A5 Attachment 2 Revised Page 27_153-D-60026.pdf
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- Attached to
- Big Sandy Dam Reservoir Enlargement
- Solicitation number
- 140R4020R0015
About this file
This document is an engineering drawing package related to a federal solicitation for the Big Sandy Dam Reservoir Enlargement project. The drawings provide design details for raising the spillway crest at the Big Sandy Dam, including a plan view, profile, sections, and table with coordinates for 20 spillway anchors. The work involves concrete removal, excavation to widen the spillway chute, and placement of new reinforced concrete to raise the spillway crest elevation. The solicitation is issued by the Bureau of Reclamation within the Department of the Interior with number 140R4020R0015. The responsive drawings provide specifications for the structural design and reinforcement of the raised spillway crest to meet the performance requirements of the enlargement project.
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Text version
Anchor Table Anchor # Northing Easting
576373.59
576369.75
576365.91
576362.07
576358.23
576354.38
576350.54
576346.70
576342.86
576339.02
576335.18
576331.34
576327.50
576323.66
576319.82
576315.98
576312.14
576308.30
576304.45
576300.61
316279.68
316272.09
316264.51
316256.93
316249.34
316241.76
316234.18
316226.60
316219.01
316211.43
316203.85
316196.26
316188.68
316181.10
316173.52
316165.93
316158.35
316150.77
316143.19
316135.60
Spwy Sta. 1+00 Ogee Sta. 11+00, extent of existing crest.
N: 576,294.2 E: 316,131.8
Cr.J, match existing Cr.J (typ.)
Upstream face of existing ogee crest
Axis of existing ogee crest, El. 6757.50
Limit of new crest, approx. Ogee Sta. 10+97.5
Ogee Sta. 12+70.8, extent of existing crest
Limit of new crest, approx. Ogee Sta. 12+71.2
25' - 0"25' - 0" (Typ.)
Spillway invertSpillway S=0.065
1/ 2:
11/ 2:
1/ 2:
1/ 2:
1/ 2:
El. 6736.00
Top of existing wall, El. 6769.00
Top of existing wall, El. 6769.00
1/ 2:
Zone 1A
Cr.J, El. 6749.50, limit of concrete removal
N 63° 08' 15" E
N 65° 00' E
Big Sandy Reservoir
New ogee crest, El. 6762.50
A
A
B 60027 C
60027
60027
Spillway anchor (typ.)
16' - 0"
E 60027
Zone 1A, El. 6755.5 (Typ.)
Grade Zone 1A uniformly from El. 6755.5 to limit of excavation, or as directed by COR
Spillway Anchor #1
1/ 2:
1/ 2:
CJCr.J
Spillway access not shown, see (60004)
90.0° (Typ.)
.0°
(T yp
Cr.J
Approximate extent of excavation and Zone 1A, see (60028)
FL
O
W
FL
O
W
8' - 6" (Typ.)
New ogee axis
Spillway anchor #20
170' - 9 5/8"
F 600272' - 3"
Ogee Sta. 11+04
2' - 3"
Spillway anchor (typ.)
Ogee Sta. 12+70.8, Spwy Sta. 2+70
25' - 0" (Typ.)
Cr.J, match existing crest Cr.J's (typ.)
S=0.065
Cr.J, match existing crest Cr.J's (typ.)
Ct.J
El. 6769.00 El. 6769.00
El. 6736.00
9" Retrofit PVC waterstop
Existing wall backfill not shown
FLOW
9" Retrofit PVC waterstop
Approximate top of rock surface, see (60028)
Bottom of Grade Beam, El. 6754.8
60027
El. 6749.50 Cr.J
10"
10"
Cr.J, extent of concrete placement
Ct.J not shown
Existing left training wall
Existing right training wall
8' - 6" (Typ.)
F 60027
10" 10"
El. 6756.50 , Top of grade beam
Spillway anchor #1 Spillway anchor #20
D
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RECLAMATION
Managing Water in the West
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DESIGNED
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DRAWN
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MIGUEL HERNANDEZ
JONATHAN EAST
MIGUEL HERNANDEZ
JONATHAN EAST, P.E.
WALTER HEYDER, P.E.
DENVER, CO 2019-03-01
SPILLWAY CREST RAISE
ISOMETRIC, PLAN,
PROFILE, AND ANCHOR
TABLE
153-D-60026
PLAN
A SECTION
FLOW
NOTES
REFERENCE DRAWINGS
1. For general concrete outline and reinforcement, see 40-D-60003.
2. For minimum requirements for detailing reinforcement, see 40-D-60004
(Table 4.5-60).
3. Design of reinforcement based on reinforcing steel having a minimum specified yield strength of 60,000 psi and concrete having a minimum compressive strength of 4,500 psi @ 28 days.
4. Reinforcement required but not shown.
5. Anchor Table gives the location of the Spillway Anchors (All-Thread Bars) as Northing/Eastings, from right to left looking downstream.
6. Spwy Sta. refers to existing stationing along the spillway chute axis from
FIO drawings, Ogee Sta. refers to new stationing along the existing ogee axis.
7. Retrofit waterstop measurement taken from of bulb.
EXISING SPILLWAY CREST - CONCRETE REMOVAL PLAN
AND SECTIONS__________________ 153-D-60049
SPILLWAY CREST RAISE - EXCAVATION _____________________ 153-D-60028
SPILLWAY CREST RAISE - REINFORCEMENT PLAN AND PROFILE __ 153-D-60029
GENERAL PLAN, SITE ACCESS, CONTRACTOR USE
AREAS AND MODIFICATIONS___________________________ 153-D-60002
GENERAL PLAN OF EXISTING CONDITIONS (1 OF 2) ___________ 153-D-60004
0 10' 20'
0 10' 20'
(NOT TO SCALE)
ISOMETRIC
SHEET 1 OF 2
Top of new ogee crest, El. 6762.50
FLOW
FL
O
W
RE
V
N O
ST
A. D
-0
6-
Jo na th an
Ea st
,P .E
Re vi s e d lin et y p e fo r to p of ro ck
. M in or te x t re vi s i on s.
RE
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-0
9-
Jo na th an
Ea st
,P .E
Re vi s e d no te o n
PL
AN
v i ew to in d i ca te Zo n e 1A is pl a c ed up st re am of th e og ee c r es t.
JONATHAN EAST, P.E.
WALTER HEYDER, P.E.
153-D-60026 ShtNo: 27
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