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Standard Specifications and Details
COH Standard Water Details
SHEETS | |
| WD-01-General-Notes-for-Water-Details-052223 | |
| WD-02-Trench-Construction-Outside-Pavement-011219 | |
| WD-03-Trench-Construction-Under-Pavement-061019 | |
| WD-04-1 of 2-Ductile-Iron-Pipe-Restraint-052223 | |
| WD-04-2 of 2-Ductile-Iron-Pipe-Restraint-052223 | |
| WD-05-Valve-Installation-Detail-101121 | |
| WD-06-Standard-Tapping-Sleeve-and-Valve-Assembly-011219 | |
| WD-07-Standard-Air-Release-Valve-Installation-032321 | |
| WD-08-Minimum-Service-Line-Installation-1-Inch-021021 | |
| WD-09-Two-Inch-Service-Lateral-Installation-011219 | |
| WD-10-Two-Inch-Meter-Box-and-Installation-062019 | |
| WD-11-DETAIL REMOVED | |
| WD-12-Fire-Hydrant-Standard-Installation-042419 | |
| WD-13-Fire-Hydrant-Ditch-Installation-011219 | |
| WD-14-Fire-Hydrant-Slope-Installation-011219 | |
| WD-15-Commercial-Water-Service-With-Fire-Line-052023 | |
| WD-16-Carrier Pipe and Encasement-011219 | |
| WD-17-Open-Cut-Below-Creek-Bottom-011219 (UNDER REVIEW) | |
| WD-18-Three-Thru-Eight-Inch-Meter-and-Vault-092322 | |
| WD-19 Manhole Over Water Line-080820 | |
| WD-20 New Water Line Pre-test Backflow Prevention Assembly-02082 | |
| WD-21 Anti-Seep Collar-020723 |
COH Standard Sanitary Sewer Details
SHEETS | |
| SSD-01-Trench-Construction-Outside-Pavement-101923 | |
| SSD-02-Trench-Construction-Under-Pavement-101923 | |
| SSD-03-Concrete-Pipe-Encasement-101923 | |
| SSD-04-Standard-Service-Connection-Lateral-and-Cleanout-101923 | |
| SSD-05-Service-Connection-at-Manhole-101923 | |
| SSD-06-Precast-Manhole-04112025 | |
| SSD-07-Precast-Manhole-Five-Foot-Dia-092324 | |
| SSD-08-Shallow-Precast-Manhole-092324 | |
| SSD-09-Drop-Manhole-092324 | |
| SSD-10-Vented-Manhole-101923 | |
| SSD-11-Standard-Manhole-Frame-and-Cover-012624 | |
| SSD-12-Watertight-Locking-Manhole-Frame-and-Cover-012624 | |
| SSD-13-Manhole-Abandonment-101923 | |
| SSD-14-Pipe-Boring-and-Encasement-101923 | |
| SSD-15-Manhole-Casting-in-New-Pavement-Road-Grades-Less-Than-One-Per-Foot-101923 | |
| SSD-16-Manhole-Casting-in-New-Pavement-Road-Grades-Greater-Than-One-Inch-Per-Foot-101923 | |
| SSD-17-Asphalt-Concrete-Replacement-101923 | |
| SSD-18-Asphalt-Concrete-Driveway-and-Walkway-repair-101923 | |
SSD-19-Asphalt-Replacement-Full-Width-Overlay-101923 | |
| SSD-20-Asphalt-Concrete-Full-Width-Overlay-101923 | |
| SSD-21-Small-Creek-Crossing-011219 (UNDER REVIEW) | |
| SSD-22-Large-Creek-Crossing-011219 (UNDER REVIEW) | |
| SSD-23-1-Aerial-Sewer-Crossing-011219 (UNDER REVIEW) | |
| SSD-23-2-Aerial-Sewer-Crossing-011219 (UNDER REVIEW) | |
| SSD-24-Pipe-Abandonment-101923 |