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August 2017
7-17
City of Morgan Hill
Sewer System Master Plan
x
INI-P3
: This improvement consists of a point repair for the 6-inch gravity main located
along Laurel Wood Lane from 120 feet south of Almond Orchard Drive to 135 feet south of
Almond Orchard Drive.
x
INI-P4
: This improvement consists in 50 feet of trenchless rehabilitation for the 15-inch
gravity main aligned 250 feet north of Berkshire Avenue from 60 feet east of Hale Avenue
to 115 east of Hale Avenue.
x
INI-P5
: This improvement consists in 250 feet of trenchless rehabilitation for the 6-inch
gravity main aligned 110 feet south of Wright Avenue from 180 feet west of Crest Avenue
to 50 feet east of Crest Avenue.
x
INI-P6
: This improvement consists in 100 feet of trenchless rehabilitation for the 6-inch
gravity main located along Shady Lane Drive from Trail Ridge Lane to Calico Ridge.
x
INI-P7
: This improvement consists in 200 feet of trenchless rehabilitation for the 6-inch
gravity main located along Trail Ridge Lane from 150 feet west of Shady Lane Drive to 70
feet east of Shady Lane Drive.
x
INI-P8
: This improvement consists in 200 feet of trenchless rehabilitation for the 6-inch
gravity main aligned 50 feet north of Copper Hill Place from 40 feet west of Copper Hill
Drive to 60 feet west of Holiday Drive.
x
INI-P9
: This improvement consists in 250 feet of trenchless rehabilitation for the 6-inch
gravity main located along Quail Lane from 150 feet east of Quail Court to 110 feet west of
Quail Court.
x
INI-P10
: This improvement consists 150 feet of trenchless rehabilitation for the 6-inch
gravity main aligned 175 feet south of Oakridge Court from 180 feet north of Oakridge
Lane to Oakridge Lane.
7.7 MORGAN HILL/GILROY INTERCEPTOR CONDITION
ASSESSMENT AND MAINTENANCE PROJECT
As discussed in a previous section, the city of Morgan Hill and city of Gilroy maintain a Joint
Powers Agreement for the shared capacity of a sewer interceptor that begins south of Morgan Hill
and terminates at the South County Regional Wastewater Authority Wastewater Treatment Plant
in the city of Gilroy. While there have been several capacity studies for this sewer interceptor, the
physical condition of the pipeline is unknown, and there have been no recorded preventative
maintenance tasks completed. As this sewer interceptor is critical to the city of Morgan Hill and
city of Gilroy, it is recommended that further investigation of the physical condition of the trunk be
completed, and necessary preventative maintenance measures be taken to extend its useful life.