METHOD STATEMENT BRIDGE #13 CONSTRUCTION Saturday, December 04, 2010
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RESOURCES
STEP OF CONSTRUCTION MANPOWER
1 Preparation of site 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: A) Dumping fill material (laterit soil) ± 30 m3 on one side of bridge of bridge #11 (side that facing Desa Cinta Puri). B) Levelling and compacting ramp
TOOL
EQUIPMENT
LOCATION MATERIAL
Labor
Hand Tools
Excavator, Dozer & Tarpaulin, Galams, Bridge #13 small boat. Nails.
Labor
Hand Tools
Light truck, Dozer/Grader & Vibro Roller.
Laterit Soil
Light truck, Excavator
Boulder and Stone Bridge #13 (Base coarse)
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)
Bridge #11
4 Demolishing exisiting bridge : Labor, Oper Operat ator or 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.
Stee Steell Wire
Excavator
Bridge #13
5 Rise up middle section of river of river bed elevation : Labor, Operator, A) Filling middle section of river of river bed with boulder Surveyor and stone until achieved 1.3 m height from existing level. The dimension of filled 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, Oper Operat ator or 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)
Stee Steell Wire
Excavator
Galam
8 Armco bridge works: Labor, Oper Operat ator or 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.
Stee Steell Wire
Excavator
2 x Armco Dia. 3600 Bridge #13 mm, Dia. 4500 mm, galam pile
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
Excavator, Galam, Sirtu, Pontoon, Bulldozer, Sand/soil bags, & Dump Truck Manila Rope.
Bridge #13
Vibratory Roller, Bulldozer
Bridge #13
Gravel and base coarse
