E-101 - GROUNDING PLAN.pdf
PDF 285 KB Posted
- Attached to
- Construct VM/AGE Complex Federal contract opportunity
- Solicitation number
- W50S8W25RA003
- Issued by
- Department of the Army National Guard
About this file
This document is an electrical grounding plan (E-101) for a Wyoming Air National Guard Combined Vehicle Maintenance & Age Facility project. The technical drawing details a comprehensive grounding system design, including a ground ring that completely encircles the building, #4/0 bare copper cable installations, and multiple grounding electrodes. Key specifications include ground rods (3/4" diameter x 10' long), test wells, main grounding busbars (MGB), and specific grounding connections for building steel, foundation slab rebar, and door frames.
The drawing includes detailed general notes outlining grounding requirements, such as electrode placement (minimum 5'-0" outside building foundation, 3'-0" below finished grade), bonding of additional electrodes like Ufer grounds and metal underground water pipes, and mandating exothermic connections for underground or concrete-encased grounding connections. The plan is part of a B3 submission (100% complete) dated 11/22/2024, associated with solicitation number W9133L-16-D-0009, and prepared by AECOM Technical Services, Inc.
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Text version
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#4/0 BARE
COPPER (TYP),
UNO. BURY 3'-0"
BELOW GRADE
TEST WELL AND 3/4"
DIAMETER X 10' LONG
GROUND ROD
(TYP.)
3/4" D X 10' L
GROUND ROD (TYP)
TEST WELL AND 3/4"
DIAMETER X 10' LONG
GROUND RODTEST WELL AND 3/4"
DIAMETER X 10' LONG
GROUND ROD
TEST WELL AND 3/4"
DIAMETER X 10' LONG
GROUND ROD
TEST WELL AND 3/4"
DIAMETER X 10' LONG
GROUND ROD
S3.4
SB
SC
S4 S5 S6 S7 S8 S9 S10
#4/0 BARE
COPPER
(TYP)
PBB
MGB
SBB
GROUND BAR
(TYP.)
1 (TYP.)
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PLAN
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KEY PLAN
8' 16' 32'
1/16"=1'-0SCALE:
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KEYNOTES
1 #1 AWG CONDUCTOR TO LIGHTNING
PROTECTION SYSTEM ON ROOF. REFER TO
SHEET E-102 FOR ADDITIONAL
INFORMATION.
2 PROVIDE A MINIMUM 1/4"X4"X24" MAIN
GROUNDING BUSBAR "MGB". INCREASE SIZE
AS REQUIRED TO MAKE NECESSARY
CONNECTIONS. COORDINATE LOCATION IN
FIELD. CONNECT TO ALL PRESENT
GROUNDING ELECTRODES AT THE BUILDING
PER DETAIL 1/E-505 (BUILDING STEEL, UFER,
METAL WATER PIPE, AND GROUND RING
AND LPS).
3 COORDINATE "PBB" SIZE AND LOCATION
WITH TELECOM DRAWINGS.
4 COORDINATE "SBB" SIZE AND LOCATION
WITH TELECOM DRAWINGS.
5 PROVIDE A 1/4"X4"X12" BUS BAR FOR USER
CONNECTIONS. COORDINATE LOCATION IN
FIELD.
6 PROVIDE A 1/4"X4"X12" BUS BAR.
COORDINATE FINAL LOCATION IN FIELD.
COORDINATE LOCATION IN FIELD. CONNECT
TO ALL PRESENT GROUNDING ELECTRODES
AT THE BUILDING PER DETAIL 1/E-505
(BUILDING STEEL, UFER, AND GROUND RING
AND LPS).
7 PROVIDE 2#6 BARE COPPER GROUND
CONNECTIONS TO EACH DOOR FRAME IN
THE REFULER MAINTENANCE BAY FOR
STATIC DISCHARGE. BOND CONDUCTORS
TO THE GROUND RING WITH EXOTHERMIC
CONNECTIONS. UTILIZE BOLTED
COMPRESSION CONECTIONS ON THE DOOR
FRAMES.
A. REFER TO TELECOM DRAWINGS FOR
ADDITIONALTELECOM GROUNDING DETAILS.
B. GROUND RING SHALL BE INSTALLED A
MINIMUM 5'-0" OUTSIDE OF THE BUILDING
FOUNDATION AND A MINIMUM OF 3'-0" BELOW
FINISHED GRADE. GROUNDING ELECTRODES
SHALL IN NO INSTANCE BE LESS THAN 1'-0"
BELOW SOIL GRADE AND 3'-8" FROM
FOUNDATION WALL.
C. GROUNDING RING SHALL COMPLETELY
ENCIRCLE THE BUILDING AND CONSIST OF #
4/0 BARE COPPER CABLE WHICH SHALL BE
CONNECTED TO EXISTING FACILITIES GROUD
RING.
D. GROUNDING RING SHALL BE CONNECTED TO
THE BUILDING GROUNDING SYSTEMS WITH #
4/0 COPPER CABLES AND LIGHTNING
PROTECTION SYSTEMS AND A MINIMUM OF 4
CONNECTION SHALL BE PROVIDED.
E. ADDITIONAL ELECTRODES SUCH AS UFER
GROUNDS OR METAL UNDERGROUND WATER
PIPES SHALL BE BONDED TO THE
GROUNDING SYSTEM. THE GROUNDING
ELECTRODE CONDUCTORS SHALL BE
PHYSICALLY PROTECTED AND SHALL BE
BONDED TO THE ELECTRODE WITH
EXOTHERMIC WELDS.
F. BUILDING STEEL AND FOUNDATION SLAB
REBAR SHALL BE BONDED TO THE GROUND
SYSTEM TO ENSURE THE ENTIRE SYSTEM IS
EQUIPOTENTIAL.
G. ALL GROUNDING CONNECTIONS BELOW
GROUND OR ENCASED IN CONCRETE SHALL
BE MADE WITH EXOTHERMIC TYPE
CONNECTIONS.
1/16" = 1'-0"1
GROUNDING PLAN
GENERAL NOTES:
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