VA_ERFO_COLO_2011-1(1)_Amendment_002.pdf

Amendment No. 002

Info Page 1 of 1

U.S. DEPARTMENT OF TRANSPORTATION

FEDERAL HIGHWAY ADMINISTRATION

EASTERN FEDERAL LANDS HIGHWAY DIVISION

Amendment No. 002 Project VA ERFO COLO 2011-1(1)

Colonial National Historical Park - Bridge Repairs Solicitation: DTFH71-13-B-00033

The purpose of this Amendment is to:

1) Revise the Plans to modify the temporary construction sign support requirements and to clarify stream diversion option details.

The Bid Opening date of June 18, 2013 at 2:00 pm EST will remain the same.

Plan Sheet Changes

Delete Plan Sheets C03, C04, and S02, and substitute amended Plan Sheets C03, C04, and S02.

a) Sheet C03 (Construction Sign Schedule) replaced the single 4”x4” post with portable sign supports.

b) Sheet C04 (Construction Sign Schedule) replaced the single 4”x4” post with portable sign supports.

c) Sheet S02 (Temporary In-Stream Diversion Methods) updated NOTE 1, TABLE 1, and all diversion option details.

No.

Sign

No.

Text Sign Text Remarks

Station Side Series Combination

Color Quantity

LOCATION PANEL SIZE TEXT SIZE

(in.)

Width

(sq ft)

Area

(in.)

Radii

Corner

(in.)

Width

Border

(in.)

Width

Margin

(in.)

Numbers

(in.)

Case

Upper

(in.)

Case

Lower

(sq ft)

Total Area

(ft)

Support (in.)

Height (No Pay)

1 See Note 2

Note 3

See

SIGN SCHEDULE

CONSTRUCTION

ROAD WORK

END

G20-2 36 18 4.5

Orange on

Black

SHEET 1 OF 2

2 9

W20-1 WORK

AHEAD

ROAD

Note 3

See 36 36 9 See Note 2

Orange on

Black

2 18

SHOULDER

WORK

W21-5 Note 3

See 36 36 9 See Note 2

Orange on

Black

1 9

MPH

W13-1P 35 Note 3

See 18 18 2.25 1 2.25 -

Mount under sign W21-5See Note 2

Orange on

Black

47.25

C03

5 W20-7a Note 3

See

See Note 2

Orange on

Black

1 936 36 9

NOTES:

2.

and "Standard Highway Signs" for dimensions.

See "Manual on Uniform Traffic Control Devices, 2009 Edition"

1. Install supports in accordance with Detail E635-01.

Subtotal

3. Locate proposed signs in accordance with Detail ET635-10.

Portable sign support

Portable sign support

Portable sign support

Portable sign support

AMENDMENT #002

Revision to remark notes L.CANO

DESCRIPTION BY DATE

REVISIONS

NO.

1 05/21/13

Eliminated support quantity 2 L.CANO 05/21/13

M

P R

O J E

C T

S c o lo -1 (1

P r o j

D e v C

A D

D C

C O

L O -1 (1

S ig n S c h e d u le s .d g n

T

IM

E

-M a y -2

:2

A

U.S. DEPARTMENT OF TRANSPORTATION

FEDERAL HIGHWAY ADMINISTRATION

EASTERN FEDERAL LANDS HIGHWAY DIVISION

STERLING, VIRGINIA

REG STATE PROJECT SHEET NO.

NE VA

NPS

NO.

COLONIAL NATIONAL HISTORICAL PARK

64004

2011-1(1)

VA ERFO COLO

Rounded Total

Total 11

No.

Sign

No.

Text Sign Text Remarks

Station Side Series Combination

Color Quantity

LOCATION PANEL SIZE TEXT SIZE

(in.)

Width

(sq ft)

Area

(in.)

Radii

Corner

(in.)

Width

Border

(in.)

Width

Margin

(in.)

Numbers

(in.)

Case

Upper

(in.)

Case

Lower

(sq ft)

Total Area

(ft)

Support (in.)

Height (No Pay)

See Note 2

SIGN SCHEDULE

CONSTRUCTION

W11-V2 36 36

Orange on

Black

SHEET 2 OF 2

4 36

NOTES:

2.

1. Install supports in accordance with Detail E635-01.

P R

O J E

C T

S c o lo -1 (1

P r o j

D e v C

A D

D C

L O -1 (1

S ig n S c h e d u le s .d g n

T

IM

E

-M a y -2

U.S. DEPARTMENT OF TRANSPORTATION

FEDERAL HIGHWAY ADMINISTRATION

EASTERN FEDERAL LANDS HIGHWAY DIVISION

STERLING, VIRGINIA

COLONIAL NATIONAL HISTORICAL PARK

CONSTRUCTION

ENTRANCE

Note 3

See

See "Virginia Standard Highway Signs, 2011 Edition" for dimensions.

Subtotal 36 56

83.25

3. Locate W11-V2 as directed by the CO

C04

Portable sign support

AMENDMENT #002

Revision to remark notes L.CANO

DESCRIPTION BY DATE

REVISIONS

NO.

1 05/21/13

2 Eliminated support quantity L.CANO 05/21/13

P R

O J E

C T

S c o lo -1 (1

P r o j

D e v C

A D

D C

L O -1 (1

S ig n S c h e d u le s .d g n

T

IM

E

-M a y -2

U.S. DEPARTMENT OF TRANSPORTATION

FEDERAL HIGHWAY ADMINISTRATION

EASTERN FEDERAL LANDS HIGHWAY DIVISION

STERLING, VIRGINIA

REG STATE PROJECT SHEET NO.

NE VA

NPS

NO.

COLONIAL NATIONAL HISTORICAL PARK

64004

U.S. CUSTOMARY DETAIL

DETAIL

DIVERSION METHODS

TEMPORARY IN-STREAM

E157-A

OPTION B

24"

OPTION C

OPTION D

12"

OPTION A

Existing Abutment or Pier min.

NOTES:

Limit of work zone

Limit of work zone

Limit of work zone

Min. Top Berm Elev

Min. Top Berm Elev

Min. Top Berm Elev

NO SCALE

6" min.

min.

U.S. DEPARTMENT OF TRANSPORTATION

FEDERAL HIGHWAY ADMINISTRATION

EASTERN FEDERAL LANDS HIGHWAY DIVISION

(anchoring method to be approved by CO)

Waterproof membrane

Existing ground

Concrete barrier

Sandbag (Typ.)

min.

4’- 6"

Concrete barrier

Sandbag (Typ.)

Waterproof membrane

Existing ground

Concrete barrier

Sandbag (Typ.)

Waterproof membrane

Waterproof membrane

Sandbag (Typ.)

Existing ground a t ti m e o f c o n ts r u c ti o n

D iv e r te d w a te r l e v e l a t ti m e o f c o n s tr u c ti o n

D iv e r te d w a te r l e v e l a t ti m e o f c o n s tr u c ti o n

D iv e r te d w a te r l e v e l a t ti m e o f c o n s tr u c ti o n

D iv e r te d w a te r l e v e l

(cfs)

Q

TABLE 1

of Diversion Berm

Approx. Height

DETAIL APPROVED FOR USE

4.

3.

2.

1.

n/a n/a

S02

APPROVED :

12"

0.5’ (min.)

0.5’ (min.)

0.5’ (min.)

0.5’ (min.)

AMENDMENT #002

Place a maximum of one diversion in the stream at any given time.

as needed after rainfall events or as directed by the CO.

While in use, inspect and maintain the temporary diversion berm daily. Repair

Construct temporary diversion according to Subsection 157.09.

for approval prior to installation.

of 0.5 ft of freeboard. Submit plans for temporary stream diversion to the CO minimum height equivalent to the Mean High Water elevation (MHW) with a minimun berms, dams, etc.). As a minimum, provide a temporary diversion berm with a diverting the stream (including any approved prefabricated or portable diversion construction operations. The Contractor may choose an alternate means of

The options shown are suggested configurations for diverting the stream during

MHW elevation

MHW elevation

MHW elevation

MHW elevation

Existing ground

Varies

Varies

1.21College Creek Bridge

Mill Creek Bridge

Isthmus Bridge Varies

1.21

1.21n/a

(ft)

MHW

Site Location

REVISIONS

DESCRIPTION

Revision to Note 1

NO. BY DATE

L.CANO1

05/21/13

L.CANO 05/21/13Additional diversion detail

05/21/13L.CANORevision to Table 1 3

P R

O J E

C T

S c o lo -1 (1

P r o j

D e v C

A D

D S td -D e t\

S -s t1 d e ta il -A m e n d m e n t.

d g n

T

IM

E

-M a y -2

:0

REG STATE PROJECT SHEET NO.

NE VA

NPS

NO.

64004