METHOD STATEMENT
BRIDGE #13 CONSTRUCTION
Saturday, December 04, 2010
v1
No
RESOURCES
STEP OF CONSTRUCTION
MANPOWER
Labor
1 Preparation of site location:
A) clearing, stock pile yard, temporary shelter,
delivery all materials.
B) Armco Bridge works: Assemble wooden mat as
raft foundation and cilindrical armco
C) Construct temporary dock for pedestrian and
motorcycle to pass over the river while bridge will
be demolish
2 Constructing ramp on Bridge #11:
Labor
A) Dumping fill material (laterit soil) ± 30 m3 on
one side of bridge #11 (side that facing Desa Cinta
Puri).
B) Levelling and compacting ramp
TOOL
Hand Tools
Hand Tools
3 Dumping fill material to rise up river bed elevation,
near by bridge # 13, ± 100 m3 or less. (dump trucks
do not pass bridge #13)
LOCATION
EQUIPMENT
MATERIAL
Excavator, Dozer & Tarpaulin, Galams, Bridge #13
Nails.
small boat.
Light truck,
Dozer/Grader &
Vibro Roller.
Laterit Soil
Bridge #11
Light truck,
Excavator
Boulder and Stone Bridge #13
(Base coarse)
Labor, Operator
4 Demolishing exisiting bridge :
A) Remove Realling and wooden deck (upper
Structure)
B )Pulling out existing bridge's beam and pile using
excavator. Beam or pile that cannot reach by
hydraulic boom will be pulled out with assist of
Steel Wire.
Steel Wire
Excavator
Bridge #13
Labor, Operator,
5 Rise up middle section of river bed elevation :
A) Filling middle section of river bed with boulder Surveyor
and stone until achieved 1.3 m height from existing
level. The dimension of filled area
1) 7.5 m long regarding Armco length
2) 5 m width regarding Armco Dia. 4500 mm
3) 1.3 m height to rise up armco elevation up to 1.3
m or less
B) Measure/Check river bed after filled to confirm
the elevation
7 Wooden mat/raft foundation:
Labor, Operator
putting down wooden mat at the river bed and
piling array galam timber to fix the position of
armco
Pole Stick
Excavator
Boulder and Stone Bridge #13
(Base coarse)
Steel Wire
Excavator
Galam
Steel Wire
Excavator
2 x Armco Dia. 3600 Bridge #13
mm, Dia. 4500 mm,
galam pile
Labor, Operator
8 Armco bridge works:
A) rolling Armco #1 Dia. 3600 mm to move the
precised position using Excavator #1, while the
Excavator #2 that stand on the other side pulling it
using steel cable to stabilize the position.
B) Rolling Armco #2 Dia. 4500 mm using Excavator
#1 , while Excavator #1 pulling it the oposite.
C) rolling Armco #3 Dia. 3000 mm using Excavator
#1.
D) Pilling galam to hold the armco on the required
position.
9 Back Filling work :
Labor, Operator
A) Install soil bag to divert water flow & protect
backfill area between armco.
B) Back fill the space between armco using sirtu up
to require elevation
10 Compacting and levelling :
Grading & Levelling pavement structure over the
bridge surface to design elevation including
compaction
Labor, Operator
Bridge #13
Galam, Sirtu,
Excavator,
Pontoon, Bulldozer, Sand/soil bags,
& Dump Truck
Manila Rope.
Bridge #13
Vibratory Roller,
Bulldozer
Bridge #13
Gravel and base
coarse