What’s the I-300 Denver Green Roof Initiative?

Nathan Billmaier Commercial Solar, Nonprofit Solar, Residential Solar

The Denver Green Roof Initiative has Officially Made the November Ballot.

 

The Denver Green Roof Initiative is a grassroots campaign comprised solely of volunteers.  This initiative would create a new building code requiring large buildings (over 25,000 square feet) across Denver to dedicate a portion of their roof to solar or vegetation.

 

FAQs:

Will the entire roof require solar or vegetation?

NO.  It does not affect the entire roof space, only a portion. Here’s a breakdown from the Denver Green Roof Initiative official website.

 

Gross Floor Area (Size of Building)

Coverage of Available Roof Space (Size of Green Roof)

25,000 – 49,999 f2

20%

50,000 – 99,999 f2

30%

100,000 – 149,999 f2

40%

150,000 – 199,999 f2

50%

200,000 f2 or greater

60%

 

  • So, if a commercial building is 25,000 sqft (5,000 sqft more than a standard Whole Foods) they would have to pay approximately $125,000 (Green Roofs cost an average of $25 per sqft) for these improvements AT THE TIME OF A NORMAL ROOF REPLACEMENT. Buildings do not have to do these upgrades immediately, only at the time of a normal roof replacement, which is about every 10 years.

 

Will it raise taxes?

NO.  This bill will NOT raise taxes.  It would put the cost on the builders and building owners.

 

Will it raise rent?

NO.  The bill only affects residential building over 4 stories.  This will NOT raise rent.  A building property value will increase with these additions and they make the building more energy efficient leading lower energy consumption, not just for the building itself. . but also across the city!

 

Are there exemptions?

YES. Section 10-303 (B)(1) states:  “If an applicant is unable to provide the green roof coverage as required in this chapter, application may be made to the Denver Planning Board for either a complete exemption to the requirement to provide a green roof or to provide a smaller green roof area than otherwise would be required”

 

 What regulations are in place to ensure Safety and Efficacy?

This bill creates technical standards and a technical advisory group to ensure that the code stays up to date and that the rooftops are being built properly and soundly.

 

Additional Benefits

  • Lowers Urban Heat Island Effect
  • Betters Air Quality
  • Energy Efficient
  • Storm Water Management
  • Increased Biodiversity
  • More Rental Occupancies
  • Increased Quality of Life
  • . . . . and Hey!. . .  I think they look pretty too 🙂

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