1-24012197-Sh01 Concrete Pad Grading Plan rev-1.pdf

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Attached to
2026 Concrete & Demolition Debris Area Construction - 26-536-C&D-C
Solicitation number
Not on record
Issued by
Chester County, Pennsylvania

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Written by GovTribe AI ·

This is a Concrete Pad Grading Plan prepared by ARM Group LLC for the Chester County Solid Waste Authority (CCSWA), depicting construction design specifications for a concrete pad area at the Lancaster Landfill in Area E, Cell 3A, located in Caernarvon and Salisbury Townships in Lancaster County, Pennsylvania. The project involves site grading and installation of approximately 8,807 square feet of concrete pad to support onsite concrete crushing operations, including removal and reinstallation of existing bollards, installation of a catch basin with associated storm sewer piping, connection to an existing manhole, and installation of concrete bins. The plan incorporates erosion and sediment controls through the installation of 12-inch and 18-inch filter sock, silt sack inlet protection, perimeter berms, and a proposed concrete washout area. The drawing, dated April 11, 2025 (Revision 1, issued for bid on May 21, 2026), includes existing topography data prepared in accordance with ASPRS Positional Accuracy Standards, coordinate systems referenced to local site coordinates, and detailed elevation contours ranging from 940 to 980 feet. The plan specifies existing infrastructure including two 48-inch reinforced concrete pipe culverts, an existing catch basin with rim elevation of 959.8 feet, and existing leachate force mains and HDPE landfill gas conveyance piping.

The design incorporates a proposed 12-inch Class V RCP stormwater drainage system running 60 feet at 0.8 percent slope, with a new PADOT Type 4 inlet box catch basin set at rim elevation 960.0 feet. Engineering contact information identifies Wade Anundson, P.E. at ARM Group (570-489-8717) and owner contact Chris Toevs, P.E. at CCSWA (610-273-3771). The plan emphasizes that the original drawing was produced in color, with non-color reproductions potentially insufficient for feature differentiation. Pennsylvania's One Call System (1-800-242-1776) notification is required three working days prior to excavation activities in accordance with PA Act 172 of 1986. No specific pricing, set-asides, contract term, or award information is contained within this technical design document.

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EXISTING

CATCH BASIN S-6

RIM ELEVATION: 959.8'

EXISTING CULVERT 6B

48" RCP

INLET EL: 948.7'

OUTLET EL: 939.1'

EXISTING CULVERT 6A

48" RCP

PROPOSED

35'X35' CONCRETE BIN

PROPOSED CONCRETE PAD

EXISTING E2

WET WELL

EXISTING E2 WET WELL

EQUIPMENT PAD

PROPOSED 12" FILTER

SOCK (TYP.)

PROPOSED

AGGREGATE SURFACINGPROPOSED

CONSTRUCTION JOINT

PROPOSED

SAWCUT JOINT

PROPOSED

PADOT TYPE 4

INLET BOX CATCH BASIN

RIM ELEVATION = 960.0

12"RCP INV. OUT = 956.7

TIE TO EXISTING

CATCH BASIN AT

INV. ELEVATION 956.25

PROPOSED

12" CLASS V RCP

60' @ 0.8% SLOPE

CONCRETE AREA

(8,807 SF)

EXISTING

BOLLARD

(TYP.)

EXISTING

BOLLARDS TO

BE REMOVED

CAERNARVON TOWNSHIP

LANCASTER COUNTY

SALISBURY TOWNSHIP

LANCASTER COUNTY

AREA E, CELL 3A

18 18 18 18 18 18

REINSTALL

BOLLARDS AS

REQUIRED

24 24

PROPOSED

CONCRETE WASHOUT

PROPOSED

LIMIT OF DISTURBANCE

940940

INSTALL SILTSACK INLET

PROTECTION OR APPROVED

EQUAL

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961.5 961.5

961.5

PERIMETER BERM ALIGNMENT

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PROPOSED LANDFILL ACCESS ROAD

>> PROPOSED STORMWATER CHANNEL

PROPOSED LANDFILL CELL BOUNDARY

PROPOSED MSE BERM CONTOURS1000

PROPOSED DRAINAGE CULVERT

EXISTING GROUND SURFACE

ELEVATION CONTOURS (FT.)

LEGEND

EXISTING TREELINE

EXISTING BUILDING

EXISTING PAVED ROAD

EXISTING UNPAVED ROAD

XX EXISTING FENCELINE

>> EXISTING DITCH/CHANNEL

EXISTING UTILITY POLE

EXISTING CULVERT

EXISTING PROPERTY BOUNDARY

OE OE EXISTING OVERHEAD ELECTRIC

TOWNSHIP BOUNDARY

EXISTING LEACHATE FORCEMAINFM FM

EXISTING HDPE LFG CONVEYANCE PIPING

EXISTING AREA E CONSTRUCTED

LINER SYSTEM BOUNDARY

PROPOSED TEMPORARY

LANDFILL ACCESS ROAD

PROPOSED AGGREGATE SURFACING

EXISTING ANCHOR TRENCH

NOTES:

1. EXISTING TOPOGRAPHY DATA WAS PREPARED IN ACCORDANCE WITH

ASPRS POSITIONAL ACCURACY STANDARDS FOR DIGITAL GEOSPATIAL

DATA - 2014. THE ELEVATION DATA WAS DERIVED FROM

PHOTOGRAMMETRIC METHODS USING AERIAL PHOTOS AT THE TIME OF

THIS SURVEY. SURVEY WAS PREPARED BY APEX COMPANIES, LLC, DATED

1/2/2024.

2. COORDINATE SYSTEM: ALL DRAWINGS ARE ON LOCAL SITE COORDINATES.

3. THIS SHEET WAS ORIGINALLY PRODUCED AS A COLOR DRAWING.

NON-COLOR REPRODUCTIONS DO NOT SUFFICIENTLY DIFFERENTIATE

AMONG FEATURES DEPICTED ON THIS DRAWING.

4. OWNER CONTACT INFORMATION: CHRIS TOEVS, P.E., CCSWA:

610-273-3771; ENGINEER CONTACT INFORMATION: WADE ANUNDSON, P.E.

ARM GROUP: 570-489-8717

PROPOSED BIN BLOCK SAFETY BARRIER

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PROPOSED CONCRETE PAD

PROPOSED CONCRETE PAD CONTOURS1000

PROPOSED 18" FILTER SOCK18 18

PROPOSED SAWCUT JOINT

PROPOSED CONSTRUCTION JOINT

PROPOSED LIMIT OF DISTURBANCE

DIRECTION OF SURFACE FLOW

960.4

PROPOSED SPOT ELEVATION

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This drawing, its contents, and each component of this drawing are the property of and proprietary to ARM Group LLC and shall not be reproduced or used in any manner except for the purpose identified on the Title Block, and only by or on behalf of this client for the identified project unless otherwise authorized by the express, written consent of ARM Group LLC.

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WORKING DAYS NOTICE

PA. ACT 172 OF 1986 REQUIRES THREE

PENNSYLVANIA ONE CALL SYSTEM

1-800-242-1776 !

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File details come from the government source that posted it. Updated .