comply with requirements of authorities having jurisdiction.

a. Protect existing site improvements to remain including curbs, pavement, and utilities.

b. Maintain access for fire-fighting equipment and access to fire hydrants.

3. Parking: use areas designated by Contracting Officer or Station Manager as parking areas for construction personnel.

4. Project Signs: Provide Project signs as indicated. Unauthorized signs are not permitted.

a. Temporary Signs: Provide other signs as indicated and as required to inform public and individuals seeking entrance to Project.

i. Provide temporary, directional signs for construction personnel and visitors.

b. Maintain and touchup signs so they are legible at all times.

XV. SECURITY AND PROTECTION FACILITIES INSTALLATION

1. Protection of Existing Facilities: Protect existing vegetation, equipment, structures, utilities, and other improvements at Project site and on adjacent properties, except those indicated to be removed or altered.

Repair damage to existing facilities.

2. Barricades, Warning Signs, and Lights: Comply with requirements of authorities having jurisdiction for erecting structurally adequate barricades, including warning signs and lighting.

3. Temporary Egress: Maintain temporary egress from existing occupied facilities as indicated and as required by authorities having jurisdiction.

4. Temporary Enclosures: Provide temporary enclosures for protection of construction, in progress and completed, from exposure, foul weather, other construction operations, and similar activities. Provide temporary weathertight enclosure for building exterior.

XVI. OPERATION, TERMINATION, AND REMOVAL

1. Temporary Facility Changeover: Do not change over from using temporary security and protection facilities to permanent facilities until Substantial Completion.

2. Termination and Removal: Remove each temporary facility when need for its service has ended, when it has been replaced by authorized use of a permanent facility, or no later than Substantial Completion. Complete or, if necessary, restore permanent construction that may have been delayed because of interference with temporary facility. Repair damaged Work, clean exposed surfaces, and replace construction that cannot be satisfactorily repaired.

XVII. SECTION 260500 - COMMON WORK RESULTS FOR HVAC

PART 1 - GENERAL

1.1 DESCRIPTION

A. The requirements of this Section apply to all sections of Division 23, HEATING, VENTILATING, AND AIR

CONDITIONING (HVAC).

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. 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. CD: Compact Disk

19. CFM: Cubic Foot Per Minute

20. CH: Chilled Water Supply

21. CHR: Chilled Water Return

22. CLR: Color

23. CO: Carbon Monoxide

24. COR: Contracting Officer’s Representative

25. CPD: Condensate Pump Discharge

26. CPM: Cycles Per Minute

27. CPVC: Chlorinated Polyvinyl Chloride

28. CRS: Corrosion Resistant Steel

29. CTPD: Condensate Transfer Pump Discharge

30. CTPS: Condensate Transfer Pump Suction

31. CW: Cold Water

32. CWP: Cold Working Pressure

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(60 psig) and above)

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. klb: 1000 lb

73. lb: Pound

74. lb/hr: Pounds Per Hour

75. LPS: Low Pressure Steam(15 psig) and below)

76. LPR: Low Pressure Steam Condensate Gravity Return

77. MAWP: Maximum Allowable Working Pressure

78. MAX: Maximum

79. MBtu/h: 1000 Btu/h

80. MBtu: 1000 Btu

81. MED: Medical

82. m: Meter

83. MFG: Manufacturer

84. MIN: Minimum

85. MJ: Megajoules

86. MPS: Medium Pressure Steam(16 psig) through(60 psig)

87. MPR: Medium Pressure Steam Condensate Return

88. MW: Megawatt

89. NC: Normally Closed

90. NF: Oil Free Dry (Nitrogen)

91. Nm: Newton Meter

92. NO: Normally Open

93. NOx: Nitrous Oxide

94. NPT: National Pipe Thread

95. NPS: Nominal Pipe Size

96. OD: Outside Diameter

97. OSD: Open Sight Drain

98. OS&Y: Outside Stem and Yoke

99. PC: Pumped Condensate

100. PID: Proportional-Integral-Differential

101. PLC: Programmable Logic Controllers

102. PP: Polypropylene

103. PPE: Personal Protection Equipment

104. ppb: Parts Per Billion

105. ppm: Parts Per Million

106. PRV: Pressure Reducing Valve \

107. PSIA: Pounds Per Square Inch Absolute

108. psig: Pounds Per Square Inch Gauge

109. PTFE: Polytetrafluoroethylene

110. PVC: Polyvinyl Chloride

111. PVDC: Polyvinylidene Chloride Vapor Retarder Jacketing, White

112. PVDF: Polyvinylidene Fluoride

113. rad: Radians

114. RH: Relative Humidity

115. RO: Reverse Osmosis

116. rms: Root Mean Square

117. RPM: Revolutions Per Minute

118. RS: Refrigerant Suction

119. RTD: Resistance Temperature Detectors

120. RTRF: Reinforced Thermosetting Resin Fittings

121. RTRP: Reinforced Thermosetting Resin Pipe

122. SCFM: Standard Cubic Feet Per Minute

123. SPEC: Specification

124. SPS: Sterile Processing Services

125. STD: Standard

126. SDR: Standard Dimension Ratio

127. SUS: Saybolt Universal Second

128. SW: Soft water

129. SWP: Steam Working Pressure

130. TAB: Testing, Adjusting, and Balancing

131. TDH: Total Dynamic Head

132. TEFC: Totally Enclosed Fan-Cooled

133. TFE: Tetrafluoroethylene

134. THERM: 100,000 Btu

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

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

137. T/P: Temperature and Pressure

138. USDA: U.S. Department of Agriculture

139. V: Volt

140. VAC: Vacuum

141. VAC: Voltage in Alternating Current

142. VR: Vacuum condensate return

143. WCB: Wrought Carbon Steel, Grade B

144. WG: Water Gauge or Water Column

145. WOG: Water, Oil, Gas

1.2 RELATED WORK

A. Section 01 74 19, CONSTRUCTION WASTE MANAGEMENT.

B. Section 07 92 00, JOINT SEALANTS.

C. GENERATION EQUIPMENT.

1.3 APPLICABLE PUBLICATIONS

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

B. Air Conditioning, Heating, and Refrigeration Institute (AHRI): 430 2020. Performance Rating of Central Station Air Handling Unit Supply Fans

C. Air Movement and Control Association (AMCA):

410-1996 Recommended Safety Practices for Users and Installers of Industrial and Commercial Fans

D. American Society of Mechanical Engineers (ASME):

B31.1-2020 Power Piping

B31.9-2020, Building Services Piping ASME Boiler and Pressure Vessel Code

BPVC Section IX-2021 Welding, Brazing, and Fusing Qualifications

E. American Society for Testing and Materials (ASTM): A36/A36M-2019, Standard Specification for Carbon Structural Steel A575-2020 Standard Specification for Steel Bars, Carbon, Merchant Quality, M-Grades

F. 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

IP-24-2016 Specifications for Drives Using Synchronous Belts

IP-27-2015 Specifications for Drives Using Curvilinear Toothed Synchronous Belts

G. Manufacturers Standardization Society of the Valve and Fittings Industry, Inc.(MSS):

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. National Fire Protection Association (NFPA):

70-2020 National Electrical Code (NEC)

101-2021 Life Safety Code

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 11, COMMON WORK RESULTS FOR HVAC”, with applicable paragraph identification.

C. Contractor shall make all necessary field measurements and investigations to assure that the equipment and assemblies will meet contract requirements, and all equipment that requires regular maintenance, calibration, etc are accessable from the floor or permanent work platform. It is the Contractor’s responsibility to ensure all submittals meet the Government specifications and requirements and it is assumed by the Government that all submittals do meet the 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 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.

D. If equipment is submitted which differs in arrangement from that shown, provide documentation proving equivalent performance, design standards and drawings that show the rearrangement of all associated systems. Additionally, any impacts on ancillary equipment or services such as foundations, piping, and electrical shall be the Contractor’s responsibility to design, supply, and install at no additional cost or time to the Government. Government approval will be given only if all features of the equipment and associated systems, including accessibility, are equivalent to that required by the contract.

E. 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.

F. 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.

G. 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 Refuge Manager.

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.

H. Manufacturer's Literature and Data Including: Full item description and optional features and accessories.

Include dimensions, weights, materials, applications, standard compliance, model numbers, size, and capacity. Submit under the pertinent section rather than under this section.

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

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

3. Equipment and materials identification.

4. Fire-stopping materials.

5. Hangers, inserts, supports and bracing. Provide complete stress analysis for variable spring and constant support hangers.

6. Wall, floor, and ceiling plates.

I. 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 intended access, and qualifications of the operator and signal person.

J. HVAC 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 for belts: Belt manufacturer, model number, size and style, and distinguished whether of multiple belt sets.

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

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

1.5 QUALITY ASSURANCE

A. Mechanical, electrical and associated systems shall be safe, reliable, efficient, durable, easily and safely operable and maintainable, easily and safely accessible, and in compliance with applicable codes as specified. 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.

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

HVAC.

C. Equipment Vibration Tolerance:

1. Equipment shall be factory-balanced to this tolerance and re-balanced onsite, as necessary per manufacturer’s specifictions.

2. After HVAC air balance work is completed and permanent drive sheaves are in place, perform field mechanical balancing and adjustments required to meet the specified vibration 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 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 23 sections shall conform to the referenced codes and standards as required by the specifications. Local codes and amendments shall be enforced, along with requirements of local utility companies. The most stringent requirements of these specifications, local codes, or utility company requirements shall always apply. Any conflicts shall be brought to the attention of the COR.

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

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

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

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

E. HVAC Equipment Service Providers: Service providers shall be authorized and trained by the manufacturers of the equipment supplied. These providers shall be capable of responding onsite and provide acceptable service to restore equipment operations within (4) hours of receipt of notification by phone, e-mail or fax in event of an emergency, such as the shutdown of equipment; or within (24) hours in a non-emergency.

Submit names, mail and e-mail addresses and phone numbers of service personnel and companies providing service under these conditions for (as applicable to the project): fans, air handling units, chillers, cooling towers, 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 that welders comply with the following requirements:

1. HVAC mechanical systems welding shall meet ASME BPVC Section IX. Provide proof of current certification.

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

3. Certify that each welder and welding operator has passed American Welding Society (AWS) qualification tests for the welding processes involved, and that certification is current.

4. All welds shall be stamped according to the provisions of the AWS or ASME as required herein and by the associated code.

G. Manufacturer's Recommendations: Where installation procedures or any part thereof are required to be in accordance with the recommendations of the manufacturer of the material being installed, printed copies of these recommendations shall be furnished to the COR with submittals. Installation of the item will not be allowed to proceed until the recommendations are received. Failure to furnish these recommendations can be cause for rejection of the material and removal by the Contractor and no additional cost or time to the Government.

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 will not be allowed to proceed until the recommendations are received and approved by the Government. 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 will result in the Contractor correcting at no additional cost or time to the Government.

3. Complete coordination/shop drawings shall be required in accordance with paragraph SUBMITTALS.

Construction work shall not start on any system until the coordination/shop drawings have been approved by Contracting Officer Representative.

4. Workmanship/craftsmanship will be of the highest quality and standards. The Government 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 will serve as references, with current telephone numbers and e-mail addresses.

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

K. Refer to Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS for additional sustainable design requirements.

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, chillers, cooling towers, fans, and air handling units if shipped on open trailer trucks shall be covered with shrink on plastics or water proof tarpaulins that provide protection from exposure to rain, road salts and other transit hazards. Protection shall be kept in place until equipment is moved into a building or installed as designed.

3. Repair damaged equipment in first class, new operating condition and appearance; or, replace same as determined and directed by the COR. Such repair or replacement shall be at no additional cost or time to the Government.

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

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

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

B. Cleanliness of Piping and Equipment Systems:

1. Exercise care in storage and handling of equipment and piping material to be incorporated in the work.

Remove debris arising from cutting, threading and welding of piping.

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

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

4. Boilers shall be left clean following final internal inspection by Government, insurance representative, or inspector.

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

1.7 AS-BUILT DOCUMENTATION

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

B. Submit operation and maintenance data updated to include submittal review comments, Government approved substitutions and construction revisions shall be inserted into a three-ring binder. All aspects of system operation and maintenance procedures, including applicable piping isometrics, wiring diagrams of all circuits, a written description of system design, control logic, and sequence of operation shall be included in the operation and maintenance manual. The operations and maintenance manual shall include troubleshooting techniques and procedures for emergency situations. Notes on all special systems or devices shall be included. A List of recommended spare parts (manufacturer, model number, and quantity) shall be furnished. Information explaining any special knowledge or tools the owner will be required to employ shall be inserted into the As-Built documentation.

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

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

2. As-built drawings are to be provided, with a copy of them on AutoCAD version 2022 provided on CD or DVD. The CAD drawings shall use multiple line layers with a separate individual layer for each system.

D. The as-built drawings shall indicate the location and type…