Work be­gins to ad­dress ag­ing in­fras­truc­ture and stormwa­ter in­fil­tra­tion in Walker County

Walker County Messenger - - Sports -

Ad­vance­ments in sewer pipe tech­nol­ogy will be used to re­ha­bil­i­tate ag­ing in­fras­truc­ture in the Chat­tanooga Val­ley area of Walker County. The Walker County Wa­ter & Sew­er­age Author­ity (WCWSA) has con­tracted with In­situ­form, an Ae­gion Com­pany, to com­bat mil­lions of gal­lons of stormwa­ter in­fil­trat­ing its sys­tem.

The $297,000 project will re­new and ex­tend the life of 11,000 feet of sewer line, us­ing a cured in place pipe (CIPP) sys­tem. Crews will pull a resin-sat­u­rated, coated tube through dam­aged pipe and heat it to form a tight-fit­ting re­place­ment pipe. The process, which is sim­i­lar to turn­ing a sock in­side out, is de­signed to ex­tend the life span of the pipe by 50 years.

“This is amazing tech­nol­ogy and will only take a few days to com­plete each sec­tion, ver­sus digging up the roads, which would cost over $100 per foot and take months to com­plete. The new WCWSA Board that started in Jan­uary has some ma­jor hur­dles to over­come with the large amounts of stormwa­ter in­fil­tra­tion that has been ne­glected for years,” stated Shan­non Whit­field, WCWSA Board Chair­man. “103 mil­lion gal­lons of stormwa­ter flowed into our sewer sys­tem in April. We are mov­ing quickly and mak­ing a smart in­vest­ment us­ing this tech­nol­ogy to solve these in­fil­tra­tion prob­lems.”

This project will take just a mat­ter of weeks to com­plete and will sig­nif­i­cantly re­duce the in­con­ve­nience to home­own­ers caused by a tra­di­tional re­pair. Al­though crews may need to place large equip­ment in res­i­den­tial drive­ways, work will be done at the street level, so they won’t be forced to dig up yards.

Crews will be­gin work by clean­ing lines and then re­turn in a cou­ple of days to re­con­struct the sewer pipe us­ing the CIPP sys­tem. Bran­don Whit­ley, WCWSA In­terim Gen­eral Man­ager, will over­see the process, just days af­ter be­ing pro­moted to his new role.

Home­own­ers and mo­torists should be ad­vised that work will take place in the fol­low­ing ar­eas: Chat­tanooga Val­ley Road Rock Creek Road Grant Drive Bluffview Cir­cle All­good Road Ea­gle Shadow Japon­ica Street

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