CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI ACS/FORM/02/01 Architects & Construction Service Corporation ITP INSPECTION & TESTING PLAN Project: Quality Control for: Ref: Issued Date: SMC MANUFACTURING (VIETNAM) FACTORY - PHASE EARTH WORK SMC/ACS/ITP/00/EAW/01 31/07/2015 Prepared by Reviewed by Approved by Legend: Hold point Witness Surveillance Document review H W S R Checking & Inspection No Point to checked How to measure Action plan for Defective Work Record SC KOA VN KDA/TV SMC N SE QA-QC H H R R R H H R R R R R R R R H H R R R H H R R R H H S R R REMARK Before doing earth work Excavations deeper than 2m or closer to other structures than 5m Visual check Testing Prior backfilling Every ≤ 10.000m3 0r 01 lot/01sample Unsuitable Material: Consisting of highly organic clay or silt, including humus and topsoil; clay having a liquid limit exceeding 80an/or a plasticity index exceeding 55; Consisting of such clinkers, clinker ashes, fly ashes and domestic ashes Sand; free of organic matter and shall not contain more than 15% by weight of clay or silt Gravel, Crushed Stone; strong matrerial of approved quality containing 15% or less of soil Spec and sand by weight Not accept the Unsuitable material Material Inspection Request Preparation Works 3,1 Detect mines Approved Ministry of Defense Review Records of Mine Detection Check & Protect to Existing underground service (Power supply cable, Water supply 3,2 pipe, Drainage, Cable net work, Telephone cable,…) 3,3 Survey Setting Out Survey instruments Hand over & Take over Coordinate markers, level markers, Gridlines Survey Point & Temporary Benchmarks Survey the exsting ground level Marking for Location & Perimeter of area to be excavated 3,4 Tempory Facilities for Excavation Retaining Structure Dewatering system for working area & Distance from Visual dewatering trench to egde of excavation pit Temporary access/egress to excavations Approved dumping yard References Material Acceptance 2,1 Material approval Quality Requirements Method Statement, Shop Dwg Approval 1,1 Method Statement, Shop Dwg Approval How often Visual Before doing earth work Benchmarks Handover As per Design Drawing, Benchmarks Handover Document, Docs Possession of Site Plan Benchmarks Handover Docs Design Dwg Posseeeion of Sife Plan Pre-Excavation Inspection Request Design Dwg Before doing earth work As per approval MS Stable Before doing earth work Approval Safe Method Statement Providing Permit Stop doing Safty Officer check Excavation to Formation Level 4,1 Location of trench 4,2 Elevation of excavated area As per Design Dwg, Toerances: ±50.0 mm Survey instruments All 4,3 Demension Following to Approval Design Dwg, Tolerances: 50mm/ ±15mm (for foundation) Design Dwg Following to Approval Design Dwg, Tolerances: 50mm 4,4 Fianal Layer At least the last 50mm of soil above the formation is to be excavated by hand Top edges of cutting: neatly rounded off Protect all slope: formed slopes, from soil erosion or softening due to rain or surface water, Tolerances: ±0.150m measured perpendicular to the slope surface Adjustment Spec 4,5 Stopes Visual Survey instruments During excavation 4,6 Soil disposal Visual check Visual Survey instruments During excavation As approved dumping area Dumping permit Providing Prior of final excavation Fill the excavation to the required level with Lean concrete Spec Adjustment 4,7 Over-Excavation SMC-ACSC-ITP-00-EAW-00 Earth Work 1/1 Excavation Inspecion Request Shop Dwg Method Statement ACS- FORM- 02- 01 Pile Heads Cut Off 5,1 Line Marking for Cutting Pile Heads 5,2 Cut-off method Visual check Visual check 5,3 Cut-off Elevation 5,4 Thickness of concrete cover left 5,5 Horizontally cut line Survey instruments 5,6 Before cuting All As required level , ±5mm Not affect adjacent piles Shop Dwg Method of Statement Survey instruments Follow to Pilling Design document, ±5.0mmm Pilling Dwg Measuring Tape 2.0mm-3.0mm Method of Statement Not accept the thicker thickness left Pilling Dwg Notice to Designer Repair broken egde/over chip with approved material After cutting Round Steel plate & rebar Intallation-Plug 5,8 concrete grouting 5,9 Debris Disposal 6,1 6,2 6,3 6,4 6,5 6,6 7,1 8,1 Visual, Measuring Tape H H S R R H R R R R H H S R R Lean concreting Inspection Request Adjustment H H R R R Back filling Inspection Request Stop doing H H R R R Re-Back filling Inspection Request Pile Cut Inspection Request As per PillingDesign documents As per Shop Dwg Accetance of Rebar work 5,7 Pile rebar exposal for connection to pile cap Adjustment Pilling Dwg Rebar checklist Record Adjustment As per Shop Dwg, Spec Visual check As speciffied in contract Contract Lean Concrete Line marking for lean concrete area Approved Mix Design & Mixing Radio Level peg installation Lean Concrete Casting & Curing Dimension Surface finish Tape Visual, Review Visual, Control Visual, Measuring Tape Visual All > -10.0mm At completion As per Method of Statement As per Shop Dwg ±5.0 mm for level, ±10.0mm for dimension Curing for at least 24 hours prior to next steps Method Statement Dwg Random As per Spec Spec Before back filling Ensure all the underground structure are inspected, accepted and protected Check list Records built survey report Shop Adjusting Compacted Soil Comapacted to all excavated area with vibrator Visual (CBR/SPT test if roller etc required) Pre-Back Filling - Preparation work Underground structure finised & as built survey report for inspection 8,2 Underground M&E Items finished & inspected Marking with paint th thickness of bacfilling 8,3 layers onto underground structure shaft (300 mm per layer) Protection for underground structure, water 8,4 proofing membrane during compaction Removal of rubbish, Tree Roots, debris, big 8,5 stone…out of Pit to be backfilled SMC-ACSC-ITP-00-EAW-00 Earth Work Document Review, Visual check, Measuring tape All As No rubbish & any different sizes of soil blocks, big stones remained… 2/2 ACS- FORM- 02- 01