Published

Story Updates

    9/28/10
  • Regarding Earthquakes

    Many of you may not be aware, but our blog updates are being run simultaneously on the SF Public Press website. A few days ago a reader posted a comment on the Public Press website. Here’s a copy of his comment as well as our reply:

     

    “Dear Ms. Nitra;
    You raise some interesting points in your article, but also make some assertions for which you offer no supporting facts. The most glaring is your assertion that the land upon which this proposed project would be built is unstable. For greater credibility, this assertion must be backed up with geological facts.
    Also left out of this essay is the impact of creating housing for 30,000 people on transportation systems in this area.
    As a real estate professional I am a strong advocate for home ownership for as many people as possible. From that standpoint I also support this project and watch it's progress closely. I believe that the elected officails of Redwood City, and the Redwood City Planning Commission must, in concert with our U.S. Senators and Congresspersons, become strong advocates for such things as a BART extension that will connect the entire Peninsula with the South Bay and the East Bay."
    James L. Somers

    Alain Pinel Realtors


     

    OUR REPLY:


    Dear Mr. Sommers,

    Thank you for writing in and I’m sorry for the delayed reply. I didn’t see your comment until today. First, I’d like to clarify that our blogs are updates from the field as we go about reporting the story. It’s not the final story. Hence, there will be gaps in information.


    However, since you brought the matter up, here’s a info-graphic based on the US Geological Survey's liquefaction susceptibility map highlighting the project site. The property falls within a moderate risk zone. Dr. Thomas L. Holzer, research geologist with the Earthquake Hazards Team of the US Geological Survey in Menolo Park, says though liquefaction is probably not a high risk because soils in the South Bay tend to be clayey rather than sandy, the clayey soil can amplify the level of ground shaking, especially for more distant earthquakes.

    The Saltworks site is about six miles from the San Andreas Fault that caused the massive 1906 earthquake. Ilt is one of the higher risk faults in the Bay Area. The 2008 Uniform California Earthquake Rupture Forecast predicts there is a two-out-of-three chance that the Bay Area will experience another earthquake of a 6.7 magnitude or greater within the next three decades.

    If an earthquake of say, 6 to 7 magnitude originates in the San Andreas Fault, the earth on the Saltworks site would shake with an acceleration of a 0.3 to 0.4 g-force, Dr Holzer says. If it originates in the Hayward Fault, the acceleration would be about 0.2 g-force.

    “The primary concern one would have is the area is protected by levees, so if the earthquake occurred during very high tide you might have levee failures,” he says.

    Regarding transportation – right now Highway 101 separates the site from downtown Redwood City. There are three access roads, one four-lane road which acts as the main thoroughfare to and from the site and two minor two-lane roads, one of which runs for two miles along the bay-side of highway 101 through trailer home parks and away from downtown.


    The builder, DMB Associates, says the project will provide a transit loop that will link the site to downtown Redwood City, including the Caltrain terminal and the light rail station (if and when it comes through) as well as a proposed ferry terminal on the bay end. How the existing infrastructure and mass transit systems will operate under the load of 30,000 additional residents in Redwood City hasn’t been studied yet. But it would certainly help if the light rail comes through or the BART line is extended to Redwood City.

    Posted by Maureen Nandini Mitra on 09/28/10
  • 9/26/10
  • Veteran smart growth group wary of rushing to judgment

     

     
    The other day we had a chance to chat over the phone with Jeremy Madsen, executive director of Greenbelt Alliance. This much-respected nonprofit has been advocating smart growth and open spaces in the San Francisco Bay Area since 1958. In 2008 the outfit published Smart Infill, a 80-page report that recommends infill development – building on vacant lots and redeveloping blighted urban areas – as a way of accommodating the Bay Area’s growing population without paving the region’s farms and natural areas.
     
    Greenbelt Alliance’s support does carry quite a bit of weight, but the outfit hasn’t taken a position on the Saltworks project yet. Here’s what Madsen had to say about why this group is sitting on the fence:
     
    “[The Saltworks] project is obviously one of the biggest and most controversial land use questions before the Bay Area right now and it's important that we as a region get it right. The question on the table is can we accommodate that next generation of growth in a way that is consistent with our regions' environmental values? I think the answer to that is yes, but it's going to take very careful and very thoughtful deliberation on issues like this so that we as a region get it right.”
     
    He said the Alliance wants to make sure it understands all the pros and cons in the case before weighing in with a position. Madsen spoke quite a bit more about what defines smart growth in the Bay Area.
     
    Generally, smart growth involves ensuring the next generation of growth is accommodated mostly in the inner Bay Area, near transit along BART lines, Caltrain lines, major bus corridors, he said. This requires focusing development efforts in marquee cities like Oakland, San Francisco, Redwood City and Santa Rosa. Cities that have seen disinvestment as a result of decades of sprawl.
     
    “We'd rather see reinvestment in those places versus continuing to push sprawl to the very outer edges of the Bay Area,” he said. “But in some cases that means that there are tough questions as to what is the proper priority for a site and I think that's one of the things that we are dealing with in the Redwood City case.”
    Posted by Maureen Nandini Mitra on 09/26/10
  • 9/20/10
  • ABAG of Numbers

    19 September

     

    Some figures from the Association of Bay Area Governments (ABAG) to chew on:

    • The Bay Area’s nine counties and 101 cities are home to 7.2 million people, making it the fifth most populous metropolitan region in the country
    • Over the next 25 years region’s population is expected to increase by 1.6 million, an average of 64,760 new residents per year (about half of this increase is due to the difference between births and deaths, or natural increase. The other half is due to in-migration)
    • 1.6 million new jobs will be added to the Bay Area’s existing economy by 2035
    • About 700, 000 new homes will be needed by the same time to house the rising population
    • The Bay Area is the most transit-rich region in California, yet only 6 percent of all trips people make are by public transit. Walking and biking account for only 10 percent of all trips. By 2030 congestion here is expected to increase by 103 percent
    • Commuting between the Bay Area and  the Central Valley is expected to grow by 90 percent during the same period (ie by 2030). In areas between San Mateo and Santa Cruz, the increase projected at 120 percent
    • 50 percent of the region’s carbon emissions comes from the transportation sector alone, 84 percent of which is from on road vehicles.

    Jason Munkres, ABAG regional planner last week, says the figures are their “best professional guess at what’s going on” and could change with time. “In the plannning profession figures change. They are constantly in flux. We have new information, we have new laws coming in all the time,” he says.


    Munkres says the Bay Area had the capacity to absorb the projected population increase. “It might not be easy and a lot of local jurisdictions don't agree with our forecasts. But we think it could be done with a lot of effort,” he said. Munkres didn’t think that a combination of building housing on existing infill as well as on open space was required to address the needs of a growing population, but that’s what is going to occur.

    Posted by Maureen Nandini Mitra on 09/20/10
  • 9/13/10
  • 'Both-and approach is really the right approach'

     

      On Friday (Sept. 10) we met up with architect and urban planner Peter Calthorpe at his Berkeley office. A founding member for the Congress for New Urbanism, an advocacy group that promotes green building practices, Calthorpe’s a big name in the field of modern urban planning.  His vision of smart growth involves high-density, walkable, energy and water efficient communities, connected to each other by mass transit.   Calthorpe is also the proposed Saltworks project architect.   He told us that at the most basic level, smart growth in the Bay Area meant that, “once and for all we need to start housing our own workforce instead of pushing them out into the Central Valley and beyond.”   The Bay Area has one of the largest jobs-housing imbalance in California. Right now over 200,000 people commute to the Bay Area every day. Calthorpe believes only a mix of redevelopment on infill and new development on open space will help address the regions’ growing housing needs. Adding housing in the south Bay is especially important since that’s where all the job growth is. That’s why a huge development like the Saltworks project makes a lot of sense, he says. Especially since the plan proposes leaving 56 percent of the land as public open space.   “I think this kind of both-end approach is really the right approach,” he says. He accuses environmental groups like Sierra Club and Save the Bay, who are against the Saltworks project, as having a single-point agendas that don't leave room for compromise between competing and equally valid agendas.   Spot.us community members, readers, Bay Area residents, we’d love to hear your thoughts on the subject. Do write in.   P.S: After consulting with our editors we extended our deadline as we figure we need more time to report this story out Posted by Maureen Nandini Mitra on 09/13/10
  • 9/9/10
  • Whose land/bay is it anyway?

    Yesterday we went back to Redwood City and met with officials from DMB Associates and heard their thoughts on smart growth and how the proposed development would be energy efficient, water efficient and would address the Bay Area’s growth needs in a smart way by reducing long commutes and hence, carbon emissions.

    They told us that not all salt ponds are made alike and the ponds at the Saltworks site were different because Cargill had been making salt for industrial use out here. They said the land looked like a “moonscape” and was not going to be easy to restore to marshland because the site was “very heavily engineered”

    After a visit to the spot we have to agree, that the land did look a lot like barren lunar terrain – with water, mind you. However, regarding restoration to wetlands – apparently similar salt ponds once owned by Cargill in Napa are actually in the process of being restored. The land is now owned by the California Fish and Game department. You can read about it and compare our photo here: http://bit.ly/9e4JuY

    They also said the land is 1 to 2 feet above sea level at most places. Though it's been previously reported that some of the land is actually below sea level (again, something we need to double check).

    Regarding the levee height question we asked in our blog yesterday, DMB plans to build the levees about 7.2 feet above sea level, which more than takes care of the 4.58 feet (55 inch) standard the state recommends, with “whatever material the state specifies.”

    Later in the afternoon we met with people at Save the Bay, an Oakland-based nonprofit which has been leading the charge against the Saltworks development proposal. David Lewis, Save the Bay executive director says there shouldn’t be any question of developing the site since the land is technically still a part of the San Francisco bay (it was leased to Cargill by the Army expressly for salt-making purposes, he says) and state and federal authorities have jurisdiction over it.  Need to confirm this with the Army Corps of Engineers. In April this year, the Army Corps reportedly sent a letter to DMB and Cargill saying that the Redwood City project was subject to the federal Clean Water Act. But Cargill denies any such jurisdiction.

     

     

     

    Posted by Maureen Nandini Mitra on 09/09/10
  • 9/8/10
  • Looking at the levees at Redwood Shores

    Today, among other places in Redwood City, we visited Redwood Shores ­ an affluent neighborhood with million-dollar homes, condos, offices and waterfront marina. 
    Here’s what the book Redwood City: A Homegrown History by the Archives Committee of Redwood City Public Library, has to say about the place: “The area now referred to as Redwood Shores is a 1,500 acre estate surrounded by Highway 101 on the west, San Francisco Bay on the east, Belmont Slough on the north and Steinberger Slough on the south. The site was originally part of an extensive marshland system that bordered the Bay along with what is now San Mateo County.”
    Yep, built over nearly three decades (early 1970s to late 1990s) on filled in sea level marshland, protected by levees. Pretty similar to what’s being planned on a larger scale at the Cargill Salworks site. In fact, the original plan for Redwood Shores was actually for a city of 100,000 (this would include building on the neighboring Blair Island) but it was downsized over the years.
    The neighborhood now comprises about 5,000 homes. Population: 15,000 (approx). Walk along the levees and you’ll notice that the homes are at least 6 feet lower. Perhaps two-three feet higher than the bay on the other side (I’m giving very rough estimates here. Hope to get more accurate figures from city officials soon). The bay isn't visible from road level.
    Apparently, it has cost Redwood City nearly $5.5 million in the past decade to raise and maintain the six miles of levees around Redwood Shores. Maintaining the levees up to Federal Emergency Management Agency standards is required so that homeowners don’t have to buy on flood insurance.
    However, in 2008, when FEMA issued new flood maps, it determined that Redwood Shores was at risk of flooding because the stretch of levee near the San Carlos Airport was not high enough to withstand a deluge from San Francisco Bay. The city is now fixing the problem and hopes its levees will be certified this year. If the levees don’t get FEMA certification it would mean Redwood Shores homeowners would have to pay hundreds of dollars a year for federal flood insurance. 
    Incidentally, the Saltworks site lies within a FEMA designated flood zone. According to the information I have at hand right now, the plan is to protect the proposed development by building higher levees. We didn’t get to visit the salt ponds today. Have a tour scheduled with DMB Associates for tomorrow morning.
    What we are curious about is just how high would the levees have to be to protect these shore-lands against a projected 16-inch rise (more recent estimates peg the figure at 29 inches) in sea level by 2050? 
    Posted by Maureen Nandini Mitra on 09/08/10
  • 9/7/10
  • Eco-factoids

    <!--StartFragment-->

    We are heading out to Redwood City tomorrow to get a lay of the land, talk to local residents and meet with the developer, DMB Associates, if possible. In the mean time, we’ve been reading up about the San Francisco bay. It’s fascinating stuff. Here’s a run down of some facts that might help us understand the region and the ecological context in which this development debate is playing out:

    • The San Francisco Bay is actually an estuary. That means, it’s a partly enclosed body of coastal water with one or more rivers and streams flowing into it.
    • The daily mixing of seawater and freshwater due to tidal action makes the waters here especially nutrient rich, which explains the amazing biodiversity in this largely urban region. 
    • The region has experienced massive growth since the discovery of gold in Sierra Nevada foothills in 1849. The resulting land use changes have led to loss of wetlands around the bay, alteration of freshwater inflows, water contamination and decline in fish and wildlife species. Many native species dependent on tidal wetlands are now endangered.
    • Wetlands are important, not just because of the wildlife they support but also because they act as buffers, protecting the land beyond it from flooding and storm surges by absorbing much of the excess water produced during rainstorms and high tides. Scientists say they are also an important first line of defense against rising sea levels (details on this later). There’s more. Wetlands act like nature’s lungs, they filter polluted runoff from the cities and towns behind them and let out clean water into the bay.
    • More than 91 percent of tidal wetlands have been dredged, diked, drained and filled in, in order to be used as farmland, salt ponds and residential or industrial property.
    • On the whole, the bay has shrunk by nearly 40 percent.
    Most of the San Francisco shoreline, parts of Redwood City, the San Francisco and Oakland airports, are all built on reclaimed land. The South Bay, which includes Redwood City, has lost over 80 percent of its wetlands in the past 150 years.   California state and federal agencies are currently working to restore about 16,500 acres of deactivated commercial salt ponds in the South Bay to mixed intertidal habitat. Interestingly, the salt ponds themselves have, over time, become an important habitat for wildlife in the bay, especially for large and diverse communities of migratory birds and some 70 species of waterfowl. In fact, 9,000 acres of the Don Edwards San Francisco Bay National Wildlife Refuge comprise active salt ponds still owned by Cargill.   Perhaps there’s a case to be made for keeping the Redwood City salt ponds as is?     Next: What about housing needs? Posted by Maureen Nandini Mitra on 09/07/10
 
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