Standard Specifications
COH Standard Water Specifications (currently unavailable)
COH Design Standards for Water, Sewer, and Pump Stations
Termination of Allowance for Substitution of Standard Water Pipe Material - Effective 6/30/2023
COH Water Approved Materials List
Standard Details
SHEETS | |
| COH-WD No-1 WATER DETAIL GENERAL NOTES | |
| COH-WD No-2 TRENCH CONSTRUCTION | |
| COH-WD No-3 DUCTILE IRON PIPE RESTRAINT | |
| COH-WD No-4 VALVE INSTALLATION | |
| COH-WD No-5 TAPPING SLEEVE AND VALVE ASSEMBLY | |
| COH-WD No-6 AIR RELEASE VALVE INSTALLATION | |
| COH-WD No-7 SERVICE LATERAL INSTALLATION | |
| COH-WD No-8 2-IN METER BOX INSTALLATION | |
| COH-WD No-9 3-INCH THROUGH 8-INCH METER & VAULT | |
| COH-WD No-10 COMMERCIAL WATER SERVICE WITH FIRE LINE | |
| COH-WD No-11 FIRE HYDRANT STANDARD INSTALLATION | |
| COH-WD No-12 FIRE HYDRANT DITCH INSTALLATION | |
| COH-WD No-13 FIRE HYDRANT SLOPE INSTALLATION | |
| COH-WD No-14 CARRIER PIPE IN STEEL ENCASEMENT | |
| COH-WD No-15 PRE-TEST BACKFLOW PREVENTION ASSEMBLY | |
| COH-WD No-16 ANTI-SEEP COLLAR |
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 |