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LATEST NEWS

July 25 2008

EnviroLoc 180C™ Website goes live.

July 6 2008

EnviroLoc 180C™ website begins construction.

Feb 8 2008

Comparative study completed on EnviroLoc 180C™ versus Traditional Liner such as High Density Polyethylene (HDPE).

EnviroLoc 180C^TM Containment Liner Specifications

	EnviroLoc 180CTM	Units
Carbon Black Content	UV stable w/o Carbon Black
Thickness*	60 mils	mil
Specific Gravity	1.08-1.10	N/A
Tensile strength at Break ASTM D638	2338 psi	psi
Yield Strength	129 PPI	psi
Elongation at Break ASTM D638	367%	%
Elongation at Yield	340%	%
Tear Resistance ASTM D624	352 lbs	lbs
Puncture Resistance ASTM D2794	160 lbs	lbs
Dimensional Stability		%
Min. Environmental Stress Crack	ASTM D522 -40°C/F	hrs
Coefficient of Linear Thermal Expansion	ASTM DC531 4x10^-5	N/A
Bonded Seam Strength	129 PPI	lb/in
Field Seam Strength	110 PPI	lb/in
Peel Adhesion	94 PPI	lb/in
Lower Temperature in Service	-65°C/-85°F	*Deg
Upper Temperature in Service	232°C/450°F	*Deg
Lower Temperature for Installation	-40°C/-40°F	*Deg
Upper Temperature for Installation	45°C/113°F	*Deg
Min/Max Resistance to Bitumen2	180°C+/356°F+	*Deg
Min/Max Resistance to Kerosene2	180°C+/356°F+	*Deg
Min/Max Resistance to Naptha2	100°C/212°F (7 Days)	*Deg
Min/Max Resistance to Gas Oil2	180°C+/356°F+	*Deg
Min/Max Resistance to Ultraviolet	Tested for minimum 75 yr life span. Used on Boston Tunnel submerged section 10 hrs accelerated aging
Expected Useful Life	UV Stable over 75 years	yrs
Method of Application	Panels seam spray applied
Max Width of Roll	15'	ft
Max Length of Roll	Custom	ft
Length of Panels for Project	75'	ft

^* Comparable to 80mil HDPE
² Emersion conditions

Specification Clarifications for EnviroLoc 180C™ Containment Systems

• General
• 1. Scope
  2. 1. This standard covers the technical requirements for the matierals and installation of flexible membrane liner (FML) manufactured and supplied by EnviroLoc Enviromental Containment Systems from the application of a spray on membrane for the purpose of liquid or solid containment.
  3. Definitions
  4. 1. Flexible Membrane Liners (FML) -- means impervious sheets that can be installed on prepared surfaces that are at or below the finished grade of a liquid or solid containment installation. The finished lining system shall form a continous membrane barrier to prevent the leakage of liquids or solids. Unless otherwise specified, the FML shall be made of EnviroLoc 180C™ Composite liner System.
  5. Submittals during work
  6. 1. Remove has been replaced by the changes in (d)
     2. Before the start of work, the Contractor shall submit 2 field seam samples to the Owner for review and approval. The seams shall be fabricated using the same materials, equipment and procedures that will be used during the actual liner installation. Samples shall be numbered and dated.
     3. Before the start of work, the Contractor shall submit a complete Construction Execution Plan outlining the installation, seaming and repair procedures which will be used during the installation phase of the project.
     4. Daily reports shall be submitted by the Contractor, documenting work accomplished the previous day including all personnel and equipment on-site, quantities of material received, panels placed, seams completed, test performed, repairs made, weather conditions and all other applications comments relevant to the progress of the work.
  7. Submittals at Completion of Work
  8. 1. Written 25 year warranty that the entire liner work constructed by the Contractor and the supplier is free of defects in materials and workmanship.

• Products
• 1. Liner Material
  2. 1. Composition of the Liner System
     2. 1. Unless otherwise specified and approved by the Owner, shall be EnviroLoc Enviromental Containment Systems comprised of a composite of EnviroLoc 180C™ Spray on Membrane and integrated fabric.
     3. Manufacture of the Liner System
     4. 1. The manufacture of the liner panel shall be by creating a composite liner system using pure EnviroLoc 180C™ entirely free of plasticizers or other filler materials.
     5. Seam Material
     6. 1. The EnviroLoc 180C™ used in the seaming process to make field seams between EnviroLoc 180C™ panels shall be the same as the EnviroLoc 180C™ panels. Physical properties of the EnviroLoc 180C™ shall be the same as the liners.
     7. Product Dimensions
     8. 1. Individual sections of the liner, as supplied, shall normally be 15 feet wide without prefabrication or shall be of such dimensions and shape as will result in the minimum on site seams and ease of installation with minimum amount of equipment. Unless otherwise specified on the design drawings, the nominal thickness of the liner to be 60 mils (1.5mm)
     9. Physical properties
     10. 1. Unless otherwise specified in the project documents, the physical properties of the liner shall meet the requiements listed in the table above.
     11. Field Seams
     12. 1. The field seams shall meet the requirements in the table above.
         2. All destructive field seam tests will be conducted after the 48 hour cure cycle has been completed.

• Execution
• 1. Delivery, Storage and Handling
  2. 1. Storage
     2. 1. Liner panels delivered to the site shall be inspected for damage and shall be unloaded and stored with minimum handling. Panels shall not be stored directly on the ground. The storage area shall be such all panels are protected from mud, soil, dirt, debris and weather.
     3. Handling
     4. 1. Under no circumstances shall the liner be subjected to materials, equipment, or other items being dragged across its surface nor shall workman and others slide down the slopes atop the liner. All damaged surfaces resulting from abuse of any kind by the Contractor shall be repaired at no additional cost to the Owner. All damages caused by other/Contractors on site will be billed to the responsible party.
     5. Installation
     6. 1. Project Plans
        2. 1. The liner shall be installed in accordance with the project plans and engineered drawings.
        3. Inspection
        4. 1. During the deployment of the panels for use and placement, the Contractor shall visually inspect all materials, particularly surfaces of the panels for imperfections and faulty areas. All such defective areas shall be marked and recorded. Inspection and approval by the Contractor, any repair work, which shall be conducted in accordance with the approved methods.
        5. Deployment
        6. 1. Only liner panels which can be installed during the same day's work shall be deployed.
        7. Identification
        8. 1. Liner panels shall be of such length and width and shall be placed in a manner to reduce field seaming to a mimimum. All panels shall be designated with a batch number. The Contractor shall be responsible for assigning the number and shall locate the numbers near the top and bottom on the underside of the panels. These batch numbers shall also be noted on the QA/QC as built drawing. All panels under 25 square feet in area shall be considered a patch and shall not require a number.
        9. Anchoring
        10. 1. The liner shall be anchored and sealed to structures and other types of penetrations in accordance with approved procedures and details prepared by the Contractor.
        11. Access to the Liner
        12. 1. Extreme care shall be taken during installation to prevent damage to the liner. The Installation Team performing handling and installation shall ensure their footwear has been cleaned to remove any debris which could damage the liner. No foot traffic shal be allowed on the liner without cleaning their boots with a wire brush. No equipment except spray lines, non liner materials or other items shall be dragged across or allowed to slide upon the liner.
        13. Installation Conditions
        14. 1. No liner installation shall take place during inclement weather such as heavy rain and snow, periods of high winds and at temperatures below minus 25°C. If wind is prevalent, deployment should start at upwind position. Weather conditions should be recorded in the daily field log.
        15. Installation in High Winds
        16. 1. If liner installation take place during high winds, the Contractor shall be responsible for protecting the liner against adverse effect of high windows such as uplift. Sand bags shall be used as required to hols the liner panels in position during installation. Sand bags shall be sufficiently close-knit to preclude fines form working through the bottom, sides or seams. Paper bags, whether or not lined with plastic, shall not be permitted.
            2. Burlap bags, if used must be lined with plastic. Bags shall not contain less than 40, nor more than 60 lbs of sand having 100% passing a number 8 screen (2.36mm) and shall be tied after filling. Bags that are split, torn, or otherwise losing their content shall be immediately removed from the work area and any spills immediately cleaned up.
        17. Concrete Anchoring
        18. 1. For all liner attachments to concrete the Contractor will prepare the surface of the concrete by either blasting or grinding the area which the liner will be attached. The surface will then be sprayed with EnviroLoc 180C™ and the panel anchored to the surface.
     7. Field Seaming
     8. 1. Seaming Temperatures
        2. 1. Seaming shall be performed only which atmospheric temperatures are above -35°C and below 40°C.
        3. Seaming Procedures
        4. 1. Field seams between panels of liner materials shall be made using approved composite seaming procedures, equipment, and techniques. Only spraying to create the composite seam is an acceptable method of seaming.
        5. Seam Conditions
        6. 1. Seam tests will be conducted to determine that adequate conditions exist for field seaming to proceed. The Owner may require a sample field seam to be made at any time during the seaming production to verify equipment/operator performance and seam integrity.
        7. Fish Mouths
        8. 1. Where "fish mouths" occur, the materials shall be cut, overlapped, and sprayed to secure. All seams shall be tightly bonded.
     9. Seam Testing
     10. 1. Destructive Testing
         2. 1. A test stripe of a seam will be removed for the liner at the Owner request to be tested after the 48 hour cure cycle has been completed, the Contractor shall send this test stripe for testing to the laboratory for further testing if the on-site test does not meet test perimeters in accordance with ASTM and other standard.
         3. Time Frame
         4. 1. Any seam, seam testing and repairs shall be completed within 3 working days.
         5. Testing Schedule
         6. 1. Seam strength testing shall be done as the seaming work progresses and not at the completion of the field seaming.
            2. Destructive testing shall be performed at the Owners request and Vacuum Box Testing will be done every 500 feet (150m) of field seaming performed. Each destructive test sample shall be 12 inches (300mm) wide and 24 inches (600mm) long with the seam centered lengthwise.
            3. Sampling and testing will be done under an approved QA/QC plan. All samples shall be marked with the date, ambient temperature, and location. One sample will be tested on-site by the Contractor for thickness, peel and shear strength. Samples shall be tested by an independant testing agency outlined in the Construction Execution Plan. The independant testing agency shall save all test samples until notified by the Owner's Engineer relative to their disposal. Results of the test which have failed shall be forwarded to the Contractor who will contact the Owner's Engineer for determination of corrective measures.
         7. Retesting Procedures and Repairs
         8. 1. Destructive samples which have failed, the Contractor shall take two new samples approximately 10 feet (3m) on each of the failed test areas. The Contractor shall deliver these samples to the same laboratory and pay for the repeat testing. Once two samples have passed, the seam may be accepted and the Contractor shall repair seams cut out for the test samples.
         9. Capping
         10. 1. Removing section, this procedure is not used in the application of the EnviroLoc 180C™ System.
         11. Non-destructive Testing
         12. 1. Non-destructive testing of all seams and repairs shall be conducted every 500 feet (150m) and with the observation of the Owner's Engineer or approved inspector. The purpose of the non-destructive testing is to check the continuity of the seams. It does not provide information on the seam strength. Testing shall take place as the seaming work progresses and not at the completion of all field seaming. Vacuum Box Testing can be used for non-destructive testing.
     11. Field Repair/Patching
     12. 1. Inspection
         2. 1. All seams and seals of the FML liner shall be tightly bonded on completion of work. Any liner surface showing signs of injury due to scuffing or penetrations by foreign objects or showing signs of distress shall be replaced or repaired using accepted methods. All repairs shall be completed within 3 working days of the initial seaming.
         3. Small Holes
         4. 1. Small holes shall be repaired by preparing the surface by cleaning and using a re-activator then spraying the damaged area.
         5. Tears
         6. 1. Tears shall be repaired by patching. The tear will be cleaned using the same procedure outlined for all repairs: a piece of uncoated fabric will be placed over the damaged area and then sprayed to create a monolithic system.
         7. Blisters
         8. 1. Blisters, large holes, undispersed raw materials and contamination by foreign matter shall be repaired by patching.
         9. Time Frame
         10. 1. Liner surfaces to be repaired shall be cleaned and reactivated no more than 20 minutes prior to the repair. If abraded no more than 10% of the thickness shall be removed.
         11. Identification
         12. 1. The Contractor shall mark adjacent to all seams and repairs, the seam number and date.
         13. Repair Testing
         14. 1. All repairs where practical may be non-destructively tested. Repairs shall also be inspected by the Owner's Engineer for deficiencies prior to panel acceptance and seam acceptance.
     13. Record (As-Built) Drawings
     14. 1. Field Office
         2. 1. A reproductive set of as-built drawings shall be kept in the field office. Changes shall be noted on the drawings as soon as the changes are made.
         3. Changes
         4. 1. All changes to the approved procedure must be approved by the Owner's Engineer. Request for field changes to the approved installation procedures and schedule shall be submitted in writing to the Owner's Engineer for review and approval.
     15. Liner Acceptance
     16. 1. Guidelines
         2. 1. The Contractor shall retain ownership and responsibility for the installed liner until acceptance by the Owner. The liner shall be accepted by the Owner when the following conditions are met:
            2. • Installation is complete
               • Verification of adequacy of all field seams and repairs, including associated testing is complete.
               • Documentation of completed installation, including all submittal and reports are complete.

• Quality Assurance
• 1. General
  2. 1. EnviroLoc 180C™ Liner Material
     2. 1. The EnviroLoc 180C™ Liner panels shall be produced to be free of holes, undispersed raw materials, or any signs of contamination by foreign matter. Any such defects shall be repaired by the Contractor using the same procedures outlined in the repair section.
     3. EnviroLoc 180C™ Liner Quality
     4. 1. The EnviroLoc 180C™ panels shall be of uniform thickness, size and surface texture. The panels to be delivered shall be a composite system. The panels roll length and width should be maximized to provide the largest manageable panel for fewest seams.

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