stage 2 - install temporary works and construct … · temporary works to retain motorway during...

EXISTINGGROUND PROFILE

EXISTING CROSS SECTION

EXISTING HIGHWAYBOUNDARY FENCEEXISTING HIGHWAY

BOUNDARY FENCE

M 4 W E S T B O U N D M 4 E A S T B O U N D

STAGE 1 - COMMENCE TEMPORARY SOUTH EMBANKMENT WIDENING

1. CONSTRUCT TEMPORARYSOUTH EMBANKMENT

M 4 E A S T B O U N D

EXISTINGGROUND PROFILE

TRAFFIC MANAGEMENT(WESTBOUND)

STAGE 2 - INSTALL TEMPORARY WORKS AND CONSTRUCT CROSSOVERS

2. TEMPORARY WORKS TORETAIN MOTORWAY DURINGBRIDGE CONSTRUCTION

TRAFFIC MANAGEMENT(EASTBOUND)

TEMPORARY CENTRALRESERVE CROSSOVERSCONSTRUCTED IN STAGE 2b.SEE FOREST TM DRAWINGS

TRAFFIC MANAGEMENT(WESTBOUND)

STAGE 3a - CONSTRUCTION WORKS TO NORTH SIDE OF MOTORWAY

3. EXCAVATE TOP OF MOTORWAYEMBANKMENT (3m APPROX.)

4. INSTALLATION OF CONTIGUOUSBORED PILES (INCLUDINGNORTHERN WING WALL PILES)

TEMPORARYEMBANKMENT

1500MIN

CONSTRUCTIONTRAFFIC LANE

CONTRACTOR DESIGNEDTEMPORARY PILINGPLATFORM

TRAFFIC MANAGEMENT(WESTBOUND)

TRAFFIC MANAGEMENT(EASTBOUND)

STAGE 3b - CONSTRUCTION WORKS TO NORTH SIDE OF MOTORWAY

5(i). CONSTRUCTION OF REINFORCEDCONCRETE CAPPING BEAM

5(ii). LIFT PRECAST CONCRETEBRIDGE BEAMS INTO POSITION

5(iii). INSTALL PERMANENT FORMWORK AND CASTINSITU CONCRETE DECK SLAB & VRS PLINTH

7(ii) INSTALL BRIDGE DECKWATERPROOFING ANDCARRIAGEWAYSURFACING

TEMPORARYEMBANKMENT

TRAFFIC MANAGEMENT(WESTBOUND)

TRAFFIC MANAGEMENT(EASTBOUND)

5(iv). COMPLETE NORTHERN PERMANENT PARAPETAND ADJOINING PERMANENT VRS

6(i) INSTALL STAGE 4 TEMPORARY SHEETPILING AND TEMPORARY VRS

7(i) CONSTRUCT TEMPORARY DRAINAGE CHANNEL

STAGE 4b - CONSTRUCTION WORKS TOSOUTH SIDE OF MOTORWAY

8. REMOVAL OFSHEET PILING

9. EXCAVATE TOP OF MOTORWAYEMBANKMENT (3m APPROX.)

10. INSTALLATION OF CONTIGUOUSBORED PILES (INCLUDINGSOUTHERN WING WALL PILES)

TEMPORARYEMBANKMENT

600 SETBACK TRAFFIC MANAGEMENT(WESTBOUND)

TRAFFIC MANAGEMENT(EASTBOUND)

STAGE 4c - CONSTRUCTION WORKS TO SOUTH SIDE OF MOTORWAY

11(i). CONSTRUCTION OF REINFORCEDCONCRETE CAPPING BEAM

11(iii). INSTALL PERMANENT FORMWORK ANDCAST INSITU CONCRETE DECK SLAB

TRAFFIC MANAGEMENT(WESTBOUND)

TRAFFIC MANAGEMENT(EASTBOUND)

11(iv). COMPLETE NORTHERNPERMANENT PARAPETAND ADJOININGPERMANENT VRS

TEMPORARYEMBANKMENT

13(i). INSTALL BRIDGE DECK WATERPROOFINGAND CARRIAGEWAY SURFACING

11(ii). LIFT PRECASTCONCRETE BRIDGEBEAMS INTO POSITION

STAGE 5a - EXCAVATION OF UNDERPASS & REINSTATEMENT OF CENTRAL RESERVE VRS

REMOVE TEMPORARYEMBANKMENT

13(iv) COMPLETE CENTRAL RESERVEPERMANENT VRS AS NOFURTHER NEED FOR TRAFFICMANAGEMENT CROSS-OVERS

14(i) EXCAVATION OF UNDERPASS

TRAFFIC MANAGEMENT(EASTBOUND)

TRAFFIC MANAGEMENT(WESTBOUND)

SAFE WORKING ZONE

FORMATION LEVELOF PROPOSED ROAD

13(ii) REMOVE TEMPORARYSHEET PILES

13(iii) COMPLETE DECK STITCHPOUR AND WATERPROOFING

MOTORWAYLEVEL

5(i). CONSTRUCTION OF REINFORCEDCONCRETE CAPPING BEAM

5(ii). LIFT PRECAST CONCRETEBRIDGE BEAMS INTO POSITION

5(iii). INSTALL PERMANENT FORMWORK ANDCAST INSITU CONCRETE DECK SLAB &VRS PLINTH

6(ii) BACKFILL

W E S T E A S T

7(ii) INSTALL BRIDGE DECKWATERPROOFINGAND CARRIAGEWAYSURFACING

MOTORWAYLEVEL

4. INSTALLATION OFCONTIGUOUSBORED PILES

3. EXCAVATE TOP OF MOTORWAYEMBANKMENT (3m APPROX.)

TEMPORARY WORKS TO RETAINMOTORWAY DURING BRIDGECONSTRUCTION

W E S T E A S T

W E S T E A S TTEMPORARY WORKS TO RETAINMOTORWAY DURING BRIDGECONSTRUCTION

MOTORWAYLEVEL

W E S T E A S T

CONSTRUCT TEMPORARYSOUTH EMBANKMENT

MOTORWAYLEVEL

EXISTING ELEVATIONW E S T E A S T

W E S T E A S T

14. EXCAVATIONOF UNDERPASS

FORMATION LEVELOF PROPOSED ROAD

MOTORWAYLEVEL

W E S T E A S T

11(i). CONSTRUCTION OF REINFORCEDCONCRETE CAPPING BEAMS

11(ii). LIFT PRECAST CONCRETEBRIDGE BEAMS INTO POSITION

11(iii). INSTALL PERMANENT FORMWORK ANDCAST INSITU CONCRETE DECK SLAB

13(i). INSTALL BRIDGE DECKWATERPROOFING ANDCARRIAGEWAYSURFACING

12. BACKFILL

W E S T E A S T

MOTORWAYLEVEL

8. REMOVAL OFSHEET PILES

9. EXCAVATE TOP OF MOTORWAYEMBANKMENT (3m APPROX.)

10. INSTALLATION OFCONTIGUOUSBORED PILES

15. INSTALLATION OF WALLDRAINAGE SYSTEM ANDFACING TO PILED WALL

16. INSTALLATION OF HIGHWAYDRAINAGE AND SERVICES

17. SOUTHERN ACCESSLINK ROAD SURFACING

W E S T E A S T

STAGE 6 - CONSTRUCTION OF SOUTHERN ACCESS ROAD

16. INSTALLATION OF HIGHWAYDRAINAGE AND SERVICES

17. SOUTHERN ACCESSLINK ROAD SURFACING

18. LANDSCAPING OF EMBANKMENTSAND APPROACHES

M 4 W E S T B O U N D M 4 E A S T B O U N D

STAGE 5b - EXCAVATION OF UNDERPASS

M 4 W E S T B O U N D M 4 E A S T B O U N D 14(ii) CONSTRUCT PERMANENTDUCT AND VERGE DETAIL

VRS INSTALLED AT THE END OFSTAGE 3b TO REMAIN AS THEPERMANENT VRS CONFIGURATION

14(ii) CONSTRUCT PERMANENTDUCT AND VERGE DETAIL

P01 DRAFT ISSUE FOR CLIENT COMMENT

-

GCP JAS

-

NOTES

0100.1. REFER TO DRAWING 44771-PBA-SBR-39060-DR-CB-0110 FOR NOTES.

GENERAL

P02 CONSTRUCTION SEQUENCE REFINED 05.07.19 GCP JAS JWS

P03 PROPPING AND TRANSITION PILES REMOVED 18.10.19 GCP JAS PC

P04 UPDATED TO REFLECT DETAILED DESIGN 22.11.19 GCP JWS PC

Checked

Drawing Issue Status

Date of 1st Issue

Drawing Number

Designed

Revision

DrawnMark Revision ChkdDate

File Location: j:\44771 - southern access m4 crossing\200 - design (all drawings)\201 - all pba drawings\1500 - bridges\44771-pba-sbr-39060-dr-cb-0103.dwg

UTILITIES NOTE: The position of any existing public or private sewers, utility services, plant or apparatus shown on this

drawing is believed to be correct, but no warranty to this is expressed or implied. Other such plant or apparatus may also

be present but not shown. The Contractor is therefore advised to undertake their own investigation where the presence

of any existing sewers, services, plant or apparatus may affect their operations.

SCALING NOTE: Do not scale from this drawing. If in doubt, ask.

user name: philippe, gary

READINGTel: 01189 500 761

Approved

Appd

Drawn

now part of

peterbrett.com© Peter Brett Associates LLP

WICHELSTOWE DEVELOPMENT, SWINDON

WICHELSTOWE SOUTHERN ACCESS

UNDERPASS (SMIS KEY: 39060)

ILLUSTRATIVE CONSTRUCTION SEQUENCE

F O R A P P R O V A L

44771-PBA-SBR-39060-DR-CB-0103 P04

22.11.2019

As Indicated

JAS/AJMC GCP

JAS/JWS PC

Client

A0 Scale