thank you for the opportunity to speak before you my name is brenden. i am an orientation and mobility specialist for the blind in san francisco. i would like to offer support for the proposed legislation. many of our clients and community members with vision impairment or blindness, to them come out sidewalk obstructions are a tremendous difficulty and to many of them are a hazard. -- to them, sidewalk obstructions are a tremendous the goatee, and too many of them -- tremendous difficulty, and too many of them are a hazard. it would be helped if the sidewalk -- it would not help if the sidewalk were somehow obstructed. for clients with vision impairment, their ability to perceive an obstruction in front of them is tremendously decrease. there are ways for them to reduce the hazard of contacting an obstacle, ought to be over an obstacle in the sidewalk. but no one is better than the assets of that obstacle. -- the absence of that obstacle. this is a very commonsensical piece of legislation and we would like to lend our support thank you for your time. -