8/18/2019 Forebay - Civil
1/1
1
3
0.1 m thick PCC0.2 m flat boulder lining75 mm thick M15 blinding
concrete
Spillway Chute
1 . 5
0
Fine Trashrack (1.6 m X1.5 m)
S p i l l w a y C h u t e ( 1 . 5
0 X 0 . 5
0 )
1
5
5
1
C
B
B
A
A1.50 6.00 2.00
1:50
SECTION A - A
0.2 m thick PCC
0.35 m flat boulder lining
0.2 m thick M15 blinding concrete
2 . 8
0
1
SECTION B - B
0.1 m thick PCC
0.2 m flat boulder lining
75 mm thick M15 blinding concrete
SECTION C -C
C
Cone Flushing System
1445.127 m
1445.577 m
PLAN
1446.127 m
1446.127 m
1 4 4 4 . 1
2 7 m
1443.327 m
0.2 m riprap protection
75 mm compacted soil layer
Concreting (1:3:6) with 40% plum
2
1:50
0.3 m M25 RCC slab
0.30
Anchor Block
0.3 m thick M25 RCC
0.40
1445.127 m 1443.327 m
0 . 4
0
0 . 9
0
0 . 4 0
0.40
0 . 5
0
1.50 6.00 1.70 0.40
1446.127 m
0.50 m Free Board
1444.127 m
1445.627 m
1 4 4 5 . 6
2 7 m
RCC Slab
Spillway
1444.727 m
NWL
1444.427 m
0.1 m thick PCC
75 mm thick M15 blinding concrete
0.2 m flat boulder lining
M25 RCC
0.40 1.50 0.40
3 . 1
0
NWL
0.2 m
Flushing Pipe
1446.127 m
1445.577 m
1443.327 m
1443.027 m
1442.652 m
2 . 8
0
0.07 m Air Vent
0.40 m Penstock
Pipe(5 mm thickness)
1.50 0.40
NWL
1446.127 m
1445.577 m
1444.697 m
1443.327 m
1443.027 m
1442.652 m
Notes:
1. All dimensions are in m, level are in meters above sea
level.
2. This drawing is to be read in conjunction with t he following
drawings:
TKMHP-GL-01, General Layout (Plan)3. The mark, in volume,
used for concrete shall be as follows:
M15 - 1:2:4 (cement : sand : coarse aggregate)
M25 - 1:1:2 (cement : sand : coarse aggregate)
PCC- 1:2:4 (cement : sand : coarse aggregate)
POTENTIAL STUDY OF TAWA KHOLA MHP, TAPLEJUNG
TAWA KHOLA MICRO HYDROPOWER PROJECT,97 kW
FOREBAYPLAN, SECTION AND DETAIL
SHEET 1 OF 2
Civil Drawings
KATHMANDU UNIVERSITYSchoolof EngineeringDepartment of Civiland
Geomatics EngineeringTawa Khola MHPStudy Group,CIEG
2010Dhulikhel,Kavre
Designed:
Drawn:
Checked:
Tawa Khola MHPStudy Group, CIEG 2010
Tawa Khola MHPStudy Group, CIEG 2010
Drawing No: TKMHP-FB-01
ALL DIMENSIONS ARE IN m UNLESS OTHERWISE SPECIFIED.
0 1 1.5 2 3 4meters meters
SCALE
