PULL-OFF TEST REPORT PROJECT : PUB’S “PEDESTRIAN BRIDGE FROM SUNGEI DATE OF ATTACHMENT : 17 Dec 2009 SERANGOON TO LORONG HALUS WETLANDS”. (PULL-OFF STUBS/DOLLIES) OWNER’ S CONS ULTANT : CPG CONSULTANTS PTE LTD. DURATION OF LAST COAT : > 14 days MAIN CONTRACTOR : WAN SHENG HAO CONSTRUCTION PTE LTD. (DRY TIME) APPLICATOR : EASTERN BLASTING & COATING PTE LTD. DATE OF TEST : 18 Dec 2009 TYPE OF ADHES IVE US ED : ARALDITE 2-PACK EPOXY GLUE. Location / Areas DFT (µm) Pull-off Strengt h Type of Failure Remarks Stub/Dolly # 1 399 9.0 MPa 100% glue failure. Galvanized pipes 24” Ø x 12-m Length abraded before painting Stub/Dolly # 2 408 9.5 MPa 100% glue failure. with the following 2-coat paint system:- Stub/Dolly # 3 424 6.0 MPa 100% glue failure. 1 st coat SigmaCover 200 Primer (Grey) at 150 microns. 2 nd coat SigmaDur 550 Finishing Topcoat (RAL 7030) at 50 microns. The pull-off test and dry film thickness test were carried out with “Elcometer H.A.T.E. 108” in accordance with ASTM 4541 and “Elcometer 456” respectively. Both tests were conducted at the same spot. Test Conducted by: Witnessed by: Lam Pin Min 1) CPG Consultants’ Representative, Technical Service Representative 2) Main Contractor’s Representative and, Protective Coatings 3) Applicator’s Representative. PPG Coatings (Singapore) Pte Ltd.

PPG - Pull-Off Test Report for PUB Project

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PULL-OFF TEST REPORT

PROJECT : PUB’S “PEDESTRIAN BRIDGE FROM SUNGEI DATE OF ATTACHMENT : 17 Dec 2009SERANGOON TO LORONG HALUS WETLANDS”. (PULL-OFF STUBS/DOLLIES)

OWNER’S CONSULTANT : CPG CONSULTANTS PTE LTD. DURATION OF LAST COAT : > 14 days

MAIN CONTRACTOR : WAN SHENG HAO CONSTRUCTION PTE LTD. (DRY TIME)

APPLICATOR : EASTERN BLASTING & COATING PTE LTD. DATE OF TEST : 18 Dec 2009TYPE OF ADHESIVE USED : ARALDITE 2-PACK EPOXY GLUE.

Location / Areas DFT(µm)

Pull-off Strengt

Type of Failure Remarks

Stub/Dolly # 1 399 9.0 MPa 100% glue failure.Galvanized pipes 24” Ø x 12-mLength abraded before painting

Stub/Dolly # 2 408 9.5 MPa 100% glue failure.with the following 2-coat paintsystem:-

Stub/Dolly # 3 424 6.0 MPa 100% glue failure.1st coat SigmaCover 200 Primer(Grey) at 150 microns.

2nd coat SigmaDur 550 Finishing Topcoat (RAL 7030) at 50 microns.

The pull-off test and dry film thickness test were carried out with “Elcometer H.A.T.E. 108” in accordance with ASTM 4541 and “Elcometer456” respectively. Both tests were conducted at the same spot.

Test Conducted by: Witnessed by:Lam Pin Min 1) CPG Consultants’ Representative, Technical Service Representative 2) Main Contractor’s Representative and,Protective Coatings 3) Applicator’s Representative.PPG Coatings (Singapore) Pte Ltd.