DWR_2731751

• Document Date: 12/18/2014
• Document Type - Dam Safety: Report
• Division: 1
• Dam ID: 020615
• Subject: HAVANA STREET DAM - SEPT. 2013 DAM FAILURE FORENSIC INVESTIGATION
• DWR Send/Recipient: DAM SAFETY BRANCH - COLORADO DIVISION OF WATER RESOURCES

z
3
0
16'-6"
LEAN CONCRETE
SEE DETAIL THIS SHEET
CONCRETE TOEWALL
SEE DETAIL THIS SHEET
SLOPE
5' -0"
LOW TAILWATER RIPRAP BASIN
SCALE: 1"= Y -0"
INV. EL. 42.00
GEOTEXTILE
DRAINAGE)
CDOT CLASS A)
EMBANKMENT
MATERIAL (SPECIAL)
1
1.51
EXTENTS OF
EXCAVATION
8' -0"
2
11
SECTION
SCALE: 1"= 3' -0"
4' -0'
5' -0" 2' -0" 11-6"
r- ,!j
fwo jl
KO:411
BASE
COURSE DAM CREST
ACCESS ELEV = 5255.4
ROAD
REMOVE
EXISTING
18" CMP
1
30"
1.5 (MIN.)
RCP
PIPE INVERT VARIES
T6' MIN.
V MIN.
40.3
INV. EL.*l**
KEY IN LIFTS PER
DESIGN
SPECIFICATIONS
PROPOSED PIPE AND
CONCRETE CRADLE
4" PVC DRAIN PIPE INV =
30" RCP PIPE INV + 7"
SAND MATERIAL
MEETING ASTM C33
FINE CONCRETE
AGGREGATE
REQUIREMENTS
LEAN CONCRETE.
2000 PSI)
4" SOLID WALL DRAIN TO
EXTEND DOWNSTREAM
FROM FILTER DIAPHRAGM
JOINT FASTENERS SHALL BE INSTALLED
ON ALL FLARED END SECTIONS PER
CDOT M-603 -10
W
J
NOTES:
1. BACKFILL BOTH SIDES OF
TOEWALL EVENLY (WITHIN
V -0" OF EACH OTHER)
14' -0"
4
ih
3b,
4' -0" 3' -0" 4' -0"
FILTER DIAPHRAGM
SCALE: 1" = 4'
BASE COURSE OR
REVEGETATED
TOPSOIL DEPENDING
ON LOCATION ,
RCP PIPE BEDDING
N.T.S.
END SECTION LIMITS OF
CONCRETE
CRADLE
LIMITS OF
TOEWALL ON
r SIDES OF FES
I
ik5 @ 12 "
EW CTRD
ra6i z
w CDOT CLASS B z a
CONCRETE o U
d =a
5 @12 "EW
o '
a
r
I} - CLASS A
8w
FILTER
MATERIAL
LIMITS OF
CONCRE'
CRADI
4" PVC PIPE
FLARED END SECT
REINFORCED
CONCRETE
PIPE
COMPACTED
EMBANKMENT
MATERIAL (SPECIAL)
ALL INTERNAL AND EXTERNAL JOINTS
HAVE BEEN GROUT 5EALED
DRAWING
July 9, 2012
THIS RECORD DRAWING HAS BEEN PREPARED, IN PART, BASED UPON
INFORMATION FURNISHED BY OTHERS. WHILE THIS INFORMATION IS BELIEVED
TO BE RELIABLE, MULLER ENGINEERING COMPANY, INC. CANNOT ASSURE ITS
ACCURACY, AND THUS IS NOT RESPONSIBLE FOR THE ACCURACY OF THIS
RECORD DRAWING OR FOR ANY ERRORS OR OMISSIONS WHICH MAY HAVE
BEEN INCORPORATED INTO IT AS A RESULT. THOSE RELYING ON THIS RECORD
DRAWING ARE ADVISED TO OBTAIN INDEPENDENT VERIFICATION OF ITS
ACCURACY BEFORE APPLYING IT FOR ANY PURPOSE.
41-(1" 6'-0" TYP_ ROTH SIDFS
PIPE DEMOLITION DETAIL TOEWALL DETAIL
SCALE: 1" = 5' N.T.S. SEO # C -1991
DESIGNED: DATE: MULLER ENGINEERING CO., INC. SHEET
DRAWN: DATE: CONSUL 77NGENGINEERS
CHECKED: DATE: MSOU HW"WO THBLVD #4 -100 URBAN DRAINAGE AND FLOOD CONTROL DISTRICT HAVANA STREET DAM IMPROVEMENTS MISCELLANEOUS DETAILS
REVISED: DATE: L4KEWOOD, COLO&4DO
1330
REVISED: DATE: PROJECT NO. 07 -030.08 8 Of 1-413
F -8
t• 1. µ }t :, i.X ti 4•
1' 3' -0" 1'-6" i T
RCP PIPE BEDDING
N.T.S.
END SECTION LIMITS OF
CONCRETE
CRADLE
LIMITS OF
TOEWALL ON
r SIDES OF FES
I
ik5 @ 12 "
EW CTRD
ra6i z
w CDOT CLASS B z a
CONCRETE o U
d =a
5 @12 "EW
o '
a
r
I} - CLASS A
8w
FILTER
MATERIAL
LIMITS OF
CONCRE'
CRADI
4" PVC PIPE
FLARED END SECT
REINFORCED
CONCRETE
PIPE
COMPACTED
EMBANKMENT
MATERIAL (SPECIAL)
ALL INTERNAL AND EXTERNAL JOINTS
HAVE BEEN GROUT 5EALED
DRAWING
July 9, 2012
THIS RECORD DRAWING HAS BEEN PREPARED, IN PART, BASED UPON
INFORMATION FURNISHED BY OTHERS. WHILE THIS INFORMATION IS BELIEVED
TO BE RELIABLE, MULLER ENGINEERING COMPANY, INC. CANNOT ASSURE ITS
ACCURACY, AND THUS IS NOT RESPONSIBLE FOR THE ACCURACY OF THIS
RECORD DRAWING OR FOR ANY ERRORS OR OMISSIONS WHICH MAY HAVE
BEEN INCORPORATED INTO IT AS A RESULT. THOSE RELYING ON THIS RECORD
DRAWING ARE ADVISED TO OBTAIN INDEPENDENT VERIFICATION OF ITS
ACCURACY BEFORE APPLYING IT FOR ANY PURPOSE.
41-(1" 6'-0" TYP_ ROTH SIDFS
PIPE DEMOLITION DETAIL TOEWALL DETAIL
SCALE: 1" = 5' N.T.S. SEO # C -1991
DESIGNED: DATE: MULLER ENGINEERING CO., INC. SHEET
DRAWN: DATE: CONSUL 77NGENGINEERS
CHECKED: DATE: MSOU HW"WO THBLVD #4 -100 URBAN DRAINAGE AND FLOOD CONTROL DISTRICT HAVANA STREET DAM IMPROVEMENTS MISCELLANEOUS DETAILS
REVISED: DATE: L4KEWOOD, COLO&4DO
1330
REVISED: DATE: PROJECT NO. 07 -030.08 8 Of 1-413
F -8