10-Construction Plan Set Sheet 9 of 19 - ADDENDUM 1.pdf

PDF 266 KB Posted

Attached to
Pratts Dam Road Bank Stabilization Project
Solicitation number
US.235576
Issued by
Chester County, Pennsylvania

About this file

This document is Construction Plan Set Sheet 9 of 19, Addendum 1, for the Pratts Dam Road Bank Stabilization Project in West Brandywine Township, Pennsylvania. The project involves the replacement of existing retaining walls along the west side of Pratts Dam Road and the construction of associated infrastructure improvements. The scope of work includes furnishing all necessary labor, equipment, and materials for replacing an existing retaining wall with a soldier pile retaining wall, constructing a new second soldier pile retaining wall, placing rock protection along both retaining walls, implementing drainage improvements, constructing full depth pavement, upgrading safety features, and completing other associated work. This specific sheet is the ninth of nineteen construction plan sheets and represents modifications or clarifications issued through Addendum 1 to the original construction documents.

No specific pricing terms, contract award dates, response deadlines, site visit information, bidder's meeting details, set-asides, incumbent contractor information, or funding source details are provided in this construction plan sheet. The document functions as a technical drawing or specification sheet within the broader construction plan set rather than as a contracting document containing procurement terms or contractual conditions.

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OF

REVISIONS DATE BY DISTRICT COUNTY ROUTE SECTION SHEET

SUMMARY

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ENGINEER

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REGISTERED

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NWEALT

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06 CHESTER 7015 L-695 9 19

WEST BRANDYWINE TOWNSHIP

♦ - SEE SPECIAL PROVISIONS

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CLEARING AND GRUBBING NO TAB

EACH

66" RED SUBSURFACE DRAIN OUTLET MARKER 10

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2 3000

AND

AND

AND

AND

EITHER

AND

AND

AND

10000

STR

STR

STR

STR

STR

STR

STR

STR

STR

STR

AND

AND

AND

SUPERPAVE ASPHALT MIXTURE DESIGN, BINDER

COURSE, PG 64S-22, 0.3 TO < 3 MILLION ESALS, 19.0

MM MIX, 2 1/2" DEPTH

4" WHITE EPOXY PAVEMENT MARKINGS

LF

LS

LS

DOLLA

CY

CLASS 1 EXCAVATION 10 PERMANENT IMPACT ATTENUATING DEVICE, TYPE II,

TEST LEVEL 3, TANGENT (MASH)

E & S

CLASS 2 EXCAVATION

E & S

E & S

E & S

LB

EACH

LF

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LB

LB

EACH

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SF

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SAW CUTTING 10

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4" YELLOW EPOXY PAVEMENT MARKINGS

E & S

TCP

TYPE 31-S GUIDE RAIL

TYPE 31-SC GUIDE RAIL

TEMPORARY BARRIER, TEST LEVEL 3, BARRIER

DEFLECTION DISTANCE < /=2'

MICROCOMPUTER WITH BATTERY BACKUP SYSTEM,

TYPE A

TOPSOIL FURNISHED AND PLACED

TEMPORARY SHORT-TERM, ROLLED EROSION

CONTROL PRODUCT, TYPE 2D

PUMPED WATER FILTER BAG

MAINTENANCE AND PROTECTION OF TRAFFIC

DURING CONSTRUCTION

ADDITIONAL TRAFFIC CONTROL SIGNS

SOLDIER PILE RETAINING WALL, AS DESIGNED, L-695

CY

LF

CY

REINFORCEMENT BARS, EPOXY COATED

CONSTRUCTION SURVEYING, TYPE D

FOREIGN BORROW EXCAVATION 10

CY

SELECTED BORROW EXCAVATION ROCK, CLASS R-4,

GROUTED

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DOWEL HOLES, 12" DEPTH

42" DIAMETER DRILLED CAISSONS, SHAFT SECTION

IN SOIL

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GEOTEXTILE, CLASS 1

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SY

36" DIAMETER DRILLED CAISSONS, SHAFT SECTION

IN ROCK

GEOTEXTILE, CLASS 4, TYPE A

DOLLA

TEMPORARY PROJECT AIR POLLUTION CONTROL NO TAB

EACH

42" DIAMETER DRILLED CAISSONS, SHAFT SECTION

IN SOIL MODIFIED

36" DIAMETER DRILLED CAISSONS, SHAFT SECTION

IN ROCK MODIFIED

SY

SUPERPAVE ASPHALT MIXTURE DESIGN, BASE

COURSE, PG 64S-22, 0.3 TO < 3 MILLION ESALS, 25.0

MM MIX, 6" DEPTH

SY

SUBBASE 6" DEPTH (NO. 2A)

SOLDIER PILE RETAINING WALL, AS DESIGNED, L-696

SY

SUPERPAVE ASPHALT MIXTURE DESIGN, WEARING

COURSE, PG 64S-22, 0.3 TO < 3 MILLION ESALS, 9.5 MM

MIX, 1 1/2" DEPTH, SRL-G

10 0806

REINFORCEMENT BARS, EPOXY COATED

DOWEL HOLES, 12" DEPTH

SY

SY

SY

42" DIAMETER DRILLED CAISSONS, SHAFT SECTION

IN SOIL

ASPHALT TACK COAT

SY

MILLING OF ASPHALT PAVEMENT SURFACE,

VARIABLE DEPTH, MILLED MATERIAL RETAINED BY

CONTRACTOR SY

36" DIAMETER DRILLED CAISSONS, SHAFT SECTION

IN ROCK

42" DIAMETER DRILLED CAISSONS, SHAFT SECTION

IN SOIL MODIFIED

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18" REINFORCED CONCRETE PIPE, TYPE A, 15' - 2'

FILL, 100 YEAR DESIGN LIFE

EACH

SET

36" DIAMETER DRILLED CAISSONS MODIFIED

TYPE S CONCRETE TOP UNIT AND BICYCLE SAFE

GRATE

EACH

EACH

STANDARD INLET BOX, HEIGHT < /= 10'

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MONITORING OF EXISTING RETAINING WALL

EACH

REMOVAL OF PORTION OF EXISTING RETAINING

WALL

MOBILIZATION 0860

EACH

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INSPECTOR'S FIELD OFFICE AND INSPECTION

FACILITIES, TYPE C

STABILIZATION OF EXISTING RETAINING WALL

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EQUIPMENT PACKAGE

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STABILIZATION OF EXISTING SLOPE

15" TEMPORARY FLEXIBLE PIPE AND CONNECTOR

INLET FILTER BAG FOR TYPE S INLET

6" PAVEMENT BASE DRAIN 10

TCP

NO TAB

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NO TAB

E & S

E & S

DAY

NO TAB

E & S

E & S

E & S

AND

AND

EITHER

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6" SUBSURFACE DRAIN OUTLETS 10

SUBSURFACE DRAIN OUTLET ENDWALL (SLOPED)

E & S

COMPOST FILTER SOCK, 12" DIAMETER

ADDITIONAL WARNING LIGHTS, TYPE B

INLET FILTER BAG FOR TYPE M INLET

REPLACEMENT PUMPED WATER FILTER BAG

ROCK, CLASS R-3

ROCK CONSTRUCTION ENTRANCE

SEEDING - FORMULA T TEMPORARY GRASS MIX

SEEDING AND SOIL SUPPLEMENTS - FORMULA L

CLEAR ZONE MIX, INCLUDING MULCH

TEMPORARY IMPACT ATTENUATING DEVICE, TYPE V

(STANDARD), TEST LEVEL 3

NARRATIVE SCHEDULE

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EACH

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10 0937

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GUIDE RAIL MOUNTED DELINEATOR TYPE D, (W/W)

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PE076275

TIFFANY A. MCCLURE

SHEET 1 OF 1 PROJECT ID: 7076 MPMS: ECMS: 9/11/2026 11:31:36 AM

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SELECTIVE TREE TRIMMING TO AN UNLIMITED

HEIGHT, WITH COORDINATION

EACH

SELECTIVE TREE REMOVAL

ADDING TREE TRIMMING AND REMOVAL 10/27/2026 TAM

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