MODULE 6 PLUMBING AND ELECTRICAL BASICS OF MODERN LABORATORY DESIGN - - PowerPoint PPT Presentation
MODULE 6 PLUMBING AND ELECTRICAL BASICS OF MODERN LABORATORY DESIGN - - PowerPoint PPT Presentation
6 PLUMBING AND ELECTRICAL BASICS MODULE 6 PLUMBING AND ELECTRICAL BASICS OF MODERN LABORATORY DESIGN 6 6 PLUMBING AND ELECTRICAL BASICS PLUMBING AND ELECTRICAL BASICS 6 PLUMBING AND ELECTRICAL BASICS 6 PLUMBING AND ELECTRICAL BASICS 6 PLUMBING
6 PLUMBING AND ELECTRICAL BASICS 6 PLUMBING AND ELECTRICAL BASICS 6 PLUMBING AND ELECTRICAL BASICS 6 PLUMBING AND ELECTRICAL BASICS
6 PLUMBING AND ELECTRICAL BASICS
6 PLUMBING AND ELECTRICAL BASICS
Module 6 PG1
MODULE 6 GOAL
Provide a fundamental understanding of Laboratory Plumbing and Electrical Concepts and Systems.
6 PLUMBING AND ELECTRICAL BASICS
Module 6 PG2
Module 6 Outline
- Issues
- Drivers
- Concepts
- Systems
6 PLUMBING AND ELECTRICAL BASICS
Module 6 PG3
Module 6 Issues
Some of the most common concerns of laboratory facility users are relative to Plumbing and Electrical systems, including:
- “We need access to
Purified Water at Every Sink!”
- “My lab is too dark!”
- “My lab doesn’t have
enough receptacles!”
- “My lab doesn’t have
enough connectivity!”
6 PLUMBING AND ELECTRICAL BASICS
Module 6 PG4
Module 6 Drivers ‐ Plumbing
- Water Supply
- Purified Water
- Wastewater and Floor Drains
- Emergency Fixtures
- Piped Gas Services
6 PLUMBING AND ELECTRICAL BASICS
Module 6 PG5
Module 6 Plumbing Concepts/Systems – Water Supply
Use “Industrial” or “Non‐potable” water for Laboratories
- Set a separate RPZ backflow preventer
6 PLUMBING AND ELECTRICAL BASICS
Module 6 PG6
Module 6 Plumbing Concepts/Systems – Purified Water
- ASTM
- Type I
- Type II
- Type III
- CAP/NCCLS
- Type I
- Type II
- Type III
- USP
- Semiconductor
6 PLUMBING AND ELECTRICAL BASICS
Module 6 PG7
Module 6 Plumbing Concepts/Systems – Purified Water
What kind of purified water do I need?
Pharmaceutical I I I‐II I I‐II I I I Academic Research II‐III I I‐II I‐II I‐II I I I Micro‐electronics I I‐II Clinical I‐II II I I‐II II I I Environmental I‐II I‐II II‐III II II II Mass Spectrometry HPLC Common Applications and Purified Water Types Buffer Preparation Sample Preparation Glassware Wash/Rinse Cell Culture Diagnostics Molecular Biology
6 PLUMBING AND ELECTRICAL BASICS
Module 6 PG8
Module 6 Plumbing Concepts/Systems – Wastewater/Drains
Wastewater treatment is rarely required
- Chemical and waste management plans are required
- Chemicals should not be dumped in drains
- Perchloric acid hood is an exception
‐ Wastewater requires PH adjustment
- Review the lab processes carefully
- Do not put floor drains in the lab
6 PLUMBING AND ELECTRICAL BASICS
Module 6 PG9
Module 6 Plumbing Concepts/Systems – Emergency Fixtures
OSHA Requires Eyewash and Safety Shower if corrosives are used
- ANSI Z358.1‐2009
- Location and clearance requirements
- Regular testing required
- Use only ANSI approved fixtures
- “Tepid” water required
- 10 seconds to reach
- Path not hindered with obstructions
- Many styles and types available
6 PLUMBING AND ELECTRICAL BASICS
Module 6 PG10
Module 6 Plumbing Concepts/Systems – Piped Gas Services
Individual Cylinders, Manifolded or Bulk?
- What gases are needed?
- How much will be used?
- How critical is uninterrupted supply?
- Location of use points
- OSHA requires tank restraints
- Distributed versus point of use
- Piping material
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Drivers – Facility Power Distribution Systems
Electrical Distribution System Considerations
- Size of Facility
- Configuration of Facility
- Composition of Facility
- Code Compliance
- Design Standards
- HVAC Systems/Equipment
- Service Voltage (480Y/277V or 208Y/120V)
- Voltage Drop
- Type of Equipment
- Future Growth
Module 6 PG11
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Drivers – Facility Power Distribution Systems
Determination of Facility Service Voltage 480Y/277V, 3‐Phase, 4‐Wire Service:
- Over 1200 Amps at 208V
- Larger Facility with Larger
Equipment Loads
- Reduced Electrical Losses due to
Voltage Drop
- Voltage Flexibility for Laboratory
Equipment 208Y/120V, 3‐Phase, 4‐Wire Service:
- 1200 Amps or Less at 208V
- Distribution Panel vs Switchboard
- Small Facility/Reduced Electrical
Losses (12,000 gsf; 30W/gsf)
- No Dry Type Transformers
- Consider Future Expansions
Module 6 PG12
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Electrical Loads
Lighting (2.5 ‐ 3.5) (2.5 ‐ 3.5) (2.5 ‐ 3.5) Receptacles (4.5 ‐ 20) (2 ‐ 4) 3 HVAC (9 ‐ 10) (9 ‐ 10) (2 ‐ 4) Laboratory Equipment (4 ‐ 8) (4 ‐ 8) Elevators (1 ‐ 1.5) (1 ‐ 1.5) (0.5 ‐ 1) Miscellaneous (1 ‐ 2) (1 ‐ 2) 1 Total (22 ‐ 45) (19.5 ‐ 29) (9 ‐ 12.5)
Normal Power Load Calculations (Preliminary Demand)
Laboratory (VA/sq ft) Animal (VA/sq ft) Other (VA/sq ft)
Lighting (2.5 ‐ 3.5) (2.5 ‐ 3.5) (2.5 ‐ 3.5) Receptacles (2.5 ‐ 3.5) (2.5 ‐ 3.5) (2 ‐ 4) HVAC (8 ‐ 12) (8 ‐ 12) (4 ‐ 8) Laboratory Equipment (5 ‐ 10) (4 ‐ 8) Elevators (1 ‐ 1.5) (1 ‐ 1.5) (0.5 ‐ 1) Miscellaneous (1 ‐ 2) (1 ‐ 2) (1 ‐ 2) Total (20 ‐ 32.5) (19 ‐ 30.5) (10 ‐ 18.5)
Normal Power Load Calculations (Preliminary Demand)
Laboratory (W/sq ft) Animal (W/sq ft) Other (W/sq ft) According to Tim According to the NIH – Design Requirements Manual
Note: Power Factor is the ratio of true power (W) to apparent power (VA); VA = W/PF; The Watt rating determines the actual power purchased from the utility company and the heat loading generated by the equipment. The VA rating is used for sizing wiring and circuit breakers.
Module 6 PG13
2 4 6 8 10 12 14 16
Building 5 Building 6 Building 7 Building 8 Building 9 Building 10 Building 11 Building 12 Building 13 Building 14 Building 16 Building 29 Building 30 Building 31 Building 32 Building 36 Building 38 Building 39 Building 43 Building 48 Building 56 Building 57 Building 59 Building 60 Building 63 Building 66 Building 69 Building 72 Building 73 Building 74
5.6 6.1 8.2 4.8 7 4.1 12 14.5 9.6 8.2 4.2 6.5 13.9 3.8 8.1 9.4 9.6 8.8 8.2 10 6.1 2.1 6.8 5.5 7.1 5.4 6.7 7 5.1 2.9
Total Elect Dem (W/GSF) for Various Labs
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Electrical Loads
Labs21 Best Practice Guide ‐ Right‐Sizing Laboratory Equipment Loads
W/gsf Facility ID
Module 6 PG14
1 2 3 4 5 6 7 8 9 10
Building D5 Building A1 Building A3 Building D4 Building D6 Building D1 Building D3 Building F2 Building D2 Building B1 Building D7 Building C3 Building C2 Building A2 Building F1 Building C1 Building A4
1.14 1.68 1.83 1.85 2 3.22 3.32 3.52 3.92 4.09 5.87 6.03 6.11 8.64 9 9 9.9
Maximum of Int Ave W/SF (Demand) ‐ Plu/Equip Loads ‐ Biology Labs
Labs21 Technical Bulletin ‐ Measured Peak Equipment Loads in Laboratories
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Electrical Loads
W/gsf Building/Space ID
Module 6 PG15
2 4 6 8 10 12 14 16 18 20
Building A8 ‐ Chem Building A7 ‐ Chem Building A5 ‐ Chem Building A6 ‐ Chem Building A9 ‐ Equip Building C4 ‐ Equip Building A10 ‐ Equip Building C5 ‐ Equip
1.77 2.16 3.13 3.69 6.02 7.86 16.73 18.62
Maximum of Int Ave W/SF (Demand) ‐ Plug/Equip Loads ‐ Chem Labs and Equip Rms
Labs21 Technical Bulletin ‐ Measured Peak Equipment Loads in Laboratories
6 PLUMBING AND ELECTRICAL BASICS
W/gsf Building/Space ID
Module 6 Concepts – Electrical Loads
Module 6 PG16
6 PLUMBING AND ELECTRICAL BASICS
WW/SF or VA/SF/gsf University of California ‐ Davis
10 20 30 40 50 60 Lab 1 Lab 2 Lab 3 Lab 4 Lab 5 Lab 6 Lab 7 Design W/SF ‐ Peak Plug Load Assumed for Electrical Design Design Heat W/SF ‐ Peak Plug Load Assumption for Mechanical Design Max VA/SF ‐ Measured Peak Instantaneous Apparent Power Max Ave W/SF ‐ Maximum
- f 15 Minute Averages
Labs21 Best Practice Guide ‐ Metrics and Benchmarks for Energy Efficiency in Laboratories
Module 6 Concepts – Electrical Loads
Module 6 PG17
6 PLUMBING AND ELECTRICAL BASICS
According to the NIH ‐ Design Requirements Manual
- Using average VA/sf values for each load type
According to Tim
- Using average W/sf values for each load type
- 100,000 GSF Science Facility
- 11’ x 36’ Planning Module
- 55% Net to Gross Ratio
- 55,000 NSF
- 70% Lab/Lab Support (38,500 NSF/70,000
GSF)
- 97 Single Lab Modules
- 30% Office/Conference/Support Spaces
(16,500 NSF/30,000 GSF)
Example Facility
Lighting 210 90 Receptacles 840 90 HVAC 665 90 Laboratory Equipment 420 Elevators 87.5 22.5 Miscellaneous 105 30 Total 2327.5 322.5
Normal Power Load Calculations (Demand)
Laboratory (kW) Other (kW) Lighting 210 90 Receptacles 210 90 HVAC 700 180 Laboratory Equipment 525 Elevators 70 15 Miscellaneous 105 30 Total 1820 405
Normal Power Load Calculations (Demand)
Laboratory (kW) Other (kW)
Module 6 Concepts – Electrical Loads
Module 6 PG18
6 PLUMBING AND ELECTRICAL BASICS
Preliminary Facility Electrical Load
- Estimated Max Demand: 2,650kW
- Spare Capacity (25% of Dem): 662.5kW
- Total Load: 3,312.5kW
Preliminary Facility Electrical Service
- At 480Y/277V, 3‐Phase:
(3,312.5 x 1,000)/(480 x 1.732) = 3,984.3A
- Service Size: 3,984.3 x 1.25 = 4,980.4A:
5,000 Amp Service Preliminary Facility Electrical Service
- At 480Y/277V, 3‐Phase:
(2,781 x 1,000)/(480 x 1.732) = 3,345A
- Service Size: 3,345 x 1.25 = 4,181.3A:
4,000 Amp Service Preliminary Facility Electrical Load
- Estimated Max Demand: 2,225kW
- Spare Capacity (25% of Dem): 556kW
- Total Load: 2,781kW
Minimum $25,000 premium for 5,000 Amp Service
Module 6 Concepts – Electrical Loads
Module 6 PG19
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Electrical Distribution Systems
Service Transformer Considerations
- Transformer Location and Type
- Interior versus Exterior
- Dry Type versus Liquid Filled
Module 6 PG20
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Electrical Distribution Systems
Interior Dry‐Type Substation Considerations
- Minimal Impact on Site
- Requires Larger Service Entrance Electrical
Room
- Brings Medium Voltage into Facility
- Requires Additional Clearances for
Equipment
- Requires Additional Ventilation
- Complicates Future Replacement
- Could Compromise Facility Operation upon
Failure or Replacement
Module 6 PG21
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Electrical Distribution Systems
Exterior Pad Mount Transformer Considerations
- Big “Green Box” on Site
- Cost Impact Based on Location Relative to Service
Entrance Equipment
- Requires Smaller Service Entrance Electrical Room
- Keeps Medium Voltage Out of Facility
- Requires External Clearances for Maintenance and
Safety
- Requires Less Ventilation in Electrical Room
- Allows for Future Replacement
- Minimizes Impact on Facility Operation during
Replacement
“Beauty, like supreme dominion is but supported by opinion.”
Benjamin Franklin, Poor Richards Almanac, 1741
Module 6 PG22
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Electrical Distribution Systems
Service Entrance Considerations
- Transformer Location is Often Dictated by Site Considerations
- Transformer Location Should Allow for Ease of Service and Replacement
- Transformer Should be Located Away From Windows, Doors and Exit Pathways
- Transformer and Service Entrance Equipment Should be Located Adjacent to
Each Other
Cost for 2,500 Amp Service Entrance Cabling could be as much as $1,000 Per Linear Foot (Concrete Encased Ductbank)
Se r vic e T r ansfor me r Se r vic e E ntr anc e E le c tr ic al R
- om
Module 6 PG23
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Electrical Distribution Systems
Electrical Room Considerations
- Locate Service Entrance Electrical
Room on Exterior Wall for Protection of Service Entrance Cabling
- Stack Main Electrical Rooms on
each Floor if Possible
- Locate Sub‐Panel Rooms to
Minimize Voltage Drop for 20A, 120V Branch Circuits
Maximum circuit length of approx. 100’ for 8A load (3% VD using #12 AWG)
Se r vic e E ntr anc e E le c tr ic al R
- om in Base me nt Be low
Sub-Pane l E le c tr ic al R
- oms – E
ac h F loor
Module 6 PG24
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Electrical Distribution Systems
Laboratory Panelboard Considerations
Module 6 PG25
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Electrical Distribution Systems
System Coordination
Image from Schneider Electric – Guide to Power System Selective Coordination 600V and Below
Normal Systems “NEC 240.12 Electrical System Coordination. Where an
- rderly shut down is required to minimize the hazard(s) to
personnel and equipment, a system of coordination based
- n the following two conditions shall be permitted:
(1) Coordinated short circuit protection (2) Overload indication based
- n
monitoring systems or devices” Emergency Systems “NEC 700.27 Coordination. Emergency system(s)
- vercurrent devices shall be selectively coordinated with
all supply side overcurrent devices.” “NEC 701.27 Coordination. Legally required standby system(s)
- vercurrent
devices shall be selectively coordinated with all supply side overcurrent devices.” “NEC 708.54 Coordination. Critical operations power system(s)
- vercurrent
devices shall be selectively coordinated with all supply side overcurrent devices.”
NEC – National Electrical Code NEC Article 240 – Overcurrent Protection NEC Article 700 – Emergency Systems NEC Article 701 – Legally Required Standby Systems NEC Article 708 – Critical Operations Power Systems (COPS)
Module 6 PG26
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Electrical Distribution Systems
Electrical Room Considerations
- In Many Cases, Separate Electrical Rooms
are Required for Normal and Emergency Systems:
- “NFPA 110, Section 7.2.2 Level 1 EPSS
equipment shall not be installed in the same room with the normal service equipment, where the service equipment is rated over 150 volts to ground and equal to or greater than 1000 amperes.”
National Fire Protection Association (NFPA )110 – Standard for Emergency and Standby Power Systems Normal Emer
Module 6 PG27
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Electrical Distribution Systems
Electrical Room Considerations
- Some Electrical Rooms Require Two Doors
- “NEC Section 110.26 (C) (2) Large Equipment. For Equipment rated 1,200
amperes or more and over 1.8 m (6 ft) wide…there shall be one entrance to and egress from the required working space…at each end of the working space.”
Door 2 Door 1 NEC Article 110 – Requirements for Electrical Installations
Module 6 PG28
Door 2 Door 1
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Electrical Distribution Systems
Electrical Room Considerations
- Some Electrical Room Doors have Special
Requirements
- “NEC Section 110.26 (C) (3) Personnel
- Doors. Where equipment rated 1,200 A
- r more…and there is a personnel
door(s) intended for entrance to and egress from working space…the door(s) shall open in the direction of egress and be equipped with panic bars…”
NEC Article 110 – Requirements for Electrical Installations
Module 6 PG29
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Electrical Distribution Systems
Emergency Electrical Distribution System Considerations
- Code Considerations
- Type of Facility
- Design Standards
- Emergency versus Standby Requirements
- HVAC Systems/Equipment
- Service Voltage (480Y/277V or 208Y/120V)
- Location of Equipment
- Voltage Drop
- Type of Equipment/Fuel Source
- Future Growth
Module 6 PG30
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Electrical Distribution Systems
Emergency Electrical Distribution Preliminary Sizing and Costs
- According to the NIH:
.002 to .0079 kW/GSF
- According to Tim:
.005 to .010 kW/GSF
- Estimated Cost/kW:
$350 to $450
- 750 kW Diesel Generator System
- Sound Attenuating Type, Weather Housing
- 1,500 Gallon Dual Wall Sub‐base Fuel Tank
- Remote Annunciator and Starting Batteries
- Bypass Isolation Type Switches (2)
- Estimated Installed Cost: $282,750 ($377/kW)
Module 6 PG31
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Drivers – Laboratory Power Distribution Options
Typical Considerations
- Voltage and Phase (120V, 208V, 240V?, single or three phase)
- Electrical Load (amps, volt‐amps, watts)
- Normal or Standby Power
Module 6 PG32
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Drivers – Laboratory Power Distribution Options
Typical Considerations
- Type of Connection (cord and plug, hard‐
wired)
Module 6 PG33
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Drivers – Laboratory Power Distribution Options
Receptacles per Circuit
- Maximum Load on a single 20A, 120V Branch Circuit:
- 16 amps or 1,920 VA
(based on continuous loads as defined by NEC)
- Load per receptacle:
- 180 VA minimum (NEC Article 220)
- Maximum Number of Receptacles per 20A Circuit:
- 1,920 VA per circuit/180 VA per receptacle
= 10.667 receptacles per circuit (NEVER DO THIS IN A LABORATORY!!!!)
- Tim’s Rule of thumb:
- No more than 4 receptacles per circuit,
preferably a maximum of 3
Module 6 PG34
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Drivers – Laboratory Distribution Options
Multiple Options
- Surface Mounted Raceway Systems
- Pedestal (tombstone) Devices
- Flush Wall Mounted Devices
- Miscellaneous Systems (Bus Duct, Floor
Outlets, etc.)
- Overhead Service Carrier Systems
Module 6 PG35
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Drivers – Laboratory Distribution Options
- Dual Channel Surface Mounted
Raceways Above Benches and in Equipment Alcoves
- Cost: $18.76/NSF of Lab Space
- Dual Channel Surface Mounted
Raceways Above Peninsula Benches and Wall Devices in all other Areas
- Cost: $16.71/NSF of Lab Space
Module 6 PG36
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Drivers – Laboratory Distribution Options
- Dual Channel Surface Mounted
Raceways Above Benches and in Equipment Alcoves
- Cost: $18.76/NSF of Lab Space
- Dual Channel Surface Mounted
Raceways Above Peninsula Benches and Wall Devices in all other Areas
- Cost: $16.71/NSF of Lab Space
Module 6 PG37
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Drivers – Flexibility
Planning for Flexibility
- Dedicated neutral and equipment
ground conductors for all lab equipment circuits
- Circuit labels on all device plates
- Minimum ¾” diameter conduit size
for laboratory circuits
- Premium cost: $0.87/NSF of
laboratory space
- 2‐gang outlet boxes with extension
rings, blank covers and 1” empty conduits to corridor ceiling space
- Premium cost: $1.95/NSF of
laboratory space
Module 6 PG38
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Drivers – Laboratory Distribution and Flexibility Options
3/4" conduit $0.87 $33,495 $0.33 Empty boxes $1.95 $75,075 $0.75 1 $18.76 $722,260 $7.22 2 $16.71 $643,335 $6.43 3 $16.25 $625,625 $6.26 4 $19.99 $769,615 $7.70 Total Cost for Lab/Lab Support Power Distibution Cost/GSF Option # Cost/NSF of Labs/Lab Support
- 100,000 GSF Science Facility
- 11’ x 36’ Planning Module
- 55% Net to Gross Ratio
- 55,000 NSF
- 70% Lab/Lab Support (38,500 NSF/70,000
GSF)
- 97 Single Lab Modules
- 30% Office/Conference/Support Spaces
(16,500 NSF/30,000 GSF)
Example Facility
Module 6 PG39
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Technology Systems and Equipment
Considerations
- Wireless versus wired connectivity
- Connectivity everywhere
- Presentation capabilities/intuitive
- peration
- Access control and video surveillance
- Room scheduling
- Impact on personnel/facilities
- Staying current
Module 6 PG40
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Illumination
Direct Illumination
- Good for low floor to floor heights
- Good for extreme environments
- Good source of horizontal illumination
- Relatively efficient (illumination versus energy)
- Causes shadowing
- Causes direct glare
- Causes indirect glare
- Causes veiling reflections
- Psychological impact on perceived
illumination levels
Module 6 PG41
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Illumination
Indirect Illumination
- Good source of horizontal and vertical illumination
- Reduces shadowing
- Reduces issues associated with direct glare
- Reduces issues associated with indirect glare
- Reduces issues associated with veiling reflections
- Requires increased ceiling heights/floor to floor
heights versus direct systems
- Typically not as efficient as direct or direct/indirect
systems
- Not good for extreme environments
- Psychological impact on occupants due to
- bscuration of light source
*Peerless Lighting Headquarters
Module 6 PG42
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Illumination
Direct/Indirect Illumination
- Good source of horizontal and vertical
illumination
- Reduces shadowing
- Reduces issues associated with direct glare
- Reduces issues associated with indirect glare
- Reduces issues associated with veiling reflections
- Typically more efficient than indirect systems
- Requires increased ceiling heights/floor to
floor heights versus direct systems
- Not good for extreme environments
- Positive psychological impact on occupants due to
illumination of all room surfaces
Module 6 PG43
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Drivers – Illumination Levels
Quality versus Quantity
Notes:
- 1. 1 FC = 10.76 Lux
- 2. NIH DRM states that “Care shall be exercised in modeling
laboratories for illumination calculations as shelving shall be assumed as fully loaded…Task lighting shall not be considered in lighting calculations.”
- 3. Lux: a unit of illuminance equal to 1 lumen per square
meter.
- 4. FC: a unit of illuminance equal to 1 lumen per square
foot.
Illumination Level Guidelines
Spac e T ype : NIH De sign Re quir e me nt s Manual (DRM) Se c t ion 10-8 L ight ing L e ve ls Char t in lux (F C) L abor at
- r
y/ L abor at
- r
y Suppor t 800-1075 (75-100)
Note s Cate gor y <25 25 - 65 >65 Gauge Cate gor y <25 25 - 65 >65 Gauge
E
h @ 3'; E v @4'6" AFF
R 250 (25) 500 (50) 1000 (100) Avg P 150 (15) 300 (30) 600 (60) Avg E
h @ 3'; E v @4'6" AFF
T 500 (50) 1000 (100) 2000 (200) Avg R 250 (25) 500 (50) 1000 (100) Avg De mo nstra tio n Are a
Illuminating Engineering Society (IES) Table 24.2: Educational Facilities Illuminance Recommendations
Visual Age s of Obse r ve r s (ye ar s) whe r e at le ast half ar e Re c omme nde d Maintaine d Illuminanc e T ar ge ts in lux (FC) Hor izontal (E
h) T
ar ge ts Ve r tic al (E
v) T
ar ge ts Visual Age s of Obse r ve r s (ye ar s) whe r e at le ast half ar e Applic ations and T asks
Sc ie nc e L a b Be nc h
Notes:
- 1. Table 4.1; Visual Performance Description for Categories P and R:
- Common, relatively small‐scale, more cognitive or fast‐performance visual tasks.
- 2. Table 4.1; Visual Performance Description for Category T:
- Small‐scale, cognitive tasks
The Lighting Handbook; 10th Edition; Reference and Application
Module 6 PG44
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Drivers – Lighting Power Densities
Quality versus Quantity
ASHRAE/IESNA Standard 90.1 ‐ 2010 ‐ Lighting Power Density Comparisons
0.99 0.99 0.99 0.99
Lighting Power Density (W/SF‐ Building Area Method)
0.99 0.99 0.99 0.99
Lighting Power Density (W/SF Space by Space Method)
1.28 1.11 1.23 0.63 0.95 0.75 0.66 0.69 Stairs/Vertical Circulation Lab Storage/Shared Resources Mechanical/Electrical/Telecom Toilets/Locker Rooms Corridors/Horizontal Circulation
Space Type:
Laboratory/Laboratory Support Office Enclosed Conference/Meeting/Multi‐purpose * Based on School/University
Module 6 PG45
6 PLUMBING AND ELECTRICAL BASICS
Typical 3‐Module Laboratory Area per Module: 363 sq. ft. Total Laboratory Area: 1,089 sq. ft.
Module 6 Concepts – Laboratory Illumination
Quality versus Quantity
Module 6 PG46
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Laboratory Illumination
Quality versus Quantity
Typical 3‐Module Laboratory Area per Module: 363 sq. ft. (11’ x 33’) Total Laboratory Area: 1,089 sq. ft. (3 modules)
Lighting Option 1 2 lamp cross section pendant mounted direct/indirect fixtures with T5HO lamps and electronic ballasts Module 6 PG47
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Laboratory Illumination
Quality versus Quantity
Lighting Option 1 2 lamp cross section pendant mounted direct/indirect fixtures with T5HO lamps and electronic ballasts
- 2 lamp cross section pendant mounted
direct/indirect fixtures with T5HO lamps and electronic ballasts
- Six – 12’‐0” long fixtures; 36 lamps
- Total first cost:
$4,797 ($4.41/SF)
- Fixtures:
$4,597
- Lamps:
$200
- Total Watts = 2,160
- Lighting power density (LPD) = 1.98W/SF
(exceeds allowable LPD of 0.99 or 1.28W/SF)
- Maintained Horizontal Illumination Level at
Benchtop = 96.17 FC (meets NIH criteria; exceeds IES criteria)
- First year energy cost: $648.00
- Assumes 12 hours per day (time of day scheduling); 5 days
per week; 50 weeks per year; $0.10/kWH
- 30 year life cycle cost: $40,395.38
$ 4,597.00 (light fixtures) $ 30,828.87 (energy) $ 2,279.48 (lamps) $ 2,690.03 (ballasts)
Assumes group relamping every 5 years Assumes new electronic ballasts every 15 years Assumes 3% escalation per year
Module 6 PG48
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Laboratory Illumination
Quality versus Quantity
Typical 3‐Module Laboratory Area per Module: 363 sq. ft. (11’ x 33’) Total Laboratory Area: 1,089 sq. ft. (3 modules)
Lighting Option 2 2 lamp high efficiency recessed fluorescent fixtures with T8 lamps and electronic ballasts Module 6 PG49
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Laboratory Illumination
Quality versus Quantity
Lighting Option 2 2 lamp high efficiency recessed fluorescent fixtures with T8 lamps and electronic ballasts
Assumes group relamping every 5 years Assumes new electronic ballasts every 15 years Assumes 3% escalation per year
- 2 lamp high efficiency recessed fluorescent fixtures
with T8 lamps and electronic ballasts
- Thirty – 4’‐0” long fixtures; 60 lamps
- Total first cost:
$6,491 ($3.81/SF)
- Fixtures:
$6,300
- Lamps:
$191
- Total Watts = 1,680
- Lighting power density (LPD) = 1.54W/SF (exceeds
allowable LPD of 0.99 or 1.28W/SF)
- Maintained Horizontal Illumination Level at
Benchtop = 75.13 FC (meets lower end of NIH criteria; exceeds IES criteria)
- First year energy cost: $504.00
- Assumes 12 hours per day (time of day scheduling); 5 days
per week; 50 weeks per year; $0.10/kWH
- 30 year life cycle cost: $34,998.32
$ 6,300.00 (light fixtures) $ 23,978.01 (energy) $ 2,179.72 (lamps) $ 2,540.58 (ballasts)
Module 6 PG50
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Laboratory Illumination
Quality versus Quantity
Typical 3‐Module Laboratory Area per Module: 363 sq. ft. (11’ x 33’) Total Laboratory Area: 1,089 sq. ft. (3 modules)
Lighting Option 3 45W LED recessed fixtures Module 6 PG51
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Laboratory Illumination
Quality versus Quantity
Assumes new LED drivers every 15 years Assumes 3% escalation per year
Lighting Option 3 45W LED recessed fixtures
- 45W LED recessed fixtures
- Thirty – 4’‐0” long fixtures
- Total first cost:
$9,750 ($3.81/SF)
- Fixtures:
$9,750
- Lamps:
provided with fixture
- Total Watts = 1,350
- Lighting power density (LPD) = 1.24W/SF (exceeds
allowable LPD of 0.99; meets allowable LPD of 1.28W/SF)
- Maintained Horizontal Illumination Level at
Benchtop = 88.45 FC (meets NIH criteria; meets IES criteria)
- First year energy cost: $405.00
- Assumes 12 hours per day (time of day scheduling); 5 days
per week; 50 weeks per year; $0.10/kWH
- 30 year life cycle cost: $35,743.12
$ 9,750.00 (light fixtures) $ 19,268.04 (energy) $ n/a (lamps) $ $6,725.08 (LED drivers)
Module 6 PG52
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Laboratory Illumination
Quality versus Quantity
Typical 3‐Module Laboratory Area per Module: 363 sq. ft. (11’ x 33’) Total Laboratory Area: 1,089 sq. ft. (3 modules)
Lighting Option 4 2 lamp cross section pendant mounted direct/indirect fixtures with T8 lamps and electronic ballasts Module 6 PG53
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Laboratory Illumination
Quality versus Quantity
Assumes group relamping every 5 years Assumes new electronic ballasts every 15 years Assumes 3% escalation per year
Lighting Option 4 2 lamp cross section pendant mounted direct/indirect fixtures with T8 lamps and electronic ballasts
- 2 lamp cross section pendant mounted
direct/indirect fixtures with T8 lamps and electronic ballasts
- Six – 12’‐0” long fixtures; 36 lamps
- Total first cost:
$4,149 ($3.81/SF)
- Fixtures:
$4,035
- Lamps:
$114
- Total Watts = 1,152
- Lighting power density (LPD) = 1.06W/SF (exceeds
allowable LPD of 0.99; meets allowable LPD of 1.28W/SF)
- Maintained Horizontal Illumination Level at
Benchtop = 51.67 FC (fails to meet NIH criteria; meets IES criteria)
- First year energy cost: $345.60
- Assumes 12 hours per day; 5 days per week; 50 weeks per
year; $0.10/kWH
- 30 year life cycle cost: $23,309.24
$ 4,035.00 (light fixtures) $ 16,442.06 (energy) $ 1,307.83 (lamps) $ 1,524.35 (ballasts)
Module 6 PG54
6 PLUMBING AND ELECTRICAL BASICS
Module 6 Concepts – Laboratory Illumination
1 Pendant Mounted T5HO 96.17 FC $40,395.38 $37.09 $1,428,119.49 2 Recessed T8 75.13 FC $34,998.32 $32.14 $1,237,314.34 3 Recessed LED 88.45 FC $35,743.12 $32.82 $1,263,645.66 4 Pendant Mounted T8 51.67 FC $23,309.24 $21.40 $824,064.04 Option # Total Life Cycle Cost of Lab/Lab Support Lighting Description of Option Maintained Horizontal Illumination Level 30 Year Life Cycle Cost for Three Module Lab (1,089 SF) 30 Year Life Cycle Cost per NSF of Laboratory Area
- 100,000 GSF Science Facility
- 11’ x 36’ Planning Module
- 55% Net to Gross Ratio
- 55,000 NSF
- 70% Lab/Lab Support (38,500 NSF/70,000
GSF)
- 97 Single Lab Modules
- 30% Office/Conference/Support Spaces
(16,500 NSF/30,000 GSF)
Example Facility
Module 6 PG55