BERM CROSS SECTION~1.pdf
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- Solicitation number
- BD-27-1069-MILDV-30000-135116
- Issued by
- Massachusetts
About this file
This file is a technical cross-section diagram for the India Range Berm project in Massachusetts, detailing soil remediation and restoration specifications. The document provides engineering schematics for the removal and replacement of munitions-impacted soils on the berm, illustrating the layered construction sequence including removal of existing vegetation and top 40 inches of soil, installation of select sand fill material (maximum 1/8" gradation), erosion control matting (Tensar SC-150 BN or approved equal), and final topsoil placement. The diagram specifies typical sections with dimensions including an 82-foot berm width, 4-inch topsoil depth, 6.56-foot select sand fill height, and variable core fill dimensions, along with notes regarding soil screening requirements, material specifications, and erosion control installation protocols on slopes exceeding 2:1 grade.
All work must be completed by December 30, 2026, with the project scope encompassing removal and disposal of impacted soils, restoration of the inner liner mat with fabric replacement, installation of new 1/4" minus soils across the entire berm surface, jute matting application, and hydroseeding. The cross-section diagram serves as the technical specification guide for contractors bidding on ITB 250597, ensuring uniform implementation of the soil remediation and berm restoration requirements across the project area.
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Text version
D
EXISTING BERM
C
B
A
5'
TOPSOIL &
EROSION
CONTROL
FABRIC
VARIES 8'
(1YP.)
6.56
20.4'
TOP SOIL
SELECT SAND FILL
BACKSTOP CORE FILL�
4' lYPICAL SECTION
@ �MN.T.;:- ZERO RANGE
TOPSOIL
SC-150 BN
EROSION CONTROL MATTING
ON STEEPER THAN 2:1 SLOPES
FINISHED GRADE
SELECT SAND FILL
@ rYf J_f.5
AL SELECT SAND FILL SECTION
18' w :::;; _J lD 1 N w :z: t:;:;
0 a::
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VARIES
EXISTING GROUND 10: 1
NOTES:
1. REMOVE THE TOP 40 INCHES OF EXISTING VEGETATION AND SOILS
BEFORE INSTALLING THE SELECT MATERIAL.
2. THE SOISL SHALL BE SCREENED TO A MAXIMUM PARTICLE SIZE OF
½" AND ON TOP OF THECORE FILL..
3. THE TOPSOIL SHALL HAVE ALL DEBRIS AND ROCK REMOVED AND
SHALL BE SCREENED TO A MAXIMUM PARTICLE SIZE OF ½"
BEFORE BEING PLACED ON THE SELECT SAND FILL.
4. THE MAXIMUM SIZE GRADATION FOR SELECT SAND FILL MATERIAL
SHALL BE 1 /8"
5. INSTALL EROSION CONTROL MATTING ON ALL SLOPES OVER THE
CORE LAYER AND ON TOP OF THE SELECT FILL LAYER BELOW
THE TOPSOIL. EROSION CONTROL MATTING SHALL BE
TENSAR-SC-150 BN OR AN APPROVED EQUAL.
6. PLACE 4" OF TOPSOIL ON ALL DISTURBED AREAS BEFORE
SEEDING.
7.
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Sheet reference number:
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C-301
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