Attachment_5_-_Final_Drawings.pdf
PDF 35 MB Posted
- Solicitation number
- 140P3022R0021
About this file
This document outlines a federal contract opportunity for repair work at Chesapeake and Ohio Canal National Historical Park. The solicitation number is 140P3022R0021 and is being issued by the Department of the Interior National Park Service National Office to complete repairs to the Level 33 Wall and Roadway at Chesapeake and Ohio Canal National Historical Park. Interested parties should review Attachment_5_-_Final_Drawings.pdf for additional details on the scope of work. The opportunity type is listed as a solicitation, suggesting responses will be accepted and evaluated for this repair project at the historical site.
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Text version
ALT
FRONT
ROYAL
TURNPIKE
PENN
FALLS
TAVERN
V.C.
GREAT
CUMBERLAND
V.C.
HQ.
ANTIETAM
CREEK
HANCOCK
V.C.
GEORGETOWN
CANAL NATIONAL HISTORICAL
PARK
CHESAPEAKE AND
OHIO
ROCKVILLE
GAITHERSBURG
ARLINGTON
LEESBURG
WINCHESTER
CUMBERLAND
OLDTOWN
LOCKS
FOUR
HARPERS
CHARLESTOWN FERRY
MARTINSBURG
FREDERICK
HAGERSTOWN
WILLIAMSPORT
HANCOCK
CREEK
MILE
FIFTEEN
MT.
AIRY
WASHINGTON
D.C.
BALTIMORE
COLUMBIA
PENNSYLVANIA
HARRISBURG,
MA
RYL
AN
D
CO
LUM
BIA
DIS
TRI
CT
OF
V
IR
G
IN
IA
SHENANDOAH
AIRPORT
INTERNATIONAL
DULLES
TO 66
RIVER
M
ARYLAND
MEMORIAL
PARKWAY
GEORGE
WASHINGTON
VIRGIN
IA
POOLESVILLE
ROCKS
RIVER
POTOMAC
PAW
PAW
POTOMAC
RIVER
CACAPON
RIVER
BRANCH
SOUTH
POTOMAC
RIVER
TUNNEL
VIR
G
IN
IA
W E S T
VIR
G
IN
IA
RIVER
POTOMAC 40
BOONSBORO
POINT
BRUNSWICK
N.H.S.
FERRY
HARPERS 15
BATTLEFIELD
NATIONAL
ANTIETAM
SHARPSBURG
APPALACHIAN
TRAIL TO
MARYLAND
PENNSYLVANIA
TURNPIKE
RD.
ORLEANS
LITTLE
PENNSYLVANIA
TO
PENNSYLVANIA
TO
TURNPIKE
OF
MEMORIAL
PARKWAY
CLARA
BARTON
HARRISONBURG
WE
ST
VIRGINIA
M
ARYLAND
WASHINGTON
D.C.
WARRENTON
CHARLOTTESVILLE
N.P.
SHENANDOAH
FREDERICKSBURG
CARLISLE
MARYLAND
PENNSYLVANIA
HARRISBURG
BALTIMORE
VIR
GI
NI
AVI
RG
IN
IA
WE
ST
WINCHESTER
VIR
GI
NI
A
MARYLAND
PENNSYLVANIA
FREDERICK
BEDFORD
DEPARTMENT OF THE INTERIOR
UNITED STATES
NATIONAL PARK SERVICE
DENVER SERVICE CENTER OF
PMIS/PKG NO
SHEET
STATEREGION
LOCATION WITHIN PARK
NAME OF PARK
TITLE OF PROJECT DRAWING NO.
146384
COUNTY
A/E FIRMS QE#:
RECOMMENDED:
APPROVED:
Project Manager Date
Superintendent Date
ARCHITECT:
QUINN EVANS
WASHINGTON D.C.
STRUCTURAL:
McMULLAN
LANDSCAPE/CIVIL:
VHB
GEOTECHNICAL:
TERRACON
q u in n e va n s .c o m Q E Q P ro je c ts C H O H W a s te W e ir D w g s R e v it C H O H Le v e l3 R V T T it le b lo c k s .r v t
LEVEL 33 WALL
HARPERS FERRY RD
Chesapeake & Ohio N.H.P.
NAT'L CAPITAL MD
100% CONSTRUCTION
DOCUMENTS
WASHINGTON
42023570
245005
VIRGINIA & MARYLAND
1 29
LEGEND
V.C.
HQ.
CHESAPEAKE AND OHIO CANAL NATIONAL HISTORICAL PARK
SCALE OF MILES
SCALE OF KILOMETERS
5 0
15105
5 10
AIRPORT
INFORMATION CENTER
RANGER STATION
RIVER
CANAL AND
TOWPATH
STATE
LINE
PARK HEADQUARTERS
VISITOR CENTER
TRAIL
SCALE OF MILES
022 22
CHOH LEVEL 33 WALLS
PROJECT LOCATION
gjohn Snapshot
DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEETA/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
WASHINGTON
D.C.
ARCHITECT:
DRAWING NO.
245005G01 3/18/22
SHEET LIST
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
1 29
SHEET # TITLE OF SHEET
G00 COVER SHEET
G01 SHEET LIST
G1.0 STAGING AND ACCESS PLAN KEYMAP
G1.1 STAGING AND ACCESS PLAN
G2.0 DETOUR PLAN
C1.0 EROSION & SEDIMENT CONTROL PLAN - 1
C2.0 EROSION & SEDIMENT CONTROL PLAN - 2
C3.0 EROSION & SEDIMENT CONTROL PLAN - 3
C4.0 EROSION & SEDIMENT CONTROL DETAILS - 1
C4.1 EROSION & SEDIMENT CONTROL DETAILS - 2
C5.0 EROSION & SEDIMENT CONTROL NOTES
TT1.0 SURVEY ALIGNMENT EXHIBIT
S0.1 DESIGN NOTES
S1.0 EXISTING WALL PLAN
S1.1 EXISTING WALL SECTION
S1.2 EXISTING WALL ELEVATION
S1.3 NEW WORK PLAN
S3.0 PHASING
S4.0 WALL SECTION C
S4.1 WALL SECTION C.1
S4.2 WALL SECTION D
S4.3 WALL SECTION D.1
S4.4 WALL SECTION E
S4.5 WALL SECTION F
S4.6 WALL SECTION G
S4.7 WALL SECTION H
S4.8 LONG WALL SECTION
S6.0 ELEVATIONS
S6.1 DETAILS
gjohn Snapshot
METAL GUARDRAIL
POST (TYP.)
PROBE 2
PROBE 1
PROBE 1B
PROBE 2B
ASPHALT
PATCH
ASPHALT
ASPHALT
ASPHALT
METAL GUARDRAIL
POST (TYP.)
METAL GUARDRAIL
POST (TYP.)
GRAVEL GRAVEL
STONE WALL
STONE WALL
STONE WALL
12" RCP
INV=275.49
12" RCP
INV=274.78
12" RCP
INV=277.05
12" RCP
INV=278.26
12" CPP
INV=258.32
UTILITY POLE
UTILITY POLE
UTILITY POLE
UTILITY POLE
UTILITY POLE
UTILITY POLE
OVERHEAD
WIRE (TYP.) OVERHEAD
WIRE (TYP.)
OVERHEAD
WIRE (TYP.)
METAL GUARDRAIL
(TYP.)
METAL GUARDRAIL
(TYP.)
METAL GUARDRAIL
(TYP.)
C&O CANAL
C&O CANAL
C&O CANAL
CONSTRUCTION RAMP
TO CANAL PRISM
HARPERS FERRY ROAD
HO
FF
MA
ST
ER
R
OA
D
HARPERS FERRY ROAD
HARPERS FERRY ROADHO
FF
MA
ST
ER
R
OA
D
HARPERS FERRY ROAD
X
X
X
X X X X
DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
04/22/2022
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
WASHINGTON
D.C.
CIVIL:
DRAWING NO.
245005
ST
ATE OF MARYLANDJA
MES R. LONG
PROFESS I ONA L ENG I NEERREG I S T ERED
NO . 16 03 9
PROFESSIONAL CERTIFICATION
NOTES
AB
AB G1.0TS
STAGING AND ACCESS
PLAN KEYMAP
LEGEND
LIMITS OF DISTURBANCE
STAGING AND ACCESS LIMITS
SAFETY FENCE
STAGING AND STOCKPILE AREA
WALL IMPROVEMENTS (SEE STRUCTURAL
PLANS)
CONSTRUCTION RELATED EQUIPMENT
AND VEHICLE PATH
X
1. USE THE STOCKPILE AREA WITHIN EXISTING CANAL PRISM, SHOWN ON THE PLANS,
FOR DAILY CONSTRUCTION OPERATIONS AND STORAGE.
2. CONTRACTOR SHALL PROVIDE VISUAL PRE-CONSTRUCTION INSPECTION OF EXISTING
FEATURES ALONG ACCESS ROUTE AND ADJACENT TO EXISTING WORK AREA DUE TO
CONSTRUCTION ACTIVITIES. ANY PROTECTIVE MEASURES SHALL BE SUBMITTED FOR
NPS APPROVAL PRIOR TO IMPLEMENTATION. FEATURES OF INTEREST INCLUDE, BUT
NOT LIMITED TO; EXISTING TOWPATH, ACCESS GATES, CANAL EMBANKMENTS, LOCK
#34 COMPLEX (LIFT LOCK, FLUME, WELL, WAYSIDES, ETC.) STONE REVETMENTS
SUPPORTING THE TOWPATH, TREES ADJACENT TO WORK AREAS, DRAINAGE
CULVERTS, BRIDGES, EXISTING PAVEMENTS, AND OTHERS. UPON COMPLETION OF
CONSTRUCTION ACTIVITIES, A POST-CONSTRUCTION INSPECTION OF THE EXISTING
FEATURES WILL BE COMPLETED FOR COMPARISON TO THE PRE-CONSTRUCTION
CONDITIONS. CONDITIONS SHALL BE DOCUMENTED USING PHOTOGRAPHS WITH
HORIZONTAL AND VERTICAL SCALES. REPAIR OF ANY DAMAGED AREAS/FEATURES
WILL BE ACCOMPLISHED BY THE CONTRACTOR AT NO ADDITIONAL COST TO THE
GOVERNMENT, VIA APPROVED REPAIR PLAN.
3. CONFINE OPERATIONS TO WORK LIMITS OF PROJECT. PREVENT DAMAGE TO NATURAL
SURROUNDINGS. RESTORE DAMAGED AREAS OUTSIDE WORK LIMITS, REPAIR OR
REPLACE DAMAGED TREES AND PLANTS, AT NO ADDITIONAL EXPENSE TO NPS.
PROVIDE TEMPORARY BARRIERS TO PROTECT EXISTING TREES, PLANTS, AND ROOT
ZONES THAT WILL REMAIN IN PLACE. DO NOT REMOVE, INJURE, OR DESTROY TREES
OR OTHER PLANTS WITHOUT PRIOR APPROVAL. CONSULT WITH CONTRACTING
OFFICER AND REMOVE ROOTS AND BRANCHES INTERFERING WITH CONSTRUCTION.
TO PREVENT DAMAGE, CAREFULLY SUPERVISE EXCAVATION, GRADING, BACKFILLING,
AND OTHER CONSTRUCTION OPERATIONS NEAR TREES AND PLANTS. WHERE
EXISTING BRANCHES OF TREES EXTEND INTO THE CONSTRUCTION ACCESS ROUTE
OR WORK AREAS, THE CONTRACTOR SHALL IDENTIFY THE BRANCHES OF CONCERN.
THE CONTRACTOR SHALL SUBMIT THE LOCATIONS AND METHODS FOR REMOVAL FOR
APPROVAL TO THE CONTRACTING OFFICER TO PRUNE LIMBS INTERFERING WITH
INTENDED EQUIPMENT ACCESS. PRUNING IS CONSIDERED TO BE INCIDENTAL TO
PROJECT MOBILIZATION/DEMOBILIZATION COSTS. IF PRUNING IS DETERMINED TO BE
REQUIRED, TREES SHALL BE ASSESSED BY A CURRENT ISA CERTIFIED ARBORIST OR
ISA BOARD CERTIFIED MASTER ARBORIST TO DETERMINE THE MOST PRUDENT WORK
PRESCRIPTION. PRUNING FOR CLEARANCE OBJECTIVES SHALL BE PERFORMED TO
THE MINIMAL EXTENT NECESSARY TO FACILITATE THE WORK WHILE MAINTAINING
HEALTH AND AESTHETICS. ALL WORK SHALL BE PERFORMED/COMPLETED IN
ACCORDANCE WITH THE MOST CURRENT VERSION ANSI A300 STANDARDS (PART 1).
ALL PRESCRIBED WORK MUST BE COMPLETED UNDER THE SUPERVISION OF AN ISA
CERTIFIED ARBORIST. HARD LINES ARE PROHIBITED: TREES SHALL BE PRUNED TO
HAVE SOFT AESTHETIC LINES AND A NATURAL FORM TO THE EXTENT POSSIBLE
TREES SHOULD BE PRUNED WITH CONSIDERATION FOR THE HEALTH AND
AESTHETICS OF THE ENTIRE GROUPING, NOT TREES IN SINGULARITY. REASONABLE
SYMMETRY OF FORM AND LINEAR PROGRESSION SHOULD BE MAINTAINED
THROUGHOUT THE GROUPING. ALL DEBRIS AND GREEN WASTE SHALL BE REMOVED
FROM THE PARK BOUNDARY. THE FOLLOWING SHALL BE PROVIDED TO THE
GOVERNMENT:
· SA ARBORIST CERTIFICATION ID NUMBER FOR ASSESSING ARBORIST
· SA ARBORIST CERTIFICATION ID NUMBER FOR ARBORIST SUPERVISING WORK (PRIOR
TO WORK EXECUTION) COPY OF WORK ORDER / WORK PLAN DESCRIBING WORK TO
BE EXECUTED IN ACCORDANCE WITH STANDARDIZED TRADE VERBIAGE (ANSI A300
AND BEST MANAGEMENT PRACTICES) THE NPS ARBORIST WILL APPROVE ANY
REASONABLE WORK PLAN
· CERTIFICATION OF SCHEDULE, COMPLETION, AND COMPLETION PHOTO(S)
4. ACCESS FOR AUTHORIZED VEHICLES SHALL BE MAINTAINED ON THE TOWPATH AT ALL
TIMES. ACCESS FOR PEDESTRIANS SHALL BE MAINTAINED ON THE TOWPATH AT ALL
TIMES. DURING CRITICAL ACTIVITIES THROUGH TRAFFIC ON THE TOWPATH MAY BE
PAUSED FOR UP TO 15-MINUTE INTERVALS.
5. ANY DRIVING ON THE TOWPATH MUST COMPLY WITH THE MOST RECENT VERSION OF
THE NPS C&O CANAL NHP SAFETY OFFICER MEMO FOR TOWPATH DRIVING. NOTABLE
ITEMS ARE HIGHLIGHTED BELOW:
· THE MAXIMUM SPEED FOR ANY VEHICLE ON THE TOWPATH IS 15MPH. THIS IS UNDER
IDEAL CONDITIONS WHEN THE TOWPATH IS DRY, THERE ARE NO VISITORS IN THE
AREA, AND YOU HAVE CLEAR VISIBILITY ON BOTH SIDE OF THE TOWPATH FOR AT
LEAST 200' IN FRONT OF YOU. IF ANY OF THESE CONDITIONS DON'T EXIST, SLOW
DOWN.
· WHEN POSSIBLE, AVOID DRIVING ON THE TOWPATH WHEN SNOW COVERED, ICY, OR
MUDDY. ANY DAMAGE TO THE TOWPATH WILL BE REPAIRED BY THE CONTRACTOR AT
NO ADDITIONAL EXPENSE TO THE GOVERNMENT.
· SEATBELTS SHALL BE WORN AT ALL TIMES.
· YIELD TO ALL VISITORS ON THE TOWPATH.
· IF A VISITOR IS COMING TOWARD YOU, YOU MUST PULL OVER AND COME TO A FULL
STOP UNTIL THE VISITOR IS COMPLETELY CLEAR OF YOUR VEHICLE.
· IF YOU ARE APPROACHING A VISITOR TRAVELING IN THE SAME DIRECTION, US A
SLIGHT TAP OF THE HORN TO NOTIFY THEM THAT YOU ARE COMING UP. WAIT FOR
THE VISITOR TO STEP OFF THE TOWPATH TO ALLOW YOU TO PROCEED AND DO SO AT
A VERY SLOW SPEED.
· IF YOU MUST PARK ON THE TOWPATH, PULL OVER AS FAR AS YOU CAN. FOLD IN YOUR
MIRRORS AND KEEP DOORS SHUT EXCEPT TO EXIT AND ENTER VEHICLE.
· THIS PROJECT AREA HAS LIMITED COMMUNICATION CAPABILITIES - DEFINE
ALTERNATE MEANS TO COMMUNICATE BETWEEN VEHICLES IF NO CELL PHONE
COVERAGE EXISTS.
5. CONTRACTOR SHALL BE RESPONSIBLE FOR SITE SECURITY DURING CONSTRUCTION.
CONTRACTOR TO COORDINATE WITH THE CO REGARDING KEYS. CONTRACTOR SHALL
ENSURE ALL ENTRANCES ARE LOCKED WHEN THEY ARE NOT BEING ATTENDED
DURING CONSTRUCTION. CONTRACTOR SHALL SECURE ALL LOOSE EQUIPMENT IN
STORAGE BINS OR OTHER SECURE FACILITIES AT THE END OF EACH WORK DAY.
6. DURING TRANSPORT OF EQUIPMENT AND MATERIALS OUTSIDE OF THE IMMEDIATE
WORK AREA ALONG OPEN PORTIONS OF TOWPATH CONSTRUCTION VEHICLES WILL
HAVE SHARED USAGE WITH PEDESTRIANS. ANY VEHICLES LARGER THAN A PICKUP
TRUCK ARE REQUIRED TO HAVE FLAGGERS/ESCORTS PROVIDED BY THE
CONTRACTOR TO ENSURE PEDESTRIAN SAFETY.
7. CONTRACTOR TO PROTECT CANAL PRISM AND WALLS WITH EROSION CONTROL
PRACTICES TO ENSURE NO CONTAMINATION TO THE STREAM AND DOWNSTREAM
RIVER DURING ALL PHASES OF CONSTRUCTION.
8. FOR THE TEMPORARY AREAS NOTED ON THE PLAN, INSTALL TEMPORARY STAGING,
AND PEDESTRIAN ACCESS WITH MINIMUM 6" OF CR-6 STONE DIRECTLY OVER
GEOTEXTILE FABRIC. AFTER COMPLETION OF CONSTRUCTION, REMOVE GRAVEL AND
GEOTEXTILE AND RESEED.
9. SEE SHEETS C1.0, C2.0, AND C3.0 FOR EROSION AND SEDIMENT CONTROL MEASURES.
10.CONTRACTOR SHALL RETURN SITE TO PRE-CONSTRUCTION CONDITIONS FOR ANY
AREAS USED FOR STAGING AND OTHER CONSTRUCTION OPERATIONS.
11.CONTRACTOR TO OBTAIN APPLICABLE WASHINGTON COUNTY PERMITS FOR
CONSTRUCTION ACTIVITIES IN THE POTENTIAL SHORT TERM CRANE OPERATIONS AND
STAGING AREAS. CONTRACTOR SHALL PROVIDE MAINTENANCE OF TRAFFIC FOR
WORK WITHIN HARPERS FERRY ROAD. IF AREAS ARE TO BE UTILIZED, COORDINATION
WITH NPS CO IS REQUIRED.
12.CONTRACTOR SHALL ENSURE ALL MATERIALS USED FOR THE RECONSTRUCTION AND
BACKFILL OF HARPERS FERRY ROAD WILL MEET MINIMUM MARYLAND DEPARTMENT
OF TRANSPORTATION REQUIREMENTS FOR CONSTRUCTION AND MATERIALS EXCEPT
FOR MEASUREMENT AND PAYMENT PROVISION.
CONTRACTOR TO PROVIDE
TYPE III BARRICADE, PADLOCK
VEHICULAR GATE, AND ROAD
CLOSED SIGNAGE
CONTRACTOR SHALL
MAINTAIN ACCESS TO
EMERGENCY BOAT RAMP AT
ALL TIMES
NPS-CHOH
LEVEL-33-1-2021
N=607040.8327 E=1104241.4120
EL=268.80
NPS-CHOH
LEVEL-33-2-2021
N=606990.5123 E=1104280.2150
EL=268.16
NPS-CHOH
LEVEL-33-3-2021
N=606960.0384 E=1104309.2682
EL=268.16
METAL GUARDRAIL
POST (TYP.)
PROBE 2
PROBE 1
PROBE 1B
PROBE 2B
ASPHALT
PATCH
ASPHALT
ASPHALT
ASPHALT
METAL GUARDRAIL
POST (TYP.)
METAL GUARDRAIL
POST (TYP.)
GRAVEL GRAVEL
STONE WALL
STONE WALL
STONE WALL
280 281
283282
6 28
5 28
1 28
7 27 6 27 5 274
263 26
265266267268 264263
266 265
12" RCP
INV=275.49
12" RCP
INV=277.05
12" RCP
INV=278.26
12" CPP
INV=258.32
UTILITY POLE
UTILITY POLE
UTILITY POLE
UTILITY POLE
UTILITY POLE OVERHEAD
WIRE (TYP.) OVERHEAD
WIRE (TYP.)
OVERHEAD
WIRE (TYP.)
TOP OF BANK
TOP OF BANK
TOE OF SLOPE
TOE OF SLOPE
TOE OF SLOPE
TOE OF SLOPE
TOE OF SLOPE
TOE OF SLOPE
METAL GUARDRAIL
(TYP.)
METAL GUARDRAIL
(TYP.)
METAL GUARDRAIL
(TYP.)
C&O CANAL
C&O CANAL
C&O CANAL
CONSTRUCTION RAMP
TO CANAL PRISM
HARPERS FERRY ROAD
STAGING AND
ACCESS LIMITS
PROVIDE ADVANCE
WARNING SIGNAGE
FOR "TOWPATH
CONSTRUCTION
AHEAD"
POSSIBLE TEMPORARY
CONSTRUCTION TRAILER
AREA
X
X
CONTRACTOR TO
PROVIDE TYPE III
BARRICADE, PAD LOCK
GATE, AND SIGNAGE FOR
"ROAD CLOSED FOR
CONSTRUCTION"
STAGING AND
ACCESS LIMITS
EXISTING JERSEY BARRIERS TO BE
REMOVED OR RELOCATED. IF AREA
IS TO BE USED FOR STAGING,
JERSEY BARRIERS SHALL BE
REPLACED AT THE COMPLETION OF
THE WORK
LIMIT OF
DISTURBANCE
AREA TO BE USED FOR
CREW PARKING
X X X X X X X X X
CONTRACTOR TO
PROVIDE TYPE III
BARRICADE AND
"BRIDGE CLOSED" SIGN
APPROXIMATE
LOCATIONS OF
EXISTING CULVERTS
NO STOCKPILING OF HEAVY MATERIALS WITHIN LIMITS OF WALL
IMPROVEMENTS. CONTRACTOR SHALL SUBMIT A FORMAL REQUEST
IN WRITING TO NPS FOR APPROVAL OF ANY STAGING OR
STOCKPILING OF MATERIALS OR EQUIPMENT IN OTHER AREAS
ADJACENT TO THE WALL IMPROVEMENTS AND ALONG HARPERS
FERRY ROAD.
CONTRACTOR TO
MAINTAIN 8' CLEAR ZONE
FOR VEHICULAR TRAFFIC
THROUGHOUT
CONSTRUCTION
EMS ACCESS SHALL BE
MAINTAINED AFTER
CONCRETE INSTALLATION
CONTRACTOR SHALL
KEEP EXISTING OUTFALL
PIPE CLEAR OF DEBRIS
DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
04/22/2022
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
WASHINGTON
D.C.
CIVIL:
DRAWING NO.
245005
ST
ATE OF MARYLANDJA
MES R. LONG
PROFESS I ONA L ENG I NEERREG I S T ERED
NO . 16 03 9
PROFESSIONAL CERTIFICATION
NOTES
AB
AB G1.1TS
STAGING AND ACCESS
PLAN
LEGEND
LIMITS OF DISTURBANCE
STAGING AND ACCESS LIMITS
SAFETY FENCE
STAGING AND STOCKPILE AREA
WALL IMPROVEMENTS (SEE STRUCTURAL
PLANS)
CONSTRUCTION RELATED EQUIPMENT
AND VEHICLE PATH
X
1. USE THE STOCKPILE AREA WITHIN EXISTING CANAL PRISM, SHOWN ON THE PLANS,
FOR DAILY CONSTRUCTION OPERATIONS AND STORAGE.
2. CONTRACTOR SHALL PROVIDE VISUAL PRE-CONSTRUCTION INSPECTION OF EXISTING
FEATURES ALONG ACCESS ROUTE AND ADJACENT TO EXISTING WORK AREA DUE TO
CONSTRUCTION ACTIVITIES. ANY PROTECTIVE MEASURES SHALL BE SUBMITTED FOR
NPS APPROVAL PRIOR TO IMPLEMENTATION. FEATURES OF INTEREST INCLUDE, BUT
NOT LIMITED TO; EXISTING TOWPATH, ACCESS GATES, CANAL EMBANKMENTS, LOCK
#34 COMPLEX (LIFT LOCK, FLUME, WELL, WAYSIDES, ETC.) STONE REVETMENTS
SUPPORTING THE TOWPATH, TREES ADJACENT TO WORK AREAS, DRAINAGE
CULVERTS, BRIDGES, EXISTING PAVEMENTS, AND OTHERS. UPON COMPLETION OF
CONSTRUCTION ACTIVITIES, A POST-CONSTRUCTION INSPECTION OF THE EXISTING
FEATURES WILL BE COMPLETED FOR COMPARISON TO THE PRE-CONSTRUCTION
CONDITIONS. CONDITIONS SHALL BE DOCUMENTED USING PHOTOGRAPHS WITH
HORIZONTAL AND VERTICAL SCALES. REPAIR OF ANY DAMAGED AREAS/FEATURES
WILL BE ACCOMPLISHED BY THE CONTRACTOR AT NO ADDITIONAL COST TO THE
GOVERNMENT, VIA APPROVED REPAIR PLAN.
3. CONFINE OPERATIONS TO WORK LIMITS OF PROJECT. PREVENT DAMAGE TO NATURAL
SURROUNDINGS. RESTORE DAMAGED AREAS OUTSIDE WORK LIMITS, REPAIR OR
REPLACE DAMAGED TREES AND PLANTS, AT NO ADDITIONAL EXPENSE TO NPS.
PROVIDE TEMPORARY BARRIERS TO PROTECT EXISTING TREES, PLANTS, AND ROOT
ZONES THAT WILL REMAIN IN PLACE. DO NOT REMOVE, INJURE, OR DESTROY TREES
OR OTHER PLANTS WITHOUT PRIOR APPROVAL. CONSULT WITH CONTRACTING
OFFICER AND REMOVE ROOTS AND BRANCHES INTERFERING WITH CONSTRUCTION.
TO PREVENT DAMAGE, CAREFULLY SUPERVISE EXCAVATION, GRADING, BACKFILLING,
AND OTHER CONSTRUCTION OPERATIONS NEAR TREES AND PLANTS. WHERE
EXISTING BRANCHES OF TREES EXTEND INTO THE CONSTRUCTION ACCESS ROUTE
OR WORK AREAS, THE CONTRACTOR SHALL IDENTIFY THE BRANCHES OF CONCERN.
THE CONTRACTOR SHALL SUBMIT THE LOCATIONS AND METHODS FOR REMOVAL FOR
APPROVAL TO THE CONTRACTING OFFICER TO PRUNE LIMBS INTERFERING WITH
INTENDED EQUIPMENT ACCESS. PRUNING IS CONSIDERED TO BE INCIDENTAL TO
PROJECT MOBILIZATION/DEMOBILIZATION COSTS. IF PRUNING IS DETERMINED TO BE
REQUIRED, TREES SHALL BE ASSESSED BY A CURRENT ISA CERTIFIED ARBORIST OR
ISA BOARD CERTIFIED MASTER ARBORIST TO DETERMINE THE MOST PRUDENT WORK
PRESCRIPTION. PRUNING FOR CLEARANCE OBJECTIVES SHALL BE PERFORMED TO
THE MINIMAL EXTENT NECESSARY TO FACILITATE THE WORK WHILE MAINTAINING
HEALTH AND AESTHETICS. ALL WORK SHALL BE PERFORMED/COMPLETED IN
ACCORDANCE WITH THE MOST CURRENT VERSION ANSI A300 STANDARDS (PART 1).
ALL PRESCRIBED WORK MUST BE COMPLETED UNDER THE SUPERVISION OF AN ISA
CERTIFIED ARBORIST. HARD LINES ARE PROHIBITED: TREES SHALL BE PRUNED TO
HAVE SOFT AESTHETIC LINES AND A NATURAL FORM TO THE EXTENT POSSIBLE
TREES SHOULD BE PRUNED WITH CONSIDERATION FOR THE HEALTH AND
AESTHETICS OF THE ENTIRE GROUPING, NOT TREES IN SINGULARITY. REASONABLE
SYMMETRY OF FORM AND LINEAR PROGRESSION SHOULD BE MAINTAINED
THROUGHOUT THE GROUPING. ALL DEBRIS AND GREEN WASTE SHALL BE REMOVED
FROM THE PARK BOUNDARY. THE FOLLOWING SHALL BE PROVIDED TO THE
GOVERNMENT:
· SA ARBORIST CERTIFICATION ID NUMBER FOR ASSESSING ARBORIST
· SA ARBORIST CERTIFICATION ID NUMBER FOR ARBORIST SUPERVISING WORK (PRIOR
TO WORK EXECUTION) COPY OF WORK ORDER / WORK PLAN DESCRIBING WORK TO
BE EXECUTED IN ACCORDANCE WITH STANDARDIZED TRADE VERBIAGE (ANSI A300
AND BEST MANAGEMENT PRACTICES) THE NPS ARBORIST WILL APPROVE ANY
REASONABLE WORK PLAN
· CERTIFICATION OF SCHEDULE, COMPLETION, AND COMPLETION PHOTO(S)
4. ACCESS FOR AUTHORIZED VEHICLES SHALL BE MAINTAINED ON THE TOWPATH AT ALL
TIMES. ACCESS FOR PEDESTRIANS SHALL BE MAINTAINED ON THE TOWPATH AT ALL
TIMES. DURING CRITICAL ACTIVITIES THROUGH TRAFFIC ON THE TOWPATH MAY BE
PAUSED FOR UP TO 15-MINUTE INTERVALS.
5. ANY DRIVING ON THE TOWPATH MUST COMPLY WITH THE MOST RECENT VERSION OF
THE NPS C&O CANAL NHP SAFETY OFFICER MEMO FOR TOWPATH DRIVING. NOTABLE
ITEMS ARE HIGHLIGHTED BELOW:
· THE MAXIMUM SPEED FOR ANY VEHICLE ON THE TOWPATH IS 15MPH. THIS IS UNDER
IDEAL CONDITIONS WHEN THE TOWPATH IS DRY, THERE ARE NO VISITORS IN THE
AREA, AND YOU HAVE CLEAR VISIBILITY ON BOTH SIDE OF THE TOWPATH FOR AT
LEAST 200' IN FRONT OF YOU. IF ANY OF THESE CONDITIONS DON'T EXIST, SLOW
DOWN.
· WHEN POSSIBLE, AVOID DRIVING ON THE TOWPATH WHEN SNOW COVERED, ICY, OR
MUDDY. ANY DAMAGE TO THE TOWPATH WILL BE REPAIRED BY THE CONTRACTOR AT
NO ADDITIONAL EXPENSE TO THE GOVERNMENT.
· SEATBELTS SHALL BE WORN AT ALL TIMES.
· YIELD TO ALL VISITORS ON THE TOWPATH.
· IF A VISITOR IS COMING TOWARD YOU, YOU MUST PULL OVER AND COME TO A FULL
STOP UNTIL THE VISITOR IS COMPLETELY CLEAR OF YOUR VEHICLE.
· IF YOU ARE APPROACHING A VISITOR TRAVELING IN THE SAME DIRECTION, US A
SLIGHT TAP OF THE HORN TO NOTIFY THEM THAT YOU ARE COMING UP. WAIT FOR
THE VISITOR TO STEP OFF THE TOWPATH TO ALLOW YOU TO PROCEED AND DO SO AT
A VERY SLOW SPEED.
· IF YOU MUST PARK ON THE TOWPATH, PULL OVER AS FAR AS YOU CAN. FOLD IN YOUR
MIRRORS AND KEEP DOORS SHUT EXCEPT TO EXIT AND ENTER VEHICLE.
· THIS PROJECT AREA HAS LIMITED COMMUNICATION CAPABILITIES - DEFINE
ALTERNATE MEANS TO COMMUNICATE BETWEEN VEHICLES IF NO CELL PHONE
COVERAGE EXISTS.
5. CONTRACTOR SHALL BE RESPONSIBLE FOR SITE SECURITY DURING CONSTRUCTION.
CONTRACTOR TO COORDINATE WITH THE CO REGARDING KEYS. CONTRACTOR SHALL
ENSURE ALL ENTRANCES ARE LOCKED WHEN THEY ARE NOT BEING ATTENDED
DURING CONSTRUCTION. CONTRACTOR SHALL SECURE ALL LOOSE EQUIPMENT IN
STORAGE BINS OR OTHER SECURE FACILITIES AT THE END OF EACH WORK DAY.
6. DURING TRANSPORT OF EQUIPMENT AND MATERIALS OUTSIDE OF THE IMMEDIATE
WORK AREA ALONG OPEN PORTIONS OF TOWPATH CONSTRUCTION VEHICLES WILL
HAVE SHARED USAGE WITH PEDESTRIANS. ANY VEHICLES LARGER THAN A PICKUP
TRUCK ARE REQUIRED TO HAVE FLAGGERS/ESCORTS PROVIDED BY THE
CONTRACTOR TO ENSURE PEDESTRIAN SAFETY.
7. CONTRACTOR TO PROTECT CANAL PRISM AND WALLS WITH EROSION CONTROL
PRACTICES TO ENSURE NO CONTAMINATION TO THE STREAM AND DOWNSTREAM
RIVER DURING ALL PHASES OF CONSTRUCTION.
8. FOR THE TEMPORARY AREAS NOTED ON THE PLAN, INSTALL TEMPORARY STAGING,
AND PEDESTRIAN ACCESS WITH MINIMUM 6" OF CR-6 STONE DIRECTLY OVER
GEOTEXTILE FABRIC. AFTER COMPLETION OF CONSTRUCTION, REMOVE GRAVEL AND
GEOTEXTILE AND RESEED.
9. SEE SHEETS C1.0, C2.0, AND C3.0 FOR EROSION AND SEDIMENT CONTROL MEASURES.
10.CONTRACTOR SHALL RETURN SITE TO PRE-CONSTRUCTION CONDITIONS FOR ANY
AREAS USED FOR STAGING AND OTHER CONSTRUCTION OPERATIONS.
11.CONTRACTOR TO OBTAIN APPLICABLE WASHINGTON COUNTY PERMITS FOR
CONSTRUCTION ACTIVITIES IN THE POTENTIAL SHORT TERM CRANE OPERATIONS AND
STAGING AREAS. CONTRACTOR SHALL PROVIDE MAINTENANCE OF TRAFFIC FOR
WORK WITHIN HARPERS FERRY ROAD. IF AREAS ARE TO BE UTILIZED, COORDINATION
WITH NPS CO IS REQUIRED.
12.CONTRACTOR SHALL ENSURE ALL MATERIALS USED FOR THE RECONSTRUCTION AND
BACKFILL OF HARPERS FERRY ROAD WILL MEET MINIMUM MARYLAND DEPARTMENT
OF TRANSPORTATION REQUIREMENTS FOR CONSTRUCTION AND MATERIALS EXCEPT
FOR MEASUREMENT AND PAYMENT PROVISION.
HARPERS FERRY ROADHO
FF
MA
ST
ER
R
OA
D
HARPERS FERRY ROAD
PROVIDE SIGNAGE FOR
CONSTRUCTION AREA AND
CONSTRUCTION ENTRANCE
LARGE EQUIPMENT MAY ACCESS
SITE VIA HARPER'S FERRY ROAD -
FLAGGERS REQUIRED (15 TON
LOADING LIMIT - TO BE CONFIRMED)
PROVIDE ADVANCE
WARNING SIGNAGE FOR
"TOWPATH CONSTRUCTION
AHEAD - FOLLOW DETOUR"
PROVIDE ADVANCE
WARNING SIGNAGE
FOR "TOWPATH
CONSTRUCTION
AHEAD"
CONTRACTOR TO MAINTAIN 8' CLEAR
ZONE FOR VEHICULAR TRAFFIC
THROUGHOUT CONSTRUCTION
MAINTENANCE OF TRAFFIC TO BE PROVIDED BY
CONTRACTOR FOR PHASED WORK AND CLOSURES.
CONTRACTOR TO PROVIDE TRAFFIC CONTROL PLAN
TO NPS CO & WASHINGTON COUNTY DEPARTMENT
OF PUBLIC WORKS FOR APPROVAL. SEE PROJECT
SPECIFICATIONS FOR FURTHER REQUIREMENTS.
CONTRACTOR TO COORDINATE WITH NPS CO ON
TRAFFIC CONTROL MEASURES REQUIRED FOR
HARPERS FERRY ROAD WORK AND CLOSURES
CONTRACTOR SHALL
MAINTAIN ACCESS TO
EMERGENCY BOAT RAMP AT
ALL TIMES
FLAGGERS REQUIRED
WHEN VEHICLES ARE
UTILIZING THE
TOWPATH (SEE
SHEETS G1.0 AND
G1.1)
ACCESS CONTROL SHALL BE
MAINTAINED AT ALL TIMES TO
PREVENT UNAUTHORIZED ACCESS
TO TOWPATH
DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
04/22/2022
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
WASHINGTON
D.C.
CIVIL:
DRAWING NO.
245005
ST
ATE OF MARYLANDJA
MES R. LONG
PROFESS I ONA L ENG I NEERREG I S T ERED
NO . 16 0 39
PROFESSIONAL CERTIFICATION
AB
AB G2.0TS
DETOUR PLAN
N=607040.8327 E=1104241.4120
EL=268.80
NPS-CHOH
LEVEL-33-2-2021
N=606990.5123 E=1104280.2150
EL=268.16
NPS-CHOH
LEVEL-33-3-2021
N=606960.0384 E=1104309.2682
EL=268.16
METAL GUARDRAIL
POST (TYP.)
PROBE 2
PROBE 1
PROBE 1B
PROBE 2B
ASPHALT
PATCH
ASPHALT
ASPHALT
ASPHALT
METAL GUARDRAIL
POST (TYP.)
METAL GUARDRAIL
POST (TYP.)
GRAVEL GRAVEL
STONE WALL
STONE WALL
STONE WALL
280 281
283282
6 28
5 28
1 28
9 27
7 27 6 27
265266267
264263
266 265
12" RCP
INV=277.05
12" RCP
INV=278.26
12" CPP
INV=258.32
UTILITY POLE
UTILITY POLE
UTILITY POLE
UTILITY POLE OVERHEAD
WIRE (TYP.) OVERHEAD
WIRE (TYP.)
OVERHEAD
WIRE (TYP.)
TOP OF BANK
TOP OF BANK
TOE OF SLOPE
TOE OF SLOPE
TOE OF SLOPE
TOE OF SLOPE
TOE OF SLOPE
METAL GUARDRAIL
(TYP.)
METAL GUARDRAIL
(TYP.)
METAL GUARDRAIL
(TYP.)
C&O CANAL
C&O CANAL
CONSTRUCTION RAMP
TO CANAL PRISM
HARPERS FERRY ROAD
3+31.74
1+00
2+00 3+00
LIMIT OF
DISTURBANCE
CONTRACTOR TO
MAINTAIN 8' CLEAR ZONE
FOR VEHICULAR TRAFFIC
THROUGHOUT
CONSTRUCTION
STAGING AND ACCESS
LIMITS
WHERE ROAD IS RECONSTRUCTED, FINAL
GRADE SHALL MATCH EXISTING GRADE, IN
AREAS WHERE PONDING MAY OCCUR,
CONTRACTOR SHALL PROVIDE POSITIVE
DRAINAGE
UTILITY POLE SHALL BE MAINTAINED
AND PROTECTED AT ALL TIMES
DURING CONSTRUCTION.
CONTRACTOR TO UTILIZE TEMPORARY
SHORING IN THIS AREA
SCE
RPS
RPS
LIMIT OF
DISTURBANCE
BULK SANDBAG, COFFERDAM, OR APPROVED
EQUAL, TO BE SET AT ELEVATION 267.5 OR
APPROXIMATELY 4' HEIGHT. (SEE DETAIL ON
SHEET C4.1)
BULK SANDBAG, COFFERDAM, OR APPROVED
EQUAL, TO BE SET AT ELEVATION 267.5 OR
APPROXIMATELY 4' HEIGHT. (SEE DETAIL ON
SHEET C4.1)
OUTLET
PROTECTION
SCE TO BE PLACED ON EXISTING
EARTHENED RAMP INTO THE
CANAL
BY-PASS PIPE INVERT
ELEVATION = 263.5
DUAL CWD-15 HDPE BY-PASS PIPES
(SEE DETAIL ON SHEET C4.0)
BY-PASS PIPE OUTLET ELEVATION =
261.5
FS FS
FS
FSFS
FS
CONTRACTOR
TO PROVIDE
CONSTRUCTION
VEHICLE WASH
AREA
CONTRACTOR
TO PROVIDE
CONSTRUCTION
VEHICLE WASH
AREA
ANY STOCKPILING OF ERODIBLE
MATERIALS OUTSIDE OF THE PROPOSED
E&S CONTROLS ASSOCIATED WITH THIS
PLAN SHALL BE COVERED WITH
IMPERMEABLE MEMBRANE TO PREVENT
RUNOFF OUTSIDE OF EROSION/SEDIMENT
CONTROLS
TP
SEE NOTE 6
EMS ACCESS SHALL BE
MAINTAINED AFTER
CONCRETE INSTALLATION
EMS ACCESS SHALL BE
MAINTAINED AFTER
CONCRETE INSTALLATION
X X X X X X X X X X X X X X
EXISTING GUARDRAIL TO BE REMOVED AND SALVAGED.
SALVAGED GUARDRAIL AND POSTS TO BE REINSTALLED.
CONTRACTOR TO PROVIDE REPLACEMENT GUARDRAIL
AND POSTS FOR ITEMS CURRENTLY DAMAGED OR
DAMAGED DURING REMOVAL. SPACING BETWEEN
CONCRETE NOTCH AND GUARDRAIL POST TO BE FILLED
WITH COMPACTED AGGREGATE SUBBASE AND STONE.
SEE STRUCTURAL PLANS
FOR NOTCH DETAIL IN
MASS CONCRETE
FB
FS
CONTRACTOR TO PROVIDE EROSIONS AND
SEDIMENT CONTROLS IF ANY ERODIBLE
MATERIALS ARE TO BE STORED UPSLOPE FROM
THE INLET
CONTRACTOR TO REPLACE DOUBLE
YELLOW PAVEMENT MARKINGS. MEETING
MARYLAND DOT APPROVED PAINT
MATERIALS.
10.00'
10.00'
CONTRACTOR TO REPLACE 4" SOLID WHITE
EDGE LINE PER MARYLAND DOT APPROVED
PAINT MATERIALS
PROBE 2
PROBE 1B
ASPHALT
PATCH28
6 28 5 28
1 28
UTILITY POLE
OVERHEAD
WIRE (TYP.)TOE OF SLOPE
2+00 3+00
4 28
2 28 1 28
10.00'
10.00'
STA: 1+91.82
OFF: -2.98'L STA: 2+29.61
OFF: -2.19'L STA: 2+81.09
OFF: -2.12'L
STA: 2+81.58
OFF: 14.34'R
STA: 2+63.99
OFF: 14.98'RSTA: 2+29.60
OFF: 15.12'R
STA: 2+12.41
OFF: 14.13'R
STA: 1+96.87
OFF: 13.50'R
STA: 1+92.18
OFF: 13.57'R
286.47 284.23
279.80
279.73281.05 283.61285.15286.20
286.31
GR 1
GR 2
GR 3
GR 4
GR 5
GR 6
GR 7
GR 8
GR 9
GR 10
GR 11
GR 12
GR 13
GR 14 GR 15
TRANSITION
TO 6'-3"
GUARDRAIL
SPACING
TRANSITION
TO 6'-3"
GUARDRAIL
SPACING
DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
04/22/2022
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
WASHINGTON
D.C.
CIVIL:
DRAWING NO.
245005
ST
ATE OF MARYLANDJA
MES R. LONG
PROFESS I ONA L ENG I NEERREG I S T ERED
NO . 16 0 39
PROFESSIONAL CERTIFICATION
AB
AB C1.0TS
EROSION AND SEDIMENT
CONTROL PLAN - 1
M at ch L in e
Se e
Sh ee tC 2.
M atch Line See Sheet C3.0
2 RPS
FB3
SAF x
SCE
TP
FS
¹
12" RCP
INV=275.49
12" RCP
INV=274.78
UTILITY POLE
UTILITY POLE
TOE OF SLOPE
METAL GUARDRAIL
(TYP.)
C&O CANAL
HO
FF
MA
ST
ER
R
OA
D
CONTRACTOR TO PROVIDE
TYPE III BARRICADE, PAD
LOCK GATE, AND SIGNAGE
FOR "ROAD CLOSED FOR
CONSTRUCTION"
X
CONTRACTOR TO PROVIDE EROSIONS AND
MATERIALS ARE TO BE STORED UPSLOPE FROM
DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
04/22/2022
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
WASHINGTON
D.C.
CIVIL:
DRAWING NO.
245005
ST
ATE OF MARYLANDJA
MES R. LONG
PROFESS I ONA L ENG I NEERREG I S T ERED
NO . 16 0 39
PROFESSIONAL CERTIFICATION
AB
AB C2.0TS
EROSION AND SEDIMENT
CONTROL PLAN - 2
M atch Line
See Sheet C1.0
2 RPS
FB3
SAF x
SCE
TP
FS
UTILITY POLE
OVERHEAD
WIRE (TYP.)
EXISTING JERSEY BARRIERS TO
BE REMOVED OR RELOCATED
AND REPLACED AT THE END
OF CONSTRUCTION.
STAGING AND ACCESS
LIMITS
CONTRACTOR
TO PROVIDE
TYPE III
BARRICADE
AND BRIDGE
CLOSED SIGN
FS
FS
FS
ANY STOCKPILING OF ERODIBLE MATERIALS
OUTSIDE OF THE PROPOSED E&S CONTROLS
ASSOCIATED WITH THIS PLAN SHALL BE
COVERED WITH IMPERMEABLE MEMBRANE TO
PREVENT RUNOFF OUTSIDE OF
EROSION/SEDIMENT CONTROLS
FS
FS
APPROXIMATE
LOCATIONS OF
EXISTING
CULVERTS
APPROXIMATE LOCATION OF EXISTING
CULVERT. CONTRACTOR TO PROVIDE EROSIONS
AND SEDIMENT CONTROLS IF ANY ERODIBLE
MATERIALS ARE TO BE STORED UPSLOPE FROM
THE INLET
APPROXIMATE LOCATION OF EXISTING
CULVERT. CONTRACTOR TO PROVIDE EROSIONS
AND SEDIMENT CONTROLS IF ANY ERODIBLE
MATERIALS ARE TO BE STORED UPSLOPE FROM
THE INLET
CONTRACTOR TO PROVIDE
TYPE III BARRICADE, PAD
LOCK GATE, AND SIGNAGE
FOR "ROAD CLOSED FOR
CONSTRUCTION"
X
X
X
DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
04/22/2022
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
WASHINGTON
D.C.
CIVIL:
DRAWING NO.
245005
ST
ATE OF MARYLANDJA
MES R. LONG
PROFESS I ONA L ENG I NEERREG I S T ERED
NO . 16 0 39
PROFESSIONAL CERTIFICATION
AB
AB C3.0TS
EROSION AND SEDIMENT
CONTROL PLAN - 3
M at ch L in e
Se e
Sh ee tC 1.0
2 RPS
FB3
SAF x
SCE
TP
FS
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
04/22/2022
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
WASHINGTON
D.C.
CIVIL:
DRAWING NO.
245005
ST
ATE OF MARYLANDJA
MES R. LONG
PROFESS I ONA L ENG I NEERREG I S T ERED
NO . 16 0 39
PROFESSIONAL CERTIFICATION
DETAIL F-1 REMOVABLE PUMPING STATION
AB
AB C4.0TS
EROSION AND SEDIMENT
CONTROL DETAILS - 1
Bulk Sandbag Type Cofferdam Detail N.T.S. Source: VHB
EXISTING
GRADE
MINIMUM SANDBAG
SIZE 3'X3'X3' WITH
ENCLOSED TOP
IMPERMEABLE
MEMBRANE
SAND BAGS TO ANCHOR
IMPERMEABLE MEMBRANE
NOTES
1. CONTRACTOR SHALL USE CARE DURING EXCAVATION AS TO NOT
DAMAGE CANAL PRISM FLOOR.
2. CONTRACTOR SHALL UTILIZE BULK BAG TYPE COFFERDAM INSTALLED
PER MANUFACTURER'S RECOMMENDATIONS OR APPROVED EQUAL
3. HAUNCHES OF PIPE SHALL BE SEALED USING SMALLER SANDBAGS OR
OTHER APPROVED MEANS TO MITIGATE LEAKAGE.
APPROXIMATE WATER
SURFACE ELEVATION
OF 2-YEAR STORM
(UPSTREAM ONLY)
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
04/22/2022
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
WASHINGTON
D.C.
CIVIL:
DRAWING NO.
245005
ST
ATE OF MARYLANDJA
MES R. LONG
PROFESS I ONA L ENG I NEERREG I S T ERED
NO . 16 0 39
PROFESSIONAL CERTIFICATION
AB
AB C4.1TS
EROSION AND SEDIMENT
CONTROL DETAILS - 2
Tree Protection Fence N.T.S.
EXISTING GRADE
TREE TO BE
PROTECTED
TREE PROTECTION FENCE
SILT FENCE TO BE INSTALLED ON GRADE WITH
NO TRECH, MATTING TO BE INSTALLED OVER
SILT FABRICAND ANCHORED BY MINIMUM 12
IN. LANDSCAPE NAILS @ 12 FT O.C. SECOND
LAYER OF SILT FABRIC TO BE INSTALLED ON TOP
OF MATTING.
ROOT PROTECTION MATTING ANCHORED
BY 12 IN. LANDSCAPE NAILS @AVERAGE SPACING
6 IN. WOOD CHIP MULCH
TREE PROTECTION FENCE
CONSTRUCTION SPECIFICATIONS
1. MATTING MATERIALS MUST BE DOUBLE SIDED GEOCOMPOSITE,
GEONET CORE WITH NON-WOVEN COVERING (SUCH AS TENSAR
ROADRAIN RD7).
2. INSTALL ROOT PROTECTION MATTING BY A CERTIFIED ARBORIST.
3. TO BE USED FOR DESIGNATED TEMPORARY CONSTRUCTION
ACCESS AND STOCKPILE AREAS.
4. PLACE MATTING ON 6 IN. WOOD CHIP MULCH UNLESS
OTHERWISE DIRECTED.
5. FOR HEAVY TRAFFIC AREAS, COVER MATTING WITH STEEL PLATES.
ROOTS TO REMAIN
SECTION VIEW
SECTION VIEW
STANDARD
SYMBOL
Bituminous Concrete Pavement Sections N.T.S. Source: VHB LD_430
03/22
NOTES
1. PAVEMENT SECTION WAS PROVIDED BY WASHINGTON COUNTY.
2. PAVEMENT SECTIONS ARE SUBJECT TO CHANGE BASED ON THE RESULTS OF
FURTHER GEOTECHNICAL INVESTIGATIONS AND SITE CONDITIONS.
TOP OF BEDROCK OR
MASS CONCRETE
POUR
PAVEMENT SECTION
4.0" HOT MIX ASPHALT
BASE COURSE - 19.0MM
TWO (2) - 2" LIFTS
1.5" HOT MIX ASPHALT
SURFACE COURSE - 9.5MM
10' MILL AND OVERLAY
EXISTING
PAVEMENT
SECTION
8" AND 34" WEDGE AND
LEVELING COURSE -
4.5MM
DETAIL B-1 STABILIZED CONSTRUCTION
ENTRANCE
VARIES
Guardrail and Post Reinstallation Detail N.T.S.
VARIES
31" BARRIER
HEIGHT
MEASURED FROM
ROADWAY
STONE WALL (SEE
STRUCTURAL
PLANS FOR
DETAILS)
SHOULDER
TYPICAL GUARDRAIL
AND POST
SEE STRUCTURAL
PLANS FOR
NOTCH IN MASS
CONCRETE
BELOW
FILL WITH GRADED
AGGREGATE SUBBASE 16"
2" ASHTO #10
STONE DUST
TYPICAL ROADWAY
PAVEMENT SECTION
(SEE PAVEMENT
SECTION ON THIS
SHEET)
STATION OFFSET TO BASELINE
ALIGNMENT (SEE SHEET C1.0)
Existing Guardrail and Post
Towpath Restoration Scale: NO SCALE Source: VHB
1.5%
NOTE:
1. WIDTH OF THE TRAIL VARIES. SEE LAYOUT & MATERIALS PLANS FOR
WIDTH OF THE PROPOSED TRAIL SURFACE.
2. SCRAPE SILT AND RIVER DEPOSITS FROM EXISTING TRAIL SURFACE.
3. PLACE 3" MIN. TOWPATH SURFACE MATERIAL DIRECTLY OVER TOP OF
EXISTING TRAIL BASE.
2" MIN. TOWPATH
SURFACE, AS
SPECIFIED.
EXISTING
TOWPATH
BASE
2% MIN.2% MIN.
4" MIN. TOPSOIL
AND SEEDING, AS
SPECIFIED.
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
04/22/2022
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
WASHINGTON
D.C.
CIVIL:
DRAWING NO.
245005
ST
ATE OF MARYLANDJA
MES R. LONG
PROFESS I ONA L ENG I NEERREG I S T ERED
NO . 16 0 39
PROFESSIONAL CERTIFICATION
- CONTRACTOR TO SUBMIT.
SEE NOTE
BELOW
CZ
CZ C5.0TS
EROSION AND SEDIMENT
CONTROL NOTES
QUANTITIES NOTED IN SECTION 26. B. EXCLUDE NEW STRUCTURAL CONCRETE AND
STONE WALL AND ARE FOR EROSION AND SEDIMENT CONTROL APPROVAL AND
REVIEW ONLY AND NOT TO BE USED FOR BIDS.
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
04/22/2022
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
WASHINGTON
D.C.
CIVIL:
DRAWING NO.
245005
ST
ATE OF MARYLANDJA
MES R. LONG
PROFESS I ONA L ENG I NEERREG I S T ERED
NO . 16 0 39
PROFESSIONAL CERTIFICATION
AB
AB C5.1TS
EROSION AND SEDIMENT
CONTROL NOTES
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
04/22/2022
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
WASHINGTON
D.C.
CIVIL:
DRAWING NO.
245005
ST
ATE OF MARYLANDJA
MES R. LONG
PROFESS I ONA L ENG I NEERREG I S T ERED
NO . 16 0 39
PROFESSIONAL CERTIFICATION
C5.2TS
EROSION AND SEDIMENT
CONTROL NOTES
¾
⅓
AB
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
04/22/2022
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
WASHINGTON
D.C.
CIVIL:
DRAWING NO.
245005
ST
ATE OF MARYLANDJA
MES R. LONG
PROFESS I ONA L ENG I NEERREG I S T ERED
NO . 16 0 39
PROFESSIONAL CERTIFICATION
AB
C5.3TS
EROSION AND SEDIMENT
CONTROL NOTES
N=607040.8327 E=1104241.4120
EL=268.80
LAT=N39° 19' 52.2096"
LONG=W77° 44' 08.3330"
NPS-CHOH
LEVEL-33-2-2021
N=606990.5123 E=1104280.2150
EL=268.16
LAT=N39° 19' 51.7153"
LONG=W77° 44' 07.8340"
NPS-CHOH
LEVEL-33-3-2021
N=606960.0384 E=1104309.2682
EL=268.16
LAT=N39° 19' 51.4164"
LONG=W77° 44' 07.4612"
TARGET 1
TARGET 2TARGET 3
TARGET 4
TARGET 5
TARGET 6
TARGET 7
TARGET 8
TARGET 9
TARGET 10
TARGET 11
TARGET 22TARGET 21
TARGET 12TARGET 13
TARGET 14
TARGET 15
TARGET 16
TARGET 17
TARGET 18
TARGET 19
TARGET 20
METAL GUARDRAIL
POST (TYP.)
HARPERS FERRY ROAD
PROBE 2
PROBE 1
PROBE 1B
PROBE 2B
ASPHALT
PATCH
ASPHALT
GRAVEL GRAVELTOWPATH
DOUBLE YELLOW LINE
STONE WALL
6 28
6 28 5 28
1 28
9 27
UTILITY POLE
OVERHEAD
WIRE (TYP.)
TOP OF BANK
TOE OF SLOPE
TOE OF SLOPE
265.1' 267.2'
264.3' 263.1' 263.8' 262.7'
262.6' 262.2'
284.2' 285.7' 286.8' 285.2' 284.7'283.6' 282.5'
281.6' 281.9' 280.6' 278.2' 275.9'
EP285.56'
EP285.15'
EP283.95' EP282.67'
EP282.46'EP283.63'
EP284.26'
EP284.76' EP286.15'
EP286.18' EP286.94'
EP287.11' EP286.36'
EP286.20'
EP284.23' EP281.51'
EP281.05'
EP278.70'
EP278.70'
EP276.84'
EP
276.73'
263.9' 263.3'
263.5' 262.8' 262.5' 262.1'
261.6' 261.3'
282.5' 283.9' 286.0' 286.7' 285.7' 280.8'
278.2' 276.2'
267.8' 269.1' 267.3'
267.8' 267.4' 267.2'
METAL GUARDRAIL
(TYP.)
MASW 3
MASW 2
MASW 1
MASW 3
MASW 1
MASW 2
MASW 3B
MASW 2B
MASW 1B
MASW 3A
MASW 2A
MASW 1A
A B C D E F G H I
J
C&O CANAL263.7'
263.3'
263.9' 262.8'
262.9' 262.2'
262.2'
261.6'
EXISTING EARTHEN RAMP
TO CANAL PRISM
C.1
PROPERTY LINE APPROXIMATE
SEE NOTE 3
266.6'
267.8'
265.7'
265.8' 265.7' 265.4'
264.6'
265.3'
268.2'
268.2' 268.0' 268.3' 268.4' 268.5' 268.8' 268.7' 268.4' 268.5' 268.8' 268.7'
268.7' 268.5'
268.4'
268.5' 268.4'268.4'268.3'268.3'268.0'267.9'267.9'
267.9'
BEDROCK
.4'
.1' 88
.4'
72.82' 63.49' 42.02' 53.40'
90° 0'' 90°0''
90°0'' 90°0''
90°0''
Point Table (Monitoring Targets)
Point # Northing Easting Description
DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
04/22/2022
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
WASHINGTON
D.C.
CIVIL:
DRAWING NO.
245005
ST
ATE OF MARYLANDJA
MES R. LONG
PROFESS I ONA L ENG I NEERREG I S T ERED
NO . 16 0 39
PROFESSIONAL CERTIFICATION
DP
AA/SO S0.1
DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
DB
4/22/2022
LEVEL 33
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
STRUCTURAL:
DRAWING NO.
1 17
245005
DESIGN NOTES
AutoCAD SHX Text DESIGN NOTES CODES AND STANDARDS A. WORK SHALL BE IN ACCORDANCE WITH REQUIREMENTS OF THE LOCAL BUILDING WORK SHALL BE IN ACCORDANCE WITH REQUIREMENTS OF THE LOCAL BUILDING DEPARTMENT, AND THE INTERNATIONAL BUILDING CODE, 2018. B. ALL CODES, REFERENCES AND STANDARDS REFERRED TO SHALL BE THE CURRENT VERSION ALL CODES, REFERENCES AND STANDARDS REFERRED TO SHALL BE THE CURRENT VERSION UNLESS A DIFFERENT VERSION IS LISTED IN THE BUILDING CODE. DESIGN AND LOADING CRITERIA A. SNOW LOAD SNOW LOAD 1. GROUND SNOW LOAD: (PG) = 30.0 PSF GROUND SNOW LOAD: (PG) = 30.0 PSF = 30.0 PSF 2. SNOW EXPOSURE FACTOR (CE): = 1.0 SNOW EXPOSURE FACTOR (CE): = 1.0 = 1.0 3. IMPORTANCE FACTOR (I): = 1.0 IMPORTANCE FACTOR (I): = 1.0 = 1.0 4. THERMAL FACTOR (CT): = 1.2 THERMAL FACTOR (CT): = 1.2 = 1.2 B. WIND LOAD WIND LOAD 1. ULTIMATE WIND SPEED: = 115 MPH ULTIMATE WIND SPEED: = 115 MPH = 115 MPH 2. RISK CATEGORY: = II RISK CATEGORY: = II = II 3. EXPOSURE: = B EXPOSURE: = B = B C. DESIGN MINIMUM LIVE LOADS: DESIGN MINIMUM LIVE LOADS: 1. CONC. FILL = HL-93 CONC. FILL = HL-93 = HL-93 CONCRETE AND REINFORCING A. CONCRETE WORK SHALL BE IN ACCORDANCE WITH "BUILDING CODE REQUIREMENTS FOR CONCRETE WORK SHALL BE IN ACCORDANCE WITH "BUILDING CODE REQUIREMENTS FOR STRUCTURAL CONCRETE", ACI 318. AS MODIFIED BY IBC CODE. B. CONCRETE DESIGN IS IN ACCORDANCE WITH "STRENGTH DESIGN METHOD." CONCRETE DESIGN IS IN ACCORDANCE WITH "STRENGTH DESIGN METHOD." C. CONCRETE MAT SLAB SHALL HAVE AN ULTIMATE COMPRESSIVE STRENGTH OF 4000 PSI AT CONCRETE MAT SLAB SHALL HAVE AN ULTIMATE COMPRESSIVE STRENGTH OF 4000 PSI AT 28 DAYS (F'c) WITH MAX W/C RATIO 0.40. AND SHALL INCLUDE CORROSION INHIBITOR. WITH MAX W/C RATIO 0.40. AND SHALL INCLUDE CORROSION INHIBITOR. WITH MAX W/C RATIO 0.40. AND SHALL INCLUDE CORROSION INHIBITOR. REFER TO SPECIFICATIONS FOR MASS CONCRETE. D. CONCRETE MATERIALS: CONCRETE MATERIALS: 1. CEMENT: ASTM C-150 TYPE I OR III CEMENT: ASTM C-150 TYPE I OR III ASTM C-150 TYPE I OR III 2. AGGREGATES: ASTM C-33 (NORMAL WEIGHT) AGGREGATES: ASTM C-33 (NORMAL WEIGHT) ASTM C-33 (NORMAL WEIGHT) 3. AIR-ENTRAINING ADMIX: ASTM C-260 AIR-ENTRAINING ADMIX: ASTM C-260 ASTM C-260 4. ISOLATION JOINT FILLER: ASTM D-1751 ISOLATION JOINT FILLER: ASTM D-1751 ASTM D-1751 5. JOINT SEALANT: ASTM C-920 JOINT SEALANT: ASTM C-920 ASTM C-920 E. CONCRETE EXPOSED TO WEATHER SHALL BE AIR-ENTRAINED 6%, +/- 1%. CONCRETE EXPOSED TO WEATHER SHALL BE AIR-ENTRAINED 6%, +/- 1%. F. CONCRETE SHALL BE THOROUGHLY COMPACTED DURING PLACEMENT AND WORKED AROUND CONCRETE SHALL BE THOROUGHLY COMPACTED DURING PLACEMENT AND WORKED AROUND EMBEDDED ITEMS AND INTO CORNERS OF FORMS. G. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL ITEMS EMBEDDED IN CONCRETE AND SHALL CONTRACTOR SHALL BE RESPONSIBLE FOR ALL ITEMS EMBEDDED IN CONCRETE AND SHALL ENSURE THAT ALL ARE ACCURATELY LOCATED AND SECURE. H. CONTRACTOR SHALL SUBMIT PROPOSED CONTRACTION JOINT LAYOUT DRAWING FOR REVIEW. CONTRACTOR SHALL SUBMIT PROPOSED CONTRACTION JOINT LAYOUT DRAWING FOR REVIEW. PRIOR TO POURING SLAB. I. KEEP HEAVY CONSTRUCTION EQUIPMENT AWAY FROM WALLS, DISTANCE OF WALL HEIGHT. KEEP HEAVY CONSTRUCTION EQUIPMENT AWAY FROM WALLS, DISTANCE OF WALL HEIGHT. J. PROVIDE KEYED JOINTS BETWEEN ALL CONCRETE MAT JOINTS. PROVIDE KEYED JOINTS BETWEEN ALL CONCRETE MAT JOINTS. K. NON-SHRINK GROUT SHALL BE NON-SHRINKABLE, NON-METALLIC CONFORMING TO ASTM NON-SHRINK GROUT SHALL BE NON-SHRINKABLE, NON-METALLIC CONFORMING TO ASTM C1107, AND SHALL HAVE A SPECIFIED COMPRESSIVE STRENGTH AT 28 DAYS OF 7,000 PSI. L. REINFORCING BARS #3 THRU #11 SHALL BE DEFORMED AND IN ACCORDANCE WITH REINFORCING BARS #3 THRU #11 SHALL BE DEFORMED AND IN ACCORDANCE WITH "SPECIFICATIONS FOR DEFORMED AND PLAIN BILLET STEEL BARS FOR CONCRETE REINFORCEMENT" ASTM A-615. GRADE 60 KSI. WHERE INDICATED. M. SUBMIT SHOP DRAWINGS FOR REINFORCEMENT TO THE COR FOR APPROVAL. PREPARE SUBMIT SHOP DRAWINGS FOR REINFORCEMENT TO THE COR FOR APPROVAL. PREPARE DRAWINGS UNDER THE SUPERVISION OF A PROFESSIONAL STRUCTURAL ENGINEER REGISTERED IN THE LOCAL JURISDICTION DETAILING FABRICATING, BENDING, AND PLACING CONCRETE REINFORCEMENT. COMPLY WITH ACI 315 AND ACI DETAILING MANUAL SP-66, SHOWING BAR SCHEDULES, STIRRUP SPACING, BENT BAR DIAGRAMS, AND ARRANGEMENT OF CONCRETE REINFORCEMENT. N. BARS MARKED CONTINUOUS (CONT) SHALL BE LAPPED IN ACCORDANCE WITH BARS MARKED CONTINUOUS (CONT) SHALL BE LAPPED IN ACCORDANCE WITH REQUIREMENTS FOR SPLICES AS DEFINED IN ACI 318, MINIMUM 50 BAR DIAMETERS, UNLESS INDICATED OTHERWISE. COLUMN VERTICAL REINFORCING SHALL BE SPLICED AS SHOWN IN COLUMN DETAILS. O. BAR LENGTHS DO NOT INCLUDE LENGTH OF HOOK WHERE A HOOK IS INDICATED. PROVIDE BAR LENGTHS DO NOT INCLUDE LENGTH OF HOOK WHERE A HOOK IS INDICATED. PROVIDE STANDARD HOOK UNLESS DETAILED OTHERWISE. P. MINIMUM CONCRETE COVER BETWEEN FACE OF REINFORCING BAR AND FACE OF CONCRETE MINIMUM CONCRETE COVER BETWEEN FACE OF REINFORCING BAR AND FACE OF CONCRETE SHALL BE AS FOLLOWS: 1. CONCRETE CAST AGAINST EARTH = 3" CONCRETE CAST AGAINST EARTH = 3" = 3" 2. FORMED CONCRETE EXPOSED TO WEATHER OR EARTH = 2" FORMED CONCRETE EXPOSED TO WEATHER OR EARTH = 2" 3. FORMED CONCRETE NOT EXPOSED TO WEATHER: FORMED CONCRETE NOT EXPOSED TO WEATHER: a) SLABS AND JOISTS = 3/4" SLABS AND JOISTS = 3/4" = 3/4" b) BEAMS, COLUMNS = 1-1/2" BEAMS, COLUMNS = 1-1/2" = 1-1/2" Q. PROVIDE CORNER BARS AT ALL WALL INTERSECTIONS WITH SIZE AND SPACING TO MATCH PROVIDE CORNER BARS AT ALL WALL INTERSECTIONS WITH SIZE AND SPACING TO MATCH HORIZONTAL WALL REINFORCEMENT. TESTING AND INSPECTION THE CONTRACTOR SHALL RETAIN THE SERVICES OF A TESTING AND INSPECTION AGENCY TO PERFORM THE SERVICES SPECIFIED. A. MINIMUM SERVICES PROVIDED SHALL BE IN ACCORDANCE WITH REQUIREMENTS OF THE MINIMUM SERVICES PROVIDED SHALL BE IN ACCORDANCE WITH REQUIREMENTS OF THE LOCAL JURISDICTION. B. FAILURE TO RETAIN A TESTING AGENCY TO PROVIDE REQUIRED SERVICES OR A FAILURE TO FAILURE TO RETAIN A TESTING AGENCY TO PROVIDE REQUIRED SERVICES OR A FAILURE TO SUBMIT SIGNED AND SEALED REPORTS SHALL BE CONSIDERED NON-COMPLIANCE WITH CONTRACT DOCUMENTS. C. CONSTRUCTION CONSIDERED NON-COMPLIANT SHALL BE REMOVED AND REPLACED. CONSTRUCTION CONSIDERED NON-COMPLIANT SHALL BE REMOVED AND REPLACED. D. ALL TESTING AND INSPECTION SHALL BE UNDER THE DIRECTION OF A PROFESSIONAL ALL TESTING AND INSPECTION SHALL BE UNDER THE DIRECTION OF A PROFESSIONAL ENGINEER LICENSED TO PRACTICE IN THE LOCAL JURISDICTION. E. PRELIMINARY HANDWRITTEN SITE VISIT REPORTS CONFIRMING VERBAL DISCUSSIONS SHALL PRELIMINARY HANDWRITTEN SITE VISIT REPORTS CONFIRMING VERBAL DISCUSSIONS SHALL BE PROVIDED TO THE CONTRACTOR ON RESULTS OF INSPECTIONS PRIOR TO LEAVING JOB SITE. F. FINAL REPORTS SHALL BE SUBMITTED TO THE COR IN A TIMELY MANNER, BUT NO LATER FINAL REPORTS SHALL BE SUBMITTED TO THE COR IN A TIMELY MANNER, BUT NO LATER THAN TEN (10) DAYS FOLLOWING INSPECTION OR TESTING. UNDER THE NAME AND SIGNATURE OF THE INSPECTOR AND LICENSURE SEAL AND SIGNATURE OF THE PROFESSIONAL ENGINEER RESPONSIBLE FOR TESTING AND INSPECTION. G. INSPECTION SHALL MINIMALLY INCLUDE THE FOLLOWING: INSPECTION SHALL MINIMALLY INCLUDE THE FOLLOWING: 1. FOUNDATIONS & EARTHWORK: FOOTINGS AND DEEP FOUNDATIONS, FILLS, SLAB FOUNDATIONS & EARTHWORK: FOOTINGS AND DEEP FOUNDATIONS, FILLS, SLAB SUB-GRADE, PERIMETER AND UNDERFLOOR DRAINAGE SYSTEMS. 2. CONCRETE REINFORCING: LOCATION, ASTM DESIGNATION, BAR SIZES, TYPE, QUANTITY, CONCRETE REINFORCING: LOCATION, ASTM DESIGNATION, BAR SIZES, TYPE, QUANTITY, PLACEMENT, SPACING, AND CLEARANCES. 3. CONCRETE: ALL STRUCTURAL CONCRETE; LOCATION, STRENGTH, TYPE, SLUMP, CONCRETE: ALL STRUCTURAL CONCRETE; LOCATION, STRENGTH, TYPE, SLUMP, PLACEMENT, AIR TEMPERATURE, CURING AND WEATHER ACCOMMODATIONS AND CONCRETE ADDITIVES. 4. MASONRY: MASONRY INSPECTION FOR QUALITY ASSURANCE SHALL BE LEVEL [B] AS MASONRY: MASONRY INSPECTION FOR QUALITY ASSURANCE SHALL BE LEVEL [B] AS DEFINED IN THE MASONRY SPECIFICATIONS AND SHALL MINIMALLY INCLUDE INSPECTION OF UNITS, GROUT. AS MASONRY CONSTRUCTION BEGINS, VERIFY THE FOLLOWING ARE IN COMPLIANCE: PROPORTIONS OF SITE PREPARED MORTAR, CONSTRUCTION OF MORTAR JOINTS. VERIFY PLACEMENT OF GROUT, PREPARATION OF GROUT SPECIMENS, MORTAR SPECIMENS, AND/OR PRISMS. 5. PROVIDE SPECIAL INSPECTION FOR MECHANICAL AND ADHESIVE ANCHORS PER THE PROVIDE SPECIAL INSPECTION FOR MECHANICAL AND ADHESIVE ANCHORS PER THE APPLICABLE BUILDING CODE AND PER THE CURRENT ICC-ES REPORT (IBC TABLE 1705.3 NOTE B). H. MATERIAL TESTING SHALL MINIMALLY INCLUDE THE FOLLOWING: MATERIAL TESTING SHALL MINIMALLY INCLUDE THE FOLLOWING: 1. FOUNDATION & EARTHWORK: MIN ALLOWABLE SOIL BEARING IS 2000 PSF. FOUNDATION & EARTHWORK: MIN ALLOWABLE SOIL BEARING IS 2000 PSF. 2. REINFORCING: YIELD AND ULTIMATE STRENGTHS. (MILL REPORTS ARE ACCEPTABLE.) REINFORCING: YIELD AND ULTIMATE STRENGTHS. (MILL REPORTS ARE ACCEPTABLE.) 3. CONCRETE: SLUMP TESTS; EVERY THIRD TRUCKLOAD OF CONCRETE AND IN ADDITION, CONCRETE: SLUMP TESTS; EVERY THIRD TRUCKLOAD OF CONCRETE AND IN ADDITION, ONE FOR EACH SET OF STRENGTH-TEST CYLINDERS AT PREPARATION. STRENGTH TESTS; ONE SET OF CYLINDERS FOR MAXIMUM OF EACH 50 CY OF CONCRETE PLACEMENT. ONE SET OF CYLINDERS FOR EACH 2500 SQUARE SLAB AREA. 4. MASONRY: MATERIALS CERTIFICATES AND VERIFICATION OF F'M PRIOR TO CONSTRUCTION. MASONRY: MATERIALS CERTIFICATES AND VERIFICATION OF F'M PRIOR TO CONSTRUCTION. I. COMPLY WITH CODE REQUIREMENTS AND THE FOLLOWING: COMPLY WITH CODE REQUIREMENTS AND THE FOLLOWING: 1. CONCRETE CYLINDERS: TWO SETS OF THREE LABORATORY CURED 4x8 CYLINDERS CONCRETE CYLINDERS: TWO SETS OF THREE LABORATORY CURED 4x8 CYLINDERS SHALL BE TAKEN FOR EACH DAY'S POUR FOR EACH MIX: (2) 7-DAY, (2) 28-DAY, (2) HOLD; 2. TWO SETS OF THREE FIELD CURED 4x8 CYLINDERS SHALL BE TAKEN FOR EACH DAY'S TWO SETS OF THREE FIELD CURED 4x8 CYLINDERS SHALL BE TAKEN FOR EACH DAY'S POUR FOR EACH MIX (2) 7-DAY, (2) 28-DAY. J. FIELD CURED CYLINDERS SHALL BE CURED IN ACCORDANCE WITH CODE REQUIREMENTS OR FIELD CURED CYLINDERS SHALL BE CURED IN ACCORDANCE WITH CODE REQUIREMENTS OR IF NOT APPLICABLE THEN CURED IN SAME CONDITIONS AS CONCRETE IN WORK. K. PROOF LOADS FOR POST-INSTALLED ANCHORS, AS SHOWN ON THE DRAWINGS, SHALL BE PROOF LOADS FOR POST-INSTALLED ANCHORS, AS SHOWN ON THE DRAWINGS, SHALL BE USED FOR TESTING TENSION IN POST-INSTALLED ANCHORS, AND SHALL BE APPLIED WITH A CALIBRATED HYDRAULIC RAM. THE TESTING AGENCY SHALL PROVIDE A CALIBRATION CHART DATED WITHIN ONE YEAR. DISPLACEMENT OF ADHESIVE AND CAPSULE ANCHORS AT PROOF LOAD SHALL NOT EXCEED D/10, WHERE D IS THE NORMAL ANCHOR DIAMETER. EARTHWORK A. ALLOWABLE SOIL BEARING PRESSURE FOR ALL SHALLOW FOOTINGS IS 2000 PSF PER THE ALLOWABLE SOIL BEARING PRESSURE FOR ALL SHALLOW FOOTINGS IS 2000 PSF PER THE GEOTECHNICAL REPORT PREPARED BY TERRACON DATED FEBRUARY 8 , 2022. SHOULD th, 2022. SHOULD UNSUITABLE MATERIAL BE ENCOUNTERED, FOOTINGS SHALL BE OVER EXCAVATED AND REPLACED WITH MASS CONCRETE FILL.
AA/SO S1.0
DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
DB
4/22/2022
LEVEL 33
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
STRUCTURAL:
DRAWING NO.
2 17
245005
EXISTING WALL PLAN
AutoCAD SHX Text
APPROXIMATE TOE OF ROCK SLOPE
AutoCAD SHX Text
TOP OF EX. STONE WALL
AutoCAD SHX Text
TOP OF STEP/SHELF IN EX. STONE WALL
AutoCAD SHX Text
HARPERS FERRY ROAD
AutoCAD SHX Text 286'
AutoCAD SHX Text 285'
AutoCAD SHX Text 284'
AutoCAD SHX Text 283'
AutoCAD SHX Text 282'
AutoCAD SHX Text 281'
AutoCAD SHX Text 280'
AutoCAD SHX Text 263'
AutoCAD SHX Text 262'
AutoCAD SHX Text 263.1'
AutoCAD SHX Text
AutoCAD SHX Text S1.2
AutoCAD SHX Text
AutoCAD SHX Text S6.0
AutoCAD SHX Text
BOTTOM OF EX. STONE WALL @ GRADE (WALL ASSUMED TO EXTEND BELOW GRADE TO ROCK)
AutoCAD SHX Text
LEVEL 33 EXISTING WALL PLAN
AutoCAD SHX Text
AutoCAD SHX Text S1.0
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SCALE B
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EX. GUARDRAIL POST, SEE CIVIL
AutoCAD SHX Text
TP1
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TP3
AutoCAD SHX Text B3
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TP2
AutoCAD SHX Text B4
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TP4
AutoCAD SHX Text B5
AutoCAD SHX Text B1
AutoCAD SHX Text B2
AutoCAD SHX Text NOTE: 1. ELEVATIONS AND CONTOURS ARE APPROXIMATE AND FOR REFERENCE ELEVATIONS AND CONTOURS ARE APPROXIMATE AND FOR REFERENCE ONLY. REFER TO CIVIL DRAWINGS FOR SURVEY INFORMATION.
AutoCAD SHX Text
EX. STEEL RAIL WITH UNSUPPORTED EAST END
AutoCAD SHX Text
EX. ROCK OUTCROP
AutoCAD SHX Text
EX. ROCK OUTCROP
AutoCAD SHX Text
APPROX. EDGE OF ROADWAY
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APPROX. EDGE OF ROADWAY
AutoCAD SHX Text
WALL PROFILE IN SECTION FOR REFERENCE
AutoCAD SHX Text
AutoCAD SHX Text S1.1
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AutoCAD SHX Text S1.1
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BACK FACE OF WALL HIDDEN BY GRADE
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SCALE B
AutoCAD SHX Text (1/4"=1'-0")
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SCALE OF FEET
AA/SO S1.1
DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
DB
4/22/2022
LEVEL 33
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
STRUCTURAL:
DRAWING NO.
3 17
245005
EXISTING WALL SECTION
AutoCAD SHX Text
ASSUMED BEDROCK ELEVATION
AutoCAD SHX Text
EX. GRADE, SEE CIVIL
AutoCAD SHX Text
EX. ASPHALT PATCH
AutoCAD SHX Text
ASSUMED BACK OF EX. WALL.
AutoCAD SHX Text
EX. CANAL PRISM SURFACE ±262.0 TO ±263.0
AutoCAD SHX Text
EX. FALLEN STONES FROM WALL
AutoCAD SHX Text
EX. BEDROCK OUTCROP
AutoCAD SHX Text
EX. TRAFFIC BARRIER POST
AutoCAD SHX Text
BEDROCK
AutoCAD SHX Text
EX. ROAD
AutoCAD SHX Text
EX BACKFILL
AutoCAD SHX Text
C ROADWAY
AutoCAD SHX Text L
AutoCAD SHX Text
ROCK SURFACE VARIES FROM ±255.0
AutoCAD SHX Text
EXIST. WALL BATTER VARIES
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T/WALL VARIES FROM ±281.0 TO ±286.0
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EXISTING WALL SECTION (SIM TO SECTIONS E AND F)
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AutoCAD SHX Text S1.1
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SCALE D
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STONE WALL ASSUMED TO EXTEND TO ROCK
AutoCAD SHX Text NOTE: 1. CEMENTIOUS MATERIAL IN THE UPPER COURSES OF THE UPPER WALL IS PRESENT. CEMENTIOUS MATERIAL IN THE UPPER COURSES OF THE UPPER WALL IS PRESENT. CONTRACTOR TO VERIFY EXTENTS IN THE FIELD TO DETERMINE APPLICABLE METHODS TO EMPLOY DURING WALL DISASSEMBLY PHASE. 2. TWO TYPES OF COURSING AND STONE TYPES EXIST ON THE WALL "UPPER" LOCATED TWO TYPES OF COURSING AND STONE TYPES EXIST ON THE WALL "UPPER" LOCATED NEAR THE TOP AND "LOWER" LOCATED NEAR THE BOTTOM. MATCH BOTH TYPES OF COURSINGS AND STONES DURING RECONSTRUCTION.
AutoCAD SHX Text
UPPER EX. WALL STONES ARE PARTIALLY MORTARED, SEE NOTE 1.
AutoCAD SHX Text
T/WALL @ SHELF ±276.0
AutoCAD SHX Text
ASSUMED BATTER IS 1:4
AutoCAD SHX Text
BACK OF WALL MAY BE STEPPED OR BATTERED. FIELD VERIFY AND NOTIFY COR.
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SCALE OF FEET
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SCALE D
AutoCAD SHX Text (1/2"=1'-0")
H
H
D
D E
E
F
F G
G
C
C C.1
C.1
D.1
D.1
DP
AA/SO S1.2
DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO. TITLE OF SHEET
DB
4/22/2022
LEVEL 33
LEVEL 33 WALL
CHESAPEAKE AND OHIO CANAL (CHOH)
A/E FIRM:
OF
PMIS/PKG NO
SHEET
146384
STRUCTURAL:
DRAWING NO.
4 17
245005
EXISTING WALL ELEVATION
AutoCAD SHX Text S6.0
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MATCHLINE A-A
AutoCAD SHX Text 2+85.96
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MATCHLINE A-A
AutoCAD SHX Text
AutoCAD SHX Text 6.1
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ANTICIPATED SOIL LAYBACK @ 1:1.5
AutoCAD SHX Text 1+85.29
AutoCAD SHX Text 2+03.02
AutoCAD SHX Text 2+20.04
AutoCAD SHX Text 2+38.28
AutoCAD SHX Text 2+58.26
AutoCAD SHX Text 1+95.75
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SCALE B
AutoCAD SHX Text (1/4"=1'-0")
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WALL ELEVATION A
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AutoCAD SHX Text S1.2
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SCALE B
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WALL ELEVATION B
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SCALE B
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D E F G H
D E F G H
C
C
D…
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