Method Statement for Formworks, Rebars, Cast-In-Situ Concrete

Submittal Transmittal Detailed, Grouped by Each Number

LC3 (R-15-085-BF-0)

Project # RUH-CP-1502

Tel: Date:

Fax:

3/8/2016

Transmitted To:

Reference Number: 0483

Hadi Omar Harb SSEM P.O. Box 6341 Al Rashid Tower, Tower, 5th Floor Floor Al Ma'athar Ma'athar Street 11442 Riyadh Tel: 4625511 Fax: 4627804

Transmitted By:

Qty

Submittal Package No

Description

1

0120 - 013300 - D1 - 1

Method Statement for Formworks, Rebars, Cast-In-Situ Concrete(Pouring, Embedments, Curing)

Due Date

Transmitted For

Delivered Via

Action

Package Action

Reviewed Exceptions Noted

Tracking Number

Hand

Items

Qty

Description

001

1

Method Statement for Formworks, Rebars, Cast-In-Situ Concrete(Pouring, Concrete(Pouring, Embedments, Curing)

Cc:

Paul Teague AECOM P.O. Box 58806 4 Floor, Tower 4, Tatweer Tower 11515 Riyadh Tel: Fax:

Company Name

Notes

Contact Name

Item Action

Reviewed - Exceptions Noted

Copies

Notes

Remarks

Reviewed Exceptions Noted, Resubmission Required. 1. Please see attached. Best Regards,

Signature Prolog Converge

Printed on: 3/9/2016

Prolog KKIA

KINGDOM KINGDOM OF OF SAUDI ARABIA

G ENERAL ENERAL AUTHORIT AUTHORITY O F CIVIL C IVIL AVIAT AVIA TION C O NSTRUCTION RUCTION O F LO LO AD C ENTER -3

Signed Date Page 1

KINGDOM KINGDOM OF OF SAUDI ARABIA

G ENERAL ENERAL AUTHORIT AUTHORITY O F CIVIL C IVIL AVIAT AVIA TION C O NSTRUCTION RUCTION O F LO LO AD C ENTER -3 M ETHOD HO D ST STA TEMENT EM ENT FOR FO R FO RMWO RM WORKS RKS,, REBA RS, RS, C A ST-IN-SITU C O NC RETE (PO URING, URING , EM EM BEDM BEDMENT ENTS, C URING) URING)

First

Rev.

A

Iss Issue

Date Da te::

B

17.01.1 17.01.16 6

18.02.16 18.02.16

C ONTRACT RACT #: R-15-085-BF-0 DOC DOC UMENTNUMBER: LC3.KKIA‐UN‐MSM‐GEN‐CV‐0021‐B

METHOD STA STA TEMENT FOR FORMWORKS, REBARS, CAST-INSI CA ST-INSITU TU CONCRETE (POURING, EMBEDMENT EMB EDMENTS, S, CURING) 1.The page header shall also include KKIA logo in the following sequence from left to right - GACA, KKIA, AECOM AECOM & SSEM. SSEM. SSEM may opt to place their company logo below the first three mentioned logos. 2.All appendices shall also show the correct (current) logos of GACA, KKIA and AECOM accordingly.

Project Quality Manager: Manager:

ENGR. Amr Ibrahim Metwally

Project Manager: Manager :

ENGR. HADI OMAR HARB

Page 1 of 27

KINGDOM OF SAUDI ARABIA

G ENERAL AUTHORITY O F CIVIL AVIATION C ONSTRUCTION OF LOAD C ENTER -3


G ENERAL AUTHORITY O F CIVIL AVIATION C ONSTRUCTION OF LOAD C ENTER -3 METHOD STATEMENT FOR FORMWORKS, REBARS, C AST-IN-SITU CONC RETE (POURING, EMBEDMENTS, C URING)

First

Rev.

Issue

Date:

A 17.01.16

CONTRACT#: R-15-085-BF-0

B

DOC UMENTNUMBER: LC3.KKIA‐UN‐MSM‐GEN‐CV‐0021‐B

18.02.16

Table of Contents 1.0

Purpo se ………………………………………………………………… ………………..03

2.0

Sco pe …………………………………………………………………………………….. 03

3.0

References and Standards …………………………………………………………… 03

4.0

Abb revi atio ns /Defini tio ns ……………………………………………………………..04

5.0

Work Progr am …………………………………………………………………………...04

6.0

Equip ment ………………………………………………………………………………..04

7.0

PPE Materials …………………………………………………………………………… 05

8.0

Manpow er Sch edule …………………………………………………………………… 05

9.0

Respon si bil it ies of Key Person nel ………………………………………………….. 06

10.0

Conc reti ng Method olo gy ………………………………………………………………07

11.0

Quali ty Requir ements …………………………………………………………………. 12

12.0

Health and Safety ……………………………………………………………………….13

Ap pen di ces Ap pen di x 1.0- Job Ris k As ses sm ent ………………………………………………..15 Ap pen di x 1.1- Carpen try Wor ks ……………………………………………………...15 Ap pen di x 1.2- Form wo rk s …………………………………………………………… 17 Ap pen di x 1.3- Steel Cut ti ng and Ben di ng …………………………………………. 19 Ap pen di x 1.4- Conc ret e Work s ……………………………………………………….21 Ap pen di x 2.0- Related ITP ……………………………………………………………. 23 Ap pen di x 3.0- Check li st ………………………………………………………………. 25 Ap pen di x 4.0- Prof or ma Wor k Perm it ……………………………………………….27

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1.0

First

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B 18.02.16

CONTRACT#: R-15-085-BF-0 DOC UMENTNUMBER: LC3.KKIA‐UN‐MSM‐GEN‐CV‐0021‐B

PURPOSE The purpose of this method statement is to provide description of procedure and method for the execution of for construction of reinforced concrete structure, the LC-3 Building and related structures. This include the fabrication/installation of formworks and reinforcing bars, the pouring of cast in situ concrete, and repair of newly casted concrete. As well as the necessary materials to ensure health and safety of employees with the requirement stipulated in the Contract Documents, as well as those in Saudi Construction Specifications (ASTM and SASO-ISO)

2.0

SCOPE This method statement covers the task related to construction of reinforced concrete building. This include but is not limited to : raft or strip foundations, retaining walls, columns, girders, suspended and slab on grade, concrete duct banks, manholes, other equipment supports and foundation.

3.0

REFERENCES AND STANDARDS Construction of reinforced concrete building will be in accordance with the following standards: 3.1 Saudi Arabia Construction Specification. 3.2 Employers requirements, Materials Specification 3.3 Approved with Comments (AWC) design and construction drawings. 3.4 ACI-117 3.5 ACI-318 3.6 ACI-347R 3.7 ACI-304R 3.8 ACI-305R 3.9 ASTM-C39 3.10 SASO SSA2 3.11 SASO SA 224

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4.0

5.0

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B

17.01.16

18.02.16


ABBREVIATION/DEFINITION PM

Project Manager

PQP

Project Quality Plan

QIP

Quality Inspection Plan

QA&QC

Quality Assurance & Quality control

MS

Method Statement

PPE

Personal Protective Equipment

HSE

Health, Safety & Environment

PPE

Personal Protective Equipment

ECO

Environmental Control Officer

CR

Construction Regulation

EMP

Environmental Management Plan

OHSA

Occupational Health and Safety Act

SO

Safety Officer

EO

Environmental Officer

WORK PROGRAM Construction of the building comprise of: 5.1 Two level building with floor area approximately 5,500 sq. m. 5.2 Construction of generator room, 1500 sq. m. with individual support for the equipment. 5.3 Control room area with provision for LV and MV- panel controls. 5.4 Construction of duct banks for the associated power, communication, waterlines and plumbing lines.

6.0

EQUIPMENT The contractor (SSEM) will provide the following equipment throughout the project, quantities will be determined by actual site demand. Equipment will be inspected prior to mobilization and shall hold valid insurance certificates, as well as certified/competent operators.

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18.02.16

Type of Equipment Concrete Transit mixers Concrete Pumps Portable Concrete Vibrator Boom trucks Water Truck Bar Benders Bar Cutters Circular Saw (Table Type) Portable electric grinders Portable electric jigsaws Misc. hand tools

Units (No.) Depend on conc. volume 1 2 1 1 2 2 2 4 4 1 lot

Table I. Equipment Intended for Concrete constr uction works. 7.0

PPE MATERIAL S Personal Protective Equipment (PPE) should be provided in order to perform all works in accordance with the safety procedures and taking into consideration the importance of proper preventive measures to ensure safety in the performance of work. Type of Equipment Safety Helmet Safety Boots/Shoes Safety Glasses Safety Masks Coveralls High Visibility Vests Hand Gloves Fall Arrester Safety Harness Table II. Person al Protect ive Equipment Intended fo r Concrete Constru ctio n Works.

8.0

MANPOWER The workforce including foremen, operators, and technicians shall be well qualified with third party certificates wherever applicable/relevant.

Subcontractors for different trades shall be deployed depending on demand, to cover up shortfalls and to cope up with the construction schedule.

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B


18.02.16

CONTRACTOR (SSEM) Construction Manager Site Engineer QC- Engineers Surveyor Safety Engineers Civil Foreman Carpenters Steel fixers Mason Scaffolders Equipment Operators Safety officers Flagmen First Aider Laborers Table III. Manpow er for Concrete Constru ctio n Works. 9.0

RESPONSIBILITIES OF KEY PERSONNEL 9.1

Constr ucti on Manager The Construction Manager will plan and expedite for the continuous supply of resources to cope up with the project demand and schedule. The construction manager will keep record of the progress of work. He will report to the project manager on matters affecting completion of project. He will give direct orders to the site engineer for the effective implementation of work program.

9.2

Site Engin eer The Site Engineer will be in charge for the supervision and implementation of all concrete construction works as required in the specifications and drawing, especially in giving orders to Site foremen. Site engineer is also in charge for the preparation of daily, weekly and monthly reports. He will coordinate with the QC-engineer on matters concerning Inspection request and attend to final inspection together with SSEM QC-engineer and the owners’ Engineer.

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B 18.02.16


Quality Contro l Engineer The QC Engineer will be responsible for compliance of work to the reference contract drawings, specifications and other QA/QC conditions required by The Engineer. He will monitor daily activities and notify concerned parties when works deviates from the standard. He will issue proactive notification when needed to prevent non-compliance works.

9.4 Site Foreman The Site Foreman will be in charge for the supervision and implementation of various stages of concrete construction works, as instructed by the Site engineer. He will be responsible for the execution of works in compliance to approved drawing and contract specifications. Foreman shall also keep record of all work schedules, work production and daily safety issues. 9.5

Site Surveyor The Site Surveyor will be in charge for the setting out for building corners, elevation and make the vertical/horizontal reference at site. He will stake out for lines and elevations of underground utilities construction and will prepare reports for excavation and backfilling works.

10.0 CONCRETING METHODOLOGY 10.1 Sequence of Work The following are the sequence of work in the construction of Cast-in Situ Concrete: 10.1.1

Fabrication and installation of form works.

10.1.2

Fabrication and installation of steel reinforcements.

10.1.3

Installation of anchor bolts, block-outs and other embedment to concrete when needed.

10.1.4

Form closure and installation of supports

10.1.5

Pouring of ready mix concrete.

10.1.6

Preparation of concrete sample specimen for testing purposes.

10.1.7

Finishing and curing of concrete.

10.1.8

Stripping of formworks.

10.1.9

Repair of minor concrete imperfection.

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10.2 Formworks 10.2.1

Forms shall be substantial and sufficiently tight to prevent leakage of mortar from the concrete. Contractor shall use sufficient nailing, bolting, welding, shoring, whalers, form clamps and forming of adequate strength to contain the fluid concrete without noticeable deflection, leaning or bulging

10.2.2

Forms shall be properly braced or tied together to maintain position and shape. Forms shall be built to resist the pressures to which they will be subjected and to limit deflections to a practicable minimum within the specified tolerance.

10.2.3

Formwork shall be anchored to the shores below so that movement of any part of the formwork system will be prevented during concreting

10.2.4

Block outs, inserts, sleeves, anchors, water stops and other embedded items shall be properly identified, positioned and secured in the forms to resist all forces while concrete is being placed and hardens.

10.2.5

Old forms shall be thoroughly cleaned of all dirt, mortar and foreign matter and coated with a release agent before each use.

10.2.6

A polyethylene sheet shall be placed beneath and around the sides of concrete that is placed against soil where bitumen or coal tar epoxy cannot be applied.

10.2.7

A polyethylene sheet, minimum 0.15mm thick, shall be placed beneath slabs on grade and other concrete structure when shown in the drawing.

10.2.8

Water stops shall be provided in joints where watertight construction is required. Location and type of water stops shall be as shown on construction drawing.

10.2.9

Expansion joint filler strips shall be made from fiber board securely bound together by a suitable asphaltic binder.

10.2.10 Well trained manpower shall be deployed as the height of formworks increases. 10.2.11 Erecting formwork frames should be erected in a progressive manner to ensure both the installers safety and the stability of the overall structure. 10.2.12 Braces should be attached to the frames as soon as practical. As erecting the frames continues, designated access ways should be indicated by using bunting or by other means. 10.2.13 Provide the side bracing or other edge protection is installed progressively and as soon as enough material has been raised up.

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10.2.14 Framing is carried out in accordance with on-site design documentation and manufacturers’ instructions. 10.3 Steel Reinfo rc ements 10.3.1

Forms shall be inspected and checked before the reinforcing steel is placed to the dimensions and locations on the structural plans.

10.3.2

The minimum concrete cover shall be measured from the outer most rebar (tie bar), that shall be provided for reinforcement of cast-in-place concrete structures as indicated in the drawings.

10.3.3

Reinforcing steel rebar shall be correct in size, quantity, layout, spacing, position as per the contract drawing

10.3.4

Reinforcing Steel lap splice lengths for each bar size shall be as detailed for each size as shown on the Contract Drawings.

10.3.5

Welding of reinforcement shall not be allowed unless authorized by The Engineer or called for specifically on the Contract Drawings.

10.3.6

Provide necessary and safe scaffolding / platform as the height increases for steel reinforcement installation.

10.3.7

Dowel bars and anchorage shall be as per approved drawing and specifications and be maintained whenever necessary.

10.3.8

All reinforcement must be cleared to ensure that it is free from oil, dust and deleterious materials.

10.4 Anch or bolt s and Embedded Items 10.4.1

Anchor bolts and embedded items shall be set accurately, using templates.

10.4.2

Anchor bolt projection above the top of concrete is computed as follows: Single Nuts: Thickness of grout + thickness of base plate (or height of anchor bolt chair above the top of grout) + 1.5 x diameter of anchor bolt. Double Nuts: Thickness of grout + thickness of base plate (or height of anchor bolt chair above the top of grout) + 2.5 x diameter of anchor bolt.

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10.5 Form Closur e Inspectio n 10.5.1

Reference markers shall be installed on the formwork shores to detect formwork movements during concreting

10.5.2

Wedges used for final alignment before concrete placement shall be secured before placing concrete.

10.5.3

Formwork shall be anchored to shoring to prevent any movement of any part of the formwork during concreting.

10.5.4

Closure of form joints, settlement of blinding slabs, shrinkage of lumber, elastic shortening and deflections of form members shall all be countered prior to concrete placement.

10.6 Conc rete Pouring 10.6.1

Concrete pouring shall be done after pre-placement inspection and authorization to proceed by The Engineer.

10.6.2

Temperature, slump of ready mix concrete shall be checked upon arrival at site.

10.6.3

Experienced form watchers shall be provided during concrete placement to detect form displacement or the beginning of failure.

10.6.4

Re-tempering of concrete after initial setting is prohibited.

10.6.5

Concrete that has partially hardened or been contaminated by foreign materials shall not be deposited in the structure.

10.6.6

Concrete shall not be dropped freely where reinforcing will cause segregation nor where it would fall freely from a height not allowed by the specifications.

10.6.7

Concrete shall be discharged as near as possible to its final position to avoid segregation due to re-handling or flowing.

10.6.8

Placed concrete shall be consolidated by mechanical vibration equipment supplemented by hand spading, rodding or tamping.

10.6.9

After completing placing and finishing operations, efforts must continue to protect concrete from high temperatures, direct sunlight, low humidity, and drying winds.

10.6.10 Concrete paving shall have control joints or construction joints located shown in the contract drawing.

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B 18.02.16


10.6.11 Paving or slab construction joints not specified on the Contract Drawings, shall be located at column centerlines and at intermediate intervals approved by The Engineer. 10.6.12 Paving or slab construction joints not specified on the drawings, shall meet all requirements for architectural concrete matching the grade and type of finish present in the adjacent concrete. 10.6.13 Contraction or isolation joints shall be provided to divide structurally plain concrete members into flexural discontinuous elements. (ACI 318M, Sec. 2.2.3.1). 10.7 Concrete Finishing and Curing Inspection 10.7.1

Initial floating shall be completed after concrete placement.

10.7.2

The second floating operation shall take place after initial set but before final set has occurred (usually performed using a power trowel with float shoes or a pan attached).

10.7.3

The use of any floating or troweling machine that has a water attachment for wetting the concrete surface during finishing shall be prohibited.

10.7.4

Maximum total dissolved solids in water used for moist curing shall not exceed 1000 parts per million.

10.7.5

Water curing shall be continuous until the compressive strength has reached 70% of the specified strength, but not less than 7 days after placement.

10.7.6

Continuous water cure can be provided by covering with wet burlap and plastic; the saturated burlap shall be covered with a polyethylene sheet vapor barrier, minimum 0.15 mm (150 microns) in thickness.

10.7.7

Where appearance is important, concrete curing by 0.15 mm polyethylene film shall be avoided; film over damp burlap may be used (ACI 308, Sec. 2.4.2.1)

10.8 Stripping of Formw orks 10.8.1

Unless otherwise specified in the project specifications, formwork and shoring shall be left in place to support the mass of concrete in beams, slabs and in-place structural members until the specified concrete strength f'c is attained. (ACI 301, Sec. 2.3.2.5) Note: The preferred method of determining stripping time is by testing test cylinders that are cured on-site or testing concrete strength in the field.

10.8.2

When finishing is required, remove forms as soon as removal operations will not damage concrete. (ACI 301, Sec. 2.3.2.1)

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10.8.3

Repairs and treatment on minor concrete damage shall be started immediately. (ACI 301, Sec. 2.3.2.5).

10.8.4

Forms removal (stripping) shall be based on concrete's achieving minimum strength requirements as set forth by the design engineer as verified by sample cylinders compressive strength results.

10.9 Cast-In-Place Concrete Final Acceptance 10.9.1

All concrete surfaces in direct contact with earth shall be coated with two coats of coal tar or bitumen coating consisting of two coats coal tar epoxy coating system for Immersion Service or Bituminous Paint for Moderate Temperatures in Buried or Immersion Service. Overall dry coating thickness shall be from 325μm to 605μm.

10.9.2

All surface defects such as cracks or honey-combing shall be filled with mortar consisting of 1 part Portland Cement of the type specified for the job and 2.5 parts fine sand and ground in smooth with a trowel or carborundum grind stone float. (ACI 515.1R, Sec. 3.2.1) Note: Proprietary compounds may be used in lieu of mortar in accordance with the manufacturer's recommendations and with prior approval of The Engineer.

10.9.3

Finns, protrusions or similar irregularities projecting from the concrete shall be removed back to the surface by chipping, brush hammering, needle gunning or wire brushing. (ACI 515.1R, Sec. 3.2.4)

10.9.4

Sharp offsets in the concrete caused by formwork misalignment, shall be mechanically abraded to provide gradual and smooth transitions between offset surfaces. (ACI 515.1R, Sec. 3.4.2)

10.9.5

After finishing and curing operations all exposed construction joints, control joints, expansion-contraction joints or other types shall blend into and match with the existing adjacent concrete finishes (ACI 301, Sec. 5.3.3)

11.0 QUALITY REQUIREMENTS To ensure the quality control of reinforced concrete construction works, a third party laboratory technician will be at site to check the following: 11.1 Temperature of ready mix concrete upon arrival at site. 11.2 Concrete workability by checking concrete slump. 11.3 Preparation and proper curing/preservation of concrete sample specimen. 11.4 Check proper mixing proportion and procedure for application of proprietary compounds for concrete repairs and surfacing.

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11.5 Check for surface preparation and thickness of coating application. 12.0 HEALTH AND SAFETY During the progress of works, the necessary welfare facilities shall be provided at the project site. The workers shall be provided with safe drinking water, toilets, place to eat their food and place to store their clothes. Tower lights will be used during night time works and is essential for the safety of workers, the equipment and the proper execution of work. Barriers around construction area shall be installed. 12.1 ISSUES 12.1.1

The HSE engineer has the responsibility for providing help advice to the supervisor who is responsible for the work safety.

12.1.2

No one shall be allowed to enter the construction site without wearing the proper PPE’s.

12.1.3

Ensure that there is sufficient scaffolding/platforms and safety harness/fall protection when working in heights.

12.1.4

Beware of slipping when using ladders in wet conditions.

12.1.5

Provide protective barriers, shield systems complying with applicable standards.

12.2 RESPONSIBILITIES 12.2.1

Safety Engineer 12.2.1.1 Conduct the safety induction course to all personnel involved in the work. 12.2.1.2 Monitor and supervise the risk assessment. 12.2.1.3 Ensure that necessary Permit to Work is available.

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G ENERAL AUTHORITY O F CIVIL AVIATION C ONSTRUCTION OF LOAD C ENTER -3 FORM WORKS, REBARS, C AST-IN-SITU CONC RETE (PO URING , EMBEDMENTS, C URING )

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12.2.1.4 Ensure that the project’s method statement and risk assessment are understood, complied and applied in the worksite. 12.2.1.5 Ensure that all workers are provided with sufficient information regarding workplace hazards and planned control measures. 12.2.1.6 Ensure that necessary equipment (e.g. PPE, tools) is provided prior to start of works. 12.2.1.7 Ensure that all tools, equipment are certified and serviceable in accordance with the standard industry practice prior to use. 12.2.1.8 Ensure that adequate level of welfare arrangements are available in the worksite. 12.2.1.9 Daily inspection of health, safety and environmental compliance is carried out. 12.2.2 Safety Officer 12.2.2.1 Supervision of equipment handling, transportation and disposal of construction debris. 12.2.2.2 Ensure that relevant work permit is secured prior to start of work. 12.2.2.3 Ensure that equipment is operational and certified. 12.2.2.4 Ensure that all drivers/operators are qualified to operate the machines/equipment. 12.2.2.5 Regular inspection and maintenance of the equipment. 12.2.2.6 Perform other duties as instructed by the safety engineer.

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G ENERAL AUTHORITY O F CIVIL AVIATION C ONSTRUCTION OF LOAD C ENTER -3 FORM WORKS, REBARS, C AST-IN-SITU CONC RETE (PO URING, EMBEDMENTS, C URING )

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CONTRACT #: R-15-085-BF-0 DOCUMENTNUMBER: LC3.KKIA‐UN‐MSM‐GEN‐CV‐0021‐B

APPENDICES

Ap pen di x 1.0 Job Ris k A ss ess men t

Ap pen di x 1.1 Carpen tr y Wo rk s

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G ENERAL AUTHORITY O F CIVIL AVIATION C ONSTRUCTION OF LOAD C ENTER -3 FORM WORKS, REBARS, C AST-IN-SITU CONC RETE (PO URING, EMBEDMENTS, C URING )

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GENERAL A UTHORITY O F CIVIL AVIA TION C ONSTRUC TION OF LOAD C ENTER -3


GENERAL A UTHORITY O F CIVIL AVIA TION C ONSTRUC TION OF LOAD C ENTER -3 FORM WORKS, REBARS, C AST-IN-SITU CONC RETE (PO URING , EMBEDMENTS, C URING )

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Ap pen di x 1.2 Form wor ks

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GENERAL AUTHORITY OF CIVIL AVIATION CONSTRUCTION OF LOAD CENTER -3


GENERAL AUTHORITY OF CIVIL AVIATION CONSTRUCTION OF LOAD CENTER -3 FORMWORKS, REBARS, CAST-IN-SITU CONCRETE (POURING, EMBEDMENTS, CURING)

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CONTRACT #: R-15-085-BF-0 DOCUMENT NUMBER: LC3.KKIA-UN-MSM-GEN-CV-0021-B

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Ap pen di x 1.3- Steel Cu tt in g an d B end in g

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Ap pen di x 1.4 Conc ret e Wor ks

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Appendix 2.0- Related ITP


CONSTRUCTION OF LOAD CENTER 3 (LC-3) AT KING KHALED INTERNATIONAL AIRPORT (KKIA) INSPECTION TEST PLAN FOR CIVIL WORKS CONTRACTOR: SAUDI SERVICES ELECTRO MECHANICAL WORKS. CO. (SSEM) (Close Joint Stock Company) CONTRACT NO.: R-15-085-BF-0

ITP Ref. No.: Sec No.:

TITLE: CIVIL WORKS

Sec Title.:

Activity No. 7 7.1 7.1.1 7.1.2 7.1.3 7.1.4

Activity Description

Test or Inspection Performed STRUCTURAL CEMENT CONCRETE CONSTRUCTION FORMWORK Check dimension of formwork for conformity to the drawings Check elevation and level

Check survey design date

Check stability of bracing , trying, shoring, false work and supports Check of cleanliness, surface smoothness and form oil coating

Visual Inspection Visual Inspection

Corner chamfering as per drawing requirements

Visual Inspection

Check stability and position of control joints

Visual Inspection

Re-bar Quality

7.2.2

Check size and spacing of re-bar and concrete cover as applicable and also ensure that air blowing is made to ensure clean surface

7.3

Test Required

Code/Spec/Etc.

Technical Specification Civil Works Technical Specification Civil Works Technical Specification Civil Works Technical Specification Civil Works Technical Specification Civil Works Technical Specification Civil Works

SSEM CHECK SSEM CHECK SSEM CHECK SSEM CHECK SSEM CHECK SSEM CHECK

Acceptance Criteria

SSEM

Approved Construction Drawings Approved Construction Drawings

AECOM

Demonstrated Evidence Report/Checklist

RR

W

Checklist Form IC-C-007

RR

W


Project Specification

RR

S



H

S



H

S


Approved Construction Drawings

H

S


Check embedded item for and free from damage Check installation of embedded items and proper support CONCRETE PLACEMENT

Check Rebar Chemical Composition, Tensile and Bending Compliance w/ (ASTM A 615)

Every 300tons/per size dia.

Factory Test/Third Party Test

Technical Specification Civil Works

Project Specification/Approved Material Submittal

RR

RR

Mill Certificate/Test report

Visual inspection

After assembly of Rebar

SSEM CHECK


Approved Construction Drawings/Bar bending Schedule

H

W


Visual inspection Visual inspection Check Approved Concrete Mix Design Check Coarse/Fine Aggregate comply w/ (ASTM C 33) Check Approved Concrete Mix Design Witness checking of Slump (ASTM C 143) Witness checking of Yield, Air Content (ASTM C 138)

7.3.1

Concrete mix design

7.3.2

Concrete material quality

7.3.3

Check Concrete delivery for correct mix as per specification

7.3.4

Concrete slump Test

7.3.5

Concrete Yield, Air Content

7.3.6

Concrete making specimen in the field

7.3.7

Check movement and free dropping of concrete

Visual Inspection

7.3.8

Check for proper vibration while placing concrete

Visual Inspection

7.3.9

After installation of formworks After installation of formworks After installation of formworks After installation of formworks After installation of formworks After installation of formworks

Method of Verification

Reference Documentation

LAYING OF REBAR AND EMBEDDED ITEMS

7.2.1

7.2.4

Stage / Frequency

Check Visual/Survey Inspection

7.1.6

7.2.3

Date: October 2015

Inspection / Test Requirements

7.1.5

7.2

ISSUANCE: 01 REVISION: 00

Witness checking of sample cylinder (ASTM C31

Check result compressive strength (ASTM C39)

Compressive Strength Test

After assembly of Rebar After assembly of Rebar

SSEM CHECK SSEM CHECK

Prior to actual production get started

Third Party Test

daily

Third Party Test

Every Batch Ticket

Third Party Test

Every Truck Mixer

Third Party Test

Control Mix Twice Weekly Six test cylinder each day used for 28 days test additional test cylinder may be prepared for 7 days test (per 200cu.m.) During Concrete Placement During Concrete Placement Six test cylinder each day used for 28 days

Third Party Test

THIRD PARTY TEST

SSEM CHECK THIRD PARTY TEST

Note:


H

W


Approved Construction Drawings

H

W



RR

RR

Materials Submittal Report


S

S



S

S


W

W


W

W


Technical Specification Civil Works Technical Specification Civil Works Technical Specification Civil Works Technical Specification Civil Works Technical Specification Civil Works

Test Result Compliance w/ Project Specification Test Result Compliance w/ Project Specification


Test Result Compliance w/ Project Specification

W

W



S

S



S

S


Test Result of 6 tests cylinder at 28 days shall be

RR/W

RR

Material Test Report

Technical Specification Civil Works Technical Specification Civil Works Technical Specification Civil Works

SSEM CHECK

N/A – NOT APPLICABLE

ABBREVIATIONS:

Technical Specification Civil Works Technical Specification Civil Works

W-

WITNESS PONT

S –

SURVEILLANCE

H –

HOLD POINT

RR – REVI EW OF REPORT

AECOM- Consultant SSEM-

Contractor Page 23 of 27

Page 1 of 2




ISSUANCE: 01 REVISION: 00

TITLE: CIVIL WORKS

Sec Title.:

Date: October 2015

Activity No.


Inspection / Test Requirements Test or Inspection Performed

Stage / Frequency

Reference Documentation Test Required

Code/Spec/Etc.

Acceptance Criteria

test additional test cylinder may be prepared for 7 days test 7.4

Method of Verification SSEM

AECOM


at least 25.0 N/mm2 (Average of 6 Cylinder

FINISHING AND CURING

7.4.1

Check for Curing as per specification requirements

7.4.2

Check formed surfaces for finish

7.4.3

Repair surface defects as per approved procedure

7.4.4

Check joints and application of filler and sealant

ABBREVIATIONS:

Approved Materials compliance w/Project Specification

S

S




S

S


H

W


H

S


Check Approved Materials for curing

After placement of Concrete

SSEM CHECK


Visual Inspection

After Dismantling of Concrete Forms

SSEM CHECK

As per Approved Material supplier procedure for Repair Visual Inspection


SSEM CHECK


Approved Materials compliance Method Statement /Project Specification


SSEM CHECK




Note: Page 2 of 2

W-

WITNESS PONT

S –

SURVEILLANCE

H –

HOLD POINT







TITLE: CIVIL WORKS

Sec Title.:

Activity No.

ISSUANCE: 01 REVISION: 00 Date: October 2015

Inspection / Test Requirements


Test or Inspection Performed

Stage / Frequency

Test Required

Code/Spec/Etc.

Acceptance Criteria

test additional test cylinder may be prepared for 7 days test 7.4 7.4.1 7.4.2

Method of Verification

Reference Documentation

SSEM

AECOM


at least 25.0 N/mm2 (Average of 6 Cylinder

FINISHING AND CURING Check for Curing as per specification requirements Check formed surfaces for finish

7.4.3

Repair surface defects as per approved procedure

7.4.4

Check joints and application of filler and sealant

Check Approved Materials for curing

After placement of Concrete

Visual Inspection


As per Approved Material supplier procedure for Repair Visual Inspection

S

S




S

S


H

W


H

S



SSEM CHECK


SSEM CHECK


Approved Materials compliance Method Statement /Project Specification


SSEM CHECK




ABBREVIATIONS:

Approved Materials compliance w/Project Specification

SSEM CHECK

Note:

W-

WITNESS PONT

S –

SURVEILLANCE

H –

HOLD POINT




Page 2 of 2

Appendix 3.0- Checklist 





CONSTRUCTION OF NEW LOAD CENTER-3 AT KING KHALED INTERNATIONAL AIRPORT

STRUCTURAL CEMENT CONCRETE CONSTRUCTION IC Checklist No.: 085-IC-C-007

Project: Construction of New Load Center-3 Contract No.: R-15-085-BF-O Facility Name: Drwg. No. / Line No.: Work / item for Inspection: Item

1

2

3

Activity

Formworks dimensions and elevation conforming to the drawing Check stability of bracing , trying, shoring, false work and supports Check of cleanliness, surface smoothness and form oil coating

ITP Ref. No.: 085-ITP-C-8.0 Sec: Area/Location:

SSEM Engr.

SSEM QC

GACA/AECOM Representative A R N/A

Corr. Sign Off

Remarks







STRUCTURAL CEMENT CONCRETE CONSTRUCTION IC Checklist No.: 085-IC-C-007

Project: Construction of New Load Center-3 Contract No.: R-15-085-BF-O Facility Name: Drwg. No. / Line No.: Work / item for Inspection: Item

Activity

1

Formworks dimensions and elevation conforming to the drawing Check stability of bracing , trying, shoring, false work and supports Check of cleanliness, surface smoothness and form oil coating Corner chamfering as per drawing requirements Check Compaction density of CTB Check stability and position of control joints Check Re-bar Quality Check size and spacing of rebar and concrete cover as applicable and also ensure that air blowing is made to ensure clean surface Check quality and installation of embedded materials Check Concrete delivery for correct mix as per specification Visual inspection of finished CTB Concrete slump Test Concrete making specimen in the field Check movement and free

2

3

4 5 6 7 8

9 10 11 12 13 14

ITP Ref. No.: 085-ITP-C-8.0 Sec: Area/Location:

SSEM Engr.

SSEM QC

GACA/AECOM Representative A R N/A

Corr. Sign Off

Remarks

Page 25 of 27










dropping of concrete 15 Check for proper vibration of concrete 16 Check for compressive strength of concrete 17 Check for proper curing of concrete 18 Repair of surface defects as per approved procedure 19 Check joints and application of filler and sealant GACA/AECOM Representative Remarks:

SSEM QC Representative Sign: Name: Date:

Legend: A=Acceptable; R=Rejected; N/A=Not Applicable

GACA / AECOM Representative Sign: Name: Date:

Page 26 of 27

Appendix 4.0- Proforma Work Permit SSEM-HSE/PERMIT/002/M07-11, Rev0.1, July2011

Appendix 4.0- Proforma Work Permit SSEM-HSE/PERMIT/002/M07-11, Rev0.1, July2011

FORMWORKS, REBARS & CAST-IN-SITU CONCRETE WORK PERMIT DATE: ______________________PERIOD: __________________TO:__________________PERMIT NO.:_______________ EQUIPMENTS: _______________________________________________________WORK AREA: ______________________ DESCRIPTION OF WORK:_________________________________________________________________________________

NAME OF THE ORIGINATOR: COMPANY:

DEPARTMENT:

SIGNATURE:

COMPLEMENTARY PERMITS

PERFORMING AUTHORITY

YES

NO

N/A

DRIVING IN UNAUTHORISED AREAS

NAME: SIGNATURE & DATE: CONTACT NO:

CLEARANCE FROM YERP AUTHORITY CLEARANCE FROM ROYAL COMMISSION CLEARANCE FROM OTHER DEPARTMENTS

RISK ASSESSMENT

SAFETY PRECAUTUONS YES

NO

YES

N/A

ELECTRICAL ISOLATION

PERSONAL PROTECTIVE EQUIPMENT (P.P.E) BARRICADES AND WARNING SIGNS

METHOD STATEMENT / JSA

AREA IS SUITABLE FOR CONCRETE REPAIR WORK

ENOUGH ACCESS/EGRESS

ADDITIONAL ILLUMINATION PROPER ACCESS ACCESS/EGRESS CLEAR FROM OBSTACLES FIRE EXTINGUISER / FIRE WATCHMAN LIFE LINES/ SAFETY HARNESS BREATHING EQUIPMENT EMERGENCY RESCUE TEAM AVAILABLE.

SUFFICIENT SCAFFOLDING/PLATFORMS AREA CLEAR FROM COMBUSTIBLE SUBSTANCES ANY OTHER WORKS ADJACENT ISOLATION FROM OTHER WORKS

SLOPING OR SHIELDLING PROVIDED

AREA CLEAR FROM TOXIC GASES

NO MATERIAL KEPT NEAR THE EXCAVATION

EXISTING TEMPORARY OR PERMANENT UTILITIES SUITABLE EQUIPMENT AND TOOLS AVAILABLE

GAS CYLINDERS KEPT OUT FROM THIS AREA

NO

N/A

WORKERS AWARE OF HAZARDS AND PRECAUTUONS TO BE TAKEN

OTHER REQUIREMENTS (IF NECESSARY)

DECLARATION (to be filled by Performing Authority) And Competent Person I, UNDERSIGNED HAVE CHECKED THE AREA AND COMPLIED TO ALL SAFETY PRECAUTIONS AND RISK ASSESSMENT AND WILL CARRY OUT ACTIVITY WITH APPROVED METHOD STATEMENT

NAME:

SIGN:

NAME:

SIGN:

PERMIT VALIDITY (to be filled by Site Manager/Engineer) THE ABOVE WORK HAS BEEN APPROVED AND SHALL BE CARRIED OUT SAFELY. IT HAS TO BE ENSURED THAT THE EMPLOYEE EXECUTING THE JOB HAS A COPY OF THE PERMIT AT ALL TIMES DURING THE WORK.

NAME:

SIGNATURE:

DATE:

PERMIT CLEARANCE (to be filled by HSE/Safety Representative) I DECLARE THAT ALL WORK UNDER MY CONTROL HAS NOW BEEN COMPLETED AND THE AREA HAS BEEN CLEARED AND THAT ALL TOOLS AND OTHER EQUIPMENT HAVE BEEN REMOVED

NAME:

SIGNATURE:

DATE:

PERMIT CLOSED (to be filled by Performing Authority) THE ABOVE WORK WAS COMPLETED SAFELY AND THE WORK PERMIT SHALL BE CANCELLED

NAME:

SIGNATURE :

DATE:

NAME:

SIGNATURE:

DATE:

Yellow- Site

Blue - HSE office

SAFETY DEPARTMENT: White - Client Office

Page 27 of 27

Method Statement for Formworks, Rebars, Cast-In-Situ Concrete

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