RCC MH COVER SLAB FRONT VIEW

1
RCC MH COVER SLAB- FRONT VIEW
D1
15CM
40CM
120CM
KEY HOLE AND KEY ARRANGEMENT
Top view
A
A
BSNL 2004
40CM
MS CHANNEL 150 X 75 X 6 MM
120CM
Page-31
2
RCCMH COVER SLAB APPEARANCE
D2
120cm
160cm (4no x 40cm)
15cm Thickness
Reinforcement Cement Concrete Mix Details for
MH Cover Slabs
CEMENT CONCRETE 1 1 2 (1Cement 1 Coarse Sand
2 Grade stone Aggragate of 12.5MM nominal size)
Page-32
WITH 12 MM REINFORCEMENT AND 10 X 10 CM GRID
3
RCC MH BOTTOM PLAN OF COVER SLAB
D3
MS SHEET 18 GUAGE GALVANISED
FLAT 5CM WIDE WELDED TOCHANNEL
40CM
30CM
RCC MH SECTION AA VIEW
1.5 DIA MS PIPE WELDED TO BOLT HEAD
1.25 DIA BOLT-5.5 LENGTH WELDED WITH FLAT
MS CHANNEL 150 X 75 X 6 MM
15 CM
CEMENT CONCRETE 1 1 2 (1-CEMENT
1-COARSE SAND 2-GRADED
STONE AGGREGATE OF SIZE 12.5MM
MS SHEET 18 GUAGE WELDED TO CHANNEL
5CM WIDE FLAT WELDED TO CHANNEL
Page-33
4
D4
25 MM DIA ROD
THREADED INSIDE TO SUIT BOLT IN COVER SLAB
30 CM
32MM
37MM
33CM
7CM
MILD STEEL COVER SLAB LIFTING KEY
Page-34
5
D5
HORIZONTAL SECTIONAL VIEW OF RCC MAN HOLE
30CM
30CM
130CM
SUMP 30 X 30 CM
100CM
160CM
190CM
Page-35
6
D6
FRONT ELEVATION OF RCC-MH
190 CM
10 CM
10 CM
20 CM
197.5 CM
30 CM
Page-36
30CM
7
RCC MH CROSS SECTIONAL VIEW - 1
D7
160 CM
A
10 CM
5 CM
40cm Each
10 CM
5CM
20 CM
150 X 100 X 6 MM MS ANGLE
50 CM
Expander Bolt Assembly
Round Hooks For Holding OF Cable Coils
Refer Diag-8 for Details
Plastering
165 CM
50CM
100 CM
15 CM
17.5 CM
30 CM
A
7.5CM Concrete 1510
Grating Plate
30 CM
Water Sump 30 x 30 x 30 CM
10CM RCC 11.53 with 6mm rod 10 x 10 cm
grid
Page-37
8
D8
1.5 DIA MS ROD THREADED OUTSIDE
1.5 DIA MS PIPE THREADED INSIDE
20MM DIA GI PIPE AS CROSS PIECES
15CM
210CM
22 CM
15CM
50CM
40MM DIA GI PIPE FOR VERTICAL
20 CM
2.5 WIDTH 6MM MS FLAT
30CM
GI LADDER FOR USE IN RCC MH CHAMBER (One set of
duct keys with one ladder for every 5 Manholes
construction should be handed over to this
office for maintenance purpose. )
NOTE ONE HOLDER ASSEMBLY TO BE PROVIDED ON THE
OTHER TWO WALLS OF THE MH EACH ONE MT AWAY FROM
THE WALL DIAGONALLY OPP SIDE
Page-38
9
D9
RCC MH CABLE ENTRY
150 CM
100 CM
CABLE ENTRY
WITH 150MM GI PIPE
50MM GI-4NOS
130 CM
PLATFORM SIDE WALL
Page-39
160 CM
15 CM
15 CM
10
SECTION AA VIEW OF RCC MH
D10
COVER SLAB 15CM THICK
15CM
15CM
120 CM
15CM
25CM
10CM
10CM
100 CM
150 X 100 X 6 MM MS ANGLE
165 CM
RCC 1 2 4 1-cement 2-coarse sand 4- graded
stone Aggregate Of size 12.5mm WITH 10MM
ROD GRID 10 X 10 CM
RCC 1 1.5 3 10CM thickness
CC 1 5 10 7.5CM thickness
17.5 CM
Page-40
100 CM
15 CM
15 CM