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Engineering Design Manual

Engineering Design Manual (complete document)

Cover

Spine for 11/2" binder

Supporting Files Appendix A, Application and Plan Preparation

Utility Extension Request (UER) Form

Checklist for Construction Plans

Worksheet for Bond Estimate

Form for Materials Submittal

Request Form for Connection Permits

Appendix B, Wastewater Collection

Sizing Table

Sanitary Sewer Core Separation Angles

Appendix C, Easements

Guide to Easement Documents

Instruments

Deed of Easement (Water)

Deed of Easement (Sewer) 

Deed of Easement (Reclaim)

Deed of Easement (Water and Sewer)

Deed of Easement and Vacation (Sewer)

Deed Language, Loudoun County/Loudoun Water Joint Deeds (Signature Deeds)

Forms

"Loudoun Water Only" Easement Processing Request 

Signature Deed Processing Request and Checklist

Appendix F, Construction Details

General Details: 
G1 – LIST OF FIGURES
G2 – LIST OF FIGURES 
G3 – LIST OF FIGURES  
G5 – STANDARD NOTES
G6 – PIPE BEDDING AND ENCASEMENT
G7 – IMPERVIOUS TRENCH CHECK
G8 – CONCRETE THRUST BLOCK
G9 – LINE ANCHOR
G10 – LINE ANCHOR ON LARGE PIPE
G11 – RESTRAINT OF VERTICAL OFFSET
G12 – CASING INSTALLATION
G13 – PAVEMENT PATCH ON PRIVATE PROPERTY
G14 – HATCH SAFETY FEATURES
G15 VAULT LADDER
G16 – MARKER POSTS AND TRACER PEDESTALS
Cathodic Protection: 

CP1 – BONDING OF PIPE AND FITTING
CP2 – THERMITE WELD
CP3 – COATING OF MECHANICAL JOINTS
CP4 – ANODE PLACEMENT
CP5 SPLICE OF ANODE TO HEADER CABLE

CP6 – ANODE BED AND TEST STATION

CP7 – TEST STATION-OFFSET FROM PIPELINE
CP8 – TEST STATION AT STEEL CASING
CP9 – TEST STATION BY PEDESTAL
CP10 – TEST STATION BY BOX AT GRADE
CP11 – HOT SPOT PROTECTION-COATING AND ANODE
CP12 – HOT SPOT PROTECTION-ANODE PLACEMENT
Water: 

W1 VALVE BOX
W2 TEMPORARY BLOW-OFF
W4 AIR RELEASE
W10  FIRE HYDRANT ALONG STREET
W11  FIRE HYDRANT BEHIND DITCH
W12  DEAD END HYDRANT
W13  HYDRANT BOLLARDS
W20  FIRE LINE
W21  FIRE LINE THROUGH BUILDING WALL
W22  SAMPLING STATION
W23  SERVICE CONNECTION FOR 3/4" AND 1" METERS

W24  WATER SERVICE BY JACK AND BORE
W25  WATER METER IN SIDEWALK OR SLAB
W26  DUAL WATER METER SETTING
W27  SERVICE CONNECTION FOR 1 1/2" AND 2" OMNI R2 METERS
W28  2" AND 3" OMNI C2 OR OMNI T2 METER
W29  4" AND 6" OMNI C2 OR  T2 METER IN VAULT
W30  OMNI C2 OR T2 METER INDOORS
W31  3/4" OR 1" SUBTRACTION OR INDUSTRIAL PROCESS METER
W32  1 1/2" OR 2" OMNI R2 SUBTRACTION OR INDUSTRIAL PROCESS METER

Reclaimed Water: 

R1 – REUSE VALVE BOX
R2 REUSE AIR RELEASE
R3 – TERMINUS BY FLUSHING HYDRANT
R4 – TEMPORARY TERMINUS BY BLOW-OFF
R5 – REUSE FLUSHING HYDRANT
R6 REUSE SAMPLING STATION
R7 – STANDARD NOTES FOR RECLAIMED WATER
R10 – REUSE SERVICE FOR 3/4" AND 1" METERS
R11 – REUSE SERVICE FOR 1 1/2" AND 2" OMNI R2 METERS

R12 – 2" AND 3" OMNI C2 OR T2 REUSE METER
R13 – 4" AND 6" OMNI C2 OR T2 REUSE METER IN VAULT
R14 REUSE SERVICE ENTRANCE WITH INDOOR METERING
R15 – 3/4" OR 1" REUSE METERS INDOORS
R16 – 1 1/2" OR 2" OMNI R2 REUSE METER INDOORS
R17 – OMNI C2 OR OMNI T2 REUSE METER INDOORS
R18 WARNING SIGNS AT REUSE FIXTURES

Sewer Gravity: 
S1 MANHOLE
S2 SIDE VENT FOR MANHOLE
S3 TOP VENT FOR MANHOLE
S4 OUTSIDE DROP CONNECTION
S5 INSIDE DROP CONNECTION
S6 STRAPPING OF MANHOLE SECTIONS

S7 ADVANCE BLASTING
S10 – LATERAL
S11 – LATERAL WITH VERTICAL BENDS
S12 SANITARY CLEANOUT
S13 WATER METER SETTING-SEWER ONLY ACCOUNTS

Sanitary Force Main: 
FM1 – FORCE MAIN AIR RELEASE 

Low Pressure Collection:

 
LPC1 – GRINDER PUMP 
LPC2 – ELECTRICAL SUPPLY TO PUMP
LPC3 – LOW PRESSURE LATERAL
LPC4 – SERVICE BY TAP
LPC5 – FLUSHING CONNECTION
LPC6 – LOCATION OF VALVES FOR IN-LINE FLUSHING CONNECTION
LPC7 – TERMINAL FLUSHING CONNECTION
LPC8 – AIR RELEASE FOR LOW PRESSURE SEWER
Pretreatment: 
PT1 – GREASE INTERCEPTOR 

Appendix G, Materials

Approved Materials List