Sri Lanka EnerPHit Industrial Building NYPH PRESENTATION | 2017.06.16 - - PowerPoint PPT Presentation

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Sri Lanka EnerPHit Industrial Building NYPH PRESENTATION | 2017.06.16 - - PowerPoint PPT Presentation

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Sri Lanka EnerPHit Industrial Building NYPH PRESENTATION | 2017.06.16 Jordan Parnass AIA RIBA CHPD Lois B. Arena, PE Principal Director, Passive House Services Jordan Parnass Digital Architecture Steven Winter Associates Project Team New

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Sri Lanka EnerPHit Industrial Building

NYPH PRESENTATION | 2017.06.16

Jordan Parnass AIA RIBA CHPD Principal Jordan Parnass Digital Architecture Lois B. Arena, PE Director, Passive House Services Steven Winter Associates

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Project Team

New York and Colombo.

Star Garments / Komar Brands Jordan Parnass Digital Architecture Steven Winter Associates 475 High Performance Building Supply Vinod Jayasingh Architects URO Structural Chandana Dalugoda Consultants K2 Consultants Vform Tritech

Client Passive House Designer Energy Consultant Quantity Surveying Architect Structural Engineering HVAC Engineering Mechanical Engineering Cost Consultant General Contractor

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Location

Sri Lanka is located off of south India. Colombo is about seven degrees north of the equator.

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Climate

Colombo features a tropical monsoon climate. Average temperature ranges between 81° and 84° F, and it receives 95 inches of rain annually.

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Project Site

The project is located in a low-rise industrial park adjacent to the airport.

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Existing Building

The project is a renovation of an existing two story factory building to EnerPHit standards.

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Site Context

Trees provide some shade but the majority of building is exposed to the sun.

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Existing Interior

Exposed steel structure with few partitions.

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Cultural Context

Users are accustomed to a greater diversity of interior and exterior configurations for building programs.

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Design Analysis & Feasibility

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Local Design

Exposed steel frame with extensive areas of glass infill.

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Local Design

Program areas pulled back within the structure to allow for

  • pen exterior spaces.
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Local Design

Some roof overhang. Decorative exterior shading panels.

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Cross-Section

The upper floor is the main production area features a broad column-free space. The lower area perimeter is pulled back up to a full bay in areas.

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Ground Floor

Offices and meeting rooms.

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Upper Floor

Main production area.

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Feasibility Study

Challenges

  • Few specification on original drawings to establish baseline for

cost and performance.

  • Difficult to establish historical primary energy use and cost as

separate from industrial process loads.

  • No local distributor for typical Passive House products (tapes, air

barrier, ERV etc).

  • Complex occupancy and usage patterns.

Performance Goals

  • Certifiable to EnerPHit standards.

Cultural and Aesthetic Goals

  • Provide mix of treated and untreated interior and exterior

program spaces.

  • Maintain exposed steel structure design intent.
  • Create a regional model and local experience for future high

performance development.

Feasibility Process and Results

  • Extensive research and evaluation of loads and options.
  • 77% reduction in primary energy usage.
  • 6-7 year payback period.
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Energy Modelling & PHPP Verification

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PHPP Verification

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Primary Energy By End Use - kWh/m2.yr

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Sewing Process Loads Primary Energy - kWh/m2.yr

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Solar-Charged Desiccant Dehumidification System

Roof = 3,000 m2 Solar thermal array = 500 m2 PV array = 1600 m2 System requires reheat - only have electric on site

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Cooling Load - PHPP Sensible

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Cooling Load - PHPP Latent

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Passive House Design

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EnerPhit Strategy

Maintain continuous insulation and air barrier.

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Final Design

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Final Design

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Final Design

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Envelope Overview

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Masonry Envelope

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Key Details

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Key Details

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Key Details

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Construction Photo

Insulated roof panels.

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Construction Photo

Rear gable wall masonry infill.

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Construction Photo

Plaster on masonry infill.

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QA / QC Procedures

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QA / QC - Construction Checklists - Typical

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QA / QC - Construction Checklists - Unique

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Additional Dehumidification Controls - Electric Reheat

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Additional Dehumidification Controls - Heat Pipes w/ Heat Recovery

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Additional Dehumidification Controls - Energy Cost Savings

Electric Reheat Scenario Heat Pipe w/ Heat Recovery Scenario 271,876 kWh/yr savings x $0.075 /kWh

$20,390 annual savings

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Thanks!