As a company involved in the transmission and distribution of energy, we must be a part of the solution to the global issue of climate change

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5 As a company involved in the transmission and distribution of energy, we must be a part of the solution to the global issue of climate change

6 a building of the future

7 This facility is a model of efficiency and sustainability one of only a few facilities nationwide to earn LEED Platinum certifications for both Commercial Interiors and Core & Shell. This project reflects National Grid s leadership role in tackling climate change and commitment to innovation in energy efficiency and resource preservation. today By educating through example, we hope to empower individuals to take action in their own lives, spreading principles of energy efficiency and exemplary environmental practices to the larger community.

8 The following pages illuminate the design process and key technologies behind the overall goals of the New England Main Office:

9 integrated design energy efficiency lighting design daylight & views indoor air quality material choices water conservation sustainable operations

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11 an integrated design process A holistic approach to efficiency and conservation demanded a multifaceted team working in close coordination. Workshops and collaboration with over 24 professional disciplines helped define issues, establish goals, and develop solutions. energy engineers construction manager structural engineer audio visual consultant landscape architect furniture dealer design furniture manufacturers audio visual consultant analyze interior architect sustainable solutions design base building architect analyze product manufacturers electrical engineer plumbing engineer developer mechanical engineer Process diagram: ideas were gathered from the spectrum of professions, and cycled through a non-linear process of testing and refinement civil engineer acoustical consultant subcontractors solar design consultant lighting designer analyze design sustainability consultants environmental graphic designer specification services telecommunications consultant project manager national grid employees

12 exterior shading devices limit solar heat gain

13 Rooftop photovoltaic panels supply 50% of the building s lighting energy needs energy efficiency A synergy of passive and active systems lower overall energy demands while renewable energy reduces reliance on fossil fuels. The dualistic approach employed in this facility reflects National Grid s global commitment to efficiency and carbon footprint reduction.

14 1 exterior shading devices limit solar heat gain 2 rooftop photovoltaic panels 3 high-efficiency windows 4 advanced lighting design 5 high-efficiency heating, ventilating and air conditioning equipment 6 white roof reflects infrared radiation 7 energy-star rated equipment other features, not pictured: 95% thermally efficient condensing boiler energy efficiency

15 summer sunlight photovoltaic panels 2 high-efficiency HVAC 5 exterior shading device 1 highly reflective white roof 6 spring \ fall sunlight 4 winter sunlight 3 7 The New England Main Office is 21% more energy efficient than required by the Massachusetts state code for commercial office buildings.

16 The combination of task and ambient lighting provides illumination just where it is needed, versus the uniform distribution of light found in conventional office buildings. The result is a comfortable, ever-changing, light-filled space that is responsive to the work at hand. advanced lighting design Initial exploration of task ambient lighting the designers sought innovative yet uncomplicated solutions

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18 2 daylight sensor occupancy sensor 3 3 occupancy sensor 1 super T-8 fluorescent lamps LED task light with occupancy sensor 5 LED under-cabinet lighting with occupancy sensor 4

19 1 high-performance ballasts and fixtures provide a 31% improvement over generic T8 lamps 2 daylight dimming light fixtures located within 20 feet of windows 3 occupancy sensors in offices, conference rooms, restrooms, and copy centers 4 LED under-cabinet lighting with occupancy sensors 5 LED task lights with individual occupancy sensors For about the same cost as conventional lighting, National Grid s advanced strategies result in a lighting power density (excluding task lights) of.54 watts/sq. foot, a level 46% below energy code minimums. advanced lighting design

20 angled ceiling tiles bounce light further into the office Guided by principles of biophilia the connection to nature the space s design provides 98% of employees with direct views to the outside.

21 daylight and views Clear visual connections between indoor and outdoor spaces are a key component of a comfortable, healthy & productive workspace. At the New England Main Office, careful studies of sightlines, use of low partitions, and interior glazing ensure consistent exterior views for all.

22 1 42 low partitions allow views across entire office daylight and views 2 48% glazing allows daylight deep into the space 3 interior glazing enables interior office views to outside 4 skylights illuminate stairwells 5 reflective & textured ceiling bounces daylight further into the office 6 light colored furniture and finishes 7 semi-transparent interior shades 8 exterior shading reduces glare

23 skylight 4 8 daylight 5 reflective and textured ceiling surfaces 7 semi-transparent interior shades 3 interior glazing all desks are oriented to face outside 2 light colored furniture 6 42 partition 1 Skylights make the stairwells more inviting

24 With their potentially high concentration of chemicals, copy centers and janitor closets are sealed and specially ventilated.

25 The building was flushed with 100% outside air prior to occupancy, removing dust, odors, and any remaining volatile organic compounds indoor air quality Indoor air quality impacts the well-being of all building occupants. Combining materials that are non-toxic and low in volatile organic compounds with superior ventilation systems, National Grid and the design team created an indoor environment that started out and continues to be in its day-to-day operations safe, healthy and comfortable. With their potentially high concentration of chemicals, copy centers and janitor closets are sealed and specially ventilated

26 1 high quality mechanical air filtration system indoor air quality 2 composite wood products have no added urea formaldehyde 3 carpets are certified Carpet & Rug Institute Green Label Plus 4 systems furniture and desk seating are GREENGUARD certified 5 carbon dioxide sensors monitor air quality other features, not pictured: adhesives, sealants, paints, & coatings are low in, or lack, VOC s janitor closets and copy rooms are sealed and ventilated walk-off mats at all building entries capture dirt a green cleaning program avoids products that contain harmful ingredients ducts protected from dust and dirt during construction all systems furniture and desk seating are GREENGUARD certified

27 outside air relief air a b c d 1 a outside & return air dampers b MERV 13 filter c coil d chemical free H2O treatment evaporative condensing unit 5 CO2 sensor return air 5 CO2 sensor fresh air CO2 sensor 5 green guard 4 2 no added urea formaldehyde CRI green label plus 3

28 Interior materials and furnishings feature 26% recycled content and 68% of the wood products are sourced from sustainable forests. 23% of the 2 materials are sourced within 500 miles of the site...

29 material choices 3 1 Building and construction accounts for 40% of all raw materials used in the United States. Conscious of this impact, National Grid rigorously selected materials with the highest degree of sustainability, including recycled content and local sourcing. Passing this initial criteria, the material palette was further refined to create a rich, visually stimulating environment. 1 workstation panel fabrics: 100% post-consumer recycled content 2 carpet: 50% pre-consumer recycled content 3 office chairs: 94% recyclable, Cradle to Cradle Silver certified

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31 material choices 4 interior graphics are imaged on recycled aluminum panels 1 countertops: 28% recycled acrylic with natural river stones 2 floors: bamboo from renewable forests 3 maple veneer panels: sourced from renewable forests; MDF core is 100% pre-consumer recycled wood; both veneer and core are locally sourced 4 window shades: 100% pvc-free material 5 ceiling tiles: 77% pre-consumer recycled aluminum, manufactured within 500 miles of the project 6 enclosed office and conference room storefront system: 77% pre-consumer recycled aluminum 7 glass tiles on cafe backsplashes: 38% post-consumer recycled glass other features, not pictured: linoleum flooring: 35% pre-consumer recycled and 36% rapidly renewable content rubber flooring: contains cork, a rapidly renewable material corner guards: manufactured within 500 miles of the project, 77% pre-consumer recycled content

32 Drinking-quality water is surprisingly energy intensive and municipal supply capacities are increasingly strained. The New England Main Office saves more than 600,000 gallons per year through a combination of conservation features and an advanced rainwater reuse system used for flushing toilets. In addition, landscape strategies for storm water serve to replenish the nearby aquifers and waterways. water conservation Bioretention swales, a wet basin, deep sump hooded catch basins, and proprietary separators treat storm water and provide infiltration, replenishing the Cambridge Reservoir

33 The average American uses 100 gallons of water per day.

34 condensate water collection 5 5 recycled storm water system 4 3 automatic-sensing reduced flow faucet 2 waterless urinal dual flush toilet using harvested water 1 6 underground water tank

35 1 dual flush toilets 2 waterless urinals 3 automatic-sensing and reduced flow lavatory faucets 4 reduced-flow shower heads 5 grey water system collects rain & condensate for toilet flushing 6 underground water tank with filtration and disinfection Water conservation at Reservoir Woods saves over 2.4 million gallons of potable water per year, a 66% improvement vs. state code allowances. water conservation

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37 sustainability did not end at construction... it was just the beginning

38 sustainable operations single office medium conference room

39 The unique modular office system reduced square footage per person by over 50%, conserving construction materials, saving money and reducing overall environmental impact. The system provides flexibility, allowing National Grid to change and evolve over decades without the need for significant renovation. single office C C C O O O O C C C C A comparable building using conventional office area standards would consume an additional 500,000 square feet... the equivalent of adding five stories to this three story building.

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41 The third floor coffee shop provides an informal break area

42 We are taking a leadership role in tackling climate change, and Reservoir Woods is a great example of our serious intent to reduce National Grid s carbon footprint. Steve Holliday CEO

43 LEED certification LEED CI Platinum LEED CS Platinum The New England Main Office has achieved the impressive distinction of USGBC LEED Platinum certifications for two categories: Commercial Interiors (CI), and Core & Shell (CS). More rare is the achievement of CI and CS certification for a single tenant. The integrated design approach and contributions by all team members have created a safe, healthy, and beautiful work environment that educates and inspires everyone to consider the environmental impact of our past, present and future activities.

44 The New England Main Office at Reservoir Woods Waltham, Massachusetts Base Building Architect: ADD Inc Landlord/Developer: Davis Marcus Partners Project Manager: Jones Lang LaSalle Interior Architecture, Graphic Design, LEED Design Services: Sasaki Associates Construction Manager: John Moriarity & Associates MEP/FP Engineering Services and LEED Design Services: AHA Consulting Engineers Lighting Designer: Atelier Ten Acoustical Consultant: Cavanaugh Tocci Specification Services: Kalin Associates Audio Visual Consultant: ACT Associates Telecommunications Consultant: CCR Pyramid Solar Design Consultant: Solar Design Associates Photography: Robert Benson, Richard Mandlekorn, DaiMin Cheng, Jones Lang LaSalle, Jon Li, National Grid Cover: Chipboard, 100% recycled content, debossed and printed with vegetable-based inks Binding: Recyclable aluminum screwposts, non-glued binding. Brochure may be separated into components for recycling Paper: 100% post-consumer recycled content Inks: Vegetable-based

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