RockGuard® SD Project Specifications

1.01 SECTION INCLUDES

1. Requirements for ROCKGUARDŽ SD Rock Shield as designed to offer protection from abrasive rock damage caused by backfill operations and/or damage caused by geological forces after compaction. ROCKGUARDŽ SD protects the exterior coatings of all transmission pipes used in the transmission of oil, natural gas, and other petroleum based products, from moderately abrasive rock.

1.02 REFERENCES

1. American Society for Testing Materials (ASTM)

1.03 QUALITY ASSURANCE

1. ROCKGUARDŽ SD manufacturer shall maintain ISO 9001 Accreditation, and must have experience in producing protective Rock Shield.

1.04 DELIVERY, STORAGE, AND HANDLING

1. ROCKGUARDŽ SD shall be stored indoors or under tarps, to protect from U.V. rays, oil, and soil contamination.

PART 2 PRODUCTS

2.01 MATERIALS

1. ROCKGUARDŽ SD shall be a three-dimensional bi-planar extruded diamond structured mesh, by Industrial Fabrics, Inc. 1-800-848-4500, 1-225-273-9600, or rockguard.biz.



2. ROCKGUARDŽ SD shall be extruded from an elastomeric material, comprised of LDPE or HDPE. No harmful PVC compounds should be used in the manufacturing of this product.



3. ROCKGUARDŽ SD is to be constructed as a three dimensional, bi-planar extruded diamond mesh netting.



4. ROCKGUARDŽ SD shall be bi-directional in nature, and should sufficiently protect coatings/pipe regardless which side of the product is applied to the pipe.



5. The color of the ROCKGUARDŽ SD shall be black.



6. Performance requirements as follows:
   
   
   • Must be constructed of polyethylene material
   • Cathodic Protection Shielding - ROCKGUARDŽ SD must allow passage of CP current

2.02 ACCESSORIES

1. Polyester filament tape shall be used to secure ROCKGUARDŽ SD to pipe.

3.01 INSTALLATION

1. ROCKGUARDŽ SD shall be installed in roll or pad form and shall be affixed to pipe utilizing polyester filament tape.



2. ROCKGUARDŽ SD shall completely encircle pipe with a minimum overlap of 4". All Overlaps shall be located at the bottom radius of the pipe (6 o'clock position).



3. Backfill should be shaded into the trench during the backfill operation, taking care to minimize direct impact on top of pipe.