Waste Stream Calculation Worksheet for Nonresidential Uses

The purpose of this form is to ensure that nonresidential buildings and site designs provide space for collection of refuse and recycling generated at the location. This form must be completed as part of all nonresidential site plan applications, pursuant to Chapter 109.1 of the Code of the County of Fairfax, VA and to Chapter 10 of the Public Facilities Manual. Please review the manual for additional guidance regarding the design of trash and recycling facilities. If you have questions regarding solid waste management, please call 703-324-5230, TTY 711.


Reason for Submittal              

Part 1: Waste Stream Calculation

This calculation will estimate the quantity of trash and recycling that will be generated from this property. Once the waste quantity is estimated, the information can be used to design trash and recycling collection areas that will provide adequate storage capacity and truck access.

Directions: Determine the square footage and uses of all interior areas from this property. You will need to do a separate calculation for each area that has a different use.

Floor Area (sq ft) this use  x  Annual Waste Gen. Rate for this use (from chart) = Annual Tons Generated this use.

illustrated annual tons formula

Annual Waste Gen. Rate by Building Use

Building Use Tons Per Square Foot
Office or Mixed Use      0.0013 tons/sq ft
Industrial 0.0016 tons/sq ft
Food/Retail 0.0057 tons/sq ft
Public Facility 0.00105 tons/sq ft
Institution/School 0.00105 tons/sq ft
Warehouse 0.00155 tons/sq ft

Next, add together all of the Annual Tons Generated. The sum is the Combined Annual Waste Stream.

Sample calculation follows: Part 1: 80,000 square feet of office use multipled by an annual generation rate in tons of 0.0013 equals 104 annual tons generated this use. Part 2: 2,000 square feet of food/retail use multiplied by an annual generation rate in tons of 0.0057 equals 11.4 annual tons generated this use. Part 3: Add together the annual tons generated in each use to find the combined annual waste stream. 104 tons plus 11.4 tons equals a combined annual waste stream of 115.4 tons.

If the Combined Annual Waste Stream Quantity is greater than 100 tons, recycling of one Principal Recyclable Material may be required in addition to recycling of mixed paper and cardboard. Check one of the following options:

Combined Annual Waste Stream

For properties with a Combined Annual Waste Stream Quantity greater than 100 tons, indicate if substantial generation of any of the following waste items is anticipated at this property (check all that apply): 

Waste Items:

Part 2: Description of Solid Waste and Recycling System


The plan design must include elements that will provide for the proper, legal, and safe storage and collection of all solid waste. Include the following information: how the plan design elements will facilitate the separation of recyclable materials from the waste stream; how and where solid waste and recyclable materials will be stored; and, how solid waste and recyclables will be collected. Be sure to include descriptions of internal and/or external storage, compactors, balers, chutes, etc.

Use this pattern to help design trash and recycling areas, based on your calculations in Part 1:

Sample calculation to determine storage container size. First, multiply the combined annual waste stream by 4.44 cubic yards per ton. Then divide that number by the number of annual collections. Divide it again by the minimum number of containers. This is the suggested minimum size of each storage container or dumpster. Note: You will require at least two storage containers of the same size: one for trash and another for recyclables.

Enter a written description of your solid waste and recycling system below.

Part 3: Certification of Accuracy and Completeness

I hereby certify that the above information is accurate and complete to the best of my knowledge. I certify that I have read the requirements for incorporating recycling systems into the design process described in Chapter 10 of the Public Facilities Manual. I understand that any amendments to the plan involving a use or ownership change will require resubmission of this plan statement.

IMPORTANT:  Please print this page before selecting the Submit button and retain for your records.


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