
Closed
Posted
Paid on delivery
I represent the owner of a multi-unit building with 20 Units. Seventeen - 1-Bedroom Units @650SF and Three Studios @450 SF. Ovens/Ranges are GAS, and Hot Water is Central (also gas). Not loading Apt Electric Panels Units have D/W, W/D, Central AC (with individual Roof Compressors and interior AHUs) Refrigerator, LED Lighting and normal Countertop Kitchen Appliances. No garbage disposals/Aerators. In the Meter Room, FPL provides 600 AMPs Breaker to 20 Meters with 50 Amp Breakers feeding each Unit interior Elec Panel. (house panel is separate and not loading off the 600 Amps Breaker) Question. Based on Florida Electric Code, and the existing 600 Amp FPL Service, can I increase the Unit Breaker sizes to 60, 65, or 70 amps for each unit? Looking for an FL Licensed Electrical Engineer to answer this question. Deliver Signed Opinion Letter along with any necessary calculations.
Project ID: 40410136
10 proposals
Remote project
Active 14 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
10 freelancers are bidding on average $473 USD for this job

Dear Client, I understand you own a 20‑unit building in Florida with 17 one‑bedroom units and 3 studios. You have a 600 A FPL service feeding 20 meters, with 50 A breakers to each unit’s interior panel, gas cooking, gas water heating, and central cooling. You want to know if you can raise each unit’s breaker size to 60/65/70 A under Florida Electric Code, and you need a signed opinion letter with calculations. I will perform a code‑driven assessment using Florida Electrical Code and NEC 220 load rules, consider gas appliances and central gas water heating, central AC with roof compressors and interior AHUs, and verify panel ratings and feeder capacity. The goal is to determine if the existing service can support increased unit breakers or if alternative options (like a service upgrade or load management) are required. I will deliver a stamped Florida PE opinion letter, supported by clear calculations and worksheets, plus practical recommendations and an updated single‑line diagram. The deliverables will be suitable for permitting and client records. What is the current service upgrade path and any local AHJ preferences for documenting load analysis and a stamped Florida PE opinion letter? Best regards, Shamshad
$750 USD in 22 days
6.6
6.6

Hi I can surely assist you in writing or drafting or creating a clear, professional proposal and coordinating with a Florida Licensed Electrical Engineer to review your building’s electrical capacity and code compliance. I understand your setup (600A service, 20 units, gas appliances, central hot water, individual AC systems). I will help prepare a detailed request, ensure proper load calculations per Florida/NEC codes, and arrange a signed opinion letter confirming whether breaker sizes can be safely increased to 60–70 amps. I will keep everything simple, accurate, and ready for submission. Before we proceed: 1. Do you have existing load calculations or panel schedules available? 2. Is there any planned future load increase (EV chargers, upgrades, etc.)? Looking forward to assisting you. Thanks
$250 USD in 7 days
5.6
5.6

Hi, how are you doing? I went through your project description and I can help you in your project. your project requirements perfectly match my expertise. We are a team of Electrical and Electronics engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries. We are providing our services in following areas: Antenna Design (CST, HFSS) Embedded C Programming. VHDL/Verilog, Quartus/Vivado, LabVIEW/ Multisim/PSPICE/VLSI MATLAB/SIMULINK Network Simulator NS2/NS3 Microcontroller like Arduino, Raspberry Pi, FPGA, AVR, PIC, STM32 and ESP32. IDEs like Keil MDK V5, ATmel studio and MPLab XC8. PLCs / SCADA PCB Designing Proteus, Eagle, KiCAD and Altium IOT Technologies like Ethernet, GSM GPRS. HTTP Restful APIs connection for IOT Communications. Also, we have good command over report writing, I can show you many samples of our previous reports. Kindly consider us for your project and text me so that we can further discuss specifically about your project's main goals and requirements.
$500 USD in 7 days
6.0
6.0

Hello, I understand you need a licensed Electrical Engineer opinion on whether a 600A FPL service with 20 × 50A unit breakers can be increased to 60/65/70A per unit under Florida code, along with a signed opinion letter and supporting calculations for submission. I will perform NEC-based load calculations (NEC Article 220), including residential demand factors, HVAC and appliance loads, and diversity for multifamily occupancy. I will evaluate the 600A service capacity, feeder and panel bus ratings, breaker coordination, and FPL service limitations to determine the maximum compliant breaker size per unit without overloading the system or violating code. Deliverables will include a signed engineering opinion letter suitable for authority submission, full calculation breakdown, and a clear compliance recommendation. The output will be structured so it can be directly attached to your application or provided to the electrical authority or utility for review. Questions: Are all HVAC systems fully electric loads, or are any components gas-assisted or hybrid? Do you have existing panel schedules or any prior load study for the building? Thanks, Asif
$750 USD in 10 days
5.1
5.1

Hello sir, As a Senior Electrical Power Systems Engineer with extensive experience in Florida Building Code (FBC) and NEC (NFPA 70) compliance, I specialize in multifamily load calculations and utility service entrance optimization. I will lead the technical evaluation of your 20-unit residential meter stack, ensuring that any proposed breaker increase is technically coordinated with the existing 600 Amp FPL service and the diversity factors allowed under NEC Article 220. Engineering Goal & Preliminary Assessment Summarized as the delivery of Code-Compliant Power Distribution Scaling. My solution solves the "Service Overload" risk by utilizing the Optional Calculation Method for Multifamily Dwellings (NEC 220.84), which allows for significant demand diversity for a 20-unit building. I will implement a Load-to-Breaker Sensitivity Analysis that accounts for your gas-fired ranges and central hot water, calculating the exact Volt-Ampere (VA) demand of the AC compressors, AHUs, and appliances. While increasing individual unit breakers to 60 or 70 Amps may be feasible at the branch level, I must reconcile this against the 5-minute demand peak of the 600 Amp main to ensure we do not trigger a "Main Service Upgrade" mandate from FPL. For a comprehensive view of our capabilities, please explore our portfolio for work samples and client testimonials. Regards, Eslam
$400 USD in 4 days
5.2
5.2

Hello ✅ Can you confirm total connected load per unit (AC tonnage, MCA/MOCP, W/D ratings) to validate NEC demand factors? ✅ Is the 600A FPL service limited by service conductors/bus rating or only the main breaker, and what is the meter stack bus rating? I can evaluate your service using NEC demand calculations (Article 220) and determine if increasing unit breakers to 60–70A is compliant without exceeding the 600A service capacity. I have experience with multi-family load studies, FPL coordination, and issuing Florida PE signed opinion letters. My approach ensures code-compliant load diversity, feeder/service checks, and clear justification for AHJ approval. Let’s connect to review your data and proceed. Best regards,
$500 USD in 7 days
3.0
3.0

I can assess your apartment’s breaker configuration against the FPL meter room capacity to ensure your electrical system is safe, compliant, and properly balanced. With experience in residential load analysis and utility coordination, I will review panel schedules, breaker ratings, and connected loads, then compare them with the available service capacity from Florida Power & Light. This includes identifying any overload risks, phase imbalances, or code compliance concerns, and recommending adjustments that align with electrical standards and utility requirements. In addition, I will provide a clear report outlining load calculations, demand factors, and any necessary upgrades or reconfigurations to optimize system performance. If needed, I can suggest panel upgrades, redistribution of circuits, or coordination steps with the utility provider to support increased capacity. My goal is to deliver a practical, code-aligned solution that ensures reliability, safety, and efficient power distribution for your apartment setup.
$250 USD in 7 days
2.2
2.2

Hello, I have reviewed your project details regarding the 20-unit residential building and the existing 600A FPL service. I can perform a detailed load analysis based on NEC and Florida electrical code requirements to evaluate whether upgrading unit breakers to 60A, 65A, or 70A is feasible. My approach will include a proper diversified load calculation considering HVAC, kitchen appliances, water heating, and general receptacle loads. I will also check feeder capacity, demand factors, and service headroom under the existing 600A supply. Based on the results, I will clearly confirm if breaker upgrades are safe and code-compliant or not. I can also prepare a professional technical opinion letter with full calculations and justification. If required, the document can be structured in a format ready for PE stamping or further licensing review. You will receive a clear, well-documented report with final recommendation. I can start immediately and deliver within your required timeline. Best regards, Engr. Muhammad Uzair
$280 USD in 5 days
1.0
1.0

Miami Beach, United States
Member since Mar 16, 2026
$15-25 USD / hour
£250-750 GBP
$30-250 USD
$10-30 USD
$250-750 USD
₹100-400 INR / hour
$30-250 CAD
$750-1500 USD
$250-750 AUD
₹12500-37500 INR
$250-750 USD
$10-30 USD
€12-18 EUR / hour
₹150000-250000 INR
$30-250 USD
£20-250 GBP
₹100-400 INR / hour
₹12500-37500 INR
$10-60 USD
$8-15 USD / hour
$50000-100000 USD