Browsing Archive: February, 2010

CCTV pre-installation test

Posted by Steve Fitzsimons on Thursday, February 4, 2010, In : For ITS Designers 

Question:  How does a CCTV surveillance camera get tested before installation? 

Answer:  Republic ITS is an electrical contractor that installs closed circuit television (CCTV) cameras, either through maintenance or installation contracts.  We perform a simple bench test before installing cameras.  The photos below show a recent test of Cohu cameras, using a simple wood support, a...


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IISNS Mounting bracket details

Posted by Steve Fitzsimons on Wednesday, February 3, 2010, In : For Traffic Signal Designers 

Question:  How does an IISNS mounting work? 

Answer:  Internally Illuminated Street Name Signs are typically mounted under a traffic signal mast arm.  Older style signs are typically light be fluorescent tubes and new style signs are LED.  The mountings connect the sign housing to the mast arm, and are hinged so the sign can swing in the wind and reduce what would otherwise be a large wind load.  The photo shows a close up of an IISNS from Alameda County.

There is a base that connects...


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About Us


Steve Fitzsimons If you would like to ask a question about driving rules, traffic signals or street lights, send your questions to: SFitzsimons@W-Trans.com or call 650-314-8313. Steve Fitzsimons is a professional Civil Engineer and Traffic Engineer in California. He is a principal at W-Trans. Find out more about W-Trans at www.w-trans.com **** If you need a traffic signal design or review, W-Trans is available for hire. If you are an electrical contractor, W-Trans is available for hire to prepare timing plans or traffic control plans.

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