City of Lancaster Road Maintenance and Speed Control Guidelines, Study Guides, Projects, Research of Engineering

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NOTES:

1 STREET SWEEPING SIGNS ARE TO INDICATE THE DAYS OF THE MONTH AND HOURS OF

RESTRICTION. THE DAYS AND HOURS ARE TO BE DETERMINED BY THE CIry OF LANCASTER'S STREET SWEEPING CONTRACTOR. CONTACT CITY OF LANCASTER MAINTENANCE SERVICES, AT (661 (^) )723-5985.

2. THE SIGN SHALL BE RED ON WHITE ENGINEERING GRADE REFLECTIVE SHEETING.

CITY OF LANCASTER

PARKIN(i

BOTH SIDES OF STREET

Xxx & Xxx XX)f

OF EAGH^ MONTH-

XxxrK

N

0

SUBMITTED:

DATE

DEVELOPMENT SERVICES

DEPARTMENT STANDARD PLAN

,M (^) SERVICES

STREET SWEEPING SIGN (^) PWT.3 2t

o ryPE G

t m

f

-------> (^) 15',

(CASE A)

CENTERLINE OF LIMIT LINE OR REAR

BAR OF CROSSWALK MARKTNG (CASE B)

(NOT TO SCALE)

CURB FACE OF CROSS

STREET (CASE A)

NOTES:

AN END LANE LINE SHALL LEAD AND TRAIL LANE LINE STRIPING AT THE DEPARTURE AND

APPROACH SIDES OF THE INTERSECTION.

2. TYPE G RAISED PAVEMENT MARKERS ARE (^) TO BE USED IN CONJUNCTION WITH DETAIL 9 &

DETAIL 12 LANE LINES.

ON APPROACHES WITHOUT LIMIT LINES OR CROSSWALK MARKINGS, AND ON DEPARTURES

WITHOUT CROSSWALK MARKINGS, THE END LANE LINE SHALL BE OFFSET A DISTANCE OF 15'

FROM THE CURB LrNE PROLONGATTON OF THE CROSS STREET (CASE A).

ON APPROACHES WITH LIMIT LINES OR CROSSWALK MARKINGS, AND ON DEPARTURES WITH

CROSSWALK MARKINGS, THE END LANE LINE SHALL EXTEND FROM THE CENTERLINE OF THE

LIMrT LrNE OR REAR BAR OF THE CROSSWALK MARKTNG (CASE B).

CITY OF LANCASTER

l

ALIGNMENT OF LANE

LINE STRIPING

DIRECTION

OF TRAVEL

1

3

SUBMITTED:

4-.--------f-t prw (^) elrcrr.reen y'^ DATE (^) /

rrla:ltq

DEVELOPMENT SERVICES

DEPARTMENT STANDARD PLAN

DIR

APPROVED:

DA

INTERSECTION LANE LINE TREATMENT PWT.

APPROACH ISLAND TREATMENT

(FIGURE A)

+l <- (^) 12" TO 26" R4-

''KEEP RIGHT'' 7',

R4-

,'KEEP RIGHT''

PAVEMENT

SURFACE 7',

oM2-1V

RAISED

MEDIAN

RAISED

MEDIAN (^) t

oM2-'1V

15" PAVEMENT

14', SURFACE

F- 4'-->i

12" TO 26"

.7' (^) 7',

CURB FACE

CURB FACE

NOTES:

1 POSTS FOR POST.MOUNTED SIGN PANELS SHALL BE 12 GAUGE, PERFORATED 2" TELESPAR

SQUARE TUBING. POST ANCHOR SHALL BE A TWO-PIECE BREAKAWAY ANCHOR AND SLEEVE SET

FOR SQUARE TUBING. DRIVE RIVETS SHALL BE USED CONNECT THE SIGN SUPPORT TO THE SLEEVE

AND THE SIGN PANEL TO THE SUPPORT. DRIVE RIVETS SHALL BE ''UNISTRUT''^ PART NO, TLXDR3878,

OR APPROVED EQUAL. BACK BRACING SUPPORTS SHALL BE USED FOR SIGNS THATARE 3O'' OR

LARGER.

2. THE APPROACH ISLAND TREATMENT (FIGURE A) SHALL BE USED AT THE BEGINNING OF A SERIES

OF MEDIANS, AND AT INTERSECTIONS OF ARTERIALS.

3 THE INTERMEDIATE ISLAND TREATMENT (FIGURE^ B)

SHALL BE USED ON THE APPROACH END OF A

MEDIAN AT INTERMEDIATE INTERSECTIONS.

CITY OF LANCASTER

SUBMITTED:

/*_^p qbslrr cttv eruetrueeRI J^ loRte

DEVELOPMENT SERVICES

DEPARTMENT STANDARD PLAN

DIR

RAISED MEDIAN NOSE TREATMENT PWT.6^112

TYPE I SPEED HUMP (NOT^ TO SCALE)

CURB FACE OR

FLOW LINE

a tu q (^) E

OFFSET BY

3'lFW>10' 2',IFW<10'

--

----E

l-<-6'-+l

T 8'

I

h

w17-

w13-1(15)

L- (^) 100'TO 150'

(sEE NOTE 4)

REFLECTIVE WHITE THERMOPLASTIC

PAVEMENT MARKINGS

12',

100'To 150'

(sEE NOTE 4)

1

.l

a? a--'>

=:=- :- I

w17-

w13-1(15)

1 q

A

t

B<l

250'TO 600'

BETWEEN

HUMPS

PARABOLIC ARC

EG

l<-24'

OFFSET

2'tFW>10' 1'lFW< 10'

AC STANDARD %''

AGGREGATE MIX

12'' TAPER

WIDTH

VARIES

W

J

O

o- F =(o

====O@Nr oso)(f) OOOs

t* oo irr Ao F- qqqnq rrNNN

rN@O @o)oro c.i o.,i c.i c"i

SEE

NOTE 4

ACCEPTABLE TOLERANCE FOR 3'' HEIGHT OF

THE SPEED HUMP IS + 1/4..

I

X IF THERE IS NO

GUTTER USE 2'

FROM FLOW LINE

1

12',

NOTES:

SECTION A-A SECTION B-B

SPEED HUMPS SHALL BE INSTALLED ONLY WHEN AUTHORIZED BY THE CIry TRAFFIC ENGINEER.

INSTALLATION SHALL CONFORM TO THE LATEST CITY OF LANCASTER STANDARD PLANS AND

CALIFORNIA MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES STANDARDS.

SPEED HUMPS SHALL NOT BE PLACED OVER MANHOLES, MAINTENANCE COVERS, ETC

EDGE OF SPEED HUMP SHOULD BE 5'OR MORE FROM EDGE OF DRIVEWAY OR CATCH BASIN

4. EXACT LOCATION, TYPE (^) OF SPEED HUMP, AND SIGN LOCATION SHALL BE DETERMINED BY CITY OF

LANCASTER TRAFFIC ENGINEER.

ASPHALT JOINS SHALL BE ACCOMPLISHED BY GRINDING

AND FILLING A 1''X24'' CUT.

3

5

CITY OF LANCASTER

A

J

T 6' I

SUBMITTED:

ENGINEER DATE

DEVELOPMENT SERVICES

DEPARTMENT STANDARD PLAN

DIRECTOR OF

APPROVED

SPEED HUMP (^) PWT.8 1t

T_

TYPE II SPEED HUMP (NOT^ TO SCALE)

REFLECTIVE WHITE THERMOPLASTIC

PAVEMENT MARKINGS

'100' (^) To 150'

CURB FACE OR (sEE NOTE 4)

FLOW LINE .l^

w17-

w13-1(15)

OFFSET BY

3'lFW>10' 2'tFW<10'

T 6' I

acz> tE-

U) I.JJ^1

----l----- (^) I

q (^) t (^) k

--....-..lr AD l<- (^) 6'->l

T a

A

t

OFFSET

(^8 1) 2'tFW>10' 1'tFW<10'

W

I

A

l

h

w17-

wl3-1(15) L- 1oo'To'150'

(sEE NOTE 4)

10'

J O (L F (o

O@NrF-@l.rrcOl-rN@O^ --=:: qsqc?qo?qnqoqqqq C)OOTTTNNNNNN(f)

PARABOLIC ARC

3'' FLAT TOP

SEE

NOTE 4

t<- 10' l 22',

NOTES: SECTION^ A-A

1 SPEED HUMPS SHALL BE INSTALLED ONLY WHEN AUTHORIZED BY THE CITY TRAFFIC ENGINEER.

INSTALLATION SHALL CONFORM TO THE LATEST CITY OF LANCASTER STANDARD PLANS AND

CALIFORNIA MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES STANDARDS.

2. SPEED HUMPS SHALL NOT BE PLACED OVER MANHOLES, MAINTENANCE (^) COVERS, ETC.
3. EDGE OF SPEED HUMP SHOULD BE (^) 5'OR MORE (^) FROM EDGE OF DRIVEWAY OR CATCH BASIN
4. EXACT LOCATION, TYPE OF SPEED HUMP, AND SIGN LOCATION SHALL BE DETERMINED BY CITY OF

LANCASTER TRAFFIC ENGINEER.

5 ASPHALT JOINS SHALL BE ACCOMPLISHED BY GRINDING

AND FILLING A 1''X24'' CUT.

6 ACCEPTABLE TOLERANCE FOR 3'' HEIGHT OF

THE SPEED HUMP IS t 1/4 ''^ CITY OF LANCASTER

SIJBMITTED:

DIRECTOR OF^1

a:

DATE

DEVELOPMENT SERVICES

DEPARTMENT STANDARD PLAN

SPEED HUMP (^) PWT.8 2t

CF q I 40'

CF

3' +|<-^ 6' -3"^ ------>t<-^ 3' +l<-^ 6' -3 "^ ------>l<-^

I 3'

I

+<- 6'_3" ------>l<-^ $,->!-- 6'_3" ------>l<-^ 3,

=(o I (o

1 2'' REFLECTIVE WHITE THERMOPLASTIC

[>B F- 3',-->i

PAVEMENT MARKINGS AROUND SPEED CUSHIONS

I- N o .n , l#e=m l-nJ i;g o.Tt

1 1 4'-3" (^) 2' (^) --f,- z-o (^) -'-r*

A

L

A

J

D, N

o-J (^) o-o N i_ (^) SECTION A-A SECTION B-B 1'--t 4'-3" F<- 1' L-- (^) e NOTES:

1 SPEED CUSHIONS SHALL BE INSTALLED ONLY WHEN AUTHORIZED BY THE CITY ENGINEER OR TRAFFIC

ENGINEER. LOS ANGELES COUNTY FIRE PREVENTION SHALL APPROVE LOCATIONS OF THE PROPOSED

SPEED CUSHIONS PRIOR TO INSTALLATION. INSTALLATION SHALL CONFORM TO THE LATEST CITY OF

LANCASTER AND CALIFORNIA MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES STANDARDS.

2. SPEED CUSHIONS SHALL NOT BE PLACED OVER MANHOLES, MAINTENANCE (^) COVERS, ETC.
3. EDGE OF SPEED CUSHIONS SHOULD BE 5'OR MORE FROM EDGE (^) OF DRIVEWAY (^) OR CATCH BASIN
4. EXACT LOCATION OF SPEED CUSHIONS AND SIGN LOCATIONS SHALL BE DETERMINED BY THE CITY OF

LANCASTER TRAFFIC ENGINEERING DIVISION.

5 AC PAVEMENT REPLACEMENT SHALL BE FROM EP TO EP. AC PAVEMENT JOINTS

SHALL BE ACCOMPLISHED BY GRINDING AND FILLING A 1'' X 24" CUT UNLESS

OTHERWISE NOTED.

6 ACCEPTABLE TOLERANCE FOR 3'' HEIGHT OF

SPEED CUSHIONS IS +^ 1/4,'.

CITY OF LANCASTER

SUBMITTED:

CI ENGINEER AP

DIRECTOR (^) DA

DEVELOPMENT SERVICES

DEPARTMENT STANDARD PLAN

SPEED CUSHION (^) PWT.9 112

LAYOUT OF SPEED CUSHION ZONE (NOT^ TO SCALE)

CURB FACE OR

FLOW LINE

250'TO 600' 100' To 150' ---------->

(sEE NOTE 4) (sEE NOTE 4)

{

w17-

w13-1(15)

U) tu

a> tG-

q _E^ ---------------

• • -t

@

q

t,

w17-

w13-1(15) REFLECTIVE^ WHITE

THERMOPLASTIC

L- (^) 1oo'To 150,

(sEE NOTE 4)

PAVEMENT MARKINGS

NOTES

w17-

30" x 30" 1 SPEED^ CUSHIONS SHALL^ BE INSTALLED ONLY WHEN

AUTHORIZED BY THE CITY ENGINEER OR TRAFFIC ENGINEER.

LOS ANGELES COUNTY FIRE PREVENTION SHALL APPROVE

LOCATIONS OF THE PROPOSED SPEED CUSHIONS PRIOR TO

INSTALLATION. INSTALLATION SHALL CONFORM TO THE

LATEST CITY OF LANCASTER AND CALIFORNIA MANUAL ON

UNIFORM TRAFFIC CONTROL DEVICES STANDARDS.

w84(CA)

30" x 30"

2. SPEED CUSHIONS SHALL NOT BE PLACED OVER MANHOLES,

MAINTENANCE COVERS, ETC.

3 EDGE OF SPEED CUSHIONS SHOULD BE 5'OR MORE FROM

EDGE OF DRIVEWAY OR CATCH BASIN.

w13-1P

24" X24"

4. EXACT LOCATION OF SPEED CUSHIONS AND SIGN

LOCATIONS SHALL BE DETERMINED BY THE CITY OF

LANCASTER TRAFFIC ENGINEERING DIVISION.

5 AC PAVEMENT REPLACEMENT SHALL BE FROM EP TO EP. AC

PAVEMENT JOINTS SHALL BE ACCOMPLISHED BY GRINDING

7'MIN 7'MIN^ AND^ FILLING^ A^ 1''^ X24"^ CUT UNLESS^ OTHERWISE^ NOTED.

6 ACCEPTABLE TOLERANCE FOR 3'' HEIGHT OF SPEED

CUSHIONS lS r 1/4".

INSTALL AT

ENTRANCE OF STREET CITY OF^ LANCASTER

SPEED HUMPS

15 MPH

SPEED

HUMPS

SUBMITTED:

ENGINEER

DIRECTOR^ n

DEVELOPMENT SERVICES

DEPARTMENT STANDARD PLAN

SPEED CUSHION (^) PWT.9 (^212)

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