Deckguard™Deckguard™ Spray-Applied Spray-Applied

Membrane Membrane Waterproofing SystemWaterproofing System

Highway Bridges

Highway Bridge Overview

• Many bridges throughout the United States and Canada are seriously degraded due to corrosion from salt and from freeze-thaw conditions

• Significant number of bridges are extremely old and designated structurally deficient or unsound and in need of rehabilitation

Current Users of Spray Membrane

• New York• New Jersey• Massachusetts• Utah• Oregon• Ohio

• Port Authority NY NJ

• NYC DOT• Westchester

County• Garden State Pkwy• NJ Turnpike

Highway Bridge Situation AnalysisDeck Surface Area

( Data From Federal Highway Administration )

Deck Area ft² All Bridges

Structurally Deficient

Deficient

Total Bridges USA

3.6 Billion

470 Million

972Million

Secondary MKT -North ofMason Dixon Line

1.8 Billion

250Million

500 Million

Primary MKT -States Where BP Membrane Approved

0.5 Billion

55Million

155Million

Number of

BridgesStructurally

DeficientFunctionalObsolete

NumberDeficient SD Area FO Area Def Area

ALASKA 1,151 129 146 275 53,041 91,381 144,421

COLORADO 8,476 598 861 1,459 326,834 542,729 869,563

CONNECTICUT 4,186 378 1,028 1,406 399,395 918,141 1,317,536

ILLINOIS 26,263 2,373 1,792 4,165 1,103,788 1,857,877 2,961,665

INDIANA 18,546 1,927 2,184 4,111 749,944 1,022,562 1,772,506

MAINE 2,394 364 421 785 152,661 237,130 389,791

MARYLAND 5,183 372 971 1,343 198,637 1,180,278 1,378,915

MASSACHUSETTS 5,037 593 1,980 2,573 594,711 1,498,053 2,092,764

MICHIGAN 10,906 1,467 1,265 2,732 749,305 1,124,376 1,873,681

MINNESOTA 13,131 1,209 392 1,601 346,225 335,145 681,370

MONTANA 4,984 402 485 887 81,378 270,486 351,864

NEW HAMPSHIRE 2,403 373 382 755 123,295 149,164 272,459

NEW JERSEY 6,486 692 1,603 2,295 635,906 1,718,920 2,354,826

NEW YORK 17,372 2,140 4,341 6,481 1,490,393 5,261,436 6,751,829

NORTH DAKOTA 4,437 696 237 933 87,183 42,905 130,088

OHIO 28,119 2,795 3,866 6,661 1,021,066 2,700,057 3,721,123

OREGON 7,215 477 1,188 1,665 365,862 1,108,778 1,474,640

PENNSYLVANIA 22,293 6,060 3,714 9,774 2,505,408 2,815,840 5,321,247

RHODE ISLAND 739 163 233 396 197,315 257,714 455,030

UTAH 2,905 169 279 448 69,206 148,319 217,525

VERMONT 2,707 437 524 961 129,485 111,585 241,070

WEST VIRGINIA 7,038 1,056 1,528 2,584 337,581 485,132 822,713

WISCONSIN 13,917 1,207 734 1,941 355,177 506,890 862,067

Target Market DS Brown 215,888 26,077 30,154 56,231 12,073,798 24,384,897 36,458,696

TOTALS 603,245 71,179 78,468 149,647 31,199,863 59,950,045 91,149,908

Bridge Inventory January 2010 ( area m² )

General Field Application

Surface Preparation

• Water-blasting at 9,000 psi and conventional sand-blasting• Shot-blasting is also acceptable for both concrete and steel decks

Shot-Blasting

Primer Installation

• Concrete Primer is applied at 200 ft² per gallon

• Squeegee applied primer to avoid overspray in sensitive areas

PolyUrea Membrane Installation

QUALITY ASSURANCE

Testing Equipment

Tramex Moisture Meter

Infrared Spectrograph

Raytek Laser Surface Thermometer

Amprobe Psychometer

Mikro Test Film Gauge

Non-destructive mil thickness Testing

Pin Hole Testing

Adhesion test to determine acceptability of surface preparation

• Elcometer testing ensures adequate surface preparation of substrate• Typical values are 250 to 450 psi for concrete and from 400 to 900 psi for

steel ( SP 10 )

INFRARAED SPECTROMETER

Water Testing

Reactor Pump

Field Installation Equipment

D.S. Brown Deckguard™

Membrane System

Deckguard™ Membrane Physical Properties

Tear Strength( Die C ) ASTM D624 500 psi

Taber AbrasionH18/1000 cycles

ASTM D4060 125 mg

Moisture Vapor Transmission

ASTM E96 < 0.2 perms

Electrical Resistance ASTM D257 > 1.5 x 1014 ohm-cm

Crack Bridging ASTM C836 PASS 40 cycles1/8” @ -15°F

North American Ballast Test

AREMA Passed @ 2,000,000 cycles

Deckguard™ Membrane Physical Properties

Gel Time 5 seconds

Tack Free Time 10 seconds

Cured Density 1.03g/cm³

Solids Content 100%

Hardness ASTM D2240 45-50 Shore D

Application Temperature

-20°F to +200°F

Tensile Strength ASTM D412 ≥ 3000 psi

Elongation ASTM D412 ≥ 250%

Deckguard™ System Features and Benefits

• Retain long term flexibility • Pass North American ballast load test• Provide a seamless expansion joint and deck

membrane • Provide Infrared spectrometer fingerprinting

of all membrane contained in test data if required

• Provide independent North American testing of all data

• Provide Quality Assurance beyond current requirements of either DOT or A.R.E.M.A.

Deckguard™ Membrane Features

• 100% solids

• Applied by DS Brown or certified applicators

• Can be applied horizontally and vertically

Application temperature insensitive– Deck Temperature Application range from -20 F to +200 F

Flexible – > 250% elongation

Long life expectancy – No plasticizers to leach out causing embrittlement

• Odorless• Exceeds AREMA requirements for Rail

Decks at 80 mils• Meets “Buy America Act” requirements• Single coat , multiple layer application• Does not require protection board• Suitable for steel and concrete decks

Comparison PolyUrea Vs Methalmethacrylate( MMA )

PolyUrea MMAGel Time 5 seconds 6 to 11 min.Tack Free Time 10 seconds 30 minCured Density 1.03g/cm³ 1.13 g/cm³

Solids Content 100% 100%

Hardness 45-50 Shore D N/AApplication Temperature

-20°F to +200°F 14°F to +104°F

Tensile Strength ≥ 3000 psi ≥ 940 psi

Elongation ≥ 250% 80%

Comparison PolyUrea Vs MMAPolyUrea MMA

Tear Strength( Die C )

500 psi N/A

Taber Abrasion 125 mgH18/1000 cycles

570 mg H20/1000 cycles

Moisture Vapor Transmission

< 0.2 perms 6.6 g/m²/day

Electrical Resistance

1.5 x 1014 ohm-cm N/A

Crack Bridging PASS @ 80 mils40 cycles

PASS 120 mils10 cycles

North American Ballast Test

Passed N. America test

PASS UK version

Property Deckguard™ AREMA Chapter29

Butyl EPDM

Water Vapor Transmissio

n

0 % Less than 0.2 perms

.06 perms .0025 perms

Elongation at break

Typically 250% + Min 80% 210% 210%

Minimum Tensile

StrengthMinimum psi

(MPa)

2200 psi + 930 psi 1300psi 1200psi

Adhesion to steel

Minimum psi (MPa)

Typically 400 to 900 psi

290 psi None stated

None stated

Adhesion to concrete

Minimum psi (MPa )

250 psi + 100 psi None stated

None stated

Crack Bridging

ASTM C 836

Passes at 40 cycles 1/8”

Passes 25 cycles1/16”

None stated

None stated

AREMA Physical Parameters for Waterproofing Membranes

Examining Typical Projects

Typical Bridge Projects

• Concrete Highway Bridge• Pier Caps• Rehabilitating Light Rail Transit Concrete

Bridge while In-service• New Concrete Rail Bridge – Intermodal• New Steel Rail Bridge• New Pre-fabricated Steel Rail Bridge

Concrete Highway Bridge

Typical Small Highway Bridge 16,000 ft²

Prior to re-surfacing

Pouring Primer

Applying Primer

Spraying Membrane

Bridge Man

Applying Top Coat and Broadcast Aggregate ( blast pot )

Applying Top Coat and Broadcast Aggregate ( by hand )

Broadcast Aggregate Embedded

Applying Tack Coat Onto Aggregated Top Coat

Tack Coating Bare Membrane

Laying Asphalt

Cold Joint

Cross Section

Pier Caps

Pier Cap Installation

Rehabilitating Light Rail Transit Concrete

Bridge/Station while In-service

Chicago

Securing Live 3rd Rail - 800 Volts

Removing Ballast

Sand Blasting Deck

Exposed Duct Bank

Clay Duct Bank Preparation

Pull Test

Repair Using Five Star Structural Concrete

Delaminated Surface

Primer Applied

Installing Steel Coupons

Spraying Membrane and placing Ballast

Track Replaced