Salient Green features of Benchmark

1
Infinity Benchmark A LEED Green Building

• Salient Green features of Benchmark
• High performance glass
• Rain water harvesting
• Eco friendly Energy efficient equipment
• systems
• Consumes 25 less energy
• Water efficient flow flush fixtures
• Consumes 40 less water
• Insulated roof
• Roof garden Under deck insulation
• Building Management System
• Better controls monitoring
• Enhanced fresh air quantity
• Better comfort productivity

Infinity Benchmark - Kolkata
2
Building Envelope

• External walls and roof have high insulation
  property
• External walls made of brick wall block with 4
  inch expanded polystyrene insulation ACP
  cladding
• U-factor 0.073 Btu/hr.ft2
• Roof has under deck insulation with 30 mm of
  rigid polyurethane foam
• Terrace garden on roof top reduces heat island
  effect
• Use of overhangs on selected facades reduces the
  direct solar gains through glazing.
• High performance glazing catering to 36 of
  total building facade

Infinity Benchmark - Kolkata
3
High Performance Glazing

• Double glazed glass units increase energy
  efficiency of building
• Less heat ingress into the building
• Better transmission of day light into occupied
  spaces
• Provides external connectivity to occupants
• Use of overhangs on selected facades reduced
  direct solar gain through glazing
• Glass characteristics
• 1. U Value 2.64 W/m2 K
• 2. Solar heat gain coefficient 0.2
• 3.Visual Light transmittance-0.23

Infinity Benchmark - Kolkata
4
Eco-Friendly Energy Efficient Equipment

• Consume 25 less energy
• CFC free refrigerant to avoid ozone depletion
• HVAC equipment has been designed with no
  compromise on human comfort levels
• Energy efficient water cooled chillers with CoP
  value of 6.3
• Primary secondary chilled water pumps with
  variable speed drive to economize pump energy

Infinity Benchmark - Kolkata
5
Building Management System

• Optimized energy consumption resulting in
  operational energy savings of 15-20
• Typical examples of energy saving through BMS
  integration
• Night time purging to cool the building
• Chiller management
• Controlling AHU fan speed and chilled water pumps
  based on heat loads
• Temperature, humidity and lighting control
• Monitors and controls indoor comfort condition
• Automatically monitors amount of fresh air that
  enters the spaces
• Can also track occupancy status of each zone and
  accordingly adjust fresh air flow
• Provides alarm systems so as to take corrective
  actions

BMS Screen
Infinity Benchmark - Kolkata
6
Efficient Lighting

• Use of energy efficient fluorescent lamps (T5s)
  and luminaries with high coefficient of
  utilization
• The interior lighting designed with overall
  lighting power density less than 1.0 Watts per sq
  ft
• Minimized light trespass from the site to
  increase night sky access and improve night time
  visibility
• External lighting designed to reduce the
  development impact on nocturnal environments

Infinity Benchmark - Kolkata
7
Water Efficient Fixtures

• Consume 40 less water
• Water efficient flow flush fixtures are used in
  the entire building
• Reduces burden on municipal water supply and
  waste water systems
• Reuse of storm water and
• treated grey water for non-potable applications
  such as toilet, flushing and irrigation

Infinity Benchmark - Kolkata
8
Eco-Friendly Vehicle Charging

• Provision of 13 electric car charging points
• Reduces pollution and land development impacts
  from automobile use
• Costeffective and environment friendly means for
  commuting to work

Infinity Benchmark - Kolkata
9
Indoor Environmental Quality

• Occupants provided with superior indoor air
  quality through energy efficient HVAC equipment
• Air conditioned spaces are maintained at 24 oC
  and 50 - 60 relative humidity through out the
  operation of building
• CO2 levels and fresh air quantities are
  continuously monitored and maintained at a
  pre-determined value to enhance the productivity
  of the occupants
• Adhesives, sealants, paints, resins used in the
  common areas have low volatile organic compound
  (VOC) content
• Day lighting views enhance productivity of
  occupants

Infinity Benchmark - Kolkata
10
Building Materials

• Use of construction materials having 20 recycled
  content and 20 locally available
• Use of recycled materials reduced the impacts
  resulting from extraction and processing of new
  virgin materials
• Illustrative list of materials with recycled
  content
• 1. False ceiling material made of industrial
  waste - gypsum
• 2. Door panels made of bagasse
• 3. Aluminium door and window frames have high
  recycled Aluminium content
• Use of 100 FSC certified wood for all wooden
  components

Infinity Benchmark - Kolkata
11
Waste Collection Segregation

• Reduction of building waste diversion to
  landfills
• An easily accessible area in each floor is
  dedicated to the collection and storage of non
  hazardous materials
• Separation of dry waste and wet waste materials
  at source
• Segregation and storage of dry wastes such as
  paper, cardboard, glass, plastics and metals to
  facilitate recycling

Infinity Benchmark - Kolkata