
Closed
Posted
Paid on delivery
I need a precise acoustic calculation for a small residential generator room whose main goal is straightforward: cut the noise to a far more neighbour-friendly level. The assessment should quantify existing sound pressure levels, model how the noise propagates through the surrounding structure, and then translate those figures into practical solutions. Two measures matter most to me: • Soundproofing the walls with the right combination of mass-loaded barriers, insulation and damping layers. • Selecting and sizing suitable silencers or mufflers for both intake and exhaust paths. Please base the study on accepted acoustic-engineering methods (e.g., octave-band analysis, ISO/IEC guidelines) and express results in dB(A). I expect a clear, readable report that includes: 1. All input data and assumptions (generator make/model, room dimensions, construction materials). 2. Calculated baseline noise at key receiver points. 3. Predicted noise levels after each proposed treatment. 4. A bill of recommended materials/equipment with installation notes. Deliver the final document in PDF plus the native calculation sheet (Excel or similar) so I can tweak parameters later if needed. Let me know any additional information you require about the generator or room before you begin, and please outline your expected timeline in your proposal.
Project ID: 40614857
4 proposals
Remote project
Active 7 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
4 freelancers are bidding on average $538 USD for this job

Hello, I can provide a detailed acoustic assessment for your generator room using accepted acoustic engineering methods, including octave-band analysis and dB(A) calculations. The report will evaluate existing noise levels, predict sound transmission through the structure, and recommend the most effective wall soundproofing system along with properly sized intake and exhaust silencers to achieve a more neighbour-friendly noise level. The final deliverables will include a professional PDF report, complete calculation sheets in Excel, baseline and post-treatment noise predictions, and a bill of recommended materials with installation guidance. To begin, I'll need the generator make/model, room dimensions, wall/ceiling/floor construction details, ventilation layout, and any available manufacturer noise data or site photos. I can complete the study within 3–5 days after receiving the required information. I look forward to helping you achieve an effective and practical noise reduction solution.
$650 USD in 3 days
0.0
0.0

As an acoustic engineer and architectural designer with a notable prowess in noise control, I am confident in my ability to provide you with a robust solution for your residential generator noise challenge. Over the years, I have acquired significant experience utilizing accepted acoustic-engineering methods like the octave-band analysis and ISO/IEC guidelines to reduce noise to below tolerable levels. In regard to soundproofing, my comprehensive knowledge of advanced techniques involving mass-loaded barriers, insulation, and damping layers are sure to give your generator room the tranquil atmosphere you desire. Seamlessly integrating these techniques in ways that are effective yet unobtrusive is an art I have mastered from immersive projects. Regarding silencing mechanisms, I fully understand the impact of a wrong selection or size on the endpoint performance. Thus, using my expertise and collection of best practices prevalent in the industry, I will meticulously analyze your generator system and deliver recommendations that meet not just acceptable dB(A) levels but exceed them.
$500 USD in 7 days
0.0
0.0

Hi, I can prepare the residential generator room noise analysis with acoustic calculations, baseline dB(A) estimates, propagation review, wall soundproofing recommendations, and intake/exhaust silencer sizing. The best solution is to first review the generator make/model, sound power or SPL data, room dimensions, wall/ceiling/door materials, ventilation openings, exhaust route, and receiver locations. I’ll then perform octave-band style calculations, estimate current noise levels, model proposed treatments, and compare expected reductions. I’m comfortable with acoustic calculations, generator noise control, dB(A) assessment, octave-band analysis, sound transmission loss, mass-loaded barriers, insulation/damping layers, muffler/silencer selection, and practical installation notes. Deliverables include: * Input data and assumptions * Baseline noise calculation * Receiver-point dB(A) estimates * Wall soundproofing recommendations * Intake/exhaust silencer sizing * Predicted post-treatment levels * Material/equipment list * Installation notes * PDF report * Editable Excel calculation sheet Estimated timeline: 5–7 days after receiving generator and room details. Best regards Ankit
$250 USD in 4 days
0.0
0.0

Riyadh, Saudi Arabia
Payment method verified
Member since Mar 7, 2022
$8-15 USD / hour
$15-25 USD / hour
$8-15 USD / hour
$250-750 USD
$8-15 USD / hour
$250-750 USD
$250-750 USD
$1500-3000 USD
$250-750 USD
₹12500-37500 INR
₹600-1500 INR
$250-750 USD
₹600-1500 INR
₹12500-37500 INR
$1500-3000 USD
$250-750 USD
₹12500-37500 INR
$1500-3000 USD
₹600-1500 INR