Application Guide for Multi-Unit Residential Buildings
For New Construction & Major Retrofi ts LEED® Canada-NC Version 1.0
September 2005 Foreword The Canada Green Building Council established a special Task Force to address important issues arising from the market uptake of the LEED® Canada-NC Green Building Rating System. The CaGBC instructed the Multi-unit Residential Building (MURB) Task Force to develop a discussion paper outlining key issues for MURBs, to assist users with the special challenges and non-technical questions of this building type with LEED Canada Prerequisites and Credits. The MURB Task Force prepared an Actions and Recommendations paper for the CaGBC that set out additional strategies for LEED Credits as they relate to LEED Canada-NC 1.0. The Task Force recommended the creation of a Low- and High- rise Residential Application Guide to supplement LEED Canada-NC.
The Low- and High-rise Residential Application Guide This LEED Canada-NC 1.0 Application Guide was prepared to provide additional clarifi cation on Requirements and Submittals for low- and high-rise multi- unit residential buildings as they relate to particular LEED Credits. This guide highlights only those alternate compliance Requirements and Submittals for specifi c Prerequisites and Credits that required clarifi cation for these building types, and for mixed-use buildings that include residential occupancies. Any Requirements outlined in this document are in addition to those already documented in LEED Canada-NC 1.0 for specifi c Credits; and should not be used for other occupancies, except as noted for mixed-use buildings with a residential component. The existing compliance paths described in the LEED Canada-NC 1.0 rating system are still available to MURB projects; the alternative compliance paths described herein are in addition to those compliance paths. As well, this Application Guide provides some common defi nitions and terms, and refi nes others for the low- and high-rise multi-unit residential context.
Acknowledgements The MURB Task Force and the preparation of the Application Guide could not have been undertaken without the fi nancial support of the Greater Vancouver Regional District and the Canada Mortgage and Housing Corporation. The CaGBC is greatly indebted for the unfl agging support of these organizations. The CaGBC would also like to acknowledge the efforts of the CaGBC’s Product Steering Committee and the LEED Technical Advisory Group for their input into the preparation of this Application Guide. The Application Guide process was managed by BuildGreen Developments Inc. with assistance from CaGBC staff, and included the review and suggestions of many TAG members. We extend our deepest gratitude to all these individuals and the MURB Task Force for their volunteer efforts and constant support of CaGBC’s mission.
Canada Green Building Council 2 MURB Task Force Task Force Chair: Joe Van Belleghem – BuildGreen Consulting Inc.
Members of the MURB Task Force: Andrew Pape-Salmon – BC Government, Ministry of Energy and Mines Andrew Pride – Minto Urban Communities Inc. Bill Semple – Canada Mortgage and Housing Corporation (CMHC) Bruce Hadden – Hotson Bakker Architects Cameron Thorn – Urban Development Institute, Municipal Affairs Chris Jones – EnerSys Analytics Curt Hepting – EnerSys Analytics Dale Mikkelsen – City of Vancouver Elizabeth Johnston – BC Hydro Jamie James – Tridel Jim Clark – Natural Resources Canada (NRCan) Lindsay Cole– BuildGreen Consulting Inc. John Robertson – City of Vancouver Jonathan Westeinde – Windmill Development Group Ltd. Martine Desbois – Consultant Michael Geller – Burnaby Mountain Community Corp. Natty Urquizo – City of Ottawa Pamela Lippe – e4 Inc. Ralph DiNola – Green Building Services Robert Brown – ReSource Rethinking Buildings/Chesterman Property Group Steve Carpenter – Enermodal Engineering Ltd. Thomas Mueller – Greater Vancouver Regional District (GVRD)
Disclosure The Canada Green Building Council (CaGBC) has been offi cially established as a national not-for-profi t corporation and it has signed a Licensing Agreement with the US Green Building Council (USGBC) for the exclusive implementation of the LEED Green Building Rating System in Canada. LEED Canada is a derivative work of the USGBC’s LEED® Green Building Rating System. LEED Canada and its companion LEED Canada Reference Guide are intended to facilitate the use of the LEED Green Building Rating System in Canada. The LEED Canada-NC Rating System and its companion LEED Canada-NC Reference Guide serve two distinct roles: 1. Where appropriate, they provide a set of equivalent Canadian LEED Prerequisite and Credit Requirements, including references to relevant Canadian standards and resource material.
Application Guide for Multi-Unit Residential Buildings 3 2. They provide guidelines to assist Canadian organizations and jurisdictions in the creation of Supplements that provide a further level of refi nement specifi c to their specialized needs. LEED Canada-NC version 1.0 is modeled on the USGBC’s LEED NC-2.1, and is applicable to new designs and major renovations of new commercial buildings, institutional buildings and low- and high-rise multi-unit residential buildings. Through its use as a design guideline and third-party certifi cation tool, LEED aims to improve the occupant well-being, environmental performance and economic return of buildings using established and innovative practices, standards and technologies. It provides a defi nition, widely accepted by industry, for what currently constitutes a “green building.” LEED Canada consists of an explicit set of environmental performance criteria, organized within fi ve (5) key performance categories: Sustainable Sites; Water Effi ciency; Energy and Atmosphere; Materials and Resources; and Indoor Environmental Quality. A sixth category, Innovation & Design Process, rewards exceptional environmental performance or innovation over and above that explicitly covered in the basic LEED Credits. LEED Canada lays out the basic Intent, Requirements and Submittals that are necessary to achieve each Prerequisite and voluntary Credit. Projects earn one or more points toward certifi cation by meeting or exceeding each Credit’s technical Requirements. All Prerequisites must be achieved in order to qualify for certifi cation. Points for each Credit contribute to a fi nal score that relates to one of four possible levels of certifi cation: LEED CERTIFIED, SILVER, GOLD or PLATINUM. The LEED Canada Checklist is a summary of Credit topics and point values crafted to assist users to track progress in greening their projects. A short description of technologies and strategies is included for each Credit to briefl y inform those who are unfamiliar with the particular topic. The LEED Canada- NC 1.0 Reference Guide—the technical companion to the Rating System and Letter Template—provides further background, explanation and instruction.
Disclaimer and Notices The Canada Green Building Council authorizes you to view the Application Guide for Multi-Unit Residential Buildings for your individual use and to copy as is, or in part, if you reference the original document. No content may be altered. In exchange for this authorization you agree to retain all copyright and other proprietary notices contained in the original LEED® Canada Green Building Rating System. You also agree not to sell or modify the Application Guide, or to reproduce, display or distribute the Application Guide in any way, for any public or commercial purpose, including display on a web site or in a networked environment. Unauthorized use of the Application Guide and LEED® Canada Green Building Rating System violates copyright, trademark, and other laws and is prohibited. All text, graphics, layout and other elements of content contained in the Guide are owned by the Canada Green Building Council and are protected by copyright under
Canada Green Building Council 4 Canadian, United States and foreign laws. Note that none of the parties involved in the funding or creation of the Application Guide and the LEED® Canada Green Building Rating System, including the Canada and U.S. Green Building Councils or their directors or members make any warranty (express or implied) or assume any liability or responsibility, to you or any third parties for the accuracy, completeness or use of, or reliance on any information contained in the Application Guide, or for any injuries, losses or damages (including, without limitation, equitable relief) arising out of such use or reliance. As a condition of use, you covenant not to sue, and agree to waive and release the Canada Green Building Council and its Directors or members from any and all claims, demands and causes of action for any injuries, losses or damages (including, without limitation, equitable relief) that you may now or hereafter have a right to assert against such parties as a result of your use of, or reliance on, the LEED® Canada Green Building Rating System and the Application Guide.
ISBN 0-9736610-2-X
Copyright Copyright© 2005 by the Canada Green Building Council. All rights reserved.
Trademark LEED® is a registered trademark of the U.S. Green Building Council. LEED® Canada is a registered trademark of the Canada Green Building Council
1 Leadership in Energy and Environmental Design – Rating System Version 2.1, US Green Building Council, June 2001, US Green Building Council, Washington DC: www.usgbc.org
Application Guide for Multi-Unit Residential Buildings 5 IIntroductionntroduction
DDefiefi nnitionsitions MMulti-Unitulti-Unit RResidentialesidential BBuildingsuildings ((MURBs)MURBs) aandnd LLow-ow- aandnd HHigh-igh- RRiseise ResidentialResidential BuildingsBuildings ((LHRRBs):LHRRBs): LLow-ow- andand hhigh-riseigh-rise bbuildingsuildings aarere ddefiefi nneded aass inin PartPart 3 (Group(Group C)C) ofof thethe Nation-Nation- aall BBuildinguilding Code,Code, butbut specifispecifi ccallyally eexcludexclude PPartart 9 ((GroupGroup CC)) bbuildingsuildings ((typicallytypically ssingle-familyingle-family ddwellings,wellings, dduplexesuplexes oorr rrow-housing).ow-housing). FForor mmixed-useixed-use bbuildings,uildings, tthehe rresidentialesidential pportionortion ooff tthehe bbuildinguilding ffallingalling uundernder PPartart 3 ooff tthehe CCodeode wwillill uutilizetilize tthehe MMURBURB ApplicationApplication GGuide,uide, wwhilehile tthehe ccommercialommercial pportionortion wwillill bbee ssubjectubject ttoo tthehe eexistingxisting LLEEDEED CCanadaanada fforor NNewew CConstructiononstruction & MMajorajor RRenovationsenovations vversionersion 11.0.0 ((LEEDLEED Canada-NCCanada-NC 1.0)1.0) IIntents,ntents, RRequirementsequirements aandnd Submittals.Submittals. TThehe CCaGBCaGBC wwishesishes ttoo rrecognizeecognize aandnd eencouragencourage mmixed-useixed-use bbuildingsuildings ssinceince ttheyhey oofferffer a widewide rangerange ofof potentialpotential environmentalenvironmental benefibenefi ts.ts. ItIt isis recognizedrecognized thatthat mixed-mixed- uusese buildingsbuildings attemptingattempting LEEDLEED certificertifi cationcation mmayay rrequireequire aadditionaldditional eeffort,ffort, wwhichhich iiss ooftenften ccomplicatedomplicated bbyy tthehe ccommercialommercial ccomponentsomponents tthathat mmayay bbee ddevelopedeveloped aass bbasease sshellhell spacespace (“core(“core andand shellshell space”).space”). MMixed-useixed-use pprojectsrojects tthathat ccontainontain oonlynly ccoreore aandnd sshellhell ccommercialommercial eelementslements aarere rre-e- qquireduired ttoo aaddressddress LEEDLEED CCreditsredits bbasedased oonn tthehe bbase-buildingase-building ssystemsystems iinstallednstalled wwithinithin tthehe sscopecope ofof thethe originaloriginal constructionconstruction contract.contract. LeaseLease commitmentscommitments ccanan bbee iincludedncluded iinn ddemonstratingemonstrating LLEEDEED CCreditredit ccomplianceompliance pprovidedrovided tthathat pprospectiverospective ttenantsenants aarere rre-e- qquireduired ttoo mmeeteet ssuchuch rrequirementsequirements iinn ttheirheir lleaseease oorr ppurchaseurchase ccontracts.ontracts. PProjectroject tteamseams aarere eencouragedncouraged ttoo ggainain gguidanceuidance ffromrom tthehe CCaGBC’saGBC’s LLEEDEED CCanada-NCanada-NC 11.0.0 aandnd UUSGBCSGBC LEEDLEED CoreCore aandnd SShellhell LLEEDEED RRatingating SSystemsystems iinn aachievingchieving sspecifipecifi c CCredits.redits. IIff a corecore andand shellshell commercialcommercial ccomponentomponent iiss uunablenable ttoo eearnarn a specifispecifi c LLEEDEED CCreditredit bbecauseecause tthehe wworkork nnecessaryecessary ttoo aachievechieve ssuchuch CCreditredit ffallsalls ooutsideutside ooff tthehe sscopecope ooff tthehe pproject,roject, somesome specifispecifi c LLEEDEED CCreditsredits ccanan bbee eearnedarned fforor tthehe eentirentire pprojectroject iiff tthehe rresi-esi- ddentialential pportionortion ofof thethe buildingbuilding meetsmeets thethe RequirementsRequirements ofof thethe specifispecifi c CCredit.redit. ThisThis aappliespplies oonlynly ttoo CCreditsredits WWEc2,Ec2, WWEc3,Ec3, EEQc1,Qc1, EEQc2,Qc2, EEQc5,Qc5, EEQc6.2Qc6.2 aandnd EEQc7.2.Qc7.2.
RResidentialesidential OccupancyOccupancy TThehe followingfollowing ooccupancyccupancy densitiesdensities shouldshould bebe usedused forfor residentialresidential dwellingdwelling units:units: • 1 bedroom/bachelorbedroom/bachelor = 1 ooccupantccupant • 2 bedroomsbedrooms = 2 ooccupantsccupants • 3 bedroomsbedrooms = 3 ooccupantsccupants IItt iiss rrecognizedecognized tthathat ooccupancyccupancy mmayay vvaryary cconsiderablyonsiderably ddependingepending oonn tthehe llocationocation ooff thethe pproject,roject, tthehe ttypeype ((forfor eexample,xample, aaffordableffordable hhousingousing oorr ppremiumremium pprojects)rojects) aandnd tthehe ttypeype ooff ooccupancyccupancy ((owners/renters).owners/renters). A sstandardizedtandardized ooccupancyccupancy mmethodologyethodology pprovidesrovides cconsistencyonsistency iinn ddocumentingocumenting sspecifipecifi c LLEEDEED CCreditredit ccomplianceompliance bbetweenetween pprojects.rojects.
Canada Green Building Council 6 AAlternativelternative ooccupancyccupancy mmethodologyethodology wwillill bbee aacceptedccepted iiff a sstrongtrong ccasease iiss mmadeade ttoo jjustifyustify a differentdifferent calculation,calculation, withwith appropriateappropriate documentationdocumentation andand jjustifiustifi ccation.ation.
RRegularlyegularly OccupiedOccupied AAreasreas ZZonesones oorr sspacespaces nnormallyormally ooccupiedccupied dduringuring ttypicalypical bbuildinguilding ooperatingperating hhours.ours. EExamplesxamples ofof regularlyregularly andand non-regularlynon-regularly occupiedoccupied spacesspaces include:include: RRegularlyegularly occupiedoccupied areas:areas: • kitchenkitchen • diningdining roomroom • livingliving roomroom • bedroomsbedrooms • offioffi cce/den/studioe/den/studio • buildingbuilding fi ttnessness rroomoom NNon-regularlyon-regularly occupiedoccupied areas:areas: • bathroombathroom • hallwayshallways • laundrylaundry • mechanicalmechanical • closets/storageclosets/storage rroomsooms • entryentry ways/lobbiesways/lobbies • elevatorelevator
OOutsideutside AirAir AAirir ttakenaken ffromrom tthehe eexternalxternal aatmospheretmosphere aand,nd, ttherefore,herefore, nnotot ppreviouslyreviously ccirculatedirculated tthroughhrough tthehe vventilationentilation ssystem.ystem.
VVentilationentilation AAirir TThathat pportionortion ooff ssupplyupply aairir tthathat iiss ooutdoorutdoor aairir ppluslus aanyny rre-circulatede-circulated aairir tthathat hhasas bbeeneen ttreatedreated forfor thethe purposepurpose ofof maintainingmaintaining acceptableacceptable indoorindoor airair quality.quality.
SSpecifipecifi c LLEEDEED CCreditredit RequirementsRequirements TThehe bbasicasic IIntents,ntents, RRequirementsequirements aandnd SSubmittalsubmittals ooff CCreditsredits aandnd PPrerequisitesrerequisites iinn LLEEDEED CCanada-NCanada-NC 11.0.0 aarere uunchangednchanged iinn tthishis MMURBURB ApplicationApplication GGuide.uide. ThisThis MMURBURB ApplicationApplication GGuideuide iiss mmeanteant ttoo ssupplementupplement aandnd bbee rreadead iinn cconjunctiononjunction wwithith tthehe LLEEDEED Canada-NCCanada-NC 1.01.0 RatingRating SystemSystem andand ReferenceReference Guide.Guide. TThehe ffollowingollowing ssectionsections cclarifylarify eexistingxisting LLEEDEED CCanada-NCanada-NC RRequirementsequirements aandnd SSub-ub- mmittals,ittals, aandnd ooftenften oofferffer aalternatelternate RRequirementequirement aandnd SSubmittalubmittal ccomplianceompliance ppathsaths ddeemedeemed ttoo ddemonstrateemonstrate MMURBURB ccomplianceompliance fforor a pparticulararticular LLEEDEED CCanadaanada CCreditredit oorr Prerequisite.Prerequisite. OOnlynly tthosehose PPrerequisitesrerequisites aandnd CCreditsredits tthathat rrequireequire cclarifilarifi ccation,ation, oorr aalternatelternate RRequirementsequirements tthathat wwillill mmeeteet tthathat CCredit’sredit’s IIntent,ntent, aarere aaddressedddressed iinn tthishis AAp-p- pplicationlication Guide.Guide.
Application Guide for Multi-Unit Residential Buildings 7 Table of Contents
Sustainable Sites Credit 2 Development Density 9 Credit 4.2 Alternative Transportation: Bicycle Storage and Changing Rooms 10 Credit 4.3 Alternative Transportation: Hybrid and Alternative Fuel Vehicles 11 Credit 4.4 Alternative Transportation: Parking Capacity 13
Water Effi ciency Credit 2 Innovative Wastewater Technologies 15
Energy & Atmosphere Prerequisite 2 Minimum Energy Performance 16 Credit 5 Measurement and Verifi cation 18
Indoor Environmental Quality Prerequisite 2 Environmental Tobacco Smoke (ETS) Control 19
Credit 1 Carbon Dioxide (CO2) Monitoring 21 Credit 2 Ventilation Effectiveness 22 Credit 3.2 Construction IAQ Management Plan: Testing Before Occupancy 23
Credit 5 Indoor Chemical & Pollutant Source Control 25 Credit 6.1 Controllability of Systems: Perimeter Spaces 27 Credit 6.2 Controllability of Systems: Non-Perimeter 28 Credit 7.2 Thermal Comfort: Monitoring 29
Canada Green Building Council 8 Sustainable Sites SS WE EA MR EQ ID Credit 2
Development Density 1 Point
Intent Channel development to urban areas with existing infrastructure, protect greenfi elds and preserve habitat and natural resources.
Requirements Alternate Compliance Path for Multi-Unit Residential Buildings Only: Where a project meets the 13,800m2 per hectare Requirement (60,000 square feet per acre) but the surrounding site does not, then 6 of the 12 amenities listed below must be located either in the project or within 800 metres (1/2 mile) of the project: a. Community Centre and/or Youth Activity Centre b. General Offi ce c. Supermarket d. School e. Restaurant f. Post Offi ce g. Pharmacy h. Park/Recreational Facility i. Senior Care j. Medical/Dental k. Lawyer l. Café/Bakery
Submittals Provide the LEED Letter Template, signed by the civil engineer, architect or other responsible party, declaring that the project has the required number of amenities in or within 800 metres of the project; AND Provide an area plan with the project location highlighted, indicating the type and locations of all relevant amenities listed above. Include a scale bar for distance.
Summary of Referenced Standard There is no standard referenced for this Credit.
Interpretation With respect to amenities, they must already exist or be under construction to satisfy the above Requirements. Amenities planned in the area are not to be included.
Application Guide for Multi-Unit Residential Buildings 9 SS WE EA MR EQ ID Credit 4.2 1 Point Alternative Transportation: Bicycle Storage & Changing Rooms
Intent Reduce pollution and land development impacts from automobile use.
Requirements No change to Requirements.
Strategies There is no Requirement for where bicycle storage may be located in a residential or mixed-use building. Unfortunately, many buildings locate bike storage facilities in the underground parking, making getting bikes to the surface a challenge. This Application Guide encourages MURB projects to locate bike storage facilities at or close to grade and near entrances/exits to the building, with easy passage be- tween the storage and entry/exit, so as to easily accommodate bike movement and encourage bike use.
Canada Green Building Council 1100 SS WE EA MR EQ ID Credit 4.3 Alternative Transportation: 1 Point Hybrid and Alternative Fuel Vehicles
Intent Reduce pollution and land development impacts from automobile use.
Requirements Alternate Compliance Path for Multi-Unit Residential Buildings Only: Hybrid, alternative fuel and/or highly fuel-effi cient vehicles will be accessible to at least 3% of building occupants through a car share or car co-op facility. The facility must be located within 800m of the project site (either on- or off-site).
Submittals Provide the LEED Letter Template with a drawing indicating the project site, the car share/car co-op parking location and a scale bar for distance. Provide a copy of the contract with the car share/car co-op indicating that their infrastructure will be actively marketed to project residents for at least two years after occupancy and that they have acquired the required number of hybrid, alternative fuel and/or highly fuel-effi cient vehicles to service the project; OR, Provide a copy of the building’s car share/car co-op management program and proof of vehicle ownership of, or minimum 2 year lease agreement(s) for the hybrid, alternative fuel and/or highly fuel-effi cient vehicle(s). Provide calculations indicating that at least 3% of building occupants will be serviced by the car share/car co-op facility.
Calculation 1. Identify the number of occupants in the building. Multiply the number of occupants by 3% to obtain the number of people to be served by the car sharing program (‘PPCSP’). 2. Divide PPCSP by 20 (the number of estimated shared cars required to meet the demand) to obtain the number of shared vehicles required to service 3% of the building’s occupants. 3. Round decimal amounts up to the nearest whole number.
Interpretation In mixed-use projects the commercial component can also use the above Requirements and Submittals to demonstrate compliance for residential portions of the project. Non-residential portions of mixed-use developments should follow
Application Guide for Multi-Unit Residential Buildings 1111 SS WE EA MR EQ ID Credit 4.3 Alternative Transportation: Hybrid and Alternative Fuel Vehicles (continued)
the procedures noted in the Reference Guide to estimate full-time equivalent (FTE) occupant load for non-residential areas.
Electrical refueling stations that service Neighbourhood Electric Vehicles (NEVs, also known as Low Speed Vehicles or LSVs) meet the Intent of this Credit.
NEVs are defi ned as follows: Any four wheeled electric vehicle with an attainable speed of more than 32 km/h (20 mph) and not more than 40 km/h (25 mph). NEVs/LSVs should not be confused with golf carts, which commonly have a lower maximum speed, or all terrain vehicles that are primarily intended for off-road use. Highly fuel-effi cient vehicles are defi ned as: Any fossil fuel powered four wheeled vehicle that meets or exceeds 25 km/liter (60 mpg).
Canada Green Building Council 1122 SS WE EA MR EQ ID Credit 4.4 Alternative Transportation: Parking Capacity 1 Point
Intent Reduce pollution and land development impacts from single occupancy vehicle use.
Requirements Alternate Compliance Path for Multi-Unit Residential Buildings Only: For residential projects, size parking capacity to meet, but not exceed, minimum local zoning requirements; AND EITHER Participate in an existing car sharing or car co-op program that can accommodate at least 5% of the building occupants, with parking for these vehicles located within 800 metres (1/2 mile) of the project (can be either on- or off-site) OR provide vehicles with dedicated parking on-site for car co-operatives or car sharing programs that can accommodate at least 5% of the building occupants; OR For residential projects, provide 20% less parking than required by the standard local zoning by-law requirements for residential projects in the general area of the development.
Submittals For residential projects provide: - The LEED Letter Template, signed by the civil engineer or other responsible party, stating any relevant minimum zoning requirements and declaring that parking capacity is designed to meet, but not exceed them. In the event of an audit of this Credit, provide a description of the car co-op or car sharing strategy, a copy of a car share or co-op contract, AND provide a highlighted area plan that shows the project at the centre of a circle of 800 metres (1/2 mile) radius, and car sharing or car co-op parking sites within this radius that can accommodate at least 5% of the building occupants OR provide vehicles with preferred parking on-site for car co-ops or car sharing that service at least 5% of the total building occupants. Show calculations indicating target percentages have been met. OR For residential projects provide: - The LEED Letter Template, signed by the civil engineer or other responsible party, stating any relevant minimum zoning requirements in
Application Guide for Multi-Unit Residential Buildings 1133 SS WE EA MR EQ ID Credit 4.4 Alternative Transportation: Parking Capacity (continued)
the general surrounding area and declaring that parking capacity is designed to be at least 20% less than this requirement.
Calculation The following is the calculation methodology to be used in determining the amount of vehicles required for a car share program whether provided on-site or through participation in a car share program. 1. Identify the number of occupants in the building. Multiply the number of occupants by 5% and divide by two to obtain the number of people to be served by the car sharing program (‘CSP’). 2. Divide CSP by 20 (the number of estimated car share cars required to meet the demand) to obtain the number of car share vehicles required to service 3% of the building’s occupants. 3. Round decimal amounts up to the nearest whole number to obtain the number of vehicles and parking required.
Interpretation In mixed-use projects the commercial component can also use the above Require- ments and Submittals to demonstrate compliance for residential portions of the project. Non-residential portions of mixed-use developments should follow the procedure noted in the Reference Guide to estimate full-time equivalent (FTE) oc- cupant load for non-residential areas. In achieving the 20% less requirement it is understood that some projects may be able to convince local zoning authorities to reduce the parking zoning bylaw re- quirements for a particular site as compared to nearby surrounding sites. As such, those projects that can demonstrate a 20% reduction to statutory parking require- ments as compared to these surrounding areas can earn this Credit.
Canada Green Building Council 1144 Water Effi ciency SS WE EA MR EQ ID Credit 2 Innovative Wastewater Technologies 1 Point
Intent Reduce generation of wastewater and potable water demand while increasing the local aquifer recharge.
Requirements For Multi-Unit Residential Buildings only: Reduce the use of municipally provided potable water for building sewage conveyance by a minimum of 40%.
Submittals Provide the LEED Letter Template, signed by the architect, mechanical or plumbing engineer or other responsible party, declaring that water for building sewage conveyance will be reduced by at least 40% for residential projects. Include the spreadsheet calculation and a narrative demonstrating the measures used to reduce wastewater by at least 40% for residential projects from baseline conditions.
Calculation In calculating residential wastewater reductions there will likely be no urinals in the baseline or design case as these fi xtures are typically not provided in residential building design. Therefore, assume building occupants are 50% male and 50% female with usage of toilets once a day for solids and twice a day for urine for both male and female. The calculations should be based on a 365 day period for both the design and baseline case.
Application Guide for Multi-Unit Residential Buildings 1155 SS WE EA MR EQ ID Energy & Atmosphere Prerequisite 2 Required Minimum Energy Performance
Intent Establish the minimum level of energy effi ciency for the base building and systems.
Requirements Option 3 - Low- and High-rise Multi-unit Residential Buildings: EFFECTIVE UNTIL DECEMBER 31, 2006: The project must be registered under LEED Canada on or before December 31st, 2006, AND a building permit must be issued within 12 months of December 31st, 2006 in order to be eligible for this option; EFFECTIVE JANUARY 1, 2007: Starting January 1st, 2007, the existing LEED Canada-NC 1.0 Requirements for new and existing buildings as described in Options 1 and 2 will come into effect for low- and high-rise residential buildings. Option 3 for low- and high-rise multi- unit residential projects will no longer be available.