wild for innovation: stormwater and stream restoration

20
STORMWATER AND STREAM RESTORATION Tom Ballestero Environmental Research Group 5 March 2010

Upload: nh-division-of-economic-development

Post on 20-Jun-2015

1.223 views

Category:

Business


2 download

DESCRIPTION

On March 5th, 2010 the UNH Wildcats, Whittemore School of Business, New Hampshire Division of Economic Development and Public Service of New Hampshire hosted a unique afternoon workshop at UNH aimed at building teams, developing effective leaders and stimulating innovation.The "Wild for Innovation" workshop was developed specifically for New Hampshire business leaders and their teams, and included presentations like this one, on stormwater and stream restoration, by Tom Ballestero.

TRANSCRIPT

Page 1: Wild for Innovation: Stormwater and Stream Restoration

STORMWATER AND STREAM RESTORATION

Tom BallesteroEnvironmental Research Group

5 March 2010

Page 2: Wild for Innovation: Stormwater and Stream Restoration

2

UNH STORMWATER CENTER

Page 3: Wild for Innovation: Stormwater and Stream Restoration

3

The new paradigm for stormwater management is Low Impact Development

Conventional strategies now represent the “dark side” of stormwater

Page 4: Wild for Innovation: Stormwater and Stream Restoration

4

FIELD FACILITY AT THEUNH WEST EDGE LOT

POROUS ASPHALT

Main UNH SC

Research Facility

TREEFILTER

Watershed

Boundary

Page 5: Wild for Innovation: Stormwater and Stream Restoration

5

Page 6: Wild for Innovation: Stormwater and Stream Restoration

6

POROUS ASPHALT

TREEFILTER

Page 7: Wild for Innovation: Stormwater and Stream Restoration

7

TREATMENT STRATEGIES:LOW IMPACT DEVELOPMENT TECHNOLOGIES

Porous Asphalt

Gravel WetlandSand Filter

Bioretention Unit Tree Filter

Page 8: Wild for Innovation: Stormwater and Stream Restoration

8

Page 9: Wild for Innovation: Stormwater and Stream Restoration

9

Page 10: Wild for Innovation: Stormwater and Stream Restoration

10

Page 11: Wild for Innovation: Stormwater and Stream Restoration

11

Page 12: Wild for Innovation: Stormwater and Stream Restoration

12

Page 13: Wild for Innovation: Stormwater and Stream Restoration

13

I-95 North, June 2005, OGFC overlay

I-95 North, June 2005, NO OGFC overlay

I-95 South, June 2005, NO OGFC overlay on right-hand side

Page 14: Wild for Innovation: Stormwater and Stream Restoration

14

A.K.A. WHERE’D ALL THAT WATER GO?

Page 15: Wild for Innovation: Stormwater and Stream Restoration

15

PA VS. OGFC

4”

4”

4’ SHWT

NATIVE

MATERIALS

2’ ROAD BASE

Impervious base

POROUS ASPHALT OGFC - wearing coarse

¾” CHOKER

2’ SANDY RESERVOIR

BASE

NATIVE

MATERIALS

Page 16: Wild for Innovation: Stormwater and Stream Restoration

16

POROUS ASPHALT PARKING LOT SYSTEM CROSS-SECTION

4” thickness of ¾” crushed stone

4” of porous asphalt

8-12” thickness of open graded reservoir subbase

Soil permeability >0.5 in/hr

4” thickness of ¾”> crushed stone for frost protection

Page 17: Wild for Innovation: Stormwater and Stream Restoration

17

STREAM RESTORATION

Page 18: Wild for Innovation: Stormwater and Stream Restoration

18

Pre-Existing Site Looking Upstream

Page 19: Wild for Innovation: Stormwater and Stream Restoration

19

5 Weeks After Construction Looking Upstream

Page 20: Wild for Innovation: Stormwater and Stream Restoration

20

2 Years After Construction Looking Upstream