SRC_MIP_WWTP_Oct_2024_Vol_3_-_Specifications.pdf

Project No. D3575101 this project, contact:

For information regarding

Prepared for the

WASTE WATER TREATMENT PLANT

MILTON INTERCHANGE PARK

PHONE: 850-941-7282

PENSACOLA, FL 32502

SUITE 350

25 WEST CEDAR STREET,

SCOTT JERNIGAN

COUNTY COMMISSONERS

SANTA ROSA COUNTY BOARD OF

OCTOBER 2024

BID DOCUMENTS

Specifications Volume 3 of 4

SANTA ROSA COUNTY BOARD OF COUNTY COMMISSONERS

SANTA ROSA COUNTY, FL

CONTRACT DOCUMENTS

for the construction of the

MILTON INTERCHANGE PARK

WASTE WATER TREATMENT PLANT

JACOBS

Pensacola, FL

October 2024

© Jacobs 2024. All rights reserved.

Project No. D3575101 Copy No.

MILTON INTERCHANGE PARK WWTP

PW\JA\SANTA ROSA COUNTY\D3575101 TABLE OF CONTENTS

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TABLE OF CONTENTS

Pages

TECHNICAL SPECIFICATIONS

DIVISION 1—GENERAL REQUIREMENTS

01 11 00 Summary of Work ................................................................. 1- 2 01 26 00 Contract Modification Procedures .......................................... 1- 7 01 29 00 Payment Procedures ............................................................... 1- 8 01 31 13 Project Coordination .............................................................. 1- 6 01 31 19 Project Meetings .................................................................... 1- 3 01 32 00 Construction Progress Documentation.................................... 1- 7 01 33 00 Submittal Procedures ............................................................. 1- 10

Supplement 1, Transmittal of Contractor’s Submittal ............. 1- 1 01 42 13 Abbreviations and Acronyms ................................................. 1- 5 01 43 33 Manufacturers’ Field Services ................................................ 1- 4

Supplement 1, Manufacturer’s Certificate of Proper Installation .................................................................. 1- 1

01 45 16.13 Contractor Quality Control ..................................................... 1- 9 01 45 33 Special Inspection, Observation, and Testing ......................... 1- 6

Supplement 1, Contractor’s Statement of Responsibility ........ 1- 2 Supplement 2, Fabricator’s Certificate of Compliance ............ 1- 1 Supplement 3, Statement of Special Inspections ..................... 1- 3 Supplement 4, Structural Tables 1 Through 6 ......................... 1- 20

01 50 00 Temporary Facilities and Controls ......................................... 1- 13 01 57 13 Temporary Erosion and Sediment Control .............................. 1- 28 01 61 00 Common Product Requirements ............................................. 1- 8

Supplement 1, Manufacturer’s Certificate of Compliance ....... 1- 1 01 64 00 Owner-Furnished Products ..................................................... 1- 4

Supplement 1, Engineering Submittal, Kusters Water Project, August 7, 2024 ....................................................................... 1-1017 Supplement 2, Engineering Submittal, Zima Submittal Package, March 18, 2024 ...................................................................... 1-862

01 77 00 Closeout Procedures ............................................................... 1- 4 01 78 23 Operation and Maintenance Data ........................................... 1- 7

Supplement 1, Forms: Maintenance Summary Form ............... 1- 2 01 88 15 Anchorage and Bracing .......................................................... 1- 7 01 91 14 Equipment Testing and Facility Startup .................................. 1- 6

Supplement 1, Unit Process Startup Form ................................ 1- 1 Supplement 2, Facility Performance Demonstration/ Certification Form .................................................................. 1- 1

Pages

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DIVISION 2—EXISTING CONDITIONS

02 94 10 Gravel Media ......................................................................... 1- 11 Supplement 1, Appendix A: Inlet Gravel Media and Pea Gravel Form .......................................................................... 1- 3

DIVISION 3—CONCRETE

03 24 00 Fibrous Reinforcing ............................................................... 1- 3 03 30 10 Structural Concrete ................................................................ 1- 27

Supplement 1, Concrete Mix Design, Class 5000F3S1W2C2 . 1- 3 Supplement 2, Concrete Mix Design, Class CF00F2S1P0C1 . 1- 2 Supplement 3, Geotechnical Design Considerations TM, December 1, 2023 .................................................................. 1- 29

03 40 00 Precast Concrete .................................................................... 1- 8 03 62 00 Grouting ................................................................................ 1- 11

Supplement 1, 24-hour Evaluation of Nonshrink Grout Test Form and Grout Testing Procedures ............................... 1- 3

03 63 00 Concrete Doweling ................................................................ 1- 5

DIVISION 4—MASONRY

04 22 00 Concrete Unit Masonry .......................................................... 1- 16

DIVISION 5—METALS

05 05 19 Post-Installed Anchors ........................................................... 1- 10 05 05 23 Welding ................................................................................. 1- 6

Supplement 1, Welding and Nondestructive Testing Table .... 1- 2 05 12 00 Structural Steel Framing ........................................................ 1- 15 05 31 00 Steel Decking ........................................................................ 1- 6 05 41 00 Structural Metal Stud Framing ............................................... 1- 9 05 50 00 Metal Fabrications ................................................................. 1- 19 05 52 16 Aluminum Railings ................................................................ 1- 9 05 53 00 Metal Gratings ....................................................................... 1- 6

DIVISION 6—WOOD, PLASTICS, AND COMPOSITES

06 10 00 Rough Carpentry ................................................................... 1- 7 06 41 00 Architectural Wood Casework ............................................... 1- 6

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DIVISION 7—THERMAL AND MOISTURE PROTECTION

07 21 00 Thermal Insulation ................................................................. 1- 5 07 21 40 Foamed-in-Place Masonry Wall Insulation ............................. 1- 3 07 26 16 Belowgrade Vapor Retarders ................................................. 1- 5 07 41 13 Metal Roof Panels .................................................................. 1- 9 07 62 00 Sheet Metal Flashing and Trim .............................................. 1- 8 07 70 01 Roof Specialties and Accessories ........................................... 1- 3 07 84 00 Firestopping ........................................................................... 1- 5 07 92 00 Joint Sealants ......................................................................... 1- 8

DIVISION 8—OPENINGS

08 11 16 Aluminum Doors and Frames ................................................ 1- 6 08 14 00 Wood Doors........................................................................... 1- 4 08 33 23 Overhead Coiling Doors ........................................................ 1- 6 08 41 13 Aluminum Windows and Storefront Assemblies .................... 1- 11 08 71 00 Door Hardware ...................................................................... 1- 13 08 80 00 Glazing .................................................................................. 1- 12 08 90 00 Louvers and Vents ................................................................. 1- 5

DIVISION 9—FINISHES

09 22 16 Nonstructural Metal Framing ................................................. 1- 4 09 29 00 Gypsum Board ....................................................................... 1- 12 09 30 00 Tiling ..................................................................................... 1- 7 09 65 01 Resilient Base ........................................................................ 1- 4 09 67 00 Fluid-Applied Resinous Flooring ........................................... 1- 8 09 90 00 Painting and Coating .............................................................. 1- 27

Supplement 1, Paint System Data Sheet (PSDS) .................... 1- 1 Supplement 2, Paint Product Data Sheet (PPDS) .................... 1- 1

DIVISION 10—SPECIALTIES

10 14 00 Signage .................................................................................. 1- 5 Supplement 1, Sign Schedule ................................................. 1- 2

10 21 13.19 Plastic Toilet Compartments .................................................. 1- 6 10 28 00 Toilet Accessories .................................................................. 1- 4 10 44 00 Portable Fire and Safety Equipment ....................................... 1- 5 10 73 16 Aluminum Canopy and Awning System................................. 1- 5 10 80 00 Miscellaneous Specialties ...................................................... 1- 5

DIVISION 11—EQUIPMENT (NOT USED)

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DIVISION 12—FURNISHINGS

12 24 13 Roller Window Shades .......................................................... 1- 7 12 35 53 Laboratory Casework ............................................................. 1- 15 12 36 61.16 Solid Surfacing Countertops .................................................. 1- 5 12 50 00 Furniture ................................................................................ 1- 11

DIVISION 13—SPECIAL CONSTRUCTION

13 34 19 Metal Building Systems ......................................................... 1- 15 13 34 23 Prefabricated Buildings .......................................................... 1- 9

DIVISIONS 14 THROUGH 21 (NOT USED)

DIVISION 22—PLUMBING

22 07 00 Plumbing Piping Insulation .................................................... 1- 7 22 10 01 Plumbing Piping and Accessories .......................................... 1- 22 22 10 01.02 Polyvinyl Chloride Drain Waste and Vent (PVC-DWV)

Pipe and Fittings .................................................................... 1- 1 22 10 01.06 Acid-Resistant Polypropylene Waste and Vent Pipe............... 1- 1 22 30 00 Plumbing Equipment ............................................................. 1- 6 22 40 00 Plumbing Fixtures.................................................................. 1- 11

DIVISION 23—HEATING, VENTILATING, AND AIR-CONDITIONING

(HVAC)

23 05 93 Testing, Adjusting, and Balancing for HVAC ........................ 1- 6 23 07 00 HVAC Insulation ................................................................... 1- 9 23 09 00 Instrumentation and Control Devices for HVAC .................... 1- 13 23 09 13 HVAC Controls, Field Components, and Instruments ............ 1- 7 23 09 23 Direct-Digital Control System for HVAC .............................. 1- 13 23 23 00 Refrigerant Piping.................................................................. 1- 8 23 31 13 Metal Ducts and Accessories ................................................. 1- 24 23 34 00 HVAC Fans ........................................................................... 1- 12 23 37 00 Air Outlets and Inlets ............................................................. 1- 4 23 81 00 Unitary Air-Conditioning Equipment ..................................... 1- 17 23 82 00 Terminal Heating and Cooling Units ...................................... 1- 5

DIVISIONS 24 THROUGH 25 (NOT USED)

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DIVISION 26—ELECTRICAL

26 05 02 Basic Electrical Requirements ................................................ 1- 13 26 05 04 Basic Electrical Materials and Methods .................................. 1- 17 26 05 05 Conductors............................................................................. 1- 18 26 05 26 Grounding and Bonding for Electrical Systems ...................... 1- 6 26 05 33 Raceway and Boxes ............................................................... 1- 29 26 05 70 Electrical Systems Analysis ................................................... 1- 9

Supplement 1, Figure 1: Example Arc Flash Label ................. 1- 1 26 08 00 Commissioning of Electrical Systems .................................... 1- 24 26 20 00 Low-Voltage AC Induction Motors ........................................ 1- 14 26 22 00 Low-Voltage Transformers .................................................... 1- 4 26 24 13 Low-Voltage Switchboard ..................................................... 1- 31

Supplement 1, PLC I/O Data Exchange List ........................... 1- 2 26 24 16 Panelboards............................................................................ 1- 8 26 24 19 Low-Voltage Motor Control................................................... 1- 15 26 27 26 Wiring Devices ...................................................................... 1- 11 26 29 23 Low-Voltage Adjustable Frequency Drive System ................. 1- 18 26 32 13.13 Diesel Engine Generator Set .................................................. 1- 27

Supplement 1, Project Sizing Report ...................................... 1- 4 26 41 00 Facility Lightning Protection .................................................. 1- 6 26 43 00 Surge Protective Devices ....................................................... 1- 6 26 50 00 Lighting ................................................................................. 1- 20

DIVISIONS 27 THROUGH 30 (NOT USED)

DIVISION 31—EARTHWORK

31 10 00 Site Clearing .......................................................................... 1- 5 31 23 13 Subgrade Preparation ............................................................. 1- 3 31 23 16 Excavation ............................................................................. 1- 5 31 23 16.01 Borrow Excavation ................................................................ 1- 2 31 23 23 Fill and Backfill ..................................................................... 1- 12 31 23 23.15 Trench Backfill ...................................................................... 1- 9 31 32 00 Soil Stabilization .................................................................... 1- 7 31 32 19.16 Geotextile .............................................................................. 1- 6

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DIVISION 32—EXTERIOR IMPROVEMENTS

32 11 23 Aggregate Base and Subbase Courses .................................... 1- 4 32 12 16 Asphalt Paving ...................................................................... 1- 8 32 16 00 Curbs and Gutters .................................................................. 1- 5 32 17 23 Pavement Markings ............................................................... 1- 6 32 31 13 Chain Link Fences and Gates ................................................. 1- 14 32 91 13 Soil Preparation ..................................................................... 1- 5 32 92 00 Turf and Grasses .................................................................... 1- 7 32 93 10 Constructed Wetlands Preparation and Planting ..................... 1- 12

DIVISION 33—UTILITIES

33 05 16.13 Precast Concrete Utility Structure .......................................... 1- 4 33 47 13.05 Pond and Reservoir Liners—Natural Clay ............................. 1- 9

DIVISION 34—TRANSPORTATION (NOT USED)

DIVISION 35—WATERWAY AND MARINE CONSTRUCTION

35 20 16.25 Fabricated Slide Gates ........................................................... 1- 9 Supplement 1, Slide Gate Schedule ........................................ 1- 1

DIVISIONS 36 THROUGH 39 (NOT USED)

DIVISION 40—PROCESS INTEGRATION

40 05 15 Piping Support Systems ......................................................... 1- 11 Supplement 1, Table 1: Nonchemical Areas ........................... 1- 1 Supplement 2, Table 2: Chemical Areas................................. 1- 1

40 05 33 Pipe Heat Tracing .................................................................. 1- 6 40 27 00 Process Piping—General ....................................................... 1- 22

Supplement 1, Piping Legend Schedule ................................. 1- 2 Supplement 2, Piping Schedule .............................................. 1- 5

40 27 00.01 Cement-Mortar, Glass and Ceramic-Epoxy-Lined Ductile Iron Pipe and Fittings .................................................................... 1- 4

40 27 00.08 Stainless Steel Pipe and Fittings—General Service ................ 1- 3 40 27 00.10 Polyvinyl Chloride (PVC) Pipe and Fittings ........................... 1- 2 40 27 00.11 Chlorinated Polyvinyl Chloride (CPVC) Pipe and

Fittings .................................................................................. 1- 2

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40 27 01 Process Piping Specialties ...................................................... 1- 14 40 27 02 Process Valves and Operators ................................................ 1- 14

Supplement 1, Self-Regulated Valve Schedule ....................... 1- 1 Supplement 2, Electric Motor Actuator Schedule ................... 1- 1

40 42 13 Process Piping Insulation ....................................................... 1- 7 Supplement 1, Service and Insulation Thickness Table .......... 1- 1

40 80 01 Process Piping Leakage Testing ............................................. 1- 4 40 90 00 Instrumentation and Control for Process Systems ............................................................... 1- 42 Supplement 1, Loop Descriptions ........................................... 1- 24 Supplement 2, Instrument List................................................ 1- 3 Supplement 3, I/O List ........................................................... 1- 8 Supplement 4, Panel Equipment List ...................................... 1- 1 Supplement 5, Loop Status Report ......................................... 1- 2 Supplement 6, Performance Test Sheet .................................. 1- 2

40 91 00 Instrumentation and Control Components .............................. 1- 32 40 94 13 Operational Technology Components .................................... 1- 28

Supplement 1, OT Network Component List .......................... 1- 2 Supplement 2, OT Network Software List .............................. 1- 2 Supplement 3, Virtual Servers List ......................................... 1- 1

40 95 80 Fiber Optic Communication System ....................................... 1- 17 Supplement 1, As-Built Fiber Optic Cable Installation ........... 1- 2

40 96 00 Applications Software ............................................................ 1- 6 Supplement 1, Standard Software List .................................... 1- 1

40 96 02 OT Networking Software ....................................................... 1- 8

DIVISIONS 41 THROUGH 42 (NOT USED)

DIVISION 43—WASTEWATER TANKAGE

43 40 01 Polyethylene Storage Tank ..................................................... 1- 12 43 40 02 Fiberglass Reinforced Plastic Tank ........................................ 1- 9

DIVISION 44—POLLUTION CONTROL EQUIPMENT

44 42 48.04 Automatic Composite Sampler (Refrigerated, Vacuum Type) ................................................. 1- 8

44 42 56.03 Vertical Turbine Pumps ......................................................... 1- 8 Supplement 1, Pump Data Sheets ........................................... 1- 6

44 42 56.04 Submersible Pumps ................................................................ 1- 7 Supplement 1, Data Sheets: Pump and Motor ......................... 1- 4

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44 42 56.09 Self-Priming Non-Clog Pumps .............................................. 1- 6 Supplement 1, Self-Priming Centrifugal Pump Data Sheet ..... 1- 2

44 44 13.01 Chemical Metering Pumps ..................................................... 1- 11 Supplement 1, Pump and Motor ............................................. 1- 2

44 45 16.01 Coarse Bubble Diffusers ........................................................ 1- 9

DIVISION 46— WATER AND WASTEWATER EQUIPMENT

46 71 00 Membrane Thickening System .................................................... 1- 14

DIVISIONS 47 THROUGH 49 (NOT USED)

DRAWINGS (BOUND SEPARATELY)

END OF SECTION

PW\JA\SANTA ROSA COUNTY\D3575101 HVAC FANS

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SECTION 23 34 00

HVAC FANS

PART 1 GENERAL

1.01 REFERENCES

A. The following is a list of standards which may be referenced in this section:

1. Acoustical Society of America (ASA): S2.19, Mechanical Vibration— Balance Quality Requirements of Rigid Rotors—Part 1, Determination of Permissible Residual Unbalance.

2. Air Movement and Control Association International (AMCA):

a. 99, Standards Handbook.

b. 201, Fans and Systems.

c. 203, Field Performance Measurement of Fan Systems.

d. 204, Balance Quality and Vibration Levels for Fans.

e. 210, Laboratory Methods of Testing Fans for Certified

Aerodynamic Performance Rating.

f. 300, Reverberant Room Method for Sound Testing of Fans.

g. 301, Methods for Calculating Fan Sound Ratings from Laboratory

Test Data.

3. American Bearing Manufacturers Association (ABMA): 9, Load

Ratings and Fatigue Life for Ball Bearings.

4. American Society of Heating, Refrigerating, and Air-Conditioning

Engineers (ASHRAE): 52.2, Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size.

5. ASTM International (ASTM):

a. B117, Standard Practice for Operating Salt Spray (Fog)

Apparatus.

b. D2247, Standard Practice for Testing Water Resistance of

Coatings in 100% Relative Humidity.

c. D2794, Standard Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact).

d. D3363, Standard Test Method for Film Hardness by Pencil Test.

e. D4167, Standard Specification for Fiber-Reinforced Plastic Fans and Blowers.

f. E84, Standard Test Method for Surface Burning Characteristics of

Building Materials.

6. National Electrical Manufacturers Association (NEMA).

7. National Fire Protection Association (NFPA): 45, Standard on Fire

Protection for Laboratories Using Chemicals.

8. Occupational Safety and Health Act (OSHA).

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9. Society for Protective Coatings (SSPC):

a. SP 3, Power Tool Cleaning.

b. SP 5, White Metal Blast Cleaning.

c. SP 6, Commercial Blast Cleaning.

d. SP 10, Near-White Blast Cleaning.

10. UL: 507, Safety Standard for Electric Fans.

1.02 DEFINITIONS

A. The following is a list of abbreviations which may be used in this section:

1. AC: Alternating Current.

2. dB: Decibel.

3. hp: Horsepower.

4. ODP: Open Drip Proof.

5. SWSI: Single Width, Single Inlet.

6. TEFC: Totally Enclosed, Fan Cooled.

1.03 SUBMITTALS

A. Action Submittals:

1. Provide following for specified products:

a. Identification as referenced in Contract Documents.

b. Manufacturer’s name and model number.

c. Descriptive specifications, literature, and the Drawings.

d. Dimensions and weights.

e. Fan sound power level data (reference 10 to power minus

12 watts) at design operating point.

f. Fan Curves:

1) Performance Curves Indicating:

a) Relationship of flow rate to static pressure for various fan speeds.

b) Brake horsepower curves.

c) Acceptable selection range (surge curves, maximum revolutions per minute).

d) Static pressure, capacity, horsepower demand and overall efficiency required at duty point, including drive losses.

g. Capacities and ratings.

h. Construction materials.

i. Fan type, size, class, drive arrangement, discharge, rotation, and bearings.

j. Wheel type, diameter, maximum revolutions per minute for fan class, operating revolutions per minute, and tip speed.

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k. Motor data, including service factor and operating horsepower, as specified in Section 26 20 00, Low-Voltage AC Induction Motors.

l. Fan shaft first critical speed.

m. Drive assembly horsepower rating.

n. Sheave horsepower rating.

o. Power and control wiring diagrams, including terminals and numbers.

p. Factory run test and vibration test reports.

q. Vibration isolation.

r. Factory finish system.

2. “Or Equal” Equipment:

a. Where submitted equipment results in change to fan inlet or outlet ductwork configuration shown on the Drawings, submit system effect factor calculations indicating increased static pressure requirements as described in AMCA 201.

b. Where submitted equipment results in change to ductwork and equipment configuration shown on the Drawings, submit detailed information on structural, mechanical, electrical, or other modifications necessary to adapt arrangement to equipment furnished.

B. Informational Submittals:

1. Recommended procedures for protection and handling of products prior to installation.

2. Manufacturer’s installation instructions.

3. Manufacturer’s Certificate of Compliance, in accordance with

Section 01 61 00, Common Product Requirements, for the following:

a. Motors specified to be premium efficient type.

4. Test reports.

5. Operation and maintenance data in conformance with Section 01 78 23, Operation and Maintenance Data. Include as-built version of equipment schedules.

1.04 QUALITY ASSURANCE

A. Performance Ratings: Tested in accordance with AMCA 210.

B. Sound Ratings: Tested in accordance with AMCA 300.

C. Fabrication: In accordance with AMCA 99.

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PART 2 PRODUCTS

2.01 EQUIPMENT SCHEDULES

A. Some specific equipment requirements are listed in Equipment Schedule.

Refer to the Drawings.

2.02 GENERAL

A. Operating Limits: Fans designated to meet a specified fan class shall comply with requirements of AMCA 99-2408.

B. Acoustical Levels: Equipment selections shall produce sound power levels in each octave band no greater than shown in Equipment Schedule.

C. Fan Drives:

1. Drive assembly shall be sized for a minimum 140 percent of fan motor horsepower rating.

2. Furnish multiple drive belts where motor horsepower is 2 hp or larger.

3. Sheaves:

a. Capable of providing 150 percent of motor horsepower.

b. Unless otherwise noted, furnish belt-driven fans with cast iron or flanged steel sheaves.

4. Drive Adjustment:

a. When fixed-pitch sheaves are furnished, accomplish system air balancing by either trial of different fixed-pitch sheaves or use of temporary adjustable-pitch sheaves.

b. Provide trial and final sheaves, as well as drive belts, as required.

5. Fan Shafts: First critical speed of at least 125 percent of fan maximum operating speed.

6. Provide speed test openings at shaft locations.

7. Motors:

a. Motors 20 hp or Smaller: Final operating point shall be at approximate sheave midpoint.

b. Motors Larger than 20 hp: Fixed-pitch sheaves.

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D. Finishes:

1. Carbon Steel Parts: Factory finish as follows, unless indicated otherwise.

a. Parts cleaned and chemically pretreated with phosphatizing process.

b. Alkyd enamel primer.

c. Air dry enamel topcoat.

2. Aluminum Parts: Finished smooth and left unpainted, unless stated otherwise.

2.03 INLINE FAN, CENTRIFUGAL, SQUARE

A. General:

1. Factory-assembled, centrifugal, inline fan, square housing configuration; including housing, fan wheel, drive assembly, motor and accessories.

2. Bearing AMCA Certified Ratings Seal for sound and air performance.

B. Housing:

1. Construction: All aluminum.

2. Integral duct collars.

3. Removable side panels, for ease of service.

4. Field convertible for side air discharge configuration.

5. Predrilled universal mounting brackets for vertical or horizontal installation.

6. Inlets: Aerodynamic aluminum venturi.

7. Corrosion-resistant fasteners.

C. Wheel:

1. Centrifugal backward inclined, 100 percent aluminum construction.

2. Precision machined cast aluminum hub.

3. Die-formed airfoil or backward inclined blades.

4. Matched to inlet venturi.

5. Attached to fan shaft with split taper lock bushing.

D. Shaft, Bearings, Drive:

1. Shafts:

a. Turned, ground and polished carbon steel.

b. Keyed for sheave installation.

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2. Bearings:

a. Grease lubricated, precision antifriction ball, self-aligning, pillow block style, relubricatable or sealed type.

b. Selected for average life (ABMA 9 L50) of not less than

200,000 hours operation at maximum cataloged operating speed.

3. Drives:

a. In accordance with Paragraph Fan Drives.

b. Factory set to specified fan revolutions per minute.

c. Type: Direct.

d. Arrangement: As scheduled in Equipment Schedule.

E. Accessories: Provide as scheduled in Equipment Schedule.

F. Manufacturers and Products:

1. Aerovent; SCDD (Direct).

2. Loren Cook; Model SQND (Direct).

3. ACME; Centri-Master Model XD (Direct).

4. “Or-Equal.”

2.04 INLINE FAN, TUBULAR CENTRIFUGAL

A. General:

1. Factory-assembled tubular centrifugal fan, belt drive; including housing, fan wheel, drive assembly, motor, and accessories.

2. Fan Performance: AMCA 99-2408 Class I as scheduled.

3. Bearing AMCA Certified Ratings Seal for sound and air performance.

B. Housings:

1. Material: Aluminum.

2. Construction:

a. Heavy-gauge rolled metal casing, with continuous seam welding.

b. Air straightening vanes at fan outlet, integral with shaft, bearing support, and outer casing, fully welded.

c. Bearing and drive components isolated from air stream within continuously welded tunnel.

d. Lifting lugs welded to housing.

e. Mounting brackets, welded to housing, as required for indicated fan arrangement.

3. Bearing Lubrication Lines:

a. Extended to outside of fan housing.

b. Type 316 stainless steel construction.

c. Terminate with zerk fittings.

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4. Inlets: Die-formed bell mouth, matched to fan wheel inlet shroud.

5. Motor Base Plate: Minimum of 3/16-inch metal plate, welded to fan housing, to provide belt tensioning and adjustment.

6. Duct Flanges: Angle ring flanges, same diameter as housing, at fan inlet and outlet, heavy construction, factory drilled.

C. Wheel:

1. Material: Aluminum construction.

2. Centrifugal, one-piece, nonoverloading, backwardly inclined blades.

3. Blades continuously welded to inlet shroud and backplate.

4. Attached to fan shaft with split taper lock bushing.

D. Shaft, Bearings, Drive:

1. Shafts:

a. Turned, ground and polished hot-rolled carbon steel.

b. Keyed for sheave installation.

c. Corrosion protection coating.

2. Bearings:

a. Grease lubricated, precision antifriction ball, self-aligning type.

b. Mounted in cast iron pillow block housing.

c. Selected for average life (ABMA 9 L50) of not less than

200,000 hours operation at maximum cataloged operating speed.

d. Suitable for fan operation in vertical configuration.

3. Drives:

a. In accordance with Paragraph Fan Drives.

b. Factory set to the specified fan revolutions per minute.

c. Type: Belt.

d. Arrangement: Vertical roof mounted

E. Roof Mount Accessories:

1. Motor and Drive Cover:

a. Factory fabricated; OSHA type.

b. Sheet metal construction, same material as fan housing.

c. Vented, openings sufficient size for proper motor cooling.

2. Stack Cap:

a. Factory fabricated.

b. Same material as fan housing.

c. Integral backdraft dampers.

3. Curb Base:

a. Factory fabricated.

b. Sized to adapt fan inlet to roof curb.

c. Same material as fan housing.

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F. Accessories: Provide as scheduled in Equipment Schedule.

G. Manufacturers and Products:

1. Aerovent; Model AFE.

2. Cook; Model TCNH-B.

3. “Or-Equal.”

2.05 CORROSION PROTECTION COATING

A. General:

1. Factory-applied corrosion protection coating for application to fan components and accessories, where required by this section.

2. Quality Control:

a. Verify dry film thickness before final baking.

b. Finished coating system shall be free from voids, checks, cracks, and blisters.

3. Surface Cleaning: Clean parts to be coated as follows:

a. Immerse parts in heated cleaning solution to remove lubricants, machining oils, and residual factory contamination.

b. Follow with immersion in potable water bath to neutralize and remove cleaning solution.

c. Chemical Pretreatment: Immerse parts in heated chemical solution, iron phosphate for steel, clear/yellow chromate for aluminum.

B. Air-Dry Epoxy:

1. Material: Two-part catalyzed epoxy.

2. Surface Preparation: Clean surface to SSPC SP 3.

3. Application: Standard air-pressurized spray equipment.

4. Curing: Air dry.

5. Finished Thickness: 4-mil to 6-mil dry film thickness.

6. Performance: Coating shall meet or exceed following criteria:

a. Salt Spray Test: Minimum 1,500-hour duration, ASTM B117 test method.

b. Pencil Hardness: H-2H, ASTM D3363 test method.

c. Service Temperature: Maximum 150 degrees F, continuous.

2.06 MOTORS

A. General:

1. Fan motors shall comply with provisions of Section 26 20 00, Low- Voltage AC Induction Motors.

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2. Provide integral self-resetting overload protection on single-phase motors.

3. Motors for fans specified for use with variable frequency drives shall be inverter duty type.

4. Motors shall not operate into service factor in any case.

B. Motor requirements shall be as follows, unless designated otherwise on Equipment Schedule:

1. Torque Characteristics: Sufficient to accelerate driven loads satisfactorily.

2. Winding Thermal Protection: None.

3. Space Heater: No.

4. Number of Speeds: Single.

5. Number of Windings: One.

6. Motor Efficiency: Premium efficient.

7. Shaft Type: Solid, carbon steel.

8. Mounting: As required for fan arrangement.

9. Service Factor: 1.15.

2.07 ACCESSORIES

A. Equipment Identification Plates: Furnish 16-gauge Type 316 stainless steel identification plate securely mounted on each separate equipment component and control panel in a readily visible location. Plate shall bear 3/8-inch high engraved block type black enamel filled equipment identification number and letters indicated in this Specification and as shown on the Drawings.

B. Lifting Lugs: Furnish suitably attached for equipment assemblies and components weighing over 100 pounds.

2.08 SOURCE QUALITY CONTROL

A. General:

1. Fan shall operate at single stable point as indicated by fan curve. Fans having two potential operating points are not acceptable.

2. Fan and motor combination shall be capable of delivering 110 percent of scheduled air quantity and static pressure. Motor shall not operate into motor service factor in any listed case.

3. Consider drive efficiency in motor selection according to manufacturer’s published recommendation or according to AMCA 203, Appendix L.

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B. Testing Provisions:

1. Provide tachometer access holes large enough to accept standard tachometer drive shaft.

2. Center punch fan shaft to accommodate tachometer readings.

C. Acoustical Levels:

1. Perform noise tests in accordance with AMCA 300 and AMCA 301.

2. Fan sound power levels (dB, Reference 10-12 Watts) shall be no greater than scheduled values.

D. Balancing:

1. Unless noted otherwise, each fan wheel shall be statically and dynamically balanced to ASA S2.19 Grade G6.3.

2. Fans controlled by variable frequency drives shall be dynamically balanced at speeds 25 percent, 50 percent, 75 percent, and 100 percent of design revolutions per minute.

PART 3 EXECUTION

3.01 INSTALLATION

A. Install fans level and plumb.

B. Ceiling Units: Suspend units from structure; use steel wire or metal straps.

C. Scroll Drains: Pipe drain connection through running trap to floor drain.

D. Labeling:

1. Label fans in accordance with Article Accessories.

2. Mark exhaust fans serving fume hoods with arrows to indicate proper direction of rotation, in accordance with NFPA 45.

E. Service Access: Locate units to provide access spaces required for motor, drive, bearing servicing, and fan shaft removal.

F. Equipment Support and Restraints:

1. Secure vibration controls to concrete bases using anchor bolts cast in concrete base.

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G. Connections:

1. Refer to Section 23 31 13, Metal Ducts and Accessories.

2. Isolate duct connections to fans.

3. Install ductwork adjacent to fans to allow proper service and maintenance.

3.02 FIELD QUALITY CONTROL

A. Functional Tests:

1. Verify blocking and bracing used during shipping are removed.

2. Verify fan is secure on mountings and supporting devices, and connections to ducts and electrical components are complete.

3. Verify proper thermal-overload protection is installed in motors, starters, and disconnect switches.

4. Verify cleaning and adjusting are complete.

5. Disconnect fan drive from motor; verify proper motor rotation direction, and verify fan wheel free rotation and smooth bearing operation.

6. Reconnect fan drive system; align and adjust belts and install belt guards.

7. Verify lubrication for bearings and other moving parts.

8. Verify manual and automatic volume control and fire and smoke dampers in connected ductwork are in fully open position.

B. Performance Tests:

1. Starting Procedures:

a. Energize motor and adjust fan to indicated revolutions per minute.

b. Measure and record motor voltage and amperage.

2. Operational Test:

a. After electrical circuitry has been energized, start units to confirm proper motor rotation and unit operation.

b. Repair or replace malfunctioning units; retest as specified after repairs or replacement is made.

c. Test and adjust control safeties.

d. Replace damaged and malfunctioning controls and equipment.

3.03 MANUFACTURER’S SERVICES

A. Refer Section 01 43 33, Manufacturers’ Field Services and Section 01 91 14, Equipment Testing and Facility Startup.

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3.04 ADJUSTING

A. Adjust damper linkages for proper damper operation.

B. Lubricate bearings.

C. Balancing:

1. Perform air system balancing as specified in Section 23 05 93, Testing, Adjusting, and Balancing for HVAC.

2. Replace fan and motor sheaves as required to achieve design airflow.

3.05 CLEANING

A. After completing system installation, including outlet fitting and devices, inspect exposed finish. Remove burrs, dirt, and construction debris, and repair damaged finishes.

B. On completion of installation, internally clean fans according to manufacturers’ written instructions. Remove foreign material and construction debris. Vacuum fan wheel and cabinet.

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SECTION 23 37 00

AIR OUTLETS AND INLETS

PART 1 GENERAL

1.01 REFERENCES

A. The following is a list of standards which may be referenced in this section:

1. Air-Conditioning, Heating, and Refrigeration Institute (AHRI): 880, Air Terminals.

2. ASTM International (ASTM): C636/C636M, Standard Practice for Installation of Metal Ceiling Suspension Systems for Acoustical Tile and Lay-in Panels.

3. UL.

1.02 DEFINITIONS

A. NC: Noise Criteria; background sound rating method for indoor sound.

B. VAV: Variable air volume.

C. WC: Water column.

1.03 SUBMITTALS

A. Action Submittals:

1. Shop Drawings:

a. Manufacturer’s data and descriptive literature for products specified.

b. Furnish the following information for each type of diffuser, register, and grille furnished.

1) NC sound data.

2) Static pressure loss data.

3) Throw data.

MILTON INDUSTRIAL PARK WWTP

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PART 2 PRODUCTS

2.01 EQUIPMENT SCHEDULES

A. Refer to the Drawings.

2.02 CEILING DIFFUSERS

A. Premium Louvered Face Diffusers (CD1):

1. Construction: Refer to Equipment Schedule.

2. Removable core section of louvers.

3. Continuous sponge rubber gasket at face flange.

4. Performance: Refer to Equipment Schedule. Manufacturers and Products:

a. Krueger; Model SHR (steel).

b. Carnes; Type SK (steel).

c. Titus; Model TDCA (steel).

B. Thermally Powered VAV Diffusers (CD5):

1. Construction: Refer to Equipment Schedule.

2. Thermally powered to vary supply air volume and control the space within 1-1/2 degrees F of temperature setting. Temperature setting shall be field adjustable within a 70-degree to 78-degree range.

3. Each diffuser shall have a scale graduated in degrees F to determine amount of temperature setpoint adjustment.

4. Manufacturer’s ratings for flow and sound shall be verified by an independent testing laboratory, certified by AHRI for AHRI 880 testing.

5. Supply air volume shall be varied at the discharge opening. Each diffuser shall be factory tested and totally self-contained.

6. Zero leakage upon shutoff for static pressure below 0.4-inch WC (0.36-inch WC for 12-inch neck models). Maximum flow shall be factory set for the rated airflow.

7. Equip diffuser scheduled as suitable for VAV cooling and heating with changeover thermal element, factory installed and adjusted to fully open diffuser for warmup at temperatures of 80 degrees F or above.

Changeover thermal element shall not extend above neck of diffuser.

8. Performance Refer to Equipment Schedule. Manufacturer and Product:

Acutherm; Therma-fuser TF-HC.

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2.03 SUPPLY GRILLES AND REGISTERS

A. Supply Grilles and Registers (SG1, SR1):

1. Construction: Refer to Equipment Schedule.SR Register Accessories:

a. Gang-operated opposed-blade volume control damper.

b. Material to match grille.

2. Adjustable front horizontal and rear vertical vanes on 3/4-inch centers.

3. Continuous sponge rubber gasket at face flange.

4. 1-inch minimum flat rectangular frame.

5. Performance: Refer to Equipment Schedule. Manufacturers and

Products:

a. Krueger; 880/5880 Series.

b. Titus; 300 Series.

2.04 RETURN, EXHAUST AND TRANSFER GRILLES AND REGISTERS

A. Louvered Return, Exhaust and Transfer Grilles and Registers (RG1, RR1, EG1, ER1, TG1):

1. Construction: Refer to Equipment Schedule. RR and ER Register Accessories:

a. Gang-operated opposed-blade volume control damper.

b. Material to match grille.

2. Fixed horizontal louvers set at 35 degrees to 45 degrees.

3. 1-inch minimum flat, rectangular frame.

4. Manufacturers and Products:

a. Krueger; S80/S580H Series.

b. Carnes; Type RAAAH.

c. Titus; 350 Series.

B. Perforated Ceiling Return, Exhaust and Transfer Grilles and Registers (RG2, RR2, EG2, ER2, TG2):

1. Construction: Refer to Equipment Schedule. RR and ER Register Accessories:

a. Gang-operated opposed-blade volume control damper.

b. Material to match grille.

2. Removable perforated faceplate.

3. Size to fit into standard lay-in tee-bar ceiling.

4. Round neck.

5. Manufacturers and Products:

a. Titus; Model PAR (steel) or PAR-AA (aluminum).

b. Krueger; Model 6500 Series.

c. Carnes; Type SPRB (steel) or SLRB (aluminum).

MILTON INDUSTRIAL PARK WWTP

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2.05 LINEAR DIFFUSERS

A. Plenum Linear Slot Diffusers (LD1):

1. Construction: Refer to Equipment Schedule.

2. Frame suitable for mounting in a wall.

3. Inlet duct collar on side of plenum.

4. Internal plenum surfaces lined with 1/4-inch-thick neoprene coated fiberglass insulation.

5. Performance: Refer to Equipment Schedule.

6. Manufacturers and Products:

a. Krueger; Model PTBSI.

b. Carnes; Model DAS.

c. Titus; Model TBDI-30.

PART 3 EXECUTION

3.01 INSTALLATION

A. Refer to architectural reflected ceiling plans for coordination of locations of ceiling-mounted air outlets and inlets with ceiling grids and lighting. Where locations of devices shown on the mechanical Drawings do not agree with locations that are shown on architectural reflected ceiling plans, reflected ceiling plans shall take precedence. If air outlets or inlets are shown on the mechanical Drawings, but are not shown on architectural reflected ceiling plans, devices shall be located as near as possible to locations shown on the mechanical Drawings when coordinating with ceiling.

B. Install diffusers, grilles, and registers tight on their respective mounting surfaces, level, plumb, and true with room dimensions.

C. Provide appropriate frame to adapt to mounting surface. Provide a 24-inch by 24-inch lay-in ceiling module for diffusers, registers, and grilles in lay-in ceilings.

D. Support air inlets and outlets where installed in metal suspension systems for acoustical tile and lay-in panel ceilings as specified in ASTM C636/C636Mand applicable building code.

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SECTION 23 81 00

UNITARY AIR-CONDITIONING EQUIPMENT

PART 1 GENERAL

1.01 REFERENCES

A. The following is a list of standards which may be referenced in this section:

1. Air-Conditioning, Heating, and Refrigeration Institute (AHRI): 210/240, Performance Rating of Unitary Air-Conditioning and Air-Source Heat Pump Equipment.

2. Air Moving and Conditioning Association (AMCA): Bulletin 300, Setup No. 1.

3. American Gas Association (AGA).

4. American Society of Heating, Refrigerating, and Air-Conditioning

Engineers (ASHRAE):

a. 52.2, Method of Testing General Ventilation Air-Cleaning

Devices for Removal Efficiency by Particle Size.

b. 90.1, Energy Standard for Buildings Except Low-Rise Residential

Buildings.

5. American Society of Mechanical Engineers (ASME): BPVC Section IX, Welding and Brazing Qualifications.

6. ASTM International (ASTM):

a. B117, Standard Practice for Operating Salt Spray (Fog) Apparatus.

b. D2370, Standard Test Method for Tensile Properties of Organic Coatings.

c. D4060, Standard Test Method for Abrasion Resistance of Organic Coatings by the Taber Abraser.

d. E84, Standard Test Method for Surface Burning Characteristics of Building Materials.

e. G154, Standard Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials.

7. Canadian Standards Association (CSA).

8. ETL Testing Laboratories (ETL).

9. International Organization for Standardization (ISO):

a. 9001, Quality Management Systems - Requirements.

b. 13256-1, Water-Source Heat Pumps—Testing and Rating for

Performance—Part 1: Water-to-Air and Brine-to-Air Heat Pumps.

10. National Electrical Manufacturers Association (NEMA).

11. National Fire Protection Association (NFPA): 255, Standard Method of

Test of Surface Burning Characteristics of Building Materials

12. UL: 94, Safety Standard for Tests for Flammability of Plastic Materials for Parts in Devices and Appliances.

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1.02 DEFINITIONS

A. The following is a list of abbreviations which may be used in this section:

1. AC: Air Conditioning.

2. COP: Coefficient of Performance.

3. DX: Direct Expansion.

4. EER: Energy Efficiency Ratio.

5. HP: Heat Pump.

6. IR: Infra Red.

7. LED: Light Emitting Diode.

8. PSC: Permanent Split Capacitor.

9. PTAC: Packaged Terminal Air Conditioner.

10. SPST: Single Pole, Single Throw.

11. TXV: Thermostatic Expansion Valve.

12. UV: Ultraviolet.

1.03 SUBMITTALS

A. Action Submittals:

1. Shop Drawings:

a. Complete specifications, descriptive drawings, catalog cuts, and descriptive literature which shall include make, model, dimensions, weight of equipment, and electrical schematics for all products specified.

b. Manufacturer’s standard finish color selection for enclosure finishes.

c. Complete performance data that will indicate full compliance with Specification:

1) Include fan sound power level data (ref. 10 to 12 watts) at design operating point, based on AMCA Bulletin 300, Setup No. 1.

2) Include heating and cooling performance data at design operating conditions.

d. Factory dip-applied protective coating product data.

B. Informational Submittals:

1. Manufacturer’s documentation that media filter modules rated UL Class 1.

2. Manufacturer’s Certificate of Compliance, in accordance with Section 01 61 00, Common Product Requirements, for heat pumps, air-conditioning units, and motors.

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3. Detailed information on structural, mechanical, electrical, or other modifications necessary to adapt arrangement or details shown to equipment furnished.

4. Sample copy of guarantee.

5. Test reports.

6. Operation and Maintenance Data in conformance with Section 01 78 23, Operation and Maintenance Data.

a. Include wiring and control diagrams for equipment.

b. Include as-built version of equipment schedules.

1.04 QUALITY ASSURANCE

A. Heating and Cooling Equipment: Minimum operating efficiencies, defined as COP and EER, as specified in ASHRAE 90.1.

B. Unit shall be rated (when matched with appropriate outdoor unit) per

AHRI 210/240.

C. Units shall be certified by UL and CSA, and shall be UL or ETL listed and labeled.

D. Cooling performance rated in accordance with AHRI testing procedures.

1.05 DELIVERY, STORAGE, AND HANDLING

A. Storage: Products shall be carefully stored in a manner that will prevent damage and in an area that is protected from the elements.

B. Protection of Equipment:

1. Box, crate, or otherwise protect from damage and moisture during shipment, handling, and storage.

2. Protect from exposure to corrosive fumes and keep thoroughly dry at all times.

3. Store motors, drives, electrical equipment, and other equipment with antifriction or sleeve bearings in weathertight and heated storage facilities prior to installation.

4. For extended storage periods, plastic equipment wrappers shall not be used to prevent accumulation of condensate in gears and bearings.

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1.06 SPECIAL GUARANTEE

A. Refrigerant Compressors: Furnish manufacturer’s extended guarantee or warranty, with Owner named as beneficiary, in writing, as special guarantee.

Special guarantee shall provide for correction, or at the option of Owner, removal and replacement of compressors specified in this Specification found defective during a period of 5 years after date of Substantial Completion.

Duties and obligations for correction or removal and replacement of defective Work as specified in the General Conditions.

1.07 EXTRA MATERIALS

A. Furnish, tag, and box for shipment and…