ACI-117-90 Standard Specifications for Tolerances for Concrete Construction and Materials.pdf

Diseño Hormigon Armado, Aci 318.-ACI-117-90 Standard Specifications for Tolerances for Concrete Construction and Materials

1. ACI 117-90

(Reapproved 2002)

Standard Specifications for Tolerances for

Concrete Construction

and Materials (ACI 117-90)

Reported by ACI Committee 117

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FOREWORD

FL. This forenord is included for explanatory pur-
poses only; di mota part of Standard Specification
ite

FR. Standard Specification 117 i a Reference Stan
dard which the Architect/Engineer may cite in the
Projet Specifications for any construction projet to
seiner with supplementary requirements for he spe-
tile project.

‘This standard isnot intended to apply 10 special
structures not sited in the standard such a nuclear re

1015 and containment vessels, bis and silos, and pre
Stressed circular structures. 1 abo ot intended 10
apply to the specialized construction procedure of
shotrete

F3. Standard Specification 117 addreses each ofthe
Three Part Section Format ofthe Consiuction Spec
fications Institute, organized by sirctural elements
kructurel components and types of structures; (he
‘numbering system reflects this organisation. The an
une i imperative and tere to preclude an alterna

Fa. A Specification Checklit is included as a preface
to, but not forming a par of, Standard Specification
11). The purpose of this Specification Checklist ls 10
asst the Archtcı/Enginee in propely choosing and
Specifying the necessary mandatory and optional fe
{uirements for the Project Specification

PREFACE TO SPECIFICATION CHECKLIST

Pi, Standard Speciation 117 i intended tobe used
in semi by referene inthe Project Specification.
Individual sections, are, or paragraphs should not
be copied into the Projet Specifications since raking
‘hem Out of context may change their meaning

PR. Bulding codes euablich minimum requirements
necessary to proec the public. Some of the require
ments in this Standard Specification may be more
ringen than the minimum in order o nsue the level
‘of quality and performance thatthe Owner expect the
Structure to provide. Adjustments 1 the needs of a
paricular project shouldbe made bythe Arcitec/En-
nee by reviewing each of the tems inthe Specifica
Sion Checklist and then including the Archiec/Engi
nes decision on each item as a mandatory require
met in the Projet Specifications

3. These mandatory requirements should designate
the specific qualities, procedures, materials, and per
formance criteria for which alternatives are permited
07 for which provisions were not made in he Standard
Specification. Exceptions o the Standard Specification
should de made in the Projet Specifications if re-
quired

PA. À statement such as the following will serve 10
make Standard Specification ACI 17 an official part
ofthe Project Specifications:

“Tolerances for Conereie Construction and Mate

tals hall conform to all requirements of ACI I,

andara Specifications for Tolerances for Con:

‘rete Constution and Materials, published bythe

American Concrete Institute, Detroit, Michiga

‘xcept at modified bythe tequifements of these

Contract Documents

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