G-102 EXISTING CONDITIONS AND CONTRACTOR WORK LIMITS (DMMA).pdf
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About this file
This document is a technical drawing (Sheet G-102) showing existing conditions and contractor work limits for the Conemaugh River Lake Accumulated Sediment Dredging Project. The plan depicts a Dredged Material Management Area (DMMA) spanning approximately 15.4 acres, with clearly marked contractor work limits, access ramps, existing access roads, and environmental considerations. The drawing includes specific environmental constraints such as an archaeological buffer zone, wetlands, and a 100-year flood zone, with key notes instructing contractors to avoid disturbance in sensitive areas and comply with specific environmental protection requirements. The site is located along the Conemaugh River, with multiple access points and carefully defined boundaries for construction activities, reflecting the precise planning needed for this U.S. Army Corps of Engineers dredging project.
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G-102
A1 SCALE:
PLAN - EXISTING CONDITIONS AND CONTRACTOR WORK LIMITS (DMMA)
1"=100' 100' 200'0
ACCESS RAMP NO. 2
ACCESS RAMP NO. 3
EXISTING ACCESS ROAD
WETLANDS
WETLANDS
100-YEAR FLOOD ZONE
LEGEND
1. CONTRACTOR SHALL AVOID DISTURBANCE WITHIN THE ARCHEOLOGICAL BUFFER
ZONE.
2. WETLANDS AND ARCHEOLOGICAL BUFFER ZONE SHALL BE CONSIDERED IN THE
CONTRACTOR'S PERMITS.
3. 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.
4. REFER TO SHEET G-002 FOR SURVEY CONTROL POINT INFORMATION
G7 C-501
COMPOST FILTER SOCK
APPROXIMATE
ARCHEOLOGICAL
BUFFER ZONE
DREDGED MATERIAL
MANAGEMENT AREA
(APPROX 15.4 ACRES)
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
ARCHEOLOGICAL BUFFER ZONE
ENVIRONMENTALLY SENSITIVE AREAS
FLOW
CONTRACTOR
WORK LIMITS
FLOW
CONEMAUGH RIVER
TRUE NORTH
PLAN
NORTH
FLOW
CONEMAUGH RIVER
GENERAL SHEET NOTES
CONTRACTOR WORK LIMITS
CONTRACTOR WORK LIMITS
CONTRACTOR WORK LIMITS
CONTRACTOR WORK LIMITS
EXISTING DITCH
CONTRACTOR WORK LIMITS
G-101 A1
APPROXIMATE
ENVIRONMENTALLY
SENSITIVE AREA ZONE
D
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AW
IN
G
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EV
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P
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A M
EN
D
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M
AY
AutoCAD SHX Text
WATER EDGE 02-22-2024
AutoCAD SHX Text
WATER EDGE 02-22-2024
AutoCAD SHX Text
SIGN
AutoCAD SHX Text
DELINEATED WETLAND-2
AutoCAD SHX Text
DELINEATED WETLAND-1
AutoCAD SHX Text
SWALE/DITCH
AutoCAD SHX Text
STONEROW
AutoCAD SHX Text
CONCRETE PAD
AutoCAD SHX Text
8" SLCPP INV. IN 921.69' INV. OUT 919.69'
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