SOK-D-NXRAD-E024.pdf
PDF 234 KB Posted
- Solicitation number
- 6973GH-20-R-00139
About this file
This document summarizes a federal contract solicitation for replacement of an engine generator shelter. The Federal Aviation Administration is seeking to replace an existing 9' x 25' engine generator shelter with a 13' x 25' concrete masonry unit shelter at its NEXRAD facility in Loleau, Kauai, Hawaii. Interested contractors must submit fixed-price proposals by August 31, 2020 to be considered for award of a construction contract. Prior to submitting proposals, questions regarding the project scope, drawings or specifications must be received in writing by August 24th to allow for response. Offerors must also be registered in the System for Award Management database by the closing date.
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Text version
PLAN VIEW
GRADE
18" WIDE TRENCH
- NOT TO SCALE
PLAN VIEW
SECTION VIEW
5’-0"
4’-0"6" 6"
- NOT TO SCALE
2 (TRAFFIC RATED)
MANHOLE - TYPE C-A DETAIL
10’
NOT TO SCALE
MANHOLE GROUNDING DETAIL
PVC COATED RGS
(600V - PVC COATED RGS)
CABLE TRENCHING & CONDUIT DETAIL
INSTALL 6" WIDE SAFETY
RED METALIC FOIL
LAMINATED CAUTION TAPE
1" DIAMETER OPENING
FOR GROUND ROD
WHERE APPLICABLE
DIRT (BACKFILL)
SEE NOTE BELOW
CLEAN BACKFILL
(6" MIN TYP)
NOTES:
PLACE AND COMPACT BACKFILL IN 6" LIFTS TO TOP OF TRENCH TO
SAME SOIL DENSITY AS ADJACENT UNDISTURBED SOIL. TRENCHES
BACKFILLED AREAS SHALL BE COMPACTED TO 95% MAX SOIL
DENSITY PER MODIFIED PROCTOR METHOD ASTM D-1557. SMOOTH
GRADE & SPREAD SEED/SOD TO MATCH SURROUNDING
UNDISTURBED AREAS.
SUMP WITH COVER
FAA POWER
NOTES:
WHEN SETTING MANHOLES PROVIDE A MINIMUM 7’-0" X 7’-0"
EXCAVATION AT THE REQUIRED DEPTH. DO NOT OVER-EXCAVATE.
THE MANHOLE LOWER HALF SHALL BE SET ON A 4" BED OF
CRUSHED STONE (ASTMD448 #57) ON UNDISTURBED EARTH. ADD A
LAYER OF GEOTEXTILE FABRIC BETWEEN THE GRAVEL AND EARTH
TO ENHANCE SOIL STABILITY.
CONTRACTOR SHALL APPLY NON-SHRINK GROUT ALL AROUND
DUCTS ON OUTSIDE OF MANHOLES WHERE DUCTS INTERSECT
TERMINATORS OR CORED OPENINGS.
MANHOLE DIMENSIONS ARE TYPICAL AND MAY VARY PER
MANUFACTURER SPECIFICATIONS.
1.
2.
3.
INSTALL 1" DIAMETER
OPENING FOR GROUND
WIRE
INSTALL PULLING IRONS
OPPOSITE EACH DUCT
ENTRANCE TOP & BOTTOM
SECTIONS
INSTALL GALVANIZED
STEEL H-20 WHEEL
LOADING 48"x48"
OPENING (CLEAR
OPENING) OR
APPROVED EQUAL.
HATCH COVER LETTERED
"FAA POWER"
INSTALL 1" DIAMETER
OPENING FOR GROUND
WIRE
INSTALL CABLE
MOUNTING BRACKETS
AS REQUIRED (TYP 4)
EXOTHERMIC
WELD
MANHOLE
DUCTBANK
NOTES:
GROUND CONDUCTORS WITHIN MANHOLE (GROUNDING SYSTEM)
SHALL HAVE A 8" (MIN.) BEND RADIUS (WHEN TRANSITIONING FROM
ONE INTERIOR WALL TO THE NEXT) REGARDLESS OF THE
ORIENTATION (HORIZONTAL OR VERTICAL).
ALL SUBSURFACE GROUND CONNECTIONS SHALL BE
EXOTHERMICALLY WELDED.
INSTALL COPPER GROUND PLATE
1.
2.
3.
COPPER
GROUND
PLATE.
SEE NOTE 3
INSTALL 4/0 BARE CU.
INSTALL
4/0 CU
GND WIRE
INSTALL
10’ X 3/4"
COPPER CLAD
GROUND ROD
E D
M
IS
S
U E
D F
O R
HI
WY
JKB
ES 08/29/2018 1704153
SOK-D-NXRAD-E024
C O
N S
T R
U C
T
IO
N
ENGINEERING SERVICES
INFRASTRUCTURE
NEXRAD
GROUNDING DETAILS
EXCAVATION, MANHOLE AND
KAUAIIOLEAU
PROJECT ENGINEER MGR: ENGINEERING - LA
s o k -d -n x ra d -e
.d g n
DRAWING PRODUCED ON WSA MICROSTATION SYSTEM
ATO - TECHNICAL OPERATIONS WESTERN SERVICE AREA
REPLACEMENT SHELTER FOR EG
s o k -d -n x ra d -e
.d g n
/1
/2
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M Is a b e ll e C
T R I n a
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8 7 6 5 4 3 2 1
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12345678
REVDRAWING NO
DATE JCN
APPROVED BY
ISSUED BY
CHECKED
DRAWN
DESIGNED
SUBMITTED BY
REVIEWED BY
FEDERAL AVIATION ADMINISTRATION
DEPARTMENT OF TRANSPORTATION
REV
DATE
APPROVED
DESCRIPTION JCN
DATE
REDLINE
APVD
A
| 2020-05-06T15:25:08-0700 | |
| ELYZZA E SESON |
| 2020-05-06T16:20:14-0700 | |
| HARRY MOREAU |
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