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PIP 1 – Guide to Specifying Pervious Concrete

The NRMCA has developed the Pervious Concrete Pavement Maintenance and Operations Guideto assist property owners and managers in developing and following a maintenance plan. The guide is available at perviouspavement/ downloads/pervious_maintenance_operations_guide.pdf. Contractor Qualification

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Guide to Specifying Concrete Performance - NRMCA

Guide To Specifying Concrete Performance 1 Preface This guide for preparing a performance-based concrete specification has been developed in the format of a model specification that can be modified by the user in scope and in level of detail. A commentary has been provided as text in the right hand column of the guide specification.

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Pervious in Practice (PIP) - NRMCA

Pervious in Practice is a series of short information pieces on important topics written in an easy understandable “What, Why and How?” format. It can be used by concrete contractors and ready mixed concrete industry personnel to improve knowledge of pervious concrete. Click on the links below: PIP 1 – Guide to Specifying Pervious Concrete

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NRMCA Releases Pervious Concrete Maintenance Guide

Jan 14, 2015  Eight-page guide explains the role that proper maintenance plays with regard to pervious concrete’s effectiveness and its durability January 14, 2015 National Ready Mixed Concrete Association ...

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Pervious Concrete Contractor Certification Program

re-certification shall be obtained by passing the nrmca pervious concrete contractor certification written examination administered by a local sponsoring group approved by nrmca with a score of 75% or greater; submitting documentation of work experience hours of at least an average of 40 hours per year since the previous submission of work

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Pervious Concrete Pavement Maintenance and Operations

NRMCA Pervious Concrete Pavement Maintenance and Operations Guide The following chart can serve as a minimal recommendationfor scheduled maintenance: ACTIVITY SCHEDULE Avoid sealing or repaving with impervious materials. In particular, never use asphalt or other tar-type sealers on pervious concrete. N/A

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Guide to Improving Specifications for Ready Mixed Concrete

This publication is intended as a guide for ready mixed concrete or contractor personnel who are responsible for compliance with project specifications or for design professional who develop project specifications. This document proposes specification clauses and includes accompanying commentary as guidance.

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Home - NRMCA

September 14, 2022 Little Rock, AR Improving Concrete Quality See all events Stay up to date with our weekly newsletter, NRMCA e-news. Keeping you informed on the latest trends within the ready mixed concrete industry and factors affecting the industry. You can catch up with past e-news here. Sign up for NRMCA's e-news

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Pervious Certifications - NRMCA

Jul 20, 2022  Please submit your question below and our team will follow up.

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Guide to Specifying Concrete Performance - NRMCA

Guide To Specifying Concrete Performance 1 Preface This guide for preparing a performance-based concrete specification has been developed in the format of a model specification that can be modified by the user in scope and in level of detail. A commentary has been provided as text in the right hand column of the guide specification.

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PIP 4 – Guide to Pervious Concrete Mix Design - NRMCA

The National Ready Mixed Concrete Association has developed Mix Proportioning Software for Pervious Concrete Mixtures, a software program that will help the user establish mixture proportions for pervious concrete for a design void content and optimum consistency. Along with the software, two documents are included. The first document

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NRMCA Releases Revised Guide to Specifications Concrete

Jul 01, 2015  Guide to Improving Specifications for Ready Mixed Concrete was developed by the National Ready Mixed Concrete Association and its members through the Research, Engineering and Standards (RES) Committee. The document evolved based on comments developed while reviewing actual project specifications used in the concrete construction

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Pervious Concrete Pavement Maintenance and Operations

Pervious concrete should never be used as a storage area to pile snow from other areas unless it has been specifically designed as a snowshelf, with special consideration for resistance to deicing chemicals, water quality issues and additional maintenance as requisite. The snow that has been plowed from other surfaces Pervious Concrete National ...

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Now Available: Pervious Concrete Maintenance Guide

Jan 14, 2015  The National Ready Mixed Concrete Association (NRMCA) has released a newly revised Pervious Concrete Pavement Maintenance and Operations Guide. The 8-page guide replaces the Pervious Concrete Pavement Maintenance Guidelines publication which was originally distributed in 2006. The new guide is a culmination of the collaborative efforts of the ...

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NRMCA Releases New Proportioning Software For Pervious Concrete ...

Sep 28, 2010  A special feature of this software program is that the mixtures can be designed for a void content that is close to that measured by the newly standardized ASTM C1688 Standard Test Method for Density and Void Content of Pervious Concrete. Pervious concrete is used for pavement applications to allow water to pass through the pavement structure ...

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NRMCA Pervious - ConcreteState

Certification Program: Pervious Concrete Contractor Certification Level: Pervious Concrete Technician Definition : The goal of this certification program is to ensure that knowledgeable contractors are selected to place the product and thereby minimize the chance for failure. The program is designed to be administered locally by local sponsoring groups in conjunction with

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Specifier’s Guide for Pervious Concrete Pavement Design

5. ACI522.1-08 “Specification for Pervious Concrete Pavement” 6. ACI Flatwork Finisher Certification Program 7. ACI Field Technician Certification Program B. National Ready Mixed Concrete Association 1. NRMCA Pervious Concrete Contractor Certification 2. NRMCA Pervious Concrete Pavements C. American Society for Testing and Materials 1.

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Maintenance Guidelines for Pervious Concrete

The National Ready Mixed Concrete Association and any other organizations cooperating in the preparation of this presentation strive for ... • Guide to Specifying Pervious Concrete • Importance of Using Certified Pervious Concrete Contractor • Acceptance Testing of Pervious

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Pervious Concrete

Pervious concrete is an alternative strategy to creating, capturing, treating, and discharging storm water. Designed to meet the growing environmental demands for Sustainable Low Impact Development, LEED storm water guidelines, Municipal EPA require ments, and as a primary mitigation measure to restore the health of Puget Sound; Pervious Concrete Pavement is an

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Pervious Concrete - sfpuc

Line: Pervious concrete margins shall be true to designed lines plus or minus ½ inch at any point. Slope: Pervious concrete shall be sloped as shown on the Plans. Slope shall be consistent to within 1/4 inch in ten (10) feet. Thickness: Each core sample shall be equal to the minimum section depth or more as specified on the Plans.

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NRMCA to host webinars on designing and specifying pervious concrete

Feb 07, 2018  The National Ready Mixed Concrete Association will host a two-part webinar on the 13 and 20 February on implementing pervious concrete pavements as solution to reducing stormwater runoff from building sites and other paved areas. It is aimed at helping civil engineers, architects, landscape architects and public works officials understand the principles behind

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DESIGNING AND SPECIFYING PERVIOUS CONCRETE - PART 1 2

COVID-19 Update: NRMCA will continue to provide member services by processing Publication orders each Monday. Please note, however, that we are temporarily suspending expedited deliveries until further notice.

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nrmca applications promotion concrete basics

This program is designed to educate, train and certify concrete finishers in pervious concrete placement. Per ACI Standard Contractor Qualification (ACI 522.1-13), the contractor shall employ no less than; 3 NRMCA certified Pervious Concrete Installers or 1 NRMCA certified Pervious Concrete Craftsman – as members of each placement crew.

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Specifying Pervious Concrete - Pave Ahead. All rights

(1) NRMCA certified Pervious Concrete Craftsman. who must be on site, overseeing each placement crew, during all concrete placement, or the contractor shall provide evidence of employment of three (3) NRMCA certified Pervious Concrete Installers. who have received hands-on training in the construction of pervious concrete pavements,

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Now Available: Pervious Concrete Maintenance Guide

Jan 14, 2015  The National Ready Mixed Concrete Association (NRMCA) has released a newly revised Pervious Concrete Pavement Maintenance and Operations Guide. The 8-page guide replaces the Pervious Concrete Pavement Maintenance Guidelines publication which was originally distributed in 2006. The new guide is a culmination of the collaborative efforts of the ...

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NRMCA Releases New Proportioning Software For Pervious Concrete ...

Sep 28, 2010  A special feature of this software program is that the mixtures can be designed for a void content that is close to that measured by the newly standardized ASTM C1688 Standard Test Method for Density and Void Content of Pervious Concrete. Pervious concrete is used for pavement applications to allow water to pass through the pavement structure ...

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DESIGNING AND SPECIFYING PERVIOUS CONCRETE - PART 1 2

COVID-19 Update: NRMCA will continue to provide member services by processing Publication orders each Monday. Please note, however, that we are temporarily suspending expedited deliveries until further notice.

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NRMCA Pervious - ConcreteState

Certification Program: Pervious Concrete Contractor Certification Level: Pervious Concrete Technician Definition : The goal of this certification program is to ensure that knowledgeable contractors are selected to place the product and thereby minimize the chance for failure. The program is designed to be administered locally by local sponsoring groups in conjunction with

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Nrmca Releases Pervious Concrete Mixture Proportioning Software

Feb 09, 2009  Nrmca Releases Pervious Concrete Mixture Proportioning Software. After more than a year of laboratory research work, NRMCA has developed a mixture proportioning software program for pervious concrete, especially aimed at helping users a) target design void content, critical to finished slabs’ water percolation; and, b) achieve an optimum ...

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:: Pervious Pavement :: Pervious Concrete for Green, Sustainable

Four-page brochure from NRMCA's Concrete Delivers series. Pervious in Practice: #1 Guide to Specifying Pervious Concrete (PDF) New! Pervious in Practice: #2 Importance of Using Certified Pervious Concrete Contractors (PDF) Pervious Concrete: A Solution for Michigan (PDF) Four-page pervious concrete brochure by the Michigan Concrete Association ...

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Nrmca Releases Green Promotion Tools, Pervious Pavement

Mar 01, 2009  Buyers Guide; About. Digital Archives; Media Kit Request; Contact Us; About Us; ... 2009. March. 1. Nrmca Releases Green Promotion Tools, Pervious Pavement Software; Nrmca Releases Green Promotion Tools, Pervious Pavement Software. March 1, 2009 CP Staff. ... National Ready Mixed Concrete Association (NRMCA) has produced a 20-page flip book ...

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Pervious Concrete - sfpuc

Line: Pervious concrete margins shall be true to designed lines plus or minus ½ inch at any point. Slope: Pervious concrete shall be sloped as shown on the Plans. Slope shall be consistent to within 1/4 inch in ten (10) feet. Thickness: Each core sample shall be equal to the minimum section depth or more as specified on the Plans.

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:: Pervious Pavement :: Pervious Concrete for Green, Sustainable

Typically, between 15% and 25% voids are achieved in the hardened concrete, and flow rates for water through pervious concrete are typically around 480 in./hr (0.34 cm/s, which is 5 gal/ft²/ min or 200 L/m²/min), although they can be much higher.

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nrmca applications promotion concrete basics

This program is designed to educate, train and certify concrete finishers in pervious concrete placement. Per ACI Standard Contractor Qualification (ACI 522.1-13), the contractor shall employ no less than; 3 NRMCA certified Pervious Concrete Installers or 1 NRMCA certified Pervious Concrete Craftsman – as members of each placement crew.

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NRMCA Training Certifications - washingtonconcrete

NRMCA Training Certifications. WACA offers a variety of NRMCA Trainings Certifications. Classes are based on an "as needed" basis. For more information on how to schedule a class, please contact the Association office at 206-878-1622. The class offerings are the following: NRMCA Pervious Concrete Technician NRMCA Concrete Delivery ...

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Concrete Answers :: Hub Site for Architects, Engineers and

Since 1930, the National Ready Mixed Concrete Association (NRMCA) has provided ready mixed concrete producers and the construction industry with accurate information and cutting-edge research and development support for the realization of concrete’s ever-advancing capabilities. ... Committee 522 Guide to Specification for Pervious Concrete ...

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Pervious Concrete Contractor Certification

Oct 29, 2013  The new ACI 522.1 requirements assure that pervious contractors will have experienced personnel on the job. The industry wants to make sure the contractor will be able to recognize the right moisture content and understand the consequences of ignoring improperly hydrated mixes. The proper moisture content is critical to a successful pervious ...

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