Pleasanton, United States
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News Article | December 8, 2016
Site: www.marketwired.com

WALNUT CREEK, CA--(Marketwired - December 08, 2016) - Community leaders and supporters celebrated Oma Village as a model for affordable housing, when the Grand Opening Party attracted more than 300 people to applaud this new program for 14 homeless families. "Every one of these 14 units is going to be transformative for a family as they turn their lives around," Congressman Jared Huffman told guests at the event. "We've got a critical need for more." Guests enjoyed music and toured the furnished units, which will begin welcoming families before the end of the year. Others who helped cut the red ribbon included state Assemblyman Marc Levine, Novato Mayor Pat Eklund and Dr. Thomas Peters of Marin Community Foundation. Homeward Bound of Marin will operate Oma Village providing a continuum of care for homeless families. Through HomeAid, skills and materials from manufacturers and building professionals are pledged to Oma Village at a discount, enabling construction at the lowest possible cost. Oma Village cost an estimated $5.5 million to complete, with 90 percent of funds raised through grants and community contributions. HomeAid partners have assisted with everything from clearing the land of tree stumps to procuring kitchen faucets and planning the solar panels. The value of donations through HomeAid Northern California topped $1,300,000. "This is our first permanent supportive housing project, so we're very excited about providing housing for deserving families. Our builder captain partners Richmond American Homes and The New Home Company stepped in as Builder Captains to build Oma Village because they understand how important affordable housing is to families" says Cheryl O'Connor, HomeAid executive director. Homeward Bound of Marin collaborated previously with HomeAid in building the Next Key Center, which opened in 2008. HomeAid coordinated $250,000 in savings for that project, which includes 32 studio apartments, a training kitchen, The Key Room event venue and offices. "HomeAid is an amazing partner, not only enlisting the highest quality trades and industry professionals, but focusing on projects that have lasting value in the community," says Mary Kay Sweeney, Homeward Bound of Marin executive director. Oma Village will offer 14 one- and two-bedroom apartments, plus a community building with laundry and homework club, a playground and shared gardens. Homeward Bound, the county's chief provider of residential services for homeless families and individuals, purchased the site in 2012. The land formerly was occupied by a 30-bed drug and alcohol rehabilitation program for men. Oma Village moved forward with leading support from the Marin Community Foundation, County of Marin, City of Novato and the Dominican Sisters of San Rafael. Major grants also came from Tamalpais Pacific and the James Irvine Foundation. HomeAid Northern California would like to thank our Builder Captains Richmond American Homes and The New Home Company and all of our donors including Ace Insulation, Amerisink, B.E.E. Pest services, Baier Heating, Bryan Environmental, Cal West Carpentry, Cosco Fire Protection, Courage Safety, Cultivated Landscape , Delta Faucet, Fiber Care Baths, Gellert Foundation, Ghilottim, HD Supplym Hermsmeyer Painting, Herrick Drywall, High End Development, Homesite Services, Infinity Canopy, Iron Dog, Kelly Moore, Keystone Doors, Landmark, Lees Construction , Legacy Windows, MASCO, Maytag, Millhouse Glass A-1, Nordby Electric, Oldcastle Precast, Pacific Builders, Petersen Dean, Power Factor, Quality Built, Richard Wilkins Construction, Ross Recreation, RV Stitch, Shade Comforts, Shiloh Construction, Simpson Strong Tie, Sunpower, Swan Plumbing, The Welding Shop, Tile Redi, Timberlake Cabinets, Victory Fire, Waltex, YNR Construction. HomeAid Northern California has completed 39 shelter projects serving over 7,000 homeless through the construction of over $18 million worth of real estate for 16 homeless service providers and provided over $7 million in donations to these projects. HomeAid's recent projects include the construction of Oma Village with Homeward Bound of Marin and the construction of a new Oakland site for DreamCatcher, Alameda County's only emergency shelter for homeless and sexually exploited minors. For more information about HomeAid, visit www.homeaidnc.org. HomeAid Northern California is one of 16 chapters of HomeAid America, a leading national non-profit provider of housing for homeless families and individuals, which has sheltered over 220,000 people in its 26 year history. For information on HomeAid America, visit www.homeaid.org. Homeward Bound of Marin is the primary provider of Marin County homeless shelters and services for homeless families and individuals in Marin, California. Homeward Bound of Marin operates the only emergency shelter for homeless families in Marin County, which is the entry point for our Family Services Program. Homeward Bound of Marin also operates four supportive housing programs for families, including Oma Village in Novato. With limited affordable housing options in Marin County, Homeward Bound of Marin has developed a variety of supportive housing. Families in these programs may continue to receive services like counseling, job training, job retention support, and credit repair or money management classes. To find out more or donate to Oma Village, please see www.hbofm.org.


Bahmani P.,Colorado State University | Van De Lindt J.W.,Colorado State University | Pryor S.E.,Simpson Strong Tie | Gershfeld M.,California State Polytechnic University, Pomona | And 2 more authors.
WCTE 2014 - World Conference on Timber Engineering, Proceedings | Year: 2014

Soft-story woodframe buildings are recognizable by their large openings at the bottom story which are typically for parking and storage. In soft-story buildings the relative stiffness of the soft-story, typically the bottom story, is significantly less than upper stories due to the presence of large openings which reduce the available space for lateral force resisting system components such as shearwalls. This fact leads to large inter-story drifts and potential collapse, even before the upper stories experience significant drifts. In many cases, the distance between the center of rigidity and center of mass (i.e. eccentricity) of the soft-story is significant which develops a torsional moment in addition to the lateral force caused by the earthquake. In order to improve the performance of these at-risk buildings, two retrofit techniques were applied, namely a new Performance Based Seismic Retrofit (PBSR) method and the FEMA P-807 retrofit procedure. In the PBSR procedure the direct displacement design (DDD) methodology is used to retrofit the building such that it meets the performance criteria defined by current code, whereas, P807 retrofit procedure was applied only to the ground level to prevent collapse during moderate to large earthquakes. In the PBSR, retrofits were installed such that the building meets the performance criteria at the DBE and MCE level and its torsional response reduces to an acceptable range. The seismic performance of the retrofitted building with both PBSR and FEMA P-807 retrofit procedures was evaluated numerically and validated by testing a full-scale four-story wood-frame building that was tested in summer 2013 at NEES at UC San Diego outdoor shake table facility as part of a NEES-Soft project. These types of retrofit techniques do not only improve the performance of the soft-story building but also they can be applied to accommodate the architectural constraints of the building. Steel Special Moment Frames were used at the ground level and wood structural panels were used to retrofit the upper stories in the PBSR methodology; whereas, only steel special moment frames were used to strengthen the ground level, soft-story, of the buildings for the FEMA P-807 approach.


Bahmani P.,Colorado State University | Van De Lindt J.W.,Colorado State University | Mochizuki G.L.,Simpson Strong Tie | Gershfeld M.,California State Polytechnic University, Pomona | Pryor S.E.,Simpson Strong Tie
Journal of Architectural Engineering | Year: 2014

In the San Francisco Bay Area and throughout much of California, there are a large number of wood-frame buildings with garage space at ground level, resulting in open fronts on one or two sides. This type of geometry results in a soft and weak first story, and buildings of this archetype are generally referred to as soft-story buildings. During an earthquake, these buildings are susceptible to severe damage and collapse and have been recognized as a disaster-preparedness problem. The five-university Network for Earthquake Engineering Simulation (NEES)-Soft project culminated in a series of full-scale soft-story wood-frame building tests to validate two different retrofit philosophies and included a 2-month test program encompassing four different retrofits. The building had 370∈m2 of living space and was designed to be generally representative of older San Francisco Marina and Mission District construction, circa 1950s. Following the retrofit testing, which only moderately damaged the test building, retrofits were removed, repairs were conducted, and the building was nominally instrumented for testing without retrofits in place. A series of unidirectional shake table tests was conducted, beginning with the Cape Mendocino acceleration record scaled to 0.4g spectral acceleration up to two successive shakes with the Superstition Hills acceleration record scaled to 1.8g spectral acceleration. Little residual lateral displacement was observed until the last two earthquakes. The objectives of the collapse testing phase of the NEES-Soft project were to (1) observe and document the nature of the soft-story collapse mechanism and (2) quantify the collapse drift for these types of soft-story wood-frame buildings. The building collapsed at approximately 19% interstory drift of the soft story (ground floor). © 2014 American Society of Civil Engineers.


Bahmani P.,Colorado State University | Van De Lindt J.W.,California State Polytechnic University, Pomona | Gershfeld M.,California State Polytechnic University, Pomona | Mochizuki G.L.,Simpson Strong Tie | And 2 more authors.
Journal of Structural Engineering (United States) | Year: 2016

Soft-story wood-frame buildings have been recognized as a disaster preparedness problem for decades. There are tens of thousands of these multifamily three- and four-story structures throughout California and other parts of the United States. The majority were constructed between 1920 and 1970 and are prevalent in regions such as the San Francisco Bay Area in California. The NEES-Soft project was a five-university multiindustry effort that culminated in a series of full-scale soft-story wood-frame building tests to validate retrofit philosophies proposed by (1) Federal Emergency Management Agency's recent soft-story seismic retrofit guideline for wood buildings and (2) a performance-based seismic retrofit (PBSR) approach developed as part of the NEES-Soft project. This paper is the first in a set of companion papers that presents the building design, retrofit objectives and designs, and full-scale shake table test results of a four-story 370-m2 (4,000-ft2) soft-story test building. Four different retrofit designs were developed and tested at full scale, each with specified performance objectives, which were typically not the same. Three of these retrofits were stiffness or strength-based strategies and one applied supplemental damping devices in a pinned preassembled frame. This paper focuses on the building and retrofit design methodologies and specifics and the companion paper presents the experimental results of full-scale shake table tests ranging from 0.2- to 1.8-g spectral acceleration for all four retrofits. © 2014 American Society of Civil Engineers.


Ding F.,Simpson Strong Tie
Proceedings of the 7th International Conference on FRP Composites in Civil Engineering, CICE 2014 | Year: 2014

Carbon fiber-reinforced polymer (CFRP) concrete bond behavior modeling is critical to evaluate the performance of the near-surface mounted (NSM) CFRP strengthened RC structures. This paper presents an efficient approach to model CFRP-concrete bond behavior based on cohesive damage and fracture energy for mixed mode delamination. Abaqus/CAE was employed to create a complete 3D finite element model. Abaqus/Explicit solver was used to solve the model on a 32-core high performance computing (HPC) cluster because of a large model size and progressive cohesive bond failure and damage involved. The predicted NSM-CFRP strengthened T-beam load deflection, concrete crack pattern, and CFRP-concrete de-bonding were in very good agreement with the test results. The proposed numerical method is able to realistically model NSM-CFRP strengthened RC structures with enough HPC resources. It paves a way to apply 3D finite element simulation to real-world FRP projects.


Jarvinen M.,Simpson Strong Tie
Concrete (London) | Year: 2011

Wilson Consulting Group, an engineering firm from Mechanicsburg, Pennsylvania, the US, worked with Simpson Strong-Tie Anchor Systems in 2010 to discuss the potential of using the company's post-installed anchor products, along with temporary shoring applications for the 4th Street Bridge Rehabilitation Project in Allentown. Wilson Consulting Group was awarded a contract by Bill Anskis Company of Elysburg, Pennsylvania, to provide temporary shoring designs for replacing the bridge bearings. A significant portion of the shoring design involved anchoring large fabricated structural steel corbels with eccentric steel stanchions to the existing reinforced, normal-weight, cast-in-place concrete abutments and pier columns with multiple threaded rod anchors bonded to the concrete with an anchoring adhesive. This design method was implemented while several different methods of temporary shoring were used during the project.


Pryor S.E.,Simpson Strong Tie | Murray T.M.,Virginia Polytechnic Institute and State University
ISEC 2013 - 7th International Structural Engineering and Construction Conference: New Developments in Structural Engineering and Construction | Year: 2013

Partial strength steel moment frame connections have been used successfully for many years in the United States. Traditionally used in wind-resistant designs, their use in seismic applications has been limited. In the United States, partial strength moment connections are currently only allowed for low ductility demand Ordinary Moment Frame systems per the governing code, ANSI/AISC 341-10. Created with a focus on wood construction and enhanced structural resiliency, Simpson Strong-Tie has developed a proprietary new type of partial strength moment connection specifically for high seismic or high ductility demand environments such as those found in the western U.S (U.S. Patent No. 8,001,734 B2). Currently under review by the AISC Connection Prequalification Review Panel for inclusion in ANSI/AISC 358, the connection would become the first partial strength steel moment frame connection to be qualified for use in Special Moment Frame systems. Merging a number of different technologies, the field-bolted moment connections focus seismic energy dissipation into replaceable structural fuses, facilitating resilience and rapid recovery after a seismic event. The connection shows promise for not only new construction, but retrofit applications as well. Copyright © 2013 by Research Publishing Services.


Munir S.,Napier University | Kermani A.,Napier University | Harrison I.,Simpson Strong Tie
World Conference on Timber Engineering 2012, WCTE 2012 | Year: 2012

Timber frame can offer many aesthetic and structural benefits over other construction materials, for example effective insulation for energy efficiency, sustainable design and ease and speed of construction. For all the known benefits of using timber frame there are certain limitations that are often linked to its strength and stiffness performance in connection systems. A key design limitation of timber frame structures is that the lateral resistance to wind loads becomes increasingly difficult to accommodate as opening sizes increase. These limitations are restricting the potential for market growth as clients are increasingly asking for detached dwellings with relatively large openings in their shorter/narrow walls and for multi-storey buildings often with large openings. This research aimed to resolve the issues arising from the lack of racking resistance in timber frame buildings and is focused on developing a structural reinforcement system for the timber frame market. This will facilitate the construction of detached dwellings and multi-storey buildings with large spans and openings. The system will allow greater architectural flexibility whilst being simple to install and cost effective. Copyright © (2012) by WCTE 2012 Committee.


Jennings E.,Colorado State University | van de Lindt J.W.,Colorado State University | Ziaei E.,Clemson University | Mochizuki G.,Simpson Strong Tie | And 2 more authors.
Engineering Structures | Year: 2014

Soft-story woodframe buildings are prevalent in much of California and for decades have been recognized as a disaster preparedness problem for both the owners/tenants and community as a whole. Retrofit programs for these at-risk buildings have been proposed with the first such program in a major city mandated in San Francisco in 2013. In this paper, a seismic retrofit methodology for soft-story woodframe buildings is presented. The methodology utilizes seismic response modification devices that consist of a compact steel section for energy dissipation and shape memory alloy (SMA) wire for re-centering capability, should that be needed. The device can be installed within a scissor-jack brace which is known for its compact footprint and high displacement magnification factor. These characteristics make it suitable mainly because of the need for placement in or near short wall segments characteristic of the bottom floor of soft-story woodframe buildings. The retrofit methodology using the SMA-steel device in a scissor-jack brace was developed and exemplified on a three-story soft-story woodframe building. Nonlinear time history analysis was conducted to quantify the performance of the retrofitted building for a suite of earthquakes. Experimental validation consisted of a full-scale hybrid test of the three-story building with the seismic retrofit represented numerically in the first-story serving as the numerical substructure, and the upper two stories represented physically in the laboratory. The results of the full-scale hybrid test are presented thereby validating the proposed seismic retrofit using SMA-steel devices in scissor-jack braces. © 2014 Elsevier Ltd.


Trademark
Simpson Strong Tie | Date: 2013-01-22

Metal concrete construction hardware, namely, load transfer dowels.

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