Re: Coyote Alert: 2/22 Meeting Info

From: Matt Chapman (mchapman@cupertino.synopsys.com-DeleteThis)
Date: Mon Feb 22 1999 - 13:14:48 PST

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Date: Mon, 22 Feb 1999 13:14:48 -0800
Message-Id: <199902222114.NAA13365@cupertino.synopsys.com-DeleteThis>
From: Matt Chapman <mchapman@cupertino.synopsys.com-DeleteThis>
To: wind_talk@opus.hpl.hp.com-DeleteThis
Subject: Re: Coyote Alert: 2/22 Meeting Info

Reminder: the ASD/Burlingame meetings are tonight @ 6 and 7pm.

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>Windsurfers -
>
>Please come to the public meeting before the City of Burlingame Planning
>Commission on February 22nd at 7:00 pm to show support for Coyote Point as a
>windsurfing resource. This is the last chance to speak up before the planning
>commision decides whether or not to allow or modify the plans for buildings
>which will stand as high as 123' above water to be located at 301 Airport
>Boulevard. For more info, please go to website: www.sfba.org.
>
>Please try and come an hour early to meet at 6:00 pm at ASD Windsurfing for a
>briefing and discussion of the issues. Scroll to the bottom of this e-mail for
>addresses. Thank you to the many of you who have already made great efforts on
>this matter.
>
>Below are some of the issues that have come up in discussions to date. Please
>consider speaking on some of these points or on other points you feel strongly
>about. Each speaker will have three minutes to speak.
>
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>COYOTE POINT AS A WINDSURFING RESOURCE
>
>Established Use - Coyote Point has been used by windsurfers as a primary
>launch for 18-20 years. Coyote currently attracts hundreds of windsurfers on
>peak days.
>
>Best All Around Launch - Coyote Park Point is the most user friendly
>windsurfing launch in the entire San Francisco Bay Area with a combination of
>adequate parking, a shallow safe launching area, bathroom facilities,
>protection from strong tidal currents, etc.
>
>Advanced Resource - Coyote Point allows access out to the central portion of
>the bay where world class bump & jump windsurfing conditions exist.
>
>Begginer Resource - Coyote Point is the only spot on the Peninsula appropriate
>for beginners to transition to open water sailing. It is protected from
>currents and has plenty of beach downwind. ASD teaches beginners on weekends
>in season. Long expanse of beach means beginners can come back to a beach area
>when pushed downwind. It also means they will want to launch further upwind
>where impact from development is most significant.
>
>Resource for the County Park - Coyote Point is used as many as 350 windsurfers
>per day during the season. The county park generates in excess of $1,000 per
>day on peak days from windsurfing users. Coyote is centrally located for
>windsurfers and has a high capacity unlike many of the San Mateo County
>launches that become overcrowded.
>
>Reknown among Windsurfers - Many windsurfers who visit from other States or
>abroad come to Coyote Point to sail. Coyote Point Park hosted the 1997 San
>Francisco Bay Pro Am Race which allowed local top sailors to compete with
>internationally recognized professional sailors.
>
>Other Peninsula launches are inadequate - Other windsurfing launches along
>the Peninsula are inadequate. The Third Avenue launch suffers from inadequate
>parking and limited rigging area. Launches at Candlestick and Oyster Point
>have offshore wind conditions that are dangerous or difficult for less
>experienced sailors.
>
>DEFINITION OF SIGNIFICANT IMPACT
>
>The standard proposed for significant impact to windsurfing is as follows:
>A reduction of 10% or more in wind speeds at irreplaceable launching and
>landing sites, or a reduction in wind speed of 10% or more over large portions
>of transit routes or primary board sailing areas would be a significant
>adverse impact.
>
>Wind Quality - The proposed definition does not account for gustiness or
>turbulence. Many windsurfers report that gusts and turbulence are a much
>greater problem than loss of overall wind speed when sailing behind large
>structures such as the Marriott Hotel in Aruba. Gustiness or turbulence can
>make windsurfing more difficult or impossible and create situations where
>injury is more likely. The sail used in windsurfing is an airfoil that
>requires clean air flows to work properly. Windsurfers need quality wind with
>even wind speeds and a constant direction, not just a quantity of wind
>measured as an average speed over an extended period.
>
>Force vs. Velocity - The definition of significant impact is based on
>reduction in wind velocity. The 10% criterion was selected because it was
>deemed the minimum change in wind speed that a person may be able to detect
>without a wind-measuring instrument. The aerodynamic force one feels through
>their sail and boom is proportional to the square of the velocity. A 10%
>reduction in wind velocity is a 19% reduction in the force that acts on the
>sail. The sail is in effect a delicate tool for detecting changes in wind
>speeds and directions.
>
>"Holes" - The ESA report points out that wind speed will actually be increased
>in some areas. This is not an advantage to windsurfing if the areas of
>increase are closely interspersed with areas of decreased wind speed.
>Windsurfers will have great difficulty transitioning between conditions that
>range up and down. The lowest wind velocity encountered between the beach and
>the sailing area is the critical factor that affects more advanced sailors and
>determines if they can sail out to the channel area on appropriate gear.
>
>Differential Winds Speeds - The proposed definition does not account for
>increase in the differential between the wind speeds at the launch and the
>wind speeds in the channel. Higher differential will result in sailors on too
>large gear in the channel (injuries/breakage) or too small gear near shore
>(swimming home).
>
>Existing Wind Shadow - Windsurfers already report a wind shadow problem. The
>wind reduction from the project will compound an existing problem and make it
>a major or severe problem. On a westerly wind, a shadow cast by the drive-in
>movie screen can be felt well downwind in the primary sailing area even though
>the wind-tunnel study does not show what it would classify as a wind shadow
>(relative wind speeds depressed by at least 10%) reaching the Coyote Point
>Park parking lot.
>
>Definition of "Irreplacable" - The entire sailable area between the ASD launch
>at the corner and the main Coyote Point Park sailing area is irreplaceable.
>Almost all other windsurfing spots on the San Mateo County bayshore are
>overcrowded or also face development pressures. The whole northward-facing
>frontage at Coyote Point is a critical resource because launch areas near ASD
>are good for beginners and allow for overflow access on good sailing days in
>season.
>
>Definition of "primary board sailing areas" - The area near ASD which will get
>reduced winds, highly variable winds, and or turbulent winds is a primary
>board sailing area. ASD has taught lessons there for years. Windsurfers from
>all over the world come to Coyote Point to sail and rent gear at ASD and then
>launch from the ASD corner.
>
>TEST METHODOLOGY
>
>Failure to Evaluate Gusts/Dirty Air - The report prepared on the basis of
>wind-tunnel test data examines changes in wind velocity but does not look at
>changes in gustiness or at the effect of severe turbulence and vortexes
>created when air moves past the proposed structures.
>
>Lack of Validation - The wind-tunnel report has not been validated with any
>real world anemometer readings which might confirm that the methodology
>correctly predicts changes to the wind. The report does not indicate any
>possible range of error even though there are multiple areas where errors
>could occur, having a compounding effect on results.
>
>REAL WORLD CASES
>
>There are numerous cases where buildings have been constructed between prime
>windsurfing areas and prevailing winds. The experience in these cases seems to
>more significant effects than those predicted by the wind-tunnel study. Many
>who sail these areas reports severely turbulent air at distances well downwind
>of the obstructing buildings.
>
>Aruba - The construction of the eight-story Marriott Hotel in Aruba resulted
>in a wind shadow that is reknown among windsurfers all over the world. The
>majority of windsurfers now sail in a smaller portion of the bay in Aruba to
>avoid the wind shadow.
>
>Foster City - The Foster City Lagoon is currently used as a beginner
>windsurfing spot. In the past it was used by advanced longboarders and
>produced good planing winds. Development upwind has had a major impact on the
>windsurfing and many sailors who enjoyed sailing at that location no longer
>sail there.
>
>Marina Del Rey D Basin - Windsurfers in Southern California report that
>buildings located 300 yards from the sailing area in D Basin have severely
>impacted windsurfing there.
>
>BAY CONSERVATION & DEVELOPMENT COMMISSION
>
>The Bay Conservation & Development Commission (BCDC) adopted general public
>guidelines for the development area in January of 1982. The guidelines specify
>that buildings and improvements should be designed to encourage use of the
>adjacent public-access areas by the public. Any structures which impact
>windsurfing at all will in fact discourage the use of the adjacent public-
>access areas by the public.
>
>BURLINGAME
>
>The City of Burlingame has design guidelines that call for a 65' maximum
>building height and 20-25% lot coverage where building heights exceed 50'. The
>proposed project has lot coverage of 49% and has building heights listed at up
>to 105' in the project summary. The tallest building actually will stand 123'
>above mean sea level based on elevations provided in the draft EIR.
>
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>
>Planning Commission meeting on February 22nd @ 7 pm
>
>Burlingame City Council Chambers
>501 Primrose Road
>Burlingame, CA 94010
>
>ASD meeting before the Planning Commission meeting on February 22nd @ 6 pm
>
>ASD/Advanced Surf Design
>302 Lang Road
>Burlingame, CA 94010
>
>
>Sent your comments to the City Planner:
>
>City of Burlingame Planning Department
>Attention: Meg Monroe, City Planner
>501 Primrose Road
>Burlingame, CA 94010
>
>Comments must be received by March 8, 1999 at 5:00 p.m. Please send your
>comments earlier as so that the City Planner will have more time to read them
>and incorporate them into the final EIR.
>
> - - - - - - - - - - - - - - - - - - - - - - - - -
>
>Peter Thorner
>(415) 454-3522
>(510) 547-4422
>eyes4hire@aol.com-DeleteThis
>
>Greg Harris
>(650) 694-8173
>harris4life@yahoo.com-DeleteThis

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