Hanover County Water & Sanitary Sewer Standards

Affirmed by the Board of Supervisors
February 25, 1998
Revised May 2004

The Standards (May 2004 version) are currently under review for their periodic update. Please forward any comments or suggestions regarding this update to manannery@co.hanover.va.us . Be sure to include in your comments the suggested correction necessary. Thank you.

Note: All topics listed below are Portable Document Files which can only be viewed with the Adobe Acrobat Reader program. If you require the free reader, see link at bottom of page.
 

Section   1     Design Standards and Procedures

Section   2     Construction Specifications

Section   3     Material Specifications

Section   4     Approved Materials And Manufacturers

Section   5     Developers Checklist For Utility Projects

Section   6     Engineers Checklist For Water And Sewer Plans

Section   7     Site Plan Requirements

Section   8     Utility Master Plan Checklist

Section   9     Dedicated Capital Assets List

Section 10     Construction Permit

Section 11     Construction Record

Section 12     Details

• BLK-1 – Blocking Detail Horizontal Bends
• BLK-2 – Blocking Detail Tees
• BLK-3 – Blocking Detail Plugs, Caps and Hydrants
• BLK-4 – Blocking Detail Lower Vertical Bends
• BLK-5 – Blocking Detail Upper Vertical Bends
• CAS-1 – Casing Pipe Requirements
• CAS-2 – Alternate Casing Detail - Sewer
• CAS-3 – Casing Detail Method for Gravity Sewer
• CAS-4 – Casing Detail for Water mains and Force Mains
• CAS-5 – Pipe Encasing Detail
• DES-1 – Hydraulic Analysis Form of Sanitary Sewer Design
• DES-2 – Standard Sewer and Water Notes
• FIR-1 – Typical Fire Hydrant Detail
• FIR-2 – Typical Fire Hydrant Detail
• FIR-3 – 2” or Smaller Double Detector Check Assembly and Vault
• FIR-4 – 3” or Larger Double Detector Check Assembly and Vault
• FIR-5 – Private Central Fire System Plan View
• FIR-6 – Private Central Fire System Fire Meter Assembly and Vault
• FIR-7 – Private Central Fire System Double Check Assembly and Vault
• MAN-1 – Manhole Sizing and Minimum Angle Table (Sheet 1) – (Sheet 2)
• MAN-2 – Standard Precast Concrete Manhole Sewers 8” to 24”
• MAN-3 – 60”, 72”, 84” and 96” I.D. Manhole - I
• MAN-4 – 60”, 72”, 84” and 96” I.D. Manhole - II
• MAN-5 – Standard Precast Concrete Manhole III 60”, 72”, 84” and 96” I.D
• MAN-6 – Detail Removed in 2004
• MAN-7 – 1’ - 4” Cone (Type 1)
• MAN-8 – Standard Eccentric Cone
• MAN-9 – Standard Invert Details
• MAN-10 – Standard Drop Connection
• MAN-11 – Standard Manhole Frame and Cover
• MAN-12 – Watertight Manhole Frame and Cover
• MAN-13 – Standard Valve Manhole (16” and Larger)
• MAN-14 – Typical Manhole Step
• MAN-15 – 1’ - 4” Flat Top Cone (Type 2)
• MAN-16 – Standard Drop Connection (Inside)
• MAN-17 – Monitoring Manhole
• MAN-18 – Vandal Proof Manhole Frame and Cover
• MET-1 – Typical Water Meter Connection for ¾” and 1” Services (5/8” and 1” Meters)
• MET-2 – Plastic Meter Box (5/8” and 1” Meters)
• MET-3 – Cast Iron Meter Box (Type 1) (For 1” Meters)
• MET-4 – Cast Iron Meter Box (Type 2) (5/8” Meters)
• MET-5 – 1” Knock Down Meter Box
• MET-6 – 1-1/2” or 2” Meter Setting
• MET-7 – 1-1/2” and 2” Knock Down Meter Box
• MET-8 – 3” Meter Setting
• MET-9 – 4” Meter Setting
• MET-10 – 3” and 4” Meter Vault (Sheet 1) – (Sheet 2)
• MET-11 – Water Service Installation Detail
• MET-12 – 2” Compound Meter Setting
• MET-13 – Shared Residential Service
• PAV-1 – Typical Section for Repair of “Primary” Roadway Shoulders or Other Unpaved Traveled Areas for Water and Sewer Line Crossings
• PAV-2 – Typical Section for Repair of Open Cut After Placement of Sewer in Surface Treated Road Where a Base (Except Concrete or Plant Mix) is Present
• PAV-3 – Typical Section for Repair of Open Cut After Placement of Sewer in Surface Treated Road (Applies to Parallel Installations and Service Crossings)
• PAV-4 – Typical Section for Repair of Open Cut After Placement of Sewer in Surface Treated Road Where a Plant Mix or Concrete Base is Present (Applies to Parallel and Service Crossings)
• PAV-5 – Typical Section for Repair of Open Cut After Placement of Sewer in Plant Mix Roads (Applies to Parallel Installations and Crossings) (Sheet 1) – (Sheet 2)
• PAV-6 – Typical Section for Repair of Open Cut After Placement of Water main (Applies to Crossings Only Not Parallel Installations)
• PAV-7 –Typical Section for Repair of Open Cut After Placement of Water main in Plant Mix Roads (Sheet 1) – (Sheet 2)
• SEW-1 – Bedding for DIP Sewer Pipe
• SEW-2 – Bedding and Backfill Detail for Plastic Sewer Pipe
• SEW-3 – Air Vent
• SEW-4 – House Connection Details
• SEW-5 – Sewer Anchorage in Slopes Greater Than 20 %
• SEW-6 – Force Main Discharge
• SEW-7 – Inserta Tee
• SEW-8 – Kor-N-Tee
• SEW-9 – Clay Dam Detail (Sheet 1) – (Sheet 2)
• SEW-10 – Vacuum Test (ASTM C 12444) for Concrete Sewer Manholes
• TST-1 – Allowable Infiltration/Exfiltration Based on 50 gal./in. dia./mile/24 hrs
• TST-2 – PVC Pipe Air Test Table
• TST-3 – Allowable Leakage Table - Water mains
• TST-4 – Test Station Box
• WAT-1 – 1” Air Release Valve
• WAT-2 – 2” Air Release Valve Assembly
• WAT-3 – Flushing Hydrant  
• WAT-4 – Typical 4” and Larger Blow-off
• WAT-5 – Small Valve Box
• WAT-6 – Lowering Water Main or New Installation
• WAT-7 – Discharge Flow Rates for Flushing
• WAT-8 – Neutralization Station
• WAT-9 – Allowable Deflections for Water Pipe
• WAT-10 – Typical Water Main Creek Crossings
• WAT-11 – Water Quality Monitoring Station
• WAT-12 – Water Main Termination Thrust Restraint
• WAT-13 – Automatic Flushing Station