HaGun Gantry Crane + Method of Works Install Stator Generator+Strand Jack + 03JuLy14.pdf

PT. Escorindo Jasa Prima

METHOD OF WORKS FOR LIFTING

Stator Generator

By Stand Jack and Skid Roller

PLTU KALTIM TELUK BALIKPAPAN 2X110MW

Teluk Balikpapan Kalimantan Timur

Prepared by Review by Approved by Distribution

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Rigging Engineer

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SITE MANAGER

Master : Rigging

Origin : Client

Copies : CONST. DEPT

Rev. No. - BRIEF OF REVISION

Effective Date:

03 July 2014

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PT. Escorindo Jasa Prima Method of Works for Lifting

Stator Generator By Strand Jack

Document No: Esco-RIG-HG-001

Date: 03 July 2014

PREPARED BY: Rigging Department

APPROVED BY: SITE MANAGER

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TABLE OF CONTENT

TABLE OF CONTENT .......................................................................................................... 2

1. GENERAL ...................................................................................................................... 3

2. PURPOSE ..................................................................................................................... 3

3. GENERAL NOTE ........................................................................................................... 3

4. RESPONSIBILITY ......................................................................................................... 4

5. BASIC REQUIREMENT ................................................................................................. 4

6. PREPARATION WORK ................................................................................................. 5

7. ORGANIZATION CHART .............................................................................................. 6

8. STATOR GENERATOR ERECTION SEQUENCE ......................................................... 6

9. METHOD OF ERECTION OF STATOR GENERATOR .................................................. 8

10. FLOW CHART STATOR GENERATOR ON BASED .................................................. 9

11. PREPARATION WORKS: ........................................................................................ 10

12. LIFTING TOOLS ...................................................................................................... 10

13. RIGGING VIEW ........................................................................................................ 10

14. RIGGING EQUIPMENT ............................................................................................ 20




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1. GENERAL

This procedure provides information for the erection of Stator Generator PLTU KALTIM TELUK BALIKPAPAN 2X110MW Teluk Balikpapan Kalimantan Timur Project.

2. PURPOSE

This Procedure is to make sure that all people involve in the erection, assembly and welding of Stator Generator activity understand and familiar to do the work with quality control system for getting quality result as per client specification and requirement, drawing, standard and code.

3. GENERAL NOTE

3.1. Inspection

As per the works required inspection, carry out inspection under attendance of Superintendent / Engineer and as surreally record is result.

3.2. Safety

3.2.1. A safety officer presents all times Safety Briefing.

3.2.2. Job Safety Analysis (JSA) must be carried out for all crane lifts and all other tasks that have potential risk to personnel of equipment.

3.2.3. Install scaffolding where necessary to install bolt in each beam and member connection.

3.2.4. Pre lift study before any lifting activity.

3.2.5. Lift briefing and Safety briefing before any lift; assign responsibility to all personnel involved. (Signalman, Rigger to crane driver, etc.)

3.2.6. Ensure all equipment required for installation is on hand and in position before lift i.e. Chain blocks, Lever blocks, Podgy, Drifts, Hammer, and Spanners. Etc.

3.2.7. Tag lines must be used to control lift.

3.2.8. Ground conditions must be ready before activities.

3.2.9. Set up safety rope around lifting area of Stator Generator area and put notice board entered “KEEP OFF EXCEPT PERSONEL CONCERNED”.

3.2.10. Lifting equipment should be in certification and tagged.

3.2.11. Crane and other machinery shall be inspected and certified.

3.3. Lifting

All conditions adapted to the Method of Works Install. Prior to commencement of lifting works, assuredly carry out check of lifting equipment.




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3.4. Assembly and erection

Erection Stator Generator of accordance with the manuals and drawings.

4. RESPONSIBILITY

4.1. Chief Construction

Responsible for the overall planning, coordination and control of erection work.

4.2. Field Engineer

Responsible for field erection work implementation and maintaining acceptable quality standard.

4.3. Field Superintendent and Supervisor

Responsible for the actual performance of the erection crew and examine the actual progress of work to ensure that it fit the drawing, specifications and standards.

4.4. Quality Control Engineer

Responsible for monitor and inspect the erection activities to ensure it is being done in compliance with procedure, ITP (Inspection and Test Plant), drawing, Project specification and other reference standard document and procedures.

4.5. Supporter Activities

These activities will support by Material Control, Quality Control, Welding Section, and others section related with these activities.

5. BASIC REQUIREMENT

5.1. Schedule and Planning

Master schedule is usually provided by PT Adhi Karya. The detailed schedule is prepared by Escorindo Jasa Prima according to his planning which is based on PT Adhi Karya’s master schedule. The milestone and the critical path can be identified which require proper planning. The sequence of erection activities and the resources required is included in the planning.

5.2. Erection Drawing and Erection Manual

Erection drawing and manual usually provided by Vendor. The Field Engineer and Superintendent shall check all drawings intended for Stator Generator Erection. All the information required is completed and all drawings shall be of latest revision.

5.3. Packing List

Packing List shall be provided by Vendor. This included all the listing of materials, equipment and parts that are supplied.




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The Packing List should indicate the quantity of the material and equipment supplied and its specification as described in the erection drawing. This will also indicate the size and the total weight of the component and the method of storage. Also the packing number and material coding is very essential.

5.4. Storage Area and Warehouse

Upon a thorough check on the drawing and the packing list, the quantity of materials and equipment is already known, including the method of storing, the size of the storage area and the warehouse can be identifies.

5.5. Resources

Identification of resources is integral part of planning and scheduling is the most essential part of the basic requirement in undertaking Structure Turbine House in particular and in all jobs in general. Resources means, the materials, labor and equipment needed to perform Structure Turbine House Project.

6. PREPARATION WORK

6.1. Checking of Stator Generator Erection Drawings

This has to be done by the Chief Construction, Field Engineer, Superintendent and Supervisor to determine the correct resources needed to perform the job.

6.2. Checking of Client Supplied Material and Equipment

Checking and inspection of the materials and equipment including the spare parts is to be done by the material control. He will make sure that all materials, equipment and spare parts received from PT Adhi Karya, conform to the quantity and the specifications started in the packing list or shipping.

6.3. Checking of Erection Materials, Equipment, Tools and Machinery

In the early stage of planning, these resources had been already identified. The schedule of mobilization as on planned schedule made by the Chief Construction and Engineer.

Checking of Labor

Labor requirement for every stage of erection job is prepared by the Chief Engineer and his erection team, which is in accordance to their planning.




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7. ORGANIZATION CHART

8. STATOR GENERATOR ERECTION SEQUENCE

It is assumed in this procedure that before starting the erection of the Stator Generator, the supporting structure were already erected and checked by others and clearance to proceed with the Stator Generator System erection had been obtained.

The following sequences are for reference only. During actual field assembly, refer to Method of Works Install and erection drawing (Rigging plan).

1. Install HaGun Gantry Crane, according to engineering drawing. 2. Install strand jack on position, according to engineering drawing. 3. Connects strand jack to stator generator by using recommended connector. 4. Lift by slowly stator generator until elevation 11000 mm top of level. 5. Moving horizontal HaGun Gantry Crane from start position to near of

foundation. 6. Replacing long foot to be short foot. 7. Move objet to foundation. 8. Degrading object until true position on the foundation. 9. Disconnect strand jack from stator generator.

ORGANIZATION CHART

Stator Generator

By Stand Jack and Skidding Roller

PLTU KALTIM TELUK BALIKPAPAN 2X110MW

Teluk Balikpapan Kalimantan Timur




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10. Finishing works.




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9. METHOD OF ERECTION OF STATOR GENERATOR

SRART

Control Position of Stator Generatorto be Lifted by Rigging Supervisor

Cleaning Stator Generator

Inspection Quality by QC & Safety

NO

Connected all Sling for Lifting

YES

Lifting Stator Generator

by HaGun Gantry Crane* From ELev. ±0.000

* To ELev. Target

Connected Stator Generator to Foundation

FINISH

METHOD OF

STATEMENT

PREP

AR

ING

AC

TIV

ITY

IN S

ITE

EREC

TIO

N A

CTI

VIT

Y




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10. FLOW CHART STATOR GENERATOR ON BASED

SRART

Control Position of Stator Generatorto be Lifted by Rigging Supervisor

Gantry Load Test, by using

Generator Lifting to elevation 250 mm up to ground floor

Inspection Quality by QC & Safety

Repair

Lifting Stator Generator

by HaGun Gantry Crane* From ELev. ±0.000

* To ELev. Target

Sliding Stator Generator

by HaGun Gantry Craneto the proper position

Stator Generator Base on Permanent Foundation

FINISH

Move Generator from Temporary Laydown to Lifting area by Skidding

Stator Generator is Opening Cover

and Visual Check

Quality Inspection by QC

Vendor Aproval

Connecting Sling to Stator Generator




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11. PREPARATION WORKS:

Preparatory works such as strand guides and temporary scaffold access plat form at top deck steel for jack operators and erectors and other levels access for watchman at various elevations must be prepared in advance.

12. LIFTING TOOLS

1. Strand Jack capacities 200 ton : 4 unit 2. Skidding capacities 125 ton : 4 unit 3. Gantry capacities 200 ton : 1 unit

13. RIGGING VIEW

Figure 1




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Figure 2




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Figure 3




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Figure 4




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Figure 5




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Figure 6




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Figure 7




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Figure 8




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Figure 9




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Figure 10




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14. RIGGING EQUIPMENT

1. Strand Jack

Figure 11




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Figure 12




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Figure 13




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2. Skidding

Figure 14

Documents

HaGun Gantry Crane + Method of Works Install Stator Generator+Strand Jack + 03JuLy14.pdf