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B. Related Work: <br />1. Subgrade preparation under Section 02200 Earthwork. 56 39 <br />2. Subsurface drainage materials - Section 02710 Subsurface Drainage, when needed <br />3. Irrigation installation -Section 02810 Irrigation, when needed. <br />1.03 Quality Assurance <br />A. Follow Section 01340 requirements. <br />B. Installation: Performed only by skilled workpeople with satisfactory record of performance on <br />landscaping or paving projects of comparable size and quality. <br />1.04 Submittals <br />A. Submit manufacturer's product data and installation instructions. <br />B. Submit a 10" x 10" section of Grasspave2 material for review. Reviewed and accepted samples <br />will be returned to the contractor. <br />C. Submit material certificates for base course and sand fill materials. <br />1.05 Delivery, Storage, and Handling <br />A. Protect Grasspave2 units from damage during delivery and store under tarp to protect from <br />sunlight, when time from delivery to installation exceeds one week. Keep Hydrogrow in a dark and dry <br />location. <br />1.06 Project Conditions <br />A. Review installation procedures and coordinate Grasspave2 work with other work affected. <br />Generally, Grasspave2 is installed at the same time as project grass installation, nearly the last site <br />construction activity. <br />B. All hard surface paving adjacent to Grasspave2 areas, including concrete walks and asphalt paving <br />must be completed prior to installation of Grasspave2. <br />C. Gradients for grass porous paving surfaces can vary from flat to 20%, depending upon vehicle types <br />to use the surface. Please note that firelanes, or other emergency vehicles, will generally require a <br />gradient that is less than 6%. If there are any questions regarding existing gradients on this project, <br />please contact the Project Designer, or Invisible Structures, Inc. <br />D. Cold weather: <br />1. Do not use frozen materials or materials mixed or coated with ice or frost. Be careful in <br />handling rolls of Grasspave2 in temperatures below 50 degrees F, as product connectors become stiff <br />and can separate, and the individual units will retain the roll curl until warmed to room temperature <br />(aided by placement in sun for 15 to 20 minutes). If cold weather is anticipated, Grasspave2 can be <br />6/25/2007 <br />