Quy trình quản lý chất lượng tiếng anh vicem management and transaction building

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VICEM MANAGEMENT AND TRANSACTION BUILDING
TABLE OF CONTENTS
A. PROJECT OVERVIEW................................................................................................................2
B. EXECUTION SECTION OF CONSTRUCTION.........................................................................2
1. Doors, windowns, glass aluminium walls.................................................................................2
C. IMPORTANT NOTES AND DEFINITIONS...............................................................................2
I. Quality control ( QC )................................................................................................................2
II. Quality assurance (QA).............................................................................................................3
D. DETAILED PROCESS OF QUALITY CONTROL....................................................................3
I. Input material control................................................................................................................3
II. Input material inspectation........................................................................................................3
2.1 Glass....................................................................................................................................3
2.2 Aluminium...........................................................................................................................4
2.3 Sticking Glue.......................................................................................................................4
2.4 Mattress and block of mattress...........................................................................................5
2.5 Complex steel......................................................................................................................5
2.6 Embed..................................................................................................................................5
III. Inspectation and maintainance materials................................................................................5
3.1 Glass transportation ( location: factory ).............................................................................5
3.2 Transportation of Sticky glue ( Location: factory)..............................................................6
3.3 Transportation of Gasket and rubber mattress ( Location: factory)....................................6
3.4 Transportation of aluminium bar and panel........................................................................6
3.5 Transportation of mattress bar.............................................................................................7
3.6 Transportation of heatproof and fireproof bar.....................................................................7
3.7 Transportation of glue, glass...............................................................................................7
3.8 Transportation of complex steel..........................................................................................8
3.9 Transportation of embed.....................................................................................................8
IV. Materials are not accepted.....................................................................................................13
V. Execition..................................................................................................................................13
5.1 Aluminium frame..............................................................................................................14
5.1.1 Processing..................................................................................................................14
5.1.2 Checking allowable error...........................................................................................14
5.1.3 Aluminium frame installation....................................................................................15
5.1.4 Checking of frame installation...................................................................................15
5.2 Glass installation...............................................................................................................15
5.2.1 Preparation for installation of glass and gaskets........................................................15
5.2.2 Cleaning and installing glasses..................................................................................16
5.2.3 Glass inspectation......................................................................................................16
5.2.4 Work related to structural glue...................................................................................16
5.3 Aluminium/installation allowable error............................................................................17
VI. Supervision and inspectation................................................................................................17
6.1 Absorption checking..........................................................................................................17
6.2 Inspetation method for air penetration..............................................................................18
6.3 Final supervision and acceptance......................................................................................18
VII. Quality assurance and Quality control..................................................................................18
VIII. Plan for control on site......................................................................................................18
IX. Inspectation and acceptance of section.................................................................................19
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VICEM MANAGEMENT AND TRANSACTION BUILDING
A. PROJECT OVERVIEW
The project Vicem Management and Transaction Building at land plot 10E6_ Cau Giay new
urban area_Cau giay district, Ha noi city, conducted by employer Vietnam Cement Industry
Corporatin. The construction has 31 over ground floors and with the height of 139.6m, and total area
around 8450m2, construction area 2800m2 and total floor area 81060m2.
The main purpose of quality control schedule is providing personnel procedures, processing,
installation, maintainance, which shall be executed in the contract. To insure progress rate, material
quality to meet employer’s requirements, all factories and facilities, equipment are used and
maintained by professional and qualified engineers, technician. Regarding to new updated
equipment, machine, we have support from overseas specialists, manufarer’s technical staffs to
operate smoothly and efficienctly
We shall carry out period quality examination to insure that the installation of aluminium system
follows design, execution is conducted effectively. Besides, correct system installation shall support
the whole Phi kha’s system which helps employer have a exactly understanding about certain and
unavoidable in the area.
B. EXECUTION SECTION OF CONSTRUCTION
The work shall be divided into 5 sections:
1. Doors, windowns, glass aluminium walls
2. Stone walls
C. IMPORTANT NOTES AND DEFINITIONS
Quality control staff have examined the design drawign, specification of project and checked all
detail notes. They have already known the list of section needed for inspectation
I. Quality control ( QC )
All procedures and solutions shall be conducted carefully and efficiently to obtain and maintain
quality of each work section, so regular inspectation for those procedures, solutions, specifications is
needed to make employer satisfied with the work quality.
The main tasks are seeking, forecasting to eliminate causes which can lead to negative effect on
work quality, so quality criteria must be strictly applied at the start until completion time.
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II. Quality assurance (QA)
Quality assurance is preventation from quality control problems by means. The efforts of quality
control is determined and directed by planned goals based on strick requirements for system
execution
This is related to procedure evaluation and checking ability to gain high quality outcome,
including documents approving that quality is good.
D. DETAILED PROCESS OF QUALITY CONTROL
I. Input material control
I.1 At processing factory
All materials which are used for glass wall and cladding system shall be recorded into receiving
minutes. Transportation of materials such as aluminium, glue, glass, mattress, structure glue, sticky
plasstic, machine and other equipment to fatory shall be inspected. Inspectation shall be conducted
anytime for all materials, and reports shall be made based on requests. Quality control engineers
shall record all materials which have different specification from requirements, design drawing of
construction, also report and classify into 2 categories: accepted and unaccepted materials
I.2 At the Site
Department of execution installation of glass wall shall transport aluminium glass frame, other
needed materials to site, the requirement and acceptance of input materials must be carried out
before stranporting those materials to sit
When materials are collected on site, all shall be inspected before installation. Regarding to
damaged sections, they shall be elimilated and refunded to factory for repairing and altering. Some
minor faults in allowance scope shall be accepted.
II. Input material inspectation
2.1 Glass
- Glass shall be produced by factory located in Europe, installation work shall be carried out at
Phi Kha’s factory. All glass shall be stored in wood box with protected glue layer, transported
gently.
- During transportation, glass shall be marked axit to differentiate Heat Strenghthen from
Tempereed glass
- All glasses shall be inspected as following steps:
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 Scratches or faults which can be easily seen
 Chips or other faults
 Assure that all angles are well covered ( vacuum glass)
 Signal to differentiate glass catergories
 Glass thickness
 Glass size and area
 Distortion of surface due to processing
 The position for marking should be bottom corner to read easily
 Glass egde
2.2 Aluminium
Aluminium materials such as horizontal, vertical frame, other sections when transported to site,
they shall be separated with a piece of wood to prevent from being scratches, damages, also cover by
plastic to protect during transportation.
The aluminium surface shall be painted with electrostatic layer PVDF technique or Powder
coasting. All those aluminium bars shall be inspected as:
 Straight
 Chip
 Surface scratches
 All surfaces are painted
 Faults on surfaces can be seen and not accepted
 Horizontal and vertical bars or scractches
 Inspect the thickness of paint
2.3 Sticking Glue
There are 3 types of glue shall be used: DOW CORNING 791 Silicone Weatherproofing, DOW
CORNING 795 Structural Silicone Buiding và DOW CORNING 983 Structural Silicone Buiding.
Those shall be inspected specification, stored in cold room with temperature under 25 oC. The using
date shall be shown on package, sent glue shall be in usable time limitation at least 4months since
expire date
All Silicone shall be checked and recorded as following steps:
 Manufacturing date is not over due expire date
 Besides storing all glue into cool room, they shall be store according to manufacturers
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 Determination of completing QC daily and other documents as proofs
2.4 Mattress and block of mattress
Those shall be inspected as the following steps:
 Kind of required mental and materials
 Ex-work certificate.
2.5 Complex steel
Complex steel shall be inspected as the following steps:
 Complete, paint or zinc steep as requireemnt
 Processing
 Ex- work certificate and necessary transportation
2.6 Embed
This shall be inspected as the following steps:
 Processing
 Completed painting (or steep into hot zinc)
 Ex- work certificate and necessary transportation
 Detail inspectation
III. Inspectation and maintainance materials
3.1 Glass transportation ( location: factory )
Category Equipment Reference Frequency Documents
During
Size Meter PKQ-101-G DDR
transportation
During
Area Meter PKQ-101-G DDR
transportation
During
Edge faults Visible PKQ-101-G DDR
transportation
During
Thicknes Copa/Meter PKQ-101-G DDR
transportation
During
Defects Visible PKQ-101-G transportation DDR
During
Including Visible PKQ-101-G transportation DDR
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During
Scratch Visible PKQ-101-G transportation DDR
During
Identification Visible PKQ-101-G transportation DDR
During
Maintainance Visible PKQ-101-G transportation DIR
3.2 Transportation of Sticky glue ( Location: factory)
Catogery Equipment Reference Frequency Document
Package Visible PKQ - 102-S During transportation DDR
Expire date Visible PKQ - 102-S During transportation DDR
Tube Visible PKQ - 102-S During transportation DDR
Reference Visible PKQ - 102-S During transportation DDR
Maintainance Visible PKQ - 102-S During transportation Inspectation report
3.3 Transportation of Gasket and rubber mattress ( Location: factory)
Catogery Equipment Reference Frequency Document
Quality of long
Visible PKQ-103-G During transportation DDR
bar
identification Visible PKQ-103-G During transportation DDR
Ex-work
Hardness PKQ-103-G During transportation DDR
certificate
Maintainance Inspectation PKQ-103-G During transportation DDR
3.4 Transportation of aluminium bar and panel
Catogery Equipment Reference Frequency Document
PKQ-104- During
Package Visible DDR
A transportation
PKQ-104- During
Painting Visible DDR
A transportation
PKQ-104- During
Quality Visible DDR
A transportation
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Scratches/ PKQ-104- During
Visible DDR
defects A transportation
PKQ-104- During
Identification Visible DDR
A transportation
PKQ-104- During
Maintainance Visible Inspectation report
A transportation
3.5 Transportation of mattress bar
Catogery Equipment Reference Frequency Document
P.O./Shop During
Size PKQ-105-F DDR
Drawings PO/ transportation
Bulong, Mating During
PKQ-105-F DDR
Mattress transportation
Inspectation During
Maintainance PKQ-105-F Inspectation report
department transportation
3.6 Transportation of heatproof and fireproof bar
Catogery Equipment Reference Frequency Document
During
Package Visible PKQ-106-IF DDR
transportation
Standard, During
Thickness PKQ-106-IF DDR
drawings transportation
Inspectation During
Maintainance PKQ-106-IF Inspectation report
department transportation
3.7 Transportation of glue, glass
Catogery Equipment Reference Frequency Document
P.O./Shop During
Size PKQ-107-GT DDR
Drawings PO/ transportation
P.O./Shop During
Cagegory PKQ-107-GT DDR
Drawings PO/ transportation
Visual During
Material defect PKQ-107-GT DDR
transportation
Inspectation During
Maintainance PKQ-107-GT Inspectation report
department transportation
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3.8 Transportation of complex steel
Catogery Equipment Reference Frequency Document
During
Thickness Meter PKQ-108-M DDR
transportation
During
Profile Drawing PKQ-108-M DDR
transportation
During
Completion Drawing PKQ-108-M DDR
transportation
During
Identification Drawing PKQ-108-M DDR
transportation
Inspectation During
Maintainance PKQ-108-M Inspectation report
department transportation
3.9 Transportation of embed
Catogery Equipment Reference Frequency Document
During
Size P.O/ standard PKQ-109-E DDR
transportation
During
Category P.O/ standard PKQ-109-E DDR
transportation
During
Defect P.O/ standard PKQ-109-E DDR
transportation
During
Maintainance P.O/ standard PKQ-109-E Inspectation report
transportation
Title : Glass stransportation
Reference : PKQ-101-G
Location : Factory
Classification Standard
Check width, height of glass panel
Size Consider the approved and signed list by Phi Kha. Error
+/- 2mm.
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Check Diogonal of glasses. Glass with rectangle or
Area square shape shall have the same Diogonal. Error +/-
2mm.
Check Edges of glass panel. Quality of Edge shall be in
Edge defects
standards
Comply with execution drawing approved by employer
Thickness
and consultant
Check glass from factory. Direction of wave must be
Defects
permanent and suitable to architectural design
Glass foam Visible foam in glass shall not be accepted
Check the surface scratches and those must be in
Scratchs
acceptable scope of architecture, consultant
Glass shall be marked during transportation to
Identification differentiate from Heat Strengthened và Fully Tempered
Glass. Each shall have signal for control and identifying
Glass should be stored and prevented from breaking,
Maintainance damaging due to humidity, direct sunlight and other
causes.
Glass shall not be damaged or dirty. The following defaults shall be accepted: foam, wave,
scratch, color change which are invisible with a distance of 3m or accepted by supervior
Title : Transportation of sticking glue
Reference : PKQ-102-S
Location : Factory
Classification Standard
Structural glue shall be at least longer than
Expire date
4months from expire date
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Package must be in orginal condition and
Packing condition
covered suitable
Date/ period of manufacturing must be readable
Production reference
without any movement
Tube Checking packing condition for damages
Glue shall be stored in dry, clean room,
Maintainance
temperature not over 25oC
Title : Transportation of Gasket and rubber mattress
Reference : PKQ-103-G
Location : Factory
Classification Standard
Quality
Avoid defects in pushing and pressing process.
Each mattress shall be marked to facilitate
Identification
installation and assemble
For transportation, it shall have Mill certificate to
Hardness clarify its hardness. Mattress should be covered
with silicone
Shall be put in clean, dry room to avoid distortion
Maintainance
or damages
Title : Transportation of aluminium bar and panel
Reference : PKQ-104-A
Location : Factory
Classification Standard
Package shall be checked for damages, defects
Package during transportation. Determine delivered good
whether or not meet the requirement in the lists
Completion painting Check the paint nature whether or not match up
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with color of design, paint layer thickness,
brightness of surface..
All delivered materials shall have equivalent
Identification
number for essily classifying and installing
Material shall be put in shelf and marked for
classification. Materials shall be stored in shelf
Maintainance
with mattress which has thickness of 1cm to
protect surface.
Title : Transportation of Mattress
Reference : PKQ-104-A
Location : Factory
Classification Standard
The delivered shall have size which fits to required
Completed size
size
Random inspectation can be carried out to check
Size of bulong, gasket
whether or not they fit into those of materials
Mattress bar shall be stored in room according to
Maintainance
size to facilate control and classification
Title : Transportation of heatproof and fireproof bar
Reference : PKQ-106-IF
Location : Factory
Classification Standard
Package shall be done carefully to protect during
Package transportation. No defect shall be accepted
Việc đóng gói phải cẩn thận để dễ dàng bảo
Should follow specification approved by
employer, consultant. It shall be assured that it is
Thickness
put in dry condition until being installed
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Avoid humidity. Wet equipment shall be not
Maintainance
accepted
Title : Transportation of Glue and gasket
Reference : PKQ-107-GT
Location : Factory
Classification Standard
Size shall be checked based on drawing and
Size and category specification and shall not accept any materials
which are not meet those requirements
Delivered materials shall be without damages
Defects caused by production/transportation. Reparing
work shall not be accepted
Stored in dry places, room temperature shall be
equivalent with manufacturing places. All
Maintainance
materials shall be categorized and managed easily
Title : Transportation of complex stee;
Reference : PKQ-108-M
Location : Factory
Classification Standard
Any materials which does not comply with
Slanting surface
drawing shall not be accepted
Completion and package shall comply with
Completion/ package
drawing of processing and execution
Each bar shall have particular signal to facilitate
Identification
control and management work for identification
Maintainance It shall be stored visibly
Title : Transportation of Embed
Reference : PKQ-109-E
Location : Factory
Classification Standard
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Size shall comply with execution drawing and
Size and classification
specification
Delivered materials shall be without damages
Defects caused by production/transportation. Reparing
work shall not be accepted
Maintainance All materials shall be easy for classifying
IV. Materials are not accepted
Method of management and maintainance for unaccepted materials as following:
- In case of discovering any difference among supplied materials, packages, They shall be
marked with an extra signals
- After completing attachment, NCR shall be finished and sent to factory director for quality
inspectation
- Leader of quality control department shall arrange meeting with design department,
production department and material control department to revise this difference and decide on:
repairing, keeping, eliminating, or refunding to producers.
- If materials are eliminated during processing, they shall be put under control of supervising
department and suppose as store of eliminated materials
- Quality control department shall check daily eliminated materials, and those materials shall
be sealed by supervisor, and no one shall be entitled to move those materials excluding
supervising staff
- NCR shall release reasonable explaination for eliminated materials. After completing NCR,
quality control department shall check quality and modify report, signing and issuing according
to approved lists
- Buyer shall agree to report to product control and quality control department. If materials are
refunded to producer, product control department shall prepare material lists of amendment.
V. Execition
Contractor shall process aluminium frame and alu cladding in accordance with specification and
design drawing and using only qualified personnel, modern equipment, machine. All must be
hemogenous and inspected by supervisor. All alu package shall be carefully protected to avoid any
damages during transportation to site
 General note:
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The main purposes are:
 Provide solution for installation, pumping glue, glass system
 Importance of pumping glue at the connecting corners
 Support performers to get used to work reasonable, scientific
V.1Aluminium frame
V.1.1 Processing
All aluminium shall be processed according to drawings. Cutting part shall be marked reasonalbe.
Before cutting, drilling, aluminium shall be covered by stick glue to avoid scratches. Basement table
shall be covered by rubber
V.1.2 Checking allowable error
a) In order to submit an allowable error which is not referred in drawings, it shall use only
one contractor for execution and installation.
b) Meter control, insure accuracy, not over 100cm of length. Meter shall have accuracy of
±0.5mm otherwise shall not be accepted
c) The following errors shall be allowable:
Work Error
Length of saw +0, -0.5mm
Size of cutting +0, -0.5mm
Area of panel cutting +/-1 deg
Size of hole +0, -0.5mm
Location of hole +0, -0.5mm
Mill cutting +0, -0.5mm
Size of curving +0, -0.5mm
angle +/-1 deg
Size of radius = metal thickness
Location of welding +0, -0.5mm
Location of Stud welding +0, -0.5mm
Degree of straight +/- 1.0 per 300mm
V.1.3 Aluminium frame installation
- Processing and classifying:
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 Half of vertical frame shall be Female
 Half of aluminium frame shall be male
 Half of under horizontal part
 Half of over horizontal part
 Glasses
- Arrange the above section in correct order. Cleaning surface of horizontal, vertical frame
and use glue at completed point before assembling verticle
- Starting at verticle frame, connect horizontal parts to it via screw. Before driving screws,
glue shall be put into holes to prevent water and air absorb. Assembling vertical and
horizontal bar by using screw. After completion of vertical and horizontal bar assembling,
use glue pump into crew.
V.1.4 Checking of frame installation
Door frame shall be put on specialized supporter or assemble table. All part which contain
glue shall be cleaned clearly by soft and dry fabric and check for visible defects
- Insure that amended steel frame shall be used when requested
- Check error for each part
- Check installation, insure accuracy
- Insure that all assistant bars shall be covered by glue
- Insure that all gaskets shall be put separately
- Insure that horizontal frame shall be installed with vertical one in correct direction
- Insure that glue shall be put only at top and bottom of bars
- Checking for scratch and damage on frames
- Record order of sections
V.2 Glass installation
All aluminium shall comply with following criteria before being installed:
V.2.1 Preparation for installation of glass and gaskets
- The size of frame shall be check before installation and shall change if needed. Checking
the cratch between vertical and horizontal bar, corners.
- Prepare glass as requirements for each type and clean surface by isopropyl (50%
wine/50% water).
V.2.2 Cleaning and installing glasses
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- Glass shall be cleaned and checked regularly and any defect on surface shall be repaired
when discorved. Glass shall be cleaned with washing water which is suggested by
manufacturers. Washing detergent shall be use for required parts with soft fabric. Water
shall be poured into fabric, do not steep faric into detergent bottle
- Cleaning up glass as requirement and ignore water absorb spongy.
- After putting glass into aluminium frame, glue shall be pumped into all crack between
glass and frame, make sure that glue at corrner is still wet until the last adjustment
V.2.3 Glass inspectation
After installation, the following section shall be checked:
- Make sure that glass surface is clear and no dirty
- Used glass has correct size, thickness
- Make sure that glass edge is not damaged and acceptatble
- Supporting bar shall be put correct location, and two supporting bar on one glass panel
- Make sure that error is in allowable scope
- Remove all marks on surface
V.2.4 Work related to structural glue
a) Surface preparation method
- Cleaning clearly outer between alu and glass
- Using detegant to increase sticky level
- Check location in which glue cannotbe pumped into for solution
b) Pumping structural glue
- Cleaning clearly all with alcohol, using 2 pieces of clear, soft fabric
- Cementing detergent shall be used before pumping glue
- Using Silicone no later than 1 hour since cleaning. Structural cementing detergent
shall be stored in a bag and then use manual or automatic glue gun, this process shall
be carried in well-light area to facilitate checking
- Make sure to meet producer’s requirement about cementing detergent such as
thickness, width
- When glue pumping work has finished, check again outer of alu frame and intersects.
- Dry cleaning for all equipment, machines when all installation work has been done.
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