Inspection Test Plan of Earth work

CÔNG TY CỔ PHẦN XÂY LẮP THƯƠNG MẠI 2

ACS/FORM/02/01

Architects & Construction Service Corporation

ITP

INSPECTION & TESTING PLAN
Project:
Quality Control for:
Ref:
Issued Date:

SMC MANUFACTURING (VIETNAM) FACTORY - PHASE 1
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.

1

Point to checked

How to measure

Action plan for
Defective Work

Record
SC

KOA VN

KDA/TV
SMC
N

SE

QA-QC

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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
4

References

Material Acceptance

2,1 Material approval

3

Quality Requirements

Method Statement, Shop Dwg Approval

1,1 Method Statement, Shop Dwg Approval
2

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


5

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
6,1
6,2
6,3
6,4
6,5
6,6
7
7,1
8
8,1

Visual, Measuring Tape

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Lean concreting Inspection Request

Adjustment

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Back filling Inspection Request

Stop doing

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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