G-101 EXISTING CONDITIONS AND CONTRACTOR WORK LIMITS.pdf
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- Solicitation number
- W911WN25BA013
About this file
The document G-101 is a plan sheet showing existing conditions and contractor work limits for the Conemaugh River Lake Accumulated Sediment Dredging Project. The plan depicts a detailed site layout for a dredging project located near Tunnelton, Pennsylvania, including key features such as the Dredged Material Management Area (DMMA), access ramps, contractor staging area, and environmental sensitive zones.
The plan includes specific details like three access ramps, a proposed contractor staging area of approximately 1.75 acres, and work limits bounded by the Conemaugh River and surrounding infrastructure including the Conemaugh Dam, Bow Ridge Public Access Bridge, and Penn Trail. Notable site constraints include 10-ton road limits, vertical clearance restrictions, wetlands, an archaeological buffer zone, and environmental sensitive areas. The plan provides precise graphical guidance for contractors on site access, work boundaries, and operational considerations, with nine general sheet notes outlining critical requirements for site management and preservation.
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G-101
FLOW DIRECTION (WATERWAY)
FLOOD ZONE
WETLANDS
ROAD CENTERLINE
TRAIL CENTERLINE
CHANNEL CENTERLINE
RAILROAD TRACKS
CONTRACTOR WORK LIMITS
TOP OF CHANNEL EDGE / LIMITS OF CONSTRUCTION
BOTTOM CHANNEL EDGE
COMMUNICATION UTILITY
ELECTRICAL UTILITY
SANITARY LINE
DITCH
COMPOST SOCK FILTER
TURBIDITY CURTAIN
SURVEY CONTROL POINT
ARCHEOLOGICAL BUFFER ZONE
ENVIRONMENTALLY SENSITIVE AREAS
LEGEND
SCALE:
PLAN - EXISTING CONDITIONS AND CONTRACTOR WORK LIMITS
1"=300' 300' 600'0
1. ALL PUBLIC ROADS LEADING INTO THE CONSTRUCTION SITE HAVE A 10-TON
LIMIT. THE BOW RIDGE PUBLIC ACCESS BRIDGE HAS A 20- TO 37-TON LIMIT
DEPENDING ON AXLE CONFIGURATION. THE CONTRACTOR SHALL ENSURE ALL
CONSTRUCTION VEHICLES MEET THESE REQUIREMENTS.
2. THE VERTICAL CLEARANCE BETWEEN WEST PENN TRAIL AND THE BOW RIDGE
PUBLIC ACCESS BRIDGE RANGES FROM 17'-6" TO 40'-3".
3. THE VERTICAL CLEARANCE BETWEEN THE BOW RIDGE PUBLIC ACCESS BRIDGE
AND RAILROAD BRIDGE RANGES FROM 32'-6" TO 33'-0".
4. THESE STRUCTURES MUST BE PROTECTED DURING DREDGING OPERATIONS
AND DISPOSAL OF THE SEDIMENT MATERIAL.
5. WETLANDS AND ARCHEOLOGICAL BUFFER ZONE SHALL BE CONSIDERED IN THE
CONTRACTOR'S PERMITS.
6. CONTRACTOR SHALL AVOID DISTURBANCE WITHIN THE ARCHEOLOGICAL
BUFFER ZONE AND ENVIRONMENTALLY SENSITIVE AREAS. REFER TO
SPECIFICATION 01 57 19.00 08 PARAGRAPH 3.4 FOR SPECIFIC REQUIREMENTS.
7. THE CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTAINING ALL EXISTING
ROADS AND PROPERTY DURING DREDGING OPERATIONS. ALL ROADS AND
PROPERTY SHALL BE REPLACED IN KIND IF DAMAGED.
8. ALL EQUIPMENT, FUEL, REMOVED HYDRIC SOILS, ETC., MUST BE STORED
WITHIN THE DMMA FOOTPRINT. THE CONTRACTOR STAGING AREA IS
DESIGNATED SOLELY FOR THE CONTRACTOR’S OFFICE AND STAFF PARKING.
9. FOR SURVEY CONTROL POINT INFORMATION, SEE SHEET G-002
GENERAL SHEET NOTES
VISITOR CENTER
CONEMAUGH RIVER
POWER PLANT
(SEE NOTE 4)
CONEMAUGH RECREATION AREA
PENN TRAIL
RIVERVIEW ROAD
AUEN ROAD
FLOW
FLOW
ACCESS RAMP NO. 2
ACCESS RAMP NO. 3
100-YEAR FLOOD ZONE
FLOW
PROPOSED CONTRACTOR STAGING AREA
APPROXIMATELY 1.75 ACRES
SEE NOTE 8
CHANNEL TO SLOPE 3:1
TO EXISTING GRADE
ACCESS RAMP NO. 1
APPROXIMATE LOCATION OF
THREE (3) ABANDONED AND
PLUGGED TUNNELS
(SEE NOTE 4)
PROPOSED ACCESS ROAD
CONEMAUGH DAM
INTAKE STRUCTURE
EL 857.0'
(SEE NOTE 4)
EXISTING ACCESS ROAD
100-YEAR FLOOD ZONE
100-YEAR FLOOD ZONE
BOW RIDGE PUBLIC
ACCESS BRIDGE
(SEE NOTE 1 AND 4)
PROPOSED AREA
FOR TURNOUTS
CONTRACTOR
WORK LIMITS
PUBLIC ACCESS BRIDGE
UPPER CROSSING
(SEE NOTE 3)
PUBLIC ACCESS BRIDGE
LOWER CROSSING
(SEE NOTE 2)
APPROXIMATE ARCHEOLOGICAL BUFFER ZONE
APPROXIMATE LOCATION
OF HYDRAULIC INTAKE
(SEE NOTE 4)
A1 C-101
A1
DREDGED MATERIAL
MANAGEMENT AREA
(APPROX 15.4 ACRES)
STONE ARCH BRIDGE NO.1
(SEE NOTE 4)
CONTRACTOR
WORK LIMITS
LIMITS OF DREDGING
CONEMAUGH RIVER
CONEMAUGH RIVER
PLAN
NORTH
TRUE NORTH
TURBIDITY CURTAIN
ROCK CONSTRUCTION
ENTRANCE
B2 C-501
G2 C-501
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APPROXIMATE
ENVIRONMENTALLY
SENSITIVE AREA ZONE
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