Especificación General Para Obra De Concreto

GENERAL SPECIFICATION - ESPECIFICACIÓN GENERAL

24097-GC-018

FOR - PARA

CONCRETE WORK

OBRA DE CONCRETO

FOR - PARA LA

COMPAÑIA MINERA ANTAMINA, S.A.

ANTAMINA PROJECT - PROYECTO ANTAMINA

PERU, S.A.

BECHTEL INTERNATIONAL, INC.

JOB NO. 24097

ENCARGO NO. 24097

0 3/31/99 ISSUED FOR CONSTRUCTION

EMITIDO PARA CONSTRUCCION

TB SH PK

A 16 Oct.

1998

ISSUED FOR APPROVAL

EMITIDO PARA APROBACIÓN

JFC TB SH

REV

NO.

DATE

FECHA

REASON FOR REVISIONS

RAZONES DE LAS REVISIONES

ORIG SUPV ESPEC.

M&M

SPEC.

PE

EP

CLIENT

CLIENTE

DOCUMENT No. 24097-GC-018

Specification 24097-GC-018

Especificación 24097- GC-018

Rev. 0

GC018r0.doc Sheet 2 of 18

Folio 2 de 18

TABLE OF CONTENTS

(ÍNDICE)

Description - Descripción Page (Página)

1.0 GENERAL ....................................................................................................................................3

2.0 ABBREVIATIONS .........................................................................................................................3

3.0 CODES AND STANDARDS..........................................................................................................3

4.0 MATERIALS .................................................................................................................................5

5.0 REINFORCEMENT......................................................................................................................6

6.0 ANCHOR BOLTS AND EMBEDDED METAL...............................................................................7

7.0 FORMWORK................................................................................................................................9

8.0 PLACING REINFORCEMENT AND EMBEDDED ITEMS............................................................10

9.0 JOINTS.........................................................................................................................................12

10.0 PLACING OF CONCRETE ...........................................................................................................12

11.0 REPAIR OF SURFACE DEFECTS...............................................................................................15

12.0 FINISHING OF FORMED SURFACES.........................................................................................15

13.0 SLABS..........................................................................................................................................16

14.0 CURING AND PROTECTION.......................................................................................................16

15.0 GROUTING OF BASES AND BEARING PLATES .......................................................................16

16.0 SAMPLING, TESTING, INSPECTION, AND ACCEPTANCE.......................................................18

1.0 GENERALIDADES.......................................................................................................................3

2.0 ABREVIACIONES........................................................................................................................3

3.0 CÓDIGOS Y NORMATIVAS .........................................................................................................3

4.0 MATERIALES...............................................................................................................................5

5.0 REFUERZOS ...............................................................................................................................6

6.0 PERNOS DE ANCLAJE Y METAL EMPOTRADO.......................................................................7

7.0 ENCOFRADOS............................................................................................................................9

8.0 PLACING REINFORCEMENT AND EMBEDDED ITEMS............................................................10

9.0 JUNTAS........................................................................................................................................12

10.0 COLOCACIÓN DE CONCRETO...................................................................................................12

11.0 REPARACIÓN DE DEFECTOS SUPERFICIALES ......................................................................15

12.0 ACABADO DE LAS SUPERFICIES FORMADAS .......................................................................15

13.0 LOSAS..........................................................................................................................................16

14.0 CURA Y PROTECCIÓN................................................................................................................16

15.0 ENLACHADO DE BASES Y PLACAS DE SOPORTE..................................................................16

16.0 MUESTREO, ENSAYOS, INSPECCIÓN Y ACEPTACIÓN..........................................................18

Note

In the case of a discrepancy between the

English and Spanish versions, the English

language version will prevail.

Nota

En el caso de que exista una discrepancia

entre las versiones inglesa y española, la

versión en inglés prevalecerá.

Specification 24097-GC-018

Especificación 24097- GC-018

Rev. 0

GC018r0.doc Sheet 3 of 18

Folio 3 de 18

1.0 GENERAL

1.1 These general specifications establish the

quality of materials and workmanship and

define how quality is measured for

concrete work which includes but shall

not be limited to the forming, placing,

finishing and curing of concrete, the

supply and placing of reinforcement and

embedded items, the construction of

joints, and the mixing and placing of

grout.

1.2 The Owner will contract separately for the

supply of Ready-Mixed Concrete in

accordance with project requirements.

2.0 ABBREVIATIONS

The abbreviations listed below shall mean:

ACI American Concrete Institute

AISC American Institute of Steel

Construction

ANSI American National Standards

Institute

ASTM American Society for Testing and

Materials

AWS American Welding Society

CRSI Concrete Reinforcing Steel

Institute

3.0 CODES AND STANDARDS

Unless otherwise specified or shown, the latest

revisions or editions of the following codes and

standards shall apply to the extent indicated

herein:

ACI 301 Standard Specifications for

Structural Concrete

ACI 302.1R Guide for Concrete Floor and

Slab Construction

1.0 GENERALIDADES

1.1 Las presentes especificaciones generales

prescriben la calidad de los materiales y la

mano de obra y definen cómo se verificará

la calidad de la obra de concreto, la cual

incluirá, pero no se limitará a, el

encofrado, la colocación, el acabado y la

cura del concreto, el suministro y la

instalación de refuerzos e ítems

empotrados, la construcción de las juntas,

y la mezcla y colocación de enlechado.

1.2 El Propietario contratará por separado el

suministro del Concreto Premezclado de

conformidad con los requisitos de

proyecto.

2.0 ABREVIACIONES

Las abreviaciones relacionadas a continuación

significarán lo siguiente:

ACI American Concrete Institute

AISC American Institute of Steel

Construction

ANSI American National Standards

Institute

ASTM American Society for Testing and

Materials

AWS American Welding Society

CRSI Concrete Reinforcing Steel

Institute

3.0 CÓDIGOS Y NORMATIVAS

Al menos que se prescriba o muestre de otra

forma, se procederá de acuerdo con la última

revisión o edición de los siguientes códigos y

normativas, en la medida indicada en la presente:

ACI 301 Standard Specifications for

Structural Concrete

ACI 302.1R Guide for Concrete Floor and Slab

Construction

Specification 24097-GC-018

Especificación 24097- GC-018

Rev. 0

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ACI 305R Hot Weather Concreting

ACI 306R Cold Weather Concreting

ACI 315 Details and Detailing of Concrete

Reinforcement

ACI 318 Building Code Requirements for

Structural Concrete

ACI 347R Guide to Formwork for Concrete

ACI SP-2 Manual of Concrete Inspection

AISC M 016 Manual of Steel Construction -

Allowable Stress Design – 9th

Edition

ANSI B1.1 Unified Inch Screw Threads

ANSI B18.2.2 Square and Hex Nuts

ASTM A 36 Specification for Carbon

Structural Steel

ASTM A 153 Specification for Zinc Coating

(Hot-Dip) on Iron and Steel

Hardware

ASTM A 185 Specification for Steel Welded

Wire Fabric, Plain, for Concrete

Reinforcement

ASTM A 563 Specification for Carbon and

...