Checklist for Construction Plans
                 PROJECT NAME:________________________________________________________   ID#___________________
                 Note:  This checklist is provided for the convenience of design firms, so that the most common errors and
                         omissions may be avoided.  Refer to Loudoun Water's Engineering Design Manual for complete discussion 
                         of design requirements and parameters.  PLEASE DO NOT INCLUDE THIS FORM WITH YOUR APPLI
                 DATES: 1st Sub._____________________  2nd Sub. _____________________ 3rd Sub.  ___________________
                 Cover Sheet and General                                           1st sub. 2nd sub.
                 Loudoun Water Project ID                                            Blank
                 Engineer's Seal, Signiture and Date
                 Accurate Sheet Index
                 Loudoun Water revision block, every applicable sheet
                 Standard Notes (G-5 within the Standard Details) fully legible
                 All and only applicable series from the Standard Details included in plan set
                 Standard Details provided are current
                 Design follows applicable basis of design, preliminary plat, and/or master plans
                 Facilities sized correctly
                 Adjoining work by other plans shown and up to date; plan names referenced
                 Existing conditions and utilities shown
                 Coordinate system and vertical datum identified
                 CAD files for use in Loudoun Water GIS                            Required    Not Required
                 Bond Estimate                                                     May Omit      Required
                 Plan View - General                                               1st sub. 2nd sub.
                 North arrow and minimum three grid tics per sheet
                 Adequate separation between water and sanitary sewer, and with other utilities
                 Pipes a minimum 15' from buildings
                 Service connection for each building (water and sewer)
                 Easements shown for utilities outside of public right of way
                 Easements unencumbered and accessable for traverse
                 Landscaping outside of Loudoun Water easements
                 Limits of pre-blast clearly specified, where appropriate
                 Access to utilities provided to adjoining properties
                 Profile - General                                                 1st sub. 2nd sub.
                 Utility crossings shown with accurate clearances specified
                 Profiles of existing utilities provided if impacted by proposed grading
           Engineering Design Manual, Appendix A
           Checklist for Construction Plans                                                   Page 1 of 6
           October 2016
          Water - Plan View                    1st sub. 2nd sub.
          Min. 300' radius for pipe 12" and smaller, bends required otherwise
          Min. 500' radius for pipe 16" and larger, bends required otherwise
          Bends shown at accurate angles ± 3°
          Separation from sewer, curb, drains, and structures
          Dead-end line less than 500' for 8"  and larger, 300' for 6" 
          Adequate hydrant coverage to all structures
          All permanent terminations by means of a hydrant
          Air release valves specified at significant high points of 16" and larger pipes
          Hydrants at appropriate spacing and at substantial high and low points
          Line anchor and blow-off valve provided where future extension needed
          Valve between service connection and blow-off valve in temporary terminus
          Valving at appropriate intervals and configurations
          Fire hydrant min. 50' from commercial/industrial building
          Fire hydrant is maximum 100' from siamese connection
          Fire service independent with anchored branch valve (6" min.) at main
          Meter crocks 5' from driveway apron and fire hydrants
          Load letter and meter sizing; coordinate plumbing concerns 
          Water - Profile                      1st sub. 2nd sub.
          Proper cover specified (based on diameter) and minimized as practical 
          All fittings, valves and hydrants called out and stationed
          Vertical curvature within limits of joint deflection (based on diameter)
          16" and larger pipes have air release valves at substantial high points
          Hydrants at substantial low points
          Controlled fill specified where pipe is above existing grade
      Engineering Design Manual, Appendix A
      Checklist for Construction Plans               Page 2 of 6
      October 2016
          Sewer - Plan View                    1st sub. 2nd sub.
          Manhole placement conforms to street design; manholes minimized
          Manholes provided where future extensions are anticipated
          Minimum 90° between incoming and outgoing pipes at manhole
          Within maximum length between manholes (based on diameter)
          Adequate angle to provide separation between pipe penetrations at manhole
          System extends beyond waterline improvements
          Pre-blast for future extension from manhole; show possible future bearings
          No doghouse manholes; must be cut in
          Sewer - Profile                      1st sub. 2nd sub.
          All invert information shown on maholes, including laterals entering manhole
          Invert elevation of existing sewer based on field survey
          Length, slope, and diameter of sewer shown, accurate, matching plan view
          Minimum slopes provided (based on diameter)
          Twice minimum slope on permanent terminal run
          Cover on pipe is within standards
          Adeqaute protection provided for stream crossings
          Drop across manholes: 0.2' desired; 0.1' minimum; pipe crowns match or better
          Maximum invert difference at manhole is 0.5'
          Ensure that future extensions can cross adjacent stream
          Top of manhole is 1' above grade if beyond right of way and developed lawns
          Water-tight cover specified if manhole is below 100-year storm elevation
          Vents provided where necessary.
          Specify heavy duty frame and cover where manhole is in future pavement
          Lining of manholes specified where appropriate
          Specify type of pipe for existing and proposed sewers
          Diameter of manholes specified if larger than 48"
          Sanitary Laterals                    1st sub. 2nd sub
          Laterals enter sewer at 90°
          Laterals end one foot beyond Common Shared Easement (CSE)
          Profile or table provided
          Minimum riser height three feet
          Invert information correct, including laterals entering manhole
          Stations and lengths match plan view
          Risers start out of right of way and end a minimum 5' from end of lateral
          Lowest floor elevation in each building listed
          Clean out added for laterals more than 100'
          Commercial/industrial - clean out 5' from building wall
          Pretreatment devices specified where applicable
      Engineering Design Manual, Appendix A
      Checklist for Construction Plans               Page 3 of 6
      October 2016
Checklist for Construction Plans
PROJECT NAME:________________________________________________________   ID#___________________
Note:  This checklist is provided for the convenience of design firms, so that the most common errors and
        omissions may be avoided.  Refer to Loudoun Water's Engineering Design Manual for complete discussion 
        of design requirements and parameters.  PLEASE DO NOT INCLUDE THIS FORM WITH YOUR APPLI
DATES: 1st Sub._____________________  2nd Sub. _____________________ 3rd Sub.  ___________________
                                     3rd sub.
                                Not Required
                                  Required
                                     3rd sub.
                                     3rd sub.
       Engineering Design Manual, Appendix A
       Checklist for Construction Plans                         Page 4 of 6
       October 2016