2020

WATER VALVES REPLACEMENT PROJECTBROWNSVILLE , TEXAS

BID No.061-20

PROJECT NO:

DRAWING NO:

SHEET NO:

1 OF 9

WD1213

0000G-001

B R O W N S V I L L E

U BTILITIESPUBLIC OARD

Brownsville Public Utilities Board - Board of Directors

ANNA E. OQUIN.................................................................................................................CHAIR

JUDE A. BENAVIDES, PH.D....................................................................................VICE-CHAIR

SANDRA LOPEZ-LANGLEY...........................................................SECRETARY/TREASURER

PATRICIO SAMPAYO....................................................................................................MEMBER

SANDRA SAENZ.............................................................................................................MEMBER

TIMOTHY LOPES............................................................................................................MEMBER

MAYOR TREY MENDEZ........................................................................EX-OFFICIO MEMBER

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NOTES ON THRUST BLOCKING

1. ALL BLOCKING SHALL BE AGAINST UNDISTURBED HAND DUGSOIL AND SHALL BE CONCRETE HAVING A MINIMUM 28 DAYSTRENGTH OF 2000 LBS. PER SQUARE INCH.

2. THRUST CALCULATIONS TO BE BASED ON THRUST DUE TOWATER PRESSURE AT 100% OF TEST PRESSURE. THRUST = 2 AP SIN1/2Ø WHERE A = AREA OF PIPE, P = WATER PRESSURE, Ø =DEFLECTION ANGLE.

3. VERTICAL UPLIFT BLOCKS SHALL BE DESIGNED ON THE BASISOF 150 LBS. PER CU. FT. FOR CONCRETE AND SOIL AT 120 LBS. PERCU. FT. OVER THE AREAOF BLOCK.

4. VERTICAL DOWN THRUST BLOCKS SHALL BE DESIGNED ONTHE BASIS OF 2000 LBS. PER SQ. FT. ALLOWABLE SOIL BEARINGPRESSURE. DIMENSION MAY BE DECREASED WITH APPROVAL OFTHE ENGINEER IF MEASURED SOIL CONDITIONS PERMIT. IN POORSOIL CONDITIONS, BLOCK DIMEMSIONS SHALL BE INCREASED INPROPORTION TO ALLOWABLE BEARING VALUE.

5. THRUST BLOCKS ON HORIZONTAL BENDS, TEES, CROSSES, ANDREDUCERS SHALL BE SIZED BASED ON 24000 LBS. PER SQ. FT. OFBLOCKING SURFACE AREA IN CONTACT WITH UNDISTURBEDSOIL, BLOCK DIMENSIONS MAY BE DECREASED WITH APPROVALOF THE ENGINEER IF MEASURED SOIL CONDITIONS PERMIT. INPOOR SOIL CONDITIONS, BLOCK DIMENSIONS SHALL BEINCREASED IN PROPOERTION TO THE ALLOWABLE BEARINGVALUE.

6. ALL BLOCKING SHALL HAVE A MINUMUM SOIL COVER OF 1 FT.

7. ADDITIONAL REINFORCING MAY BE REQUIRED FORHORIZONTAL BLOCKING TO HANDLE UNUSUAL SHEAR LOADINGCONDITIONS.

*

ALL MJ FITTINGS WILL REQUIRE RESTRAINERS (MEGA LUGS) WITH THRUST BLOCKS

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3" CRUSHED LIMESTONE

7" P.C. CONCRETE PAVEMENT

6" COMPACTED SUBGRADE

2"

LC

CL5'

CIV

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TO CURB

SIDEWALK

STOP BAR

CROSSWALK

SPACESMANEUVERING4' x 4' (MIN.) SIDEWALK ADJACENTFROM CURB

SIDEWALK REMOTE

SIDEWALK

LANDINGS5' x 5' (MIN.)

NORMAL INTERSECTION WITH "LARGE" RADIUS

AT INTERSECTIONW/FREE RIGHT TURN & ISLAND

STOP BAR

5' x 5' (MIN.)SHARED LANDINGSCROSSWALK

MIN.

CROSSWALK

LANDINGS5' x 5' (MIN.)

LANDINGS5' x 5' (MIN.)

SIDEWALK

TO CURB

SIDEWALK

SIDEWALK ADJACENT

MID-BLOCK PLACEMENTPERPENDICULAR RAMPS

FROM CURBSIDEWALK REMOTE

THE DETAIL SHOWN BELOW.

ELSEWHEREIN THE PLANS.

BE CUT THROUGH LEVEL WITH THE SURFACE OF THE STREET. A MINIMUM 5' x 5' LANDING AT THE TOP OF RAMPS, SHALL3. SMALL CHANNELIZATION ISLANDS, WHICH CAN NOT PROVIDE

FOR SIMPLICITY. DETECTABLE WARNINGS ARE REQUIRED2. RAMPS ARE SHOWN HERE WITHOUT DETECTABLEWARNINGS

1. STREET GRADES AND CROSS SLOPES BE AS SHOWN

(SHEETS 1 AND 2 OF 4) AND IN OCCORDANCE WITH AT THE LOCATIONS SHOWN ON THE PED STANDARD

GENERAL NOTES

TYPICAL CROSSING LAYOUTS

TO CURB

FROM CURBSIDEWALK REMOTE

SIDEWALK

SIDEWALK

SIDEWALK ADJACENTTO CURB

SIDEWALK ADJACENT

SIDEWALK

RAMP PLACEMENTSINGLE RADIAL

CROSSWALK

STOP BAR

STOP BAR

MANEUVERING4' x 4' (MIN.)

SPACES

STOP BAR

CROSSWALK

SPACESMANEUVERING4' x 4' (MIN.)

CROSSWALK

4' x 4' (MIN.)MANEUVERINGSPACES

SPLIT RADIAL

5' x 5' (MIN.)LANDINGS

SIDEWALK

LANDINGS5' x 5' (MIN.)

SIDEWALK ADJACENTTO CURB

RAMP PLACEMENT

LANDINGS5' x 5' (MIN.)

SIDEWALK ADJACENT

SIDEWALK

TO CURB

FROM CURBSIDEWALK REMOTE

SIDEWALK

NORMAL INTERSECTION WITH "SMALL" RADIUS

SKEWED INTERSECTION WITH "LARGE" RADIUS

SKEWED INTERSECTION WITH "SMALL" RADIUS

TYPICAL CROSSING LAYOUTS

Landing

DIRECTIONAL RAMP WITHIN RADIUS

DIAGONAL CURB RAMP (FLARED SIDES)

FLUSH LANDING

DIAGONAL CURB RAMP (RETURNED CURB)

(Sidewalk set back from curb)

TYPICAL PLACEMENT OF DETECTABLE WARNINGSURFACE ON LANDING AT STREET EDGE.

TYPICAL PLACEMENT OF DETECTABLEWARNING SURFACE ON SLOPING RAMP RUN.

4" MAX.AND USUAL

GENERAL NOTES FORDETECTABLE WARNINGS

1. CURB RAMPS MUST CONTAIN A DELACTABLE WARNING SURFACE THAT CONSISTS OF RAISED TRUNCATED DOMES COMPLYING WITH SECTION 4.29 OF THE TEXAS ACCESSIBILITY STANDARDS (TAS). THE SURFACE MUST CONTRAST VISUALLY WITH ADJOINING SURFACES, INCLUDING SIDE FLARES. FURNISH DARK BROWN OR DARK RED DETECTABLE WARNING SURFACE ADJACENT TO UNCOLORED CONCRETE, UNLESS SPECIFIED ELSEWHERE IN THE PLANS.

2. DETECTABLE WARNING SURFACES MUST BE SLIP RESISTANT AND NOT ALLOW WATER TO ACCUMULATE.

3. ALIGN TRUNCATED DOMES IN THE DIRECTION OF PEDESTRIAN TRAVEL WHEN ENTERING THE STREET.

4. SHADED ARES ON SHEET 1 OF 4 INDICATE THE APPROXIMATE LOCATION FOR THE DETECTABLE WARNING SURFACE FOR EACH CURB

5. DETECTABLE WARNING SURFACES SHALL BE A MINIMUM OF 24' IN DEPTH IN THE DIRECTION OF PEDESTRIAN TRAVEL, AND EXTEND THE FULL WIDTH OF THE CURB RAMP OR LANDING EHERE THE PEDESTRIAN ACCESS ROUTE ENTERS THE STREET.

6. DETECTABLE WARNING SURFACES SHALL BE LOCATED SO THAT THE EDGE NEAREST THE CURB LINE IS A MINIMUM OF 6" AND A MAXIMUM OF 10" FROM THE EXTENSION OF THE FACE OF CURB. DETECTABLE WARNING SURFACES MAY BE CURVED ALONG THE CORNER RADIUS.

7. TXDOT MAINTAINS A LIST OF QUALIFIED DETECTABLE WARNING MATERIALS. DETAILS ARE PROVIDED HEREIN FOR THE PLACEMENT OF LANDSCAPE POVERS. FOR OTHER MATERIALS, REFER TO THE MANUFACTURER'S PRODUCT MANUEL FOR PROPER INSTALLATION..

EXPANSION JOINT

18" (MAX.) ON-CENTER

SIDE FLARE

BOTH WAYS

AS REQUIRED

2" SAND CUSHION

NO. 3 REBARS AT

(TYP.)

RAMP TYPE.

CLASS A CONCRETE-SHALL CONFORM TO APPLICABLE SPECIFICATIONS

DETECTABLE WARNING PAVER WITH

1" MORTAR BED-SHAFT CONFORM TOAPPLICABLE SPECIFICATIONS

CONTROL JOINT PERMISSIBLE

NO. 3 REBAR AROUND PAVER INSET

TRUNCATED DOME SURFACE

MIN. 4"

MIN

.

TRAV

ELPE

DES

TRIA

N

DIR

ECTI

ON

A

DETECTABLE WARNING PAVER (OPTION)

PERPENDICULAR CURB RAMP

DIAGONAL COMBINATION CURB RAMP

TYPE 2

(Use only where water will not pond in the landing.)

Perpendicular to the tangent of the CurbRadius and Contained in Crosswalk

TYPE 4

of Payment

Sidewalk

Ramp Limits

Ramp Limitsof Payment

TYPE 1

Space

Maneu

vering

Flare

CROSSWALK

Flare

Landin

g

Shared 5' x 5'

Ramp8.3%

Ramp

8.3%

CROSSWALK

is not protected

PARALLEL CURB RAMP

walking surface if dropoffPlanting or other non-

Ramp Limitsof Payment

5' min.

2%

of PaymentRamp Limits

TYPE 9

Sidewalkmin.

2" min. curbaligned withcrosswalk

2%

TYPE 8

4' RampWidth

TYPE 5

Sidewalk

of PaymentRamp Limits

of PaymentRamp Limits

Ramp Limitsof Payment

TYPE 7

Equal Ram

p

Slope

OVER OR THROUGH THEM.

ITEM 531 "SIDEWALKS".

1. ALL SLOPES ARE MAXIMUM ALLOWABLE. THE LEAST POSSIBLE SLOPE THAT WILLSLILT DRAIN PROPERTY SHOULD BE USED, ADJUST CURB RAMP LENGTH OR GRADEOF APPROACH SIDEWALKS AS DIRECTED.

2. THE MINIMUM SIDEWALK WIDTH IS 5'. WHERE THE SIDEWALK IS ADJACENT TO THE BACK OF CURB, A 6' SIDEWALK WIDTH IS ENCOURAGED. WHERE A 5' SIDEWALK CAN NOT BE PROVIDED DUE TO SITE CONSTRAINTS, A MINIMUM 3' SIDEWALK WITH 5' x 5' PASSING AREAS AT INTERVALS NOT TO EXCEED 200' IS REQUIRED.3. LANDINGS SHALL BE 5' x 5' MINIMUM WITH A MAXIMUM 2% SLOPE IN ANY DIRECTION.4. MANEUVERING SPACE AT THE BOTTOM OF CURB RAMPS SHALL BE A MINIMUM OF 4' x 4'WHOLLY CONTAINED WITHIN THE CROOSWALK AND WHOLLY OUTSIDE THE PARALLELVEHICULAR TRAVEL PATH.

5. MAXIMUM ALLOWABLE CROSS SLOPE ON SIDEWALK AND CURB RAMP SURFACES IS 2%.

6. CURB RAMPS WITH RETURNED CURBS MAY BE USED ONLY WHERE PEDESTRIANS WOULDNOT NORMALLY WALK ACROSS THE RAMP, EITHER BECAUSE THE ADJACENT SURFACEIS PIANTING OR OTHER NON-WALKING SURFACE OR BECAUSE THE SIDE APPROACH ISSUBSTANTIALLY ABSTRUCTED. OTHERWISE, PROVIDED FLARED SIDES.

7. ADDITIONAL INFORMATION ON CURB RAMP LOCATION, DESIGN, LIGHT REFLECTIVE VALUEAND TEXTURE MAY BE FOUND IN THE CURRENT EDITION OF THE TEXAS ACCESSIBILITYSTANDARDS (TAS) AND 16 TAC 68.102.

8. TO SERVE AS A PEDESTRIAN REFUGE AREA, THE MEDIAN SHOULD BE A MINIMUMOF 5' WIDE. MEDIANS SHOULD BE DESIGNED TO PROVIDE ACCESSIBLE PASSAGE

9. SMALL CHANNELIZATION ISLANDS, WHICH DO NOT PROVIDE A MINIMUM 5' x 5' LANDINGAT THE TOP OF CURB RAMPS. SHALL BE CUT THROUGH LEVEL WITH THE SURFACE OF

10. CROSSWALK DIMENSIONS, CROSSWALK MARKINGS AND STOP BAR LOCATIONS SHALL BE AS SHOWN ELSEWHERE IN THE PLANS. AT INTERSECTIONS WHERE CROSSWALK MARKINGS ARE NOT REQUIRED, CURB RAMPS SHALL BE ALIGNED WITH THEARETICAL CROSSWALKS, OR AS DIRECTED BY THE ENGINEER.11. EXISTING FEATURES THAT COMPLY WITH TAS MAY REMAIN IN PLACE UNLESS OTHERWISE

12. HANDRAILS ARE NOT REQUIRED ON CURB RAMPS. PROVIDE CURB RAMPS WHEREVER ONACCESSIBLE ROUTE CROSSES (PENETRATES) A CURB.

13. CURB RAMPS AND LANDINGS SHALL BE CONSTRUCTED AND PAID FOR IN ACCORDANCE WITH

14. SEPERATE CURB RAMP AND LANDINGS FROM ADJACENT SIDEWALK AND ANY OTHER ELEMENTSWITH PREMOLD OR BOARD JOINT OF 3/4" UNLESS OTHERWISE DIRECTED BY THE ENGINEER.

15. PROVIDE A SMOOTH TRANSITION WHERE THE CURB RAMPS CONNECT TO THE STREET.

16. CURBS SHOWN ON SHEET 1 WITHIN THE LIMITS OF PAYMENT ARE CONSIDERED PART OFTHE CURB RAMP FOR PAYMENT, WHETHER IT IS CONCRETE CURB, GUTTER, OR COMBINED

17. FLARE SLOPE SHALL NOT EXCEED 10% MEASURED ALONG CURB LINE.

PEDESTRIAN FACILITIESGENERAL NOTES

CURBFACE OF

Detectable Warning Paver

DETECTABLE WARNING SURFACE(DOMES TO RUN PARALLEL TO

SIDE FLARE(TYPICAL)

FACE OF

PED

ESTR

IAN

TRAV

ELD

IREC

TIO

N

DETECTABLE WARNING

DOME SURFACEPAVER WITH TRUNCATED

LANDING

4" MAX.AND USUAL

MIN

.

SIDE FLARE(TYPICAL)

PEDESTRIAN TRAVEL)

10" MAX.6" MIN.

CURB

6" MIN.10" MAX.

MIN

.

LANDING

PED

ESTR

IAN

TR

AVEL

DIR

ECTI

ON

LANDING

AND USUAL

FACE OF CURB

DETECTAVLEWARNING SURFACE

4" MAX.

1"2"

1"

CURB AND GUTTER.

THE STREET.

SHOWN ON THE PLANS.

CURB RAMPS AT MEDIAN ISLANDS

See General Noteson sheet 2 of 4 formore information.

NOTES:

TYPE 20

Planting or othernon-walking surfaceif dropoff is not

Planting or other non-walking surface if dropoffis not protected

COMBINATION ISLAND RAMPS

COMBINATION CURB RAMPS

Flare

Flare

Ramp8.3%

2%

transition to street.

5' x 5'

ManeuveringSpace 4' x 4'

8.3%

protected

VariesLanding

WalkingSurface

Ramp Limitsof Payment

Flare

Ramp8.3% Stop Bar

Flare

Flare

8.3%

Ramp

8.3%Ramp

of Payment

Shared Landing5' x 5' min.

TYPE 22

Ramp Limits

2' min. run at 8.3%

FlareSharedLanding

Shared

Curb Ramp

2%

Ramp Limitsof Payment

TYPE 6

TYPE 3

Landing

Cross slope not to exceed 2% on anyportion of ramp or

8.3%

LandingShared

DIRECTIONAL RAMP WITHIN RADIUS

min. 2' taper to existingor proposed sidewalk

OFFSET PARALLEL CURB RAMP

Denotes plantingor non-walkingsurface.

TYPE 11

Sidewalk

Curb

Land

ing

(Sidewalk adjacent to curb)

Ramp Limitsof Payment

TYPE 10

Ramp8.3% Sidewalk

TYPE 21

2" strip if cut through

otherwise place detectablewarning on the entire surfaceof cut through

is greater than 4" in length,

of PaymentRamp Limits

of PaymentRamp Limits

with crosswalk

in the plans.

Align curb parallel

Curb details areshown elsewhere

5' MIN.

8.3%

4' MIN.5' USUAL

ApronDriveway

Apron offset sidewalk

SIDEWALK TREATMENT AT DRIVEWAYSRamp sidewalk

5' min.

Concrete DrivewayPayment

Concrete DrivewayPayment

Driveway

8.3%

If curb height is greater than6 inches, use grade less thanor equal to 5%. Handrail anddetectable warning not required.

4' min.Usual5'

2%

10%

Apron

Wide sidewalk

2%

10%

2%

5' Usual

5' min.

10%

Driveway

Setback sidewalk

Apron4' min. 10%

Planting or othernon-walking surface

Concrete DrivewayPayment

5' Usual

DrivewayApron 2%4' min.

4' x 4'

Run

8.3%

2' min. run

2%

min.2'

4' Ramp

Width

Sidewalk5'

Equal Ram

p

Slope 8.3

%

2% max.

Landing

Sidewalk5'

Ramp Limitsof Payment

2% max.

Ramp Width4'

transition to street.portion of ramp orexceed 2% on anyCross slope not to

8.3%

2'mi

n.

2%

5'

5' x 5'Landing

8.3%2%

4' RampWidth

ManeuveringSpace 4' x 4'

Ramp 8.3% 10' max.Ramp 8.3%

5' min.

for

5' min.Landing

5' min.

5' min.for refuge

5' min.

2%

5' min.

Varies

2% 8.3%Ramp

5' us

ual

5'min.

4' RampWidth

Ramp 5' min. Side

5' Usual

Flare

8.3%Ramp

5'x 5'SharedLanding 8.3%

Ramp

VAR

IES Concrete Driveway

Payment

CAFE

4" max. WallProjection

4" max. WallProjection

Cane DetectableRange

PROTECTEDZONE

80"

27"

PROTECTED ZONE

In pedestrian circulation area, maximum 4" projection for post or wallmounted objects between 27" and 80" above the surface.

PRO

TEC

TED

ZO

NE

53"

CPed. Button

Lof

Maximum 2% Slope

in any direction

4' Min.

4' Min.

EQ.

EQ.

General Notes1. All slopes are maximum allowable. The least possible slope that will still

drain properly should be used.2. Place traffic signal or illumination poles, ground boxes, controller boxes,

signs, drainage facilities and other items so as not to obstruct the

3. Usual sidewalk cross slope equaals 1.5%. The maximum allowable sidewalkcross slope equals 2%.

accessible route or clear ground space.

4. Street grades and cross slopes shall be as shown elsewhere in the plans.5. Existing features that comply with TAS may remain in place unless otherwise

shown on the plans.

6. Changes in level greater than 1/4 Inch are not permitted.

7. The least possible grade should be used to maximize accessibility. The runningslope of sidewalks and crosswalks, within the public right of way, may follow thegrade of the parallel roadway. Where a continuous grade greater than 5% mustbe provided, handrails may be disirable on one or both sides of the sidewalk toimprove accessability. Handrails may also be needed to protect pedestrians frompotentially hazardous conditions. If povided, handrails must comply with TAS 4.8.5.

8. Handrail extensions shall not protrude into the usable landing area or intointersecting pedestrian routes.

9. Driveways and turnouts shall be constructed and paid for in accordance withItem, "Driveways and Turnouts". Sidewalks shall be constructed and paid forin accordance with Item, "Sidewalks".

10. Sidewalk details are shown elsewhere in the plans.

CLEAR GROUND SPACE CENTEREDAT PEDESTRIAN PUSH BUTTON

When an obstruction of a height greater than 27" from the surface would createa protusion of more than 4" Into thepedestrian circulation area, constructadditional curb or foundation at thebottom to provide a maximum 4" overhang.

4"

DETECTION BARRIER FORVERTICAL CLEARANCE < 80"

Max.

> 27

"

PHO

NE

Protruding objects af a height< or = 27" are detectable by caneand do not require additionaltreatment.

27" M

ax.

PLAN VIEWPLACEMENT OF STREET FIXTURES

(Items not intended for public use. Minimum 4'x4' clearground space required at public use fixtures.)

Min. distancebetween obstructions

5'-0"

Max. length ofconstruction

2'-0"

Curb(Obstruction pole, hydrant, etc.)

5' S

idew

alk

4' M

in. a

tO

bstru

ctio

n4' M

in. a

tO

bstru

ctio

n

5' S

idew

alk

(Obstruction controller cabinet,mailbox, etc.)

2'-0

"

GENERAL NOTES FOR SECTION A-A

1. CURB RAMPS MUST CONTAIN A DELACTABLE WARNING SURFACE THATCONSISTS OF RAISED TRUNCATED DOMES COMPLYING WITH SECTION4.29 OF THE TEXAS ACCESSIBILITY STANDARDS (TAS). THESURFACE MUST CONTRAST VISUALLY WITH ADJOINING SURFACES,INCLUDING SIDE FLARES. FURNISH DARK BROWN OR DARK REDDETECTABLE WARNING SURFACE ADJACENT TO UNCOLORED CONCRETE,UNLESS SPECIFIED ELSEWHERE IN THE PLANS.

Truncated Dome Pattern Curb Ramp

18"

8"

8"8"

218"

4"

Total sidewalk widthToplanding

Ramp run Sideflare

5' min.5' min.

Landing

8.3%

A

2'-0

"2'

-0"

flare

SidewalkSlope 2%

4'Ramp Width

2% max.

2% max.

flare

8.3%5' min.

8.3%

RampSharedLanding

Ramp

5'

5' MIN.5' MIN.

AD

A D

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4

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12

132

14

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3

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REMOVE AND REPLACE1-16" GATE VALVE

1

N

REMOVE AND REPLACE1-16" GATE VALVE1-16" 90° BEND

2

PROPOSED1-16" GATE VALVE

3

N N

4

REMOVE AND REPLACE1-16"x8" TEE

1-8" GATE VALVEPROPOSED

1-16" GATE VALVEDRIVE WAY REPAIR

N

REMOVE AND REPLACE1-10" TEE

1-10" GATE VALVE2-10"x6" REDUCER

DRIVE REPAIR

5

N

REMOVE AND REPLACE1-8" GATE VALVE

6

N

REMOVE AND REPLACE1-16"x8" TEE1-8" GATE VALVE

7

N

REMOVE AND REPLACE1-16" TEE1-16"x8" REDUCER2-8" 90° BEND1-8" GATE VALVE

8

(2 o

f 2)

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B

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I

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TILI

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PUB

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N

REMOVE AND REPLACE1-16"x12" TEE

1-12" GATE VALVE

9

N

REMOVE EXISTING16" GATE VALVE

10

REMOVE AND REPLACE1-16"x8" TEE

1-8" GATE VALVEPROPOSED

2-16" GATE VALVE1-8"x6" REDUCER

N

RECONNECT 8" to 12" PVC1-12"x8" TEE1-8" GATE VALVE

11

N

REMOVE AND REPLACE1-16"x10" TEE

1-10" GATE VALVE

13

N

12

REMOVE1-12" GATE VALVE

REMOVE AND REPLACE1-12" CROSS

4-12 GATE VALVES

N

REMOVE AND REPLACE1-8"x8" TEE

1-8" GATE VALVE1-8"x4" REDUCER

14

N

REMOVE AND REPLACE1-16" GATE VALVE

960

15