Map_Historic Features.pdf

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Tree Clearing, Ely Mine, Vershire, VT
Solicitation number
W912WJ24Q0035
Issued by

About this file

This document includes a federal contract solicitation and related project documents. The solicitation is for tree clearing encompassing 21.1 acres at the Ely Copper Mine Superfund site in Vershire, Vermont. The work consists of furnishing all labor, materials, and equipment to provide tree clearing services. This procurement is set aside for small business vendors with a NAICS code of 561730 and size standard of $9.5 million. The related project documents provide an overview plan and existing conditions map for historical features at the Ely Copper Mine Superfund site, noting areas requiring remediation and surveying control points. The soliciting agency is the Department of the Army Corps of Engineers Engineering District New England. All vendors must have an active SAM.gov registration by the submission deadline to be considered.

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80069-OVERVIEW-PLANS.dwg

EXISTING CONDITIONS

& HISTORICAL

FEATURES

OVERVIEW PLAN

00 200' 400'

GRAPHIC SCALE

SHEET

SHEET TITLE

CAD DRAWING FILE:

CHECKED BY:

80069-OVERVIEW-PLANS.dwg

DRAWN BY:

NOBIS PROJECT NO.

DATE:

REVISIONS

NO. DATE DESCRIPTION

ELY COPPER MINE

SUPERFUND SITE

OU1 REMEDIAL DESIGN

SOUTH VERSHIRE ROAD

VERSHIRE, VERMONT

FINAL DESIGN

(100%)

JANUARY 2020

80069.11

SM

AB

Nobis Group® 18 Chenell Drive

Concord, NH 03301 T(603) 224-4182 www.nobis-group.com

NOTES:

1. GROUND BASED SURVEY WAS COMPLETED BY DOUCET SURVEY IN DECEMBER 2012.

2. TOPOGRAPHIC INFORMATION OUTSIDE LIMITS OF GROUND SURVEY IS BASED ON INFORMATION PROVIDED TO NOBIS ENGINEERING, INC, BY URS CORPORATION, IN JULY 2008 AND AERIAL SURVEY COMPLETED BY EASTERN TOPOGRAPHICS, INC. IN SPRING 2013.

3. HORIZONTAL DATUM BASED ON VERMONT STATE PLANE COORDINATE SYSTEM 4400 NAD 83 (2011) DERIVED FROM STATIC GPS OBSERVATIONS PROCESSED BY THE NATIONAL GEODETIC SURVEY ON-LINE POSITIONING USER SERVICE (OPUS).

4. VERTICAL DATUM IS BASED ON NVGD 29.

5. REFER TO SHEET G-1 FOR GENERAL NOTES AND LEGEND.

6. CONTRACTOR SHALL HIRE A LICENSED LAND SURVEYOR TO INSTALL A MINIMUM OF FIVE (5) ADDITIONAL CONTROL POINTS IN EXPOSED BEDROCK OR CONCRETE FOUNDATIONS TO REMAIN IN-PLACE PRIOR TO THE START OF CONSTRUCTION. THESE

CONTROL POINTS SHALL BE MAINTAINED THROUGHOUT THE REMEDIAL ACTION.

SOURCE AREA LEGEND

UPPER WASTE AREA (UWA)

LOWER WASTE AREA (UWA)

ORE ROAST BEDS (ORB)

DEVELOPMENT ROCK PILE

TAILING AREAS (TA)

PONDS 4 & 5 AREA

ELY BROOK UPPER REACH (EB-UR)

ELY BROOK MIDDLE REACH (EB-MR)

ELY BROOK LOWER REACH (EB-LR)

ELY BROOK TRIBUTARY-1 (EBT-1)

ELY BROOK TRIBUTARY-3 (EBT-3)

C-1UNDERGROUND WORKINGS (UGWs)

SURVEY CONTROL POINTS

ID NORTHING EASTING ELEV. DESCRIPTION

1 517013.21 1697005.44 977.25 DUPLEX NAIL FOUND UP 12" IN UP #63

2 518955.94 1697002.21 1034.68 HIGH POINT OF MONITORING WELL #21C

3 520440.28 1697089.36 1247.65 HIGH POINT OF MONITORING WELL #19D

APRIL 2023

AB

BK

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