B08_Attachment_2_-_05-26-2022_JELA_Phase_I_Drawings.pdf

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GENERAL NOTES:

1. PROJECT SITE IS NOT ACCESSIBLE BY LAND. CONTRACTOR SHALL BE RESPONSIBLE FOR

ACCESSING THE SITE FROM A NAVIGABLE WATER BODY. DREDGING FOR SITE ACCESS SHALL ONLY

OCCUR WITHIN THE LIMITS SHOWN FOR TEMPORARY FLOTATION CHANNELS.

2. EXISTING UTILITIES SHOWN ARE APPROXIMATE. CONTRACTOR SHALL BE RESPONSIBLE FOR NOTIFYING UTILITY OPERATORS AND LOUISIANA ONE CALL (1-800-272-3020) AT LEAST FIVE WORKING DAYS PRIOR TO MOBILIZATION. ALL PIPELINES AND UNDERGROUND UTILITIES SHALL BE MARKED BY CONTRACTOR. CONTRACTOR SHALL MAINTAIN MARKERS DURING CONSTRUCTION. CONTRACTOR SHALL

NOT ANCHOR, SPUD, OR EXCAVATE WITHIN 50 FT OF ANY PIPELINE.

3. PROJECT IS WITHIN AND ADJACENT TO ENVIRONMENTALLY SENSITIVE AREAS. CONTRACTOR SHALL AVOID/MINIMIZE IMPACTS TO THESE AREAS DURING THE COURSE OF WORK. OWNER RESERVES THE

RIGHT TO SUSPEND WORK AT ANY TIME IF IMPACTS OCCUR UNTIL SATISFACTORY CORRECTIVE

MEASURES ARE IMPLEMENTED BY CONTRACTOR. REFER TO SPECIFICATION SECTION 01 35 43 - ENVIRONMENTAL PROCEDURES FOR ADDITIONAL REQUIREMENTS, INCLUDING CONDITIONS TO AVOID

IMPACTS TO MANATEES, STURGEON, AND EXISTING VEGETATION.

4. CONTRACTOR SHALL BE FAMILIAR WITH AND ANTICIPATE EXISTING SOFT SOIL CONDITIONS AT THE

WORK SITE. SOIL INVESTIGATION DATA WERE ACQUIRED BY THOMPSON ENGINEERING AND

PRESENTED IN A GEOTECHNICAL DATA REPORT (REFER TO APPENDIX F IN SPECIFICATIONS). IN

PREPARING BIDS, CONTRACTOR SHALL ANTICIPATE AVERAGE CONSTRUCTION SETTLEMENTS OF

APPROXIMATELY 1.5 FT. REFER TO GRR PLACEMENT REQUIREMENTS ON THESE DRAWINGS AND IN

THE SPECIFICATIONS.

5. AERIAL PHOTOGRAPHS SHOWN ON SHEETS 3 TO 10 ARE 2019 DIGITALGLOBE CNES DISTRIBUTION

AIRBUS DS MADE AVAILABLE THROUGH MICROSOFT CORPORATION AERIAL.

6. CONTRACTOR SHALL TAKE PRECAUTIONS, SECURE EQUIPMENT, AND PROTECT THE WORK AGAINST

ADVERSE WEATHER AND MARINE CONDITIONS AND/OR SURGE/WAKE FROM PASSING VESSELS.

7. WATER DEPTHS VARY AND MAY NOT ACCOMMODATE DRAFT OF FULLY-LOADED BARGES. PROVISIONS

SHALL BE MADE TO ACCESS SHALLOWER AREAS THROUGH USE OF LIGHT -LOADED BARGES OR

OTHER EQUIPMENT SUITED TO SHALLOWER WATER.

8. AT CONTRACTOR'S DISCRETION, TEMPORARY FLOTATION CHANNELS MAY BE DREDGED (VIA

MECHANICAL SIDECASTING) TO FACILITATE ACCESS BY DEEPER DRAFT BARGES. DREDGED MATERIAL

FROM TEMPORARY FLOTATION AND ACCESS CHANNELS SHALL BE STOCKPILED WITHIN THE

TEMPORARY AREAS SHOWN ON THESE DRAWINGS. STOCKPILES OF SIDECAST MATERIAL SHALL BE

MARKED WITH TEMPORARY WARNING SIGNS AS SHOWN. UPON COMPLETION OF THE WORK,

FLOTATION CHANNELS SHALL BE MECHANICALLY BACKFILLED AND TEMPORARY WARNING SIGNS

SHALL BE REMOVED. DREDGED MATERIAL SHALL BE GRADED TO APPROXIMATELY MATCH THE

ORIGINAL TERRAIN.

9. CONTRACTOR SHALL STAKE LOCATIONS OF ALL TEMPORARY WARNING SIGNS FOR APPROVAL BY THE

GOVERNMENT OR THE GOVERNMENT'S APPOINTED REPRESENTATIVE PRIOR TO INSTALLATION.

10. THE LIMITS OF ALL CONSTRUCTION SHALL BE MARKED/STAKED FOR CONCURRENCE BY THE

GOVERNMENT OR THE GOVERNMENT'S APPOINTED REPRESENTATIVE PRIOR TO COMMENCING

CONSTRUCTION. ADVANCE MARKING/STAKING MAY BE STAGED WITH ACTUAL PROGRESS OF WORK.

REFER TO SPECIFICATION SECTION 01 32 23 - CONSTRUCTION SURVEYING FOR ADDITIONAL

REQUIREMENTS. REFER TO SETTLEMENT PLATE NOTES ON SHEET 28.

11. BREAKWATER ALIGNMENT MAY BE ADJUSTED IN THE FIELD WITH WRITTEN APPROVAL OF THE GOVERNMENT OR THE GOVERNMENT'S APPOINTED REPRESENTATIVE TO ACCOUNT FOR CHANGES IN

BOTTOM ELEVATION CAUSED BY COASTAL EROSION AND MARSH RETREAT THAT HAVE OCCURRED

SINCE DATA COLLECTION. FIELD ADJUSTMENTS WILL NOT INCREASE BREAKWATER LENGTH WITHOUT ADJUSTING CONTRACT QUANTITIES THROUGH CHANGE ORDERS. CONTRACTOR SHALL OBTAIN WRITTEN

NOTICE FROM THE GOVERNMENT FOR ALL ALIGNMENT CHANGES.

12. CONTRACTOR SHALL VERIFY ALL EXISTING CONDITIONS PRIOR TO COMMENCING CONSTRUCTION

ACTIVITIES. DISCREPANCIES SHALL BE REPORTED IMMEDIATELY TO THE GOVERNMENT OR THE

GOVERNMENT'S APPOINTED REPRESENTATIVE.

13. THERE ARE NO STAGING AREAS AVAILABLE ON NPS PROPERTY. CONTRACTOR SHALL MAKE THEIR

OWN ARRANGEMENTS, OBTAIN PERMISSION FROM APPLICABLE PROPERTY OWNERS AND PAY ALL

ASSOCIATED FEES FOR STAGING, FABRICATION, AND LOADING BARGES.

14. CONTRACTOR SHALL AVOID CONSTRUCTION ACTIVITIES WITHIN THE DESIGNATED DO NOT DISTURB

AREAS.

15. THE CONTRACTOR WILL NEED TO COMPLY WITH LISTED PERMITS/APPROVALS.

16. FEDERAL AND STATE PERMITS THAT ARE REQUIRED TO PERFORM THE WORK HAVE BEEN SECURED BY THE GOVERNMENT OR THE GOVERNMENT'S APPOINTED REPRESENTATIVE . PERMIT CONDITIONS

AFFECTING THE CONSTRUCTION PROCESSES HAVE BEEN INCLUDED IN APPENDIX C OF THE

SPECIFICATIONS.

17. ANY DISCREPANCIES BETWEEN THESE PLANS AND THE CONSTRUCTION DOCUMENTS SHALL BE IMMEDIATELY REPORTED TO THE GOVERNMENT. ALL OTHER REGULATORY AUTHORIZATIONS ARE THE RESPONSIBILITY OF THE CONTRACTOR. COPIES OF ANY SPECIAL PERMITS THAT ARE OBTAINED BY

THE CONTRACTOR MUST BE SUBMITTED TO THE GOVERNMENT.

SURVEY NOTES:

1. TOPOGRAPHIC SURVEYS WERE COMPLETED BY C.H. FENSTERMAKER & ASSOCIATES,

L.L.C. ON DECEMBER 7, 2018. BATHYMETRIC SURVEYS WERE COMPLETED BY C.H.

FENSTERMAKER & ASSOCIATES, L.L.C. ON JANUARY 7, 2019.

2. LOCATIONS OF MAGNETIC ANOMALIES SHOWN ON SHEET 3 WERE PROVIDED BY C.H.

FENSTERMAKER & ASSOCIATES, L.L.C. BASED ON FIELD WORK CONDUCTED DURING

JANUARY 2019. OTHER UNIDENTIFIED ANOMALIES AND OBSTRUCTIONS MAY EXIST.

CONTRACTOR SHALL COORDINATE AND PERFORM A PRE-CONSTRUCTION HAZARD

(MAGNETOMETER) SURVEY AND LOCATE ALL UTILITIES AND OBSTRUCTIONS PRIOR TO

COMMENCING WORK.

3. ALL ELEVATIONS ARE REFERENCED TO THE NORTH AMERICAN VERTICAL DATUM OF

1988 (NAVD88) IN U.S. SURVEY FEET (FEET). ALL HORIZONTAL COORDINATES ARE

REFERENCED TO THE NORTH AMERICAN DATUM OF 1983 (NAD83), LOUISIANA STATE

PLANE, SOUTH ZONE, IN FEET.

4. MONUMENTS USED FOR SURVEY CONTROL:

PRIMARY GPS CONTROL COORDINATE LISTING

POINT NORTHING EASTING ELEVATION

LMCN 275191.09 3495143.50 31.46

ENG6 504231.40 3721732.40 28.78

GRIS 281033.47 3719590.18 27.19

HOUM 397729.36 3474618.96 45.16

LWES 510595.83 3592587.48 33.34

15055 GIWW 454938.06 3660221.23 5.53

BA01 SM 05 479413.86 3648793.33 0.45

PROJECT REFERENCE CONTROL COORDINATE LISTING

POINT NORTHING EASTING ELEVATION

TBM-1 499730.22 3626609.39 2.14

5. SURVEY CONTROL EMPLOYED DURING CONSTRUCTION SHALL MATCH CONTROL

PUBLISHED IN THESE CONTRACT DOCUMENTS. NO OTHER SURVEY CONTROL SHALL

BE CONSIDERED. TO MAINTAIN CONSISTENCY BETWEEN PROJECT DESIGN AND

CONSTRUCTED WORK, UPDATES, CORRECTIONS OR OTHER CHANGES PUBLISHED BY

NGS AND/OR OTHER ENTITIES FOR THESE CONTROL MONUMENTS SHALL NOT BE

APPLIED.

6. EXCEPT AS NOTED OTHERWISE, SPOT ELEVATIONS AND SURVEY TRANSECTS ARE

BASED ON SURVEYS CONDUCTED BY FENSTERMAKER DURING JANUARY 2019.

7. USGS GAGE STATION 2951190901217 WAS USED TO GATHER HISTORICAL WATER

LEVEL RECORDS DUE TO THE PROJECT AREA AND DATABASE AVAILABILITY. IT IS

LOCATED IN LAKE CATAOUATCHE AT WHISKEY CANAL AT N29·51'19" AND W90.12'17".

TIDAL DATUMS AT LAKE CATAOUATCHE

(USGS 2951190901217)

DATUM ELEVATION. FT NAVD88

MHW 1.36

MWL 1.17

MLW 0.98

QUANTITY NOTES:

1 . WHERE THE QUANTITY OF WORK WITH RESPECT TO ANY ITEM IS COVERED BY

A UNIT PRICE, SUCH QUANTITIES ARE ESTIMATED QUANTITIES TO BE USED

WHEN COMPARING BIDS AND THE RIGHT IS RESERVED BY OWNER TO

INCREASE/DECREASE SUCH QUANTITIES AS MAY BE NECESSARY TO COMPLETE

THE WORK AND/OR REMAIN WITHIN THE FUNDING LIMITS. REFER TO

PARAGRAPH 1.41 IN SECTION 01 27 00 - DEFINITION OF CONTRACT LINE

ITEMS.

2. MOBILIZATION AND DEMOBILIZATION SHALL INCLUDE ALL APPROPRIATE COSTS

ASSOCIATED WITH CONSTRUCTING ALL FEATURES LISTED IN THE SPECIFICATIONS

AND/OR SHOWN IN THE PLANS.

QUANTITIES

BID ITEM NO. BID ITEM DESCRIPTION UNITS QUANTl1Y

1 MOBILIZATION & DEMOBILIZATION LS 1

2 SURVEYING LS 1

3 ARMOR STONE US TON 48 053

4 BEDDING STONE US TON 19 009

5 FILTER STONE US TON 21 919

6 ENCAPSULATED LIGHT-WEIGHT CU YD 5 996 AGGREGATE

7 SETTLEMENT PLATES EA 14

8 GEOGRID COMPOSITE SY 72 763

9 GEOTEXTILE SHROUD SY 57 840

10 EXCAVATION AND SPOIL VOLUME CU YD 72 122

TEMPORARY AIDS TO NAVIGATION

EA 23 11 (SIGNS/DAY BEACONS)

PERMANENT AIDS TO NAVIGATION

12 (SIGNS/DAY BEACONS) EA 46

PERMANENT AIDS TO NAVIGATION

EA 0 (BUOYS)

ABBREVIATIONS

ABBREVIATION DEFINITION

NHP NATIONAL HISTORIC PARK

PMIS PROJECT MANAGEMENT INFORMATION SYSTEM

LWAC LIGHT WEIGHT AGGREGATE CORE

LWA LIGHT WEIGHT AGGREGATE

NAVD NORTH AMERICAN VERTICAL DATUM

NAD'83 NORTH AMERICAN DATUM OF 1983

MLW MEAN LOW WATER

MWL MEAN WATER LEVEL

MHW MEAN HIGH WATER

NGS NATIONAL GEODETIC SURVEY

USGS UNITED STATES GEOLOGIC SURVEY

USCG UNITED STATES COAST GUARD

GRR GRADED RIP RAP

SAY SUBMERGED AQUATIC VEGETATION

NTS NOT TO SCALE

CCA CHROMATED COPPER ARSENATE

HDG HOT DIP GALVANIZATION

NPS NATIONAL PARK SERVICE

TBD TO BE DETERMINED

DESIGNED: SUB SHEET NO. TITLE OF SHEET DRAWING NO.

RLW GENERAL NOTES &

IM.·1•1•1 167808

ESTIMATED BID QUANTITIES SRH PMIS/PKG NO.

TECH. REVIEW: JELA 251674

Stantec

TAC SHEET

DATE:

2 OF 31 5/6/2022 JEAN LAFITTE N.H.P. & PRESERVE

LAKE SALVADOR

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