Construction
Supervision
Project
Schedule passed 26 months and 04 months remained from
the reporting month. Completion percentage was 75% based
on the activities completion (including 65% of bridge
work and 10% of road, Toll Plaza work and general
requirement work).
Bored
piling: Total 218 nos of bored piles with different
diameter are required for foundation. 218 nos. of bored
piles completed and completion percentage of bored
piling is 100%.
Substructure:
2 abutments and 25 piers are required for Lang Co
Bridge. 20 piers and 1 abutment completed up to cross
head such as P6 to P25 and South Abutment A2. North
Abutment A1 remained. Sheet piles for pit excavation of
P05, P04, P01 completed. Pit excavation of P2 and P3
were under construction.
Superstructure:
Launching of span 26 to span 13 (total 14 spans)
completed. Concrete of diaphragm of span above were
completed too. Concrete cast for Deck slab of those
spans was carrying out but have not completed yet. Deck
slab of span 26, 25, 23, 22, 19, 18 completed the
casting.
Approach
Road: Granular backfill behind the abutment A1,
sub-grade layers and mortar rip-rap were under
construction. South approach road completed the
embankment.
Toll
plaza: Toll Plaza building were nearly completed, except
the building roof. Fence of the building and toll gate
were under construction.
Girder
Production: total 130 nos. of PCI girders were required
to produce. 1 place of girder production yard were under
operation only. Total 112 nos. of PCI girders completed
the production. Completion percentage of girder
production was 86.2%.
Bored
piling:
All
bored piling machines were demobilized as the
piling work was completed.
North
Abutment: 6 of 6 nos. of bored piles completed.
Pier
No.1: 4 of 4 nos. of bored piles was under
construction. However, one pile had problem during
cast. Sonic Test will be taken for final decision by
the Engineer.
Pier
No.2: 4 of 4 nos. of bored piles completed.
Pier
No.3: 5 of 5 nos. of bored piles completed.
Pier
No.4: 4 of 4 nos. of bored piles completed.
Pier
No.5: 4 of 4 nos. of bored piles completed.
Pier
No.6: 5 of 5 nos. of bored piles completed.
Pier
No.7: 8 of 8 nos. of bored piles completed.
Pier
No.8: 8 of 8 nos. of bored piles completed.
Pier
No.9: 10 of 10 nos. of bored piles completed.
Pier
No.10: 9 of 9 nos. of bored piles completed.
Pier
No.11: 9 of 9 nos. of bored piles completed.
Pier
No.12: 12 of 12 nos. of bored piles completed.
Pier
No.13: 9 of 9 nos. of bored piles completed.
Pier
No.14: 10 of 10 nos. of bored piles completed.
Pier
No.15: 12 of 12 nos. of bored piles completed.
However, two piles No4 and No7 had trouble during cast
that pile cap plan changed and widen.
Pier
No.16: 10 of 10 nos. of bored piles completed.
Pier
No.17: 10 of 10 nos. of bored piles completed.
Additional pile No.7’ was constructed because Pile
No.7 was rejected due to the result of working record
and sonic test.
Pier
No.18: 12 of 12 nos. of bored piles completed.
Pier
No.19: 10 of 10 nos. of bored piles completed.
Pier
No.20: 10 of 10 nos. of bored piles completed.
Pier
No.21: 12 of 12 nos. of bored piles completed.
Pier
No.22: 9 of 9 nos. of bored piles completed.
Pier
No.23: 9 of 9 nos. of bored piles completed.
Pier
No.24: 5 of 6 nos. of bored piles completed. 1 no. of
pile met boulder at – 2m from footing bottom and
could not drilling threw this boulder. This location
has been back filled by concrete.
Pier
No.25: 5 of 5 nos. of bored piles completed.
South
Abutment: 6 of 6 nos. of bored piles completed.
Substructure:
Abutment
A1: Concrete work completed.
Pier
No.1: Concrete cast of footing was completed and the
column was under construction.
Pier
No.2: sheet pile driver completed and excavation was
under construction.
Pier
No.4: Excavation was completed
Pier
No.5: Concrete work was completed up to the top of
column.
Pier
No.6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
20, 21, 22, 23, 24: Concrete work completed up to
cross head
South
Abutment: Concrete work completed.
Superstructure:
Launching
work for spans from 26 to span 10 (total 17 spans) was
completed.
Concrete
of diaphragm of spans above were completed too.
Concrete
cast for deck slab of those spans was nearly
completed. Deck slab of span 26, 25, 23, 22, 19, 18,
15, 16 and 11 were cast full.
Approach
Road:
Granular
backfill behind abutment A1, A2 and all subgrade
layers completed. Mortar rip-rap were under
construction. South approach road completed the
embankment.
Toll
plaza:
Toll
Plaza building was nearly completed except the
building roof. Fence of building and toll gate were
under construction.
Girder
Production:
Total
130 nos. of PCI girders need to produce.
1
place of girder production yardwas under operation
only. Total of 112 nos. of PCI girders were completed
the production. Completion percentage of girder
production was 86.2%.
Mobilization
of floating system
5
nos. of float completed the erection at site and they
will be used for construction of piers in river.