Standard Practice for Water Conservation in Buildings Through In-Situ Water Reclamation

SIGNIFICANCE AND USE
4.1 General—As the world’s population increases, so does the need for water to meet various needs, as well as the need to manage wastewater. Already accepted and endorsed by the public in many urban and agricultural areas, properly implemented nonpotable water reuse projects can help communities meet water demand and supply challenges without any known significant health risks.  
4.1.1 Many communities throughout the world are approaching, or have already reached, the limits of their available water supplies; water reuse has become necessary for conserving and extending available water supplies. Where the availability of water limits development, water reuse can facilitate social and economic developmental needs in an environmentally responsible manner.  
4.1.2 Many communities are also approaching, or have already reached, the limit of available water treatment facilities. New facilities and infrastructure are costly. In-situ water reuse reduces load on community wastewater facilities.  
4.1.3 Additionally, many communities face increased security issues in safeguarding water sources and treatment. In-situ systems provide for redundancies and diversified systems that decrease security issues associated with centralized facilities.  
4.2 Sustainable Development—This practice is consistent with the general principles for sustainability relative to building as identified in Guide E2432. It addresses the environmental, economic, and social principles as follows:  
4.2.1 Environmental—Water is a natural resource. Sustainable use of natural resources requires that the resource is utilized efficiently and in a manner that preserves or enhances the quality of that resource and does not adversely alter the balance between the renewable resource and the rate of consumption for building-related purposes. Utilization of technologies, such as in-situ water reclamation systems that help conserve water enable more sustainable use of water than standard construction.  
4.2.2...
SCOPE
1.1 In an effort to help meet growing demands being placed on available water supplies and water treatment facilities, many communities throughout the United States and the world are turning to water reclamation and reuse. Water reclamation and reuse offer an effective means of conserving the Earth’s limited high-quality freshwater supplies while helping to meet the ever growing demands for water in residential, commercial, and institutional development. This practice sets forth a practice for water reuse in buildings and related construction, encompassing both graywater and blackwater in-situ reclamation.  
1.1.1 This practice specifies parameters for substituting reclaimed water in place of potable water supplies where potable water quality is not required.  
1.1.2 This practice specifies limitations for use of reclaimed water in-situ. It is not intended for application to the use of reclaimed water delivered from an offsite municipal wastewater treatment facility.  
1.1.3 This practice specifies performance requirements for in-situ reclaimed water systems. It does not specify particular technology(ies) that must be used. A variety of technologies may satisfy the performance requirements.  
1.1.4 This practice specifies requirements for water stewardship associated with in-situ water reuse. Consistent with Guide E2432 and for purposes of this practice, water stewardship includes both quantity and quality impacts on water used in buildings.  
1.2 Implementation of this practice will require professional judgment. Such judgment should be informed by experience with sustainable development, including environmental, economic, and social issues as appropriate to the building use, type, scale, and location.  
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered stan...

General Information

Status
Historical
Publication Date
28-Feb-2014
Technical Committee
Current Stage
Ref Project

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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: E2635 − 14
Standard Practice for
Water Conservation in Buildings Through In-Situ Water
1
Reclamation
This standard is issued under the fixed designation E2635; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope conversions to SI units that are provided for information only
and are not considered standard.
1.1 In an effort to help meet growing demands being placed
1.3.1 Exception—Solely SI units are used in Table 1, Table
on available water supplies and water treatment facilities,
X3.1, and Table X4.1.
many communities throughout the United States and the world
1.4 This standard does not purport to address all of the
are turning to water reclamation and reuse. Water reclamation
safety concerns, if any, associated with its use. It is the
and reuse offer an effective means of conserving the Earth’s
responsibility of the user of this standard to establish appro-
limited high-quality freshwater supplies while helping to meet
priate safety and health practices and determine the applica-
theevergrowingdemandsforwaterinresidential,commercial,
bility of regulatory limitations prior to use.
and institutional development. This practice sets forth a prac-
tice for water reuse in buildings and related construction,
2. Referenced Documents
encompassing both graywater and blackwater in-situ reclama-
2
tion.
2.1 ASTM Standards:
1.1.1 This practice specifies parameters for substituting
D888Test Methods for Dissolved Oxygen in Water
reclaimed water in place of potable water supplies where
D1253Test Method for Residual Chlorine in Water
potable water quality is not required.
D4188 Practice for Performing Pressure In-Line
1.1.2 Thispracticespecifieslimitationsforuseofreclaimed
Coagulation-Flocculation-Filtration Test in Water
water in-situ. It is not intended for application to the use of
D4840Guide for Sample Chain-of-Custody Procedures
reclaimed water delivered from an offsite municipal wastewa-
D5128Test Method for On-Line pH Measurement of Water
ter treatment facility.
of Low Conductivity
1.1.3 This practice specifies performance requirements for
D5244Practice for Recovery of Enteroviruses from Waters
3
in-situ reclaimed water systems. It does not specify particular
(Withdrawn 2013)
technology(ies) that must be used. A variety of technologies
D5464Test Method for pH Measurement of Water of Low
may satisfy the performance requirements.
Conductivity
1.1.4 This practice specifies requirements for water stew-
D5907Test Methods for Filterable Matter (Total Dissolved
ardship associated with in-situ water reuse. Consistent with
Solids)andNonfilterableMatter(TotalSuspendedSolids)
Guide E2432 and for purposes of this practice, water steward-
in Water
ship includes both quantity and quality impacts on water used
D6238Test Method for Total Oxygen Demand in Water
in buildings.
D6569Test Method for On-Line Measurement of pH
1.2 Implementationofthispracticewillrequireprofessional D6698Test Method for On-Line Measurement of Turbidity
Below 5 NTU in Water
judgment. Such judgment should be informed by experience
with sustainable development, including environmental, D6734Test Method for Low Levels of Coliphages in Water
3
(Withdrawn 2015)
economic, and social issues as appropriate to the building use,
type, scale, and location. E631Terminology of Building Constructions
E2114TerminologyforSustainabilityRelativetothePerfor-
1.3 The values stated in inch-pound units are to be regarded
mance of Buildings
as standard. The values given in parentheses are mathematical
1 2
This practice is under the jurisdiction of ASTM Committee E60 on Sustain- For referenced ASTM standards, visit the ASTM website, www.astm.org, or
ability and is the direct responsibility of Subcommittee E60.01 on Buildings and contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Construction. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved March 1, 2014. Published April 2014. Originally the ASTM website.
3
approved in 2008. Last previous edition approved in 2008 as E2635-08. DOI: The last approved version of this historical standard is referenced on
10.1520/E2635-14. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E2635 − 14
E2432Guide for General Principles of Sustainability Rela- 3.2.9 osmosis, n—the movement of water between two
tive to Buildings solutions, separated by a membrane that permits the free
passage of water but prevents or slows
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: E2635 − 08 E2635 − 14
Standard Practice for
Water Conservation in Buildings Through In-Situ Water
1
Reclamation
This standard is issued under the fixed designation E2635; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 In an effort to help meet growing demands being placed on available water supplies and water treatment facilities, many
communities throughout the United States and the world are turning to water reclamation and reuse. Water reclamation and reuse
offer an effective means of conserving the Earth’s limited high-quality freshwater supplies while helping to meet the ever growing
demands for water in residential, commercial, and institutional development. This practice sets forth a practice for water reuse in
buildings and related construction, encompassing both graywater and blackwater in-situ reclamation.
1.1.1 This practice specifies parameters for substituting reclaimed water in place of potable water supplies where potable water
quality is not required.
1.1.2 This practice specifies limitations for use of reclaimed water in-situ. It is not intended for application to the use of
reclaimed water delivered from an offsite municipal wastewater treatment facility.
1.1.3 This practice specifies performance requirements for in-situ reclaimed water systems. It does not specify particular
technology(ies) that must be used. A variety of technologies may satisfy the performance requirements.
1.1.4 This practice specifies requirements for water stewardship associated with in-situ water reuse. Consistent with Guide
E2432 and for purposes of this practice, water stewardship includes both quantity and quality impacts on water used in buildings.
1.2 Implementation of this practice will require professional judgment. Such judgment should be informed by experience with
sustainable development, including environmental, economic, and social issues as appropriate to the building use, type, scale, and
location.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only and are not considered standard.
1.3.1 Exception—Solely SI units are used in Table 1, Table X3.1, and Table X4.1.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
D888 Test Methods for Dissolved Oxygen in Water
D1253 Test Method for Residual Chlorine in Water
D4188 Practice for Performing Pressure In-Line Coagulation-Flocculation-Filtration Test in Water
D4840 Guide for Sample Chain-of-Custody Procedures
D5128 Test Method for On-Line pH Measurement of Water of Low Conductivity
3
D5244 Practice for Recovery of Enteroviruses from Waters (Withdrawn 2013)
D5464 Test Method for pH Measurement of Water of Low Conductivity
D5907 Test Methods for Filterable Matter (Total Dissolved Solids) and Nonfilterable Matter (Total Suspended Solids) in Water
D6238 Test Method for Total Oxygen Demand in Water
D6569 Test Method for On-Line Measurement of pH
1
This practice is under the jurisdiction of ASTM Committee E60 on Sustainability and is the direct responsibility of Subcommittee E60.01 on Buildings and Construction.
Current edition approved Sept. 1, 2008March 1, 2014. Published September 2008April 2014. Originally approved in 2008. Last previous edition approved in 2008 as
E2635-08. DOI: 10.1520/E2635-08.10.1520/E2635-14.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
The last approved version of this historical standard is referenced on www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E2635 − 14
D6698 Test Method for On-Line Measurement of Turbidity Below 5 NTU in Water
D6734 Test Method for Low Levels of Coliphages in Wat
...

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