6140
R2
00
00
8200
-
-
752000
R4
00
0
7250
5800
R4000
10
°
17000
6609
IDCT-2
345000
Digitally signed
Signature Not
Verified
by AMIT
GUPTA
Date:-:39:13 IST
Reason: CAT I
Location:
NTPCEOC
4250
00
R4
5307
-
0
0
R650
R9
00
0
Description
Width of the channel
Min Water Level
Invert Level
Depth of the channel
Hydraulic radius
Roughness
Velocity(Max.)
Slope
Length of the channel
Vertical Drop
Slope calculation by Manning's Formula
Symbol Unit
Formulae
b
y
R
n
V
S
L
m
m
m
m
m
A/P
m/sec
From reference tables for
concrete finished surface
Q/A
2/3 2
((Q/A)*n/R )
m
m
S*L
At CT-2
At CT-1
-
-
0.017
0.017
-
-
Slope calculation by Manning's Formula
Description
Symbol Unit
Width
Min Water Level
Invert Level
Depth
Hydraulic radius
b
y
R
Formulae
m
m
m
m
m
A/P
m/sec
From reference tables for
concrete finished surface
Q/A
Roughness
Velocity(Max.)
n
V
Slope
Length of the channel
Vertical Drop
S
L
Description
Unit
Flow
Width of the channel
Min Water Level
Invert Level
Depth of the channel
Velocity(Max)
m3/hr
m
m
m
m
m/sec
Description
Unit
Flow
Width of the channel
Max Water Level
Invert Level
Depth of the channel
Velocity(Max)
m3/hr
m
m
m
m
m/sec
-
2/3 2
((Q/A)*n/R )
m
m
S*L
AT POINT A
AT POINT B
-
-
AT IDCT outlet Before Trash rack-
At CT-1
after trash
rack / stop
log gate
-
-
AT POINT B' AT POINT C-
-
Compliance Report
NTPC Drawing/Document No.:-A(R1)-PVC-C-096
Vendor Drawing/Document No.:-
Revision:
2
Drawing/Document Title :
GA & RC detail of CW channel
Date:
5/21/2019
Project :
SIMHADRI SUPER THERMAL POWER PROJECT STAGE-I(2X500MW)
Contractor :
FANS a.s.
Drawn :
AS
Package:
Checked :
FRP IDCT PACKAGE
YKR
Item No.:
NTPC Comment
FANS reply/comments
1
Take necessary permission from project authority for the proposed interconnection.
Noted & Confirmed.
2
Provide sheet piling or necessary slope protection measures to avoid stability of the
existing structures.
In Section X1-X1, IL shall be (+) 4.1 M instead of (+) 4.2M.
Monorail supporting structure details shall be verified alongwith the design calculation
of stoplog/trashrack/lifting beam.
Sheet piling or necessary slope protection measures (if required) shall be
provided while executing the CW Channel work. Sothat Existing structures shall
It will be (+) 4.2M only. Section X1-X1 is correctly marked in revised drawing.
Noted.
5
Furnish jointing detail of existing channel raft and wall with proposed channel.
6
Expose reinforcement of the existing channel and properly lap with proposed new
channel reinforcement.
Refer section X2-X2 of drawing no-A(R1)-PVC-C-096 and Refer view XX & Detail 'C' etc. of drawing no-A(R1)-PVC-C-106 for jointing detail of
existing channel raft and wall with proposed channel.
Noted. Refer view X-X & Detail 'C' etc. of drawing no-A(R1)-PVC-C-106
for more clarity.
3
4