this is weekend avenue --leeland avenue. better storm water runoff, and enhances the neighborhood is is the type of enhancements we will be doing, street by street, focusing on challenged areas. collection system replacement cycle. as we talk about the collection system, it was built, starting in 1970, over 70 miles of collection pipes. the replacement cycle we are recommending based on how long the system is expected to last is 110 years. within the system, 100 miles is a very high risk. that risk of failure. we are concerned we will have to replace this quickly. so we have analyzed several catch up periods and we have analyzed the annual cost to come up with an aunt -- often mom catch up -- optimum catch up period. the trick is, everything keeps getting older. if you take a longer amount of time, more of your system

this is weekend avenue --leeland avenue. better storm water runoff, and enhances the neighborhood is is the type of enhancements we will be doing, street by street, focusing on challenged areas. collection system replacement cycle. as we talk about the collection system, it was built, starting in 1970, over 70 miles of collection pipes. the replacement cycle we are recommending based on how long the system is expected to last is 110 years. within the system, 100 miles is a very high risk. at

leeland avenue is a $4 million project. but it's the first of many more city streets going green.san francisco, linda yee, cbs 5. >>> what can keep you more hydrated than water? it's not an ice cold drink. that's in two minutes. ,,,,,,,,,,,,,, area. water may be the first drink you reach for to quench your thirst. but charlie a shows us, ther >>> temperatures sizzling in parts of the bay area today, water might be the first drink you thought you might want to quench your thirst. but charlie d'agata shows us there is a hot drink that researchers now recommend instead. >>> reporter: so you're in the gym, feeling the burn. you're hot and dying of thirst. the first thing you would want to grab is a big bottle of water, right? >> just want something cold and refreshing i would think, yeah. >> reporter: but british researchers say you would be better off sipping a nice cuppa tea. doctors say they want to bag the common myth that tea is dehydrating. >> i think because tea contains caffeine, there is a thought that caffeine might cause the body to lose fluids but when you drink in moderat

leeland avenue's business district is one of a handful of streets getting some new concrete pavers. rainwater goes through them like a sponge and infiltrates the ground water. also, curb cut outs will send water into street planters which all act as natural filters before it all flows into the storm drains. >> it also keeps the water from going to the waste water treatment plant and into the bay which sends -- lessens the burden on the system as a whole. >> also designed street flooding. it's a $4 million project. it's the first of many more city streets going green. >>> reception problems, there's no app for that. from two lost prototypes to a debut that didn't go quite as planned, complaints over dropped calls. apple's iphone 4 faced a slew of reception problems. the solution that's essentially a plastic band aid. >> reporter: steve jobs opened his iphone 4 news conference with the youtube song and went onto blame the media for all the hoopla surrounding what's now been dubbed antenna. >> you would have thought at least half our customers must have called in to complain or ask que

is a workshop being held from 9:00 this morning until 1:30 p.m., at visitation valley greenway on leelandand both of these guys, hue mand and bill, are going to be there -- muhammad and bill, are going to be there. thanks for sharing your day with us. we appreciate it. >> thank you. >>> first, ahead, the hot zip codes for selling a bay area home. >>> someone is killing local trees. the evidence police says shows the killer knows exactly what he or she is doing. ta,,,,,,,, with high-speed internet from at&t, you can connect to the internet at blazing fast speeds. wow, look at that! so you can go online and check out the news, or you can just catch up with old friends -- hey buddy. you can download videos and -- wow, that was fast. you can do it all from the comfort of home. so, as you can see, it's a -- whoa. i'm gonna just go grab a sandwich. [ male announcer ] introducing our fastest internet with speeds up to twenty four megabits per second. switch to high speed internet from at&t and get one-hundred dollars back via promotion card. explosives. why the timing is ,,,,,,,, >>> a bay area