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Qatar Petroleum Procedure
DESIGN & CONSTRUCT
NEW ORBITAL HIGHWAY AND TRUCK ROUTE (P023)
Contract 3: Orbital Highway Mesaieed to Salwa Road
PROJECT ID: IA 12/13 C 062 ST
26 October 2015
Date: 25/10/2015 Page 1 of 37
QP Pipe Protection Procedures
Removal of QP Pipeline bund wall
Date: 25/10/2015 Page 2 of 37
QP Pipe Protection Procedures
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QP Pipe Protection Procedures
Trench Excavation close to pipeline
Excavation of hard rock material
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QP Pipe Protection Procedures
Excavation and installation of support pedestal
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QP Pipe Protection Procedures
Trimming of excavation in preparation for foundation installation
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QP Pipe Protection Procedures
Excavated formation/foundation level
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QP Pipe Protection Procedures
Steel plates will be set prior to installation of arch segment
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QP Pipe Protection Procedures
Restricted zone during element lifting
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QP Pipe Protection Procedures
Arch Elements transported on flatbed trailer
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Off-Loading Arch elements using Lifting beam
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QP Pipe Protection Procedures
Storage of Arch Elements on Firm Ground and Proper Dunnage
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QP Pipe Protection Procedures
Marks on footing keyway
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QP Pipe Protection Procedures
Marks on unit side face for fast alignment
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QP Pipe Protection Procedures
Turning of Arch element with Side Brackets
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QP Pipe Protection Procedures
Installation of steel bracket on the segment
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QP Pipe Protection Procedures
First arch unit staggered by half width
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Total Station Survey Check of Crown Alignment
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QP Pipe Protection Procedures
Element in Footing Keyway (Unit position adjustment using hardwood wedges)
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QP Pipe Protection Procedures
STEP 4
RELEASE CRANE B. CRANE A CONTINUES PLACING UNIT
Erection Sequence of the Elements (units)
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QP Pipe Protection Procedures
Grouting Foundation Keyway
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QP Pipe Protection Procedures
Fig. A. Backfill Material zones Fig. B. Backfill material grain size
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QP Pipe Protection Procedures
Up to existing slope or final grade
Or minimum one span
Max
Backfill placement levels - Max. Differential height < 0.50 m
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QP Pipe Protection Procedures
Crown Beam Reinforcement Prepared According to Approved Drawings
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QP Pipe Protection Procedures
QP Pipe line protection structure - QP Arch Erection
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QP Pipe Protection Procedures
QP Pipe line protection structure - QP Arch Erection
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QP Pipe Protection Procedures
QP Pipe line protection structure - QP Arch Erection
Date: 25/10/2015 Page 28 of 37
QP Pipe Protection Procedures
QP Pipe line protection structure - QP Arch Erection
Date: 25/10/2015 Page 29 of 37
QP Pipe Protection Procedures
QP Pipe line protection structure - QP Arch Erection
Date: 25/10/2015 Page 30 of 37
QP Pipe Protection Procedures
QP Pipe line protection structure - QP Arch Erection
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QP Pipe Protection Procedures
QP Pipe line protection structure - QP Arch Erection
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QP Pipe Protection Procedures
QP Pipe line protection structure - QP Arch Erection
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QP Pipe Protection Procedures
QP Pipe line protection structure - QP Arch Erection
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QP Pipe Protection Procedures
QP Pipe line protection structure - QP Arch Erection
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QP Pipe Protection Procedures
QP Pipe line protection structure - QP Arch Erection
Date: 25/10/2015 Page 36 of 37
QP Pipe Protection Procedures
Minimum fill cover before heavy plant can cross the arch
Date: 25/10/2015 Page 37 of 37
QP Pipe Protection Procedures
Table 1 — Earthworks Compaction criteria
