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Friday, November 01, 2019 (3 events)

ASCE OC & SONRIE - 2019 Toy Drive! (October 16, 2019 at 11:00pm)

From Calendar: OC YMF     Location: Accepting Donations @ Branch & YMF Events, CA 92612     View Details

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OC Geo-Institute – Technical Tour: Aggregate Pier Installation at the Moulton Niguel Water District (1:30 pm)

From Calendar: OC YMF

Location: Moulton Niguel Water District (MNWD) Plant 2A Upgrades and Administration Facility26161 Gordon Rd, Laguna Hills, CA 92653

Details: Please join us for a technical tour of the construction operations at the Moulton Niguel Water District (MNWD) Plant 2A Upgrades and Administration Facility. This tour will allow attendees to observe the instillation of Vibro Piers that were designed to mitigate anticipated settlements from the proposed construction of three new buildings and placement of up to 14 feet of fill. Vibro Piers were chosen as a ground improvement method to allow for selection of a shallow foundation system and to avoid the need for deep foundations. The Vibro Piers are a soil reinforcement system where the aggregate piers replace a portion of the weaker native soils and work in conjunction with the native soils to support shallow foundations, reinforced concrete mat foundations, and/or reinforced floor slabs on grade. The improved area was chosen to decrease anticipated total and differential settlements of the proposed improvements within tolerable limits.   Attendees will observe installation of the Vibro Pier system that is constructed using a vibratory probe to compact the aggregate pier material and increase lateral stress in the surrounding soils. The aggregate pier material is placed and compacted in lifts. The aggregate pier material can be placed into a predrilled hole, or it can be fed through a pipe and delivered directly to the aggregate pier at the tip of the vibrator. There will be an onsite presentation about the background of the project, subsurface soil conditions and a discussion about Vibro Piers and the purpose for their recommendation for use at the site.   The event has limited space and we welcome all on a first come basis. The following are event requirements: Proper PPE is required for all site visitors (vest, safety glasses, and hardhat) and can be provided by Hayward Baker Inc, if needed. Please email [email protected] if you require any PPE, otherwise please bring your own if you have them. All site visitors must be dressed appropriately for a construction site, including long pants and work boots. Site visitors will receive a brief safety orientation at the site and must comply with all jobsite rules and requirements provided. Meeting location will be Smart and Final Extra parking lot located at 26560 Moulton Pkwy, Laguna Hills, CA, 92653 as shown below at 2:30 PM. Transportation will be provided to the job site.  Sunil Arora, PE (805-901-9301)  

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Newsletter Articles Due (2:48 pm)

From Calendar: LA Section



Please send all copy to the Editor by the first of the month preceding publication.

Dr. Chris Liban [email protected]

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