BalancingPlant

Growthand

Functionusing

AlternativeMediaif

Bioretention

Systems

StaliteEnvironmental

RetentionandInfiltration:

Bio-Retention&RainGarden

• Controlsstormrunoff

• Remediatespollutantsfromtheparkinglots

(oil&grease)

• Providesgreenspace

tomeetlandscape

ordinances

• Reducesmosquito

populations

CanPlantsGrowInRock?

LavacliffsofHawaii

Five Crucial Ecological Roles of Soils

Medium for

plant growth

Recycling system

for nutrients and

organic wastes

Habitat for soil

organisms

Engineering medium

System for water

supply and

purification

John SloanSoil Scientist

Urban Solutions CenterTexas AgriLife Research - DallasTexas A&M University System

Single grained **Aggregated** Massive

(Sand) (Silt loam) (brick)

Soil Structure

• Refers to the binding of soil particles into

aggregates due to the presence of organic

matter, clays, and oxides

• Good structure allows movement of water

and air through the soil and into the

rooting zone.

Range of soil structures

MediumSand

CoarseSand

0 mm 1 mm 2 mm

Relative Sizes of Soil Particles

FineSand

Very FineSand

Silt

Clay

Soil compaction

Deep Air = Deep Roots

STALITE

What Does it Look Like?

Raw Meta-Argyllite

Expanded Meta-Argyllite

MS16LightweightExpandedSlate‘Sand’

I’m Sorry Wilson !!!

CuyahogaRiver

1952and1969

CleanWaterAct1972

Detention or Infiltration?

N0 AIR,NO ROOTS

Falls Church, VA

Falls Church, VA

BREVARDPUBLICLIBRARY

InstallationSpring2006

OneYearGrowth- Summer2007

Summer2007

Mecklenburg

County

STALITE

North Lake Mall Charlotte

North Lake Mall

2006

2005

2009

North Lake Mall

2006

2009

2013

ElonU

Elon Year One

Elon Year Two

CurrentlyNaturalized

ElonU.SoftballComplex

May2015

Wake County Hospice Reuse for Irrigation

50,000galloncisternconstructedofmodularblocks(H-20

vehicleload),under18”+ofStaliterecycledfinesforhigher

infiltrationrate.Wovengeo-textilefabricisbetweenthefines

andtankinlets.

StaliteRecycledbeltfinesprovideastableandlow

dustenvironmentforinstallers

RichmondHill

Park

2008

2009

NCDOT Wade Ave Interchange I-440

NCDOT

I-240Asheville

UNCCBench-ScaleColumnTesting

withSyntheticStormwater1000 mL Synthetic Stormwater Solution

*Batch Feed Method: Bottom valve

closed for 12 hours of contact time

between the solution and the filter

media

**Gravity Flow Method: Bottom valve

closed for 30 minutes, then opened to

allow solution flow through media

DENR

StaliteOld Castle

Stalite

NCSU Trials JC Raulston Arboretum

NCSURainGardenTrialsChemicalAnalysis

Irrigation water: Secondary source runoff pond to an irrigation pit supplemented with

50 mg/L-1 N (supplied by dissolved ammonium sulfate, 21-0-0) and

50 mg/L-1 P (supplied by dissolved diammonium phosphate 18-46-0)

March 2011-July 2012 Season 1 DormantSeason

Season 2

Leachate Averages N mg/L

P mg/L

N mg/L

P mg/L

N mg/L

P mg/L

‘Slate’ media 17 ~1.0 8 0.9 ~10 0.6

‘Sand’ media 30.1 ~3.0 13 ~3.0 ~10 0.6

‘Soil’ media 17 3.4 8 28 ~10 0.7

NCSU 2011 Owen Hall

July 2014

NCStateCollegeofDesign

Syme Hall 2010

2010

2014

NCSU(OldRiddickFieldhouse location)

April 2009

May2009

NCArboretum

Asheville

BakerVisitorCenterRain

Garden

EmpireDistributorsMillsRiver,NC

EmpireDistributorsMillsRiverNC

Enka SchoolCandlerNC

Enka SchoolCandlerNC

PROOF ROLL HUNT LIBRARY

NCSU Hunt Library

FurmanUniversity

servicelane

NCSUChancellor’sResidence

Horticultural Uses of STALITE

• Structural Soil for Urban Trees

• Structural Soil for Turf & Fire Lanes

• Root Bridging for Protecting Existing Tree Roots

• Arboriculture Root Aeration Applications

• Green Roof Planting Media

• Bio-Retention Media for Storm Water Management

• PermaTill Soil Conditioner

• Greenhouse and Nursery

Questions?

DebbieStringer

704.906.5953

dstringer@stalite.com

www.permatill.com