Balfour Beatty Sakti Indonesia World Trade Centre 3, Jakarta _________________________________________________________________________________________________________________________________________________________________________________ 1 – NSC Issue to BBSI the applicable services drawing that has been coordinated and checked with; a)Latest revision of civil & architectural layouts; b)Services Size c)Equipment Size d)Accessibility 2 – BBSI MVAC or Elec Eng check the drawing for compliance with points a - d of box 1. Individual Services Drawing Process 4- Drawing suitable for issue to JKL & for integration into Combined services drawing ? 5. BBSI return comments to NSC (workshop if required) 5- Drawing Issued to Jakarta Land for approval 7a. BBSI issue back to NSC 5a- BBSI input into CSD drawing. Incorporating any notes Yes No Yes 6 Approved by JKL 7b. BBSI incorporate any applicable points into CSD 3- BBSI Civil & Arch internal approval

Balfour Beatty Sakti Indonesia World Trade Centre 3, Jakarta _________________________________________________________________________________________________________________________________________________________________________________ 1 – NSC Issue to BBSI the applicable services drawing that has been coordinated and checked with; a)Latest revision of civil & architectural layouts; b)Services Size c)Equipment Size d)Accessibility 2 – BBSI MECH or Elec Eng check the SD drawing for compliance with points a - d of box 1. Combined Services Drawing Process 3- BBSI commence with co-ordination & CSD production 6. Required openings & penetrations checked against Structural & Architectural layouts for CBWD requirements 2a – BBSI ensure current Structural & Architectural layouts are used. 4. Is ISD Drawing Approved 7- Raise notification to JKL if structural changes are required No Yes 5b. BBSI incorporate any applicable points into CSD & commence CBWD 5a. BBSI continue to compile the CSD & CBWD 8- Complete any CSD or CBWD changes to allow installation 9- Issue to JKL 10a If approved Issue to NSC 10a If rejected – workshop if required with JKL, Beca & NSC

Balfour Beatty Sakti Indonesia World Trade Centre 3, Jakarta _________________________________________________________________________________________________________________________________________________________________________________ 1 - JKL Issue For Construction Structural, Architectural & MEP Drawings, inclusive of spatial coordination, compliance with the project design performance and Employers requirements. From this Info BBSI provide approved For Con Structural & Architectural Plans that form the basis of the CBWD Drawings 2 a. --BBSI receive the required opening / sleeve info from S/C. 2 b. BBSI prepare the opening / sleeve drawing and issue to the S/C’s for sign off. Combined Builders Work Drawing Process (Early Works) 3- BBSI receive S/C sign off that the drawing is compatible with their respective installations 5- JKL receive the Architectural, Structural & MEP Engineers comments 5.1- Drawing Returned With Not Approved (Revise & Resubmit or Rejected) 7- BBSI issue drawing to S/C’s & civil team for installation BBSI incorporate comments (workshop if required) and resubmit 4 - BBSI issue to JKL 6- BBSI Drawing approved for construction by JKL Approved YES NO

Balfour Beatty Sakti Indonesia World Trade Centre 3, Jakarta _________________________________________________________________________________________________________________________________________________________________________________ 1 – In tandem with the MEP CSD drawing the required CBWD commences. 2. BBSI MEP Eng Dept. confirm latest Civil, Architectural & any applicable RFI / SI’s are incorporated in the base layout.. Combined Builders Work Drawing Process Rev If the required MEP openings / provisions are contrary to the allowances provided within the structure call for workshop. 8,- Submit to JKL for approval 4. Using the approved CSD detail all openings & provide clear sections. 6 – Upon completion final approval by BBSI Civil & Architect Team 10a - BBSI issue for Construction 5- Add applicable notes and details of any special civil requirements NO 7 –Workshop & Approval by relevant NSC’s YES 9, Drawings Approved 10b - BBSI incorporate comments

Balfour Beatty Sakti Indonesia World Trade Centre 3, Jakarta _________________________________________________________________________________________________________________________________________________________________________________ 1 – BBSI approved & signed drawing, issued to S/C & used on site, along with any applicable notes for inspection & installation. 2a – Arsimekon / Shinryo / BMP fabricate & fit any sleeves. Void and Sleeve Sign off Procedure 3- S/C QC confirm that openings & sleeves are correct and the standard notes (slide 2) are complied with and call for inspection with BBSI & Trimatra QC 2b – BBSI Form void openings using (1) * Final check that drawing is aligned with the steelwork, structural & architectural drawings MEP Works Handed Over Ready for Concrete 4 - S/C and BBSI QC sign off with Trimatra once all works verified as compliant. Note – From Step 4 if Trimatra have any comment, this shall be rectified by the S/C or BBSI (If opening) & then re-inspected by Trimatra, who once are satisfied shall sign off.

Balfour Beatty Sakti Indonesia World Trade Centre 3, Jakarta _________________________________________________________________________________________________________________________________________________________________________________ 1 – NSC Individual Drawing approved (& CSD if applicable) 2 – NSC Approved Method Statement & Risk Assessment in Place. Individual Services QC Sign off 7- NSC QC Team carry out inspection 10b. NSC add signed RFIT to As Built Drawings 4- Materials received on Site & MOS Inspection completed & signed by Trimatra 6- Complete Installation works 5- Working permit & JSA in place by NSC & approved by BBSI 6 NSC Provide 3 – Week Look ahead of Inspections 8. If approved, NSC request BBSI & Trimatra to Inspect – 3 Days notice. 3- Required Material Approval in place, with any applicable notes addressed 9, Inspection (Approved) YESNO 10a-. BBSI MEP QC advise Civil QC Team 10c-. NSC rectify defects

Balfour Beatty Sakti Indonesia World Trade Centre 3, Jakarta _________________________________________________________________________________________________________________________________________________________________________________ Quality Meeting – File Note Thursday, August 06, :30 am Agenda 1.NSC Quality Plans a)BBSI requested that Project Quality Plans are reissued to reflect the actual requirements of the site. The current plans were generic and do not reflect the procedures of the site. b)All NSC Quality plans to be complete with Sample Forms that will be used for material Inspection & work inspection etc. 2.Sign Off Procedures a)All agreed as per the attached Flow Chart 3.Interface with BBSI Civil & MEP QA / QC Teams a)All agreed as per the attached Flow Chart 4.Material On Site; a)All material brought to site must be; i.Approved with the Material submittal & sample (If required) ii.Materials on Site inspected with an MOS Inspection prior being taken to the area of installation 4.Completion of Works Prior to Civil Activities a)All agreed as per the attached Flow Chart