building noise control consultation
TRANSCRIPT
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ALTA INTEGRA CONSULTATIONPARK ROYAL HOTEL
BOGOR
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OUTLINEFOREWORD
BASIC THEORY
CONSULTATION TARGET
SIMULATION
SCHEMATIC AV CONCEPT
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FOREWORDPARK ROYAL HOTEL
BOGOR
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FOREWORDCLIENT PROFILEPARKROYAL Rainbow Hills Bogor Resort is located amidst Bogor’s spectacular volcanic mountains and picturesque rivers with convenient access to the stunning 18-hole Rainbow Hills golf course
PT Bahana Bukit Pelangi was to build Park Royal Hotel in Bogor. Therefore ALTA INTEGRA asked to do Acoustic & AV Consultation of ballroom & 9 meeting rooms and Noise Control Test of 6 bedrooms & machinery room.
BACKGROUND
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FOREWORDCONSULTATION TARGET
NOISE CONTROL
Prevent noise leakage from the Ballroom to meeting & hotel rooms.
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FOREWORD
Concept and Budgeting Phase:◦ Architectural Acoustic Concept◦ Building Noise Control Concept
Design Phase:◦ Architectural Acoustic (EASE)◦ Building Noise Control
Tender/Offering Phase:◦ Tender & Review◦ Recommendation of Product & Supplier
PROCEDURESConstruction Phase :
◦ Supervision / Annual Control◦ Technical Meeting (with other consultants and CM)
Testing & Commissioning Phase:◦ Testing, measurement, documentation◦ Report
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BASIC THEORYPARK ROYAL HOTEL
BOGOR
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BASIC THEORYNOISE CONTROLTransmission Loss
Transmission Loss (TL) is a figure which rates the ability of a material to block sound. It is usually measured in 1/3 octave band intervals. Mathematically it is defined as the ratio of the sound energy transmitted through a material to the sound energy incident on the material.
Level Difference
The difference in the space and time averaged SPL (Sound Pressure Level).
LD = L1-L2
L1 = Averaged SPL in the source room
L2 = Averaged SPL in the receiving room
DnT,w : Weighted Standardized Level Difference. Standardized to a standard 0.5 seconds reverberation time and weighted to provide a single figure value. The results will include flanking transmission so the test is for the total transmission between the rooms, not just the partition.
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BASIC THEORYNOISE CONTROLSpeech Privacy Class
SPC values can be used to specify the required speech privacy for new construction or to assess the speech privacy of existing closed rooms . SPC defined as the sum of the measured average noise level at the position of a potential eavesdropper outside the room, and the measured average level difference between a source room average and the transmitted levels at the same potential eavesdropper location.
SPC = LD(avg) + Ln(avg)
LD = Level Difference; L1-L2; dB
Ln = Ambient Noise Level; dB
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CONSULTATION TARGETPARK ROYAL HOTEL
BOGOR
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CONSULTATION TARGETSOUND TRANSMISSION CLASS (STC)A sound transmission class of 55 decibels in all fixed walls, 48 decibels on all ceiling mounted track moveable walls and/or partitions is required, with sound baffles above the ceiling between adjoining rooms (PPHG Design Guidelines)
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CONSULTATION TARGETLEVEL DIFFERENCED = L1 – L2L1 = Ballroom, 100 dBL2 = Corridor, 55 dB
DnTw+C = 100 – 55 = 45 dB
With the assumption 100dB noise in the Ballroom, Level Difference needed to meet the requirements is 45dB.
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CONSULTATION TARGETSPEECH PRIVACY CLASS
SPC = LD(avg) + Ln(avg)75 = LD + 45LD = 75-45LD = 30dB
Level Difference needed to meet SPC requirement is 30dB
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NOISE CONTROL SIMULATIONPARK ROYAL HOTEL
BOGOR
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SIMULATIONWALL MATERIAL: USG BORALBallroom To Corridor
Ballroom
Corridor
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SIMULATIONWALL MATERIAL: USG BORALBallroom To Corridor
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SIMULATIONWALL MATERIAL: USG BORALCorridor To Meeting Room
Meeting Room
Corridor
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SIMULATIONWALL MATERIAL: USG BORALCorridor To Meeting Room
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SIMULATIONWALL MATERIAL: USG BORALCorridor To Hotel Room
Meeting Room
Corridor
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SIMULATIONWALL MATERIAL: USG BORALCorridor To Hotel Room
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SIMULATIONWALL MATERIAL: USG BORALBill of Quantity
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SIMULATIONWALL MATERIAL: USG BORALBill of Quantity
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SIMULATIONWALL MATERIAL: USG BORALUSG Boral
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SIMULATIONWALL MATERIAL: USG BORAL
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SIMULATIONMOVABLE PARTITION
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Quantum Globalindo, PT Phone : +62 21 351 3351Fax : +62 21 345 8143 Email : [email protected] : www.altaintegra.com