Lateral CreativityLateral Creativity

Patrick McNelly, Principal Staff AnalystOrange County Sanitation District (OCSD)Fountain Valley, CASCAP “Collection Systems in Motion” Workshop

Patrick McNelly, Principal Staff AnalystOrange County Sanitation District (OCSD)Fountain Valley, CASCAP “Collection Systems in Motion” Workshop

What arePrivate Sewer

Laterals?

What arePrivate Sewer

Laterals?

Different Definitions?Different Definitions?

uMain Sewer

uSide Sewer

uBuilding Sewer

u Lateral Sewer

uHouse Sewer

uMain Sewer

uSide Sewer

uBuilding Sewer

u Lateral Sewer

uHouse Sewer

What Do You Call it?What Do You Call it?

uUpper Lateralu Lower LateraluRight-of-way

LateraluEncroachment

Lateral

uUpper Lateralu Lower LateraluRight-of-way

LateraluEncroachment

Lateral

uEasementLateral

uShared Lateral

uSide Sewer

uBuilding Sewer

uEasementLateral

uShared Lateral

uSide Sewer

uBuilding Sewer

Sewer System OverviewSewer System Overview

RegionalTrunkline

Sewer

RegionalTrunkline

Sewer

Cleanout

CleanoutTrapGrease

Trap

Downspout

RESIDENCERESIDENCE

BUSINESSBUSINESS

Manhole

Manhole

Local MainSewer LineLocal MainSewer Line

PrivateServiceLaterals

PrivateServiceLaterals

WastewaterTreatment

Plant

WastewaterTreatment

Plant

Typical Private LateralTypical Private Lateral

HOUSE,APARTMENTOR COMMERCIALBUILDING

DRAIN FROM BATHTUB,SHOWER, SINK, ETC.(MAY BE SEVERAL EXISTINGUNDER BUILDING)

PRIVATE SIDE

BULDINGCLEANOUT

SIDEWALK

SANITARY SEWER LATERAL

CURB

STACK

SERVICE TEE-WYE

PROPERTYLINECLEANOUT

PRIVATE SANITARYSEWER LATERAL

MAINLINESANITARYSEWER

PROPERTYLINERIGHT OF WAY

OR EASEMENT(PUBLIC SIDE)

Sewer Lateral ProblemsSewer Lateral Problems

HOUSE,APARTMENTOR COMMERCIALBUILDING

DRAIN FROM BATHTUB,SHOWER, SINK, ETC.(MAY BE SEVERAL EXISTINGUNDER BUILDING)

PRIVATE SIDE

SIDEWALK

SANITARY SEWER LATERAL

CURB

STACK

SERVICE TEE-WYE

PROPERTYLINECLEANOUT

PRIVATE SANITARYSEWER LATERAL

MAINLINESANITARYSEWER

PROPERTYLINERIGHT OF WAY

OR EASEMENT(PUBLIC SIDE)

BUILDINGCLEANOUT

ROOF DRAINCONNECTION

MISSINGCLEANOUTCAP

ROOTPENETRATION

SEPARATEDJOINTS

BREAKS, CRACKS,HOLES

BROKEN OR DEFECTIVECLEANOUT

BREAKS, CRACKS,HOLES

Typical Lateral ConnectionTypical Lateral Connection

Typical Causes ofI/I Problems

Typical Causes ofI/I Problems

I/I IssuesI/I IssuesuHow do I

inspect?uQuantifying

problems?uHow to

communicate?uCapacity

issues?

uHow do Iinspect?

uQuantifyingproblems?

uHow tocommunicate?

uCapacityissues?

u Effect on peak flows

u Dirt pipes

u Fix the problem, notthe blame

u No programs

u No record keeping

u Effect on peak flows

u Dirt pipes

u Fix the problem, notthe blame

u No programs

u No record keeping

Maintenance IssuesMaintenance Issuesu No plumbing

access -Where’s mycleanout?

u Reactivemaintenance only

u Roots, Roots,Roots

u Broken joints

u No plumbingaccess -Where’s mycleanout?

u Reactivemaintenance only

u Roots, Roots,Roots

u Broken joints

u The drain is not adump

u Orangeburg pipe

u Broken connections

u No accountability

u No record keeping

u The drain is not adump

u Orangeburg pipe

u Broken connections

u No accountability

u No record keeping

Construction StandardsConstruction Standardsu Bedding – Failure at installation?

u Cleanouts?

u Acceptable pipe materials?

u Acceptable rehab methods?

u Sliplining not approved?

u Testing and inspection?

u New/Repairs/Rehabs/Replacement?

u Bedding – Failure at installation?

u Cleanouts?

u Acceptable pipe materials?

u Acceptable rehab methods?

u Sliplining not approved?

u Testing and inspection?

u New/Repairs/Rehabs/Replacement?

Ownership – Collection System?Ownership – Collection System?

uUpper/lower and connection to mainu Lower and connection to mainuConnection to main onlyuWe don’t own any part of the lateral

uUpper/lower and connection to mainu Lower and connection to mainuConnection to main onlyuWe don’t own any part of the lateral

Ownership – Property Owner?Ownership – Property Owner?

uUpper lateral onlyuUpper and lower lateral, and

connection to main

uUpper lateral onlyuUpper and lower lateral, and

connection to main

Ownership – Undetermined?Ownership – Undetermined?

u Laterals in right-of-way, easement, orencroachment (It’s not my lateral!)

uPrivately owned satellite systemsuMobile home parksuSenior citizen communitiesuOther

u Laterals in right-of-way, easement, orencroachment (It’s not my lateral!)

uPrivately owned satellite systemsuMobile home parksuSenior citizen communitiesuOther

Discussion TopicsDiscussion Topicsu Private ownership of laterals from the

building to the sewer main

u Residents unaware of policies or problems

u City record keeping is incomplete,unavailable (where’s my lateral)?

u Many laterals reaching end of design life

u Most sewer fees only cover local sewersystem O&M, not private lateral repairs

u Private ownership of laterals from thebuilding to the sewer main

u Residents unaware of policies or problems

u City record keeping is incomplete,unavailable (where’s my lateral)?

u Many laterals reaching end of design life

u Most sewer fees only cover local sewersystem O&M, not private lateral repairs

What’s Being Done?What’s Being Done?u Lateral insurance programs

u Sewer fees fund repairs

u City lateral maintenance programs toremove roots from city trees

u Mandatory replacement/rehab during majorremodeling

u Rethinking the issue of private vs. publicownership

u Lateral insurance programs

u Sewer fees fund repairs

u City lateral maintenance programs toremove roots from city trees

u Mandatory replacement/rehab during majorremodeling

u Rethinking the issue of private vs. publicownership

The “Rest of the Story”The “Rest of the Story”u Some Orangeburg pipe still in the ground

u Mortar joints failing in old VCP

u Lateral inspection not required at time of sale

u Status of I/I problem undocumented

u Incentives lacking for cities to assist residentsin lateral repair

u “Orphan child” of collection systems

u Some Orangeburg pipe still in the ground

u Mortar joints failing in old VCP

u Lateral inspection not required at time of sale

u Status of I/I problem undocumented

u Incentives lacking for cities to assist residentsin lateral repair

u “Orphan child” of collection systems

Some Final CommentsSome Final Commentsu Should regional agencies assist in private

lateral repair programs?u It’s not just an engineering problemu Will fixing the “lower lateral” fix the

I/I problem?u Residents ask, “Why should I have to

pay for a problem under the city street?”u Where’s my property line?

u Should regional agencies assist in privatelateral repair programs?

u It’s not just an engineering problemu Will fixing the “lower lateral” fix the

I/I problem?u Residents ask, “Why should I have to

pay for a problem under the city street?”u Where’s my property line?

A Sign of Our TimesA Sign of Our Times

The Final Solution?The Final Solution?

Questions?Questions?

Orange County Sanitation Districtwww.ocsd.comOrange County Sanitation DistrictOrange County Sanitation Districtwww.ocsd.comwww.ocsd.com

Patrick McNellyPrincipal Staff AnalystCollections Facilities O&M and Services(714) 593-7163pmcnelly@ocsd.com

Patrick McNellyPrincipal Staff AnalystCollections Facilities O&M and Services(714) 593-7163pmcnelly@ocsd.com