Cured-in-Place Underground Pipes Rehabilitate Village's 100-Year-Old Sewer System
By Carol P. Bartold, Senior Reporter
Nov. 15, 2017: Village Administrator Jim Palmer reports that a multi-year project to survey and repair sanitary sewer lines in the village has resulted in 15 sewer main repairs to date and the upgrading of approximately 13,500 linear feet of primary sewer mains.
Green Mountain Pipeline Services, a company from Vermont, has inserted new cured-in-place pipes in the primary sewer mains. A method of rehabilitating existing pipes, curing in place alleviates the need for digging trenches to repair pipes. The method essentially creates a pipe inside existing pipes by fabricating a new jointless and seamless lining.
A resin-saturated felt tube, often made of polyester or fiberglass cloth, is pulled into the existing pipeline and cured in place using steam, ultraviolet light, or hot water. The cured-in-place pipes are designed to have a 50-year lifespan.
The pipeline rehabilitation project began in 2015 when the board of trustees authorized the inspection of sewer lines using a video camera inserted into the pipes. That process not only identified the aging pipes most in need of repair but also helped determine the extent of the repairs needed. Most of the deterioration was found in the form of cracks in clay pipes that run the length of Pondfield Road. The video inspection also revealed structural stresses such as the invasion of tree roots and build-up of sediments in the pipes.
In addition to the decay resulting from age and normal use, several human-created conditions were found to have contributed to pipe damage. Items foreign to the system, such as a bowling ball, utensils from local restaurants, and dog waste bags, were discovered during the video inspection process. Not only do such items damage sewer pipes, as Mayor Mary Marvin has explained, but dog waste bags introduce toxic and long-lasting bacteria into the village water system.
Within the one-mile-square Village of Bronxville, approximately 18.5 miles, or 97,000 linear feet, of sanitary sewer lines lie underground, part of a sewer collection system that is over one hundred years old and a vital element of the village’s infrastructure.
Sewer upgrades for the downtown business district and other commercial areas are in the design phase, according to Palmer. Construction in those areas is scheduled for 2018.
Pictured here: Top two photos: The cured-in-place felt liner is being inserted down through the sewer manhole and into the sewer line, which runs underneath The Bronxville School and out to Pondfield. This is one section of a $1.4 million sewer lining contract awarded to Green Mountain Pipeline Services of South Royalton, VT, by the Village of Bronxville. Green Mountain specializes in this work and has performed similar lining projects throughout the county
Top two photos and photo caption courtesy Jim Palmer, village administrator, Village of Bronxville; second two photos by A. Warner.
Government & History Directory
Bronxville is a quaint village (one square mile) located just 16 miles north of midtown Manhattan (roughly 30 minutes on the train) and has a population of approximately 6,500. It is known as a premier community with an excellent public school (K-12) and easy access to Manhattan. Bronxville offers many amenities including an attractive business district, a hospital (Lawrence Hospital), public paddle and tennis courts, fine dining at local restaurants, two private country clubs and a community library.
While the earliest settlers of Bronxville date back to the first half of the 18th century, the history of the modern suburb of Bronxville began in 1890 when William Van Duzer Lawrence purchased a farm and commissioned the architect, William A. Bates, to design a planned community of houses for well-known artists and professionals that became a thriving art colony. This community, now called Lawrence Park, is listed on the National register of Historic Places and many of the homes still have artists’ studios. A neighborhood association within Lawrence Park called “The Hilltop Association” keeps this heritage alive with art shows and other events for neighbors.
Bronxville offers many charming neighborhoods as well as a variety of living options for residents including single family homes, town houses, cooperatives and condominiums. One of the chief benefits of living in “the village” is that your children can attend the Bronxville School.
The Bronxville postal zone (10708, known as “Bronxville PO”) includes the village of Bronxville as well as the Chester Heights section of Eastchester, parts of Tuckahoe and the Lawrence Park West, Cedar Knolls, Armour Villa and Longvale sections of Yonkers. Many of these areas have their own distinct character. For instance, the Armour Villa section has many historic homes and even has its own newsletter called “The Villa Voice” which reports on neighborhood news.
Link to Village of Bronxville One Square Mile Monthly Newsletter
Village of Bronxville Administrative Offices
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Bronxville Fire Deparment
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