PT.

KRAKATAU POSCO

PT. MATRA ENGINEERING CONSTRUCTION

DOC NO. REVISION STATUS

STANDARD OPERATIONAL PROCEDURE

STRUCTURAL WORKS
PIPING PREPARATION & INSTALLATION

PT. KRAKATAU POSCO

Jl. Afrika No.2, Cilegon Banten 42443

FOR APPROVAL

0 26-04-2022 Issued for Approvals M.P M.T H.P

PREPARED CHECK. APPR.
REV DATE DESCRIPTION
PT. MATRA ENGINEERING CONSTRUCTION
STATUS CODE : A = Issue for Reviewed – B = Issued for Approval – C = As Build

TOTAL OR PARTIAL REPRODUCTION AND/OR UTILIZATION OF THIS DOCUMENT ARE FORBIDDEN WITHOUT PRIOR WRITTEN
AUTHORIZATION OF THE OWNER
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REVISION SHEET DESCRIPTION

NO PAGE SECTION CHANGE LOG REV.

1 ALL - FIRST ISSUED 0
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Contents

1. GENERAL.............................................................................................................................................2
1.1. Introduction............................................................................................................................................2
1.2. Definition...............................................................................................................................................2
2. SCOPE...................................................................................................................................................2
3. EQUIPMENT & TOOLS......................................................................................................................3
4. WORK EXECUTION.........................................................................Error! Bookmark not defined.
4.1. Pilling Jack-in Pile With Hydraulic Static Pile Driver (HSPD)..........Error! Bookmark not defined.
4.2. Excavation Soil....................................................................................Error! Bookmark not defined.
4.3. Lean concreate.....................................................................................Error! Bookmark not defined.
4.4. Installation Rebar.................................................................................Error! Bookmark not defined.
4.5. Formwork.............................................................................................Error! Bookmark not defined.
4.6. Pouring Concreate................................................................................Error! Bookmark not defined.
4.7. Stone Masonry.....................................................................................Error! Bookmark not defined.
4.8. Slooft....................................................................................................Error! Bookmark not defined.
4.9. Installation Wall...................................................................................Error! Bookmark not defined.
4.10. Wall Plester..........................................................................................Error! Bookmark not defined.
4.11. Painting................................................................................................Error! Bookmark not defined.
5. SAFETY PRECAUTION......................................................................................................................5

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1. GENERAL

1.1. Introduction
This Standard Operational Procedure is to describe the outline construction methods for
preparation and installation of pipe erection works. This document are prepared with attention to
detail so that the result are meet the standard specification requested.

1.2. Definition
Project No. PO 61883
Site Location Jl. Afrika No.2, Cilegon Banten 42443
CLIENT PT. KRAKATAU POSCO
CONTRACTOR PT. MATRA ENGINEERING & CONSTRUCTION
HIRA Hazard Identification Risk Assessment
PTW Permite to Work

Approval Action of officially agreeing to PC Deliverables or accepting them as

satisfactory

Review Formal assessment or examination of EPC Deliverables with the

possibility or intention of instituting change if necessary

2. SCOPE
This document describe the method and procedure for piping erection and installation, such
at PT. Krakatau Posco Coke GTP area.

3. WORKS SUPERVISION

3.1 Site Manager : Responsible for overall execution and administration of the project as per
contract requirements, specifications and Quality Plan. Directly control the Project Control
and Project Coordinator.

3.2 Project Coordinator : Overview & regulate required resource, progress, & QC plan by
engineer, & ensure it executed properly and according to plan. Monitor availability of all
resources as per schedule. Directly control foreman, supervisor, project control, site engineer,
project admin.

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3.3 Supervisor : Plan and obtain required manpower and resources in coordination with the
Site Engineer & Foreman. Carry out all activities as per the planned schedule to achieve target
dates. Coordinate with respective disciplines of work and liaise with the site engineer &
project control for day to day activities.

3.4 Site Engineer : Assess manpower, equipment or other resources required to ensure timely
completion of the project. Monitor availability of all materials as per schedule. Carry out QC
inspection complying with standard and ITP. Ensuring project are executed complying with
latest engineering drawing.

3.5 Safety Officer : Responsible for monitoring and implementation of safety related matters
such as work permits, First Aid, PPE, approval of diversions, follow the safety and traffic
regulations by all the workmen during the construction, according to the approved project
HSE plan. First Aid boxes are readily available with HSE officer and other two numbers at
site personnel’s vehicles for site requirements

4. EQUIPMENT & TOOLS

a) Crane;
b) Angle Grinder;
c) Hand Tools & Wrench;
d) Set Scaffolding;
e) Welding Set;
f) Argon Gas;
g) Liquid Petroleum Gas.

5. WORK EXECUTION

5.1 Method

Contractor will submit shop drawing and works will start upon acceptance from owner. From
the approved shop drawings the the weight of standard length and cut to length bars & sheet are
taken into account. From this take-off, the pre-fab order can be placed.
5.1.1. Fabrication shall comply to approved shop drawing, and any welding works will be
executed by certified and tested welder.
5.1.2. Fabricated material will be stored in a neat and tidy manner and according to contract
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documents to make it possible to keep track of the specific delivery from the factory.
5.1.3. Fabricated materials shall coated comply with owner specification.
5.1.4. Setting out installation area will be reviewed and shall not continue before approval
from client.
5.1.5. Soil excavation are executed by hand if possible, if not, it shall executed by verified
excavator.
5.1.6. Installation and assembly will comply to shop drawing and inspected together with
owner
5.1.7. Upon installation, steel shall recoated and applied top coat
The main works will include activities such as cutting, welding, and touch up surface
coating.
All works will only commence upon acceptance and/or approval of material and tools from
foreman and/or supervisor and/or engineer.
Safety precautions are to be adhered by ensuring that, all plan are executed by authorized
workers. All workers in will be provided with safety gears including dustmasks, hand gloves,
welding mask, helmets, glasses, and others as applicable.

5.2 Description Operations

Activity Detail Equipment Labor
  1 QC
Material Upon arrival all material will be thoroughly checked by
Spool supervisor and/or engineer and asking approval from owner   1 Helper
Inspection complying to purchase specification as requested by owner
   
Upon approval, existing area shall be measured & trial for fit- 1 set Scaffolding 1 Foreman
Measurement up. If complying to drawing its not fit, contractor shall ask for
1 Welding Set 3 Helper
& Fit up owner decision or revise as built drawing. If its comply to
drawing, spool shall be tack welded for fitting up   5 Skill
2 Welding set 1 Foreman
Complying with design, structural team shall weld spool &
Welding support frame with certified and comply to drawing joint   2 Welder
welding procedure specification.
   
After Welded, the surface of steel shall cleaned properly 3 Angle Grinder 1 Foreman
Surface
according to specification requested by owner (sand blast/
Preparation & 3 Helper
brush grind) & coated with anti rust primer to prevent
Touch Up
corrosion   5 Skill

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1 Mobile Crane 1 Supervisor
Installation of Heat Exchanger shall follow the procedure 1 Set Lifting Gear 1 Crane OP
HE
lifting plan prepared before hand by engineer contractor and
installation    2 Helper
approved by owner.
   
Pipe that’s about to be lifted to height more than 1.5m, shall Apropriate
use scaffolding as a support. Worker above shall use body number of
Scaffolding
Piping harness properly & certified in work at height. Use rope to tie worker with
Manual lifting
Erection the pipe and draw them upwards. Worker above and below work at
gear
must work in coordination and communicate while carrying height
the pipe. certification

6. SAFETY PRECAUTION
Safety will be the first consideration and the highest priority. The Concrete work process
will follow safety viewpoints, following :
6.1 Make sure the necessary document prior to work is being approved by autorized
personnel;

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6.2 Ensure the risk of work to be performed, prior to start have been assessed and the
countermeasures have been determined. Make sure HIRA are cascaded to the workers and
clearly understood before working starts;
6.3 Make sure “Tool Box Meeting” in working place is conducted before starting work;
6.4 Ensure all workers are wearing proper PPE during taking responsibility;
6.5 Make sure all tools and equipment are checked prior to use and regular checking shall be
done;
6.6 Safety sign and hard barricade should be placed surrounding the location and as per
directed by PTKP representative. Clear and safety for access go to pouring concrete
area;
6.7 The casting concrete which using crane and bucket shall be submitted the lifting plan and
work at height certificate before start the activity (if needed);
6.8 The site survey process should not be done inside barricade area;
6.9 Proper lighting must be prepared for work at night;
6.10All vehicles and equipment that will exit the work area or project must be cleaned first.
6.11Multi-gas detector usage prior to work.

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