Chemical Building Works Method Statement - 2
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The Construction and Completion of Panching Water Treatment Works, Kuantan, Pa for The East Coast Economic Region Development Council (ECERDC) Package 1 - Headworks, Water Treatment Works, Ancillary Buildings, Staff Quarter Associated Works Method Statement Construction Of Chemical Building Contents :- 1.0 General 2.0 Allocation Of Machinery 3.0 Manpower 4.0 Construction Sequences 5.0 Safety, Health and Environment 6.0 Reference Rev Date Prepared By Checked and Reviewed By Safety Officer Project Manager
Transcript of Chemical Building Works Method Statement - 2
The Construction and Completion of Panching Water Treatment Works, Kuantan, Pahangfor The East Coast Economic Region Development Council (ECERDC)
Package 1 - Headworks, Water Treatment Works, Ancillary Buildings, Staff Quarters and Associated Works
Method Statement
Construction Of Chemical Building
Contents :-1.0 General2.0 Allocation Of Machinery3.0 Manpower4.0 Construction Sequences5.0 Safety, Health and Environment6.0 Reference
Rev Date Prepared By Checked and Reviewed BySafety Officer Project Manager
George Kent (M) - Leika SB JV/MS-CB-01 page 1 of 6The Construction and Completion of Panching Water Treatment Works, Kuantan, Pahang
for The East Coast Economic Region Development Council (ECERDC)
Package 1 - Headworks, Water Treatment Works, Ancillary Buildings, Staff Quarters and Associated Works
Method Statement
Construction Of Chemical Building
1.0 GENERAL
1.1 This Work Method Statement is for general construction of Chemical Building civil works. It shall be taken as an outline for the construction, of which the procedures andsequences may require minor modifications to suit the site conditions.
1.2 Survey to set out and demarcate the alignment and position of part of permanent structure to be constructed.
2.0 ALLOCATION OF MACHINERY
2.1 Crane 2.2 Backhoe2.3 Dump Truck2.4 Air Compressor2.5 Generator2.6 Dewatering Pump2.7 Spot Lights2.8 Engine Vibrators2.9 Bar Cutting Machine
2.10 Bar Bending Machine
3.0 MANPOWER
Manpower that will be mobilized for the works are grouped under the following categories:3.1 Construction Works
3.1.1 Site Engineer/Supervisor3.1.2 Machinery and Plant Operator3.1.3 Skilled Workers3.1.4 Semi-skilled workers3.1.5 General Workers
3.2 Quality Assurance/Quality Control3.2.1 QA/QC Manager/Engineer3.2.2 QC Inspector/Supervisor
3.3 Safety, Health and Environment3.3.1 Safety Officer3.3.2 Safety cum Site Supervisor3.3.3 Environmental Officer
3.3.4 Security Guard
George Kent (M) - Leika SB JV/MS-CB-01 page 2 of 6The Construction and Completion of Panching Water Treatment Works, Kuantan, Pahang
for The East Coast Economic Region Development Council (ECERDC)
Package 1 - Headworks, Water Treatment Works, Ancillary Buildings, Staff Quarters and Associated Works
Method Statement
Construction Of Chemical Building
4.0 CONSTRUCTION SEQUENCE
4.1 Foundation
4.1.1
4.1.2 Fix pad footings formwork. Lay 50mm thick lean concrete to base of pad footings.
4.1.3 Fix reinforcement to pad footings and stumps. Request for Consultant inspection.
4.1.4
4.1.5
4.1.6 Fix stumps formwork, check level, request for Consultant inspection. Concrete stumps.
4.1.7 After removal of stumps and pad footings formwork, it will be backfill with approved fill material.
4.2 Ground Beams
4.2.1
4.2.2 Install ground beams, trenches and chambers formwork. Lay lean concrete to base.
4.2.3
4.2.4
4.2.5
Excavation of foundation to required level using backhoe and two tipper lorries. Final trimming will be carried out by hand tools.
Once approval is obtain from the Consultant, preparation for placing of concrete will be carried out. Fresh concrete will be transported by concrete truck. Upon concrete arrival, slump check will be carried out.
Mobile crane with bucket will be use for pouring concrete. Compaction of concrete by mean of mechanical or pneumatic vibrators. As the concrete is being placed and compacted, wooden level will be use for leveling of concrete and steel trowel for finish level.
Excavation for ground beams, chemical trench, cable trench and sludge trench, and reinforced concrete chambers.
Fix reinforcement. Install dowel bars of ramps. The formwork and reinforcement shall be inspected by the Consultant.
Once approval is obtain from the Consultant, preparation for placing of concrete will be carried out. Fresh concrete will be transported by concrete truck. Upon concrete arrival, slump check will be carried out.
Mobile crane with bucket will be use for pouring concrete. Compaction of concrete by mean of mechanical or pneumatic vibrators. As the concrete is
George Kent (M) - Leika SB JV/MS-CB-01 page 3 of 6The Construction and Completion of Panching Water Treatment Works, Kuantan, Pahang
for The East Coast Economic Region Development Council (ECERDC)
Package 1 - Headworks, Water Treatment Works, Ancillary Buildings, Staff Quarters and Associated Works
Method Statement
Construction Of Chemical Building
4.2.6
4.2.7
4.3 Ground Slabs And Chemical Tank Plinths
4.3.1 Lay 50mm thick lean concrete to base, follow by a layer of 0.125mm thick polyethylene sheet.
4.3.2
4.3.3
4.3.4
4.3.5
4.4 Columns (Including Decorative Columns) - Ground Level to Roof Beam
4.4.1 Erect staging to facilitate fixing of reinforcement, formwork and pouring of concrete.
4.4.2 Erect and fix columns reinforcement. Install columns and decorative columns formwork.
4.4.3 The reinforcement and formwork shall be inspected by the Consultant prior to concreteplacement.
4.4.4 Upon approval by the Consultant, concrete will be poured under the supervision of theConsultant.
concrete by mean of mechanical or pneumatic vibrators. As the concrete is being placed and compacted, wooden level will be use for leveling of concrete and steel trowel for finish level.
After striking of ground beams, trenches and chambers formwork, it will be backfill with approved fill material to proposed level of ground slab and chemical tanks.
Follow by painting two coats of approved bituminous paint to exposed concrete surfaces, and resin cork filler to locations as shown in the construction drawings.
Fix bottom layer reinforcement of slabs, install steel chairs, fix top layer reinforcement, install starter bars of chemical tanks' plinths.
Prior to pouring of concrete, the formwork and reinforcement shall be inspected by the Consultant.
Once approval is obtain from the Consultant, preparation for placing of concrete will be carried out. Fresh concrete will be transported by concrete truck. Upon concrete arrival, slump check will be carried out. Sampling from selected truck will be taken in every
Mobile crane with bucket will be use for pouring concrete. Compaction of concrete by mean of mechanical or pneumatic vibrators. As the concrete is being placed and compacted, wooden level will be use for leveling of concrete and steel trowel for finish level.
4.4.5 Formwork will be stripped after the minimal curing period.
George Kent (M) - Leika SB JV/MS-CB-01 page 4 of 6The Construction and Completion of Panching Water Treatment Works, Kuantan, Pahang
for The East Coast Economic Region Development Council (ECERDC)
Package 1 - Headworks, Water Treatment Works, Ancillary Buildings, Staff Quarters and Associated Works
Method Statement
Construction Of Chemical Building
4.5 Roof Beam
4.5.1 Erect staging to facilitate fixing of reinforcement, formwork and pouring of concrete.
4.5.2 Erect and fix columns reinforcement. Install formwork.
4.5.3 The reinforcement and formwork shall be inspected by the Consultant prior to concreteplacement.
4.5.4 Upon approval by the Consultant, concrete will be poured under the supervision of theConsultant.
4.5.5 Formwork will be stripped after the minimal curing period.
4.6 Installation of approved roof trusses and roofing under the supervision of the Consultantafter the installation of lime silos and alum tanks.
4.7 The following task will be performed concurrently:
a) Laying of bricks, construct reinforced concrete staircase, install doors and windows.
b)
c)
d)
e) Installation of perimeter drain, concrete apron, external interconnection pipeworks.
f)
Cold water and sanitation plumbing works shall be carried out prior to plastering to walls, tilling to wall and floor of toilet as shown in drawing according to Cold Water and Sanitation Plumbing Work Method Statements.
Installation of sanitary wares such as water tank, shower, basin and water closet according to the respective drawing and shall be referred to Architectural Work Method Statements.
Installation of chequered plate, galvanized mild steel platform, handrail, ladders, metal awning and miscellaneous metal works.
Construction of external chambers and install uPVC sludge pipes. Placing of chemical trench precast concrete slab cover
4.8
4.9 The building is ready for inspection and any remedial works will be carried out as required.
George Kent (M) - Leika SB JV/MS-CB-01 page 5 of 6The Construction and Completion of Panching Water Treatment Works, Kuantan, Pahang
for The East Coast Economic Region Development Council (ECERDC)
Package 1 - Headworks, Water Treatment Works, Ancillary Buildings, Staff Quarters and Associated Works
Method Statement
Construction Of Chemical Building
5.0 SAFETY, HEALTH AND ENVIRONMENT
5.1 The working areas will be kept clean and dry to the best possible at all time
5.2 As some works areas at the chemical building are more than five meter from the groundlevel, proper access ladder shall be provided for the workers and ER.
5.3 All workers shall be wearing proper PPE within the working areas.
5.4 Regular site safety walk-about to identify hazard, assess risk and determine ways tocontrol safety at work area
5.5 Access road and working platform will be inspected regularly. Rectification work willbe carry out as soon as practical.
5.6 Safety briefing and tools box shall be carry out regularly.
5.7 Proper lighting will be provided if night work is to be carried out.
5.8 Oil, grease and diesel will be kept a distance away from river.
5.9 Conduct regular housekeeping on place of work.
5.10 Disposed waste away from site or to approved dumping ground
5.11 Regular maintenance of equipment.
6.0 REFERENCE
6.1 Specifications for Civil and Structural Works - Volume 3A
6.2 Approved Construction Drawings for Civil and Structural Works.
Construction of external chambers and install uPVC sludge pipes. Placing of chemical trench precast concrete slab cover
This is follow by application of internal and external paint works. Install heavy duty fibre glass grating and galvanized mild steel grating.
6.3 Approved Method Statements
6.4 Project Safety and Health Plan
6.5 Project Quality Plan
6.6 Environmental Management Plan
George Kent (M) - Leika SB JV/MS-CB-01 page 6 of 6
The Construction and Completion of Panching Water Treatment Works, Kuantan, Pahangfor The East Coast Economic Region Development Council (ECERDC)
Package 1 - Headworks, Water Treatment Works, Ancillary Buildings, Staff Quarters and Associated Works
Method Statement
Construction Of Chemical Building
Contents :-1.0 General2.0 Allocation Of Machinery3.0 Construction Sequences4.0 Safety, Health and Environment5.0 Reference
Rev Date Prepared By Checked and Reviewed BySafety Officer Project Manager
George Kent (M) - Leika SB JV/MS-CB-00 page 1 of 6
The Construction and Completion of Panching Water Treatment Works, Kuantan, Pahangfor The East Coast Economic Region Development Council (ECERDC)
Package 1 - Headworks, Water Treatment Works, Ancillary Buildings, Staff Quarters and Associated Works
Method Statement
Construction Of Chemical Building
1 GENERAL
1.1 This Work Method Statement is for general construction of Chemical Building civil works. It shall be taken as an outline for the construction, of which the procedures andsequences may require minor modifications to suit the site conditions.
1.2 Survey to set out and demarcate the alignment and position of part of permanent structure to be constructed.
2 ALLOCATION OF MACHINERY
2.1 Crane 1 unit mobile crane - 25 ton and/or below2.2 Backhoe 1 unit Case 580M or equavelant2.3 Dump Truck 2 units 10 wheeler2.4 Air Compressor 1 unit2.5 Generator 1 unit2.6 Dewatering Pump 2 units
3 CONSTRUCTION SEQUENCE
3.1 Foundation
3.1.1 Excavation of foundation to required level using backhoe and two tipper lorries. Finaltrimming will be carried out by hand tools.
3.1.2 Fix pad footings formwork. Lay 50mm thick lean concrete to base of pad footings.
3.1.3 Fix reinforcement to pad footings and stumps. Request for Consultant inspection.
3.1.4 Once approval is obtain from the Consultant, preparation for placing of concrete will becarried out. Fresh concrete will be transported by concrete truck. Upon concrete arrival, slump check will be carried out. Sampling from selected truck will be taken in every
concrete at 7 days and 28 days after placing.
3.1.5 Moblie crane with bucket will be use for pouring concrete. Compaction of concreteby mean of mechanical or pneumatic vibrators. As the concrete is being placed and compacted, wooden level will be use for levelling of concrete and steel trowel for finishlevel.
3.1.6 Fix stumps formwork, check level, request for Consultant inspection. Concrete stumps.
25m³ of concrete placed for making of six cubes for test on the quality and strength of
George Kent (M) - Leika SB JV/MS-CB-00 page 2 of 6
The Construction and Completion of Panching Water Treatment Works, Kuantan, Pahangfor The East Coast Economic Region Development Council (ECERDC)
Package 1 - Headworks, Water Treatment Works, Ancillary Buildings, Staff Quarters and Associated Works
Method Statement
Construction Of Chemical Building
3.1.7 After removal of stumps and pad footings formwork, it will be backfill with approvedfill material.
3.2 Ground Beams
3.2.1 Excavation for ground beams, chemical trench, cable trench and sludge trench, andreinforced concrete chambers.
3.2.2 Install ground beams, trenches and chambers formwork. Lay lean concrete to base.
3.2.3 Fix reinforcement. Install dowel bars of ramps. The formwork and reinforcement shallbe inspected by the Consultant.
3.2.4 Once approval is obtain from the Consultant, preparation for placing of concrete will becarried out. Fresh concrete will be transported by concrete truck. Upon concrete arrival, slump check will be carried out. Sampling from selected truck will be taken in every
concrete at 7 days and 28 days after placing.
3.2.5 Moblie crane with bucket will be use for pouring concrete. Compaction of concreteby mean of mechanical or pneumatic vibrators. As the concrete is being placed and compacted, wooden level will be use for levelling of concrete and steel trowel for finishlevel.
3.2.6 After striking of ground beams, trenches and chambers formwork, it will be backfillwith approved fill material to proposed level of ground slab and chemical tanks.
3.2.7 Follow by painting two coats of approved bituminous paint to exposed concrete surfaces, and resin cork filler to locations as shown in the construction drawings.
3.3 Ground Slabs And Chemical Tank Plinths
3.3.1 Lay 50mm thick lean concrete to base, follow by a layer of 0.125mm thick polyethylenesheet.
3.3.2 Fix bottom layer reinforcement of slabs, install steel chairs, fix top layer reinforcement, install starter bars of chemical tanks' plinths.
3.3.3 Prior to pouring of concrete, the formwork and reinforcement shall be inspected by the Consultant.
25m³ of concrete placed for making of six cubes for test on the quality and strength of
George Kent (M) - Leika SB JV/MS-CB-00 page 3 of 6
The Construction and Completion of Panching Water Treatment Works, Kuantan, Pahangfor The East Coast Economic Region Development Council (ECERDC)
Package 1 - Headworks, Water Treatment Works, Ancillary Buildings, Staff Quarters and Associated Works
Method Statement
Construction Of Chemical Building
3.3.4 Once approval is obtain from the Consultant, preparation for placing of concrete will becarried out. Fresh concrete will be transported by concrete truck. Upon concrete arrival, slump check will be carried out. Sampling from selected truck will be taken in every
concrete at 7 days and 28 days after placing.
3.3.5 Moblie crane with bucket will be use for pouring concrete. Compaction of concreteby mean of mechanical or pneumatic vibrators. As the concrete is being placed and compacted, wooden level will be use for levelling of concrete and steel trowel for finishlevel.
3.4 Columns - Ground Level to Roof Beam
3.4.1 Erect staging to facilitate fixing of reinforcement, formwork and pouring of concrete.
3.4.2 Erect and fix columns reinforcement. Install formwork.
3.4.3 The reinforcement and formwork shall be inspected by the Consultant prior to concreteplacement.
3.4.4 Upon approval by the Consultant, concrete will be poured under the supervision of theConsultant.
3.4.5 Formwork will be stripped after the minimal curing period.
3.5 Roof Beam
3.5.1 Erect staging to facilitate fixing of reinforcement, formwork and pouring of concrete.
3.5.2 Erect and fix columns reinforcement. Install formwork.
3.5.3 The reinforcement and formwork shall be inspected by the Consultant prior to concreteplacement.
3.5.4 Upon approval by the Consultant, concrete will be poured under the supervision of theConsultant.
3.5.5 Formwork will be stripped after the minimal curing period.
3.6 Installation of approved roof trusses and roofing under the supervision of the Consultant
25m³ of concrete placed for making of six cubes for test on the quality and strength of
George Kent (M) - Leika SB JV/MS-CB-00 page 4 of 6
The Construction and Completion of Panching Water Treatment Works, Kuantan, Pahangfor The East Coast Economic Region Development Council (ECERDC)
Package 1 - Headworks, Water Treatment Works, Ancillary Buildings, Staff Quarters and Associated Works
Method Statement
Construction Of Chemical Building
3.7 The following task will be performed concurrently:
a Laying of bricks, construct reinforced concrete staircase, install doors and windows.
b Plastering to walls, tiling to wall and floor of toilet as shown in drawing.
c Installation of chequered plate, handrail, ladder and miscellaneous metal works.
d Installation of parameter drain, concrete apron, external interconnection pipeworks.
e Construction of external chambers and install uPVC sludge pipes. Placing of chemicaltrench precast concrete slab cover
3.8 This is follow by application of internal and external paint works. Install heavy dutyfibre glass grating and galvanised mild steel grating.
3.9 The building is ready for inspection and any remedial works will be carried out as required.
4 SAFETY, HEALTH AND ENVIRONMENT
4.1 The working areas will be kept clean and dry to the best possible at all time
4.2 All workers shall be wearing proper PPE within the working areas.
4.3 As the works area at the Process Plant proper is five meter from the groung level, proper access ladder shall be provided for the workers and ER.
4.4 Access road and working platform will be inspected regularly. Rectification work willbe carry out as soon as practical.
4.5 Safety briefing and tools box shall be carry out regularly.
4.6 Proper lighting will be provided if night work is to be carried out.
4.7 Oil, grease and diesel will be kept a distance away from river.
4.8 Conduct regular housekeeping on place of work.
4.9 Disposed waste away from site or to approved dumping ground
4.10 Regular maintainance of equipments.
George Kent (M) - Leika SB JV/MS-CB-00 page 5 of 6
The Construction and Completion of Panching Water Treatment Works, Kuantan, Pahangfor The East Coast Economic Region Development Council (ECERDC)
Package 1 - Headworks, Water Treatment Works, Ancillary Buildings, Staff Quarters and Associated Works
Method Statement
Construction Of Chemical Building
5.0 REFERENCE
5.1 Specifications for Civil and Structural Works - Volum 3A5.2 Approved Construction Drawings for Civil and Structural Works.5.3 Approved Method Statements5.4 Project Safety and Health Plan5.5 Project Quality Plan5.6 Environmental Management Plan
George Kent (M) - Leika SB JV/MS-CB-00 page 6 of 6
