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New York State Stormwater Management Design Manual - Chapter 8 NY Technical Standards for stormwater

New York State Stormwater Management Design Manual - Chapter 8 NY Technical Standards for stormwater 2025

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Chapter 8 of the New York State Stormwater Management Design Manual provides detailed design examples for stormwater management at two hypothetical development sites: a residential site, Stone Hill Estates, and a commercial site in Albany. The chapter includes hydrology calculations, pond design, and various stormwater management practices such as sand filters, infiltration trenches, and bioretention areas. Each section outlines specific design criteria, hydrologic data, and calculations necessary to manage water quality and quantity effectively.

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Begin with Section 8.1, where you will input detailed hydrology calculations for your site. Ensure to include the total drainage area and impervious cover percentages.
Proceed to Section 8.2, focusing on pond design. Enter the required storage volumes and confirm that your design meets the Article 15 Permit requirements from NYS-DEC.
In Sections 8.3 through 8.5, provide details for sand filters, infiltration trenches, and bioretention practices as per your site specifications. Input data such as soil types and hydrologic parameters.
Review all sections for accuracy and completeness before finalizing your document. Utilize our platform's features to save and share your completed form easily.

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How to calculate EV formula?

Copper equivalent assumes metal prices of US$3.85/lb Cu, US$12.40/lb Mo, US$1,750/oz Au, and US$22.00/oz Ag and uses the formula CuEq (%) = Cu (%) + 3.2208 x Mo (%) + 0.6630 x Au (g/t) + 0.0083 x Ag (g/t).

How to calculate CuEq?

The most popular method for calculating SUFs is by determining the number of equivalent residential units (ERUs) for a property. ERU fee structures assign a tax based on the average or median amount of impervious surface on the communitys single-family residential properties.

What is the drainage law in New York state?

The Master Plan integrates green infrastructure, such as bioswales, green roofs, and permeable pavement, to manage the stormwater associated with smaller rain events before it enters the combined sewer system. Underground Storage Underground storage collects water during storms.

What is a stormwater violation?

Improper Disposal of Pollutants The practice of discharging pollutants such as chemicals, oils, sediment, or debris into storm drains, water bodies, or the stormwater system without the pollutants undergoing proper treatment is a serious violation.

How to calculate WQv?

Application of the New York Rule blacktopping, paving, grading, improvements, or construction done in good faith that disturbs the natural flow of surface water drainage to the damage of a lower owner is not actionable unless the drainage is artificially caused to collect in a mass, as in a pipe, ditch or drain.

How to calculate the water volume?

The formula of filled volume of the rectangular tank is given as, V(fill) = l b f where l is the length of the rectangular tank, b is the breadth of the rectangular tank, f is the height of the level of water filled in the tank and V(fill) is the filled volume of the rectangular tank.

New York State Stormwater Management Design Manual - Chapter 8 NY Technical Standards for stormwater 2025

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New York State Stormwater Management Design Manual - Chapter 8 NY Technical Standards for stormwater 2025

Here's how it works

How to use or fill out New York State Stormwater Management Design Manual - Chapter 8 NY Technical Standards for stormwater with our platform

Complete this form in 5 minutes or less

Got questions?

How to calculate EV formula?

How to calculate CuEq?

What is the drainage law in New York state?

What is a stormwater violation?

How to calculate WQv?

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How to calculate the water volume?

Related links

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