WA APWA CIPP Presentation4-16-10

Trenchless Technology for Sanitary and Storm Rehabilitation : 

Trenchless Technology for Sanitary and Storm Rehabilitation Presented by Jeff Beck, P.E. Insituform

Trenchless Technology: 

Trenchless Technology Cured in Place Pipe – Rehabilitating Sanitary and Storm Sewers New CIPP innovations AISC – Air Inversion Steam Cure iPlus ™ Composite iPlus ™ Infusion Green Initiative using Trenchless

Global Infrastructure Crisis: 

Global Infrastructure Crisis 2009 Report Card for America’s Infrastructure – per ASCE Wastewater = D – Bridges = C Investing in infrastructure, has proven to be beneficial in the past, with a $7 return for every $1 of investment Trenchless (no-dig) technologies are more cost-effective and less disruptive pipeline solutions to other traditional methods These technologies benefit the health of people and the economy

Global Water Crisis: 

Global Water Crisis The Clean Water Act was established 35 years ago to help prevent spills and environmental damage The EPA estimates there are more than 40,000 sewer spills each year Sinkholes are becoming a more common occurrence Insituform’s flagship cured-in-place pipe technology helps to address these and other problems

Insituform History: 

Insituform was established in 1971 with the invention of the cured-in-place pipe method of underground pipeline rehabilitation Developed by Eric Wood in the UK, the Insituform process was the first to rehabilitate underground pipelines without digging and disruption Insituform History Insituform working in Denver, Colorado

What is CIPP?: 

Developed in 1971, cured-in-place pipe (CIPP) is a trenchless technology developed by Insituform The end product is a jointless, seamless, pipe-within a pipe that protects against spills, breaks and pipeline leakage Insituform has installed over 15,000 miles of CIPP and has been the industry leader for over 35 years What is CIPP?

Benefits: 

Benefits Eliminate infiltration and exfiltration Restore structural integrity Prevent sinkholes and surface settlement Eliminate joints, root intrusion and leaks Increase flow capacity Protect pipes from corrosion Increase pipe strength Reduce maintenance Minimal traffic disruption Fewer social costs to open-cut Suitable for irregularly shaped pipes and changes in pipe diameter

CIPP Installation : 

CIPP Installation Thermosetting resin is injected into a felt tube The tube is inserted into an existing host pipeline by either pull-in or inversion The tube is inflated to the size of the host pipe The CIPP tube is cured using hot water or steam Ends are cut and the final product is a fully-functional pipe-within-a-pipe

CIPP Installation: 

CIPP Installation

Why Trenchless?: 

Trenchless technology is superior to dig and replace for a variety of reasons Cost-effectiveness Ease of Design Production rates Extends underground assets Benefits environment Why Trenchless?

CIPP Affordability: 

CIPP Affordability

Open Cut Pricing: 

Open Cut Pricing

Wet Out: 

Wet Out Insituform has seven wet out facilities strategically located throughout North America All facilities are ISO- certified and comply to industry safety standards Quality is constantly regulated and makes use of the most advanced wet out technologies

Resin: 

Resin - Once cured, thermosetting resin retains its shape with no residual memory. Resin types: Polyester Vinyl Ester Epoxy Polyester resins are most used in gravity sewer rehabilitation due to their high flexural modulus, low tensile elongation and good chemical resistance. Polyester Vinyl ester Epoxy Resin

Design and Testing: 

Design and Testing ASTM F1216 ASTM F1743 100 Year Design Life Third Party Testing Test Results From Previous Installations

CIPP Technical Envelope: 

CIPP Technical Envelope Diameter Range 6 to 96 inches pH Range .5 to 10.5 Effluent Temperature Up to 140° Fully Deteriorated Pipe Condition Yes Partially Deteriorated Pipe Condition Yes Bends Yes Offset Joints Yes Diameter Changes Yes, without manhole access Thickness Changes Yes, without manhole access Typical Shot Length 200 ft. to 1,000 ft. Host Pipe Shape All Shapes Host Pipe Material All Materials

Air Inversion Steam Cure (AISC): 

Air Inversion Steam Cure (AISC) Produces same high quality end product in shortened installation cycle Specialized installation equipment to minimize footprint at manhole Insituform material modified for steam cure Available for a variety of diameter pipe (8” – 72”) Over 2 million feet installed using steam to date

Air-Inversion Steam-Cure (AISC): 

High energy steam cure shortens installation cycle Off street installation made with little disruption Steam eliminates grade limitations Minimal water required for cure Air-Inversion Steam-Cure (AISC)

30” Sewer – St. Louis MSD AISC: 

30” Sewer – St. Louis MSD AISC Before Lining Post-Lining

Slide 20: 

iPlus Composite™ Reinforced with carbon and glass fibers, iPlus Composite cost-effectively provides environmental benefits, increases flow rate, minimizes disruption and won Innovative New Product Award at No-Dig in 2007. iPlus Infusion ™ iPlus Infusion is Insituform’s cured-in-place pull-in and steam-cure method. It offers superior physical properties, minimal disruption, and environmental benefits for small diameter pipes. Insituform has developed new CIPP solutions for trenchless construction Innovative Technology iPlus Composite ™ and iPlus Infusion ™

iPlus Composite™: 

iPlus Composite ™ iPlus Composite ™ is suitable for the rehabilitation of medium to large diameter pipelines Reinforced with carbon or glass fibers, it provides more strength and greater capacity Thinner walls = less resin = better for the environment

Slide 22: 

Tight Fitting Close-up CP installed into PVC host pipe iPlus Composite ™

Slide 23: 

PVC sewn-seam coating (PP) Glass Carbon iPlus Composite ™

iPlus Composite™: 

iPlus Composite ™ Sandwich technology High modulus (stiff) outer “skins” bonded to a core with lower material properties

Completed iPlus Composite: 

30-inch iplus Composite ™ installation at a service location Completed iPlus Composite

iPlus Infusion™ - ASTM 1743: 

iPlus Infusion ™ - ASTM 1743 Small installation footprint minimizes disruption Ideal for small backyard easements 700+ ft installations Boiler truck can be located 250 ft from MH

iPlus Infusion™: 

iPlus Infusion ™ Shorter cycle time Smaller footprint Shorter sewer outage Reduced equipment on street Minimal traffic disruption Greater installation flexibility

iPlus Infusion™ Installation: 

iPlus Infusion ™ Installation Step One: Tubes “wet-out” using controlled resin impregnation system Step Two: A resin-saturated tube is pulled into damaged pipe

iPlus Infusion™ Installation: 

iPlus Infusion ™ Installation Step Three: Air is used to inflate the tube and steam is used to cure the resin Step Four: Service laterals are restored internally

Steam Cure: 

Steam Cure 50% reduction in energy usage and 98% reduction in water usage over traditional water inversion/hot water cure Virtually eliminates discharge of process water into sewers No grade limitations Shorter cool down allows lateral reinstatement to take place sooner

Reduced Equipment Requirements: 

Reduced Equipment Requirements Smallest jobsite footprint of any CIPP process Portable equipment Ideal for off-road installations Minimal traffic disruption Reduces stress on tube Shot lengths up to 230m Meets or exceeds the physical properties set forth in ASTM F1743

Technical Envelope Infusion™: 

Technical Envelope Infusion ™ Diameter Range 4 inch – 12 inch pH Range .5 – 10.5 Effluent Temperature Up to 140 ° F Fully Deteriorated Yes Partially Deteriorated Yes Bends No Offset Joints Yes Shot Length Up to 750 feet Host Pipe Material All, except truss

Slide 33: 

Environmental Benefits Insituform uses air and steam energy where applicable Cuts down water use by 95% Tube can be made from up to 98% recycled material iPlus Composite and other technologies cut down on need for resin and other petroleum-based products CIPP rehabilitation can prevent sewer spills, oil spills and water main breaks

Slide 34: 

Questions?