K VENKATESAN, HEAD-ADMINISTRATION B S SUDARSAN, SR MANAGER ADMIN & FACILITIES P K SABARINATHAN, FACILITIES IN-CHARGE
1 VA TECH WABAG LIMITED - Pure Play Water Technology Multinational
WABAG is one of the world’s leading companies for the The WABAG Group represents a design, construction leading multinational player and operational with companies and offices in >20 countries with over management of water 2,000 employees and a focus and wastewater treatment plants. on Emerging Markets in India, South East Asia, Europe, Africa, Middle East For over 90 years, & Latin America through our technologies and services, our company has been making a major contribution to the provision of secure water supplies and wastewater / used water treatment in the interests of both humanity and the environment.
2 WABAG HOUSE: At a Glance
Location Chennai Type Existing Office Building (4 years old) Total Site area 6192 sqm (1.53 acres) Building Footprint 1865 sqm Greenery area 930 sqm 18433 sqm (Incl. Parking), 14753 sqm Total Built-up Area (excl. parking) Occupancy 707 nos (Employee + Support staff) Year of occupancy 2014 No. of blocks/floors Basement, Stilt, 9 floors Ventilation Fully Air-conditioned
3 SPECIFIC ENERGY CONSUMPTION - LAST 4 YEARS
SPECIFIC SPECIFIC ENERGY TOTAL ELECTRICITY TOTAL NO. OF BUILD UP AREA ENERGY CONSUMPTION SL NO YEAR CONSUMPTION MAN HOUR (HRS) EMPLOYEES (SQ.M) CONSUMPTION (KWH/MAN HOUR (KWH) (KWH/SQ.M) PER YEAR)
1 2014-15 1,286,474 600 1,425,600 69.79 0.90 2 2015-16 1,339,063 650 1,544,400 72.64 0.87 18,433 3 2016-17 1,354,586 680 1,615,680 73.49 0.84 4 2017-18 1,446,688 707 1,679,832 78.48 0.86 SPECIFIC ENERGY CONSUMPTION SPECIFIC ENERGY CONSUMPTION (KWH/MAN (KWH/SQ.M) HOUR PER YEAR)
80.00 0.92 78.00 0.90 78.48 0.90 76.00 0.88 74.00 0.87 0.86 72.00 73.49 0.86 72.64 0.84 70.00 69.79 0.84 68.00 0.82 66.00 64.00 0.80 2014-15 2015-16 2016-17 2017-18 2014-15 2015-16 2016-17 2017-18 Reason for variations: Increase in number of employees by 18% over the last four years and corresponding increase in IT infrastructure.
4 ENERGY CONSUMPTION - BENCHMARKS
ENERGY CONSUMPTION – BENCHMARKS (KWH/SQ.M) 180
180 150 160
140 125
120 100 100 78.5
80
60
40
20
0 National benchmark - Global benchmark - US Ashok Leyland National benchmark - VA Tech Wabag Ltd BEE Star rating program EnergyStar Portfolio Corporate Office, BEE Star rating program (1 Star Level) Manager Chennai (5 Star Level)
5 ENERGY CONSERVATION ACTIVITIES - FY 2015-16
Installed Active Harmonic Filter to improve power quality and increasing lifecycle of equipment.
BENEFITS: Improves reliability of the electrical system. Reduces cable & Transformer Losses. Solution for power factor and harmonic correction. Increases efficiency and minimize the operating cost of all equipment.
6 ENERGY CONSERVATION ACTIVITIES - FY 2015-16
We have a 750 KVA DG set as the main stand-by for EB power which caters to the entire load of the building.
Critical Load identified, collated and connected to an existing 250 KVA DG Set. This DG set will cater to the critical loads like UPS, STP, Lift, PAC, etc., after office hours during power failure.
BENEFITS: Reduces no load losses. Reduces Diesel consumption. Minimize negative impact to environment. Increase in efficiency of DG set. Investment – 1 Lakhs. ROI – 6 Months.
7 ENERGY CONSERVATION ACTIVITIES - FY 2017-18
Conducted detailed Energy Audit and identified energy conservation opportunities.
BENEFITS: Chiller water Balancing carried out to improve efficiency of Chiller. (Savings: 20,000 Units per Year). Section wise power consumption was evaluated. Area wise Lighting Load was analysed. Maximize Efficiency and Optimize supply Energy. Investment : 1.5Lakhs.
8 ENERGY CONSERVATION ACTIVITIES - FY 2017-18
Conducted Thermography audit and Rectification has done based on thermography to reduce power losses.
BENEFITS: Identified electrical defects such as loose connections and over loaded circuits. Increasing operational lifecycle of equipment. Minimize the repair and maintenance cost of equipment. Approximate Saving : 3000 Units per Year. Investment : 0.3 Lakhs. ROI : 12 Months.
9 ENERGY CONSERVATION ACTIVITIES - FY 2017-18
Terrace Reflective Painting to reduce heat gain.
100% of the open roof area is painted with high Solar Reflective Index Paint.
BENEFITS: Reduce Heat Transfer to the building. Reduce Cooling Load. Approximate Saving : 5000 Units per Year. Investment : 0.6 Lakhs. ROI : 14 Months.
10 ENERGY CONSERVATION ACTIVITIES - FY 2017-18
Replacement of CFL by LED.
45W CFL Cafeteria lightings were replaced by 20W LED (70 Nos).
BENEFITS: More than 50% Energy Saving without affecting Light Density. Approximate Saving : 2100 Units per Year. Investment : 0.3 Lakhs. ROI : 24 Months.
11 ENERGY CONSERVATION ACTIVITIES - FY 2017-18
Installed smaller separate high efficiency dedicated AC (2TR) to replace over- sized AC (3.5TR) for UPS room.
BENEFITS: 1.5 TR Load is reduced. High Energy Efficiency. Approximate Saving : 19,440 Units per Year. Investment : 0.5 Lakhs. ROI : 4 Months.
12 ENERGY CONSERVATION ACTIVITIES - FY 2017-18
Lux study conducted across all floors and identified "ECO Switch" lighting control without affecting Light Intensity.
BENEFITS: Maximum utilization of Day Lighting. Optimization of Lighting Load. Approximate Saving : 18,200 Units per Year. Nil Investment.
13 ENERGY CONSERVATION ACTIVITIES - FY 2017-18
Low flow water fixtures and Water tap aerators are installed to reduce the pumping power. Periodical maintenance/replacement of CO2 sensors resulting in reduced fresh-air load.
BENEFITS: Optimization of Electrical Load. Approximate Saving : 6,000 Units per Year Investment : 0.85 Lakhs ROI : 18 Months
14 ENERGY CONSERVATION ACTIVITIES - FY 2017-18
Installed Energy Efficient Scroll Type Air Cooled Chiller (3Nos of 40TR) to optimize the chiller load.
BENEFITS: 1KW/Ton in Scroll Type as against 1.3KW/Ton in Screw Type Chiller. Bifurcated to lesser capacity multiple chillers thereby optimizing on the energy consumption. Expected Saving : 60,000 Units per Year Investment : 60 Lakhs ROI : 120 Months
15 ENERGY CONSERVATION ACTIVITIES - FY 2018-19
ON Site Renewable Energy to minimize the energy consumption – Plan to install Roof Top Solar Power Plant (85 KW).
BENEFITS: Carbon Free Green Power Reduction in Electricity Cost Expected Power Generation : 1,25,000 Units per Year Investment : Boot Basis. Electricity Cost Saving Potential: INR 3.75 Lakhs per year
16 ENERGY CONSERVATION ACTIVITIES – CLIENT PROJECTS
Few Power neutral plants built by WABAG
Kodungaiyur WWTP Converting “waste” to “wealth” Chennai, India Click here to watch Kodungaiyur 110 MLD Plant, executed on DBO model, stands as the role model plant in India for “comprehensive sewage treatment” which focuses on resource recovery with the conviction that “Sewage is a resource, not a liability. The plant is equipped with an advanced sludge management process which is capable of producing adequate amount of electricity ( Bio-gas Power Generator capacity : 1.06MW) to run the entire plant.
17 ENERGY CONSERVATION ACTIVITIES – CLIENT PROJECTS
Kondli WWTP Sanliurfa WWTP Delhi, India Turkey 200 MLD WWTP in New Delhi with Co-financed by EU, a stand out reference complete automation system using PLC in terms of reduced area footprint as well software and controlled by central control as operating expenditure room. . Energy-neutral – 95% self-sufficiency by . Mechanical/biological WWTP use of biogas . Anaerobic sludge treatment & biogas . One of the largest solar sludge drying utilization for energy production. 3.18 units, providing savings in opex MW capacity of Bio-gas power generator installed.
18 INNOVATIVE PROJECTS
Concept with Unique Application 52 Week PM Schedule adopted and monitored to improve lifecycle of equipment and optimize energy consumption. 100% Waste water treated is used for flushing & irrigation thereby not only reducing the fresh water intake but also save power on operation of bore well. (80% of Total Water consumption is from Recycled water).
New Concept Survey done across workplace and identified minimum lights required to maintain optimum lux level of 300Lum and labeled it as “ECO SWITCH”
19 RENEWABLE ENERGY UTILISATION
OFF SITE RENEWABLE ENERGY
14,00,000
12,00,000
10,00,000
8,00,000
6,00,000 88.58 % 88.58 4,00,000 % 93.52
2,00,000 % 59.26 TOTAL ELECTRICITY CONSUMPTION ELECTRICITY TOTAL
0 EB Power (Units) 2015-16 2016-17 2017-18 Wind Mill Power (Units) FINANCIAL YEAR
20 UTILISATION OF WASTE MATERIAL
Contributing to Green Earth & Ensuring a Sustainable Future Source Segregation Storage Disposal
E- Waste/Oil/Metal/Oil Paper Waste Waste Sent to ITC for a green Sent to TNPCB Authorized initiative – stationary kits Recycler given to needy children
21 GREEN SUPPLY CHAIN
Company has its own “GREEN CONSTRUCTION & OPERATION POLICY”
22 GREEN SUPPLY CHAIN
Usage of 100% organic fertilizers in the campus. Purchase of Green Pro rated eco-friendly house-keeping chemicals. Purchase of new chiller which uses HCFC free refrigerant. Green Guard Certified Furniture and fixtures.
BENEFITS: Minimum negative impact to environment. Future projects & procurement process will strictly abide by Green Policy.
23 ENERGY MANAGEMENT TEAM
Team Meeting at periodical intervals chaired by ADMIN-HEAD on Energy conservation programs. Discussion Points – Scope, Improvement Projects, Year on Year Budgetary approvals, Commercials, ROIs & Implementation schedule. In house Training program conducted for cross functional FM Team.
ADMIN - HEAD
MANAGER
ELECTRICIANS FACILITY ENGINEER BMS OPERATOR
HVAC TECHNICIAN SERVICE PROVIDERS STP OPERATORS
24 ENERGY MONITORING SYSTEM
O&M Best Practices IBMS.
25 25 IMPLEMENTATION OF IGBC EBOM RATING
SITE & FACILITY MANAGEMENT INNOVATION IN DESIGN • Eco-Friendly Commuting Practices FINAL SCORE • Green Guard Furniture & Fixtures • Eco- Friendly Landscaping Practices • ECO Switch • Heat Island Reduction ACHIEVED • IGBC AP- Certification of HEAD • Outdoor Light Pollution Reduction 84 / 100 ADMIN • Operations & Maintenance • Best Practices to Occupants PAREMETERS • CSR Initiative REVIEWED
WATER EFFICIENCY HEALTH & COMFORT • Water Efficient Fixtures • Smoke Free Zone • Rain Water Harvesting • Heat Recovery Wheel • Waste Water Treatment • CO2 Level monitoring • Waste Water Reuse ENERGY EFFICIENCY • Green House Keeping Chemicals • Water Metering • Off-Site Green Power Purchase • Occupants Well Being Facilities • Turf Area • Eco-Friendly Refrigerants • Facilities for Differently Abled • Energy Metering • Energy Efficient Fixtures • Power Quality • VFDs & Sandwiched Bus Ducts
26 IMPLEMENTATION OF IGBC RATING
“ WABAG HOUSE” - A Global Leadership In Green Building Certification
27 ENERGY EFFICIENT – WABAG HOUSE
DESIGN O&M RENEWABLES
28 28 ENERGY EFFICIENT – DESIGN
ENERGY EFFICIENCY – DESIGN APPROACH
ORIENTATION ENVELOPE MEASURES EQUIPMENT & SYSTEMS CONTROLS
WABAG HOUSE - SCORED 100% IN IMPROVED ENERGY PERFORMANCE DURING IGBC CERTIFICATION.
29 29 ENERGY EFFICIENT – DESIGN
ORIENTATION
Passive Design to reduce heat gain All Utilities like Electrical Room, Rest Rooms & Janitor Rooms are in west side of the building to minimize heat ingress to Air Conditioned Space. Double glazed façade with minimum U value on the south side of the building to maximize natural light entry.
SITE LAYOUT TERRACE LAYOUT 30 30 ENERGY EFFICIENT – DESIGN
ENVELOPE MEASURES GLAZING The U – Value & Shading Coefficient of Glazing used in building Main Facade are • U – Value : 1.8 W/ Sq.m K • Shading Coefficient : 0.23
WALLS & ROOFS: East & West side walls are constructed by less U Value solid blocks to reduce the heat ingress. Further ACP Cladding with 175 mm air gap introduced in walls to add to heat resistance. 100% of the open roof area is painted with high Sun Reflectance Index (SRI) paint to prevent heat transfer. 31 31 ENERGY EFFICIENT – DESIGN
EQUIPMENT & SYSTEMS
Energy Efficient Air Cooled Scroll Chillers installed in our premises. Committed to Green values of having CFC free HVAC System and Halon free Fire Suppression System. LED Lights across floors and common area to bring in maximum possible conservation. VFDs are installed in all rotating equipment for optimum utilization of power and also increasing lifecycle of equipment. Maintenance free sandwiched bus ducts introduced to reduce power losses, improve safety and even distribution of heat generated. HEAT RECOVERY WHEEL - To improve IAQ and minimize energy loss.
32 32 ENERGY EFFICIENT – DESIGN
CONTROLS Separate Metering Devices installed for Lighting, Chiller & all Utilities to monitor energy wastage. Monitor and Control entire system from IBMS. Water metering introduced at source and distribution points to arrive at the exact ground water extraction quantity and the utilization of STP treated water. CO2 SENSORS – Installed Temperature and CO2 Sensors to monitor the in- door Air quality.
33 33 ENERGY EFFICIENT – O&M
All utility equipment are covered under OEM AMC and trained in-house preventive & periodical maintenance are being carried out and recorded. O&M Best Practices are being followed for Energy Management headed by ADMIN – Head. He is an IGBC certified Accredited Professional. Percentage breakdown for critical equipment is Less than 1%. Facility Management Dashboard – To create employee awareness on Energy & Water Performance Index.
34 34 ENERGY EFFICIENT – RENEWABLES
ON Site Renewable Energy – Plan to install Roof Top Solar Power Plant Installation during this FY 2018-19. OFF Site Renewable Energy – Carbon Free Wind Power Purchase through Group Captive Power Agreement. Above 90% of the power consumed by Green Energy.
35 35 WABAG HOUSE – ENERGY PERFORMANCE
WABAG HOUSE has low Specific Electrical Energy Consumption without affecting Occupant Comfort Level. Periodical Occupant Comfort survey has conducted and secured more than 95% of Occupants are feel comfortable workspace. SPECIFIC ENERGY CONSUMPTION (KWH/SQ.M) 80.00 78.00 78.48 76.00 74.00 72.00 73.49 72.64 70.00 69.79 68.00 REFERENCE: 66.00 IGBC EXISTING BUILDING O&M RATING SYSTEM – 64.00 PILOT VERSION 2014-15 2015-16 2016-17 2017-18
AVERAGE SPECIFIC ELECTRICAL ENERGY CONSUMPTION FOR THE LAST FOUR YEARS (KWH/SQ.M):73.60
36 36 VA TECH WABAG LTD – ACHIEVEMENTS 2017-18
37 37 Thank you
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