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Quick Sewer Repairs Happening Throughout Summer and Fall 2018

Sewer pipes are subject to wear and tear over time, which can result in cracks, allowing tree roots to enter the sewer main, which can clog. DSRSD works to keep wastewater pipes in good functioning order. By sending a closed-circuit video camera through pipes, crews inspect and record the condition of sewer mains. The sewer mains scheduled for spot repairs vary from 6 inches to 12 inches in diameter and are located within streets or easements. The District is responsible for maintaining the sewer mains; homeowners are responsible for maintaining sewer laterals running from their house to the sewer main.

How You May Be Affected

This summer and fall, DSRSD has contracted with National Plant Services Inc. to repair damaged sections of sewer lines using cured-in-place point repair technology.

Residents can expect to see a crew at 48 different locations in Dublin and San Ramon, accessing the sewer mains via existing manholes for the repairs. Homes and businesses will be able to use wastewater service as normal, though the work sites may require flaggers to manage traffic control. Repairs are expected to take about four hours per location. The contractor will perform work in commercial areas at night to minimize traffic and business disruption.

Track Our Progress

From Aug. 20 through Aug. 30, crews will be working at night on cured-in-place point repairs in Dublin. Locations for nighttime repairs are: Amador Valley Boulevard from Donohue Drive to Amador Plaza Road, Amador Plaza Road between Amador Valley Boulevard and Dublin Boulevard, Dublin Boulevard just west of Amador Plaza Road heading north into the old Coco's restaurant parking lot, St. Patrick Way from Amador Plaza Road to Golden Gate Drive, intersection of Golden Gate Drive and St. Patrick Way, Regional Street from Earl Anthony's Dublin Bowl to the end of the cul-de-sac, Dougherty Road between Sierra Lane and Dublin Boulevard, Iron Horse Parkway by the BART station bus stop, and the intersection of Silvergate Drive and Betlen Drive.

Map showing locations for cured-in-place point repairs from Aug. 20-30.Map showing locations for cured-in-place point repairs from Aug. 20-30.

How Cured-in-Place Works

 A worker lowers in the glass fiber composite into a manhole to perform a cured-in-place point repair.
A worker lowers in the glass fiber composite into a manhole to perform a cured-in-place point repair.

By taking advantage of cured-in-place point repair technology, the contractor can patch and reinforce sections of sewer pipes without any need for digging. The patch material for the liner acts like a fabric (a glass fiber composite laminate with resin) that can repair damaged areas such as cracks and missing pieces of broken pipe. The liner is pulled into sewer pipes through existing manholes and is inflated and cured, or hardened, against the existing sewer line using ultraviolet light. The laminate can also stop root intrusion and leaking joints while adding structural strength to the pipeline. Most of the sewer mains under repair are made of clay and were built between 1960 and 1986. Using the cured-in-place point repair technology allows the District to accomplish the task in a shorter timeframe without the need for trenching or excavation.


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