Plan Review Information

• 2011 WSSC Plumbing and Fuel Gas Code  
• WSSC Cross-Connection Control Program Manual (Effective September 1, 2010) 
• Plan Review Staff
• Plumbing and Gasfitting Plans
• Sewer and Drain Cleaners
• Miscellaneous Forms and Details
• Contact Inspections and Plan Review Staff
• Inspection Services Unit Contact Information

 Plan Review Staff

Staff Ted Podles (Supervisor) Waynne Wilson Mike McDermott   Plan Review General Inquiries: Fax

Phone Number 301-206-8607 301-206-8605 301-206-8448   301-206-8886 or 1-800-828-6439 ext 8886 301-206-8253

 Plumbing and Gasfitting Plans

Plumbing and Fuel Gas plans are required for all commercial construction. The code official shall have the authority to waive submittal requirements. Typically commercial work with 10 or less permit items, including gas appliances, may be waived.

Plans that will not be waived include:

• Plans that require FOG (fats, oils, and grease abatement) 
• Fuel gas plans that have more than 3 appliances on the entire gas system and/or any of the gas appliances are over 200,000 Btu input. 

Submittal Requirements (to Plumbing Plan Review office):

Two sets including floor plans to scale, schematics for fuel gas, waste and vent and water piping, riser diagrams, and where appropriate, details such as meter room layout, equipment schedules, backflow prevention device details, elevations and site plans, material and fixture specifications, fixture clearances etc. Submittals must also include a completed checklist as well as a permit application signed by a registered WSSC Master Plumber/ Gas Fitter. More information about the Permitting process.

Sewer and Drain Cleaners

• Sewer Blockage Commitment Form

Miscellaneous Forms and Details

Plumbing

• 3/4" and 1" meter setting
• 1-1/2" meter setting (A)
• 1-1/2" meter setting (B)
• 2" meter setting (A)
• 2" meter setting (B)
• 3" meter setting (A)
• 3" meter setting (B)
• 1600 gal Grease or Sand/Oil Interceptor
• 1600 gal Sand/Oil Interceptor (For Untrapped Garage Drains)
• 500 gal Grease or Sand/Oil Interceptor
• 500 gal Sand/Oil Interceptor (For Untrapped Garage Drains)
• Approved Volume Based Interceptor Providers
• Volume Based Interceptor Guidelines
• Recommended Flow Based Grease Interceptor Details
• Code Modification "Waiver" Request Form
• WSSC Meter Application Chart

Gasfitting

• Combustion and Ventilation Air Chart