Section Cover Page
Section 26 24 16
Distribution Panelboards
2010-11-01
Use this Section to specify all requirements for distribution panelboards for medium to large projects
that incorporate molded case breakers or fused switches with bus capacities in the range from 400 to
1200 Amperes which subfeed branch circuit panelboards, motor control centres and other large point
loads.
This Master Specification Section contains:
.1
This Cover Sheet
.2
Data Sheets – Reference Documents
.3
Data Sheets - Sample Schedules
.4
Specification Section Text:
1.
1.1
1.2
1.3
1.4
1.5
1.6
General
Related Requirements
Reference Documents
Source of Supply
Product Data
Coordination
Delivery, Storage and Handling
2.
2.1
Products
Distribution Panelboards
3.
3.1
3.2
Execution
Installation
Schedules
BMS Basic Master Specification
Alberta Infrastructure
Master Specification System
Page 0
Data Sheet - Sample Schedules
Section 26 24 16
Distribution Panelboards
2010-11-01
Distribution Panelboard 6D1 347/600 Volt, 3 Phase,
4 Wire Bus: 1200 Amperes, Enclosure: Surface
Load
Brkr Frame
Size (AMPS)
Poles
Trip
GFP
Feeder
Panel P-6B
100
3
70
No
32 mm 4#3 X-L
MCC No. 1
225
3
200
Yes
50 mm 4#1/0 XL
Note:
3 - 3 pole, 100 Amp frame spaces
3 - 3 pole, 225 Amp frame spaces
Distribution Panelboard 2D1 120/208 Volt, 3 Phase, 4 Wire
Bus: 600 Amperes, Enclosure: Flush
Load
Brkr Frame
Size (AMPS)
Poles
Trip
GFP
Feeder
Panel 2A
100
3
100
No
32 mm 4#3 XL
Note:
1 - 3 pole, 100 Amp frame spaces
4 - 3 pole, 225 Amp frame spaces
BMS Basic Master Specification
Alberta Infrastructure
Master Specification System
Page 02
Data Sheet - Sample Schedules
Section 26 24 16
Distribution Panelboards
2010-11-01
Distribution Panelboards 347/600 Volt, 3 Phase, 4 Wire
Panel
Board
CDP-1
CDP-2
Bus
400
800
Encl
surface
surface
Brkr Frame
Size/Tripd
(AMPS)
Poles
Qty
GFP
Feeder
100 / 100
225 / 200
400 / 400
3
3
3
4
3
1
no
no
yes
225 /
3
(3)
-
32 mm 4#3 X-L
50 mm 4#1/0 X-L
2 - 50 mm
4 # 3/0 X-L
space only
100 / 70
225 / 150
400
3
3
3
3
2
(2)
no
no
-
32 mm 4#6 X-L
50 mm 4#1/0 X-L
space only
Distribution Panelboards 347/600 Volt, 3 Phase, 4 Wire
Panel
Board
Bus
Encl
CDP-3
800
surface
BreakerF
rame
Size
(AMPS)
Poles
Qty
Trip
GFP
Feeder
100
400
3
3
3
3
100
300
225
3
(3)
no
yes
-
32 mm 4#3 X-L
75 mm 4#300
MCM X-L
spaces only
END OF DATA SHEETS
BMS Basic Master Specification
Alberta Infrastructure
Master Specification System
Page 03
Section 26 24 16
Distribution Panelboards
Page 1
Plan No:
Project ID:
1.
General
1.1
RELATED REQUIREMENTS
.1
.2
.3
.4
.5
.6
.7
.8
.9
.10
1.2
Submittal Procedures:
LEED Requirements:
Waste Management and Disposal:
Concrete Housekeeping Bases:
Electrical General Requirements:
Boxes and Fittings:
Conduit:
Electrical Identification:
Testing, Adjusting and Balancing of
Electrical Equipment and Systems:
Overcurrent Protective Devices:
Section 01 33 00.
Section 01 35 18.
Section 01 74 19.
Section 03 30 00.
Section 26 00 10.
Section 26 05 33.
Section 26 05 34.
Section 26 05 53.
Section 26 08 10.
Section 26 18 16.
REFERENCE DOCUMENTS
.1
Canadian Standards Association (CSA)
.1
1.2
CSA C22.2 No. 29M1989 (R2004)
Panelboards and Enclosed Panelboards
SOURCE OF SUPPLY
.1
1.3
All distribution panelboards shall be by a single manufacturer.
PRODUCT DATA
.1
Comply with requirements of Sections 26 00 10.
.2
Provide manufacturer's product data for all systems and components.
.3
Provide data on manufacturer's recommended environmental conditions for equipment
affected by temperature.
1.4
COORDINATION
.1
1.6
Coordinate size and location of concrete housekeeping bases with work specified in
Section 03 30 00.
DELIVERY, STORAGE AND HANDLING
.1
2010-11-01 BMS Version
Separate waste materials for [reuse] [and] [recycling] in accordance with Section
01 74 19 - Waste Management and Disposal.
Section 26 24 16
Distribution Panelboards
Page 2
Plan No:
Project ID:
2.
Products
2.1
DISTRIBUTION PANELBOARDS
.1
Distribution panelboards to CSA C22.2 No.29 and as follows:
.1
Bus characteristics:
.1
Construction: rectangular section [copper] [aluminum] [silver] [tin] plated
joints.
SPEC NOTE: Aluminum not permitted when bus capacity exceeds 600 Amperes.
.2
.2
Bracing: [50,000] [
] Amperes symmetrical.
.3
Neutral: full capacity, solid neutral design.
.4
Ground bus: copper.
Enclosure:
.1
.2
.3
Prefinished painted sheet steel.
Uniform height, depth and width.
[Drip cover.]
SPEC NOTE: Specify drip cover only when distribution panelboard is installed in a room with
sprinklers.
.3
Trim:
.1
[Hinged door on door construction] [Screw-on] [Hinged] cover dished
back to device face with [no] [hinged locking] door, [2] [ ] keys per unit.
SPEC NOTE: Specify hinged locking door when distribution panelboard is installed in a room with
sprinklers.
.4
Overcurrent Protective Devices: [bolt-in breakers] [fused switches] as specified in
Section 26 18 16.
3.
Execution
3.1
INSTALLATION
.1
Install panelboards securely, plumb and square to adjoining surfaces. Mount panelboards
1800 mm and larger on 100 mm concrete base.
.2
Install panelboards flush or surface as indicated.
2010-11-01 BMS Version
Section 26 24 16
Distribution Panelboards
Page 3
Plan No:
Project ID:
.3
Mount panelboards at not less than 1800 [
.4
Connect loads to feeder breakers as specified in distribution panelboard schedules.
.5
[Breaker] [Fused switch] sizes as specified in distribution panelboard schedules.
3.2
] mm to top of trim.
SCHEDULES
SPEC NOTE: Number Distribution Panelboard Schedules sequentially starting with the highest
voltage in system and working down.
SPEC NOTE: Following is the individual schedule format.
Distribution Panelboard [ ] [347/600], [ ] Volt, [3] Phase,
[4] Wire Bus: [ ] Amperes, Enclosure: [
]
Load
Brkr Frame
Size (AMPS)
Poles
Trip
[GFP]
Feeder
[ ]
[
[ ]
[
[
[
]
]
]
]
SPEC NOTE: Following is the Summary Schedule Format.
Distribution Panelboards [ ] Volt, [ ] Phase, [ ] Wire
Panel
Board
Bus
Encl
[ ]
[ ]
[
2010-11-01 BMS Version
]
Breaker
Frame
Size
(AMPS)
Poles
Qty
Trip
[GFP]
Feeder
[
[ ]
[ ]
[
[
[
]
]
]
]
Section 26 24 16
Distribution Panelboards
Page 4
Plan No:
Project ID:
END OF SECTION
2010-11-01 BMS Version