Plans - NP-BLRI_1M20.pdf

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NO. DATE REVISIONS NO. DATE BY REVISIONS

GENERAL NOTES:

SPECIFICATIONS:

Construction:

MATERIALS:

Design:

Concrete:

Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, FP-14.

GENERAL NOTES AND INDEX

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SHEET TITLE

INDEX OF PLAN SHEETS

SHEET NO.SCOPE OF WORK

th AASHTO LRFD Bridge Design Specifications, 8 edition, 2017

Verify locations of utilities in field prior to any work.

Verify all dimensions and locations in field prior to ordering materials.

Miscellaneous:

Paint:

Provide 2 inches concrete cover for reinforcing steel unless otherwise noted.

Furnish reinforcing steel conforming to AASHTO M 31, Grade 60.

No Scale

Concrete Repair

Typical Section

Plan and Elevation

General Notes and Index

- inch unless otherwise noted.4 3Chamfer exposed edges of all concrete

Furnish Class A (AE) concrete with f'c = 4.5 ksi at 28 days.

Furnish Class HES concrete with f'c = 3.0 ksi at 24 hours.

Reinforcing Steel:

riprap class 3.

Remove existing asphalt waterway near north abutment and replace with8.

scuppers 6-inches below the steel girders.

Clean clogged deck scuppers along the curb lines and extend existing 7.

Clean both expansion joints and paint expansion joint on curb only.6.

Clean both drainage pans underneath the two expansion joints.5.

steel stringers, bracings and bridge bearings; except the bridge railings.

Clean and paint all structural steel, including bridge steel girders, floor beams, 4.

asphalt overlay.

Install sprayed on three coat system waterproofing membrane and 2-inches 3.

and spalled) at the top and bottom of the deck and top of piers.

Visually locate and repair all deteriorated concrete (cracked, hollow sounding, 2.

membrane by hydrodemolition.

-inch of asphalt wearing surface and existing waterproofing 2 1Remove remaining

-inches of existing 2-inches asphalt wearing surface on the bridge. 2 1Micro mill 11.

match existing paint on structural steel.

Provide a 3 coat Type 2 paint system on structural steel. Furnish top coat to

Prepare structural steel surfaces according to Subsection 563.08(a), White Blast Cleaning.

NPS

NO.NO.

PMIS STATE PROJECT

NUMBER

SHEET

165417 VA NP-BLRI 1M20175115

PROJECT TEAM LEADERSCALECHECKED BYDRAWN BYDESIGNED BY

George ChoubahAR/CV/CP JEG/CV/CP MR of

DATE

U.S. DEPARTMENT OF TRANSPORTATION

FEDERAL HIGHWAY ADMINISTRATION

EASTERN FEDERAL LANDS HIGHWAY DIVISION

BRP NO.BRIDGE PLAN SHEET

4 BRP-1272

Structure Number:

BLUE RIDGE PARKWAY

BRIDGE OVER ROANOKE RIVER AND NSC RR

5140-028P

September 2020

R02

Bridge length = 1028'-0"

CL

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NO. DATE BY REVISIONS NO. DATE BY REVISIONS

PLAN AND ELEVATION

No Scale

" = 1'-0"16 3Scale:

Existing ground

Class 3

Method A, Place Riprap

Class 1, Type A

Geotextile

ABUTMENT RIPRAP

Elev. 838.00

Ordinary High Water right of ground line @ 17'-0"

Approximate existing

(Typ.)

See Note 5

Span 1Span 2Span 3Span 4 Span 5Span 6

CL NSC RR

ELEVATION

filters (Typ.)

weephole

Install

R o a n o k e R iv e r

CL Pier 1 Pier 2CL Pier 3CL Pier 4CL Pier 5CL

141'-6" 170'-0" 220'-0" 220'-0" 170'-0" 106'-6"59'-0" 59'-0"

41'-0"

(See Note 3)

ScupperCL

(See Note 3)

ScupperCL

Mid-span 3

(See Note 3)

ScupperCL

(See Note 3)

ScupperCL

Mid-span 4

41'-0"

CL

CL Structure

Blue Ridge Parkway &

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(See Note 3)

ScupperCL

22'-0"11'-0"22'-0"11'-0"

PLAN

1'-6"

5'-6"

20'-0"

6'-0"

CL

N Micro mill existing asphalt overlay (See Note 1), Remove and replace waterproofing membrane (See Note 2)

1028'-0"

Begin Bridge

End Bridge

20'-0"

NSC RR.Telegraph

Telephone & bearing seat

Abutment

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RIPRAP" detail.

See "ABUTMENT

Method A, class 3.

with riprap asphalt waterway replace existing

Remove and

-0.4%

Elev. 974.74

Sta. 8+11.00

Elev. 970.52

Sta. 18+39.00

3' x 4' column

(South Abutment)

Bearing

(North Abutment)

Bearing expansion joint, according to Section 563.

including bearings, except as noted for

4. Clean and paint all steel surfaces span 3 and span 4.

drainage pipe below the girders on

3. Clean all scuppers and extend scupper

560.

hydrodemolition according to Section waterproofing membrane by asphalt and 2

12. Remove remaining asphalt overlay.

inches of 2

11. Micro mill existing 1

Notes:

on curb only paint expansion joint and drainage pan and

Clean expansion joint on curb only paint expansion joint and drainage pan and

Clean expansion joint

Abutment face weephole filter details.

6. See "CONCRETE REPAIR" sheet, for work.

prior to performing any rehabilitation with locations and quantities to the CO deck and top of piers. Provide sketches and spalled) at the top and bottom of the concrete (cracked, hollow sounding,

5. Visually locate and repair all deteriorated

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PMIS STATE PROJECT

NUMBER

SHEET

BRIDGE OVER ROANOKE RIVER AND NSC RR

R03

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TYPICAL SECTION

CLStructure

AT PIERS 2, 3, & 4 NEAR MIDSPAN

TYPICAL SECTION

1.56%1.56% surface (See Note 1)

2" Asphalt Wearing

34'-0"

17'-0" 17'-0"

4'-0" 13'-0" 4'-0"13'-0"

24'-0"

See Note 3

C lr

(Typ.)

(See Notes 8 & 9)

(See Note 2)

Concrete deck

C lr

Notes:

outlined in the Special Contract Requirements.

following the micro milling pavement cores requirements information only and will not relieve the contractor from meeting after award. This information will be provided as for span) will be provided to the contractor at the preconstruction

Available pavement cores information (on cross-section per 10.

or M 232.

approval. Galvanize all hardware according to AASHTO M 111 is permitted to steel girder. Submit attachment detail to CO for

Attach scupper extension to steel girder. No drilling or welding 9.

according to Subsection 708.05.

Utilize 4-inch diameter black drainage pipe and fittings

Extend existing scuppers 6-inches below the steel girders. 8.

Clean all the steel surfaces and paint according to Section 563. 7.

Section 552.

hollow sounding, and spalled) at bottom of deck according to

Visually locate and repair all deteriorated concrete (cracked, 6.

surface.

according to Section 559 and install 2-inch asphalt wearing

Install sprayed on three coat system waterproofing membrane 5.

deck condition is approved by the CO.

Do not begin waterproofing membrane installation until the 4.

Section 552.

hollow sounding, and spalled) at top of deck according to

Visually locate and repair all deteriorated concrete (cracked, 3.

hydrodemoltion.

membrane and asphalt mastic not removed during

Shot blast concrete deck surface to remove any leftover old 2.

hydrodemolition.

surface and existing waterproofing membrane by

-inch of asphalt wearing 2 1on the bridge. Remove remaining

-inches of existing 2-inch asphalt wearing surface 2 1Micro mill 1 1.

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PMIS STATE PROJECT

NUMBER

SHEET

BRIDGE OVER ROANOKE RIVER AND NSC RR

R04

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CONCRETE REPAIR

WEEP HOLE REPAIR PROCEDURE:

weephole

Existing abutment

Face of

WEEP HOLE FILTER

Removable filter

ELEVATION VIEW SECTION A-A

A

A surface

Existing concrete

Epoxy resin

CONCRETE CRACK REPAIR

(Typ.)

Injection port crack

Existing

T y p

Existing reinforcing bars

'' Saw cut4 concrete

Face of existing

Depth of concrete repair reinforcing bar

" Min. clr. above4

OVERHEAD DEEP CONCRETE REPAIR

'' Saw cut4 reinforcing bar

" Min. clr. to4

'' Under cut all sides2 concrete

Face of existing

Existing reinforcing bars

Depth of concrete repair

HORIZONTAL DEEP CONCRETE REPAIR

Depth of concrete repair concrete

Face of existing

'' Saw cut4 reinforcing bar

" Min. clr. below4

Existing reinforcing bars

VERTICAL DEEP CONCRETE REPAIR

Injection and Crack Repair.

Section 561- Structural Concrete

Repair concrete cracks according toNote:

Face of abutment

TYPICAL TOP OF PIER ELEVATION

10'-3"10'-3"

12'-0"12'-0"

24'-0"

3'-6"

'' Under cut all sides2

Zinc anode

Zinc anode

Zinc anode except top cut

'' Under cut all sides 2 concrete

Face of existing material

Concrete repair

Existing concrete

Zinc anode

Existing reinforcing bars

ZINC ANODE INSTALLATION DETAIL

when applicable)

(See note 2 for mortar pocket

Low-resistivity

Notes:

housing Filter recommendations.

Install weep hole filter according to the manufacturer's 3.

inside of the weep holes before installation.

Remove all dirt, laitance, or other loose matter from 2.

to the CO for approval.

Submit details of the filter, including installation techniques, 1.The sketch of the weep hole filter is for illustration only.

class A(AE) concrete Class HES concrete or class A(AE) concrete

Class HES concrete or

(See Note 8) class A(AE) concrete

Class HES concrete or

For concrete repair on top of deck use class HES concrete.8.

the existing concrete in texture, color and appearance.

Provide a surface finish to all concrete repair areas that matches 7.

Match existing reinforcing steel diameter and coating.

Replace reinforcing steel with section loss of 25% or more. 6.

blasting, or water jetting as required according to Section 203.

Clean existing steel and concrete by wire brush, abrasive 5.

without incurring any damage to existing steel reinforcement.

to a depth of at least 1-inch clear of existing reinforcement, Remove loose and deteriorated concrete to sound concrete or 4.

around the designated repair area.

inch deep along a square or rectangular perimeter 4 3Saw cut 3.

substrate concrete and 2-inches beyond the anode on all sides.

15,000 ohm-cm) mortar bed which extends to the sound

2,000 coulombs, encase the anode in a low resistivity (less than repair material is used which has chloride permeability less than to Subsection 552.19, as approved by the CO. If a concrete

Install Anodes for corrosion protection on repair areas according 2.

to the CO prior to performing any rehabilitation work.

and top of piers. Provide sketches with locations and quantities hollow sounding, and spalled) at the top and bottom of the deck

Visually locate and repair all deteriorated concrete (cracked, 1.

NPS

NO.NO.

PMIS STATE PROJECT

NUMBER

SHEET

BRIDGE OVER ROANOKE RIVER AND NSC RR