Greater New Haven Water Pollution Control Authority
GNWPCA - Regional Sewer Authority
GNHWPCA - Regional Sewer Authority
Serving the Connecticut communities of New Haven, Hamden, East Haven and Woodbridge
Standard Details

For the entire set of standard details in a zipped file format, click on: AutoCAD or PDF format. Latest Update: January, 2010

Trench Excavation and Backfill Description Effective Date
SD205-01:  DWG  PDF Trench - Main Sept 16, 2008
SD205-02:  DWG  PDF Trench - Lateral Sept 16, 2008
SD205-03:  DWG  PDF FM and Main - Same Trench June, 2008
SD205-04:  DWG  PDF Trench Storm Drains and Culverts June, 2008

Pavement Description Effective Date
SD406-10:  DWG  PDF Overlay Trans Existing Pavement June, 2008
SD407-01:  DWG  PDF Temp Pavement Local Roads June, 2008
SD407-02:  DWG  PDF Temp Pavement Collectors June, 2008
SD407-03:  DWG  PDF Perm Pavement Local Roads June, 2008
SD407-04:  DWG  PDF Perm Pavement Collectors June, 2008

Sewers Description Effective Date
SD512-02:  DWG  PDF Anchors for Steep Pipes June, 2008
SD512-05:  DWG  PDF Brick Sewer Connections June, 2008
SD512-10:  DWG  PDF Std Sewer Lateral Connection January, 2010
SD512-11:  DWG  PDF Std Clean Out June, 2008
SD512-12:  DWG  PDF Clean Out in Paved Areas June, 2008
SD512-13:  DWG  PDF Precast Chimney - Sewers < 30" March, 2009
SD512-14:  DWG  PDF Precast Chimney - Sewers >= 30" March, 2009
SD512-20:  DWG  PDF Backwater Valve June, 2008
SD512-21:  DWG  PDF Sewer Connection from FM June, 2008
SD512-22:  DWG  PDF Concrete Cradle June, 2008
SD512-23:  DWG  PDF Concrete Encasement June, 2008
SD512-30:  DWG  PDF Plug Lateral - Excavation Method June, 2008
SD512-31:  DWG  PDF Plug Lateral - Trenchless Method June, 2008
SD512-32:  DWG  PDF Plug Pipe at Manhole June, 2008
SD521-01:  DWG  PDF Std Sewer Point Repair June, 2008
SD523-01:  DWG  PDF Precast Sewer Manhole January, 2010
SD523-02:  DWG  PDF Manhole Base Precast Insert December, 2008
SD523-03:  DWG  PDF Doghouse Manhole Base December, 2008
SD523-04:  DWG  PDF Typical Manhole Frame & Cover June, 2008
SD523-05:  DWG  PDF Manhole Grading Ring June, 2008
SD523-06:  DWG  PDF Manhole Steps January, 2010
SD523-07:  DWG  PDF Std Watertight Manhole Cover June, 2008
SD523-10:  DWG  PDF Drop Manhole 2-5 Ft Drop January, 2010
SD523-11:  DWG  PDF Drop Manhole > 5 Ft Drop January, 2010
SD523-12:  DWG  PDF Connection to Existing Manhole January, 2010
SD523-13:  DWG  PDF FM Connection to Existing Manhole December, 2008
SD523-20:  DWG  PDF Manhole Cover Raising March, 2009