General Notes For Green Roof

Free of stones 1 2 inch or larger in.

General notes for green roof.

A study presented at the green roofs for healthy cities conference in june 2004 cited by the epa found water runoff was reduced by over 75 during rainstorms. The green roof creates pervious area. Figures 1a 1b green roof district department of the environment offices washington d c. As a note for vegetation the soil for a green roof should have a ratio of 70 percent inorganic material and 30 percent organic material.

The types of plants that you will have will depend on the type of green roof you are installing. The green roof atop chicago s city hall is one of the most famous combining elements of both intensive and extensive green roof segments as well as a semi intensive system on one roof. General notes roof plan 1. District no job address city zip note.

Green roofs can reduce stormwater runoff via water wise gardening techniques. Instructions the following notes must be included on the plans. Numbers in the parenthesis refer to sections of the 2017 edition of the county of los angeles green building standards code table t. General notes general project information plan check no.

Green roofs play a significant role in retrofitting the low impact development lid practices in urban areas. Water is stored by the roof s substrate and. This green roof demonstration project on the asla headquarters was envisioned to show the environmental benefits of green roofs as well as to showcase what landscape architects contribute to this project type. Design notes intensive type growing media depth between 6 inches to 4 feet.

General condition of growing media at time of planting. See structural drawings for top of steel t o s at all proposed roofs.