WWYK143004_CU508.pdf
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- Attached to
- Tinker AFB MAC BOA - WWYK240176 - Replace Industrial Waste Lift Stations 6N & 6S, B62501
- Solicitation number
- FA813726R0043
About this file
This is a construction design document consisting of underdrain detail specifications for the KC-46A Depot Maintenance Complex Support Infrastructure project at Tinker Air Force Base in Oklahoma City, Oklahoma.
The document is sheet 2 of 2 of a technical drawing set (file WWYK143004CU500-CU516.DWG) prepared under contract W912BV-16-C-0029 by Burns & McDonnell for the U.S. Army Corps of Engineers Tulsa District. The drawings specify underdrain system components including aircraft-rated end and in-line cleanouts, underdrain riser pipes with 6-inch perforated and non-perforated configurations, cleanout blocks, and anchor pads for airfield pavements. Key specifications include L-868 light can and cover assemblies (12-inch size B cans per FAA AC 150/5345-42C), stainless steel finishing bolts installed with anti-seize agent, 24-inch diameter plastic or fiber bottom forms, precision survey requirements for can centering, and concrete recessing 1/8 inch below the top surface. The document details reinforcement requirements using No. 3 and No. 5 deformed bars, graded crushed aggregate base layers, and general embankment fill with drainage layers. Installation notes specify that concrete must not contact underdrain riser pipes, and that spacer rings must be furnished and installed to achieve specified finish elevations. The as-built documentation was marked as of May 2016 with a plot date of July 1, 2026.
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Text version
SCALE: NTS
UNDERDRAIN AIRCRAFT
RATED END CLEANOUTD1
FLOW
FINISH GRADE
CLEANOUT BLOCK
C3
CU508
6" - 45° ELBOW
6" - 45° ELBOW SE
E
U
TI
LI
TY
P
LA
N S
6" PERFORATED
UNDERDRAIN PIPE
USE NON-PERFORATED
UNDERDRAIN PIPE
ABOVE THIS ELBOW
SCALE: NTS
UNDERDRAIN CLEANOUT
RECESSED COVER JOINTC1
SCALE: NTS
UNDERDRAIN AIRCRAFT RATED
IN-LINE CLEANOUTD3
FLOW
FINISH GRADE
CLEANOUT BLOCK
C3
CU508
SE
E
U
TI
LI
TY
P
LA
N S
6" PERFORATED
UNDERDRAIN PIPE
USE NON-PERFORATED
UNDERDRAIN PIPE
ABOVE THIS ELBOW
FLOW
6" - 45° ELBOW
SCALE: NTS
TYPICAL UNDERDRAIN CLEANOUT
ANCHOR PAD IN AIRFIELD PAVEMENTSC3
SCALE: NTS
TYPICAL L-868 LIGHT CAN AND COVER
MODIFICATIONS FOR UNDERDRAIN CLEANOUTD5
SCALE: NTS
CLEANOUT BLOCK DETAILC5
AIRFIELD PCC PAVEMENT
1/2" ±
COVER
SPACER
RINGS
NON-SHRINK GROUT,
5000 PSI AT 28 DAYS
MIN.
CAN BASE
NO. 4 BARS, 6 EQUAL SPACES
LENGTH AS REQUIRED
C1
CU508
GENERAL EMBANKMENT FILL
NO. 3 DEFORMED BARS,
3" SPACING
12" SIZE B BASE CAN
AIRCRAFT PCC.
SECTION 32 13 11
24" DIA. PLASTIC OR
FIBER BOTTOM FORM
FIBER FORM SHALL BE
REMOVED
GRADED CRUSHED
AGGREGATE BASE
PRECISION SURVEY CAN
CENTER, CORE, ATTACH
SPACER RINGS AND LID
USE MUD PLATE FOR
PAVING, PROVIDE SPACER
RINGS AS NECESSARY FOR
FINAL HEIGHT ADJUSTMENT
RECESS FINAL COVER 1/8"
BELOW TOP OF CONCRETE
D5
CU508
60°
2"
2.3"
24"
4"
2"
4"
12" SIZE B BASE CAN,
SEE DETAIL D5
6 - #5 DEFORMED BARS
PER CLEANOUT VERTICAL#3 DEFORMED BARS
DIAMETER AS
REQUIRED
7 LAYERS
3/4" BLANK STEEL COVER WELD
"UDCO" IN 1" BLACK LETTERS
BEFORE GALVANIZING
SPACER RINGS
AS REQUIRED
INSTALL BOLTS WITH
"NO-LOC" ANTI-SIEZE AGENT
UNDERDRAIN CLEANOUT NOTES:
1. USE L-868, CLASS I, 12" SIZE B CAN, REFERENCE FAA AC
150/5345-42C.
2. DO NOT REUSE SHIPPING BOLTS FOR COVER
INSTALLATION.
3. THE FOLLOWING TYPES OF BOLTS SHALL BE FURNISHED
AND INSTALLED WITH EACH BASE.
4. ALL ITEMS SHOWN FOR BASES SHALL BE PART OF
INSTALLATION ASSEMBLY, SPACER RING SHALL BE
FURNISHED AND INSTALLED TO BRING THE COVER
FIXTURE UP TO SPECIFIED FINISH ELEVATION.
5. DO NOT ALLOW CONCRETE TO CONTACT UNDERDRAIN
RISER PIPE.
NOTES:
DRAINAGE LAYER
6"
AIRCRAFT PCC
6"
AIRCRAFT PCC
6" WYE FITTING 12" OPEN
BOTTOM CAN
2" WIDE STEEL
ANCHOR RING
3/8" THICK
(4) 2"X2" STIFFENER
PLATES 3/8"THICK
EQUALLY SPACED
AROUND CAN
TYP.
TYP.
TYP.
" M
IN
IM
U M
A. SHIPPING BOLTS 1/2" LONG DISPOSABLE.
B. SETTING BOLTS, THICKNESS OF JIG
(DETERMINED BY CONTRACTOR).
C. STAINLESS STEEL FINISHING BOLTS, LENGTH AS
REQUIRED TO HOLD DOWN COVER, AS REQUIRED.
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US Army Corps of Engineers Tulsa District
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