TBF CD ARC SPE 180210 architecture specs

Project: The Ocean Resort Reception Building Precast Concrete THE OCEAN RESORT RECEPTION BUILDING Truong Sa Street, Hoa Hai Ward, Ngu Hanh Son District, Danang City, Vietnam ARCHITECTU

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TECHNICAL SPECIFICATIONS

OF ARCHITECTURAL WORKS

THE OCEAN RESORT RECEPTION BUILDING

DA NANG, VIETNAM

FOR

VINACAPITAL DANANG RESORT LTD

2018

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TABLE OF CONTENTS DIVISION 1 GENERAL REQUIREMENTS

DIVISION 3 CONCRETE

DIVISION 4 MASONRY

DIVISION 5 METALS

DIVISION 6 WOOD AND PLASTICS

DIVISION 7 THERMAL AND MOISTURE PROTECTION

DIVISION 8 DOOR AND WINDOW

DIVISION 9 FINISHES

DIVISION 10 SPECIALTIES

DIVISION 12 FURNISHING

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DIVISION 1 GENERAL REQUIREMENTS

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Technical Specification Division 1 General Requirements

General : Basic contract definitions are included in the Conditions of the Contract

“Owner”, “Employer” : The owner of this construction project who signs the contract and has the

authority as indicated in the contract

“Construction Manager” : The person who is authorized to act on behalf of the project owner in supervising the

construction

City, Vietnam Tel 028-3519 0091

“Contractor” : The juristic person who signs to enter into a contract with the project owner

It includes his representatives and his workers

“Works” : All works specified in the drawings, specifications and other documents related to the

contract

“Drawings” : All drawings which are used for construction including those that show modifications,

corrections and additions of design with the approval of the Architect

“Specifications” : All statements and all details which specify and control the quality of materials,

equipment, techniques and all agreements related with the contract which appear or do not appear in the contract documents

“Indicated” : The term “indicated” refers to graphic representations, notes, or schedules on the

Drawings; or to other paragraphs or schedules in the Specifications and similar requirements in the Contract Documents Terms such as “shown”, “noted”,

“scheduled”, and “specified” are used to help the user locate the reference Location is not limited

“Furnish” : The term “furnish” means to supply and deliver to the Project site, ready for unloading,

unpacking, assembly, installation, and similar operations

“Install” : The term “install” describes operations at the Project site including the actual

unloading, temporary storage, unpacking, assembling, erecting, placing, anchoring, applying, working to dimension, finishing, curing, protecting, cleaning, and similar operations

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“Provide” : The term “provide” means to furnish and install, complete and ready for the intended

use

“Installer” : An installer is the Contractor or another entity engaged by the Contractor, either as an

employee, subcontractor, or contractor of lower tier, to perform a particular construction activity, including installation, erection, application, or similar operations Installers are required to be experienced in the operations they are engaged to perform

“Testing Agencies” : A testing agency is an independent entity engaged to perform specific inspections or

tests, either at the Project site or elsewhere, and to report on and, if required, to interpret results of those inspections or tests

“Project site” : Project site is the space available to the Contractor for performing construction

activities, either exclusively or in conjunction with others performing other work as part

of the Project The extent of the Project site is shown on the Drawings and may or may not be identical with the description of the land on which the Project is to be built

3 STANDARDS

3.1 Applicability of Standards : Unless the Contract Documents include more stringent requirements, applicable construction industry standards have the same force and effect as if bound or copied directly into the Contract Documents to the extent referenced Such standards are made a part of the Contract Documents by reference 3.2 Conflicting Requirements : Where compliance with two or more standards is specified and the standards establish different or conflicting requirements for minimum quantities or quality levels, comply with the most stringent requirement

3.3 Copies of Standards : Each entity engaged in construction on the Project must be familiar with industry standards applicable to its construction activity Copies of applicable are not bound with the Contract Documents Where copies of standards are needed to perform a required construction activity, the Contractor shall obtain copies directly from the publication source and make them available on request

3.4 Abbreviations and Names : Trade association names and titles of general standards are frequently abbreviated The following abbreviations and acronyms, as referenced in the Contract Documents, mean the associated names Names are subject to change and are believed, but are not assured, to be accurate and up- to-date as of the date of the Contract Documents

AAMA American Architectural Manufacturers Association AASHTO American Association of State Highway and Transportation Officials ACI American Concrete Institute

AISC American Institute of Steel Construction ANSI American National Standards Institute

ASTM American Society for Testing and Materials

DIN Deutsche Industries Normal

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EIT The Engineering Institute of Thailand FGMA Flat Glass Marketing Association JIS Japanese Industrial Standard NAAMM National Association of Architectural Metal Manufacturers NFPA National Fire Protection Association

SIGMA Sealed Insulating Glass Manufacturers Association SSPC Steel Structures Painting Council

TIS Thai Industrial Standards Institute

UL Underwriters Laboratories Inc

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2 DEFINITIONS

2.1 Coordination Drawings show the relationship and integration of different construction elements that require careful coordination during fabrication or installation to fit in the space provided or to function as intended Preparation of Coordination Drawings is specified in Section “Coordination” and may include components previously shown in detail on Shop Drawings or Product Data

2.2 Field samples are full-size physical examples erected on-site to illustrate finishes, coatings, or finish materials Field samples are used to establish the standard by which the Work will be judged

2.3 Mockups are full-size assemblies for review of construction, coordination, testing, or operation; they are not Samples

Identification of products and materials included by sheet detail number

Compliance with specified standards

Notation of coordination requirements

Notation of dimensions established by field measurement

Do not use Shop Drawings without an appropriate final stamp indicating action taken

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5.1 Collect Product Data into a single submittal for each element of construction or system Product Data includes printed information, such as manufacturer’s installation instructions, catalog cuts, standard color charts, roughing-in diagrams and templates, standard wiring diagrams, and performance curves

Mark each copy to show applicable choices and options Where printed Product Data includes information on several products that are not required, mark copies to indicate the applicable information Include the following information :

Manufacturer’s printed recommendations

Compliance with trade association standards Compliance with recognized testing agency standards Application of testing agency labels and seals

Notation of dimensions verified by field measurement Notation of coordination requirements

Do not submit Product Data until compliance with requirements of the Contract Documents has been confirmed

5.2 Submittals : Following the procedures of submittal as stipulated by Construction Manager/PMU 5.3 Distribution : Following the procedures of submittal as stipulated by Construction

Manager/PMU Do not proceed with installation until a copy of Product Data is in the Installer’s possession

Do not permit use of unmarked copies of Product Data in connection with construction

6 SAMPLES

6.1 Submit full-size, fully fabricated Samples cured and finished as specified and physically identical with the material or product proposed Samples include partial sections of manufactured or fabricated components, cuts or containers of materials, color range sets, and swathes showing color, texture, and pattern

Mount or display Samples in the manner to facilitate review of qualities indicated Prepare Samples to match the Architect’s sample Include the following :

• Specification Section number and reference

• Generic description of the Sample

• Sample source

• Product name or name of the manufacturer

• Compliance with recognized standards

• Availability and delivery time

6.2 Submit Samples for review of size, kind, color, pattern, and texture Submit Samples for a final check

of these characteristics with other elements and a comparison of these characteristics between the final submittal and the actual component as delivered and installed

6 2.1 Where variation in color, pattern, texture, or other characteristic is inherent in the material or

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6.3 Distribution of Samples : Following the procedure for quality management/ quality assurance

issued by the Construction Manager/ PMU

11 QUALITY ASSURANCE SUBMITTALS

Following the procedure for quality management/ quality assurance issued by the Construction Manager/ PMU

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Project: The Ocean Resort Reception Building Precast Concrete

Truong Sa Street, Hoa Hai Ward, Ngu Hanh Son District, Danang City, Vietnam

ARCHITECTURAL SPECIFICATIONS

Section 03 40 0 PRECAST CONCRETE

2018

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-Project: The Ocean Resort Reception Building Precast Concrete

1.2.1 Design precast components in accordance with PCI MNL 120

1.2.2 Fabricate and erect precast concrete units in accordance with PCI MNL-116, as

indicated on the Contract Drawings and as specified herein

1.2.1 Shop Drawings: Submit shop drawings prepared by an experienced professional detailer

showing complete information for fabrication and installation of precast concrete units

Indicate unit dimensions and cross-section; fabrication tolerances; location, size, and type

of reinforcement, including special reinforcement; and lifting devices necessary for

handling and erection

• Show layout, dimensions, and identification of each precast unit corresponding

to sequence and procedure of installation

• Indicate welded connections by AWS standard symbols Detail inserts, connections, and joints, including accessories and construction at openings

in precast units

• Quantities, dimensions, and locations of sleeves, anchors, brackets, inserts, reglets, accessories, and methods of securing same in forms

• Casting, consolidating, and finishing procedures

• Include setting diagrams and instructions as required for installation

1.2.2 Product Data: Submit manufacturer's product data of manufactured products and

accessories Include manufacturer's detailed drawings and dimensions when applicable

1.2.3 Quality Assurance Submittals:

Submit qualifications of fabricator including a list of three successfully completed precast jobs of similar type and size to the project Include a detailed description of the fabricated structure, project name, location, general contractor, and engineer

1.3.1 Plant shall be PCI certified under the PCI Plant Certification Program or equivalent and regularly

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engaged in design and construction of structural precast concrete with a minimum of five (5) years experience PCI Certification shall be in a product group and category appropriate to the work

1.4.1 Transport, handle, and store precast units in a manner that will prevent damage to the

units Units shall be handled such that the points of the support and direction of the reactions with

respect to the unit are approximately the same during transportation and storage as when the unit is in

the final position

1.4.2 Store units in a manner that will prevent cracking, distortion, staining, or other damage

Units shall be stored above ground on skids or other supports to keep items free of dirt and other

foreign debris

1.4.3 Units damaged by improper storage or handling shall be replaced or repaired to the

satisfaction of the Engineer

2 PRODUCTS

2.1 MATERIALS

2.2.1 Concrete

1 Flyash meeting the requirements of ASTM C618, Type C, may be used as a

cement replacement only with the approval of the Engineer

• Type F may be used to modify potentially reactive aggregates

• Flyash may replace up to 15 percent, by weight, of the cement

• All admixtures must be from the same manufacturer

• Air-entraining admixtures shall conform to ASTM C260 and shall

be used to produce 6 to 8 percent entrained air in the concrete after all admixtures have been incorporated

• Water reducing admixtures meeting the requirements of ASTM C494, Type A, may be used only with the approval of the Engineer

• Admixtures containing chlorides and sulfides are not acceptable

Maximum total chloride ion content contributed from all ingredients of concrete including water, aggregates, cement, and admixtures measured as a weight percent of cement shall not exceed 0.06

2.2 FABRICATION

2.2.1 Field verify dimensions shown on the Contract Drawings prior to fabrication of

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any precast concrete structure Notify the Engineer of any differences between field measurements and those shown on the Contract Drawings

2.2.2 The manufacture, quality, dimensional, and erection tolerances of all precast units shall

be in accordance with PCI MNL 116

2.2.3 Forms shall be accurately constructed to produce units to dimension, shape,

configuration, and profile indicated When not otherwise indicated, construct forms to produce smooth concrete

2.2.4 Anchors, Lift Devices, and Accessories: Provide concrete inserts, reglets, anchors,

brackets, and fasteners as indicated or required for fabrication and installation work All items shall be zinc-coated or galvanized in accordance with ASTM A153 or ASTM A123, as applicable Contractor shall select the lift devices, and shall be responsible for their performance and for any damage resulting from the use of faulty or inferior devices

2.2.5 Concrete reinforcement, lifting reinforcement, and concrete inserts and anchorage

devices shall be placed and secured against movement as required

2.2.6 Concrete shall be placed and consolidated to shape, configuration, and dimensions

indicated

2.2.7 Identification: Identify each precast unit, in a semi-permanent manner, at the precasting

yard with respect to the final location Locate such identification and make it of such material as to withstand wear during shipping and damage from the elements for a period

of not less than one year Protect and preserve identification marks and restore any identification which becomes damaged or partially obliterated

• The Engineer reserves the right to reject any unit, and require replacement, if the identification becomes obliterated

2.2.8 Repair or replace any unit which does not conform to the dimensions or structural

standards shown on the Contract Drawings or specified herein, and which is not suitable for use as determined by the Engineer

2.3 FABRICATION TOLERANCES

2.3.1 Fabricate precast units conforming to the maximum dimensional tolerances listed in the

PCI Standards for precast concrete structures Units shall be stored in such a way as to

permit the Inspector access to all sides at all times

2.4 SOURCE QUALITY CONTROL

2.4.1 The Engineer will perform an inspection of precast concrete structures during the

fabrication process at the manufacturing plant

2.4.2 The Contractor-employed independent testing laboratory or agency shall perform such

inspections and tests as required to verify compliance with these Specifications, including the

following testing:A set of seven cylinders shall be prepared for every ten precast units, or fraction

thereof, cast in any one day Two cylinders shall be tested at 3 days, two cylinders at 7 days, two

cylinders at 28 days, and one cylinder shall be retained for further testing as may be required

Cylinders shall be prepared and moist cured in accordance with ASTM C31, and tested in accordance

with ASTM C39

3 EXECUTION

3.1 PREPARATION

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B Install precast concrete structures, including precast concrete field joints, in

conformance with Caltrans Standard Specifications, Section 51-1.115, “Precast Members,” as specified herein, and to the stages shown on the Contract Drawings

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Project: The Ocean Resort Reception Building Concrete Reinforcing

Section 03 20 00 CONCRETE REINFORCING

2018

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SECTION 03 20 00 CONCRETE REINFORCING

DESCRIPTION

The reinforced concrete construction and design works shall be carried out in compliance with the requirements of TCXD 195:1997 and the recommendations of British Standard BS8110, and to the satisfaction of the engineer and the statutory Authority in Vietnam

All concrete construction shall be in accordance with BS5606 – Code of Practice for Accuracy in Building and Appendix I hereof Permissible deviations from specified size, position, line or level, shall not exceed the values stated in Table 2 thereof unless noted otherwise on the drawings

RELATED WORK SPECIFIED ELSEWHERE

Section 031100, Concrete Formwork Section 033000, Cast-In-Place Concrete

REFERENCES

ACI: American Concrete Institute:

ACI SP-66: ACI Detailing Manual

ACI 318: Building Code Requirements for Structural Concrete and Commentary

ASTM: American Society for Testing and Materials:

ASTM A82: Standard Specification for Steel Wire, Plain, for Concrete Reinforcement

ASTM A185: Standard Specification for Steel Welded Wire Reinforcement, Plain, for Concrete

ASTM A615: Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement

REINFORCEMENT STEEL STORAGE

Store reinforcing steel blocked up off the ground and in orderly stacks

Each stack shall only contain bars with the same identifying label

Other types of cement shall not be used unless specifically approved by the Engineer

Manufacturer’s test certificates shall be submitted to the Engineer for each brand, type and/or origin of cement The Main Contractor shall make or arrange for tests on cement in accordance with BS4550 for each consignment delivered to site or as directed by the Engineer

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Aggregates shall be stored in such a manner as to prevent mixing of different sizes or contamination and to permit drainage of the stockpile

Water

Water shall be clean, uncontaminated and obtained from a suitable source It shall comply with the recommendations set out in the appendix to British Standard No 3148

Admixtures and Additives

Admixtures and additives shall not be used without the prior written approval of the Engineer Details shall be submitted to the Engineer including the manufacturer’s literature, the proposed dosage, method of adding and the chloride content Accelerators, retarders, water reducing admixtures and any combinations of these shall comply with BS5075 Pigments and coloring agents shall comply with BS1014 All admixtures and additives shall be used strictly in accordance with the manufacturer’s instructions Chemicals shall not be used to retard the setting of the concrete

or fine material from the wet concrete

Where reinforcement passes through formwork, the latter shall be designed so as to maintain the reinforcement in its correct position and to minimize leakage of concrete or grout

Temporary loadings from new construction shall be carried down by adequate propping to lower levels of construction which have attained their specified minimum 28 day strength and which are designed for equivalent or greater superimposed loadings

In some instances this requirement may necessitate distributing the temporary loading between two or more levels

of completed construction, in which event formwork shall be removed from the lower levels to permit dead load deflection to take place, and adequate re-propping of the soffits of beams and/or slabs shall then be carried out Such propping shall be adequate to spread the loads equally between such lower levels and shall be maintained undisturbed until the new construction at the upper level has attained its specified strength and formwork supports thereto have been removed

Reinforcement

All steel reinforcement shall be stored so that it is kept clean and free from contamination When fixed in position the steel reinforcement shall be clean and free from loose mill scale and rust, salt deposits, oil, grease or other substances likely to affect bond with the concrete

The Main Contractor shall provide adequate bar bending facilities on site to enable any variations to reinforcement

to be carried out expeditiously

Authenticated manufacturer’s certificates of origin, chemical composition and strength tests shall be submitted to the engineer for each batch of reinforcement and size of bar, prior to use in the works

Non-Structural Concrete

Mass Concrete

Mass concrete shall be mixed in the following proportions:

Quality 1:8 50 kg of cement to 0.28 cu.m of all-in aggregate

The minimum works cube strengths of Quality 1:8 mass concrete shall be 5.4N per sq.mm (55 kgf per sq.cm) within

7 days after mixing, and 7.5N per sq.mm 976 kgf per sq cm) within 28 days after mixing

Structural Concrete

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The mix design shall be such that the incidence of shrinkage cracking and other defective work in the finished

structural concrete is reduced to a minimum The Main Contractor’s attention is drawn to the undesirability of using mix designs with high proportions of cement as a means of achieving workability If the 28 day concrete strength as determined by the works cube tests is consistently exceeded the cement content of the mix shall be reduced

Where required by the Engineer, the Main Contractor shall carry out all necessary remedial work to shrinkage cracks or other defective work Any leaks or penetration of moisture occurring during the contract maintenance period in those parts of the building which are exposed to the external atmosphere shall be sealed by the Main Contractor at his own expense and shall remain dry for a further period equal to the contract maintenance period The chloride content of any mix including any admixtures or additives shall not exceed 0.1% for prestressed concrete or 0.35% for reinforced concrete expressed as a percentage relationship between chloride ion and weight of cement in the mix

Ready Mixed Concrete

The use of ready-mixed concrete, as defined in British Standard No 5328, shall be subject to the approval of the Engineer who will require inspecting the plant from which it is to be supplied

Ready mixed concrete shall comply with all the requirements of the contract, including all the relevant provisions of this specification for Structural Concrete

The Main Contractor shall be fully responsible for the performance of a ready mixed concrete supplier The Architect has the right to insist on a change of the supplier if his performance is considered unsatisfactory and any additional costs or delays arising therefrom shall be at the Main Contractors expense

Transport and Placing of Concrete

Prior to commencement of placing concrete in any section of the structure, all formwork and reinforcement shall be fully fixed, clean and free from standing water Concrete shall not be placed under water or in flowing water without the prior approval of the Engineer over the entire area of the proposed pour

When it is specified that the temperature of fresh concrete in particular elements shall not exceed 32°C when it is placed in position, the Main Contractor shall submit details to the Engineer for approval of any measures proposed

to ensure that this temperature will not be exceeded

Construction Joints

In the absence of specific instructions by the Engineer, construction joints shall be formed at positions where the shear stress is low and generally shall be transverse to the main reinforcement Construction joints in beams and slabs shall be within the middle third of the span Construction

Holes and Fixtures in Concrete

All openings, chases, or other indentations in the concrete shall be subject to the approval of the Engineer Shot fired fixings shall not be used in positions such as external cladding, windows, etc., where they may be affected by moisture

The Main Contractor shall make good, to the satisfaction of the Engineer, any damage caused by cutting the concrete or by the insertion of fixings therein

Concrete Finishes

Where specified or when instructed by the Engineer a sample panel of concrete surface for each finish, of at least 5 square metres in area, shall be constructed to the satisfaction of the Engineer and/or Architect and adopted as the minimum standard for further construction

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5

Movement Joints

Movement joints shall be formed to the sizes, construction and location as shown on the drawings

Water stops shall be minimum 200 mm wide of an approved proprietary make, set into faces of concrete with special factory made junction pieces provided at intersections

Fillers shall be polystyrene or similar proprietary boards or closed cell polythene backing rod and cords compressed to 50% at the face of joints

Joints exposed externally or where specified shall be sealed with an approved: -

Where shown the internal face should be finished with an approved clip strip fixed to the filler board

Mechanical joints shall be of an approved proprietary make and shall be installed strictly in accordance with the manufacturer’s recommendations

Watertight Construction

The attention of the Main Contractor is directed to the importance of careful planning and programming of the work

so as to produce a sound and watertight structure, free of cracks or other defects

All water tanks and swimming pools are to be in watertight construction and these together with any other work described on the drawings as watertight concrete construction shall conform to the requirements of this specification and the following additional requirements

All slabs at ground formation level shall be cast on minimum 50 mm thickness blinding concrete Quality 1:8 laid on the prepared formation unless greater thickness or higher quality concrete is shown on the drawings Should there

be any enforced delays in applying the blinding concrete, temporary protection must be provided to the prepared formation to prevent deterioration of the surface.joints shall be provided in walls at intervals not exceeding 9 metres

End Of Section

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The Ocean Resort Reception Building Concrete Topping

Section 03 53 00 CONCRETE TOPPING

2018

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SECTION 03 53 00 CONCRETE TOPPING

A This Section includes the following:

1 Cement based topping to receive floor setting and finishing system:

b Waterproof cement sand screed

c High compressive screed (with lightweight concrete)

B Related Sections include the following:

1 Division 09 Section 09 30 13 “Tiling” for tiling mortar bed

2 Structural Engineer's Specification for structural concrete

3 Structural Engineer’s Drawings

3 BS EN 450 - Fly ash for concrete

4 BS EN 934: Part 6 - Admixtures for Concrete, Mortar and Grout - Sampling,

Conformity Control and Evaluation of Conformity

5 BS EN 1605 - Thermal Insulating Products for Building Applications -

Determination of Deformation Under Specified Compressive Load and Temperature Conditions

6 BS EN 1606 - Thermal Insulating Products for Building Applications -

Determination of Compressive Creep

7 BS EN 15167 - Ground granulated blast furnace slag for use in concrete,

mortar and grout

C Local Codes: Current Editions of applicable Vietnam laws, ordinances, rules and regulations following:

1 TCVN – 5540-1991Concrete – Rules for the Strength Control

2 TCVN – 4506-1987Water for concretes and mortars – Technical

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5 TCXDVN – 371-2006 Acceptance of constructional quality of building works

6 TCXDVN – 313-2004 Concrete and reinforced concrete structures – Guide

on technical measures for prevention of cracks occurred under the action of Local Humid Climate

7 TCXDVN – 302-2004 Water for mixing concrete and mortar – Technical

Requirements

8 TCVN – 4453-1995Check and acceptance for building works

9 TCVN – 2622-1995Fire prevention and protection for buildings and

structures – Design requirements

10 TCVN – 3991-1985Standard for fire protection in building design

Terminology – definitions

11 TCXDVN – 65-1989Procedures for reasonable use of cement in building

1.03 PROJECT CONDITION

A The relative humidity in the project location ranges between 20% and 70%

B Local Environmental Condition

1 Conform in all aspects to the Specification in respect of requirement during

installation and after completion, under due consideration of all local environmental condition prevailing at the site, including, inter alia, the following, acting separately or in worst combination

2 The local external temperatures may occasionally reach normal and extreme

levels anticipated as follows:

a Air Temperature all year round (without chill factor): Normal +21.2~25.6°C; High +29.2°C

3 The internal environment will be partially controlled by air conditioning

Following the completion of the building envelope, the normal daytime conditions in the interior of the building, when occupied, will be as follows:

a Air Temperature: 24°C to 26°C

C Environmental Limitations: Comply with Manufacturer’s written instructions for

substrate temperature, ambient temperature and humidity, ventilation and other conditions affecting cement sand creed performance

PART 2 PRODUCTS

All colours mentioned in the specifications are preliminary The colours should be adapted to the up to date concept of the architects Colour samples of the finished surface have to be provided and must be approved and signed off by the architects

CLARIFICATION / APPROVAL

A Cementitious Material: Portland Cement: BS 12 and BS EN 197

B Clean, well-graded sand

C Water: BS EN 206: Part 1, BS 5328 and potable

D An approved waterproofing admixture: BS 1881-122:1983

A Cement sand screed: Comprise cementitious material, sand, and water

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1 To be used only as leveling layers for light duty use and under coverings like

tiles, natural stone or carpet

2 Strength for Screeds domestically used: min 20MPa

3 Sand Cement mix: follow manufacturer's requirements

4 Screed metal mesh : A metal mesh shall be provided for screed ≥ 50mm

B Waterproofing cement sand screed: Comprising cementitious material, sand, water and an approved waterproofing agent in the proportion recommended by the manufacturer

A General Requirement:

1 Proportion cement and sand in ratio of 1:3 - 1;4.5 if not otherwise stated by

Manufacturer

2 Clean water free from impurities recommended by Manufacturer

3 Use minimum amount of water necessary to produce a workable mix

B Proprietary Product:

1 Mix screed material in accordance with manufacturer’s instructions

A Store materials to comply with manufacturer’s written instructions to prevent

deterioration from moisture or other detrimental effects

A Examine substrates, with installer present, for conditions affecting performance

1 Proceed with application only after unsatisfactory conditions have been

corrected

A General: Prepare and clean substrate according to manufacturer's written

instructions

1 Treat non-moving substrate cracks according to manufacturer's written

instructions to prevent cracks from telegraphing (reflecting) through cement sand screed

2 Fill substrate voids to prevent cement sand screed from leaking

B Concrete Substrates: Mechanically remove, according to manufacturer's written instructions, laitance, glaze, efflorescence, curing compounds, form-release agents, dust, dirt, grease, oil, and other contaminants that might impair bond

A General: Mix and apply cement sand screed components according to

manufacturer's written instructions

1 Close areas to traffic during application and for time period after application

recommended in writing by manufacturer

2 Coordinate application of components to provide optimum adhesion between

cement sand screed and substrate

3 At substrate expansion, isolation, and other moving joints, provide joint of

same width to continue through cement sand screed

B Pour cement sand screed in thickness of 25mm to 100mm in each single operation

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1 Steel trowel or power float to give a smooth un-textured surface

2 Wood float to give an even textured surface

3 Stiff brush to give a slightly roughened texture

F Cure cement sand screed according to manufacturer's written instructions Prevent contamination during application and curing processes

G Joint: joint cutting is required Spacing to TBC with architects

H Do not install floor finishes over cement sand screed until after time period

recommended in writing by cement sand screed manufacturer

I Remove and replace cement sand screed areas that evidence lack of bond with substrate, including areas that emit a "hollow" sound when tapped

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Section 04 21 13 BRICK MASONRY UNITS

2018

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Project: The Ocean Resort Reception Building Brick Masonry Unit

SECTION 04 21 13 BRICK MASONRY UNITS

A Work Includes:

1 [042113-101] Hollow clay masonry units 90mm x 90mm x 190mm

2 [042113-102] Hollow clay masonry units 170mm x 75mm x 115mm

4 Miscellaneous masonry accessories and masonry cleaners

5 Engineering design of steel-braced masonry assembly

1 “Specification for Structural Steelwork” by Structural Engineer for steel posts,

lintels, and beams bracing concrete masonry units

2 Division 07 Section 07 92 00 : Joint Sealants, Waterproofing

A Vietnamese Code TCVN for Brick masonry:

1 TCVN 1451:1998: Hollow brick masonry- Specification

2 TCXD 90-1982: Hollow brick masonry

5 TCVN 1770: 1986: Sand for Construction – Technical Requirements

B British Standards:

1 BS3921: 1985 (1995) - Specification for Clay Bricks

2 BS5628: Part 3: 1985 - Masonry Materials and Components, Design and

Workmanship

3 BS8000: Part 3 : 1989 - Code of Practice for Masonry

4 BS12: 1991 - Specification for Portland Cement

C 2003 International Building Code (IBC): Chapter 21 Masonry

A Submit the following in accordance with Construction Manager’s Procedures Manual:

1 Product Data: Submit product data for each different masonry unit,

accessory and other manufactured product indicated

2 Shop drawings: Layout drawings at 1:50 scale Drawings to indicate the

locations of panels, wall thickness, control joints, reinforcing and required chases/or openings for MEP NSC Provide details at 1:5 scale of all reinforcement, archorages, control joints, lintels and head restraints Prepare shop drawings under the supervision of, and endorsed by a qualified registered Professional Engineer who is acceptable to the Architect

3 Asbestos-free and lead-free certification for all masonry materials and

accessories

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4 Masonry unit samples, for initial selection purposes, in small-scale form

showing full extent of colors and textures available for each different exposed masonry unit required

5 Material certificates for the following, signed by manufacturer and Contractor

certifying that each material complies with requirements

a Each different cement product required for mortar and grout,

including name of manufacturer, brand, type, and weight slips at time of delivery

b Each material and grade indicated for reinforcing bars

c Each type and size of joint reinforcement

d Each type and size of anchors, ties, and metal accessories

uniform quality, including color for masonry, from one manufacturer for each cementitious component and from one source and producer for each aggregate

B All masonry units shall be sound, free of cracks or other defects that may interfere

with the proper placing of the unit or impair the strength of construction

C Where units are to be used in exposed wall construction, the exposed masonry faces

shall not show chips or cracks, or imperfections when viewed from a distance of not less than 6.1 m under diffused lighting

D Use of damaged items is prohibited except by specific authorization of the Architect

E Testing Agency Qualifications: A qualified agency according to the TCVN for testing

indicated

F Testing: Contractor shall engage a qualified independent testing agency to perform

testing indicated below Preconstruction testing, and retesting of materials that fail to meet specified requirements shall be done at Contractor's expense

1 Testing Frequency: Tests and evaluations listed in this article will be

performed prior to installation of materials and may be performed during construction upon instruction by the Architect for each 465 m2 of wall area

2 1% of all brick consignments shall be tested for compliance with brick

strength properties The method of testing shall be in accordance with TCVN 6355:1998

G Pre-installation Conference: Conduct conference at Project site to comply with

requirements in Division 1 Section "Project Management and Coordination."

A Deliver masonry materials to project in undamaged condition

B Unload and handle masonry units with care to minimize soiling, chipping and

breakage Do not tip masonry units from the carrier Handle loads with wrapping and banding in place unless it is impractical to do so Use mechanical handing equipment wherever possible

C Do not stack units directly on sulphate bearing clinker and ashes or directly on the

ground Store bricks in stable stacks on a prepared hard standing area Protect the stacks from rain, and from soiling ground and passing traffic Protect the bottom of the stack from becoming wet from ground moisture

D Stack unwrapped masonry units so as to allow free circulation of air In addition,

follow the Manufacturer’s recommendations for handling and storage

E Store metal and plastics components, e.g wall ties, straps etc., under cover and

protect from damage and distortion

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F Store bagged cementitious materials in a dry, weatherproof, enclosed shed or

building with a dry floor If the floor is concrete, store on a raised timber platform

A Imposed loads and requirements: Refer to Engineers Specification

1.07 PROJECT CONDITIONS

A The relative humidity in the project location ranges between 20% and 70%

B Protection of Masonry: During erection, cover tops of walls, projections, and sills with

waterproof sheeting at end of each day's work Cover partially completed masonry when construction is not in progress Extend cover a minimum of 610 mm down both sides and hold cover securely in place

C Do not apply uniform floor or roof loads for at least 12 hours and concentrated loads

for at least 3 days after building masonry walls or columns

D Stain Prevention: Prevent grout, mortar, and soil from staining the face of masonry to

be left exposed or painted Remove immediately any grout, mortar, and soil that come in contact with such masonry

1 Protect base of walls from rain-splashed mud and mortar splatter by means

of coverings spread on ground and over wall surface

2 Protect sills, ledges, and projections from mortar droppings

3 Protect surfaces of windows and door frames, as well as similar products

with painted and integral finishes from mortar droppings

E Cold-Weather Construction: Comply with the following when ambient temperature

falls below 4.4o C

1 General: Remove masonry damaged by freezing conditions Do not lay

masonry units having temperature below -6.7o C Remove visible ice on masonry units before the unit is laid

2 Specific requirements for various temperature ranges are as follows:

grout temperatures between 4.4o C and 48.9o C at the time of mixing

b Maintain mortar temperature on mortar boards above freezing until

used on masonry

c When ambient temperature is between -6.7o C and -3.9o C, provide

heat sources on both sides of walls under construction and install wind breaks when wind velocity exceeds 24 km per hour

d When ambient temperature is below - 6.7oC, provide enclosures and

heat sources to maintain the temperatures above 0o C within the enclosure

a When mean daily temperature is between 4.4oC and 0oC, protect

completed masonry from rain or snow by covering with resistive membrane for 24 hours after construction

weather-b When mean daily temperature is between 0oC and -3.9oC,

completely cover completed masonry with weather-resistive membrane for 24 hours after construction

c When mean daily temperature is between -3.9oC and -6.7oC,

completely cover completed masonry with insulating blankets or equal protection for 24 hours after construction

d When mean daily temperature is below -6.7oC, maintain masonry

temperature above 0oC for 24 hours after construction by enclosure

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with supplementary heat, by electric heating blankets, by infrared heat lamps, or by other acceptable methods

F Hot-Weather Construction: Protect masonry construction from direct exposure to

wind and sun when erected in ambient temperature of 32oC or greater in the shade, with a relative humidity less than 50%

1 Do not spread mortar beds more than 1.2 m ahead of masonry Set masonry

units within one minute of spreading mortar Dampen, but do not saturate masonry units immediately before installation

3 Protection: When the mean daily temperature exceeds 38oC or exceeds

32oC with a wind velocity greater than 1 mph, fog spray all newly constructed masonry until damp, at least three times a day until the masonry is three days old

A Standard Shapes as follows:

2 Grade: 100 to Testing Method TCVN 1451:1998 & TCXD 90-1982

3 Unit Compressive Strength: Provide units with minimum average net area

compressive strength 10,5 MPa, unless otherwise indicated on Drawings:

4 Size: Provide manufacturer’s standard solid units with nominal face

dimensions of 90 mm high x 190 mm long x 90 mm width

5 Weight: 1.5 kg/unit (90mm)

6 Minimum flexural strength: 2 MPa(s)

7 Unit Dimensional Tolerance:

a Length: ± 5 mm

c Height: ± 2 mm

B Provide special shapes where indicated and as follows:

1 For lintels, corners, jambs, sash, control joints, headers, bonding, and other

special conditions

2 Square-edge units for outside corners, except where indicated

C Exposed Faces: Standard aggregate, smooth finish

D Available Manufacturers: Subject to compliance with requirements, manufacturers

offering products that may be incorporated in the work include, but are not limited to

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7 Size: Provide manufacturer’s standard solid units with nominal face

dimensions of 190 mm high x 390 mm long x 190 mm width

8 Weight: 20 kg/unit

9 Fire rated requirement according to NCMA, table 3 : 2-Hours

A Refer to the Drawings

2.05 MORTAR AND GROUT

A Mortar and Grout Materials:

1 Cement: TCVN 6260-1997 or ASTM C150, Type I or Type II Portland

cement, low alkali ASTM C91, Type S masonry cement maybe be used together with ASTM C150 Portland cement as specified herein

2 Lime: ASTM C2-7, hydrated, Type S

3 Conform to TCVN 1770: 1986, ASTM C144 and BS1200 From local natural

sources, non-standing, decanted and clean All sand shall be washed and

be free of all foreign matters, Sand grade shall comply with Type A of BS1199:1976 Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated in the work include, but are not limited

4 Grout Aggregate: ASTM C33 or ASTM C404, clean and graded concrete

aggregates proportioned by volume as follows: 3 parts fine and graded concrete aggregate to 2 parts of graded 9mm maximum size coarse aggregate

5 Water: Conform to TCVN 4506: 1987 Fresh, clean, potable, and free from

such amounts of mineral and organic substances as would adversely affect the hardening of cement mortar

6 Calcium chloride and admixtures containing it, should not be added to

mortars or grouts

B Mortar Type and Mixing Requirements:

1 Mortar for grouted unit masonry shall be Type S mortar in accordance with

the International Building Code Chapter 21, ACI 530.1, and ASTM C270, with minimum compressive strength at 28 days of 10.4 MPa (1,500 psi) A minimum of 56.8 Kg of Portland cement (ASTM C150) shall be provided per cubic meter of mortar when using ASTM C91 masonry cement

2 The use of an admixture for the purpose of reducing water content in mortar

will be permitted, provided the strength of the mortar is not reduced

3 Mortar shall be job mixed and, in lieu of specific requirements specified

herein, shall conform with ASTM C270, including measurement, mixing, proportioning, and water retention

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4 Accurately measure mortar ingredients and mix a minimum of three minutes

after water has been added, in a mechanical batch mixer, using sufficient water to produce a workable and plastic consistency Hand mixing will be permitted for small quantities only

5 Use mortar within 2-1/2 hours after mixing when air temperature is 26.6o C

or higher and within 3-1/2 hours when air temperature is below 26.6o C

Discard any mortar that has been mixed longer or that has begun to set If necessary, mortar may be tempered within this time limit, by replacing water lost due to evaporation and by thorough remixing

Shrinkage ≤ 0.6%

Flame spread: 0 Smoke development: 0 C.Grout:

1 Grout shall be Coarse Grout as defined by ASTM C476, with a minimum

compressive strength at 28 days of 13.8 MPa (2,000 psi), and shall be proportioned by volume in accordance with ACI 530.1

2 Grout mix shall be designed in accordance with ASTM C94 for manufacturer

designed mixes and for handling by an approved grout pump Slump shall

be 250mm

3 The use of an admixture for the purpose of reducing water content in grout

will be permitted, provided the strength of the grout is not reduced

Admixture shall be added to the mix as recommended by the manufacturer for the purpose intended

A Galvanised steel to BS729 (1986)

B Required standards :

1 Strips - conform to BS 1449:Part 2

2 Reinforcement bars - conform to BS 1554 and BS 3111: Part 2

3 Wires - conform to BS 1554 and BS3111: Part 2

A Examine conditions for compliance with requirements for installation tolerances and

other specific conditions, and other conditions affecting performance of concrete masonry unit

B Examine rough-in and built-in construction to verify actual locations of piping

connections prior to installation

C Do not proceed until unsatisfactory conditions have been corrected

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A Verify items provided by other sections of work are properly sized and located

B Set out the starting course anticipating the positions of openings, etc in the work or

above to avoid unnecessary cutting and adjustment of masonry units leading to incorrect or uneven bonding Establish lines, levels, and coursing Protect from disturbance

C Provider temporary bracing for walls, lintels, and all other masonry work during

erection Maintain in place until roof and other structural elements are complete and provide permanent bracing

D Coordinate and install required flashing, water proofing, fixings, sealant, backing

material and joint fillers in proper sequence to ensure weatherproof construction of external brick masonry walls

E Verify requirement for service penetrations prior to the installation work

A Place brick masonry to lines and levels indicated

B Maintain brick masonry courses to uniform width Make vertical and horizontal joints

equal and of uniform thickness

C Lay brick masonry units in running bond unless otherwise noted Rake joints on brick

masonry to provide key to receive external render and cement plaster finish Tool all joints concave Use tool with large enough radius so that joint is not raked free of mortar

1 Alignment of Pilasters: Maximum 6 mm from true line

2 Variation from Plane of Wall: 6 mm in 3 meters, 9 mm in 6 meters, 12 mm

maximum

3 Variation form Plumb: 6 mm per story non-cumulative

4 Variation from Level Coursing : 3 mm in 900 mm , 6 mm in 6 metres, 12.5

maximum

5 Variation of Joint Thickness: 3 mm in 900 mm

A Lay brick masonry units with completely filled bed and head joints, butter ends with

sufficient mortar to fill head joints and shove into place Do not slush head joints

Remove excess mortar

B Reinforce all openings within brick masonry walls along head, jamb and sill Refer to

Consulting Structural Engineer’s Contract Documents for requirements

C Fully bond intersections, and external and internal corners The tooth of walls around

doors openings is not permitted

D Do not shift or tap masonry units after mortar has taken initial set Where adjustment

must be made, remove mortar and replace

E Perform jobsite cutting with proper tools to provide straight un-chipped edges Take

care to prevent the breakage of brick masonry unit corners or edges

F Where required, match finished masonry work to adjacent surfaces

G Construct walls bottom of roof or floor deck leaving a minimum 15 mm gap for

deflection, fill the void with fire-stopping Restrain top of wall to underside of structural slab with 6 mm galvanized steel angles of 300 mm in length at 1200 mm centers, or way on alternative method as required by Contractor design

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A Install wall ties and horizontal joint reinforcement as required by the Contractor

design Lap joint reinforcement ends a minimum of 150 mm Do not extend joint reinforcement through control or expansion joints

B Brickwork reinforcement shall be expanded galvanized metal lathing of width 64 mm

and shall be installed at 450 cts vertically full length of the brickwork course

C Verify that anchorages embedded in masonry are properly placed

D Bonding to concrete walls/columns shall be effected by means of proprietary GMS

fixing lugs at 450 mm max vertical centres and projecting into the blockwork not less than 300 mm

E Tops of all brick walls in excess of 3.0 m high shall be bonded to the slab soffit at

600 mm horizontal centres similar to the above clause with allowance for slab deflection incorporated, or equivalent method of restraint

F All fixed joints between brickwork and concrete are to be covered by galvanized

expanded steel mesh, the mesh extending a minimum of 75mm past each size of the joint

G All brickwork walls are to be restrained by methods to the approval of the Architect

and Consulting Engineer

A As work progresses, build in metal and timber door frames, fabricated metal frames,

window frames, anchor bolts, diaphragm anchors, embedded plates, and other items included in the work supplied by other Sections

B Install items plumb and level

C Bed anchors of metal door frames in mortar joints Fill frame voids solid with with

grout

D Do not build in organic materials subject to deterioration

E Co-ordinate works of sub-contractors and all other trades, and, so far as practicable,

incorporate their requirements in brickwork as the work proceeds Form required chases, openings, recesses, reveals, too things etc., during building and do all fair and rough cutting for other trades Cut and pin in ends of brackets, wall tiles, lintels, etc and make good around

F Cut chases to dimensions as necessary with an abrasive cutting wheel All chased

brickwork shall be covered with expanded metal lathing where the chase depth exceeds 20 mm deep, the lathing to extend a minimum of 75mm past each side of the chase

Make good all cutting, reveals recesses etc after other trades have incorporated their pipes conduits etc by building in and pointing with cement mortar

Stretcher bond pattern must be maintained in all areas of holes & chases to ensure that the structural continuity of wall maintained

A Install steel lintels where indicated

B Provide masonry lintels where shown and wherever openings of more than 150 mm

for block size units are shown without structural steel or other supporting lintels

Provide precast or formed-in-place masonry lintels Cure precast lintels before handling and installation Temporarily support formed-in-place lintels

A Remove and replace masonry units that are loose, chipped, broken, stained, or

otherwise damaged or if units do not match adjoining units Install new units to match adjoining units and in fresh mortar or grout, pointed to eliminate evidence of replacement

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B Cut and fits for bearing plates, chases, pipes, conduit, sleeves, and grounds

Coordinate as required with other Sections work to provide correct size, shape, and location

C Obtain approval from the Architect prior to cutting or fitting any area not indicated or

where appearance or strength of masonry work may be impaired

D Pointing: During the tooling of joints, enlarge any voids or holes, except weep holes,

and completely fill with mortar Point-up all joints including corners, openings, and adjacent construction to provide a neat, uniform appearance, prepared for application of sealants

E Final Cleaning: After mortar is thoroughly set and cured, clean exposed masonry as

follows:

1 Remove large mortar particles by hand with wooden paddles and

nonmetallic scrape hoes or chisels

2 Protect adjacent stone and non-masonry surfaces from contact with cleaner

by covering them with liquid strippable masking agent, polyethylene film, or waterproof masking tape

3 Wet wall surfaces with water prior to application of cleaners; remove

cleaners promptly by rinsing thoroughly with clear water

4 Leave the work area and surrounding surfaces clean and free of mortar,

spots, droppings and broken masonry Remove defective or broken work and install new work

adjacent materials Consult masonry manufacturer for acceptable cleaners

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Project: The Ocean Resort Reception Building Metal Railings

Section 05 52 00 METAL RAILING

2018

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1

SECTION 05 52 00 METAL RAILINGS PART 1 - GENERAL

A Metal Handrails

B Steel Pipe

C Steel Plate

A Measurement: Metal handrails and railings will be measured for payment by the lump-sum

method, acceptably fabricated and installed

B Payment: Metal handrails and railings will be paid for at the indicated Contract lump-sum price as indicated in the Bid Schedule of the Bid Form

A American Society for Testing and Materials (ASTM):

2 ASTM A36 Specification for Structural Steel

3 ASTM A53 Specification for Pipe, Steel, Black and Hot-Dipped, Zinc Coated, Welded and Seamless

4 ASTM A123 Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products

5 ASTM A143 Recommended Practice for Safeguarding Against Embrittlement of Hot-Dip Galvanized Structural Steel Products and Procedure for Detecting Embrittlement

6 ASTM A153 Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware

7 ASTM A307 Specification for Carbon Steel Bolts and Studs, 60,000 psi Tensile

8 ASTM A384 Practice for Safeguarding Against Warpage and Distortion During Hot-Dip Galvanizing of Steel Assemblies

9 ASTM A385 Practice for Providing High-Quality Zinc Coatings (Hot-Dip)

10 ASTM A449 Specification for Quenched and Tempered Steel Bolts and Studs

11 ASTM A563 Specification for Carbon and Alloy Steel Nuts

12 ASTM A780 Practice for Repair of Damaged Hot-Dip Galvanized Coatings

13 ASTM D2092 Practices for Preparation of Zinc-Coated Galvanized Steel Surfaces for Paint

A Shop Drawings: Submit detailed Shop Drawings of metal handrails and railings, showing sizes, details of fabrication and construction, bends and radii, handrail brackets, locations of hardware, anchors, and accessories, and installation details

B Product Data: Submit manufacturers' product data of railing system and railing components, handrails, and handrail brackets Include corrosion-inhibitive shop coat painting system

PART 2 – PRODUCTS

All colours mentioned in the specifications are preliminary The colours should be adapted to the up

to date concept of the architects Colour samples of the finished surface have to be provided and must be approved and signed off by the architects

A Metal Handrails: Standard Steel Pipe, Architectural Handrail Grade, of diameter and sizes indicated Exterior metal handrails shall be galvanized Provide terminal safety returns for all stair handrails Handrail brackets shall be galvanized malleable iron, manufactured for the purpose, for

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C Plate: Steel plate for anchor plates shall be standard steel plate, conforming to ASTM A36, weldable quality

D Anchors, Fasteners, and Accessories: Provide all required anchors, fasteners, miscellaneous components, and accessories as required for complete and finished railing installations Bolts and studs, nuts, and washers shall conform with ASTM A307, A449, and A563, as applicable, and shall be galvanized in accordance with ASTM A153

1 Expansion Bolts: Where anchors are not included in the concrete construction,

provide galvanized expansion type anchors with matching galvanized steel bolts or studs with nuts, of sizes as indicated or required Provide washers under all bolt heads and nuts Expansion bolts require approval of the Engineer before they may

be installed in post-tensioned slabs Expansion bolts will not be permitted for use on concrete curbs or along the edge of concrete or a concrete joint

A Metal handrails and railings shall be fabricated by firms or shops experienced and skilled in the custom fabrication of architectural metal handrails and railings, and shall meet the quality requirements of NAAMM's Pipe Railing Manual

B Bends in rails shall be precision-formed to a smooth continuous radius by skilled workers Work quality and finish shall be true to detail Butt joints shall have internal pipe sleeve or dowel Ends shall be closed with similar materials, welded and ground smooth

C Welding shall be performed in the shop unless otherwise indicated Welded joints of handrails and railings shall be ground and dressed smooth to match adjacent surfaces and so that the shape and profile of the item welded is maintained

D Metal handrails and railings shall be prefabricated and preassembled in the factory or shop as far

as practicable

A Ferrous metal railings and related items on the exterior of the building, or as otherwise indicated, shall be galvanized, after fabrication, by the hot-dip process in accordance with ASTM A123 and ASTM A385 Weight of zinc coating shall conform with requirements specified under "Weight of Coating" in ASTM A123

B Safeguarding against steel embrittlement shall conform with applicable requirements of ASTM A143

A All surfaces of metal handrails and railings shall be cleaned and treated to assure maximum paint adherence, prior to application of the shop prime coat, in accordance with SSPC-SP 1, SSPC-SP

3, SSPC-SP 10, SSPC-SP 11 as applicable for the type of substrate, exposure, and application

B Ferrous metalwork shall be given a shop coat of rust-inhibitive metal primer or other approved rust-inhibitive metal primer standard with the railing manufacturer All surfaces of handrails and railings shall be spray- painted

C Coordinate with Section 09 91 13 - Painting, for compatibility of the prime coat and finish coats of paint

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B Install metal handrails and railings with accessories furnished by the railing fabricator as required for complete and finished railing installations

C Installation of handrails and railings shall be in accordance with approved Shop Drawings, true and horizontal, perpendicular, or at the required angle, as the case may be, level and square, with angles and edges parallel with related lines of the building or structure

A Galvanized surfaces which have become damaged from welding, handling, or installation shall be repaired immediately after installation with galvanizing repair material in accordance with ASTM A780

A After installation, exposed painted surfaces, field welds, and other abraded or damaged primed surfaces shall be prepared as required and touched up with an additional coat of the same primers for ferrous and galvanized surfaces as hereinbefore specified for shop painting

B Lightly sand and feather out such damaged surfaces so that paint touch-up becomes invisible Spray-paint all touch-up work

C Finish field painting is specified in Section 09 91 13 - Painting

End Of Section

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1

`Truong Sa Street, Hoa Hai Ward, Ngu Hanh Son District, Danang City, Vietnam

Section 06 40 0 ARCHITECTURAL WOOD WORK

2018

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