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2. Permeable paving - Wikipedia

   en.wikipedia.org/wiki/Permeable_paving

   Polymer based grass grid or cellular paver systems provide load bearing reinforcement for unpaved surfaces of gravel or turf. Grass pavers, plastic turf reinforcing grids (PTRG), and geocells (cellular confinement systems) are honeycombed 3D grid-cellular systems, made of thin-walled HDPE plastic or other polymer alloys. These provide grass ...

3. Ground reinforcement - Wikipedia

   en.wikipedia.org/wiki/Ground_reinforcement

   Iron plates, being heavy, are generally installed using a crane while plywood and plastic reinforcements are placed by hand. Ground reinforcement grids are installed by preparing a suitable depth of sub base material, overlaid with a screed layer of fine gravel or sharp sand to create a level followed by geotextile membrane before final assembly and in-filling of the final grid surface.

4. Cellular confinement - Wikipedia

   en.wikipedia.org/wiki/Cellular_confinement

   Cellular confinement systems (CCS)—also known as geocells—are widely used in construction for erosion control, soil stabilization on flat ground and steep slopes, channel protection, and structural reinforcement for load support and earth retention. [1]

5. California's Pacific Gas & Electric could receive $15B in ...

   www.aol.com/news/californias-pacific-gas...

   Pacific Gas & Electric Co. could receive up to $15 billion in federal loans to help the utility modernize its power grid and expand clean energy infrastructure across central and northern ...

6. Silver Spring Networks - Wikipedia

   en.wikipedia.org/wiki/Silver_Spring_Networks

   Silver Spring Networks, headquartered in San Jose, California, was a provider of smart grid products, with offices in Australia, Singapore, Brazil, and the United Kingdom. In January 2018, the company was acquired by Itron for $830 million and was renamed Itron Networked Solutions.

7. Eastern Interconnection - Wikipedia

   en.wikipedia.org/wiki/Eastern_Interconnection

   All of the electric utilities in the Eastern Interconnection are electrically tied together during normal system conditions and operate at a synchronized frequency at an average of 60 Hz. The Eastern Interconnection reaches from Central Canada eastward to the Atlantic coast (excluding Quebec ), south to Florida , and back to the western Great ...