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ECOnirman WBP Tool - User Manual

1. Kaes AEREA za NEEN M Le be jj WER wenn WI OU ON TI _ USAID ECO III Project AADI Building Lower Ground Floor 2 Balbir Saxena Marg Hauz Khas New Delhi 110 016 Tel 91 11 4597 4597 Fax 91 11 2685 3114 Email eco3 irgssa com Website www eco3 org
2. e Enter edit the details such as project and organization names location details building type and occupancy and dimensions A Enter the exact Total Interior Floor Area of the building Certain input fields get defaulted across the tool based on this information e Click Apply at the bottom of the page O At this point e he creation and modification dates along with the timestamps are displayed e Other tool tabs and sub tabs get activated Revert at the bottom of the page is used to discard the entered details and revert to the previously saved ones Click Return to Project List at the top right corner of the page at any point to access the list of projects A dialog box appears to save the project The current project has not been saved Would you like to save the project now Click Yes to save A It Is imperative to save the project before accessing the list of project Any unsaved project details under the tabs sub tabs will be otherwise lost 6 2 Building This sub tab is used to define the shape dimensions and orientation of the building E CO nirman Whole Building Perfor nce Project Centre 2 Return to Project List Project Information Building Use Envelope Conformance Check General Building Shape Size and Orientation Building Dimensions Building The building geometry inputs can be specified by selecting a building floor plan shape and modifying the proportions and orientation to rep
3. 4 Change Password and Update Profile Click on logged in user s e mail address at the top right corner of the page to change the password or update the user details The Update Profile dialog box appears Update Profile x New Password Confirm Password Full Name Firstname Lastname Company Name IRG ECO ITI Job Tithe RA Architect Industry Energy e To change the password enter the new password confirm it and click OK e To update the profile enter the relevant details and click OK 4 3 5 Log Out After using ECOnirman WBP Tool click Logout at the top right corner of the page to log out A lt is imperative to save the entered details before logging out Any unsaved details will be otherwise lost S Manage Projects After logging into ECOnirman WBP Tool for the first time a blank project list is displayed However if the project records were already created by an existing user by logging in earlier then those are listed E CO nirman Whole Building Performance projects re i e EA SICHT e EE E MN A a 3 11 2011 fist 9 7 2011 Ee Apply Filter Organization Name IRG ECO ITI Mumbai Centre 1 7500 Mumbai e Create new project see 5 1 1 e Existing project Edit see 5 1 2 Delete see 5 1 3 Copy see 5 1 4 a Filter the list of projects see 5 a The list of projects the project list can be sorted by clicking the column heading For example click the column
4. 6 7 Return Water Temperature C 113 Chiller Cooling Type Water Compressor Type Centrifugal v Sizing Autosize y Number of Chillers 1 Chiller 1 Chiller Efficiency COP 15 8 Chiller Capacity W 53 Specify the following properties customizable inputs of the cooling plant e Cooling System Inputs e Chiller s e Cooling Tower e Primary Pump e Secondary Pump e Condenser Pump Finally click OK to define the cooling plant Heating Plant HVAC Heating System x Heating System Inputs System Name Boiler Plant Supply Water Temperature C 82 Return Water Temperature C 4 Boiler Fuel Type Natural Gas v Efficiency COP 0 8 Sizing Autosize v Capacity W Primary Pump Head Pressure Pa II Flow Control Specify the following properties customizable inputs of the heating plant e Heating System Inputs e Boiler e Primary Pump e Secondary Pump Finally click OK to define the heating plant 54 9 1 3 Delete System To delete a system select it and click Delete A confirmation dialog box appears Delete Air System Are you sure you wish to delete the selected air system Packaged Terminal Unit IC Click Yes to delete the system The system gets deleted A There is no way to undo this action and retrieve a deleted system 9 2 Assignments As per the ECBC HV
5. GE 15 5 1 4 COPY ele EE 16 52 Filter Project EEN 17 6 Project o enee ee E 18 6l E 18 62a BUN ce 20 6 2 1 EIERE 21 6 2 2 Building Dimensions ccoocccocccoconoconoconoconnconnconnnonnnonnnonnninnnonos 22 6 2 3 Buding One MAHON E 25 AAA 26 E PACS AAA A ea aes eee ees 26 L ns E e ere ciar 27 7 1 2 Bien tele DEE 27 T Aad Exe 6 sree A ea rn ere ee O 28 7 1 4 Thermal GON Oeste tapas eaten eines 30 TA Apo E EN e EE 32 E 33 e 33 Fes LONN AAA A A A 35 eds FOO ARMINII ET 36 7 2 2 Perimeter AllOC QUO sacacasa 36 O E ele 38 Sd WINGOWS and EE 38 8 1 1 Wall Construction cccooccccocnconcnnccnccncnonononnnncnncnonononnronnnnnnnnos 40 Customized Wall Assembly ococooccccoccncccccnconcncnonnnonacnnnnnos 40 8 1 2 KEISER 41 Customized Window Aesembhy 41 8 1 3 Window Wall Ratio rerainan 42 8 1 4 EAE O LA ent AE eae ee ee ea 43 FIONZONTAl OMAGING WEE 43 Vertical Shading E 44 82 eene SKYPE sesa 45 8 2 1 ROO Biel ee D 45 Customized Roof Assembly coooccccoccnccccncccncnconcncconcnonacnnnnons 46 8 2 2 AMIA ROOF AUG E 47 8 2 3 FOOL FLCTIOCIIVILY E 47 9 Heating Ventilation and Air COnditioning ccsssccsseseeeseseeeeeneeennees 48 Oils sO SM tar rated REE RAI 49 9 1 1 POG SV SUC secede toca sad ete tae sade toate sss 50 9 1 2 FUN SM 51 MES 51 SI A NETA 53 ACI A ele 54 9 1 3 Delete STO siii dE 55 dies ASSION rn iran A A AAA A vin 55 10 Conformanc
6. WBP Tool is aesthetically designed keeping in mind the ease of navigation for the end user The tool features different tabs at the top to navigate effectively through a project These tabs feature sub tabs on the left side that act as logical sections to enter the relevant building details to run the simulation and generate the conformance report For each building project the user progresses by specifying the parameters including building shape dimensions orientation building use information and details of the HVAC systems When complete the simulation can be invoked to view the results for both the Standard Design and the Proposed Design The tool allows the user to provide inputs for the simulation that do not need to be sequential The information can be provided in the sequence preferred by the user This makes it more intuitive and interactive However to get correct results the user needs to go through all the left side sub tabs under each top tab and provide the information relevant to the building Ki Across the tool the fields marked with an asterisk are mandatory 4 1 How to Access Enter the link http econirmanwbp eetools in amp in the web browser s address bar to access ECOnirman WBP Tool Ge Use Appendix B Computer Settings 8 12 to learn about the settings required on a user s computer before using the tool 4 2 Home Page The following illustration highlights the composition of ECOnirman WBP T
7. Window Construction click to view the drop down list of window assemblies Window Construction Double pane 2 Low E clear UPVC frame sliding U factor 3 12 SHGC 0 42 VT 0 44 Double pane 2 Low E 3 Low E aluminium frame fixed U factor 2 8 SHGC 0 2 VT 0 15 Double pane 2 Low E 3 Low E aluminium frame sliding U factor 3 8 SHGC 0 19 VT 0 13 Double pane 2 Low E 3 Low E wood frame fixed U factor 1 97 SHGC 0 17 VT 0 13 Double pane 2 Low E 3 Low E wood frame sliding U factor 2 14 SHGC 0 16 WT 0 13 Double pane 2 Low E 3 Low E UPVC frame fixed U factor 1 88 SHGC 0 21 VT 0 17 Double pane 2 Low E 3 Low E UPVC frame sliding U factor 2 49 SHGC 0 15 VT 0 12 Double pane 2 Low E clear aluminium frame fixed U factor 3 64 SHGC 0 56 VT 0 59 Double pane 2 Low E clear aluminium frame sliding U factor 4 41 SHGC 0 5 VT 0 52 Double pane 2 Low E clear UPVC frame Fixed U factor 2 79 SHGC 0 6 VT 0 65 Double pane 2 Low E clear UPVC frame sliding U factor 3 12 SHGC 0 42 VT 0 44 Double pane 2 Low E clear wood frame fixed U factor 2 67 SHGC 0 48 VT 0 52 Double pane 2 Low E clear wood frame sliding U factor 2 79 SHGC 0 46 VT 0 49 Double pane 2 Low E reflective aluminium frame fixed U factor 2 9 SHGC 0 24 VT 0 18 Double pane 2 Low E reflective aluminium frame sliding U factor 3 87 SHGC 0 22 VT 0 16 Double pane 2 Low E reflective UPVC frame fixed
8. and demonstrate conformance of their proposed buildings with respect to the ECBC lt is with this objective that the development of ECOnirman Whole Building Performance Tool an online conformance check tool was undertaken by ECO III Project in partnership with BEE The tool uses the Whole Building Performance WBP Method detailed in Appendix B of the ECBC to assess conformance lt is developed by The Weidt Group Inc TWGl under the guidance of ECO III Project This manual will familiarize a user with the interface of ECOnirman WBP Tool and walk through the step by step process of assessing conformance 2 Key Concepts Before using ECOnirman WBP Tool for assessing conformance of the building it will be beneficial to understand certain energy and conformance related concepts These are explained in the following sub sections Ki See Appendix A Definitions and Acronyms 11 for a list of definitions 2 1 Energy Conservation Building Code ECBC The Energy Conservation Building Code ECBC is the result of extensive work by BEE and its Committee of Experts Its purpose is to provide minimum requirements for energy efficient design and construction of commercial buildings and their systems It is the first step towards promoting energy efficiency in the building sector O keter to ECBC User Guide International Standard Book Number 978 81 909025 3 3 BEE New Delhi India to understand the ECBC better It is available online at
9. ask for a calculation of the assembly U factor e Click OK The customized assembly gets listed in the drop down list with the word Custom prefixed to it 46 8 2 2 Skylight Roof Ratio This is the ratio of the total skylight area of the roof measured to the outside of the frame to the gross exterior root Enter Skylight Roof Ratio 8 2 3 Roof Reflectivity As per the ECBC for the Standard Design exterior roof surfaces other than those with ventilated attics must be modelled assuming a surface reflectance value of 0 30 However if a Proposed Design calls for a reflective roof surface the model may assume a long term average reflectance of 0 45 This results in lower heat absorption of the reflective surface and makes a conservative allowance for the degradation of reflectivity over its lifetime For this exception to be allowed the specified reflectance of the roof in the Proposed Design must exceed 0 70 and its emittance must exceed 0 75 Enter Roof Reflectivity 47 9 Heating Ventilation and Air Conditioning Heating Ventilation and Air Conditioning HVAC refers to the equipment distribution systems and terminal units that fulfil either collectively or individually the heating ventilation or air conditioning requirement of a building or a portion of it HVAC systems account for a significant portion of a commercial building s energy use HVAC energy use can increase or decrease significantly depend
10. collectively or individually the processes of heating ventilation or air conditioning to a building or portion of it 64 Kilovolt ampere where the term kilovolt ampere kVA is used in this standard it is the product of the line current amperes times the nominal system voltage kilovolts times 1 732 for three phase currents For single phase applications kVA is the product of the line current amperes times the nominal system voltage kilovolts Kilowatt the basic unit of electric power equal to 1000 W Lighted floor area gross the gross floor area of lighted spaces Lighting Power Density the maximum lighting power per unit of area of a building classification of space function Packaged Terminal Air Conditioner a factory selected wall sleeve and separate unencased combination of heating and cooling components assemblies or sections lt may include heating capability by hot water steam or electricity and is intended for mounting through the wall to service a single room or zone Process load the load on a building resulting from the consumption or release of process energy R value thermal resistance the reciprocal of the time rate of heat flow through a unit area induced by a unit temperature difference between two defined surfaces of material or construction under steady state conditions Units of R are m C W h ft F Btu For the prescriptive building envelope option R value is for the insulation a
11. heading Has Results to view the projects sorted as per the availability of the simulation result Yes indicates that simulation results are available for the project and No indicates that they are not 5 1 Project Actions The building projects can be created edited deleted and copied These actions are explained in the following sub sections 5 1 1 Create Project To create a new project for assessing conformance click New at the top right corner of the page The Project Information tab opens see 6 5 1 2 Edit Project To edit an existing project click on a project in the list and then click Edit at the top right corner of the page The Project Information tab opens with the underlying project details see 6 5 1 3 Delete Project To delete an existing project click on a project in the list and then click Delete at the top right corner of the page A confirmation dialog box appears Delete Project Are you sure you wish to delete the selected project SE IC Click Yes to delete the project The project gets deleted A There is no way to undo this action and retrieve a deleted project 5 1 4 Copy Project To make a copy of an existing project click on a project in the list and then click Copy at the top right corner of the page e The General sub tab 6 1 under the Project Information tab opens e The project name in the Project Name field is suffixed with the word Copy Change this if re
12. likely to have this information On the Windows and Walls dialog box e Enter Window Wall Ratio e Make other changes if required 42 e Finally click OK 8 1 4 Shading The overhangs on a building can reduce solar gains The inputs for both horizontal shading devices and vertical fins that extend out of a building can be provided in the tool HORIZONTAL SHADING OVERHANGS VERTICAL SHADING FINS Extension fram Building Distance Above Window Building Interior Height of Window Building Exterior Building Interior Extension from Building Interval Between Fins Building Exterior Horizontal Shading dl Horizontal Shading Extension From Building Distance Above Window Height of Window Transparency e Select Horizontal Shading check box to enter its details Ki See the illustration above to understand the input fields e Enter the following details The extension in meters of the overhang from the building The distance in meters of the overhang from the window The height in meters of the windows The transparency of the horizontal shading e f required make other changes on the Windows and Walls dialog box e Finally click OK 43 Vertical Shading dl Vertical Shading Extension From Building Interval Between Fins Transparency e Select Vertical Shading check box to enter its details Ki See the illustration above to understand the input fields e E
13. load power density and building occupancy Schedules can have a large impact on energy consumption The user needs to specify weekday Monday Friday and weekend Saturday and Sunday operations in each schedule ECOnirman WBP Tool simulates the Proposed Design and the Standard Design with identical schedules Click Edit corresponding to a space type to edit its operating schedules The Edit Space Type dialog box appears Click the Schedules tab Edit Space Type Open Office x Lighting Loads Thermal Comfort Schedules Season ROMEO ST v New Weekday Weekend a Lighting a Plug Load Y Process Load 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Hours of Day 31 Season Select a season from the drop down menu Regular Default is the default season which cannot be deleted To create a new season click New The Add New Season dialog box appears Add New Season ES OO WE e Enter the name of the season e Define the period start and end months days e Click OK To edit a season select it from the drop down menu and click Edit The Edit Season dialog box appears Edit Season Mame Winter Nov Feb MC Make the changes and click OK To delete a season select it from the drop down menu and click Delete A confirmation dialog box appears 32 Delete Confirmation bd Are you sure you want to delete this Season Click OK to delete the season The season
14. of the building Conformance with the ECBC can be achieved by meeting or exceeding the specific levels described for each individual element of the building systems Tip O keter to ECOnirman Prescriptive Tool User Manual available online at http eetools in ECOnirman_Prescriptive_UserManual pdf amp to assess conformance using the Prescriptive Method 2 2 3 Whole Building Performance Method The Whole Building Performance WBP Method offers considerable design flexibility and allows for conformance with the ECBC to be achieved by optimizing the energy used by various components and systems in order to find the most effective solution The WBP Method requires the use of an energy simulation software approved by the Authority Having Jurisdiction to simulate and compare energy use of the Proposed Design and the Standard Design of the building Appendix B of the ECBC prescribes the protocol for developing a computer based model for the purpose of energy simulation of the Proposed Design and the Standard Design of the building Energy consumption of the Standard Design is the upper limit of energy use allowed for that particular building that meets all the prescriptive requirements applicable to that building The conformance is achieved if the energy consumption of the Proposed Design is no greater than the energy consumption of the Standard Design The following are the basic steps involved e Design the building with energy efficiency measu
15. spaces attics and parking garages with natural or mechanical ventilation are not considered as enclosed spaces Click Edit corresponding to a space type to edit its thermal comfort details The Edit Space Type dialog box appears Click the Thermal Comfort tab Edit Space Type Open Office x Lighting Loads Thermal Comfort Schedules People Max Density m person Sensible Heat Gain W person Latent Heat Gain W person Space Conditioned Thermostat Settings Ventilation Requirements Heating Cooling e People Requirement m s person Add Space Vent Requirement Occupied 18 l Gi ASHRAE 62 requirement m s m2 Unoccupied 8 Humidity Control Minimum Air Changes _ Maximum 0 Ki Unoccupied 0 _ Minimum 0 Ki Occupied gt 0 e Define people related details Tip Ki Leave the defaults in place if this information is not available e Define conditioned space details optional such as thermostat settings humidity control and ventilation requirements 30 A It is important to replace these defaults with the inputs that match the actual building design in order to get the correct simulation results for conformance e Click OK to set the thermal comfort 7 1 5 Schedules Schedules are used to define an hour by hour value that represents the percentage of the maximum internal load It applies to lighting power density miscellaneous equipment plug load or process
16. AC Zone is a space or group of spaces within a building with heating and cooling requirements that are sufficiently similar so that the desired conditions for example temperature can be maintained throughout using a single sensor such as thermostat or temperature sensor A zone represents an area catered to by one air conditioning unit With the help of zoning building plans are simplified to reduce the modeller s work Normally usage pattern set point temperature and other conditions are identical within one zone The building spaces that would experience similar heating and cooling loads are generally grouped under one zone ECOnirman WBP Tool lists all the resulting zone types for each space type and allows assigning different HVAC systems to them individually or as a group for an entire space type This allows the user to appropriately assign different HVAC systems to the perimeter zones and the core zones and different HVAC systems to different perimeter zones This sub tab is used to assign HVAC systems to different space types or zones 55 E CO nirman Whole Building Performance Project Centre 2 Project Information Building Use Space Type Assignment Assign ts weg gt Enclosed Office gt Circulation Envelope Return to Project List Conformance Check Area Unconditioned Central CAV Central VAV 1303 1153 gt Mechanical Electrical Room gt Storage gt Medium Conference Room Restrooms
17. C slab U factor 17 39 150mm RCC slab 104mm XPS underdeck insulation U factor 1 48 150mm RCC slab 125mm XPS overdeck insulation U factor 1 25 150mm RCC slab 125mm XPS underdeck insulation U factor 1 25 150mm RCC slab 150mm XPS overdeck insulation U factor 1 05 H 150mm RCC slab 150mm XPS underdeck insulation U factor 1 05 150mm RCC slab 50mm EPS overdeck insulation U factor 3 46 150mm RCC slab 50mm EPS underdeck insulation U factor 3 46 150mm RCC slab 50mm XPS overdeck insulation U factor 2 85 150mm REC slab 50mm XPS underdeck insulation U factor 2 85 150mm RCC slab 65mm EPS underdeck insulation U factor 2 32 150mm RCC slab 75mm EPS overdeck insulation U factor 2 47 150mm RCC slab 75mm EPS underdeck insulation U factor 2 47 150mm RCC slab 75mm XPS overdeck insulation U factor 2 01 150mm RCC slab 75mm XPS underdeck insulation U factor 2 01 Customized Roof Assembly To add a customized assembly click Add Custom The Custom Roof Material dialog box appears Custom Roof Material x Mame 150mm RCC slab 150mm U factor 1 06 Wim K TTT e Enter the name of the customized assembly e Enter the corresponding U factor Y This is an assembly U factor that includes the effect of air film on both sides of the wall this value is not always calculated as the sum of the thermal resistance properties of the wall layers If required consult the insulation or building material manufacturer and
18. CH Click EI or El to navigate to the previous or the next calendar month respectively e Finally click Apply Filter to set the filter Only the projects within the defined date range get listed e Ki Select No Filter radio button to remove the set filter 6 Project Information The Project Information tab opens upon clicking New Edit or Copy on the Projects page The tab comprises of two sub tabs on the left side that are explained in the following sub sections certain input fields get customized across the tool according to the details entered under these sub tabs 6 1 General This sub tab is used to capture the name location and basic information of the building A lt is important to enter correct information under this sub tab before proceeding any further Making changes on this sub tab after providing inputs elsewhere in the tool will reset the defaults for the project All the inputs across the tool will be lost for that project ECO nirman Whole Building Performance Project Centre 2 Return to Project List Project Information Building Use Envelope Conformance Check General Project Information Building Project Name Centre 2 Created Date 9 7 2011 7 48 39 AM Organization IRG ECO III Last Modified 9 7 2011 7 50 33 AM Location Project Address Centre 2 State UT MENA v Mumbai Building Type EZE Total Interior Floor Area Building Occupancy MENTES v Number of Floors Floor to Floor Height
19. Captured Building Summary Address type area location climate ECBC conformance summary Building Use Internal loads and thermal comfort settings with schedules for different space types Building Envelope Building envelope design inputs HVAC Proposed HVAC system inputs Design Details Mandatory List of mandatory requirements with responses Requirements Performance Rating Energy consumption by end use for the Proposed Design Energy Consumption Energy consumption by energy fuel type for the Proposed ae Design and the Standard Design HVAC Assignments HVAC assignments to different space types 61 11 Appendix A Definitions and Acronyms 11 1 Definitions The following are certain relevant definitions from the ECBC 2007 Boiler a self contained low pressure appliance for supplying steam or hot water Building envelope the exterior plus the semi exterior portions of a building Coefficient Of Performance COP cooling the ratio of the rate of heat removal to the rate of energy input in consistent units for a complete refrigerating system or some specific portion of that system under designated operating conditions Coefficient Of Performance COP heating the ratio of the rate of heat delivered to the rate of energy input in consistent units for a complete heat pump system including the compressor and if applicable auxiliary heat under designated operating conditions Daylighted area the daylight illumin
20. ECO nirman Whole Building Performance USER MANUAL ENERGY IS LIFE FROM THE AMERICAN PEOPLE USAID INDIA CONSERVE IT This page is intentionally left blank ECOnirman Whole Building Performance USER MANUAL september 2011 ECOnirman Whole Building Performance USER MANUAL Developed by USAID ECO III Project International Resources Group 2 Balbir Saxena Marg Hauz Khas New Delhi India Project Guidance USAID India Archana Walia Development Team International Resources Group USAID ECO III Supporting Partners Technical Consultants Vikas Arora SCH Project Shruti Narayan Bureau of Energy Efficiency y Aalok Deshmukh Lata lyer Ajay Mathur Sanyogita Manu Sanjay Seth Bibhash Das Shabnam Bassi ni Harshitha Raju Girja Shankar S Satish Kumar Brijesh Manan The Weidt Group Inc Software Design Prasad Vaidya John Melchert Vinay Ghatti Phil Davis Chris Oace Paul Welter Dave Killion John Cherba Chris Baker Claire Stenroos Mark Bergass Michele Smeaton Alex Fritz The development of ECOnirman Whole Building Performance Tool and this User Manual are made possible by the support of the American People through United States Agency for International Development USAID under the terms of Award No 386C 00 06 00153 00 Both are the sole responsibility of International Resources Group and do not necessarily reflect the views of USAID or the United States Government How to use this m
21. Energy Simulation tip sheet available at http eco3 org file_id 11 amp to learn more about building energy simulation 3 ECOnirman Whole Building Performance Tool ECOnirman Whole Building Performance Tool is an energy simulation software provided by BEE to assist architects and engineers in assessing the conformance of their buildings with the ECBC using the WBP Method It is a web based tool that is made available to the users over the Internet with minimal software requirements building science or simulation expertise With minimal learning involved a user having knowledge equivalent to that of a fifth year architecture student with access to about one hour of HVAC engineer s time can use the tool to demonstrate conformance with the ECBC A total of 1 294 city locations in India are represented in the tool It has 46 weather files Each city location and weather file has been assigned to the climate zone that it falls within on the basis of Geospatial Information System GIS mapping of the climate zones and the cities When a city location for the building is chosen the tool finds the closest available weather file within the same climate zone This weather file is selected for the simulation The tool requires inputs about the building from the user Based on the inputs it runs simulation of the Proposed Design and the Standard Design as per Appendix B of the ECBC and compares the Energy Performance Intensity EPI of simulation res
22. Lobby Data Center Large Conference Room 450 376 301 150 150 150 75 A combination of perimeter by orientation and core zones are created by the tool depending on the user inputs under the Zoning sub tab 7 2 Assign the system to the space type by selecting the corresponding radio button Click gt adjacent to a space type to expand or collapse the tree structure in order to make HVAC system assignments at a detailed level by perimeter and orientation 96 10 Conformance Check ECOnirman WBP Tool provides the conformance assessment result with a detailed report The information in the report can be used for analysis and subsequent improvement of the building performance This report can also be submitted to the Authority Having Jurisdiction Click the Conformance Check tab to respond to the mandatory requirements of the ECBC run the simulation and view the conformance results The tab comprises of three sub tabs on the left side that are explained in the following sub sections 10 1 Mandatory Requirements This sub tab is used to respond to the questions related to the mandatory requirements of the ECBC to assess a building s conformance E CO nirman Whole Building Performance Project Centre 2 Return to Project List Project Information Building Use Envelope Conformance Check Mandatory Mandatory Requirements Regs Question Simulation Envelope Results Fenestration U Factor Is the U factor for
23. U factor 2 SHGC 0 25 VT 0 2 Double pane 2 Low E reflective UPVC frame sliding U factor 2 57 SHGC 0 18 VT 0 2 e Select the desired assembly e f required make other changes on the Windows and Walls dialog box e Finally click OK Customized Window Assembly To add a customized assembly click Add Custom The Custom Window dialog box appears 41 Custom Window Name Double pane 2 Low E 3 Loy U factor 3 7 W m Solar Heat Gain 0 14 Visible Transmittance 0 14 e Enter the name of the customized assembly e Enter the corresponding glazing assembly U factor O this is not the centre of glass U factor that is listed in the glass manufacturers catalogue To get the U factor of the overall fenestration product contact the glass manufacturer and ask for it based on the average size of the window units e Enter solar heat gain coefficient e Enter visible light transmittance e Click OK The customized assembly gets listed in the drop down list with the word Custom prefixed to it e f required make other changes on the Windows and Walls dialog box e Finally click OK 8 1 3 Window Wall Ratio This is the ratio of the vertical fenestration window area to gross exterior wall area The gross exterior wall area is measured horizontally from the exterior surface it is measured vertically from the top of the floor to the bottom of the roof E OP the HVAC engineer for the building is
24. a centre with high internal loads Therefore during those months when cooling is not available the data centre space may have a number of hours when the space temperature exceeds the cooling set point The tool will report those as hours when cooling load is not met And if those hours exceed the limits allowed by Appendix B of the ECBC the tool will report the building as non conformant because a valid simulation has not been run To resolve this problem make sure that such high load zones needing year round cooling are on separate HVAC systems and that those systems are not selected for seasonal cooling availability Then assign those zones or space types to separate HVAC systems under the Assignments sub tab 9 2 If the building does not have separate systems for such zones then the simulation needs to run with cooling being always available to the building Energy Use and Energy Performance Intensity EPI The energy use and the EPI of the Proposed Design must not exceed that of the Standard Design Otherwise the design will not conform with the ECBC 60 10 3 2 Building Conformance Report Click Report at the bottom of the Results sub tab to generate a detailed Building Conformance Report as a Portable Document Format PDF file Ge Uso 12 2 to understand the settings required on the computer to access the conformance report The following is the composition of the building conformance report Report Section Details
25. age are only on the ground floor they get Ground as the floor affinity Medium Conference is only on the top floor so it gets Top as the floor affinity Perimeter Affinity For each orientation add up the linear exposed length for a space type and enter it in the corresponding cell in the tool On the South face the circulation has 30 m on the first floor and 30 m exposed on the second floor Therefore the perimeter affinity for Circulation on the South is 30 m 30 m 60 m Space Type Floor Affinity North m South m 20 30 20 20 30 30 40 30 oO Offi A 60 ve om fee E a CI IR e AAA ICO tT _ 3 8 Envelope The building envelope refers to the exterior facade and roof and is comprised of Opaque components and fenestration systems Opaque components include walls and roofs fenestration systems include windows and skylights The envelope protects the building s interior and occupants from the weather conditions and shields them from other external factors such as noise and air pollution Envelope design strongly affects the visual and thermal comfort of the occupants as well as the energy consumption of the building Refer to Building Envelope tip sheet available at http eco3 org file_id 19 amp to learn more about envelope In ECOnirman WBP Tool click the Envelope tab to define the windows walls roofs and skylights of a building The tab comprises of two sub tabs on the left side that are e
26. ant is added 50 9 1 2 Edit System To edit a system click Edit adjacent to its name The diagram of the system and its properties appear Air Systems HVAC Air System Air System Inputs System Name Single Zone Volume Control Constant CAV E Air Flow Sizing Autosize kg Max Supply Air Flow l s 0 Use Seasonal Schedule E Cooling Coil emm Source DX gt Configuration Condenser Type Efficiency COP e Specify the following properties customizable inputs of the air system Air System Inputs oa ete e fe fe E Name dg HERE Sizing Maximum Supply Air Flow l s 91 Air System Type Properties Central Central Packaged Packaged Split Through Window Custom Plant Plant VAV Rooftop System wall Unit Inputs VAV Constant CAV System Volume AA E Schedule Cooling Coil Source Heating Coil Source Pom emeng Location la vw vw fw o xe Static 72S RGGE6 Pa Static Pa Outside Air Control DEER Y Y e e Y x x ing Exhaust Air Heat Recovery Terminal Units Includes Reheat After specifying the properties click OK to define the air system Cooling and Heating Availability Schedules The tool gives an option to select seasonal availability of heating and cooling for each individual HVAC system included in the building If the seasonal availability is not selected b
27. anual The following symbols and icons are used in this user manual Section of the user manual Mandatory field Useful tip Caution or warning External web link The text underlined in blue colour is a cross reference within the user manual itself In the soft copy click it to open the section that is cross referenced Table of Contents Us IMTFOQUCUON nic eee ee eee ee es 1 2 KEY CONCCOIS eebe eene 2 2 1 Energy Conservation Building Code ECBO ccoonccconccccncccconcncnnccnnnaconnns 2 2 lel ECBO Be BE 2 22 TEE eegne 2 2 2 1 Mandatory Requirements occcoccccoccccccnconcncnoncnncncnncnonancnncnnnnos 3 2 2 2 Prescriptive Method 3 2 2 3 Whole Building Performance Method 3 Energy Simulation Goftware 4 3 ECOnirman Whole Building Performance Tool ccsssseesesseeees 5 3 1 Modelling Protocol and Default Inputs 5 327 SAN S et a ee et ld o 6 Sie Ferre QUISE E 6 4 TOOL NAVIA ON scesero anseo eaaa Eaa EEES 8 AN MOW O Rei 8 42 Home E LE 9 dd WSOP ACCION E ebsae ce tenicamesheed 10 4 3 1 NEW USET esionentada damente EES 10 4 3 2 Beie EE 11 4 3 3 Retrieve Forgotten Password ocooccoocconcconcnoncnoncnonnnonnnonnnnns 11 4 3 4 Change Password and Update Profile 13 4 3 5 OCF Gr dE 13 95 MANAGES PROC Sii ege gege 14 Bedi A A a 15 5 1 1 Gre ate PrO Odia 15 5 1 2 EIA 16 eee eT et eee er eee err ere errr Ter 15 5 153 Delete Pro e
28. ated floor area under horizontal fenestration skylight or adjacent to vertical fenestration window described as follows e Horizontal Fenestration the area under a skylight monitor or sawtooth configuration with an effective aperture greater than 0 001 0 1 The daylighted area is calculated as the horizontal dimension in each direction equal to the top aperture dimension in that direction plus either the floor to ceiling height H for skylights or 1 5 H for monitors or H or 2H for the sawtooth configuration or the distance to the nearest 1000 mm 42 in or higher opaque partition or one half the distance to an adjacent skylight or vertical glazing whichever is least as shown in the plan and section figures below 62 Vertical Fenestration the floor area adjacent to side apertures vertical fenestration in walls with an effective aperture greater than 0 06 6 The daylighted area extends into the space perpendicular to the side aperture a distance either two times the head height of the side aperture or to the nearest 1 35 m 54 in or higher opaque partition whichever is less In the direction parallel to the window the daylighted area extends a horizontal dimension equal to the width of the window plus either 1 m 3 3 ft on each side of the aperture the distance to an opaque partition or one half the distance to an adjacent skylight or window whichever is least 63 Luminareies in Daylighted Area Tm or to nea
29. ble heat load to space 00 Latent heat load to space 00 Process Load Source J Natural Gas _ Chilled Water _ Hot Water Other non utility fuel Define the plug and process loads O Enter the Plug Loads power density for the equipment that is plugged into the electrical outlets For equipment that uses forms of energy other than electricity and release heat into the space type enter the Process Loads Sensible heat load to space is the cooling load caused by heat added to the space that causes the air temperature in that space to rise Latent heat load to space is the cooling load caused by adding moisture to the air in that space Ti Both these loads are percentages of the total process load and the sum of both cannot exceed 100 percent The sum may be less than 100 percent for example part of the load may be directly exhausted from a kitchen Finally click OK to set the loads 29 7 1 4 Thermal Comfort According to Appendix A of the ECBC the floor area of a building is categorized as following e Conditioned space This is a cooled space heated space or directly conditioned space in the building e Semi heated cooled space This is an enclosed space within a building that is heated by a heating system whose output capacity is greater than or equal to 10 7 W m2 of floor area but is not a conditioned space e Unconditioned space This is neither conditioned space nor semi heated Space Crawl
30. e Check N NEEN ENER EN EN ENNEN REN EN ENEE K REN ENEE 57 10 1 Mandatory Heourements 57 EE de EE 58 SP A 59 10 3 1 Interpreting the Hesulte 59 Meeting Me Ever e Siesta dia dei 59 Energy Use and Energy Performance Intensity EPI 60 10 3 2 Building Conformance Heport 61 11 Appendix A Definitions and ACronymS 0cconncconccconoccnnnncnnanennannnnanennanos 62 Tite Domnonea Grant calenaten Gaaw nal ene ten Gert ne ene tne Gout ne ene tae Gane ae vece lee Gaal 62 UE OF ee E 68 12 Appendix B Computer Settings ccoonccconnciconocinnnnccnnnnconanononanorenannnnnans 71 Peale VVC DHS AAA TE T 71 12 2 GOMOMMaAnCe REDONS uereg 72 1 Introduction The Ministry of Power Government of India under the provision of the Energy Conservation Act 2001 launched the Energy Conservation Building Code ECBC in May 2007 Since then the Bureau of Energy Efficiency BEE has been promoting the implementation of the ECBC through several capacity building programs United States Agency for International Development USAID supported Energy Conservation and Commercialization Phase ECO III Project has been working closely with BEE on these initiatives and has developed ECBC User Guide and ECBC Tip Sheets 8 2 1 1 for raising awareness on the ECBC among the stakeholders During these capacity building efforts a strong need was felt to assist architects and engineers at the design stage so that they are able to assess
31. ear UPVC frame sliding U factor 3 12 SHGC 0 42 VT 0 44 NOTE These fenestration properties are calculated using WINDOW THERM and Optics software tools as part of a study done by CSEE CEPT University Add Custom Window Wall Ratio _ Horizontal Shading _ Vertical Shading Extension From Building n Extension From Building Distance Above Window 0 n Interval Between Fins Height of Window m Transparency 0 0 Transparency Apply Selection To Ljan WIN LJE Lis LJIW The changes made for a direction for example north can be replicated for other direction s east south west by selecting the relevant check boxes at the bottom of the Windows and Walls dialog box Apply Selection To All WIJN LI S Ww The following sub sections explain how to edit the details of windows and walls 39 8 1 1 Wall Construction To change Wall Construction click to view the drop down list of wall assemblies Wall Construction 100mm REC 75mm EPS interior insulation U factor 2 5 100mm RCC U factor 20 66 100mm RCC 50mm EPS exterior insulation U factor 3 57 100mm RCC 50mm EPS interior insulation U factor 3 51 100mm RCC 50mm XPS extenor insulation U factor 2 92 100mm RCC 50mm XPS interior insulation U factor 2 88 De 100mm RCC 75mm EPS exterior insulation U factor 2 53 100mm RCC 75mm EPS interior insulation U factor 2 5 115mm Brick masonry U factor 16 07 115mm Brick mason
32. ed in 1024x768 or higher screen resolution e For security reasons logout of the tool after each session 12 1 Web Browser e ECOnirman WBP Tool works with all the popular web browsers It is recommended to use the latest versions of the web browsers for an optimal experience e It takes some time for the tool to load in the web browser for the first time The loading time reduces subsequenily e JavaScript must be enabled in the web browser e The web browser must be set to accept cookies e lf the web browser has a provision add http econirmanwbp eetools in amp as a trusted site 71 12 2 Conformance Reports All conformance reports are generated as Portable Document Format PDF files Therefore Adobe Reader version 6 0 or higher must be installed on the computer to view these reports Adobe Reader can be downloaded free of cost from http get adobe com reader consult the System Administrator for assistance if required A conformance report opens in a different pop up window Itis imperative to allow the pop ups to open in the web browser The report will not open if the pop ups are blocked Pop up settings in the third party toolbar if installed also need to be changed accordingly Wait for the report to open Do not immediately close the new window that pops up 12 This page is intentionally left blank This page is intentionally left blank This page is intentionally left blank
33. explained in the following sub sections 48 certain input fields get customized across the tool according to the details entered under these sub tabs 9 1 Systems This sub tab is used to add new HVAC systems and edit them The default system that appears will be modelled in the Standard Design If this is the system in the Proposed Design then edit its inputs To change the systems to match the Proposed Design add other systems 8 9 1 1 to match those in the building and delete the default system shown by the tool 9 1 3 E CO nirman Whole Building Performance Project Centre 1 Return to Project List Project Information Building Use Envelope Conformance Check Systems Central Plant CAV Cooling Plant Edit Settings Y Hot Water Service select Hot Water Service under Settings at the bottom of the page if the building has water heating facility 49 9 1 1 Add System Click Add to add a new system The Add HVAC Air System dialog box appears Add HVAC Air System x Air System Type MAA AN Central Plant VAY Central Plant Const Vol Packaged VAV Packaged Rooftop CAV Split system Through wall system Window unit e Select the system from Air System Type drop down menu e Click OK The system gets listed under Air Systems To B Central CAV CentralCAw Single Zone SingleZone cooling Plant and or Heating Plant are added by the tool automatically if a system with a pl
34. gets delisted from the drop down menu Days Toggle between Weekday Monday Friday and Weekend Saturday and Sunday tabs to view the corresponding schedules Schedule The schedule is plotted for the following four categories e Occupancy e Lighting e Plug Load e Process Load Select a category to view its pattern during the 24 hours of the day E be z E Lighting 5 eee OO SO Plug Load o 1 2 3 4 5 6 7 8 a 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Hours of Day 33 The selected category is represented by a solid line whereas the other three are represented by dotted lines Tip e Select hour based data point s and drag the mouse pointer to change the pattern e Click Select All to select all the data points all 24 hours e Click Unselect All to unselect the selected data point s e Select hour based data point s and right click on the mouse A context menu appears Match to schedule E Lighting WW Plug Load M Process Load 05o 100 Custom Percentage Select a category under Match the schedule to match the selected hour based data point s to that category s hour based data point s Select 0 to set the selected hour based data point s to 0 select 100 to set the selected hour based data point s to 100 select Custom Percentage to define a customized percentage for the selected hour based data point s 34 7 2 Zoning This sub tab is used to provide the infor
35. http eco3 org file_id 1 amp 2 1 1 ECBC Tip Sheets The ECBC tip sheets created by ECO III Project help in understanding the implications of the ECBC on different building components The following four tip sheets are available for reference e Energy Simulation http eco3 org file_id 11 Er e Building Envelope http eco3 org file_id 19 amp e Building Lighting Design http eco3 org file_id 20 amp e HVAC System http eco3 org file_id 25 amp 2 2 ECBC Conformance The Bureau of Energy Efficiency s intention is to facilitate the design and construction of the buildings conforming with the ECBC in India The conformance process has been made flexible enough to help designers and architects in meeting the ECBC requirements Conformance with the ECBC can be achieved by meeting the mandatory requirements in the ECBC in addition to either meeting the prescriptive requirements using the Prescriptive Method 2 2 2 or meeting the requirements in the Whole Building Performance Method 2 2 3 2 2 1 Mandatory Requirements The conformance procedure requires the building to fulfil a set of mandatory provisions related to energy use as well as demonstrate conformance with the specified requirements stipulated for the different building components and systems 2 2 2 Prescriptive Method The Prescriptive Method of conformance specifies prescribed minimum energy efficiency parameters for various components and systems
36. ing on how efficiently the air side systems and central plant operate Proven technologies and design concepts can be used to build efficiencies in the systems and generate significant energy and cost savings An optimal HVAC design considers all the interrelated building systems while addressing indoor air quality thermal comfort energy consumption and environmental benefits HVAC systems broadly comprise of Air Systems Cooling Plant and Heating Plant The following is the list of HVAC systems Name Characteristics Central Plant VAV Central Variable Air Volume VAV AHU with cold and hot water loops from a central chiller and a boiler plant Central Plant Constant Central constant volume reheat AHU with cold and hot Volume water loops from a central chiller and boiler plant Packaged Rooftop CANT Packaged constant volume system with DX coil Split system Split systems high wall or cassette type Through wall system Mounted through the wall typically in hotels Unitary window mounted units Packaged VAV Packaged VAV system with direct extension DX coil t This is a single zone system where each thermal zone will be assigned a separate system Refer to HVAC System tip sheet available at http eco3 org file_id 25 to learn more about HVAC In ECOnirman WBP Tool click the HVAC tab to define HVAC systems and assign them to different space types or zones The tab comprises of two sub tabs on the left side that are
37. le thermostat settings and ventilation rates E CO nirman Whole Building Performance Project Centre 2 Return to Project List Project Information Building Use Envelope Conformance Check Space Use Building Space Use Zoning Allocated Total Square Meters 7500 7500 v OK 14 0 mie located Plug Loads People A Edit Open Office 2625 12 9 131 9 DefinedFl Enclosed Office 1875 S i 131 9 DefinedF Circulation 1350 E A a 131 9 DefinedF Edit Mechanica Electrical Room i e 131 9 NA Edit Storage 131 9 NA EN Medium Conference Room R 117 2 DefinedF Edit Data Center E A i 117 2 DefinedF Lobby 131 9 DefinedF EN Restrooms E E 131 9 NA Edit Large Conference Room 117 2 DefinedFl gt 26 Some space types are defaulted to be unconditioned which can be modified Unconditioned zones are modelled identically in the Standard Design and the Proposed Design models The following is the modelling method e All unconditioned thermal zones have their cooling set points as 50 C and heating set points as 8 C e All unconditioned thermal zones are assigned to one air handling unit AHU Thus the cooling and the heating for the AHU with unconditioned zones are not activated by the simulation engine in the simulation run 7 1 1 Area Allocation Against each space type enter the area to be allocated to it under the Allocated Area m column A The total area allocated to all space types must be equal to the To
38. lone and does not include building materials or air films Roof the upper portion of the building envelope including opaque areas and fenestration which is horizontal or tilted at an angle of less than 60 from horizontal Roof area gross the area of the roof measured from the exterior faces of walls or from the centerline of party walls Single zone system HVAC system serving a single HVAC zone Skylight roof ratio SRR the ratio of the total skylight area of the roof measured to the outside of the frame to the gross exterior roof Solar Heat Gain Coefficient the ratio of the solar heat gain entering the space through the fenestration area to the incident solar radiation Solar heat gain includes 65 directly transmitted solar heat and absorbed solar radiation which is then reradiated conducted or convected into the space Standard Design A computer representation of a hypothetical design based on the actual proposed design as per Appendix B of the ECBC Thermal block a collection of one or more HVAC zones grouped together for simulation purposes Spaces need not be contiguous to be combined within a single thermal block U factor Thermal Transmittance heat transmission in unit time through unit area of a material or construction and the boundary air films induced by unit temperature difference between the environments on each side Units of U are W m C Btu h ft F Variable Air Volume system HVAC syste
39. m that controls the dry bulb temperature within a space by varying the volumetric flow of heated or cooled supply air to the space Wall portion of the building envelope including opaque area and fenestration that is vertical or tilted at an angle of 60 from horizontal or greater This includes above grade and below grade walls between floor spandrels peripheral edges of floors and foundation walls e wall below grade that portion of a wall in the building envelope that is entirely below the finish grade and in contact with the ground e wall above grade a wall that is not below grade Wall area gross the overall area off a wall including openings such as windows and doors measured horizontally from outside surface to outside service and measured vertically from the top of the floor to the top of the roof If roof insulation is installed at the ceiling level rather than the roof then the vertical measurement is made to the top of the ceiling Note that ECBC Section 4 3 1 does not allow roof insulation to be located on a suspended ceiling with removable ceiling panels The gross wall area includes the area between the ceiling and the floor for multi story buildings 66 Parapet Parapet Insulation in roof f T E S Ceiling amp Insulation at Celling S E E a OH 3 Q 5 E E Unconditioned Unconditioned space Space Window Wall Ratio the ratio of vertical fenestration area to gross exterior wall area Gross exteri
40. mation to generate the thermal zones of the building ECOnirman WBP Tool uses the building geometry shapes dimensions and orientations the specified space types and zoning affinities to create the zones for both the Proposed Design and the Standard Design models In ECOnirman WBP Tool click the Zoning sub tab to define the zones E CO nirman Whole Building Performance Project test2 Return to Project List Project Information Building Use Envelope Conformance Check Space Use Building Zoning Apply Defaults Zoning For spaces on the top or ground floor select the Floor Affinity For spaces on the perimeter enter the length occupied by a space type along the perimeter wall by building orientation See Help for additional explanation and examples T 4 el p Ground v p gt el b el lt lt 4 4 Mechanical Electrical Room Storage E kl lt 4 Medium Conference Room ZE 3 lt E lt 4 4 o Data Center 4 e ha Perimeter Request m 223 6 223 6 223 6 Perimeter Available m 223 6 223 6 223 6 A The pre populated perimeter lengths are provided for convenience only It is important to provide the inputs that represent the actual building to create the zones correctly 35 7 2 1 Floor Affinity Select Floor Affinity Any Ground Top for a space type from the drop down menu adjacent to it e Any This sets the zone s of the space type be placed on any floor within
41. ng shape in the center of the page changes dynamically in proportion to the customized dimensions Size and Orientation 23 The following are certain examples of building shapes derived by modifying the dimensions 24 6 2 3 Building Orientation The orientation of the building can be defined by rotating the building clock wise at 45 intervals To rotate click the white arrow and simultaneously drag the mouse pointer clock wise Size and Orientation The building can be oriented in the following eight cardinal ordinal directions e North e North East e East e South East e South e South West e West e North West 25 T Building Use In ECOnirman WBP Tool click the Building Use tab to define space use and zoning The tab comprises of two sub tabs on the left side that are explained in the following sub sections certain input fields get customized across the tool according to the details entered under these sub tabs 7 1 Space Use This sub tab is used to define the area allocated to each space type and the corresponding loads lighting details thermal comfort and operating schedules A key task in modelling the Proposed Design is assigning space use classifications to different areas of the building These classifications are used to assign lighting power density assumptions and to differentiate areas within the building that may have different operating schedules and characteristics for examp
42. nges The current project has not been saved You need to save the project before you can run the simulation Would you like to save the project now Cam IC Click Yes to save A It is imperative to save the project before running the simulation Any unsaved project details under the tabs sub tabs will be otherwise lost The simulation starts E CO nirman Whole Building Performance Project Centre 2 Return to Project List Project Information Building Use Envelope Conformance Check Mandatory Simulation Regs e Elapsed Time 57 seconds Status Full Simulation Started Issues 58 The progress bar time elapsed status of the simulation and issues encountered if any are displayed 10 3 Results This sub tab is used to view the results of the simulation at the end of the run E CO nirman About Help Whole Building Performance Project Centre 2 Return to Project List Project Information Building Use Envelope Conformance Check Mandatory Conformance Results Regs Simulation Proposed Design Standard Design Difference Results Number of hours any zone outside of throttling range 0 0 0 Number of hours any plant load not satisfied 0 0 10 3 2 e of ECBC Satisfied Yes Annual Energy Use kWh yr 2 887 036 2 805 992 75 81 043 25 EPI kwWh yr m2 384 94 374 13 10 81 Mandatory Requirements have been satisfied Proposed EPI is less than or same as Standard Building is in Conformance wi
43. nter the following details The extension in meters of the overhang from the building The interval in meters between the fins The transparency of the vertical shading e f required make other changes on the Windows and Walls dialog box e Finally click OK 44 8 2 Roofs and Skylights This sub tab is used to define the construction of building roofs the skylight roof ratio SRR and the roof reflectivity ECO nirman Whole Building Performance Project Centre 2 Return to Project List Project Information Building Use Envelope Conformance Check Windows Roofs and Skylights and Walls Roofs and Roof Construction 150mm RCC slab 65mm EPS underdeck insulation U factor 2 32 NOTE All assemblies listed here include 75mm external cement sand render and 12mm internal cement plaster or screed plaster with insulation wherever applicable Add Custom Skylights Skylight Roof Ratio 0 25 Roof Reflectivity 0 8 The following sub sections explain how to edit the details of roofs and skylights 8 2 1 Roof Construction To change Roof Construction click to view the drop down list of roof assemblies and select the desired one 45 Roof Construction 150mm REC slab 65mm EPS underdeck insulation U factor 2 32 100mm RCC slab 75mm EPS underdeck insulation U tactor 2 5 100mm RCC slab 75mm XPS overdeck insulation U factor 2 03 100mm REC slab 75mm XPS underdeck insulation U factor 2 03 150mm RC
44. ool home page Currently logged in as Not logged in ECO nirman Whole Building Performance User Name Email irgeco3 gmail com Password o Login a Request Login Forgot Password EE La D Click About to view the tool version and credits click Help to view this user manual Enter the user credentials and click Login to assess if a building and its components conform with the ECBC using the WBP Method see 4 3 2 Click Request Login to register as a new user see 4 3 1 Click Forgot Password to retrieve a forgotten password see 4 3 3 4 3 User Account This section explains how to create a new user account log into the tool retrieve a forgotten password update user profile and change a password 4 3 1 New User Click Request Login on the home page to register as a new user The Request Login dialog box appears Request Login Email irgeco3 qmail com Password seseeneee Confirm Password eesessese Full Name Firstname Lastname Company Name IRG ECO ITI Job Title Architect Industry Energy as Return to Login Forgot Password e Entera valid e mail address e Enter a desired password and confirm it Ki The password is case sensitive e Enter name and other details e Click Submit to create the user account e The Projects page opens See 5 to learn how to manage projects A lf an e mail address is unavailable or invalid a message appears at the
45. or wall area is measured horizontally from the exterior surface it is measured vertically from the top of the floor to the bottom of the roof Zone HVAC a space or group of spaces within a building with heating and cooling requirements those are sufficiently similar so that the desired conditions for example temperature can be maintained throughout using a single sensor such as thermostat or temperature sensor 67 11 2 List of Acronyms The following is the list of relevant acronyms ASHRAE American Society of Heating Refrigerating and Air Conditioning Engineers Bureau of Energy Efficienc Bureau of Indian Standards Btu h ft F British thermal units per hour per square foot per degree Fahrenheit cm Centimeter Centimeter S Energy Conservation Measure Energy Factor Energy Performance Intensity Fahrenheit Foot Geospatial Information System Hour h ft F Btu Hour per square foot per degree Fahrenheit per British thermal unit Hour per square meter per degree Celsius per Waitt Heat capacity hp Horsepower High Speed Diesel HSD High Speed Deeg CA Integrated part load value International Resources Group ISHRAE Indian Society of Heating Refrigeration and Air conditioning Engineers Lighting efficacy in Lumen LPD Lighting Power Density Meter Square meter mm Millimeter Portable Document Format Projection factor Packaged Single Zone PTAC Packaged Terminal Air Conditioner R value thermal
46. overall fenestration including the sash and frame determined in accordance with ISO 15099 as specified in Appendix C 511 by an accredited independent laboratory and Yes _ No _ NA labeled and certified by the manufacturer or other responsible party Is the U factor for sloped glazing and skylights determined at a slope of 20 degrees above the horizontal Y Yes _ No _ NA Is the default table in Appendix C 11 used for determining the fenestration properties of unrated products SHGC Vi Yes _ No _ NA Is the SHGC determined for the overall fenestration product including the sash and frame in accordance with ISO 15099 as specified in Appendix C 11 by an accredited independent I Yes _ No _ NA laboratory and labeled and certified by the manufacturer or other responsible party Air Leakage Is Air Leakage for glazed swinging entrance doors and revolving doors less than 5 0 l sm2 Y Yes _ No _ NA the responses to all the mandatory requirements have to be either Yes or not applicable NA for the building to conform with the ECBC The building will be non conformant if the response to even one mandatory requirement is No 57 10 2 Simulation This sub tab is used to run the simulation for the Proposed Design vis a vis the Standard Design to assess conformance of the building with the ECBC Click Run to initiate the simulation A dialog box appears to save the project if there are unsaved cha
47. quired e Click Save at the top right corner of the page Currently logged in as irgeco3 gmail com ECO nirman wem Whole Building Performance Project Centre 2 Copy Return to Project List Project Information Building Use Envelope Conformance Check General Project Information Building Project Name entre 2 Copy Created Date 8 24 2011 2 09 25 PM Organization IRG ECO III Last Modified 8 24 2011 2 09 25 PM Location Project Address Centre 2 State UT Wilde z Mumbai Building Type Total Interior Floor Area Building Occupancy MENTA v Number of Floors Floor to Floor Height A copy of the project is created with all the information from the original project retained as is 16 5 2 Filter Project List The projects in the list can be filtered to view only the relevant ones This feature is particularly useful as the number of projects increase and the list gets bigger 3 11 2011 ka 17 9 2011 ifs Apply Filter The following two date filters are available Last Modified Date The date on which an existing project was last modified Creation Date The date on which a new project was created e Select the radio button corresponding to the desired date filter e Define the date range To set the start date click corresponding to Start Select the date from the calendar that appears To set the end date click corresponding to End Select the date from the calendar that appears
48. res the prescriptive approach requirements provide a good starting point for the development of the design e Meet the applicable mandatory requirements of the ECBC e Simulate the energy use of the building using the software approved by the Authority Having Jurisdiction This is to be done by following the protocol in Appendix B to simulate the Proposed Design and the Standard Design e Compare the simulated energy use of the Proposed Design and the Standard Design lf the energy consumption of the Proposed Design is no greater than the energy consumption of the Standard Design the building conforms with the ECBC Energy Simulation Software The use of energy simulation software is necessary to show conformance with the ECBC using the WBP Method Energy simulation is a computer based analytical process that helps building owners and designers to evaluate the energy performance of a building before it is built and operated The energy simulation software can model the thermal visual ventilation and other energy consuming processes taking place within the building to predict its energy performance The software takes into account the building geometry and orientation materials facade design and characteristics climate indoor environmental conditions occupant activities and schedules Heating Ventilation and Air Conditioning HVAC lighting system and other parameters to simulate the energy performance of the building Ki Refer to
49. resent the building to be assessed for conformance keep the inputs easy five typical building plan shapes are provided in the tool see 6 2 1 A shape can be customized by modifying the building dimensions see 6 2 2 Also the orientations can be defined at 45 increments by rotating the shape see 6 2 3 20 6 2 1 Building Shape Select the shape of the building from the available five options Building Shape 21 6 2 2 Building Dimensions The dimensions are displayed on the basis of the selected building shape Change the values to customize the dimensions A If the calculated area while customizing the dimensions does not reconcile with that defined under the General sub tab 6 1 a warning icon is displayed Building Dimensions To resolve e Hover the mouse pointer over the A icon to read the warning message It displays Total Building Area Specified and Building Area Calculated from Dimensions The building dimensions entered below result in a calculated total building area that is significantly different than the specified total building area specified under the General tab Please check your entries le Total Building Area Specified 7500 Building Area Calculated from Dimensions 6137 6 e Assess the variance 22 e Make appropriate corrections so that the area calculated from the dimensions matches with that defined under the General sub tab 6 1 the buildi
50. resistance RHFS Reheat Fan System Indian Rupees Shading Coefficient SHGC Solar Heat Gain Coefficient SHWP Service Hot Water and Pumping Standby loss 69 SRR Skylight roof ratio TR Tons of Refrigeration TWGI The Weidt Group Inc Visible Light Transmission Waitt We Watt Window Wall Ratio 70 12 Appendix B Computer Settings ECOnirman WBP Tool is a web based rich Internet application RIA that has characteristics of a desktop application It runs on a standard web browser and communicates with a web service where the building model is built in the cloud Internet The energy simulation also runs in the cloud using the DOE2 1E engine As a result no special software needs to be installed on the computer Additionally the following are updated automatically e Tool features e Default inputs in the tool e Energy modelling protocols e The ECBC revisions impacting the simulation Unlike traditional applications the tool runs much faster without using much connectivity bandwidth as a result of minimal data exchange with the servers The following are the system settings and recommendations to use the tool e Microsoft Silverlight should be installed on the computer Silverlight can be downloaded free of cost from www silverlight net ls consult the System Administrator for assistance if required e No other plug in or simulation software is required to use the tool e The tool is best view
51. rest opaque partition Economizer air a duct and damper arrangement and automatic control system that together allow a cooling system to supply outdoor air to reduce or eliminate the need for mechanical cooling during mild or cold weather Economizer water a system by which the supply air of a cooling system is cooled indirectly with water that is itself cooled by heat or mass transfer to the environment without the use of mechanical cooling Fenestration all areas including the frames in the building envelope that let in light including windows plastic panels clerestories skylights glass doors that are more than one half glass and glass block walls e Skylight a fenestration surface having a slope of less than 60 degrees from the horizontal plane Other fenestration even if mounted on the roof of a building is considered vertical fenestration e Vertical fenestration all fenestration other than skylights Trombe wall assemblies where glazing is installed within 300 mm 12 in of a mass wall are considered walls not fenestration Fenestration area total area of the fenestration measured using the rough opening and including the glazing sash and frame For doors where the glazed vision area is less than 50 of the door area the fenestration area is the glazed vision area For all other doors the fenestration area is the door area HVAC system the equipment distribution systems and terminals that provide either
52. ry 50mm EPS exterior insulation U factor 3 4 115mm Brick masonry 50mm EPS interior insulation U factor 3 4 115mm Brick masonry 50mm XPS exterior insulation U factor 2 81 115mm Brick masonry 50mm XPS interior insulation U factor 2 81 115mm Brick masonry 7imm XPS interior insulation U factor 2 1 115mm Brick masonry 75mm EPS exterior insulation U factor 3 4 115mm Brick masonry 75mm XPS interior insulation U factor 2 200 AAC block masonry U factor 2 8 e Select the desired assembly e f required make other changes on the Windows and Walls dialog box e Finally click OK Customized Wall Assembly To add a customized assembly click Add Custom The Custom Wall Material dialog box appears Custom Wall Material x Name 100mm REC U factor 16 8 Wim OCIO e Enter the name of the customized assembly e Enter the corresponding U factor Y This is an assembly U factor that includes the effect of air film on both sides of the wall this value is not always calculated as the sum of the thermal resistance properties of the wall layers lf required consult the insulation or 40 building material manufacturer and ask for a calculation of the assembly U factor e Click OK The customized assembly gets listed in the drop down list with the word Custom prefixed to it e If required make other changes on the Windows and Walls dialog box e Finally click OK 8 1 2 Window Construction To change
53. simulation correctly for assessing conformance Salient Features ECOnirman WBP Tool ECOnirman Prescriptive Tool indicates if the systems and sub systems of the building are conforming or not conforming with the ECBC and also generates a conformance report that compile the data provided by the user lt facilitates the users in assessing if a building meets the ECBC requirements vis a vis the five climatic zones in India lt can store multiple building projects under a single user profile It stores the information in a central database for future reference review edit and analysis purposes It Keeps the information secure and confidential It allows the design teams to collaborate remotely It is available in the public domain http econirmanwbp eetools in GI for easy access to the users Prerequisites The following checklist of items specific to the building being assessed for conformance will come in handy while using ECOnirman WBP Tool Total interior floor area Marked up plans by space types see illustrations in 7 2 2 Floor area for each space type Perimeter lengths for each space type Lighting Power Density LPD values for each space type Space types marked as conditioned or unconditioned Ventilation requirements Mechanical equipment sizes and efficiencies Pump and fan static pressures Envelope construction assemblies for walls roofs windows and skylights and shading 4 Tool Navigation ECOnirman
54. tal Interior Floor Area defined under the General sub tab 8 6 1 If it is higher or lower the variance is displayed 7 1 2 Lighting Click Edit corresponding to a space type to edit its lighting details The Edit Space Type dialog box appears with the default lighting details A It is important to replace the defaults with the inputs that match the actual building design in order to get the correct simulation results for conformance 27 Edit Space Type Open Office x Lighting Loads Thermal Comfort Schedules Lighting Light Power Density W m2 Lighting Controls Y Occupancy sensor control L Daylighting control in daylighted zones for this space type Manually operated dual level switching Automatic dimming control e Define lighting power density LPD e Enter the details of lighting controls e Click OK to set the lighting details 7 1 3 Loads Click Edit corresponding to a space type to edit its loads The Edit Space Type dialog box appears Click the Loads tab Enter these loads to get a more accurate prediction of the overall energy use of the building In case of a doubt leave the defaults in place These loads are identical in both the Proposed Design and the Standard Design models and therefore do not influence the energy efficiency of the design 28 Edit Space Type Open Office x Lighting Loads Plug Loads Loads Thermal Comfort Schedules Process Loads 0 Sensi
55. th the ECBC 10 3 1 Interpreting the Results Meeting the Loads Appendix B of the ECBC contains requirements in 10 3 2 e for meeting the building loads through sizing of the systems and plants The tool displays the results of the simulation vis a vis these requirements The unmet load hours number of hours any zone outside of throttling range and number of hours any plant load not satisfied for the Proposed Design must not differ from unmet load hours for the Standard Design by more than 50 hours And the maximum number of unmet hours must not exceed 300 hours for either case If these conditions are met then the design satisfies 10 3 2 e of the ECBC Whereas if these conditions are not met then the simulation results may not be submitted to the Authority Having Jurisdiction to demonstrate conformance the inputs for sizing of the HVAC systems should be revised in the tool till 10 3 2 e of the ECBC is satisfied 99 A Depending on the inputs provided it is possible in certain cases that the simulation results show that the hours when loads are not met by HVAC systems exceed those allowed in Appendix B of the ECBC This is most likely to happen in the following situation When seasonal cooling availability for the building is selected depending on the weather file the tool turns off cooling for certain months of the year and changes the cooling set points for those months to 50 C However the building may have a dat
56. the building e Ground This sets a priority for the zone s of the space type to be placed on the ground floor of the building e Top This sets a priority for the zone s of the space type to be placed on the upper level or the top floor of the building 7 2 2 Perimeter Allocation C click Apply Defaults to set the default values for the space types for the selected building shape vis a vis the area allocated under the Building sub tab 6 2 However if this is clicked after any changes are made under the Zoning sub tab then those changes will be lost and the defaults will be re applied Perimeter orientation affinities Perimeter zones in the model need to reflect the perimeter space types that are along the exterior walls in the building To achieve this e Mark up the plans to classify the rooms by space types see example below e Mark up the perimeter lengths of the spaces e Add the total length of a space type along each orientation and enter the sum in the zoning table in the tool Example The following are the illustrations of a 3 storied building with its plans marked up as space types along with the dimensions of the length occupied by each space type on the perimeter 20 30 30 30 10 20 30 30 10 20 Ground Floor Plan First Floor Plan Second Floor Plan 36 The following table depicts how floor affinities and perimeter affinities are calculated from the plans above Floor Affinity Since Lobby and Stor
57. top of the page Enter another e mail address 4 3 2 LogIn For an existing user enter the registered e mail address and password on the home page Tip The password is case sensitive Login Email irgeco3 qmail com t Password 0800008 PR madi Request Login Forgot Password e Click Log In to log into ECOnirman WBP Tool e The Projects page opens See 5 to learn how to manage projects 4 3 3 Retrieve Forgotten Password A forgotten password can be retrieved from any of the following two locations e Request Login dialog box see 4 3 1 New User e Log In dialog box see 4 3 2 Log In On the dialog box click Forgot Password to retrieve the password of an existing user The Forgot Password dialog box appears Forgot Password User Name Email irgeco3 gmail com Required Fields Request Login Return to Login e Enter the registered e mail address e Click Submit to send the request for password retrieval to the registered e mail address e Open the e mail external of ECOnirman WBP Tool and click the hyperlink available therein e The Reset Password dialog box appears in ECOnirman WBP Tool with the reset key auto populated Reset Password Email irgeco3 gmail com Reset Key 37zrXIrF KUEZrED b3D5 New Password eseenees Confirm Password eesesseses Return to Login Required Fields e Enter the new password and confirm tt e Click Submit to reset the password 4 3
58. ults The results are presented after the simulation is completed The tool also generates a report that may be submitted to the Authority Having Jurisdiction to demonstrate conformance with the ECBC Ki Energy Performance Intensity EPI is defined as the annual energy consumption measured in kWh per square meter of the built up area of the building It is the ratio of the total energy used to the total built up area and is expressed as kWh m year 3 1 Modelling Protocol and Default Inputs ECOnirman WBP Tool follows the modelling protocol of Appendix B of the ECBC for developing the models of the Standard Design and the Proposed Design The following logic is used e The details of the building are entered and the Proposed Design and the Standard Design are developed accordingly in the background as per the rules in Appendix B of the ECBC 3 2 3 3 Example The user selects Daytime use or 24 hours use of the building and enters insulation values of the building materials The tool determines the insulation values for the Standard Design based on the usage information entered and uses the material insulation values for the Proposed Design The tool provides the defaults for the Proposed Design it its details are not specified by the user These defaults are the same as those for the Standard Design A These defaults are provided across the tool for convenience only It is important to provide actual building inputs to run the
59. xplained in the following sub sections 8 1 Windows and Walls This sub tab is used to define the construction and Window Wall Ratio WRR and vertical and horizontal shading E CO nirman Whole Building Performance Project Centre 2 Return to Project List Project Information Building Use Envelope Conformance Check Windows Windows and Walls and Walls Roofs and Skylights 100mm RCC 75mm EPS 100mm RCC 75mm EPS 100mm RCC 75mm EPS 100mm RCC 75mm EPS Wall Construction See s A ue 8 CHE interior insulation interior insulation interior insulation interior insulation Double pane 2 Low E Double pane 2 Low E Double pane 2 Low E Double pane 2 Low E Window Construction clear UPVC frame clear UPVC frame clear UPVC frame clear UPVC frame sliding sliding sliding sliding Window Wall Ratio 0 4 0 4 0 4 0 4 Vertical Shading None None None None Horizontal Shading None None None None 38 Click Edit above a direction north east south or west to edit the details of windows and walls for that direction The Windows and Walls dialog box appears with pre populated default values Windows and Walls x Wall Construction 100mm RCC 75mm EPS interior insulation U factor 2 5 NOTE All assemblies listed here include 18mm external and 12mm internal cement plaster and or 18mm external and 12mm internal screed plaster with insulation wherever applicable Add Custom Window Construction Double pane 2 Low E cl
60. y the user the tool allows heating and cooling to be available through the entire year Select the seasonal option if heating is to be turned off in the non winter months in a cold 92 climate or if cooling is to be turned off in temperate or cool months This will ensure EPI predictions that are not unrealistically high This schedule is identical for the Standard Design and the Proposed Building models The tool arrives at the season schedule using the following algorithm e lf the monthly average dry bulb temperature is more than 26 C AND monthly average enthalpy is more than 60 kJ kg then cooling will be available It will not be available otherwise e lf the monthly average dry bulb temperature is less than 15 C heating will be available It will not be available otherwise Ti Heating availability is not dependent on enthalpy The above algorithm results in operating the systems for heating and cooling when the monthly average values fall outside the comfort range according to ISO 7730 1993 In some places like Mumbai this algorithm will result in no difference between a seasonal availability and year round availability as the thresholds for turning off cooling or turning on heating will never be crossed Tip cooling Plant and or Heating Plant are added depending on how an air system is configured Cooling Plant Properties Cooling System Inputs System Name Chiller Plant Supply Water Temperature C

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