AC-805579_HWY-37_53_395_Site Plans.pdf

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SHEET No.

4-6

7-31

32-59

60-90

91-129

130-134

SCHEDULE OF DRAWINGS

TITLE SHEET

INDEX SHEET

DESCRIPTION

GENERAL NOTES, LEGEND AND SYMBOLS

MAINTENANCE OF TRAFFIC PLAN, GEN. NOTES &: TYP. APPLICATIONS

SITE "A" PR-124 KM 22.35 (ER-HWY-107)

SITE •s• PR-111 KM 44.90 (ER-HWY-37)

SITE "c" PR-111 KM 66.20 (ER-HWY-53)

SITE "D" PR-6111 KM 1.90 (ER-HWY-395)

RIGHT OF WAY PLANS AND TABLES

NOTE:

"ALL WORK ON THIS PROJECT SHALL BE PERFORMED AND ALL

MATERIALS SHALL BE IN STRICT ACCORDANCE WITH THE STANDARD

SPECIFlCATIONS FOR ROAD AND BRIDGE CONSTRUCTION AND GENERAL

PROVISIONS APPROVED BY THE PUERTO RICO HIGHWAY AND

TRANSPORTATION AUTHORITY IN 2005 AND SUBSEQUENT AMENDMENTS IN

EFFECT AT THE TIME OF BIDDING, WITH THE STANDARD DRAWINGS, WITH

THESE PLAN AND WITH ALL SPECIAL PROVISIONS AND INSTRUCTIONS

INCLUDED IN THE CONTRACT BOOK"

GENERAL DESIGN CRITERIA

HIGHWAY DESIGN CODE-- AASHTO 2004, HDM 1979

SECTION

REFERENCE

GR/1

GR/2

GR/3

MOT/1-3

GR-A/4 TO CS-A/4

GR-B/4 TO CS-B/3

GR-C/4 TO CS-C/5

GR-D/4 TO CS-D/6

ROW/1-5

STRUCTURES DESIGN CODE-- AASHTO LRFD BRIDGE DESIGN 5TH EDITION 2010

DESIGN CLASS CODE (PRHTA GENERAL llESGN ST,NMRIJS)--

1.

2.

3.

FUNCTIONAL HIGHWAY CLASSIFlCATION (AASHTO)--

FUNCTIONAL HIGHWAY CLASSIFlCATION (PRHTA)--

CONTROL OF ACCESS (FULL, PARTIAL, NONE)--

AVERAGE DAILY TRAFFIC (ACTUAl.)--

AVERAGE DAILY TRAFlFlC (FUTU<E, Y£AR)--

DESIGN HOURLY VOLUME (OHV)--

DIRECTIONAL DISTRIBUTION (DJ--

PERCENT OF TRUCK (1)--

DESIGN SPEED ('I)-- 30 MPH

MAXIMUM GRADE(ll)-- 8

TYPE OF TERRAIN (l£VEL. Ra.J.JNG, MOUNTAINOUS)--

MINIMUM CURVE RADIUS-

MAXIMUM SUPERELEVATION-- 6X

DESIGN LOAD FOR STRUCTURES-- HL93

DESIGN EXCEPTION?(,D OR NO)-- NO

DESCRIBE THE EXCEPTION APPROVAL DATE BY PRHTA

LOCATION PLAN

SCALE = 1: 20,000

• AGUADILLA

• ARECBO

PR-111 IOI 44.SIO

PR-124 KN 22..35

PR-111 1<111 88.20

F'R-8111 KNUO

• PROJECT SITES

MAYAGUEZ

0 400 IIOO

A C CODE NUMBER 805579

ORACLE NUMBER R059999579

FHWA NUMBER ER-9999(311)

LANDSLIDE AND ROADWAY DAMAGE EVALUATION

HIGHWAY PR-124 KM 22.35, PR-111 KM 44.90 & KM 66.20 AND PR-6111 KM 1.90

MUNICIPALITIES OF LARES AND UTUADO, PUERTO RICO

FED. HWY.

NO.

ORACLE

NO.

A.C. PROJECT

CODE NO.

HIGHWAY MUNICIPALITY ISLAND

FISCAL

YEAR

SHEET

NO.

ER-9999(311) R059999579 AC-805579

PR-124

PR-111

PR-6111

LARES

UTUADO

P.R. 2019

COMMONWEALTH OF PUERTO RICO

DEPARTMENT OF TRANSPORTATION

AND PUBLIC WORKS

HIGHWAY & TRANSPORTATION

AUTHORITY

DESIGN AREA

COMMONWEAL TH OF PUERTO RICO

A� / HIGHWAY &- TRANSPORTAnoN

AUTHORITY

---SUBMITTED:

ALEXANDRA VELAZQUEZ DELGADO, PE

---- ACTING DIRECTOR, PROGRAMMING

---- AND SPECIAL STUDIES AREA

LISSETTE LUGO COLON, PE

- - -- DIRECTOR, TRAFFIC ENGINEERING

- - -- AND OPERATIONS AREA

MARILYN RODRIGUEZ DIAZ, PE

DIRECTOR, CONSTRUCTION AREA

ALEXANDRA VELAZQUEZ DELGADO, PE

---- DIRECTOR, DESIGN AREA

CARLOS A. LLOVERAS MATTEI, PE

---- DIRECTOR, ESTIMATES AND BIDS OFFICE

- -- RECOMMENDED:

ANA L. TORRES SANTANA, PE

---- DEPUTY EXECUTIVE DIRECTOR

APPROVED:

DR. EDWIN E. GONZALEZ MONTALVO, PE

---- EXECUTIVE DIRECTOR

DATE

DATE

DATE

DATE

r-------------------------7

I P R E P A R E D B Y I

: BARRETT HALE & ALAMO :

I CONSUL TING ENGINEERS I

I I I _________ I I HERMINIO ALAMO MORAl.£5 UC. NO. 7805 I L _________________________ J

TOTAL

SHEETS

BARRETTHALE ALAMO

Δ

WALL NOTES

· GABIONS SHALL BE IN ACCORDANCE WITH SPECIFICATION 614 AND PRHTA

STANDARD MODELS GABI SERIES. ALL GABIONS MUST BE PVC COATED.

· WALL BACKFILL SHALL BE BORROW CLASS B IN ACCORDANCE WITH SPEC. 203.

AS A SUBSIDIARY OBLIGATION, THE MATERIAL SHALL EXHIBIT A FRICTION ANGLE

OF AT LEAST 34 DEGREES, A MINIMUM UNIT WEIGHT OF 125 PCF, A PLASTICITY

INDEX OF LESS THAN 6, AND 15% MAX FRACTION PASSING THE #200 SIEVE.

· PRIOR TO THE PRODUCTION OF SHOP DRAWINGS, THE CONTRACTOR SHALL

VERIFY THE EXISTING GROUND ELEVATIONS. THE ENGINEER SHALL BE NOTIFIED

OF ANY DISCREPANCIES FROM CONDITIONS SHOWN IN PLANS.

· MATERIALS FOR TOP BARRIERS SHALL BE AS FOLLOWS:

CLASS A CONCRETE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . f'c = 3.0 ksi REINFORCING STEEL (GR 60) . . . . . . . . . . . . . . . . . . . . . . . . Fy = 60 ksi

· WALL FOUNDATIONS ARE CALLED TO BEAR ON A 0.30M MINIMUM LAYER OF

FOUNDATION FILL OVERLIING THE IN-SITU STIFF CLAYEY SILT. THE LOWER LIMIT

OF EXCAVATION SHALL BE INSPECTED BY THE PRHTA'S GEOTECHNICAL

ENGINEER TO ASSURE SAID STRATA HAS BEEN ENCOUNTERED.

· THE CONTRACTOR SHALL NOTIFY THE GEOTECHNICAL ENGINEER AT LEAST

THREE (3) DAYS PRIOR TO THE COMPLETION OF EXCAVATIONS. NO FOUNDATION

FILL OR WALL ELEMENTS SHALL BE DEPOSITED UNTIL THE SOIL BEARING

CAPACITY IS VALIDATED BY THE GEOTECHNICAL ENGINEER.

· FOUNDATION FILL SHALL BE IN ACCORDANCE WITH SPEC. 207. AS A SUBSIDIARY

OBLIGATION, THE MATERIAL SHALL EXHIBIT A FRICTION ANGLE OF AT LEAST 34

DEGREES, A PLASTICITY INDEX OF LESS THAN 6, AND 15% MAX FRACTION

PASSING THE #200 SIEVE.

· EXCAVATIONS SHALL BE IN ACCORDANCE WITH SPECIFICATION 206. WHERE

PERMITTED BY THE ENGINEER, EXCAVATIONS CAN BE BACK SLOPED 1H :1.5V. AS

A SUBSIDIARY OBLIGATION TO SPECIFICATION 206, ALL EXPOSED FACES OF

EXCAVATION SHALL BE COVERED WITH AN IMPERVIOUS PLASTIC LINER.

· GEOTECHNICAL RECOMMENDATIONS PROVIDED BY GEOPRACTICA INC. (REPORT

DATED FEBRUARY 12, 2019 & ENGINEERING DESIGN LETTER DATED DEC. 5, 2019).

FOR BORING LOGS, SEE SS SERIES SHTS.

· SHEATHING AND ASSOCIATED GEOTEXTILE FILTER SHALL BE CONSIDERED

SUBSIDIARY TO THE UNDERDRAIN PAY ITEM, SPECIFICATION 605. OUTLET PIPE

LOCATIONS TO BE SUBJECT TO THE APPROVAL OF THE ENGINEER.

· REINFORCING SHOP DRAWINGS SHALL BE IN METERS. BAR MARKS SHOULD NOT

BE CHANGED.

· GUARDRAIL TO BARRIER TRANSITIONS SHALL BE IN ACCORDANCE WITH PRHTA

STANDARD MODELS MB 25 (JUNE 2018); NEW TRANSITION MODULE AND MB 28

(JUNE 2018); TYPE II THRIE BEAM TRANSITION SECTION.

· THE UPPER PORTION (NEAR THE TEMPORARY JERSEY BARRIER) CAN NOT BE

TEMPORARY LOADED OR USED FOR ANY CONSTRUCTION STAGING AT ANYTIME.

B

A A B

.9

KM

-GEN-NOTES.RTF

GENERAL NOTES

· PRIOR TO THE PRODUCTION OF SHOP DRAWINGS, THE CONTRACTOR SHALL PERFORM A DETAILED AS-BUILT SURVEY OF THE EXISTING STRUCTURE. LOWER LIMITS OF EXISTING CULVERT FOOTINGS SHALL BE VERIFIED.

THE ENGINEER SHALL BE NOTIFIED OF ANY DISCREPANCIES. THIS WORK SHALL BE CONSIDERED A SUBSIDIARY

OBLIGATION IN ACCORDANCE WITH SPECIFICATION 150.

· THE CONTRACTOR SHALL PHASE WORK TO MAINTAIN STREAMFLOW. SUCH WORK SHALL BE PERFORMED IN A MANNER WHICH DOES NOT IMPEED FLOW OR RESULT IN UPSTREAM FLOODING. FOR CONSTRUCTION PHASING & MAINTENANCE OF TRAFFIC (MOT), SEE MOT SERIES SHEETS. FOR UTILITY RELOCATION, SEE UTILITY PLANS.

· EXCAVATIONS BELOW AND ADJACENT TO THE EXISTING STRUCTURE SHALL BE PERFORMED IN A CAREFUL AND CONTROLLED MANNER. THESE EXCAVATIONS SHALL NOT BE LEFT OPEN AT THE END OF THE WORKDAY.

EXCAVATIONS AND FLOOR SLAB/CUTOFF WALL CONSTRUCTION SHALL BE STAGED IN A MINIMUM OF 3

(SEPARATE) SEGMENTS, DETAILS SUBJECT TO THE APPROVAL OF THE ENGINEER.

· CUTOFF WALLS AND UNDERPINNING SHALL BE COMPLETED PRIOR TO COMMENCING FLAREWALL

CONSTRUCTION. DURING THESE OPERATIONS, PR111 TRAFFIC SHALL BE REDUCED TO 1 LANE AND DIRECTED

AWAY FROM WORKS.

· FLAREWALLS ARE TO BE CONSTRUCTED, BACKFILLED AND ALLOWED TO DEFLECT PLACING RIP RAP. PROVISIONS

TO ACCOUNT FOR ANTICIPATED DEFLECTIONS, SHALL BE INCLUDED IN SHOP DRAWING

· CONCRETE WORK SHALL BE IN ACCORDANCE WITH SPECIFICATION 601 OR SPECIAL PROVISION SP934 AS NOTED.

EXCEPT WHERE OTHERWISE INDICATED, ALL 90 DEG. CORNERS SHALL BE CHAMFERED 0.02m & CONSTRUCTION JOINTS INTENTIONALLY ROUGHENED (1/4 INCH AMPLITUDE, CLEAN & FREE OF LOOSE MATERIAL). UNLESS OTHERWISE INDICATED, ALL REBAR SHALL BE UNCOATED & PROVIDED WITH 0.05m MINIMUM CONCRETE CLEAR

COVER.

· HANDLING & PLACING OF SLAB CONCRETE TO BE IN ACCORDANCE WITH SUBSECTIONS 934-3.07 & 934-3.08 OF SPECIAL PROVISION SP934. CONCRETE SLABS SHALL BE CURED BY THE "WATER METHOD" IN ACCORDANCE WITH ART. 934-3.20b OF SPECIAL PROVISION SP934.

· "PRIOR TO BEGINNING OF ANY CONCRETE PLACEMENT, A BRIDGE DECK PRE-PLACEMENT MEETING CONDUCTED BY THE ENGINEER SHALL BE HELD AT THE JOBSITE. THE CONTRACTOR SHALL INCLUDE REPRESENTATIVES OF ALL SUBCONTRACTORS AND SUPPLIERS INVOLVED IN THE CONCRETE PLACEMENT PROCESS. DURING THE MEETING THE CONTRACTOR SHALL SUBMIT A PRELIMINARY CONCRETE PLACEMENT PLAN TO BE DISCUSSED. IN THIS MEETING THE CONTRACTOR SHALL EXPLAIN ALL THE PHASES OF THE CONCRETE PLACEMENT OPERATIONS TO VERIFY ALL THE PARTS INVOLVED ARE PROPERLY PREPARED TO CONDUCT THE CONCRETING OPERATION.

THE PRESENCE OF THE CONTRACTOR, SUPPLIER, ENGINEER & INSPECTOR TO THE MEETING SHALL BE MANDATORY. AFTER THE CONCRETE PRE-PLACEMENT MEETING, THE CONTRACTOR SHALL SUBMIT A WRITTEN FINAL DETAILED PROCEDURE (AT LEAST 3 DAYS BEFORE THE PROPOSED CONCRETING DATE) FOR THE PLACEMENT OF BRIDGE SLAB CONCRETE TO BE VERIFIED AND RECOMMENDED BY THE ENGINEER." (DD304)

· "IN ANY CONSTRUCTION OPERATION ON NEW OR EXISTING BRIDGE, THE CONTRACTOR SHALL ENSURE THAT ANY CONSTRUCTION LOADING AND STOCKPILED RAW MATERIALS ON A STRUCTURE DOES NOT OVERLOAD ITS

MEMBERS." (DD308)

· REINFORCEMENT SHOP DRAWINGS SHALL BE IN METERS. BAR MARKS SHOULD NOT BE CHANGED. WHERE BARS

ARE OF VARIABLE LENGTH, SUFFIXES CAN BE ADDED TO BAR MARKS.

· PREFABRICATED DRAINAGE COMPOSITE SHALL IN ACCORDANCE WITH SPECIAL PROVISION 909. INSTALLATION TO BE IN ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS. THE IMPERMEABLE MEMBRANE, PREFABRICATED SIDEOUT CONNECTORS AND OUTLET PIPES SHALL BE SUBJECT TO APPROVAL AND

CONSIDERED A SUBSIDIARY OBLIGATION OF THE SP909 PAY ITEM.

· THE GEOTEXTILE FILTER FABRIC (FOR UNDERDRAINS) SHALL BE IN ACCORDANCE WITH SPEC. 712-7, CLASS A (EROSION CONTROL APPLICATIONS). THE GEOTEXTILE, SHEATHING (SPEC 209) & ANY REQUIRED EXCAVATION

SHALL BE CONSIDERED SUBSIDIARY TO THE UNDERDRAIN PAY ITEM, SPEC. 605.

· BORROW CLASS B BACKFILL MATERIAL SHALL BE IN ACCORDANCE WITH SPEC. 203. AS A SUBSIDIARY OBLIGATION, THE MATERIAL SHALL EXHIBIT AN ANGLE OF INTERNAL FRICTION OF NOT LESS THAN 34 DEGREES.

COMPACTION IN THE VICINITY OF STRUCTURES SHALL BE ACCOMPLISHED USING LIGHTWEIGHT EQUIPMENT ON

REDUCED LIFTS.

· THE CONTRACTOR SHALL SUBMIT SHOP DRAWINGS SHOWING MOUNTING BRACKET DETAILS FOR THE 12” DIAMETER PRASA PIPE. DRAWINGS ARE TO BE SIGNED & SEALED BY A P.R. LICENSED P.E. THE BRACKETS &

DRAWINGS SHALL BE CONSIDERED SUDSIDIARY TO SPECIFICATION 636.

· THE GALVANIZED STEEL FENCE CALLED TO BE INSTALLED ATOP THE GRAVITY WALL SHALL MATCH THE EXISTING

FENCE, DETAILS SUBJECT TO THE APPROVAL OF THE ENGINEER.

· FOR STRUCTURE MOUNTED GUARDRAIL DETAILS, SEE PRHTA STANDARD MODELS MB - 4, 5, & 11 (DATED JUNE 2018).

FOUNDATIONS

· GEOTECHNICAL RECOMMENDATIONS PROVIDED BY GEOPRACTICA INC. (REPORT DATED MARCH 7, 2019). FOR

BORING LOGS, SEE SS SERIES SHEETS.

· PILES ARE CALLED TO BE INSTALLED IN PREBORED HOLES AND BACKFILLED WITH CLASS A CONCRETE- SPECIFICATION 601. THESE EXCAVATIONS AND BACKFILL SHALL BE CONSIDERED SUBSIDIARY TO THE

SPECIFICATION 615 PAY ITEM.

· PREBORED HOLE CONSTRUCTION AND CONCRETE BACKFILL METHOD SHALL BE IN ACCORDANCE WITH SECTION 901-3 OF SPECIAL PROVISION 901 - “DRILLED SHAFT FOUNDATIONS”. NO (EXTENDED) EXPLORATORY HOLES (CORES) OR LOAD TESTS SHALL BE REQUIRED.THE CONCRETE MIX SHALL BE ADJUSTED IN ACCORDANCE WITH THE PROPOSED CONSTRUCTION METHOD. THE MIX DESIGN AND INSTALLATION METHOD SHALL BE SUBMITTED

FOR THE APPROVAL OF THE ENGINEER.

· TO FACILITATE EXCAVATION (FOR LAGGING/CIP FACING), THE UPPER PORTION OF THE BOREHOLE MAY BE

TEMPORARILY BACKFILLED WITH AN APPROVED AGGREGATE.

· FLAREWALLS ARE CALLED TO BE CONTRUCTED TOP DOWN USING SACRIFICIAL PRECAST CONCRETE LAGGING.

AT UPPER WALL AREAS TO BE BACKFILLED (RATHER THAN CUT), TEMPORARY FORMWORK MAY BE USED AS

SUBSTITUTE SUBJECT TO THE APPROVAL OF THE ENGINEER.

· THE COSTS ASSOCIATED WITH WELDING SHALL BE CONSIDERED SUBSIDIARY TO THE SPECIFICATION 615 & 616

PAY ITEMS.

· GRAVITY WALL FOUNDATIONS SHALL BEAR ON A 0.45M MINIMUM LAYER OF FOUNDATION FILL OVERLIING THE WEATHERED ROCK. THE PRHTA'S GEOTECHNICAL ENGINEER SHALL INSPECT THE LOWER LIMIT OF EXCAVATION

TO ASSURE SAID STRATA HAS BEEN ENCOUNTERED.

· THE CONTRACTOR SHALL NOTIFY THE GEOTECHNICAL ENGINEER AT LEAST THREE (3) DAYS PRIOR TO THE PLANNED COMPLETION OF EXCAVATIONS. NO FOUNDATION FILL OR CONCRETE SHALL BE DEPOSITED UNTIL THE

BEARING CAPACITY IS VALIDATED BY THE GEOTECHNICAL ENGINEER.

· THE GEOTEXTILE FABRIC SHALL BE CONSIDERED A SUBSIDIARY OBLIGATION

OF THE SPECIFICATION 622 - RIP RAP PAY ITEMS.

· UNLESS OTHERWISE SHOWN IN PLANS, GEOTEXTILE FILTER INSTALLATION

SHALL BE IN ACCORDANCE WITH AASHTO MATERIALS M288 APPENDIX X-1.4 -

PERMANENT EROSION CONTROL. MINIMUM GEOTEXTILE OVERLAP SHALL BE

1.0M. SMALLER STONES (< 220 LBS) SHALL NOT BE DROPPED MORE THAN 0.30M

PROVIDED THE PLACEMENT PROCEEDURE DOES NOT DAMAGE THE

GEOTEXTILE. LARGER STONES SHALL BE PLACED - ZERO DROP.

· RIP RAP SHALL BE IN ACCORDANCE WITH SPECIFICATION 622. GRADATIONS

SHALL BE MODIFIED IN ACCORDANCE WITH THE (HEC23) TABLE SHOWN

HEREON. THE MINIMUM DENSITY OF THE STONES SHALL BE 165 PCF.

· LOWER LIMITS OF EXCAVATION SHALL BE INSPECTED BY THE PRHTA'S

GEOTECHNICAL ENGINEER TO ASSURE ALL SOFT OR OTHERWISE UNSUITABLE

MATERIAL HAS BEEN REMOVED. AREAS, WHERE IN-SITU LOOSE TO MEDIUM

SANDS ARE EXPOSED, SHALL BE COMPACTED WITH A SMOOTH WHEEL

VIBRATORY ROLLER AND RESHAPED WITH A 0.15M MIN LAYER OF BORROW B.

COMPACTION SHALL BE TO A MINIMUM DENSITY OF 95%. THE COST OF

COMPACTION AND RESHAPING SHALL BE CONSIDERED SUBSIDIARY TO THE

SPECIFICATION 622 PAY ITEMS.

· GEOTEXTILE FILTER FABRIC SHALL BE IN ACCORDANCE WITH SPECIFICATION

712-7 - EROSION CONTROL APPLICATIONS. ONLY WOVEN MONOFILAMENT OR

NON-WOVEN NEEDLE-PUNCHED GEOTEXTILES SHALL BE PERMITTED.

NON-WOVEN FABRIC SHALL HAVE A MINIMUM MASS OF 12 Oz./SqYd AND A

MINIMUM PRORSITY OF 30%. WOVEN FABRIC SHALL HAVE A MINIMUM OPEN

AREA OF 4%. IN ADDITION, THE FABRIC SHALL MEET THE FOLLOWING

REQUIREMENTS:

.90

KM

.90

KM

SEALANT NOTES:

· + 100%, -50% MOVEMENT CAPABILITY.

· RESILIENT, SUITABLE FOR EXTERIOR EXPOSURE.

· SUBMIT SEALANT FOR APPROVAL.

· INSTALL FOLLOWING MANUFACTURE'S RECOMMENDATIONS.

· CONSIDER JOINT ASSEMBLY SUBSIDIARY TO SP934 PAY ITEMS.

GENERAL NOTES

· THE CONTRACTOR SHALL VERIFY EXISTING CONDITIONS. THE ENGINEER SHALL BE NOTIFIED

OF ANY DISCREPANCIES.

· THE CONTRACTOR SHALL PHASE WORK TO MAINTAIN STREAMFLOW. SUCH WORK SHALL BE

PERFORMED IN A MANNER WHICH DOES NOT IMPEED FLOW OR RESULT IN UPSTREAM

FLOODING. FOR CONSTRUCTION PHASING & MAINTENANCE OF TRAFFIC (MOT), SEE MOT SERIES

SHEETS. FOR UTILITY RELOCATION, SEE UTILITY PLANS.

· CONCRETE WORK SHALL BE IN ACCORDANCE WITH SPECIAL PROVISION SP934. EXCEPT WHERE OTHERWISE INDICATED, ALL 90 DEG. CORNERS SHALL BE CHAMFERED 0.02m & CONSTRUCTION

JOINTS INTENTIONALLY ROUGHENED (1/4 INCH AMPLITUDE, CLEAN & FREE OF LOOSE

MATERIAL). UNLESS OTHERWISE INDICATED, ALL REBAR SHALL BE UNCOATED & PROVIDED

WITH 0.05m CONCRETE CLEAR COVER.

· HANDLING & PLACING OF SLAB CONCRETE TO BE IN ACCORDANCE WITH SUBSECTIONS 934-3.07 & 934-3.08 OF SPECIAL PROVISION SP934. SLABS SHALL BE CURED BY THE "WATER METHOD" IN ACCORDANCE WITH ART. 934-3.20b OF SPECIAL PROVISION SP934.

· "THE CONSTRUCTION TOLERANCES FOR THE SLAB THICKNESS SHALL BE AS FOLLOWS:

+0.025m, -0.000m. THE CONSTRUCTION TOLERANCES FOR THE SLAB REINFORCEMENT COVER SHALL BE AS FOLLOWS: +0.006m, -0.006m." (DD304)

· "PRIOR TO BEGINNING OF ANY CONCRETE PLACEMENT, A BRIDGE DECK PRE-PLACEMENT

MEETING CONDUCTED BY THE ENGINEER SHALL BE HELD AT THE JOBSITE. THE CONTRACTOR

SHALL INCLUDE REPRESENTATIVES OF ALL SUBCONTRACTORS AND SUPPLIERS INVOLVED IN

THE CONCRETE PLACEMENT PROCESS. DURING THE MEETING THE CONTRACTOR SHALL

SUBMIT A PRELIMINARY CONCRETE PLACEMENT PLAN TO BE DISCUSSED. IN THIS MEETING THE

CONTRACTOR SHALL EXPLAIN ALL THE PHASES OF THE CONCRETE PLACEMENT OPERATIONS

TO VERIFY ALL THE PARTS INVOLVED ARE PROPERLY PREPARED TO CONDUCT THE

CONCRETING OPERATION. THE PRESENCE OF THE CONTRACTOR, SUPPLIER, ENGINEER &

INSPECTOR TO THE MEETING SHALL BE MANDATORY. AFTER THE CONCRETE PRE-PLACEMENT

MEETING, THE CONTRACTOR SHALL SUBMIT A WRITTEN FINAL DETAILED PROCEDURE (AT

LEAST 3 DAYS BEFORE THE PROPOSED CONCRETING DATE) FOR THE PLACEMENT OF BRIDGE

SLAB CONCRETE TO BE VERIFIED AND RECOMMENDED BY THE ENGINEER." (DD304)

· "IN ANY CONSTRUCTION OPERATION ON NEW OR EXISTING BRIDGE, THE CONTRACTOR SHALL

ENSURE THAT ANY CONSTRUCTION LOADING AND STOCKPILED RAW MATERIALS ON A

STRUCTURE DOES NOT OVERLOAD ITS MEMBERS." (DD308)

· REINFORCEMENT SHOP DRAWINGS SHALL BE IN METERS. BAR MARKS SHOULD NOT BE

CHANGED. WHERE BARS ARE OF VARIABLE LENGTH, SUFFIXES CAN BE ADDED TO BAR MARKS.

· UNLESS OTHERWISE INDICATED, SILICON JOINT SEALANTS SHALL BE IN ACCORDANCE WITH

THE PRHTA'S APPROVED LIST (STANARD MODEL PCCP 4 OF 6). THE COST OF ALL SEALS/JOINT

ASSEMBLIES SHALL BE CONSIDERED SUBSIDIARY TO SPECIFICATION SP934.

· GUARDRAIL TO BARRIER TRANSITIONS SHALL BE IN ACCORDANCE WITH PRHTA STANDARD

MODEL MB-28 (JUNE 2018); TYPE II THRIE BEAM TRANSITION SECTION & MB-25 (JUNE 2018); NEW

TRANSITION MODULE.

· THE DRAINAGE COMPOSITE SHALL IN ACCORDANCE WITH SPECIAL PROVISION 909.

INSTALLATION TO BE IN ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS.

· SHEATHING & FILTER FABRIC (WALL UNDERDRAINS & PERCOLATION TRENCHES) SHALL BE

CONSIDERED SUBSIDIARY TO THE UNDERDRAIN PAY ITEM, SPEC. 605. SHEATHING SHALL BE IN ACCORDANCE WITH SPEC. 209. THE GEOTEXTILE FILTER FABRIC SHALL BE AS SPECIFIED FOR

OPEN CHANNELS (DWG. GR-D/4A).

· BRIDGE APPROACH EMBANKMENT MATERIAL SHALL BE IN ACCORDANCE WITH SPEC. 211. AS A

SUBSIDIARY OBLIGATION, THE MATERIAL SHALL CONTAIN NO MORE THAN 15% PASSING THE

#200 SIEVE AND EXHIBIT AN ANGLE OF INTERNAL FRICTION OF NOT LESS THAN 34 DEGREES.

COMPACTION IN THE VICINITY OF STRUCTURES SHALL BE ACCOMPLISHED USING LIGHTWEIGHT

EQUIPMENT ON REDUCED LIFTS.

FOUNDATIONS

· GEOTECHNICAL RECOMMENDATIONS PROVIDED BY GEOPRACTICA INC. (REPORT DATED FEB.

06, 2019). FOR BORING LOGS, SEE SS SERIES SHEETS.

· ALL OVERBURDEN SOILS (FILL) ARE CALLED TO BE REMOVED FROM BELOW THE

STRUCTURE/APPROACH EMBANKMENT FOOTPRINT. FLARE WALL FOUNDATIONS ARE TO BEAR

DIRECTLY ON THE WEATHERED ROCK. CULVERT FOUNDATIONS ARE TO BEAR ON A LAYER OF

FOUNDATION FILL. IN BOTH CASES, THE PRHTA'S GEOTECHNICAL ENGINEERING SHALL INSPECT

THE LOWER LIMIT OF EXCAVATION TO ASSURE THE WEATHERED ROCK STRATUM HAS BEEN

ENCOUNTERED AND THAT ALL SOFT OR OTHERWISE UNSUITABLE MATERIAL HAS BEEN

REMOVED.

· THE CONTRACTOR SHALL NOTIFY THE GEOTECHNICAL ENGINEER THREE (3) DAYS PRIOR TO

THE COMPLETION OF EXCAVATIONS. NO FOUNDATION FILL OR CONCRETE SHALL BE

DEPOSITED UNTIL THE SOIL BEARING CAPACITY IS VALIDATED BY THE GEOTECHNICAL

ENGINEER.

· FOUNDATION FILL TO BE IN ACCORDANCE WITH SPECIFICATION 207 (BORROW MATERIAL).

AS A SUBSIDIARY OBLIGATION, THE MATERIAL SHALL CONTAIN NO MORE THAN 15% PASSING

THE #200 SIEVE AND EXHIBIT A FRICTION ANGLE OF AT LEAST 34 DEGREES. NO DEPOSITING

OR COMPACTING SHALL BE PERMITTED UNDER WET CONDITIONS.

· STRUCTURAL EXCAVATIONS SHALL BE IN ACCORDANCE WITH SPECIFICATION 206. AS A

SUBSIDIARY OBLIGATION TO THE EXCAVATION PAY ITEMS, ALL TEMPORARY EXPOSED FACES

OF EXCAVATION ARE TO BE PROTECTED WITH AN IMPERVIOUS PLASTIC LINER. THE PRESENCE

OF GROUND WATER WITHIN THE DEPTHS OF EXCAVATION IS NOTED.

· FLARE WALL SHEAR KEYS SHALL BE CAST AGAINST THE EXCAVATED FACE OF THE IN-SITU

WEATHERED MATERIAL.

NOTES

· EPOXY ADHESIVE TO MEET THE REQUIREMENTS OF AASHTO M235, TYPES IV

OR V, CLASSES C AND F. SUBMIT FOR APPROVAL.

· COORDINATE ANCHORED BARS WITH CULVERT REINFORCEMENT TO AVOID

CONFLICTS.

· THE COST OF CURB ADJUSTMENTS, INCLUDING ALL REQUIRED TOOLS, LABOR

AND MATERIALS, SHALL BE CONSIDERED A SUBSIDIARY OBLIGATION OF THE

SPECIFICATION 605 - “CONCRETE CURB TYPE D” PAY ITEM.

OPEN CHANNEL NOTES

· FOR ADDITIONAL NOTES, SEE CULVERT GENERAL NOTES (DWG BC-D/6).

· GABIONS SHALL BE IN ACCORDANCE WITH SPECIFICATION 614 AND PRHTA

STANDARD MODELS GABI SERIES. ALL GABIONS MUST BE PVC COATED.

· SELECT BACKFILL SHALL CONSIST OF BRIDGE APPROACH EMBANKMENT

MATERIAL IN ACCORDANCE WITH SPEC. 211 AND CULVERT GENERAL NOTES.

· GABIONS AND RIP-RAP ARE CALLED TO BEAR ON A 0.20M MINIMUM LAYER OF

FOUNDATION FILL. FOUNDATION FILL TO BE IN ACCORDANCE WITH

SPECIFICATION 207 AND CULVERT GENERAL NOTES.

· LOWER LIMITS OF EXCAVATION SHALL BE INSPECTED BY THE PRHTA'S

GEOTECHNICAL ENGINEER TO ASSURE ALL SOFT OR OTHERWISE

UNSUITABLE MATERIAL HAS BEEN REMOVED.

· UPSTREAM CHANNEL EXCAVATIONS SHALL BE IN ACCORDANCE WITH

SPECIFICATION 206.

· GEOTEXTILE FILTER FABRIC SHALL BE IN ACCORDANCE WITH SPECIFICATION

712-7 - EROSION CONTROL APPLICATIONS. ONLY WOVEN MONOFILAMENT OR

NON-WOVEN NEEDLE-PUNCHED GEOTEXTILES SHALL BE PERMITTED.

NON-WOVEN FABRIC SHALL HAVE A MINIMUM MASS OF 12 Oz./SqYd AND A

MINIMUM PRORSITY OF 30%. WOVEN FABRIC SHALL HAVE A MINIMUM OPEN

AREA OF 4%. IN ADDITION, THE FABRIC SHALL MEET THE FOLLOWING

REQUIREMENTS:

· THE GEOTEXTILE FABRIC SHALL BE CONSIDERED A SUBSIDIARY OBLIGATION

OF THE SPECIFICATION 622 - RIP RAP PAY ITEMS AND THE SPECIFICATION 614

- GABION PAY ITEM.

· UNLESS OTHERWISE SHOWN IN PLANS, GEOTEXTILE FILTER INSTALLATION

SHALL BE IN ACCORDANCE WITH AASHTO MATERIALS M288 APPENDIX X-1 -

PERMANENT EROSION CONTROL. MINIMUM GEOTEXTILE OVERLAP SHALL BE

1.0M. SMALLER STONES SHALL NOT BE DROPPED MORE THAN 0.30M

PROVIDED THE PLACEMENT PROCEEDURE DOES NOT DAMAGE THE

GEOTEXTILE. LARGER STONES SHALL BE PLACED - ZERO DROP.

· RIP RAP SHALL BE IN ACCORDANCE WITH SPECIFICATION 622. GRADATIONS

SHALL BE MODIFIED IN ACCORDANCE WITH THE (HEC23) TABLE SHOWN

HEREON. THE MINIMUM DENSITY OF THE STONES SHALL BE 165 PCF.