1.0 OBJECTIVES
1.1 Block Paving Method Statement Objectives
This Method Statement describes the Construction Methodology and procedures amidst other details for the actualization of the summary task; Block Paving Works in respect of the subject project with Contract No: LC 10105800 for the; Engineering, Procurement, Installation and Commissioning (EPIC) Of An Annex Building (Portacabin) To Main Office Building In Ras Laffan Industrial City.
This Method Statement is however to be read and applied in conjunction with the attached Job Safety Analysis and the approved Project Health and Safety Plan (HSE Plan).
2.0 REFERENCES/SUPPORTING DOCUMENTS 2.1 List of References/Supporting Documents
2.1.1 Project Approved For Construction Drawing 2.1.2 Approved Site Survey Plan & Survey Report
2.1.3 Approved Project HSE Plan – Document No. QP-GLEC-LC10105800-005 2.1.4 Attached Job Safety Analysis (JSA No.
2.1.5 Qatar Construction Standard- Section 6
3.0 PERSONNEL, TOOLS, PLANTS AND EQUIPMENTS 3.1 Roles/Trades
Project Manager (Halil Elaga – 77020344) Surveyor Assistants
QA/QC Manager (Khalid Saad – 66749372) Masons
Site Engineer (Kola Ebunlomo – 77807358) Labors
HSE Engineer (Corlinous Obadare-700599933) Truck Drivers
Civil Foreman Grader & Shovel Operators
Surveyors Roller Operators
3.2.1 GLEC. Project Manager would be responsible for Co-ordinating between client and the Engineering Consultant for design and execution of project. 3.2.2 GLEC Site Engineer and General Foreman would be responsible for the
implementation of this Method Statement under the professional guidance of the Project Manager, Technical Manager and QA/QC Manager
3.2.3 The Project Safety Engineer would be responsible for advising, monitoring and ensuring that work execution comply with approved safety procedures.
3.3 Tools, Plants and Equipments
The major items of tools, plants and equipment envisaged for the project are herein below detailed;
Roller
Plate Compactor Wheel Loader Survey Equipment
Masonry and Carpentry Tools
All Plant, Machineries, Tools and Equipments would be inspected on each occasion before it’s used and in accordance with manufacturers and statutory requirements. If any defects are identified, the equipment shall be taken out of use and replaced.
Gulf Link Engineering & Contracting Company is also aware of the potential health hazards posed by hand arm vibration (HAV) and whole body vibration (WBV) and would ensure that relevant safety and preventive measures are taken as at when due.
4.0 SCOPE AND PROCEDURES
4.1 Scope of Works and Pre-activities
4.1.1 Activities captured in this Method Statement include the following: Laying of Kerbs
Placing of Fill/Sub-base Material Laying of Interlock Paviours/Stones 4.1.2 Pre-activities
Ensure approval and release of Work Area and Temporary Land Lease Area by QP and or other relevant departments prior to commencement of work on site as required.
Prior to commencement of work contained herein, Gulf Link Engineering & Contracting Company shall obtain the relevant work permits from QP/RLC. Toolbox shall be conducted by the Supervisor. Use of necessary PPE shall be
checked and enforced by the safety officer. (Safety Glass, Safety Shoe, Helmet, Coverall, etc.)
4.2 Construction Methodology/Procedures
4.2.1 Laying of Kerbs
4.2.1.1 Upon reaching the Site Sub-grade formation level, the Surveyor shall set out proposed Kerb Line according to the approved drawings.
4.2.1.2 Wood/metal forms for the Kerbs concrete base construction shall be placed and securely braced to limit any deflection during the concrete placement.
4.2.1.3 Concrete of specified grade and mix would be placed in erected formwork after wetting to aid bonding.
4.2.1.4 Steel Dowel bars shall be placed in the concrete base slab if required as per approved drawings
4.2.1.5 Kerbs shall be laid on cement mortar (1:4) bedding not more than 25mm thickness on concrete base as to adjust the levels of the kerbs with a maximum tolerance of 3mm as specified in the QCS.
4.2.1.6 In curvature locations and corners, kerbs shall be tailor cut according to the shape and dimensions.
4.2.1.7 As soon as Kerbs have been laid, contiguous Concrete backing of specified grade shall be poured behind laid kerbs for rigidity.
4.2.1.8 Joints between the Kerbs (Not more than 4mm) shall be filled with fluid cement mortar (1:4).
4.2.1.9 At every 10 to 20m intervals, moment joint of 20 mm thick shall be formed through the concrete bed and backing as well as the kerbs. Impregnated fiber board shall be used to fill the movement joints.
4.2.1.10 Curing shall be done for the entirely Kerbs, base and backing for seven days as captured in the QCS.
4.2.2 Placing of Fill/Sub-base Material
4.2.2.1 The area is to be leveled, watered and compacted by the means of roller or plate compactor in small areas where big roller cannot reach. The level of the formation is to be inspected and approved.
4.2.2.2 Approved Sub-base material shall be collected from stockpile and placed in maximum of 200mm compacted layers as applicable. The material is
to be properly mixed and oversize or lump materials shall be removed by labors.
4.2.3 Laying of Interlock Paviours/Stones (60 mm & 80 mm Thick)
4.2.3.1 Sand material bedding of approved quality shall be placed in 50mm layer, leveled and watered.
4.2.3.2 Interlock paviours (100 x 200 x 60mm or 100 x 200 x 80mm) shall be collected from approved source and laid in approved pattern as per approved for construction drawings.
4.2.3.3 Interlock paviours shall be neatly trimmed/cut to fit perfectly into kerb edges as applicable.
4.2.3.4 Fine/dune sand material shall be placed on top of laid Interlock paviours to fill in the joints.
4.2.3.5 The laid Interlock paviour is then compacted by means of Plate compactor.
4.2.3.6 The dune sand shall be hand brushed and removed after the compaction works is completed to the satisfaction of the Site engineer.
5.0 KEY MATERIALS REQUIRED 5.1 List of Key Materials Required
Earth Filling Material
Interlock Paviours Dune/Fine Sand
Concrete
6.0 RESIDUAL HAZARDS AND SAFETY REQUIREMENT 6.1 Specific Identified Residual Hazards
Slips, trips and falls
Use of mechanized equipment Manual handling
6.2 List of Safety Requirements
All activities would be undertaken in accordance with GLEC HSE plan and QP Safety procedures.
GLEC would ensure that all necessary PPE are provided and used accordingly at all
times.
Work permit would be obtained (when required) prior to commencement of work on site.
Relevant material safety data sheet (MSDS) shall be retained on Site in Custody of the HSE Department.