Disciplina Sonido-Acústica

8/6/2019 Disciplina Sonido-Acstica

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Chapter B

ShellPerformance

A. Basic Function:

1. Objective:

a. The construction will provide permanently enclosed spaces for all functional

areas shown in the project program. The construction will provide a physical

enclosure that keeps out weather, vandals, animals, and insects without

requiring specific action by occupants, while providing convenient movement

of occupants between interior and exterior, and natural light where feasible. The

construction will provide level floor areas, ceiling heights as appropriate for the

space and activities, and plumb (vertical) walls.

2. Enclosure Elements:

a. The elements forming usable enclosed space and separating that space from the

external environment comprise the shell and consist of the superstructure,

exterior enclosures, and roofing.

b. Superstructure: All elements that form floors and roofs and their support

structures above grade and within basements, and the elements required for their

support, insulation, fireproofing, and firestopping.

c. Exterior Enclosure: All essentially vertical elements forming the separation

between exterior and interior conditioned and unconditioned space, including

exterior skin, components supporting weather barriers, and jointing andinterfacing components; not including the interior skin unless it is an integral

part of the enclosure.

d. Roofing: All elements that form weather and thermal barriers at horizontal and

sloped roofs and decks, and roof fixtures.

3. Verification:

a. Verification is achieved by evaluation of completed projects and projects in

process of construction by Area FM personnel and licensed professionals toconfirm compliance with detailed performance criteria. Detailed verification

notes contained in this chapter are to assist area personnel in identifying

verification techniques for specific requirements.

B. Amenity and Comfort:


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c. Verification:

1) Identification of applicable thermal resistant materials, systems, and

techniques.2) Detailed listing of design criteria and analysis prepared by a licensed

mechanical engineer.

3) Product data on thermal materials and details of thermal barriers and

assemblies.

3. Ventilation of Special Spaces:a. The construction will provide outside air movement through enclosed shell

volumes, such as attics, to avoid the accumulation of excess heat and humidity.

C. Health and Safety

1. Building Egress (Exiting):

a. The construction will provide openings in the exterior shell adequate for the

safe egress of occupants when the meetinghouse is fully occupied.

b. For multistory meetinghouses, the construction will provide a minimum of two

exits from each floor that are separated by a minimum distance of one-half thelargest diagonal dimension of the building.

2. Fire Resistance:

a. The construction will provide fire resistance that provides for the life safety of

occupants, regardless of minimal or non-existent local requirements.

b. Verification:

1) Review provisions for fire resistance in the construction documents and

confirm in actual construction.

3. Accidental Injury:

a. The construction will protect pedestrians and building occupants in accordance

with the following:

1) The construction will prevent ice and snow from falling off building

elements onto pedestrians, building occupants, vehicles, and equipment.

b. Verification:

1) Review provisions for prevention of accidental injury in the construction

documents and confirm them in actual construction.

4. Glazed Areas Subject to Human Impact:

a. Safety glazing is to be provided in all glazed areas subject to human impact,

including glazed areas at grade, in doors, and in glazed panels adjacent to doors.

5 Ph sical Sec rit :


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2) Identification of materials to be used, the physical properties that

accomplish the security requirements, and details of anchorage to the

structure.3) Proven-in-use or proven-by-mock-up materials used to comply with

security requirements; construction details.

D. Structure:

1. Structural Function:

a. The structure will be designed and constructed so as to prevent injury to

occupants due to loading of a structural element or system, consistent with thedesign performance levels in requirement c below.

b. The structure will be designed and constructed to prevent loss of property and

amenity, consistent with the design performance levels in requirement c below.

c. Design Performance Levels: The structure will be designed for the following

maximum levels of damage for the specified magnitude of design events:

1) Mild impact for the small (frequent) event

2) Mild impact for the medium (less frequent) event

3) Moderate impact for the large (rare) event4) High impact for the very large (very rare) event

d. Impact Definitions:

1) Mild Impact

a) There is no structural damage and the building is safe to occupy.

b) Nonstructural systems needed for normal building use and emergency

operations are fully operational.

c) Injuries to building occupants are minimal in number and minor in

nature. There is a very low likelihood of single- or multiple-life loss.

d) Damage to building contents is minimal in extent and minor in cost.

2) Moderate Impact

a) There is moderate structural damage, which is repairable; some delay

in reoccupancy can be expected.

b) Nonstructural systems needed for normal building use are fully

operational, although some cleanup and repair may be needed.

Emergency systems remain fully operational.c) Injuries to building occupants may be locally significant, but generally

moderate in number and nature. There is a low likelihood of single-

life loss and a very low likelihood of multiple-life loss.

d) Damage to building contents may be locally significant, but generally

moderate in extent and cost.


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c) Injuries to building occupants may be locally significant with a high

risk to life, but are generally moderate in number and nature. There is

a moderate likelihood of single-life loss, with a low probability ofmultiple-life loss.

d) Damage to building contents may be locally total and generally

significant.

2. Structural Performance:

a. The structure, or portions thereof, will remain stable and not collapse during

construction or alteration and throughout its life.

b. The structure will be designed to sustain local damage. The structural system asa whole will remain stable and not be damaged to an extent disproportionate to

the original local damage.

c. The structure, or portions thereof, will have a low probability of causing

damage or loss of amenity through excessive deformation, vibration, or

degradation during construction or alteration and throughout its life.

d. The structure, or portions thereof, will be designed and constructed taking into

account all expected loads, and combination of loads, associated with the

event(s) magnitude(s) that would affect their performance, but not limited to:

1) Dead loads

2) Live loads

3) Impact loads

4) Explosion loads

5) Soil and hydrostatic pressure loads

6) Flood loads (mean return period)

a) Small: 20 years b) Medium: 50 years

c) Large: 100 years

d) Very Large: 500 years

7) Wind loads (mean return period)

a) Small: 50 years

b) Medium: 75 years

c) Large: 100 years


8) Wind-borne debris loads

9) Snow loads (mean return period)

a) Small: 25 years

b) Medium: 30 years

c) Large: 50 years


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12) Ice loads, atmospheric icing (mean return period)

a) Small: 25 years

b) Medium: 50 yearsc) Large: 100 years


13) Hail loads

14) Thermal loads

e. The design of the building structure will consider appropriate factors of safety

to provide adequate performance from:

1) Effects of uncertainties resulting from construction activities.

2) Variation in the properties of materials and the characteristics of the site.

3) Accuracy limitations inherent in the methods used to predict the stability of

the building.

4) Self-straining forces arising from differential settlements of the

substructure and from restrained dimensional changes due to temperature,

moisture, shrinkage, creep, and similar effects.

f. The demolition or alteration of the building structure will be carried out in a

way that avoids the likelihood of premature collapse.g. Site work will be carried out to provide stability for construction on the site and

to avoid the likelihood of damage to adjacent property.

3. Verification:

a. Geotechnical and soils investigation report prepared by a licensed geotechnical

and soils engineer.

b. Detailed design criteria, calculations, drawings, and specifications prepared by a

licensed structural engineer.

E. Durability:

1. Service Life Span:a. Same as building service life, except as follows:

1) Load-Bearing Structural Members: Minimum 50 years.

a) No anticipated deterioration when protected as constructed.

2) Protective Elements: Minimum 25 years.

3) Wall Primary Weather-Barrier Elements: Minimum 50 years functional

and aesthetic service life, excluding joint sealers.

4) Joint Sealers: Minimum 20 years before replacement.

5) Surfaces Exposed to View: Minimum 20 years aesthetic service life; in

addition, deterioration includes color fading, crazing, and delamination of

li d ti


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3. Weather Resistance:a. The construction will minimize deterioration due to precipitation, sunlight,

ozone, normal temperature changes, salt air, and atmospheric pollutants.1) Deterioration includes corrosion, shrinking, cracking, spalling,

delamination, abnormal oxidation, decay, and rot.

2) Surfaces Exposed to View: Deterioration adversely affecting aesthetic life

span includes color fading, crazing, and delamination of applied coatings.

3) Joint Components and Penetration Seals: Capable of resisting expected

thermal expansion and contraction; use overlapping joints that shed water

wherever possible.

4) Freeze-Thaw Resistance: Adequate for the climate of the meetinghouse

location.

5) Corrosion Resistance: In locations exposed to the outdoor air or in

potential contact with moisture inside shell assemblies, the construction

will use only corrosion-resistant metals.

6) Ozone Resistance: Do not use materials that are adversely affected by

ozone.

b. Verification:1) Details of proven-in-use materials and test reports.

4. Moisture Resistance of Load-Bearing Members:a. The superstructure will use materials that are not damaged by contact with

water or moisture vapor.

5. Moisture Vapor Transmission:

a. The construction will prevent deterioration of materials due to condensation of

moisture vapor inside assemblies.

b. Verification:

1) Identification of building elements providing moisture barrier, materials to

be used, and data showing performance.

2) Proven-in-use or proven-by-mock-up data.

6. Vermin Protection:

a. The construction will provide permanent protection against infestation by

termites, insects, and other vermin. The construction will not use materials thatare attractive to or edible by animals or birds.

b. Verification:

1) Identification of major termite- and animal-resistant assemblies,

nonhazardous chemical treatments, and ventilation features intended for

protection against termites and other vermin


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8. Ambient Temperature Change:a. Allow for daily expansion and contraction within and between elements caused

by temperature range from the most extreme low temperature to 39 degrees C(70 degrees F) greater than the most extreme high temperature, in any year,

without causing detrimental effect to components and anchorage.

F. Operation and Maintenance:

1. Cleanliness of Exterior Surfaces:

a. The shell will be constructed to:

1) Prevent attraction and adherence of dust and airborne dirt and soot, andminimize the appearance of settled dust and dirt.

2) Be washed reasonably clean by normal precipitation.

3) Prevent precipitation from washing settled dust and dirt over surfaces

exposed to view.


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Chapter B3

RoofingPerformance

A. Basic Function:

1. Objective:

a. The construction will provide a weatherproof enclosure over the entire top side

of the building that keep out vandals, animals, and insects without requiring

specific action by occupants. The enclosure will shed water and preventuncontrolled water infiltration, withstand anticipated loading conditions, and

provide required access.

2. Roofing Elements:

a. Roof Coverings: Weather barriers, vapor retarders, insulation, wearing

surfaces, water collectors and conductors; including coverings over plaza decks,

balconies, and other exposed floors.

b. Roof Openings: Ventilation openings, access openings, and other roof-openingelements.

c. Roof Fixtures: All elements attached to the roof, unless equipment or services.

3. Verification:

a. Post-Construction: Roof inspection conducted in the first spring after

completion of roofing, after chance of snow has passed or as deemed

appropriate.

b. Post-Construction: Roof inspection conducted after the first annual weathercycle after completion of roofing.


1. Runoff:

a. The construction will direct water runoff away from foundations in a way that

avoids back splashing onto building components or ponding against foundation

walls.2. Noise of Precipitation:

a. The construction will use materials that dampen the sound of precipitation on

the roof to maintain acceptable interior ambient sound levels.

C. Durability:


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Chapter D

ServicesPerformance

A. Basic Function:

1. Objective:

a. The construction will provide services necessary for the proper function of the

meetinghouse, utilizing systems that may consist of:

1) Elevators: Mechanized means of conveying people and goods whenrequired.

2) Water and Drainage: Means of delivery of water to points of utilization;

automatic heating of domestic water; and unattended removal of water,

rainwater, surface water, and liquid waste.

3) HVAC (Heating, Ventilating, and Air Conditioning): Artificial means of

maintaining interior space comfort and air quality, including heating,

cooling, ventilation, and energy supply, as appropriate, for active climatecontrol designs.

4) Electrical Power: Energy to operate all electrically operated devices.

5) Artificial Lighting: Means of illuminating spaces and tasks, both interior

and exterior, independent of reliance on natural light.

6) Telecommunications: Services that include voice and data transmission,

sound reinforcement, and satellite.

2. Verification:a. Verification is achieved by evaluation of completed projects and projects in

process of construction by Area FM personnel and licensed professionals, to

confirm compliance with detailed performance criteria. Detailed verification

notes contained in this chapter are to assist area personnel in identifying

verification techniques for specific requirements.


1. Sound Reinforcement:a. The construction will provide sound reinforcement systems in large assembly

spaces so that occupants can hear and understand all of the worship services,

including music and speech. The system will amplify speech to a level that

allows listeners to hear and understand the services when: a speaker speaks

softly or unclearly; a listener has impaired hearing; or a high level of


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3. Sound and Vibration:a. The construction will prevent transmission of perceptible sound and vibration

from services equipment that rotates, vibrates, or generates sound, by isolatingsuch equipment from superstructure or by isolating equipment support

foundations from building foundations.

b. Verification:

1) Measurement of sound transmitted through the structure during functional

performance testing and during full operation of all systems.

4. Equipment Producing By-Product Heat:

a. The construction will provide ventilation for housings and cabinets as requiredby the equipment manufacturer and rooms and spaces as required to maintain

specified environmental conditions.

5. Odor Control:

a. The construction will eliminate, isolate, or exhaust odors produced by occupant

functions and building services.

6. Appearance:a. The construction will conceal services elements from view to the greatest extent

possible, with exposed portions of simple, neutral design and color.

C. Health and Safety:

1. General:

a. All services and service-related components are to promote and safeguard the

health and safety of building occupants. Equipment used in the construction is

to be certified for safety by reputable testing institutions.

2. Lightning Hazard:

a. The construction will minimize damage to the structure, services, and contents

due to lightning strikes.

1) Provide lightning protection for the meetinghouse steeple. Include

additional protection for the facility based on local requirements and

industry best practice. Conceal the system within the building whenever

possible.b. Verification: Continuity tests for grounding conductors, equipotential bonding

of other systems, and ground terminals; ground resistance test for each ground

terminal, or the equivalent, taking into account related grounding systems.

D. Structure:


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E. Durability:

1. Expected Service Life Span:a. The same as the service life of the building, except as follows:

1) Ducts, piping, and wiring in all services: Same as the service life of the

building.

2) All components permanently installed underground or encased in concrete:

Same as service life of building.

3) Elevators: Minimum 20 years.

4) Plumbing:

a) Plumbing fixtures: Same as building service life.b) Sink faucets, but not other fittings: Minimum 10 years.

5) HVAC:

a) Dampers, louvers, registers, grilles: Same as the service life of

building.

b) Main heat generation and cooling equipment: Minimum 20 years.

6) Electrical:

a) Power distribution equipment: Same as the building service life.

7) Lighting fixtures: Minimum 20 years.

8) Telecommunications systems: Minimum 10 years.

2. Weather Resistance:

a. All service-related components of the construction exposed to outdoor

environment will be resistant to deterioration or be protected by elements that

are resistant to deterioration. The construction will prevent freezing of liquid

storage and distribution components during the longest duration of anticipated

low temperatures. Equipment will be designed to endure temperature and

humidity and to resist damage due to expansion and contraction.

3. Condensation:a. The construction will provide drain pans and piping to remove condensation

from all equipment where condensation is created.

4. Corrosion Prevention:

a. Corrosion will be prevented by using corrosion-resistant materials, preventinggalvanic action, preventing contact between metals and concrete and masonry,

and preventing condensation on metals.


1. Energy Efficiency:


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3. Ease of Cleaning:a. Equipment mountings will be designed to allow easy cleaning around and under

equipment, without crevices, cracks, and concealed spaces where dirt and greasecan accumulate.

4. Ease of Repair:

a. The construction will provide a means of isolating portions of systems where

possible, so that small portions may be shut down, leaving the remainder in

operation.

5. Ease of Equipment Removal:

a. The construction will provide doors and corridors large enough for the removal

of major pieces of equipment such as chillers, and boilers.

b. Verification:

1) Construction documents: Indicate the sizes of doors and corridors used for

removal of equipment. Indicate equipment sizes.


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Chapter D72

Sound ReinforcementPerformance

A. Basic Function:

1. Objective:

a. The construction will provide sufficient sound reinforcement to provide clear,

audible sound to persons with normal and slightly impaired hearing in the

following spaces:1) Chapel:

a) Reinforcement of speech by untrained speakers at the pulpit, sacrament

table, rostrum, and in the congregation

b) Reinforcement of vocal soloists at moderate volume levels

c) Playback of electronic organ or keyboard when adequate loudspeakers

are not included with the instrument

d) Playback of satellite audio in buildings so equipped2) Cultural Halls:

a) Playback of sound originating in the chapel when the rooms are

combined

b) Reinforcement of simple music and dramatic events

c) Playback of recorded material for dances, exercise, and so on, at

moderate volume levels

d) Augmentation of the chapel organ when the rooms are combined

3) Space designated for Relief Society use:a) Single microphone input for a pulpit microphone, hand microphone, or

lapel microphone

b) Overflow audio from the chapel system

4) Space designated for Primary assemblies: (The sound system is primarily a

teaching tool for children to learn how to use a microphone.)

a) Single microphone input for a pulpit microphone or hand microphone

b) Overflow audio from the chapel system

5) Foyers, mothers' room, other assembly teaching areas, and high council

room:

a) Sound from the chapel system or from the cultural hall system when

the chapel system is on.

B Amenity and Comfort:


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c. In large meetinghouses with operable partitions, the system configuration may

be set automatically by reading the status (open or closed) of the partitions.

2. Accessibility:a. Systems will comply with requirements of local codes for facilities for the

disabled.

3. Intelligibility:

a. The system will provide electro-acoustical equipment with the following

characteristics:

1) Pulpit microphone:

a) Easily adjusted to the proper height by inexperienced users

b) Clear, natural sounding, without pops or exaggerated bass

c) Directional pickup to maximize pickup of speaker while rejecting

noise and feedback

2) General-purpose microphone for hand or floor stand use:

a) Dynamic element, requiring no battery or phantom power

b) Same characteristics as pulpit microphone

3) Sacrament table microphone (for permanently mounted tables):a) Operable cover with printed sacrament prayers

b) Automatic turn-on and turn-off when cover is operated

c) Same characteristics as the pulpit microphone

4) Loudspeakers with 70-volt or 100-volt line transformers:

a) Minimum frequency response 40Hz-12Khz, +/-2dB on axis

b) No more than 6dB down at 4 KHz, 30 degrees off axis

c) Power rating 16 watts

d) Sensitivity 98 dB @ 1 watt/1metere) Sealed enclosure of at least 0.5 cubic feet (back box)

f) Power taps selectable between watt to 8 watts in 3 dB steps

5) Loudspeaker layout:

a) Speakers placed so that each listener, including those on the rostrum, is

within 30 degrees of a loudspeaker

b) Select power taps and power amplifier capacity to provide at least 85

dBA SPL of normal program material with no audible distortion(typically 4 to 8 watts). Select taps to compensate for varying

loudspeaker distances (ceiling heights) to achieve seat-to-seat variation

of less than +/- 3 dB at the 4 KHz octave band.

b. The system will provide electronic equipment for small meetinghouses (130 and

170 chapel capacities) with the following characteristics:


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total loudspeaker load.

6) Installed in a library or secure room (vault) with external power switch and

master volume control near pulpit.7) Equalization by integrated or modular equalizer. Minimum 15 parametric

EQ bands, with Q variable between 2 and 40

c. The system will provide electronic equipment for large meetinghouses (230

chapel capacity or more) with the following characteristics:

1) Meets or exceeds industry standards for frequency response, noise,

distortion, etc.

2) Power amplifiers are separate from mixing, processing, and equalization

equipment.

3) Sufficient power capacity for total loudspeaker load plus 10% reserve

4) Inputs:

a) Pulpit microphone with phantom power

b) Sacrament table with phantom power

c) Two hand microphones in the chapel

d) Satellite input and cassette input (may be shared with appropriate

switching)e) Three separate microphone inputs in the cultural hall

5) Outputs:

a) Chapel

b) Chapel overflow zone

c) Assembly teaching areas

d) Assisted listening

e) Perimeter (foyer, etc.)

6) The chapel mixer will operate with preset volume controls with only amaster volume control at the rostrum. The mixer will automatically adjust

the input gains for maximum gain according to the number of microphones

in use.

7) The chapel mixer will have an automatic leveling circuit that adjusts the

gain so soft and loud speakers have equal volume. Variations of short

duration will be allowed to provide dynamic range for emphasis and

dramatic effect.8) The cultural center system will function automatically at preset levels or

may be switched by the users for manual operation and adjusted with

individual manual volume controls.

9) The system will automatically configure itself for the event at hand, based

on what operable partitions are opened. No user-operated switches are


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Provisions will be made for cloning a replacement in the event of

catastrophic failure. A modem will permit remote system diagnosis and

minor adjustments.d. Verification:

1) Design validation by computer modeling with EASE or JBL CADP.

2) Completed system function validation by TEF or SMAART measurements

by a qualified acoustician:

a) Intelligibility: ALcons


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Chapter G

SiteworkPerformance

A. Basic Function:

1. Objective:

a. The construction will provide all modifications to the site, site improvements, and

utilities required for proper functioning of the meetinghouse. The construction will

fit the meetinghouse and site activities to the topography, soils, and existingvegetation as deemed prudent.

2. Image:

a. The finished meetinghouse site is to portray an image of dignity and reverence.Site finishes and landscaping are to complement and accent the meetinghouse

design as appropriate.

3. Level of Quality:

a. A meetinghouse site is to be finished and landscaped at a level of quality that is ator slightly above the level to which the sites of other public and institutional

facilities in the community are finished, provided that the level of finish is

appropriate for a house of worship and avoids an appearance of opulence.

4. Sitework Elements:

a. Sitework is composed of the following elements:

1) Site Preparation: All modifications to the site and grades required forconstruction of new work and for proper functioning of the meetinghouse

2) Site Improvements: All elements required to provide finished and durable site

surfaces and outdoor improvements, including landscaping3) Site Services: All outdoor and underground elements required to complete the

design of services defined in Chapter D, "Services".

5. Verification:

a. Verification is achieved by evaluation of completed projects and projects in processof construction by area FM personnel and licensed professionals to confirm

compliance with detailed performance criteria. Detailed verification notescontained in this chapter are to assist area personnel in identifying verificationtechniques for specific requirements.


1 Acoustical Performance:


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2. Appearance:

a. The construction will have finished surfaces which are smooth and uniform in

appearance without depressions that collect water.1) The construction will conceal the following from view:

a) Trash collection and storage areas b) Utility yards

b. Verification:

1) Site plans showing methods of achieving appearance requirements; renderingsor sketches showing principal views.

C. Health and Safety:

1. Physical Security:

a. The construction will provide the necessary features to provide a secure site asdictated by local circumstances. When provided, site security elements are not to

detract from the image of dignity and reverence the site is to portray.

D. Structure:

1. Earthwork Bearing Capacity:

a. Under substructure, paving, and site structural elements, maintain natural bearingcapacity or achieve or correct compaction as required to prevent uncontrolled

subsidence (settlement) or other movement.

2. Site Fixtures, Equipment, and Services:

a. The construction will provide foundations or other mountings as required to

support the completed and operational elements permanently, safely, and without

uncontrolled subsidence or other movement.

3. Verification:a. Geotechnical and soils investigation report prepared by a licensed geotechnical and

soils engineer.

b. Detailed design criteria, calculations, drawings, and specifications prepared by alicensed structural engineer

E. Durability:

1. Soil Erosion Resistance:

a. The construction will comply with the following:1) The construction will maintain the existing site features that contribute to

erosion resistance to the greatest extent possible.

2) The construction will include measures to prevent soil erosion.

2. Flooding:


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1. Cleanliness of Exterior Surfaces:

a. The construction will provide above-grade elements, fixtures, and equipment that:1) Prevent the attraction and adherence of dust and airborne dirt and soot and

minimize the appearance of settled dust and dirt.

2) Are washed reasonably clean by normal precipitation.

2. Ease of Maintenance:

a. Snow Removal: Where required by the climate, the construction will facilitate theremoval of snow from vehicular and pedestrian trafficways.

b. Verification:1) Identification of vehicular and pedestrian traffic surfaces and anticipated

methods of snow removal.


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Disciplina Sonido-Acústica

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