What is a Photometric Plan?

A photometric plan (aka photometric analysis, photometric lighting study) is a digital survey of your site with a proposed lighting solution. This light study allows you to view the lighting level at the job-site before construction begins. The goal is to achieve illumination specifications required by the city or by decision-makers for your project to reach approval.

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Photometric Plan 3D Lighting Model Analysis
Rendered View Photometric Plan of Warehouse in Miami, Florida
Del Prado Parking Lot Shaded Photometric Plan
Shaded View Photometric Plan for Parking Lot at Plaza Del Prado
Del Prado Parking Lot Wireframe Photometric Plan
Wireframe View Photometric Plan of Parking Lot at Plaza Del Prado

What Does a Photometric Plan Do?

A photometric plan exists to accomplish 6 main tasks.

1. Meet local lighting codes

  • Cities require you to follow their illumination standards to achieve lighting uniformity across the entire county. A photometric study will make sure your led lighting layout is compliant with your building department while providing you documentation when the inspectors audit your project.

2. Allow decision-makers to visualize lighting before construction

  • Many owners have an agenda when remodeling their property to a new led lighting layout. A lighting designer will be able to make sure the photometric layout checks all your boxes before beginning construction.

3. Create a clear road map for your contractors

  • Having no lighting layout will confuse your electricians. Property managers can save thousands in extra labor by planning out their lighting implementation beforehand.

4. Ensure even lighting distribution throughout the job site

  • Even light levels reduce eye strain created by hot spots in your lighting plan. You do not want a parking lot with low visual comfort and intense glares. This is why any lighting project should have a proper lighting plan.
  • A photometric viewer tool will allow you to see the photometric values that it produces. However, without a photometric plan, you would not be able to conclusively understand how the fixture works with fixtures beside it.

5. Keep light trespass to acceptable standards

  • Illuminating past your lot line will get you fined by the local authorities. We have had many horror stories where commercial property owners install lights and end up illuminating the main street and neighboring lots. They end up with huge recurring fines that only a photometric light study can solve.

6. Prevent legal issues from arising in the future due to poorly illuminated public spaces

  • A photometric plan acts as a reference for any legal issues that arise within your property line. These include kidnappings, assaults, rapes, accidental falls, and protect you from any accusations claiming your property was not properly lit.

7. Specify the correct light fixtures

  • All projects have different requirements. However, achieving these requirements requires you to pick the ideal fixture from thousands of light fixtures. Your lighting designer will understand the

Who Does A Photometric Plan?

In most cases, a property manager will contact a lighting retrofit company, an architect, or a lighting designer to create a photometric plan for their property. Of these three, only the lighting retrofit company will be able to design and install, the other professionals can only design the plan.

The most common reasons to do a photometric lighting study are:

  1. New Construction: Local building department requires a photometric plan in order to approve your plans
  2. Renovation: The tenant or owner has a specific lighting requirement they want to achieve
  3. Lighting Retrofit: The property manager has decided to reduce its operating costs by switching to LED and requires a lighting study

Photometric Plan Cost

If the client only requires the photometric plan and is planning to get fixtures elsewhere, a lighting designer or architect will charge $5,000 to $20,000 depending on the complexity of the project.

Our team provides free photometric plans for large commercial projects. Get in touch with us through our contact page.

Photometric Lighting Layouts

While making the lighting study, the designer will create a lighting layout for your property. They are trained to place the lighting fixtures in the most efficient manner to achieve your goals while saving you as much money as possible. For example, a client who wants the highest cost-savings will get a layout that has fixtures that are spaced as far apart as possible. This layout will achieve the minimum footcandle rating that is required by the city but stay within the budget.

Let’s go over some of the most common photometric lighting layout goals.

Parking Lot Lighting Layout

Parking lots are large open areas that need to have even lighting levels and be above a certain brightness to be approved by your local county. In order to have a great parking lot, you should try to exceed the city’s lighting requirements. During the night, dark parking lots are gathering areas for vandalism and an illuminated lot will prevent that.

You will need to check these items off in order to have a proper parking lot:

  • Achieve min:max ratio set by city ordinance. On average, cities require a 12:1 ratio.
  • Achieve minimum footcandle set by city ordinance. On average, cities require 1 footcandle minimum.

Our photometric plans will achieve these goals with the most cost-effective layout.

Before

Condominium Parking Lot Before LED Retrofit
Condominium Parking Lot Before LED Retrofit

Wireframe Photometric Plan

Photometric Plan Del Prado Wireframe
Photometric Plan Del Prado Wireframe

Heat Map Photometric Plan

Photometric Plan Del Prado Heat Map View
Photometric Plan Del Prado Heat Map View

After

Photometric Plan Condominium Parking Lot After LED Retrofit
Photometric Plan Condominium Parking Lot After LED Retrofit

Warehouse Lighting Layout

Interior lighting studies for warehouses are essential to reducing energy costs and improving employee performance for any business.

Employees need proper task lighting in the workplace to properly identify aisles, bins, and products. A properly lit warehouse increases pick efficiency by providing clear pathfinding and identification. For large operations, even a slight 10% increase in pick efficiency can save millions of dollars annually. Additionally, if a lighting study can reduce pick inaccuracy issues from 1% to 0.5%, that potentially saves millions of dollars in returns and unhappy customers.

Aside from employees, improper energy consumption can be costing your business thousands of dollars annually. Utilizing LED fixtures, our lighting designers can save you 50%-70% on your energy bills instantly. Smart lighting controls can also save more with motion sensors, daylight harvesting, and dimming options.

Common Warehouse Lighting Layout Goals:

  • Increase employee pick efficiency with clear pathfinding
    • For large operations, even a slight 10% increase in pick efficiency can save millions of dollars annually
    • If proper lighting can reduce pick inaccuracy issues from 1% to 0.5%, that potentially saves millions of dollars in returns and unhappy customers.
  • Identify product codes, aisle locations, bay locations with ease from any distance
  • Improve camera visibility and employee tracking
  • Reduce electrical costs by up to 70% when switching from halogen or fluorescent. Increase savings by utilizing motion sensor high bay lights

Warehouse Lighting Layout Before and After

warehouse led lighting layout before and after

Warehouse retrofitted from 450W Metal Halide Bulbs to 120W LED Linear Highbays. Saved 70% on electrical bills instantly.

Recessed Lighting Layout

Use this Interior lighting layout tool to map out your recessed lighting layout.

The goal of a recessed lighting layout is to distribute the light level across the entire room. The layout will produce an interior lighting design that has natural lighting which washes the walls and floors with no hard spots.

Sports Lighting Photometric

Many stadiums require very specific light levels to ensure proper visibility. Proper lighting design highly affects player performance, spectator viewing distances, and prevents glare from affecting players and audiences. We also strive to create uniform lighting by overlapping light to avoid dark spots or hot spots.

All these game-changing factors cannot be nullified without a good lighting designer that understands the needs of a sports lighting arena. It is very important to understand pole positioning, fixture specifications, glare control, and uniformity strategies to create even playing fields.

Photometric Plan Projects We Have Done

Many city codes do not allow for trespassing of light to neighboring property lines. In Miami-Dade County, we cannot exceed 0.5 fc. To avoid getting fined by your city, our photometric studies include light trespass values. Illumination levels will be extended out to zero footcandles. Make sure that you understand your city code before performing any lighting renovation to make sure your project is in the clear.

Sample Photometric Plan Projects

Plaza Del Prado Condominium

Project Overview:

  • The board members and residents of this community had inefficient lighting at the parking lot with most light going upwards and no light coming onto the parking area.
  • Our lighting engineers devised a plan with the condominium board members which focused on 2 things
    1. Cost-efficiency
    2. Reach desired illumination level of residents
  • Using these two requirements the photometric plan used the cost-efficient 120W Lumipro G Series LED Area Light and retrofitted the existing poles to reduce material and labor costs. The photometric plan is shown below.
  • Once our team got the final approval we installed the entire project in 3 days. See our before and after video.

Shaded Photometric Plan

Del Prado Parking Lot Shaded Photometric Plan

Perspective Photometric Plan

Del Prado Parking Lot Wireframe Photometric Plan

Parking Lot Before and After

650 NW 123rd St. North Miami FL 33168

Project Overview:

  • Customer has 40′ sign and 20′ sign facing towards the I95 highway. Existing lighting does not illuminate properly at night completely removing their message to 72,000 daily commuters. Our engineers recommended the F-T Series flood light with a tight beam angle allowing the 40′ I95 signage to be properly illuminated while not surpassing city light trespass codes. For the 20′ sign, we used the Lumipro G Series Area Light to kill multiple birds with one stone. We illuminated the parking lot, the sign, and allowed the security camera clear vision at night.
  • Trespassers sneak in from the south and north chain link fence to graffiti the east wall. We implemented the Lumipro G Series LED Area Light and the Lumipro G Series Wallpack allowing clear night vision for all exterior cameras and reducing electrical usage by 50% compared to their existing metal halide fixtures.
  • Customer is utilizing 1000W metal halide fixtures consuming massive amounts of energy. The 300W Lumipro G Series LED Area Light reduced the electrical cost by 70%.

1002 E 24th St. Hialeah, FL 33013

Conclusion

Most commercial projects should use the knowledge of a lighting engineer to achieve their lighting goals. Great lighting design is a lifetime investment. It separates you from the competition and increases property value dramatically.

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