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code calculations, construction drawings

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Presentation on theme: "code calculations, construction drawings"— Presentation transcript:

1 code calculations, construction drawings
and elevation/section graphics…

2 rendered ELEVATIONS AND BUILDING SECTIONS

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11 cap energy usage vary by state vary by project type Code calculations

12 Energy Consumption Lighting consumes ~23% of the electricity used in all buildings ~20% of electricity required for air-conditioning results from heat generated by lamps ~ ½ electricity used in commercial buildings is for lighting systems ~10% of electricity consumed in residences is used for lighting

13 life cycle consumption standards
ASHRAE, LEED, etc. Cradle to cradle, energy star, etc. hazardous material disposal planning: HVAC and daylighting integration

14 Light Pollution and Trespass
Excessive glow of light in night sky excess lighting; sources aimed in inappropriate directions dark sky society Light trespass: Glare onto an adjacent property

15 The Massachusetts Energy Code

16 Lighting Power Density (LPD) Maximum Power Usage
Code specifies numeric maximum By Occupancy type Watts/sq. ft. Use formula from Code Use Room finish schedule Add up totals from RCP, total watts per luminaire Adjust fixture total or lamping appropriately if you’re over

17 From CMR 780

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21 calculations using schedule

22 construction drawings

23 lighting equipment schedule

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26 most typical fields: Letter Symbol (from RCP)
Type (mounting + lamp + distribution) Lamp (col’s for number and wattage) Manufacturer Catalog number Finish Mounting Notes

27 detail drawings draw dimensional relationships draw mounting system
note materials (construction and finish) note lamping note mounting detail drawings

28 Stretched ceiling

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32 Special conditions

33 Special conditions

34 Special conditions

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37 ACT meeting GWB wall

38 ACT hung off structure

39 Dimming/Switching Plans
indicate location of controls and groupings of fixtures onto circuits Dimming/Switching Plans

40 Switching: Considerations
Consider location and appearance of controls Consider fixture grouping Consider operation Switched, dimmed, remote controls, PDA controls Pre-set scenes at control Pre-set scenes at central dimming station, computer interface, or telephone activation Consider operators

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43 Systems coordination structural system limitation
HVAC system implications Systems coordination

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46 Steel yourselves

47 Concrete systems

48 Most restrictive

49 Heating and A/C symbols

50 Air systems: how they work

51 Mechanical Plans from the Engineer

52 You need the duct sizing and register locations

53 Diffusers

54 Supply air diffusers

55 Linear diffusers and return grilles

56 average dimensions

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63 Sprinkler spacing Rule of Thumb
7’5’ maximum from side walls 15’ OC maximum

64 Alarms: NFPA 72 indicates where needed

65 Other rules of thumb

66 Wireless Wireless repeaters Every 150’ within direct line of sight
50’ through interior partitions Not at all through masonry/exterior walls Library stacks are worst

67 A/V equipment TV’s, projectors, etc
Sight lines are critical (for viewer and projector) Speakers: Coverage varies greatly by system One in a room Wall or ceiling mtd Stereos, CD’s, etc: within the room

68 Smoke and/or fire detectors
One in every enclosed space One every 50’ Heat and/or optical sensitivity Hard-wired Fire detectors required in some specific occupancies (hazardous)

69 Exit signage and lighting
Wall or ceiling mtd; can be lit internally At every exit door Every 100’ Battery-powered lights Strobe lights with audible alarms in bathrooms and egress corridors

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72 Smoke detectors Hard wired At least 1 in all occupied spaces
Every 30’/900sf Inside ductwork

73 Manual fire alarms Within 5’ of all exits Specific height
Must not project into space more than 4”

74 Visible/audible alarm signals
Within 5’ of all exits Along path of travel

75 Fire extinguishers Within 30’ of cooking equipment
Buildings under construction Open flames Labs, computer rooms, generator rooms

76 so for this project… generate the schedule
manufacturer’s data for decorative only all lighting equipment included include exit signs (find a product) use schedule to calculate LPD switching plan with Key lighting and switches exit signage and any other equipment HVAC


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