SECTION 15000.pdf

MECHANICAL INDEX

PAGE

SECTION 15010 - BASIC MECHANICAL REQUIREMENTS 15010 - 1-14

SECTION 15030 - ELECTRICAL REQUIREMENTS FOR

MECHANICAL EQUIPMENT 15030 - 1-5

SECTION 15050 - BASIC MECHANICAL MATERIALS

AND METHODS 15050 - 1-11

SECTION 15055 - BASIC PIPING MATERIALS AND METHODS 15055 - 1-10

SECTION 15100 - VALVES 15100 - 1-15

SECTION 15135 - METERS AND GAGES 15135 - 1-8

SECTION 15140 - SUPPORTS AND ANCHORS 15140 - 1-10

SECTION 15190 - MECHANICAL IDENTIFICATION 15190 - 1-7

SECTION 15200 - NOISE AND VIBRATION CONTROL 15200 - 1-3

SECTION 15250 - MECHANICAL INSULATION 15250 - 1-8

SECTION 15325 - WET PIPE SPRINKLER SYSTEM 15325 - 1-8

SECTION 15330 - AFFF FIRE SUPPRESSION SYSTEMS 15330 - 1-12

SECTION 15335 - FIRE PUMP SYSTEMS 15335 - 1-14

SECTION 15340 - FIRE DETECTION ALARM AND EQUIPMENT

ACTIVATION SYSTEMS 15340 - 1-22

SECTION 15411 - WATER DISTRIBUTION PIPING 15411 - 1-12

SECTION 15420 - DRAINAGE AND VENT SYSTEMS 15420 - 1-11

SECTION 15440 - PLUMBING FIXTURES 15440 - 1-5

SECTION 15453 - PLUMBING PUMPS 15453 - 1-8

SECTION 15458 - WATER HEATERS AND WATER SOFTENERS 15458 - 1-9

SECTION 15481 - COMPRESSED AIR SYSTEMS 15481 - 1-14

SECTION 15483 - FUEL OIL SYSTEMS 15483 - 1-16

SECTION 15488 - NATURAL GAS SYSTEMS 15488 - 1-10

SECTION 15510 - HYDRONIC PIPING 15510 - 1-15

SECTION 15540 - HVAC PUMPS 15540 - 1-4

SECTION 15557 - SCOTCH MARINE BOILERS 15557 - 1-9

SECTION 15570 - BOILER ACCESSORIES 15570 - 1-3

SECTION 15575 - BREECHINGS, CHIMNEYS AND STACKS 15575 - 1-4

SECTION 15620 - FUEL FIRED HEATERS 15620 - 1-6

SECTION 15684 – RECIPROCATING OR SCROLL WATER CHILLERS -

AIR COOLED 15684 - 1-9

SECTION 15704 - WATER TREATMENT (HVAC) 15704 - 1-4

SECTION 15755 - HEAT EXCHANGERS 15755 - 1-5

SECTION 15855 - AIR HANDLING UNITS AND CABINET FANS 15855 - 1-8

SECTION 15870 - POWER AND GRAVITY VENTILATORS 15870 - 1-10

SECTION 15885 - AIR CLEANING 15885 - 1-4

SECTION 15891 - METAL DUCTWORK 15891 - 1-10

SECTION 15910 - DUCTWORK ACCESSORIES 15910 - 1-12

SECTION 15932 - AIR OUTLETS AND INLETS 15932 - 1-4

SECTION 15973 - TEMPERATURE CONTROL SYSTEMS 15973 - 1-21

SECTION 15990 - TESTING, ADJUSTING, AND BALANCING 15990 - 1-5

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BASIC MECHANICAL REQUIREMENTS 15010-1

SECTION 15010 - BASIC MECHANICAL REQUIREMENTS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of Contract, including General and Division 1 Specification Sections, apply to this and the other sections of Division 15.

1.2 SUMMARY

A. This Section includes general administrative and procedural requirements for mechanical installations. The following administrative and procedural requirements are included in this Section to expand the requirements specified in Division 1:

Submittals.

Coordination drawings.

Record documents.

Maintenance manuals.

Rough-ins.

Mechanical installations.

Cutting and patching.

B. Related Sections: The following sections contain requirements that relate to this section:

1. Division 15 Section "ELECTRICAL REQUIREMENTS FOR MECHANICAL EQUIPMENT," for factory-installed motors, controllers, accessories, and connections.

2. Division 15 Section "BASIC MECHANICAL MATERIALS AND

METHODS," for materials and methods common to the remainder of Division 15, plus general related specifications including:

Access to mechanical installations.

Excavation for mechanical installations within the building boundaries, and from building to utilities connections.

1.3 EXAMINATION OF SITE

A. Visit the site, inspect the existing conditions and check the drawings and specifications so as to be fully informed of the requirements for completion of the work.

BASIC MECHANICAL REQUIREMENTS 15010-2

B. Lack of such information shall not justify an extra to the contract price.

1.4 SCOPE

A. The Mechanical Work shall include labor, materials, and equipment to install systems and place in proper working order, as shown on plans and hereinafter specified. The installation shall include all labor, materials, tools, transportation, equipment, services and facilities, required for the complete, proper and substantial installation of all mechanical work shown on the plans, and/or outlined in these specifications. The installation shall include all materials, appliances, and apparatus not specifically mentioned herein or noted on the drawings but which are necessary to make a complete working installation of all mechanical systems.

B. By bidding, this contractor acknowledges his understanding of the work to be done and agrees to install complete and workable systems.

1.5 CODES

A. Execute work in compliance with all applicable Federal, State and Municipal laws, codes, ordinances, and local customs regarding the trade to perform the work.

B. Codes shall govern in case of any direct conflict between codes and plans and specifications; except when plans and specifications require higher standards than those required by code. Variance from the plan and specifications made to comply with code must be approved by the Architect and Base CEEE. If approved they shall be made with no increased cost to the Government.

C. In addition, the following published Standards and Regulations shall be adhered to as applicable to the work involved.

Latest issue of the Local, State, and National Plumbing Codes Latest issue of the ASHRAE Guide Latest issue of the SMACNA Handbook Applicable NFPA Pamphlets Applicable ANSI Standards

BASIC MECHANICAL REQUIREMENTS 15010-3

American Society of Mechanical Engineers Boiler Code American Society of Mechanical Engineers Unfired Pressure Vessel Code American Standards Association Code for Mechanical Occupational Safety and Health Act Current Editions of Uniform Building Code, Uniform Mechanical Code, Uniform Plumbing Code Latest issue of the State Air Pollution Control Regulations Rules of the State Boiler Inspection Department Americans with Disabilities Act of 1990

1.6 DEFINITIONS

A. It shall be understood that the drawings and specifications complement one another and items specified shall also meet the criteria set forth on the drawings.

B. Where any device or item is referred to in the singular sense (such as "the unit"), such reference applies to as many devices as are required to complete the installation as shown on the drawings.

C. The term "work" shall mean all obligations imposed upon the Contractor by the

Contract Documents.

1.7 ABBREVIATIONS

ADA Americans with Disabilities Act of 1990 AGA American Gas Association AISI American Iron and Steel Institute AMCA Air Moving and Conditioning Association, Inc.

ANSI American National Standards Institute ASHRAE American Society of Heating, Refrigeration & Air-Conditioning Engineers, Inc.

ASME American Society of Mechanical Engineers ASTM American Society for Testing and Materials AWWA American Water Works Association BPVC Boiler and Pressure Vessel Code of ASME CISPI Cast Iron Soil Pipe Institute NFPA National Fire Protection Association SMACNA Sheet Metal and Air-Conditioning Contractors National Association, Inc.

UL Underwriters' Laboratories, Inc.

ETL ETL Testing Laboratories, Inc.

OSHA Occupational Safety and Health Administration NBI National Boiler Inspection Code

1.8 PERMITS

BASIC MECHANICAL REQUIREMENTS 15010-4

A. Obtain and pay for all licenses and permits, fees, inspection and certificates required for the execution of this work.

B. Pay fees and charges for connection to outside services and use of property.

C. Deliver permits and certificates to the Architect for transmittal to the Government.

1.9 RESPONSIBILITY

A. This contractor will be held responsible for any and all damage to any part of the building or to the work of other contractors, as may be caused through his operation.

B. The operation and maintenance of the Mechanical Plant during construction shall be the responsibility of this contractor until the acceptance of the building by the Government.

C. The General Contractor shall pay for all fuel cost for operation of the plant.

D. This Contractor shall make all provisions for entry of equipment, installed under this

Contract, to the installed location. This Contractor shall provide openings in existing construction if necessary. This Contractor shall do all repair necessary to restore the building to the original condition. During the period of entry of equipment and removal of trash, no disruption of the Government's normal business shall occur.

1.10 WORKMANSHIP AND COORDINATION

A. Make installation substantially as shown on the plans.

B. Pipe and duct routing and equipment location shown on the drawings are schematic in nature. Make alterations in location of apparatus or piping as may be required to conform to building construction without extra charge.

C. Equipment service clearances, per equipment manufacturers specifications, shall be maintained from general construction. No pipe or ductwork shall be installed within these clearances. No piping, coils, or ductwork shall be installed above electrical panels, starters or switchgear, or in elevator equipment rooms.

BASIC MECHANICAL REQUIREMENTS 15010-5

D. Cooperate with other contractors in their installation of work.

E. The duct work shall take precedence over all pipe work except where it is necessary to maintain an even grade on the piping.

F. Use only experienced mechanics.

1.11 MATERIALS

A. Material and equipment shall be new, of best quality and design and free from defects.

A manufacturer's nameplate affixed in a conspicuous place will be required on each major component of equipment stating manufacturer's name, address and catalog number.

1.12 EXCAVATION AND BACKFILLING

A. All work shall be in accordance with Section "EARTHWORK".

B. Do all excavation required for water, gas, sewer, drainage, etc.

C. Contractor shall do all shoring and bracing necessary per OSHA requirements to perform the work and as required for safety.

D. Backfill and tamp the earth around pipes and bring to required level. Compact to percentage amount specified in Section "EARTHWORK"

E. Fill carefully to prevent future settlement.

F. Backfill trenches under concrete floor, drive, or walks, with sand, crushed rock, or gravel in manner to prevent future settlement. Backfilling of trenches shall be in conformance with requirements for earthwork in the Architectural Specifications.

G. Street and alley pavement surfaces damaged must be repaired to the satisfaction of the local authorities.

1.13 TESTING

A. Furnish testing equipment and test all piping systems under methods and conditions as specified.

B. Test for a period of not less than 12 hours in the presence of the Architect.

BASIC MECHANICAL REQUIREMENTS 15010-6

C. Make all necessary replacements and repair and repeat tests until the entire system is approved and satisfactory.

D. Test under pressure with liquid or gas as directed or specified.

1.14 SUBMITTALS

A. General: Follow the procedures specified in Division 1 Section “SUBMITTALS."

B. Increase, by the quantity listed below, the number of mechanical related shop drawings, product data, and samples submitted, to allow for required distribution plus one copy of each submittal required, which will be retained by the Mechanical Consulting Engineer.

Shop Drawings - Initial Submittal: 1 additional blue- or black-line prints.

Shop Drawings - Final Submittal: 1 additional blue- or black-line prints.

Product Data: 1 additional copy of each item.

Samples: 1 additional set.

C. Additional copies may be required by individual sections of these Specifications.

D. Submittal of shop drawings, product data, and samples will be accepted only when signed and submitted by The Mechanical Contractor and the General Contractor. Data submitted from subcontractors and material suppliers directly to the Architect/Engineer will not be processed.

E. Shop drawings submitted without contractor's signature or approval and verification will not be approved. Quantities will not be checked or verified. It is the contractors responsibility to provide the proper quantities required to complete the job.

F. Portions of the work requiring a shop drawing submittal shall not begin until the shop drawing has been approved by the Engineer.

G. Submit wiring diagrams for all mechanical equipment requiring field wiring clearly showing all required connections. This contractor will send one copy of Engineer approved shop drawings to the Electrical Contractor with a transmittal letter. Forward one copy of the transmittal letter to the Engineer's office.

BASIC MECHANICAL REQUIREMENTS 15010-7

H. Where catalog cuts are used, mark them to indicate equipment, capacities, controls, fittings, valves, sizes, etc.

I. Reference each item to applicable specification paragraph number and plan sheet number. Reference items not appearing in base specification to applicable alternate numbers, change order numbers, letters of authorization, etc.

J. Engineers acceptance of Compliance Submittals will not relieve Contractor from his responsibility for any deviations from the requirements of the Contract Documents unless Contractor has in writing called Engineer's attention to such deviation at the time of submission and Engineer has given written approval to the specific deviation, nor shall any acceptance by Engineer relieve Contractor from responsibility for errors or omissions in Compliance Submittals.

1.15 PRODUCT OPTIONS AND SUBSTITUTIONS

A. Refer to the Instructions to Bidders and the Division 1 Section “SUBMITTALS" for requirements in selecting products and requesting substitutions.

1.16 PRODUCT LISTING

A. Prepare listing of major mechanical equipment and materials for the project.

B. Provide all information requested.

C. Submit this listing as a part of the submittal requirement specified in the Division 1

Section.

D. When two or more items of same material or equipment are required (plumbing fixtures, pumps, valves, air conditioning units, etc.) they shall be of the same manufacturer. Product manufacturer uniformity does not apply to raw materials, bulk materials, pipe, tube, fittings (except flanged and grooved types), sheet metal, wire, steel bar stock, welding rods, solder, fasteners, motors for dissimilar equipment units, and similar items used in Work, except as otherwise indicated.

Provide products which are compatible within systems and other connected items.

BASIC MECHANICAL REQUIREMENTS 15010-8

1.17 MECHANICAL COORDINATION DRAWINGS

A. Prepare coordination drawings to a scale of 1/4"=1'-0" or larger; detailing major elements, components, and systems of mechanical equipment and materials in relationship with other systems, installations, and building components. Indicate locations where space is limited for installation and access and where sequencing and coordination of installations are of importance to the efficient flow of the Work, including (but not necessarily limited to) the following:

1. Indicate the proposed locations of piping, ductwork, equipment, hangers, and materials. Include the following:

Clearances for installing and maintaining insulation.

Clearances for servicing and maintaining equipment, including tube removal, filter removal, and space for equipment disassembly required for periodic maintenance.

Equipment connections and support details.

Exterior wall and foundation penetrations.

Fire-rated wall and floor penetrations.

Underground piping.

Sizes and location of required concrete pads and bases.

Numbered valve location diagrams.

Valve stem movement.

Pipe expansion loops.

B. Indicate scheduling, sequencing, movement, and positioning of large equipment into the building during construction.

C. Prepare floor plans, elevations, and details to indicate penetrations in floors, walls, and ceilings and their relationship to other penetrations and installations.

BASIC MECHANICAL REQUIREMENTS 15010-9

D. Prepare reflected ceiling plans to coordinate and integrate installations, air outlets and inlets, light fixtures, communication systems components, sprinklers, and other ceiling-mounted items.

E. Submit a reproducible drawing to Architect to review for completeness. These drawings will be reviewed and returned with comments. They will not be approved as a shop drawing.

1.18 RECORD DOCUMENTS

A. Prepare record documents in accordance with the requirements in Division 1 Section "AS-BUILT DRAWINGS." These drawings shall reflect the actual "As-Built" condition including any change orders, of the mechanical systems and installation. In addition to the requirements specified in Division 1, indicate the following installed conditions:

1. Ductwork mains and branches, size and location, for both exterior and interior;

locations of dampers and other control devices; filters, boxes, and terminal units requiring periodic maintenance or repair.

2. Mains and branches of piping systems, with valves and control devices located and numbered, concealed unions located, and with items requiring maintenance located (i.e., traps, strainers, expansion compensators, tanks, etc.). Valve location diagrams, complete with valve tag chart. Refer to Division 15 Section "MECHANICAL IDENTIFICATION." Indicate actual inverts and horizontal locations of underground piping.

3. Equipment locations (exposed and concealed), dimensioned from prominent building lines.

4. Approved substitutions, Contract Modifications, and actual equipment and materials installed.

5. Contract Modifications, actual equipment and materials installed.

1.19 MAINTENANCE MANUALS

A. Prepare maintenance manuals in accordance with Division 1 Section “GUARANTEE."

In addition to the requirements specified in Division 1, include the following information for equipment items:

BASIC MECHANICAL REQUIREMENTS 15010-10

1. Description of function, normal operating characteristics and limitations, performance curves, engineering data and tests, and complete nomenclature and commercial numbers of replacement parts.

2. Manufacturer's printed operating procedures to include start-up, break-in, and routine and normal operating instructions; regulation, control, stopping, shutdown, and emergency instructions; and summer and winter operating instructions.

3. Maintenance procedures for routine preventative maintenance and troubleshooting; disassembly, repair, and reassembly; aligning and adjusting instructions.

4. Servicing instructions and lubrication charts and schedules.

1.20 DELIVERY, STORAGE, AND HANDLING

A. Deliver products to the project properly identified with names, model numbers, types, grades, compliance labels, and other information needed for identification.

Adequately packaged and protected to prevent damage during shipment, storage, and handling.

B. Store equipment and materials at the site, unless off-site storage is authorized in writing.

Protect stored equipment and materials from damage.

C. Coordinate deliveries of mechanical materials and equipment to minimize construction site congestion. Limit each shipment of materials and equipment to the items and quantities needed for the smooth and efficient flow of installations.

D. All spiral duct stored at jobsite shall have ends of duct covered dust tight with plastic.

All fans and coils stored in non enclosed areas shall be covered with plastic to prevent moisture dirt and debris from entering. All coils shall be protected from physical damage by plywood or masonite.

E. All piping, valves, plumbing fixtures, motors and equipment stored in non-enclosed areas shall be covered with plastic to prevent moisture, dirt and debris from entering.

PART 2 - PRODUCTS

NOT APPLICABLE

BASIC MECHANICAL REQUIREMENTS 15010-11

PART 3 - EXECUTION

3.1 ROUGH-IN

A. Verify final locations for rough-ins with field measurements and with the requirements of the actual equipment to be connected. The Contractor shall field verify all existing conditions and dimensions. The Contractor shall make field adjustments as required to accommodate the new work.

B. Refer to equipment specifications in Divisions 2 through 16 for rough-in requirements.

3.2 MECHANICAL INSTALLATIONS

A. General: Sequence, coordinate, and integrate the various elements of mechanical systems, materials, and equipment. Comply with the following requirements:

1. Coordinate mechanical systems, equipment, and materials installation with other building components, including the structure, fire sprinklers, and the electrical lights and equipment.

2. Verify all dimensions by field measurements.

3. Arrange for chases, slots, and openings in other building components during progress of construction, to allow for mechanical installations.

4. Coordinate the installation of required supporting devices and sleeves to be set in poured-in-place concrete and other structural components, as they are constructed.

5. Sequence, coordinate, and integrate installations of mechanical materials and equipment for efficient flow of the Work. Give particular attention to large equipment requiring positioning prior to closing in the building.

6. Where mounting heights are not detailed or dimensioned, install systems, materials, and equipment to provide the maximum headroom possible.

7. Coordinate connection of mechanical systems with exterior underground and overhead utilities and services. Comply with requirements of governing regulations, franchised service companies, and controlling agencies. Provide required connection for each service.

BASIC MECHANICAL REQUIREMENTS 15010-12

8. Install systems, materials, and equipment to conform with approved submittal data, including coordination drawings, to greatest extent possible. Conform to arrangements indicated by the Contract Documents, recognizing that portions of the Work are shown only in diagrammatic form. Where coordination requirements conflict with individual system requirements, refer conflict to the Architect.

9. Install systems, materials, and equipment level and plumb, parallel and perpendicular to other building systems and components, where installed exposed in finished spaces.

10. Install mechanical equipment to facilitate servicing, maintenance, and repair or replacement of equipment components. As much as practical, connect equipment for ease of disconnecting, with minimum of interference with other installations. Extend grease fittings to an accessible location.

11. Install access panel or doors where units are concealed behind finished surfaces.

Access panels and doors are specified in Division 8 Section "ACCESS DOORS" and Division 15 Section "BASIC MECHANICAL MATERIALS AND

METHODS."

12. Install systems, materials, and equipment giving right-of-way priority to systems required to be installed at a specified slope, or systems requiring a fixed access clearance.

13. The Mechanical Contractor shall locate and mark the location of all holes and openings which require blocking out, cutting or core drilling.

14. Contractor shall review with Owner location, accessibility, and method of operating all domestic water and HVAC shut-off valves located in plumbing chases, ceiling cavity and mechanical rooms.

15. This contractor shall assist with and provide supervised start-up of the, hot water and chilled water systems, involving air venting, drainage, etc. Monitor the air venting until all air has been eliminated from the building system and the lines within the buildings are completely filled with fluid.

16. The ceiling cavity space is limited. Therefore the ductwork and piping locations shall be closely coordinated with each other as well as the lights, ceiling height, electrical conduit and fire sprinkler piping.

17. It is the intent, where possible to locate the domestic water piping, gas piping, fire sprinkler piping, and HVAC piping above the ductwork and tight to the structure.

BASIC MECHANICAL REQUIREMENTS 15010-13

18. Selected pipe and duct elevations are shown on the plans as an aid to the contractor in their installation. Where necessary, due to conflicts, these items may be changed as long as conflict with other items does not occur.

19. Ductwork and piping shall rise into the joist or beam space and run between joists or beams where shown on the drawings and as may be required, whether specifically shown or not, to avoid conflict with other trades.

20. This contractor shall be responsible for coordination with the fire sprinkler subcontractor and the Electrical Contractor as required to avoid and or resolve conflicts. Conflicts between piping, ducts, electrical, sprinklers, etc. shall be resolved with no additional cost or change to the contract amount.

3.3 CUTTING AND PATCHING

A. General: Perform cutting and patching in accordance with Division 1 Section "CUTTING AND REPAIRING." In addition to the requirements specified in Division 1, the following requirements apply:

1. Protection of Installed Work: During cutting and patching operations, protect adjacent installations.

B. Perform cutting, fitting, and patching of mechanical equipment and materials required to:

1. Uncover Work to provide for installation of ill-timed Work.

2. Remove and replace defective Work.

3. Remove and replace Work not conforming to requirements of the Contract

Documents.

4. Remove samples of installed Work as specified for testing.

5. Install equipment and materials in existing structures.

6. Upon written instructions from the Architect, uncover and restore Work to provide for Architect/Engineer observation of concealed Work.

3.4 WARRANTIES

A. Refer to the Division 1 Section: GUARANTEE for procedures and submittal requirements for warranties. Refer to individual equipment specifications for warranty requirements.

BASIC MECHANICAL REQUIREMENTS 15010-14

B. Compile and assemble the warranties specified in Division 15, into a separated set of vinyl covered, three ring binders, tabulated and indexed for easy reference.

C. Provide complete warranty information for each item to include product or equipment to include date of beginning of warranty or bond; duration of warranty or bond; and names, addresses, and telephone numbers and procedures for filing a claim and obtaining warranty services.

D. This Contractor shall warrant all material and equipment installed by him for a period of

1 year after completion of the project.

3.5 CLEANING

A. Refer to the Division 1 Section: "SITE CLEAN-UP" for general requirements for final cleaning.

B. Refer to Division 15 Section: "TESTING, ADJUSTING, AND BALANCING" for requirements for cleaning filters, strainers, and mechanical systems prior to final acceptance.

C. Contractor shall clean work area of all construction dirt and debris at the end of each work day.

END OF SECTION 15010

ELECTRICAL REQUIREMENTS FOR MECHANICAL EQUIPMENT 15030-1

SECTION 15030 - ELECTRICAL REQUIREMENTS FOR MECHANICAL EQUIPMENT

A. Drawings and general provisions of Contract, including General and Division-1 Specification sections, apply to work of this section.

B. Related Sections: Separate electrical components and materials required for field installation and electrical connections are specified in Division 16.

A. This section specifies the basic requirements for electrical components which are an integral part of packaged mechanical equipment. These components include, but are not limited to factory installed motors, starters, and disconnect switches furnished as an integral part of packaged mechanical equipment.

B. Specific electrical requirements (i.e. horsepower and electrical characteristics) for mechanical equipment are scheduled on the Drawings.

1.3 REFERENCES

A. NEMA Standards MG 1: Motors and Generators

B. NEMA Standard ICS 2: Industrial Control Devices, Controllers, and Assemblies.

C. NEMA Standard 250: Enclosures for Electrical Equipment

D. NEMA Standard KS 1: Enclosed Switches

E. Comply with National Electrical Code (NFPA 70).

1.4 SUBMITTALS:

A. No separate submittal is required. Submit product data including wiring diagrams, for motors, starters, and other electrical components with submittal data required for the equipment for which it serves, as required by the individual equipment specification sections.

ELECTRICAL REQUIREMENTS FOR MECHANICAL EQUIPMENT 15030-2

1.5 QUALITY ASSURANCE

A. Electrical components and materials shall be UL labeled.

2.1 MOTORS

A. The following are basic requirements for simple or common motors. For special motors, more detailed and specific requirements are specified in the individual equipment specifications.

1. Torque characteristics shall be sufficient to satisfactorily accelerate the driven loads.

2. Motor sizes shall be large enough so that the driven load will not require the motor to operate in the service factor range.

3. 2-speed motors shall have 2 separate windings on poly-phase motors.

4. Temperature Rating: Rated for 40 deg. C environment with maximum 50 deg.

C temperature rise for continuous duty at full load (Class A Insulation).

5. Starting capability: Frequency of starts as indicated by automatic control system, and not less than 5 evenly time spaced starts per hour for manually controlled motors.

6. Service Factor: 1.15 for poly-phase motors and 1.35 for single phase motors.

7. Motor construction: NEMA Standard MG 1, general purpose, continuous duty, Design "B", except "C" where required for high starting torque.

Frames: NEMA Standard No. 48 or 54; use driven equipment manufacturer's standards to suit specific application.

Bearings: ball or roller bearings with inner and outer shaft seals; re-greasable, except permanently sealed where motor is normally inaccessible for regular maintenance; designed to resist thrust

ELECTRICAL REQUIREMENTS FOR MECHANICAL EQUIPMENT 15030-3

loading where belt drives or other drives produce lateral or axial thrust in motor; for fractional horsepower, light duty motors, sleeve type bearings are permitted.

8. Enclosure Type: open drip-proof motors for indoor use where satisfactorily housed or remotely located during operation; guarded drip-proof motors where exposed to contact by employees or building occupants; weather protected Type I for outdoor use, Type II where not housed.

9. Overload protection: built-in thermal overload protection and, where indicated, internal sensing device suitable for signaling and stopping motor at starter.

10. Noise rating: "Quiet"

11. Efficiency: All new motors shall be "Energy Efficient" motors and shall have a minimum efficiency as listed below. If efficiency is not specified, motors shall have a higher efficiency than "average standard industry motors", in accordance with IEEE Standard 112, test method B.

Nominal efficiency shall be 85% or better for motors 1 horsepower and larger.

Nominal power factor shall be 74 or better for 1, 1 1/2, and 2 HP motors and 85 or better for 3 HP and larger.

12. Nameplate: indicate the full identification of manufacturer, ratings, characteristics, construction, special features and similar information.

Motors used on system voltages 120/60/1 and 480/60/3 shall bear nameplate of 115/60/1 and 230/460/60/3 respectively.

2.2 STARTERS, ELECTRICAL DEVICES, AND WIRING

A. All motor starters shall be provided by the Electrical Contractor, except where noted otherwise on the drawings to be provided with the Mechanical Equipment. Refer to the Electrical Specifications for motor starter requirements.

B. Built-in 120 volts control circuit transformer, fused from line side, where service exceeds 240 volts.

C. Externally operated manual reset.

D. Under-voltage release or protection.

ELECTRICAL REQUIREMENTS FOR MECHANICAL EQUIPMENT 15030-4

2.3 MOTOR CONNECTIONS

A. Flexible conduit, except where plug-in electrical cords are specifically indicated.

2.4 DISCONNECT SWITCHES

A. Disconnect Switches shall be provided by Electrical Contractor unless specifically called out on plans to be provided by the Mechanical Contractor.

B. Fusible switches: fused, each phase; heavy duty; horsepower rated; non-teasible quick-make, quick-break mechanism; dead front line side shield; solderless lugs suitable for copper or aluminum conductors; spring reinforced fuse clips; electro silver plated current carrying parts; hinged doors; operating lever arranged for locking in the "OPEN" position; arc quenchers; capacity and characteristics as indicated.

C. Non-fusible switches: for equipment 1 horsepower and smaller, shall be horsepower rated; toggle switch type; quantity of poles and voltage rating as indicated. For equipment larger than 1 horsepower, switches shall be the same as fusible type.

2.5 POWER FACTOR CORRECTION

A. Each motor (10 Horsepower and larger) except for motors with variable frequency drives, supplied for use within this project shall be supplied with capacitors as required to correct the power - factor of the individual motor to 95% (lagging) + 3%. The Mechanical Contractor shall secure performance data on each individual motor and condenser. Provide operating current values on the condenser, and on the motor, and total line current for the combination. Provide voltage reading at time of disconnecting motor.

B. In no event shall the condenser current exceed the "no-load" values of the motor current. Heating element ratings shall be adjusted if, and as necessary, to provide thermal protection to the motor. In the event the voltage reading at the time of disconnecting the unit exceeds a safe value, the capacitor rating shall be changed to provide safe voltages, as well as providing a power factor within the specified limit. All condensers shall be rated for operation on the system voltage specified and furnished by the equipment manufacturer.

C. Each capacitor shall be suitable for energizing at temperatures as low as -10· F. and for continuous operation in ambient temperatures not exceeding 115· F. when installed and unrestricted ventilation and energized up to 100 percent of rated voltage.

ELECTRICAL REQUIREMENTS FOR MECHANICAL EQUIPMENT 15030-5

D. Power factor correction capacitors shall be of the unit cell type. Individual capacitor cells shall be factory assembled and wired in a metallic, moisture-resistant enclosure.

All power factor correction capacitors shall be UL listed. Capacitors shall be switched on and off with the motor and shall be installed and wired by the Electrical Contractor.

E. Individual capacitor cells shall utilize polypropylene film as the dielectric with vacuum deposited aluminum layers as the electrodes. Each capacitor cell shall be furnished with replaceable fuses with a current limiting interrupting capacity of 100,000 Amps and filled with a completely biodegradable fluid.

F. Discharge resistors shall be provided to reduce the residual voltage to 50 volts or less within one minute after the capacitor has been removed from the line. Resistors shall be mounted external to the capacitor cells to minimize the dielectric operating temperature.

G. Enclosures shall be fabricated from sheet metal having a minimum thickness of 0.026", suitable for indoor or outdoor installations, designed to prevent accidental contact with live conducting parts, finished with a gray enamel and provided with integral mounting brackets for wall or floor mounting.

H. Nameplate shall contain name of manufacturer, rated voltage, frequency, kilovar rating, number of poles and amount of combustible fluid in gallons. Nameplate shall be externally attached to the enclosure.

PART 3 - EXECUTION (Not Applicable).

END OF SECTION 15030

BASIC MECHANICAL MATERIALS AND METHODS 15050-1

SECTION 15050 - BASIC MECHANICAL MATERIALS AND METHODS

Specification Sections, apply to this Section.

B. Requirements specified in Division 15 Section "BASIC MECHANICAL

REQUIREMENTS" apply to this Section.

A. This Section includes limited scope general construction materials and methods for application with mechanical installations as follows:

1. Mechanical equipment nameplate data.

2. Excavation for underground utilities and services, including underground piping

(under the building and from building to utility connection), tanks, basins, and equipment.

3. Miscellaneous metals for support of mechanical materials and equipment.

4. Wood grounds, nailers, blocking, fasteners, and anchorage for support of mechanical materials and equipment.

5. Joint sealers for sealing around mechanical materials and equipment; and for sealing penetrations in fire and smoke barriers, floors, and foundation walls.

6. Access panels and doors in walls, ceilings, and floors for access to mechanical materials and equipment.

7. V-Belt drives.

1.3 DEFINITIONS

A. The following definitions apply to excavation operations:

BASIC MECHANICAL MATERIALS AND METHODS 15050-2

1. Additional Excavation: Where excavation has reached required subgrade elevations, if unsuitable bearing materials are encountered, continue excavation until suitable bearing materials are reached.

2. Subbase: as used in this Section refers to the compacted soil layer used in pavement systems between the subgrade and the pavement base course material.

3. Subgrade: as used in this Section refers to the compacted soil immediately below the slab or pavement system.

4. Unauthorized excavation consists of removal of materials beyond indicated subgrade elevations or dimensions without specific direction from the Architect.

1.4 SUBMITTALS

A. General: Submit the following in accordance with Conditions of Contract and Division 1 Specification Sections.

B. Product data for the following products:

Access panels and doors.

Joint sealers.

C. Shop drawings detailing fabrication and installation for metal fabrications, and wood supports and anchorage for mechanical materials and equipment.

D. Coordination drawings for access panel and door locations in accordance with Division

15 Section "BASIC MECHANICAL REQUIREMENTS."

E. Samples of joint sealer, consisting of strips of actual products showing full range of colors available for each product.

F. Welder certificates, signed by Contractor, certifying that welders comply with requirements specified under "Quality Assurance" article of this Section.

G. Schedules indicating proposed methods and sequence of operations for selective demolition prior to commencement of Work. Include coordination for shut-off of utility services and details for dust and noise control.

BASIC MECHANICAL MATERIALS AND METHODS 15050-3

1. Coordinate sequencing with construction phasing and Government occupancy requirements.

1.5 QUALITY ASSURANCE

A. Installer Qualifications: Engage an experienced Installer for the installation and application joint sealers, access panels, and doors.

B. Qualify welding processes and welding operators in accordance with AWS D1.1

"Structural Welding Code - Steel."

1. Certify that each welder has satisfactorily passed AWS qualification tests for welding processes involved and, if pertinent, has undergone re-certification.

C. Fire-Resistance Ratings: Where a fire-resistance classification is indicated, provide access door assembly with panel door, frame, hinge, and latch from manufacturer listed in the UL "Building Materials Directory" for rating shown.

1. Provide UL Label on each fire-rated access door.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Deliver joint sealer materials in original unopened containers or bundles with labels informing about manufacturer, product name and designation, color, expiration period for use, pot life, curing time, and mixing instructions for multi-component materials.

B. Store and handle joint sealer materials in compliance with the manufacturers' recommendations to prevent their deterioration and damage.

1.7 PROJECT CONDITIONS

A. Conditions Affecting Excavations: The following project conditions apply:

1. Maintain and protect existing building services which transit the area affected by selective demolition.

2. Protect structures, utilities, sidewalks, pavements, and other facilities from damage caused by settlement, lateral movement, undermining, washout, and other hazards created by excavation operations.

BASIC MECHANICAL MATERIALS AND METHODS 15050-4

3. Site Information: Subsurface conditions were investigated during the design of the Project. Reports of these investigations are available for information only;

data in the reports are not intended as representations or warranties of accuracy or continuity of conditions. The Government will not be responsible for interpretations or conclusions drawn from this information.

4. Existing Utilities: Locate existing underground utilities in excavation areas. If utilities are indicated to remain, support and protect services during excavation operations.

5. Uncharted or Incorrectly Charted Utilities: Contact utility owner immediately for instructions.

6. Use of explosives is not permitted.

B. Environmental Conditions: Apply joint sealers under temperature and humidity conditions within the limits permitted by the joint sealer manufacturer. Do not apply joint sealers to wet substrates.

2.1 MECHANICAL EQUIPMENT NAMEPLATE DATA

A. Nameplate: For each piece of power operated mechanical equipment provide a permanent operational data nameplate indicating manufacturer, product name, model number, serial number, capacity, operating and power characteristics, labels of tested compliances, and similar essential data. Locate nameplates in an accessible location.

Nameplates shall be stamped, permanent type only.

2.2 SOIL MATERIALS

A. Comply with Section "EARTHWORK".

2.3 MISCELLANEOUS METALS

A. Steel plates, shapes, bars, and bar grating: ASTM A 36.

B Cold-Formed Steel Tubing: ASTM A 500.

C. Hot-Rolled Steel Tubing: ASTM A 501.

D. Steel Pipe: ASTM A 53, Schedule 40, Grade B welded.

BASIC MECHANICAL MATERIALS AND METHODS 15050-5

E. Non-shrink, Non-metallic Grout: Premixed, factory-packaged, non-staining, non-corrosive, nongaseous grout, recommended for interior and exterior applications.

F. Fasteners: Zinc-coated, type, grade, and class as required.

2.4 MISCELLANEOUS LUMBER

A. Framing Materials: Standard Grade, light-framing-size lumber of any species. Number 3 Common or Standard Grade boards complying with WCLIB or AWPA rules, or Number 3 boards complying with SPIB rules. Lumber shall be preservative treated in accordance with AWPB LP-2, and kiln dried to a moisture content of not more than 19 percent.

B. Construction Panels: Plywood panels; APA C-D PLUGGED INT, with exterior glue;

thickness as indicated, or if not indicated, not less that 15/32 inches.

2.5 JOINT SEALERS

A. General: Joint sealers, joint fillers, and other related materials compatible with each other and with joint substrates under conditions of service and application.

B. Colors: As selected by the Architect from manufacturer's standard colors.

C. Elastomeric Joint Sealers: Provide the following types:

1. One-part, nonacid-curing, silicone sealant complying with ASTM C 920, Type

S, Grade NS, Class 25, for uses in non-traffic areas for masonry, glass, aluminum, and other substrates recommended by the sealant manufacturer.

2. One-part, mildew-resistant, silicone sealant complying with ASTM C 920, Type

S, Grade NS, Class 25, for uses in non-traffic areas for glass, aluminum, and nonporous joint substrates; formulated with fungicide; intended for sealing interior joints with nonporous substrates; and subject to in-service exposure to conditions of high humidity and temperature extremes.

3. Products: Subject to compliance with requirements, provide one of the following:

BASIC MECHANICAL MATERIALS AND METHODS 15050-6

One-Part, Nonacid-Curing, Silicone Sealant:

"Chem-Calk N-Cure 2000," Bostic Construction Products Div.

"Dow Corning 790," Dow Corning Corp.

"Silglaze N SCS 2501," General Electric Co.

"Silpruf SCS 2000," General Electric Co.

"864," Pecora Corp.

"Rhodorsil 5C," Rhone-Poulenc, Inc.

"Spectrum 1," Tremco, Inc.

"Spectrum 2," Tremco, Inc.

"Dow Corning 795," Dow Corning Corp.

"Rhodorsil 6B," Rhone-Poulenc, Inc.

"Rhodorsil 70," Rhone-Poulenc, Inc.

"Omniseal," Sonneborn Building Products Div.

"Chem-Calk 100," Bostik Construction Products Div.

"Gesil N SCS 2600," General Electric Co.

One-Part, Mildew-Resistant, Silicone Sealant:

"Dow Corning 786," Dow Corning Corp.

"SCS 1702 Sanitary," General Electric Co.

"863 #345 White," Pecora Corp.

"Rhodorsil 6B White," Rhone-Poulenc, Inc.

"Proglaze White," Tremco Corp.

"OmniPlus," Sonneborn Building Products Div.

D. Acrylic-Emulsion Sealants: One-part, non-sag, mildew-resistant, paintable complying with ASTM C 834 recommended for exposed applications on interior and protected exterior locations involving joint movement of not more than plus or minus 5 percent.

1. Products: Subject to compliance with requirements, provide one of the

"Chem-Calk 600," Bostik Construction Products Div.

"AC-20," Pecora Corp.

"Sonolac," Sonneborn Building Products Div.

"Tremco Acrylic Latex 834," Tremco, Inc.

BASIC MECHANICAL MATERIALS AND METHODS 15050-7

E. Fire-Resistant Joint Sealers: Two-part, foamed-in-place, silicone sealant formulated for use in through-penetration fire-stopping around cables, conduit, pipes, and duct penetrations through fire-rated walls and floors. Sealants and accessories shall have fire-resistance ratings indicated, as established by testing identical assemblies in accordance with ASTM E 814, by Underwriters' Laboratories, Inc., or other testing and inspection agency acceptable to authorities having jurisdiction.

1. Products: Subject to compliance with requirements, provide one of the

"3M" Fire Stop Systems, St. Paul, Minn.

"Dow Corning Fire Stop Foam," Dow Corning Corp.

"Pensil 851," General Electric Co.

F. Pick-proof Sealant: All interior joints in areas of inmate accessibility.

1. Sealant shall meet or exceed requirements of ASTM C-920, Type M, Grade NS, Class 12-1/2; use T, M.

2. Sealant shall be 2 part and job site mixed.

3. Products: Subject to compliance with requirements, provide one of the

"HPL Sealant", Tremco, Inc.

"Dynflex". Pecora Corp.

"Sikadur 32, Hi-Mod" Sika Peterson Corp.

2.6 ACCESS DOORS

A. Steel Access Doors and Frames: Factory-fabricated and assembled units, complete with attachment devices and fasteners ready for installation. Joints and seams shall be continuously welded steel, with welds ground smooth and flush with adjacent surfaces.

B. Frames: 16-gage steel, with a 1-inch-wide exposed perimeter flange for units installed in unit masonry, pre-cast, or cast-in-place concrete, ceramic tile, or wood paneling.

1. For installation in masonry, concrete, ceramic tile, or wood paneling: 1 inch-wide-exposed perimeter flange and adjustable metal masonry anchors.

BASIC MECHANICAL MATERIALS AND METHODS 15050-8

2. For gypsum wallboard or plaster: perforated flanges with wallboard bead.

3. For full-bed plaster applications: galvanized expanded metal lath and exposed casing bead, welded to perimeter of frame.

C. Flush Panel Doors: 14-gage sheet steel, with concealed spring hinges or concealed continuous piano hinge set to open 175 degrees; factory-applied prime paint.

1. Fire-Rated Units: Insulated flush panel doors, with continuous piano hinge and self-closing mechanism.

D. Locking Devices: Where indicated, provide 5-pin or 5-disc type cylinder locks, individually keyed; provide 2 keys.

E. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

Bar-Co., Inc.

J.L. Industries.

Karp Associates, Inc.

Milcor Div. Inryco, Inc.

Nystrom, Inc.

2.7 V-BELT DRIVES

A. Capacity of V-Belt Drives at rated RPM shall be not less than 150 percent of motor nameplate horsepower rating.

B. V-Belt Drive combinations shall be limited to A, B, C, and fractional horsepower belts.

3V, 5V, and 8V belts and sheaves shall not be used.

C. Drives requiring single belt application shall be of the adjustable pitch type. Multiple belt drives shall be of the non-adjustable type. All fixed pitch sheaves, including single groove fan sheaves, shall be of the bushed type. Fixed bore sheaves will not be acceptable for non-adjustable pitch sheaves.

2.8 DRIP PANS

A. Provide drip pans fabricated from corrosion-resistant sheet metal with watertight joints, and with edges turned up 2-1/2". Reinforce top, either by structural angles or by rolling top over 1/4" steel rod. Provide hole, gasket, and flange at low point for watertight joint and 1" drain line connections.

BASIC MECHANICAL MATERIALS AND METHODS 15050-9

3.1 EXAMINATION

A. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting installation and application of joint sealers and access panels. Do not proceed with installation until unsatisfactory conditions have been corrected.

3.2 PREPARATION FOR JOINT SEALERS

A. Surface Cleaning for Joint Sealers: Clean surfaces of joints immediately before applying joint sealers to comply with recommendations of joint sealer manufacturer.

B. Apply joint sealer primer to substrates as recommended by joint sealer manufacturer.

Protect adjacent areas from spillage and migration of primers, using masking tape.

Remove tape immediately after tooling without disturbing joint seal.

3.3 EXCAVATION AND BACKFILL

A. Perform excavation and backfill for mechanical work in accordance with DIVISION 2

SECTION "EARTHWORK".

B. Provide backfill for underground tanks in accordance with the manufacturers requirements for material type, grade and compaction.

C. Rock may be present on this site, and may be encountered during excavation. Refer to soils boring locations shown on civil plans, the soils boring logs, and Section 2 of the Specifications. Copies of the soil boring logs are available for review at the following:

3.4 ERECTION OF METAL SUPPORTS AND ANCHORAGE

A. Cut, fit, and place miscellaneous metal fabrications accurately in location, alignment, and elevation to support and anchor mechanical materials and equipment.

B. Field Welding: Comply with AWS "Structural Welding Code."

BASIC MECHANICAL MATERIALS AND METHODS 15050-10

3.5 ERECTION OF WOOD SUPPORTS AND ANCHORAGE

A. Cut, fit, and place wood grounds, nailers, blocking, and anchorage accurately in location, alignment, and elevation to support and anchor mechanical materials and equipment.

B. Select fastener sizes that will not penetrate members where opposite side will be exposed to view or will receive finish materials. Make tight connections between members. Install fasteners without splitting wood members.

C. Attach to substrates as required to support applied loads.

3.6 APPLICATION OF JOINT SEALERS

A. General: Comply with joint sealer manufacturers' printed application instructions applicable to products and applications indicated, except where more stringent requirements apply.

1. Comply with recommendations of ASTM C 962 for use of elastomeric joint sealants.

2. Comply with…