especificaciones técnicas acero y concreto

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Sociedad Minera Cerro Verde S.A.A.

Primary Sulfide ProjectProject No. PSP108

Structural Concrete andReinforcing

Concreto Estructural y

RefuerzoSpecification No. C-CS-15-011

Rev. 0

10 May 2005

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Client Name: Sociedad Minera Cerro Verde S.A.A. Specif icat ion C-CS-15-011Project Name: Primary Sulfide Project Page 1 of 46Project Number: PSP108 Rev. 0

FLUOR

Mining & Minerals

STRUCTURAL CONCRETE AND REINFORCING CONCRETO ESTRUCTURAL Y REFUERZO

Y:\103\109 ENGDOC\109.2 CONSPEC_CS\STRUCTURAL\C-CS-15-011\C-CS-15-011 STR CONCRETE AND REINFORCING_REV.0.DOC STRUCTURAL

This document has been revised as indicated below. Changes after revision 0 are identified by vertical bars at theright side of the page, with additions being underlined. Please replace all pages of this specification and destroy

the superceded copies. English is the prevailing language of this document.

RevNo.

Originator(name/initials)

RevDate

Revision Description

C Tim Chan 18Jan05 Issued for Approval0 Tim Chan 10May05 Issued for Construction

New Issue Entire Specification Re-issued

APPROVALS ORIGINAL SIGNED BY

FLUOR DATE CLIENT DATE

Project Manager:

Engineering Manager: Brad Matthews 10May05

Area Project Engineer: Manuel Echevarria 10May05

Lead Discipline Engineer: Tim Chan 10May05

Process Approval:

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Client Name: Sociedad Minera Cerro Verde S.A.A. Specif icat ion C-CS-15-011Project Name: Primary Sulfide Project Page 2 of 46Project Number: PSP108 Rev. 0

FLUOR

Mining & Minerals

STRUCTURAL CONCRETE AND REINFORCING CONCRETO ESTRUCTURAL Y REFUERZO

Y:\103\109 ENGDOC\109.2 CONSPEC_CS\STRUCTURAL\C-CS-15-011\C-CS-15-011 STR CONCRETE AND REINFORCING_REV.0.DOC STRUCTURAL

Table of Contents1.

GENERAL ...................................................................................................................................................3

1.1 Summary......................................................................................................................................................3

1.2 References...................................................................................................................................................3

1.3 Pre-Concrete Conference............................................................................................................................6

1.4 Submittals.....................................................................................................................................................6

1.5 Delivery ........................................................................................................................................................7

2. PRODUCTS ................................................................................................................................................8

2.1 General.........................................................................................................................................................8

2.2 Materials.......................................................................................................................................................9

2.3 Design Criteria ...........................................................................................................................................13

2.4

Concrete Mixes ..........................................................................................................................................143.

EXECUTION..............................................................................................................................................15

3.1 Preparation.................................................................................................................................................15

3.2 Installation ..................................................................................................................................................16

3.3 Testing........................................................................................................................................................22

3.4 Field Quality Control...................................................................................................................................23

4.

ATTACHMENTS .......................................................................................................................................24

1. GENERALIDADES ...................................................................................................................................26

1.1 Resumen....................................................................................................................................................26

1.2 Referencias................................................................................................................................................26

1.3

Reuniones Previas a la Colocacin del Concreto .....................................................................................30

1.4 Remisiones ................................................................................................................................................30

1.5 Entrega.......................................................................................................................................................31

2.

PRODUCTOS............................................................................................................................................32

2.1 Generalidades............................................................................................................................................32

2.2 Materiales...................................................................................................................................................32

2.3 Criterios de Diseo.....................................................................................................................................37

2.4 Mezclas de Concreto .................................................................................................................................38

3.

EJECUCIN..............................................................................................................................................39

3.1 Preparacin................................................................................................................................................39

3.2

Instalacin ..................................................................................................................................................39

3.3 Ensayos......................................................................................................................................................46

3.4 Control de Calidad en Campo....................................................................................................................47

4.

ANEXOS ...................................................................................................................................................48

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Client Name: Sociedad Minera Cerro Verde S.A.A. Specif icat ion C-CS-15-011Project Name: Primary Sulfide Project Page 3 of 46Project Number: PSP108 Rev. 0

FLUOR

Mining & Minerals

STRUCTURAL CONCRETE AND REINFORCING CONCRETO ESTRUCTURAL Y REFUERZO

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1. GENERAL

1.1 Summary

This specification prescribes requirements for cast-in-place concrete construction.

A. Scope of Specification

1. Construction of plain and reinforced concrete work.

2. Sampling, testing, and inspecting concrete and concrete construction.

3. Placing anchor bolts and embedments for structural items.

4. Detailing, providing fabrication, and placing steel bar reinforcing, including reinforcingsupports and accessories.

5. Design, supply and installation of formwork for concrete structures.B. Related Specifications

The following specifications prescribe items of related work:

1. C-CS-15-031 Grouts

2. C-CS-15-032 Fabrication of Structural and Miscellaneous Steel

3. C-CS-15-033 Erection of Structural and Miscellaneous Steel

Coordinate Work prescribed by this specification with Work prescribed by the above listedspecifications.

1.2 References

The publications listed below form part of this specification to the extent referenced in thisspecification. Each publication shall be the latest revision and addendum in effect on the date thisspecification is IFC (Issued for Construction) unless noted otherwise. Except as modified by therequirements specified herein or the details of the drawings, work included in this specification shallconform to the applicable provisions of these publications. If there is a discrepancy between thereferences and this specification, the most stringent requirement shall govern.

A. ACI (American Concrete Institute)

1. ACI 270R Mass Concrete