Construction
Supervision
Summary
from Contractor
Project
Schedule passed 29 months and 01 months remained from
the reporting month. Completion percentage was 91% based
on the activities completion (including 74.5% per total
80.6% of bridge work and 16.5% per total 19.4% of road,
Toll Plaza work and general requirement work).
Bored
piling: 100% completed.
Substructure:
2 abutments and 25 piers are required for Lang Co Bridge.
25 piers and 2 abutments completed and completion percentage
was 100%.
Superstructure:
Launching of span 26 to span 05 (total 21 spans) were
completed. Concrete of diaphragm of span 10 to 26 were
completed, other spans in launching spans were under
construction. Concrete cast for Deck slab of spans 10
to 26 was completed but not whole for span 20.
Approach
Road: Embankment, Granular backfill behind the abutment,
mortar rip-rap for embankment and all sub-grade layers
were finished. Layers of aggregate base, connection
and parking lot, protection around abutment A1 were
under construction.
Toll
plaza: Toll Plaza building were completed. Work for
completion was carried out
Girder Production: total 130 nos. of PCI girders were
required to produce. 1 place of girder production yard
were under operation only. Total 130 nos. of PCI girders
were completed the production. Completion percentage
of girder production was 100%.
Construction
Supervision from the Engineer
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 completed.
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, 2, 3, 4, 5, 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 was completed. Concrete for
parapet on abutment was under construction.
Superstructure:
Launching
work for spans from 26 to span 05 (total 21 spans)
was completed. Concrete of diaphragm of spans 26 to
10 were completed, other spans in lauching spans were
undre construction now. Concrete cast for deck slab
of those spans was completed except span 20.
Approach
Road:
Embankment,
Granular backfill behind abutment, Mortar rip-rap
for embankment and all sub-grade layers were completed.
Layers of Aggregate Base, Connection and Parking Lot,
Protection around Abutment A1 were under construction
now.
Toll
plaza:
Toll
Plaza building was completed. Work for completion
was carried out.
Girder
Production:
Total
130 nos. of PCI girders need to produce. 1 place of
girder production yard was under operation only. The
yard next to abutment A2 was not used. Total of 130
nos. of PCI girders were completed the production.
Completion percentage of girder production was 100%.
Mobilization
of floating system
2
nos. of float with capacity 200 tons completed the
erection at site and they were used for taking out
sheet piles after construction of Piers in river and
for launching.