OM_of_LFG_EXISTING_CONDITIONS_NORTH_CELL.pdf
PDF 3 MB Posted
- Solicitation number
- 25-B-156IF
- Issued by
- Volusia County, Florida
About this file
This document is an engineering site plan for the Tomoka Farms Road Landfill 2024 Gas Collection and Control System (GCCS) Expansion, prepared for the Volusia County Solid Waste and Recycling Division Public Works Department. The plan details the existing site conditions for the North Cell of the landfill, including a comprehensive layout of existing infrastructure such as gas extraction wells (EW), horizontal wells (HC), leachate cleanout risers (LCR), condensate sumps (CS), and access risers (AP). The site plan includes topographical contours based on an aerial survey from June 28, 2023, and references previous landfill gas collection system as-built drawings from HDR and Peavey & Associates.
The drawing provides a detailed technical representation of the landfill's current configuration, featuring a 44"x144" box culvert, drainage inlet, pond outfall, weir, spillway, and various pipe systems including 2x24" ADS pipes and 4-12" HDPE pipes. The site plan is professionally drafted by SCS Engineers, with the document digitally signed and sealed by a Professional Engineer on the date of the drawing (July 2025). The scale of the drawing is 1" = 120', with a north orientation provided, and includes comprehensive legends detailing the types and locations of existing infrastructure elements within the landfill site.
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Text version
44"X144"
BOX CULVERT
DRAINAGE INLET
UE
U E
U E
U E
U E
U E
UE UE UE UE UE UE UE UE UE UE UE UE
U E
U E
U E
UE UE UE
UE
UE
POND
OUTFALL
WEIR
2x24" ADS PIPES
SPILLWAY
4 -12"Ø HDPE PIPES
WINGWALL
INV
EL.
20.73'
DRAINAGE INLET
44"X144"
BOX CULVERT
HC
HC
HC
HC
HC
HC
HC
HC
HCHC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
10"
EW-66
EW-9R
EW-10
EW-7R
EW-11R
EW-17R
EW-21AEW-6
EW-63
EW-12R EW-22A
EW-16R
EW-23A
EW-15R
EW-24RR
EW-25R
EW-71
EW-13R
EW-2
EW-59
EW-1
EW-60
EW-61
EW-4
EW-62
EW-70EW-19R
EW-18R
EW-20R
EW-69
EW-68EW-67
EW-8R
EW-65
EW-64
EW-5R
EW-3
EW-14R
EW-56
EW-55
EW-57
RW-64
RW-65
RW-66
RW-67
RW-8R
LS-1LCR-1
LCR-2
LCR-3
LCR-6 LCR-7LCR-5
LCR-4
LCR-8
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
HC
EW-44
EW-43
EW-86
EW-42
EW-31
EW-30
HWLCO-2
HWLCO-1
EW-54
6"
10"
4"
6"
6"
10"
4"
10"
4"
EW-74
EW-80 EW-79
EW-71A
EW-75
EW-73
EW-57
EW-15B
EW-22B
6"
10"
10"
8"
6"
6"
6"
6"
6"
6"
6"
8"
10"
6"
V-1
CV-1
AV-1
V-2CV-2
AV-2
V-3
CV-3
AV-3
CV-4AV-4
V-4
6"
8"
10"
8"
8"
10"
8"
8"
6"
EW-49
EW-78
HC-1A
HC-4AHC-2A
HC-3A
HC-7A HC-10A
HC-11A
HC-17A
HC-19A HC-20A
HC-26AHC-16AHC-14AHC-13A
HC-6AHC-5A
HC-18B
HC-8B
HC-7B
HC-26B
HC-12B
HW-20B HW-21B
HW-23B
HW-23A
HW-22B
EW-26
EW-77
EW-51
6"
EW-76
EW-29EW-28
HW-29A
EW-27
HC-11B
EW-88
EW-52
EW-58
CS-14
CS-17
CS-7CS-6CS-6 AP-29AP-1AP-14AP-11
AP-10AP-20
AP-1
AP-19
AP-12AP-15
AP-21
AP-18
AP-22
AP-17
AP-3 AP-14
AP-13
AP-16
AP-4
AP-7 AP-15AP-6
CS-12
AP-23
AP-26
AP-27
CS-8
AP-24
CS-3
AP-20CS-13AP-21CS-15 AP-8
AP-5 CS-16CS-18
AP-9
EW-50
EW-81
EW-82
EW-83
EW-84
EW-85
EW-87
EW-89 EW-90 EW-91
EW-92
EW-93
EW-53R
6"
6"
8"
6"
6"
8"
8"
6"
6"
6"
6"
6"
6"
6"
4"
4"
10"
10"
HC
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This item has been digitally signed and sealed by Stephanie M. Liptak, P.E. on the date adjacent to the seal.
Printed copies of this document are not considered signed and sealed and the signature must be verified on any electronic copies.
E X
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09219088.14_EX-COND.DWG
1" = 120'
0 12060 240N
NOTES:
1. EXISTING CONTOURS BASED ON AERIAL SURVEY PROVIDED BY HDR DATED
JUNE 28, 2023
2. LANDFILL GAS COLLECTION AND CONTROL SYSTEM AS-BUILT DRAWINGS BY
HDR, ON AUGUST 24, 2021, AND PEAVEY & ASSOCIATES, ON AUGUST 11,
2023, AND JANUARY 24, 2025.
EXISTING AIR SUPPLY PIPE
EXISTING CONDENSATE DISCHARGE PIPE
EXISTING LFG HEADER / LATERAL PIPE
EXISTING LFG HORIZONTAL COLLECTOR PIPE
EXISTING BLIND FLANGE
EXISTING CONDENSATE SUMP
EXISTING LEACHATE CLEANOUT
EXISTING WELL - GAS EXTRACTION
EXISTING WELL - HORIZONTAL
EXISTING HORIZONTAL WELL REMOTE
AP-## EXISTING ACCESS RISER
EXISTING LEACHATE SUMP
EXISTING LEACHATE CLEANOUT RISER WELLHEADHWLCO-##
LS-##
EXISTING CELL BOUNDARY
LEGEND:
LCR-##
CS-##
HC-##A
HW-##B
EW-##
AutoCAD SHX Text
7-8"SCH 40PVC PIPE INV. ELEV.=26.00'
AutoCAD SHX Text
SPILLWAY CREST ELEV.=28.12'
AutoCAD SHX Text
SPILLWAY EMBANKMENT ELEV.=30.00'
AutoCAD SHX Text 4-12"HDPE PIPES 1-E INV ELEV=.28.10 1-W INV. ELEV.=28.45 2-E INV ELEV=28.20 2-W INV. ELEV.=28.30 3-E INV ELEV.=28.30 3-W INV. ELEV.=28.40 4-E INV ELEV.=28.30 4-W INV. ELEV.=28.40
AutoCAD SHX Text
CONC. MES WITH RIPRAP
AutoCAD SHX Text
CONC. MES
AutoCAD SHX Text
LIMITS OF REFUSE
AutoCAD SHX Text
(APPROXIMATE)
AutoCAD SHX Text 4"%%c
AutoCAD SHX Text
CONDENSATE
AutoCAD SHX Text
SUMP #2
AutoCAD SHX Text
CS-2
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