OM_of_LFG_EXISTING_CONDITIONS_SOUTH_CELL.pdf

PDF 3 MB Posted

Attached to
Operations and Maintenance of the Landfill Gas system for Volusia County Solid Waste
Solicitation number
25-B-156IF
Issued by
Volusia County, Florida

About this file

Written by GovTribe AI ·

This document is a civil engineering drawing 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 drawing depicts the existing conditions of the landfill's south cell, showing detailed topographical contours and an extensive network of landfill gas extraction infrastructure, including horizontal and vertical wells, air supply pipes, condensate discharge pipes, headers, laterals, and access risers. The drawing is based on aerial surveys from June 28, 2023, and previous landfill gas collection system as-built drawings from August 2021 and January 2025.

The drawing provides a comprehensive mapping of the existing infrastructure, with precise locations of various components such as EW (extraction wells), HC (horizontal collectors), CS (condensate sumps), AP (access risers), and HWLCO (leachate cleanout risers). The site appears to have multiple pipe sizes ranging from 4" to 12" in diameter, predominantly HDPE pipes, and is designed with a complex gas collection system to manage landfill emissions. The document is sealed by a professional engineer and includes a scale of 1" = 125', with the drawing dated July 2025 and associated with project number 09219088.14, indicating an ongoing expansion and optimization of the landfill's gas management infrastructure.

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File Type Posted
Operations_and_Maintenance_of_the_Landfill_Gas_system_for_Volusia_County_Solid_Waste_(Addendum_#2_Revision).pdf PDF
Operations_and_Maintenance_of_the_Landfill_Gas_system_for_Volusia_County_Solid_Waste_(Addendum_#1_Revision).pdf PDF
Exhibit_B_-_Bid_Price_Sheet_25-B-156IF_-_REVISION_1_-_**Replaces_ALL_Previous_Versions**.xlsx XLSX spreadsheet
Exhibit_E_-_Existing_Conditions_South_Cell.pdf PDF
Exhibit_D_-_Existing_Conditions_North_Cell.pdf PDF
Exhibit_C_-_Insurance_Requirements_25-B-156IF.pdf PDF
Exhibit_A_-_Scope_of_Services_-_Technical_Specifications.pdf PDF
OM_of_LFG_EXISTING_CONDITIONS_NORTH_CELL.pdf PDF
Scope_of_WorK_OM_of_LFG_system_final.docx DOCX document
OM_of_LFG_system_bid_sheet.xlsx XLSX spreadsheet

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U E

4 -12"Ø HDPE PIPES

HC

HC

HC

HC

10"

EW-25R

EW-2

EW-59

EW-1

EW-60

EW-56

EW-55

EW-57

LS-1LCR-1

HC

HC

HC

HCEW-30

HWLCO-2

HWLCO-1

6"

10"

4"

6"

6"

EW-73

EW-57

6"

10"

6"

V-1

CV-1AV-1

V-2CV-2

AV-2

6"

8"

10"

8"

10"

8"

8" 6"

HC-18B

HC-8B

HC-7B

HC-26B

HW-20B HW-21B

HW-23B

HW-22B

EW-26

EW-77

6"

EW-29EW-28

EW-27

HC-11B

EW-88

EW-58

CS-14

CS-17

AP-16

AP-4

AP-7 AP-15AP-6

CS-12

CS-3

AP-20CS-13AP-21CS-15 AP-8

AP-5 CS-16CS-18

AP-9

EW-926"

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DRAWING NO.

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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.

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09219088.14_EX-COND.DWG

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

EW-##

HW-##B

HC-##A

CS-##

LCR-##

LEGEND:

0 12562.5

1" = 125'

250N

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

(APPROXIMATE)

AutoCAD SHX Text

LIMITS OF REFUSE

AutoCAD SHX Text 5.0%

AutoCAD SHX Text

CS-4

AutoCAD SHX Text 4"%%c

AutoCAD SHX Text 8"%%c

AutoCAD SHX Text 6"%%c

AutoCAD SHX Text 16"%%c

AutoCAD SHX Text 10"%%c

AutoCAD SHX Text 6"%%c

AutoCAD SHX Text

RISER

AutoCAD SHX Text

BLOWER FLARE

AutoCAD SHX Text

STATION

AutoCAD SHX Text

CS-1

AutoCAD SHX Text 6"%%c

AutoCAD SHX Text 8"%%c

AutoCAD SHX Text 6"%%c

AutoCAD SHX Text

LIMITS OF REFUSE

AutoCAD SHX Text

(APPROXIMATE)

AutoCAD SHX Text 14"%%c

AutoCAD SHX Text 16"%%c

AutoCAD SHX Text 14"%%c

AutoCAD SHX Text 6"%%c

AutoCAD SHX Text 6"%%c

AutoCAD SHX Text 10"%%c

AutoCAD SHX Text 6"%%c

AutoCAD SHX Text 10"%%c

AutoCAD SHX Text 6"%%c

AutoCAD SHX Text 4"%%c

AutoCAD SHX Text 10"%%c

AutoCAD SHX Text 6"%%c

AutoCAD SHX Text

CS-3

AutoCAD SHX Text 6"%%c

AutoCAD SHX Text 8"%%c

AutoCAD SHX Text 10"%%c

AutoCAD SHX Text 4"%%c

AutoCAD SHX Text 16"%%c

AutoCAD SHX Text

EW-31

AutoCAD SHX Text

EW-33

AutoCAD SHX Text

EW-32

AutoCAD SHX Text

EW-7

AutoCAD SHX Text

EW-8

AutoCAD SHX Text

EW-46

AutoCAD SHX Text

EW-28

AutoCAD SHX Text

EW-2

AutoCAD SHX Text

EW-3

AutoCAD SHX Text

EW-30

AutoCAD SHX Text

EW-5

AutoCAD SHX Text

EW-4

AutoCAD SHX Text

EW-1

AutoCAD SHX Text

TYPICAL EXTRACTION WELL

AutoCAD SHX Text

LATERAL TRENCH

AutoCAD SHX Text

CONDENSATE

AutoCAD SHX Text

SUMP #2

AutoCAD SHX Text

SUMP #3

AutoCAD SHX Text

CONDENSATE

AutoCAD SHX Text

CONDENSATE

AutoCAD SHX Text

SUMP #4

AutoCAD SHX Text

BLIND FLANGE

AutoCAD SHX Text

TOP ELEV. = 88.28

AutoCAD SHX Text

WELL 2902

AutoCAD SHX Text

WELL 4402

AutoCAD SHX Text

WELL 4502

AutoCAD SHX Text

NW-05

AutoCAD SHX Text

NW-06

AutoCAD SHX Text

NW-07

AutoCAD SHX Text

WELL 4002

AutoCAD SHX Text

WELL 3902

AutoCAD SHX Text

NW-10

AutoCAD SHX Text

WELL 4702

AutoCAD SHX Text

NW-12

AutoCAD SHX Text

EW-48

AutoCAD SHX Text

NW-14

AutoCAD SHX Text

NW-08

AutoCAD SHX Text

NW-02

AutoCAD SHX Text

EXISTING CORRUGATED PLASTIC

AutoCAD SHX Text

STORMWATER LINES (TYP,)

AutoCAD SHX Text 22"

AutoCAD SHX Text 14"

AutoCAD SHX Text 16"

AutoCAD SHX Text 10"

AutoCAD SHX Text

LINE SECTIONS INSTALLED

AutoCAD SHX Text

CORRUGATED PLASTIC STORMWATER

AutoCAD SHX Text

BY VOLUSIA COUNTY (TYP.)

AutoCAD SHX Text 10"

AutoCAD SHX Text

BLIND

AutoCAD SHX Text

FLANGE

AutoCAD SHX Text

CS-2

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EXISTING CONDITIONS SOUTH CELL

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