W9128A-19-B-0001_Am-0006_Specifications.pdf

GEOLABS, INC. TECHNICAL

Geotechnical Engineering and Drilling Services MEMORANDUM

2006 Kalihi Street • Honolulu, Hawaii 96819 Phone: (808) 841-5064 • Facsimile: (808) 847-1749 • E-mail: hawaii@geolabs.net

Hawaii • California

DATE: January 7, 2019 @ 9:01 AM W.O. No.: 7670-00 TO: Bowers + Kubota Consulting FROM: Satoshi Tanaka ATTN: Mr. Y. Joseph Lee NO. OF PAGES: 5 SUBJECT: PTA Various Building Design Packages

Preliminary Geotechnical Recommendations COPY TO: jlee@bowersandkubota.com

File / Original

The following contains our preliminary geotechnical recommendations in support of the design of the Various Building Design Packages project within the Pohakuloa Training Area (PTA) on the Island of Hawaii. A detailed summary of our findings and recommendations will be contained in our geotechnical engineering report. The final report should be consulted when it becomes available.

Subsurface Conditions

Based on our borings drilled for the project, the subsurface conditions at the site generally consist of surface fills underlain by mixture of volcanic ash and cinder materials.

Surface fill generally consisted of about 1 foot of medium dense silty sands. Surface fills were generally underlain by mixture of volcanic ash and cinder materials extending down to the maximum depth explored of about 16.5 feet below the ground surface. Volcanic ash generally consisted of medium stiff to very stiff sandy silts. Cinder materials generally consisted of medium dense to dense silty sands with some gravel. It should be noted that some layers of cobbles and boulders were also encountered in some of the drilled borings.

Groundwater was not encountered in our borings at the time of our field exploration.

However, groundwater levels may change due to seasonal precipitation, surface water runoff, and other factors.

Seismic Design Considerations

The project site may be subject to seismic activity; therefore, seismic design considerations will need to be addressed. Seismic design of the proposed project will be based on the Unified Facilities Criteria “Seismic Design of Buildings” (UFC 3-310-04), which references the 2015 International Building Code (IBC 2015) and ASCE 7-10, and UFC Structural Engineering (UFC 3-301-01).

Based on the subsurface materials encountered at the project site, the project site may be classified from a seismic analysis standpoint as being a “Stiff Soil” site corresponding to a Site Class D soil profile, based on Table No. 20.3-1 of ASCE 7-10 Standard. Based on Site Class D, the following seismic design parameters were estimated and may be used for seismic analysis of the project.

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Hae-Dong Lee Typewritten Text (Am 0006)

PTA Various Building Design Packages Page 2 Preliminary Geotechnical Recommendations W.O. 7670-00 January 7, 2019 @ 9:01 AM

GEOLABS, INC.

SEISMIC DESIGN PARAMETERS

Parameter Value

Spectral Response Acceleration, SS 1.500g

Spectral Response Acceleration, S1 0.600g

Site Class “D”

Site Coefficient, Fa 1.000

Site Coefficient, Fv 1.500

Site Coefficient, Fpga 1.000

Adjusted MCE Spectral Response Acceleration, SMS 1.500g

Adjusted MCE Spectral Response Acceleration, SM1 0.900g

Spectral Response Acceleration, SDS 1.000g

Spectral Response Acceleration, SD1 0.600g

Peak Bedrock Acceleration, PBA (Site Class B) 0.517g

Peak Ground Acceleration, PGA (Site Class D) 0.345g

Foundations

We understand that the new buildings will generally consist of single-story structures.

Based on the subsurface conditions encountered at the project site, we believe shallow spread and/or continuous strip footings may be used to support the new structures planned at the site. As an alternative, foundations for support of the new structures also may consist of thickened-edge slab footings.

An allowable bearing pressure of up to 3,000 pounds per square foot (psf) may be used for the design of footings bearing on compacted structural fill and/or re-compacted on-site materials. This bearing value is for dead-plus-live loads and may be increased by one-third (1/3) for transient loads, such as those caused by wind or seismic forces.

In general, the bottom of footings should be embedded a minimum of 12 inches below the lowest adjacent exterior grade. Footings constructed near the tops of slopes or on slopes should be embedded deep enough such that the horizontal distance measured from the outside edge (at the base of the footing) to the face of the slope is not less than 6 feet.

Foundations located next to retaining walls, other foundations, utility trenches, or easements should be embedded below a 45-degree imaginary plane extending upward from the bottom edge of the utility trench (or retaining wall). Alternatively, the footings should be extended to a depth as deep as the inverts of the utility lines or bottom of the retaining wall.

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Soft and/or loose materials, if encountered at the bottom of footing excavations, should be over-excavated until dense and/or stiff materials are exposed in the footing excavations. The over-excavation should be backfilled with select granular fill materials, moisture-conditioned to above the optimum moisture content, placed in level lifts not exceeding 8 inches in loose thickness, and compacted to a minimum of 90 percent relative compaction. Alternatively, the bottom of the footing may be extended down to bear directly on the underlying competent materials.

If the foundations are designed and constructed in strict accordance with our recommendations, we estimate the total settlements of foundations to be less than 1 inch.

Differential settlements between adjacent footings supported on similar materials may be on the order of about 0.5 inches.

Lateral loads acting on the structures may be resisted by friction developed between the bottom of the foundation and the bearing material and by passive earth pressure acting against the near-vertical faces of the foundation system. A coefficient of friction of 0.40 may be used for footings bearing on compacted structural fill materials and/or re-compacted on-site materials. Resistance due to passive earth pressure may be estimated using an equivalent fluid pressure of 350 pounds per square foot per foot of depth (pcf) assuming that the soils around the footings are well compacted. The passive pressure resistance in the upper 12 inches of the soil should be neglected unless covered by pavements or slabs.

Slabs-on-Grade

For interior slabs that will not be subjected to vehicular traffic, we recommend providing a minimum 4-inch thick layer of cushion fill below the slabs to provide for uniform support. The cushion fill material should consist of open-graded gravel (ASTM C33, No. 67 gradation). In addition, the cushion fill layer also would serve as a capillary moisture break.

To reduce the potential for excessive future moisture infiltration and subsequent damage to floor coverings, an impervious moisture vapor barrier, such as a plastic membrane, is recommended on top of the cushion fill layer. Flexible floor coverings should be considered on top of the slab because they can better mask minor slab cracking.

Exterior concrete slabs, such as walkways may be required for the project. In general, we recommend providing a minimum 4-inch thick cushion fill layer consisting of open-graded gravel (ASTM C33, No. 67 gradation) or select borrow subbase below exterior concrete slabs that will not be subjected to vehicular traffic. Select borrow subbase should be moisture conditioned to above the optimum moisture content and compacted to at least 90 percent relative compaction. To reduce the potential for significant slab cracking due to concrete shrinkage, crack control joints should be provided at intervals equal to the width of the walkways with expansion joints at right-angle intersections.

Retaining Structures

Retaining structures, such as site retaining walls, may be required for the project.

In general, we believe retaining structure foundations may be designed in accordance

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with the recommendations and parameters presented in the "Foundations" section of this memorandum. However, retaining structure footings should have a minimum width of 18 inches. In addition, the bottom of wall foundations located on relatively flat areas should be embedded a minimum depth of 24 inches below the lowest adjacent finished grade.

For sloping ground conditions, the bottom of footing should extend deeper to obtain a minimum 6-foot setback distance measured horizontally from the outside edge of the footing to the slope face. Wall footings oriented parallel to the direction of the slope should be constructed in stepped footings.

The recommended lateral earth pressures for design of retaining walls, expressed in equivalent fluid pressures of pounds per square foot per foot of depth (pcf), are presented in the following table.

LATERAL EARTH PRESSURES

FOR DESIGN OF RETAINING STRUCTURES

Backfill Condition

Earth Pressure Component Active

(pcf) At-Rest

(pcf)

Level Backfill Horizontal 34 53

Vertical None None

Maximum 3H:1V Sloping Backfill

Horizontal 37 55

Vertical 12 18

The values provided above assume the backfill directly behind the retaining walls (within about 3 feet of the back of the wall) will be limited to a maximum particle size of 3 inches to facilitate compaction of the backfill using smaller-sized equipment. It is assumed that the backfill behind retaining walls will be compacted to between 90 and 95 percent relative compaction. The lateral earth pressures do not include hydrostatic pressures that might be caused by groundwater trapped behind the walls.

Surcharge stresses due to areal surcharges, line loads, and point loads within a horizontal distance equal to the depth of the wall should be considered in the design. For uniform surcharge stresses imposed on the loaded side of the wall, a rectangular distribution with uniform pressure equal to 28 percent of the vertical surcharge pressure acting on the entire height of the wall, which is free to deflect (cantilever), may be used in design. For walls that are restrained, a rectangular distribution equal to 44 percent of the vertical surcharge pressure acting over the entire height of the wall may be used for design. Additional analyses during design may be needed to evaluate the surcharge effects of point loads and line loads.

Dynamic lateral earth forces due to seismic loading will need to be considered in the design of the retaining structures based on IBC 2015. Seismic loading (PGA or amax= 0.345g) is used to estimate the dynamic lateral earth pressures based on a peak

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bedrock acceleration (PBA) of 0.517g. The table below summarizes the dynamic lateral earth forces acting on the retaining structure in the event of an earthquake versus the estimated wall displacements.

DYNAMIC LATERAL EARTH FORCES

FOR RETAINING STRUCTURES

Lateral Movement (inches)

Dynamic Lateral Earth Forces (H2 pounds per linear foot)

Level Backfill Maximum 3H:1V Sloping Backfill

1 to 2 6.4 12.0

Please note that the above table applies only to level and maximum 3H:1V sloping backfill condition, where H is the height of the wall in feet. The resultant force should be assumed to act through the mid-height of the wall. The above dynamic lateral earth force is in addition to the static lateral earth pressures provided above. An appropriately reduced factor of safety may be used when dynamic lateral earth pressures are accounted for in the design of the retaining structure.

Cut and Fill Slopes

In general, we believe the cut slopes planned at the site exposing volcanic ash and cinder materials may be designed with a slope inclination of two horizontal to one vertical (2H:1V) or flatter.

Permanent fill slopes constructed of the general fill and structural fill materials may be designed with a slope inclination of 2H:1V or flatter. In addition, fills placed on slopes steeper than 5H:1V should be benched. The fill slope face should be finished to a relatively smooth and well-compacted surface.

The filling operations should start at the lowest point and continue up in level horizontal compacted layers in accordance with the above fill placement recommendations. Fill slopes should be constructed by overfilling and cutting back to the design slope ratio to obtain a well-compacted slope face. In addition, slope planting or other means of slope protection should be provided as soon as possible to reduce the potential for significant erosion of the finished slopes.

Closure

If you have questions or need additional information, please contact our office.

ATTACHMENT 11

Hae-Dong Lee Typewritten Text (Am 0006)

Hae-Dong Lee

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AUTHORIZATION: HOMELAND SECURITY PRESIDENTIAL DIRECTIVE 12 AND ARMY REGULATION 190-13 REQUIRES THAT ANY PERSON NOT POSSESSING A

GOVERNMENT ISSUED IDENTIFICATION AND WISHING TO BE GRANTED ACCESS TO A FEDERAL FACILITY BE VETTED USING THE NATIONAL CRIME

INFORMATION CENTER (NCIC). The following issues will prevent access to USAG-HI installations: Current Arrest Warrant, Currently Barred from entry to Federal

Installations, Any felonies within the last 10 years, Registered Sex Offenders, Crimes encompassing Sexual Assault, Armed Robbery, Rape, Child Molestation, production or possession of Child Pornography, Trafficking in Humans, Drug Possession with intent to sell or Drug Distribution, Espionage, Sabotage, Treason, Terrorism, Murder, Firearms/Explosive violation, or Acts or Activities designed to overthrow the U.S. Government by force. USAG-P can add further disqualifying factors that would deny an individual access onto the installations.

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LONGER NEEDED AND HAS NOT EXPIRED, I WILL RETRIEVE THE PASS AND TURN IT OVER TO THE INSTALLATION ACCESS PASS OFFICE.

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Phone:

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ATTACHMENT 12

eric.moller

Fleming, Gregory j3ec9mal Text Box US Army Corps of Engineers j3ec9mal Text Box Project: Contractor:

Hae-Dong Lee

OPERATIONAL READINESS TRAINING COMPLEX (BARRACKS), PH 1 MCA PN91742

POHAKULOA TRAINING AREA, ISLAND OF HAWAII, HAWAII

Non-Shrink Grout

Tension Control Bolts

SD-06 Test Reports

Class B Coating

Bolts, Nuts, and Washers

Weld Inspection Reports

Direct Tension Indicator Washer Inspection Reports

Bolt Testing Reports

SD-07 Certificates

Steel

Bolts, Nuts, and Washers

Galvanizing

AISC Fabrication Plant Quality Certification

AISC Erector Quality Certification

Welding Procedures and Qualifications

Welding Electrodes and Rods

1.3 AISC QUALITY CERTIFICATION

Work must be fabricated in an AISC Certified Fabrication Plant, Category Std.

Submit AISC fabrication plant quality certification.

Work must be erected by an AISC Certified Erector, Category ASCE. Submit AISC erector quality certification.

1.4 SEISMIC PROVISIONS

The structural steel system must be provided in accordance with AISC 341, Chapter J as amended by UFC 3-310-04.

1.5 QUALITY ASSURANCE

1.5.1 Preconstruction Submittals

1.5.1.1 Erection Drawings

Submit for record purposes. Indicate the sequence of erection, temporary shoring and bracing. The erection drawings must conform to AISC 303.

Erection drawings must be reviewed, stamped and sealed by a registered professional engineer.

1.5.2 Fabrication Drawing Requirements

Submit fabrication drawings for approval prior to fabrication. Prepare in

SECTION 05 12 00 Page 6

ASTM D2244.

2. Chalking in excess of a No. 8 rating when tested according to

ASTM D4214.

3. Cracking, checking, peeling, or failure of paint to adhere to bare metal.

b. Finish Warranty Period: 20 years from date of Substantial Completion.

PART 2 PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

2.1.1 Structural Performance

Provide metal panel systems capable of withstanding the effects of the following loads, based on testing according to ASTM E1592:

2.1.1.1 Wind Loads

Wind pressures shall be computed and applied using a basic wind speed of 130 miles per hour (mph). Components and attachments shall resist minimum 182 pounds per square foot (psf) in both downward and uplift directions.

Design force for each connection assembly shall be that pressure given for the area under consideration, multiplied by the tributary area of the connection assembly, and multiplied by the appropriate factor of safety as follows:

a. Single fastener in the connection: 3.0

b. Two or more fasteners in each connection: 2.25

2.1.1.2 Other Design Loads

As indicated on Drawings.

2.1.1.3 Deflection Limits

For wind loads, no greater than 1/180 of the span.

2.1.2 Air Infiltration

Tested according to ASTM E1680.

2.1.3 Water Penetration under Static Pressure

Tested according to ASTM E1646.

2.1.4 Thermal Movements

Allow for thermal movements from ambient and surface temperature changes by preventing buckling, opening of joints, overstressing of components, failure of joint sealants, failure of connections, and other detrimental effects. Base calculations on surface temperatures of materials due to both solar heat gain and nighttime-sky heat loss.

SECTION 07 42 93 Page 7

SECTION 13 48 00.00 10

SEISMIC PROTECTION FOR MECHANICAL EQUIPMENT

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN INSTITUTE OF STEEL CONSTRUCTION (AISC)

AISC 325 (2017) Steel Construction Manual

SHEET METAL AND AIR CONDITIONING CONTRACTORS' NATIONAL ASSOCIATION

(SMACNA)

SMACNA 1981 (2008) Seismic Restraint Manual Guidelines for Mechanical Systems, 3rd Edition

U.S. DEPARTMENT OF DEFENSE (DOD)

UFC 3-310-04 (2013; with Change 1) Seismic Design for Buildings

1.2 SYSTEM DESCRIPTION

1.2.1 General Requirements

Apply the requirements for seismic protection measures described in this section to the mechanical equipment and systems listed below. Structural requirements shall be in accordance with Section 13 48 00 SEISMIC

PROTECTION FOR MISCELLANEOUS EQUIPMENT.

1.2.2 Mechanical Equipment

Mechanical equipment to be seismically protected shall include the following items to the extent required on the drawings or in other sections of these specifications:

Heat Pumps Units Exhaust and Supply Fans

1.2.3 Mechanical Systems

Install the following mechanical systems as required on the drawings and other sections of these specifications and seismically protect them in accordance with this specification:

a. All Piping Inside the Building Except as Specifically Stated Below

SECTION 13 48 00.00 10 Page 2 (Am-0006) susan Line

In exemptions f. and g. all hangers shall meet the length requirements. If the length requirement is exceeded by one hanger in the run, the entire run shall be braced. Interior piping and ducts not listed above shall be seismically protected in accordance with the provisions of this specification.

1.3 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government.

SD-02 Shop Drawings

Coupling and Bracing Flexible Couplings or Joints Equipment Requirements Contractor Designed Bracing

SD-03 Product Data

Coupling and Bracing Equipment Requirements Contractor Designed Bracing

SD-07 Certificates

Flexible Ball Joints

PART 2 PRODUCTS

2.1 EQUIPMENT REQUIREMENTS

Submit copies of the design calculations with the detail drawings.

Calculations shall be stamped by a registered engineer and shall verify the capability of structural members to which bracing is attached for carrying the load from the brace.

2.1.1 Rigidly Mounted Equipment

The following specific items of equipment: Equipment to be furnished under this contract shall be constructed and assembled to withstand the seismic forces specified in UFC 3-310-04. Each item of rigid equipment shall be entirely located and rigidly attached on one side only of a building expansion joint. Piping, duct, electrical conduit, etc., which cross the expansion joint shall be provided with flexible joints that are capable of accommodating displacements equal to the full width of the joint in both orthogonal directions.

Heat Pump Units

2.1.2 Nonrigid or Flexibly-Mounted Equipment

The following specific items of equipment to be furnished: Equipment shall be constructed and assembled to resist a horizontal lateral force of 2.25 times the operating weight of the equipment at the vertical center of gravity of the equipment.

SECTION 13 48 00.00 10 Page 4 (Am-0006) susan Line susan Line susan Line explaining preventive maintenance procedures, methods of checking the system for normal safe operation, and procedures for safely starting and stopping the system shall be prepared in typed form, framed as specified above for the wiring and control diagrams and posted beside the diagrams.

The framed instructions shall be posted before acceptance testing of the systems.

3.11 PERFORMANCE OF WATER HEATING EQUIPMENT

Standard rating condition terms are as follows:

EF = Energy factor, minimum overall efficiency.

ET = Minimum thermal efficiency with 70 degrees F delta T.

SL = Standby loss is maximum (Btu/h) based on a 70 degrees F temperature difference between stored water and ambient requirements.

V = Rated volume in gallons

Q = Nameplate input rate in kW (Btu/h)

3.11.1 Instantaneous Water Heater

3.11.1.1 Gas

a. Rating of 4,000 Btu/h/gal and greater and less than 2 gallons with an input greater than 50,000 Btu/h and less than 200,000 Btu/h shall have a minimum energy factor (EF) of 0.62-0.0019V per 10 CFR 430.

b. Rating of 4,000 Btu/h/gal and greater and less than 10 gallons with an input of 200,000 Btu/h and greater shall have a minimum thermal efficiency (ET) of 80 percent per ANSI Z21.10.3/CSA 4.3

c. Rating of 4,000 BTU/h/gal and greater and 10 gallons and greater with an input of 200,000 Btu/h and greater shall have a minimum thermal efficiency (ET) of 80 percent and the maximum SL shall be Q/800+110x(V^^1/2)) per ANSI Z21.10.3/CSA 4.3

3.12 TABLES

TABLE I

PIPE AND FITTING MATERIALS FOR DRAINAGE, WASTE, VENT AND CONDENSATE

DRAIN PIPING SYSTEMS

It

Pipe and Fitting Materials

SERVICE

A

SERVICE

B

SERVICE

C

SERVICE

D

SERVICE

E

SERVICE

F

SERVICE G

1 Cast iron soil pipe and fittings, hub and spigot, ASTM A74 with compression gaskets. Pipe and fittings shall be marked with the CISPI

X X X X X

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TABLE I

PIPE AND FITTING MATERIALS FOR DRAINAGE, WASTE, VENT AND CONDENSATE

DRAIN PIPING SYSTEMS

It

Pipe and Fitting Materials

SERVICE

A

SERVICE

B

SERVICE

C

SERVICE

D

SERVICE

E

SERVICE

F

SERVICE G

2 Cast iron soil pipe and fittings hubless, CISPI 301 and ASTM A888.

Pipe and fittings shall be marked with the CISPI trademark.

X X X X

3 Cast iron drainage fittings, threaded, ASME B16.12 for use with Item 10

X X X

4 Cast iron screwed fittings (threaded) ASME B16.4 for use with Item 10

X X

5 Grooved pipe couplings, ferrous and non-ferrous pipe ASTM A536 And

ASTM A47/A47M

X X X X

6 Ductile iron grooved joint fittings for ferrous pipe ASTM A536 and ASTM A47/A47M for use with Item 5

X X X X

7 Bronze sand casting grooved joint pressure fittings for non-ferrous pipe ASTM B584, for use with Item 5

X X X X

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TABLE I

PIPE AND FITTING MATERIALS FOR DRAINAGE, WASTE, VENT AND CONDENSATE

DRAIN PIPING SYSTEMS

It

Pipe and Fitting Materials

SERVICE

A

SERVICE

B

SERVICE

C

SERVICE

D

SERVICE

E

SERVICE

F

SERVICE G

8 Wrought copper grooved joint pressure pressure fittings for non-ferrous pipe

ASTM B75/B75M

C12200, ASTM B152/B152M,

C11000, ASME B16.22

ASME B16.22 for use with Item 5

X X

9 Malleable-iron threaded fittings, galvanized ASME B16.3 for

X X

10Steel pipe, seamless galvanized, ASTM A53/A53M, Type S, Grade B

X X X

11Seamless red brass pipe, ASTM B43

X X X

12Bronzed flanged fittings, ASME B16.24 for use with Items 11 and 14

X X X

13Cast copper alloy solder joint pressure fittings, ASME B16.18for

X X X

14Seamless copper pipe, ASTM B42

X X

15Cast bronze threaded fittings, ASME B16.15

X X

16Copper drainage tube, (DWV), ASTM B306

X* X X* X X X

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TABLE I

PIPE AND FITTING MATERIALS FOR DRAINAGE, WASTE, VENT AND CONDENSATE

DRAIN PIPING SYSTEMS

It

Pipe and Fitting Materials

SERVICE

A

SERVICE

B

SERVICE

C

SERVICE

D

SERVICE

E

SERVICE

F

SERVICE G

17Wrought copper and wrought alloy solder-joint drainage fittings.

ASME B16.29

X X X X X X

18Cast copper alloy solder joint drainage fittings, DWV, ASME B16.23

X X X X X X

19Acrylonitrile-Butad (ABS) plastic drain, waste, and vent pipe and fittings

ASTM D2661,

ASTM F628

X X X X X X

20Polyvinyl Chloride plastic drain, waste and vent pipe and fittings, ASTM D2665, ASTM F891, (Sch

40) ASTM F1760

X X X X X X X

21Process glass pipe and fittings, ASTM C1053

X

22High-silicon content cast iron pipe and fittings (hub and spigot, and mechanical joint), ASTM A518/A518M

X X X

23Polypropylene (PP) waste pipe and fittings, ASTM D4101

X

24Filament-wound reinforced thermosetting resin (RTRP) pipe, ASTM D2996

X

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TABLE I

PIPE AND FITTING MATERIALS FOR DRAINAGE, WASTE, VENT AND CONDENSATE

DRAIN PIPING SYSTEMS

It

Pipe and Fitting Materials

SERVICE

A

SERVICE

B

SERVICE

C

SERVICE

D

SERVICE

E

SERVICE

F

SERVICE G

SERVICE:

A - Underground Building Soil, Waste and Storm Drain B - Aboveground Soil, Waste, Drain In Buildings C - Underground Vent D - Aboveground Vent E - Interior Rainwater Conductors Aboveground F - Corrosive Waste And Vent Above And Belowground G - Condensate Drain Aboveground

* - Hard Temper

TABLE II

PIPE AND FITTING MATERIALS FOR PRESSURE PIPING SYSTEMS

Item

Pipe and Fitting Materials SERVICE A

SERVICE

B

SERVICE C SERVICE D

3 Ductile iron grooved joint fittings for ferrous pipe ASTM A536 and ASTM A47/A47M, for use with Item 2

X X X

5 Seamless red brass pipe, ASTM B43

X X X

6 Bronze flanged fittings, ASME B16.24 for use with Items 5 and 7

X X X

7 Seamless copper pipe, ASTM B42 X X X

8 Seamless copper water tube, ASTM B88, ASTM B88M

X** X** X** X***

9 Cast bronze threaded fittings, ASME B16.15 for use with Items 5 and 7

X X X

10 Wrought copper and bronze solder-joint pressure fittings, ASME B16.22 for use with Items 5, 7 and 8

X X X X

SECTION 22 00 00 Page 51 (Am-0006) susan Line susan Line susan Line susan Line electrical work. Provide complete, in place, all necessary offsets in piping and ductwork, and all fittings, and other components, required to install the work as indicated and specified.

1.2.1 Mechanical Equipment Identification

The number of charts and diagrams shall be equal to or greater than the number of mechanical equipment rooms. Where more than one chart or diagram per space is required, mount these in edge pivoted, swinging leaf, extruded aluminum frame holders which open to 170 degrees.

1.2.1.1 Charts

Provide chart listing of equipment by designation numbers and capacities such as flow rates, pressure and temperature differences, heating and cooling capacities, horsepower, pipe sizes, and voltage and current characteristics.

1.2.1.2 Diagrams

Submit proposed diagrams, at least 2 weeks prior to start of related testing. provide neat mechanical drawings provided with extruded aluminum frame under 1/8-inch glass or laminated plastic, system diagrams that show the layout of equipment, piping, and ductwork, and typed condensed operation manuals explaining preventative maintenance procedures, methods of checking the system for normal, safe operation, and procedures for safely starting and stopping the system. After approval, post these items where directed.

1.2.2 Service Labeling

Label equipment, including fans, air handlers, terminal units, etc. with labels made of self-sticking, plastic film designed for permanent installation. Labels shall be in accordance with the typical examples below:

SERVICE LABEL AND TAG DESIGNATION

Heat Pump Unit Number HP - _____

Exhaust Fan Number EF - _____

Supply Fan Number VAV - _____

Identify similar services with different temperatures or pressures. Where pressures could exceed 125 pounds per square inch, gage, include the maximum system pressure in the label. Label and arrow piping in accordance with the following:

a. Each point of entry and exit of pipe passing through walls.

b. Each change in direction, i.e., elbows, tees.

c. In congested or hidden areas and at all access panels at each point required to clarify service or indicated hazard.

d. In long straight runs, locate labels at distances within eyesight of each other not to exceed 75 feet. All labels shall be visible and

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2.9.1.2 High Temperature Service Duct Connections

Provide material that is approximately 3/32 inch thick, 35 to 40-ounce per square yard weight, plain weave fibrous glass cloth with, nickel/chrome wire reinforcement for service in excess of 1200 degrees F.

2.9.1.3 Aluminum Ducts

ASTM B209, alloy 3003-H14 for aluminum sheet and alloy 6061-T6 or equivalent strength for aluminum connectors and bar stock.

2.9.1.4 Copper Sheets

ASTM B152/B152M, light cold rolled temper.

2.9.1.5 Corrosion Resisting (Stainless) Steel Sheets

ASTM A167

2.9.2 Duct Access Doors

Provide hinged access doors conforming to SMACNA 1966 in ductwork and plenums where indicated and at all air flow measuring primaries, automatic dampers, fire dampers, coils, thermostats, and other apparatus requiring service and inspection in the duct system. Provide access doors upstream and downstream of air flow measuring primaries and heating and cooling coils. Provide doors that are a minimum 15 by 18 inches, unless otherwise shown. Where duct size does not accommodate this size door, make the doors as large as practicable. Equip doors 24 by 24 inches or larger with fasteners operable from inside and outside the duct. Use insulated type doors in insulated ducts.

2.9.3 Manual Balancing Dampers

Furnish manual balancing dampers with accessible operating mechanisms. Use chromium plated operators (with all exposed edges rounded) in finished portions of the building. Provide manual volume control dampers that are operated by locking-type quadrant operators. Install dampers that are 2 gauges heavier than the duct in which installed. Unless otherwise indicated, provide opposed blade type multileaf dampers with maximum blade width of 12 inches. Provide access doors or panels for all concealed damper operators and locking setscrews. Provide stand-off mounting brackets, bases, or adapters not less than the thickness of the insulation when the locking-type quadrant operators for dampers are installed on ducts to be thermally insulated, to provide clearance between the duct surface and the operator. Stand-off mounting items shall be integral with the operator or standard accessory of the damper manufacturer.

2.9.4 Low Leakage Motorized Dampers Dampers

Where outdoor air supply and exhaust air dampers are required they shall have a maximum leakage rate when tested in accordance with AMCA 500-D as required by ASHRAE 90.1 - IP, including maximum Damper Leakage for:

a. The maximum damper leakage at 1.0 inch w.g. for motorized dampers is 3 cfm per square foot of damper area and non-motorized dampers are not allowed.

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2.9.5 Air Deflectors (Volume Extractors) and Branch Connections

Provide air deflectors (volume extractors) at all duct mounted supply outlets, at takeoff or extension collars to supply outlets, at duct branch takeoff connections, and at 90 degree elbows, as well as at locations as indicated on the drawings or otherwise specified. Conical branch connections or 45 degree entry connections are allowed in lieu of deflectors for branch connections. Furnish all air deflectors (volume extractors), except those installed in 90 degree elbows, with an approved means of adjustment. Provide easily accessible means for adjustment inside the duct or from an adjustment with sturdy lock on the face of the duct.

When installed on ducts to be thermally insulated, provide external adjustments with stand-off mounting brackets, integral with the adjustment device, to provide clearance between the duct surface and the adjustment device not less than the thickness of the thermal insulation. Provide factory-fabricated air deflectors consisting of curved turning vanes or louver blades designed to provide uniform air distribution and change of direction with minimum turbulence or pressure loss. Provide factory or field assembled air deflectors (volume extractors). Make adjustment from the face of the diffuser or by position adjustment and lock external to the duct. Provide stand-off brackets on insulated ducts as described herein.

Provide fixed air deflectors (volume extractors), also called turning vanes, in 90 degree elbows.

2.9.6 Plenums and Casings for Field-Fabricated Units

2.9.7 Diffusers, Registers, and Grilles

Provide factory-fabricated units of aluminum that distribute the specified quantity of air evenly over space intended without causing noticeable drafts, air movement faster than 50 fpm in occupied zone, or dead spots anywhere in the conditioned area. Provide outlets for diffusion, spread, throw, and noise level as required for specified performance. Certify performance according to ASHRAE 70. Provide sound rated and certified inlets and outlets according to ASHRAE 70. Provide sound power level as indicated. Provide diffusers and registers with volume damper with accessible operator, unless otherwise indicated; or if standard with the manufacturer, an automatically controlled device is acceptable. Provide opposed blade type volume dampers for all diffusers and registers, except linear slot diffusers. Provide linear slot diffusers with round or elliptical balancing dampers. Where the inlet and outlet openings are located less than 7 feet above the floor, protect them by a grille or screen according to NFPA 90A.

2.9.7.1 Diffusers

Provide diffuser types indicated. Furnish ceiling mounted units with anti-smudge devices, unless the diffuser unit minimizes ceiling smudging through design features. Provide diffusers with air deflectors of the type indicated. Provide air handling troffers or combination light and ceiling diffusers conforming to the requirements of UL Electrical Constructn for the interchangeable use as cooled or heated air supply diffusers or return air units. Install ceiling mounted units with rims tight against ceiling.

Provide sponge rubber gaskets between ceiling and surface mounted diffusers for air leakage control. Provide suitable trim for flush mounted diffusers. For connecting the duct to diffuser, provide duct collar that is airtight and does not interfere with volume controller. Provide return or exhaust units that are similar to supply diffusers.

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2.9.7.2 Registers and Grilles

Provide units that are four-way directional-control type, except provide return and exhaust registers that are fixed horizontal or vertical louver type similar in appearance to the supply register face. Furnish registers with sponge-rubber gasket between flanges and wall or ceiling. Install wall supply registers at least 6 inches below the ceiling unless otherwise indicated. Locate return and exhaust registers 6 inches above the floor unless otherwise indicated. Achieve four-way directional control by a grille face which can be rotated in 4 positions or by adjustment of horizontal and vertical vanes. Provide grilles as specified for registers, without volume control damper.

2.9.8 Louvers

Provide louvers for installation in exterior walls that are associated with the air supply and distribution system as specified in Section 08 91 00

METAL WALL LOUVERS.

2.9.9 Air Vents, Penthouses, and Goosenecks

Fabricate air vents, penthouses, and goosenecks from galvanized steel or aluminum sheets with galvanized or aluminum structural shapes. Provide sheet metal thickness, reinforcement, and fabrication that conform to SMACNA 1966. Accurately fit and secure louver blades to frames. Fold or bead edges of louver blades for rigidity and baffle these edges to exclude driving rain. Provide air vents, penthouses, and goosenecks with bird screen.

2.9.10 Bird Screens and Frames

Provide bird screens that conform to ASTM E2016, No. 2 mesh, aluminum or stainless steel. Provide "medium-light" rated aluminum screens. Provide "light" rated stainless steel screens. Provide removable type frames fabricated from either stainless steel or extruded aluminum.

2.10 AIR SYSTEMS EQUIPMENT

2.10.1 Fans

Test and rate fans according to AMCA 210. Calculate system effect on air moving devices in accordance with AMCA 201 where installed ductwork differs from that indicated on drawings. Install air moving devices to minimize fan system effect. Where system effect is unavoidable, determine the most effective way to accommodate the inefficiencies caused by system effect on the installed air moving device. The sound power level of the fans shall not exceed 85 dBA when tested according to AMCA 300 and rated in accordance with AMCA 301. Provide all fans with an AMCA seal. Connect fans to the motors either directly or indirectly with V-belt drive. Use V-belt drives designed for not less than 120 percent of the connected driving capacity.

Provide variable pitch motor sheaves for 15 hp and below, and fixed pitch as defined by AHRI Guideline D (A fixed-pitch sheave is provided on both the fan shaft and the motor shaft. This is a non-adjustable speed drive.).

Select variable pitch sheaves to drive the fan at a speed which can produce the specified capacity when set at the approximate midpoint of the sheave adjustment. When fixed pitch sheaves are furnished, provide a replaceable sheave when needed to achieve system air balance. Provide motors for V-belt drives with adjustable rails or bases. Provide removable metal guards for all exposed V-belt drives, and provide speed-test openings at

SECTION 23 00 00 Page 16 (Am-0006) susan Line susan Line susan Line interior according to ASTM D520 Type I.

Factory painting that has been damaged prior to acceptance by the Contracting Officer shall be field painted in compliance with the requirements of paragraph FIELD PAINTING OF MECHANICAL EQUIPMENT.

2.12 SUPPLEMENTAL COMPONENTS/SERVICES

2.12.1 Condensate Drain Lines

Provide and install condensate drainage for each item of equipment that generates condensate in accordance with Section 22 00 00 PLUMBING, GENERAL PURPOSE except as modified herein.

2.12.2 Backflow Preventers

The requirements for backflow preventers are specified in Section 22 00 00

PLUMBING, GENERAL PURPOSE.

2.12.3 Insulation

The requirements for shop and field applied insulation are specified in Section 23 07 00 THERMAL INSULATION FOR MECHANICAL SYSTEMS.

2.12.4 Controls

2.12.4.1 Thermostats

2.12.4.1.1 Ranges

Thermostat ranges shall be selected so that the setpoint is adjustable (without tool) between plus or minus 5 degrees C plus or minus 10 degrees F of the setpoint indicated.

2.12.4.1.2 Microprocessor Based Room Thermostats

Microprocessor-based room thermostats shall have built-in keypads for scheduling of day and night temperature settings. Access to the scheduling mode shall be by password control code. When out of the scheduling mode, thermostats shall have continuous 12-hour time display, with AM and PM indication, continuous display of day of the week, and either continuous display of room temperature with display of temperature setpoint on demand, or continuous display of temperature setpoint with display of room temperature on demand. In the programmable mode, use the display for setting and interrogating time program ON-OFF setpoints for each day of the week. The time program shall allow two separate temperature setback intervals per day. Thermostats shall have a means for temporary and manual override of program schedule, with automatic program restoration on the following day. Thermostats shall have a replaceable battery to maintain timing and to maintain the schedule in memory for one year in the event of a power outage. Maximum differential shall be 2 degrees F. Where used for heat pump applications, thermostat shall have an emergency heat switch.

2.12.5 Wire and Cable

Provide wire and cable meeting the requirements of NFPA 70 and NFPA 90A in addition to the requirements of this specification and referenced specifications.

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(Electrical-Safety Related work practices)and an additional 3 feet.

c. Except as otherwise indicated, install emergency switches and alarms in conspicuous locations. Mount all indicators, to include gauges, meters, and alarms in order to be easily visible by people in the area.

3.2.1 Condensate Drain Lines

Provide water seals in the condensate drain from all units . Provide a depth of each seal of 2 inches plus the number of inches, measured in water gauge, of the total static pressure rating of the unit to which the drain is connected. Provide water seals that are constructed of 2 tees and an appropriate U-bend with the open end of each tee plugged. Provide pipe cap or plug cleanouts where indicated. Connect drains indicated to connect to the sanitary waste system using an indirect waste fitting. Insulate air conditioner drain lines as specified in Section 23 07 00 THERMAL INSULATION

FOR MECHANICAL SYSTEMS.

3.2.2 Equipment and Installation

Provide frames and supports for tanks, compressors, pumps, valves, air handling units, fans, coils, dampers, and other similar items requiring supports. Floor mount or ceiling hang air handling units as indicated.

Anchor and fasten as detailed. Set floor-mounted equipment on not less than 6 inch concrete pads or curbs doweled in place unless otherwise indicated. Make concrete foundations heavy enough to minimize the intensity of the vibrations transmitted to the piping, duct work and the surrounding structure, as recommended in writing by the equipment manufacturer. In lieu of a concrete pad foundation, build a concrete pedestal block with isolators placed between the pedestal block and the floor. Make the concrete foundation or concrete pedestal block a mass not less than three times the weight of the components to be supported.

Provide the lines connected to the pump mounted on pedestal blocks with flexible connectors. Submit foundation drawings as specified in paragraph DETAIL DRAWINGS. Provide concrete for foundations as specified in Section

03 30 00 CAST-IN-PLACE CONCRETE.

3.2.3 Access Panels

Install access panels for concealed valves, vents, controls, dampers, and items requiring inspection or maintenance of sufficient size, and locate them so that the concealed items are easily serviced and maintained or completely removed and replaced. Provide access panels as specified in Section 05 50 13 MISCELLANEOUS METAL FABRICATIONS.

3.2.4 Metal Ductwork

Install according to SMACNA 1966 unless otherwise indicated. Install duct supports for sheet metal ductwork according to SMACNA 1966, unless otherwise specified. Do not use friction beam clamps indicated in SMACNA 1966. Anchor risers on high velocity ducts in the center of the vertical run to allow ends of riser to move due to thermal expansion.

Erect supports on the risers that allow free vertical movement of the duct. Attach supports only to structural framing members and concrete slabs. Do not anchor supports to metal decking unless a means is provided and approved for preventing the anchor from puncturing the metal decking.

Where supports are required between structural framing members, provide suitable intermediate metal framing. Where C-clamps are used, provide retainer clips.

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3.2.5 Dust Control

To prevent the accumulation of dust, debris and foreign material during construction, perform temporary dust control protection. Protect the distribution system (supply and return) with temporary seal-offs at all inlets and outlets at the end of each day's work. Keep temporary protection in place until system is ready for startup.

3.2.6 Insulation

Provide thickness and application of insulation materials for ductwork, piping, and equipment according to Section 23 07 00 THERMAL INSULATION FOR MECHANICAL SYSTEMS. Externally insulate outdoor air intake ducts and plenums up to the point where the outdoor air reaches the conditioning unit or up to the point where the outdoor air mixes with the return air stream.

3.2.7 Duct Test Holes

Provide holes with closures or threaded holes with plugs in ducts and plenums as indicated or where necessary for the use of pitot tube in balancing the air system. Plug insulated duct at the duct surface, patched over with insulation and then marked to indicate location of test hole if needed for future use.

3.2.8 Power Transmission Components Adjustment

Test V-belts and sheaves for proper alignment and tension prior to operation and after 72 hours of operation at final speed. Uniformly load belts on drive side to prevent bouncing. Make alignment of direct driven couplings to within 50 percent of manufacturer's maximum allowable range of misalignment.

3.3 EQUIPMENT PADS

Provide equipment pads to the dimensions shown or, if not shown, to conform to the shape of each piece of equipment served with a minimum 3-inch margin around the equipment and supports. Allow equipment bases and foundations, when constructed of concrete or grout, to cure a minimum of 28 calendar days before being loaded.

3.4 CUTTING AND PATCHING

Install work in such a manner and at such time that a minimum of cutting and patching of the building structure is required. Make holes in exposed locations, in or through existing floors, by drilling and smooth by sanding. Use of a jackhammer is permitted only where specifically approved. Make holes through masonry walls to accommodate sleeves with an iron pipe masonry core saw.

3.5 CLEANING

Thoroughly clean surfaces of piping and equipment that have become covered with dirt, plaster, or other material during handling and construction before such surfaces are prepared for final finish painting or are enclosed within the building structure. Before final acceptance, clean mechanical equipment, including piping, ducting, and fixtures, and free from dirt, grease, and finger marks. When the work area is in an occupied space such as office, laboratory or warehouse protect all furniture and equipment

SECTION 23 00 00 Page 22 (Am-0006) susan Line susan Line susan Line susan Line susan Line from dirt and debris. Incorporate housekeeping for field construction work which leaves all furniture and equipment in the affected area free of construction generated dust and debris; and, all floor surfaces vacuum-swept clean.

3.6 PENETRATIONS

Provide sleeves and prepared openings for duct mains, branches, and other penetrating items, and install during the construction of the surface to be penetrated. Cut sleeves flush with each surface. Place sleeves for round duct 15 inches and smaller. Build framed, prepared openings for round duct larger than 15 inches and square, rectangular or oval ducts. Sleeves and framed openings are also required where grilles, registers, and diffusers are installed at the openings. Provide one inch clearance between penetrating and penetrated surfaces except at grilles, registers, and diffusers. Pack spaces between sleeve or opening and duct or duct insulation with mineral fiber conforming with ASTM C553, Type 1, Class B-2.

3.6.1 Sleeves

Fabricate sleeves, except as otherwise specified or indicated, from 20 gauge thick mill galvanized sheet metal.