Typical Cycle Time
Typical Segments - 25 x 32.5 x 7.4
Task
Dimensions
Preparatory Works
12.5 * 32.5
12.0
24 NA
Base Slab
12.5 m long & 2 m thk
12.0
24
Kickers
12.5*0.3
4.0
Wall - 12 pours
(6 X 12.5)
6.0
24
Slab
(32.5 x 12.5 x 1.7)
24.0
24
Preparatory Works
12.5 * 32.5
Activities
Days / Pour
Total Duration
Days
Compaction 2 layers
Test
Blinding
Curing
HDPE
Test
Geotextile & Protection
screed
Curing
Total
1.0
1.0
1.0
3.0
3.0
1.0
1.0
1.0
12.0
Rebar
Shuttering
External Kicker
Pour
Total
6.0
2.0
1.0
1.0
10.0
Base Slab
Internal Kickers
Shutters
Pouring
1.0
1.0
Curing & Treatment to
joint & WPF
Total
1.0
3.0
Bar Fixing / Scaffolding
Shuttering
WPF
WPF & Pouring
Deshuttering
Total
1.0
1.0
1.0 3 pours / week
1.0
2.0
6.0
Wall - 12.5 X 4.8 X 1.3 or 0.7
Slab - 12.5 X 32.5 X 1.7
2 Sets of shutter with one gang of Manpower
Scaffolding / Shuttering
2.0
Rebar
7.0
Side Shutters
2.0
Pouring
1.0
Deshutter
12.0
Total
24.0
Total pours for 7
segments
14.0
Total Days
336.0
For 2 sets
168.0
Months
Pour / Fortnight with 2 Shutters
6.5
Nos of Shutter Sets
Tunnel Structure - Typical Segments
Tasks
Activities
Unit
Total Qty
Productivity / day
shutter
m2
180
making
Total MH
Duration
Carpenter
4 Mh/Sqm
720
6 days
13 11 hr / day
fixing
Total MH
Duration
Carpenter
labour
4 Mh/Sqm
720
6 days
13 11 hr / day
10
165
days
Typical Segments - 25 x 32.5 x 7.4
Base Slab ( 12.5+32.5)2
steel
SF
Duration
SF
C.H
concrete
m3
Mason
Labour
C.H
Preparatory Works
12.5 * 32.5
Formation
40 MH / T
6600 Hrs
10 days
60
4
815
14
24
4
406 Sqm
Labour
Mason
Labour
8 1 MH / Sqm
Mason
C.H
Carpenter
labour
SF
C.H
4
4
5
1
Blinding
WPF / Geotextile
Screed
Kickers / Inserts / Upstands
Wall 12.5x4.8x1.3 / 0.7 - 6 Nos
Scaffolding /
shutter
Steel
For one wall
m2
T
772
65
Scaffolder
4 2 days
SF
6 for 8 days
Shuttering
Carpenter
WPF
Labour
10 3 days
pour
mason
Labour
For 6 walls
3 Pours / week
SF
C.H
Carpenter
C.H
2
2
36 1T/Gang/Day
4 fixers in a gang
4
40
4
Available on both works
Tasks
Activities
Unit
Mason
Labour
C.H
Total Qty
Productivity / day
days
10
10
2
steel
concrete
T
m3
65
324
shutter
steel
concrete
m2
T
m3
235
150
753
slab (32.5x12.5x1.7) + side shutter
Scaffolding / Formwork
Shutter
Days
Hrs/Day
MH/Sqm
Total Hrs
Hrs/Day
Carpenter
Scoffolder
Steel
Fixing Duration
235
7
11
4
940
134
8 Use them for Scoffolding also
8
150 T
9 Days
T/Day
17
Productivity
40 MH/T
667
S.F
C.H
61
56
5
Mason
Labour
C.H
14
24
4
Tunnel Structure - Shaft
Tasks
Activities
Unit
Total Qty
Productivity / day
shutter
m2
223
making
Total MH
Duration
Carpenter
4 Mh/Sqm
892
7 days
12 11 hr / day
fixing
Total MH
Duration
Carpenter
labour
4 Mh/Sqm
892
7 days
12 11 hr / day
10
264
days
Base Slab -16.98+38.85
steel
40 MH / T
10552 Hrs
14 days
69
7
SF
Duration
SF
C.H
concrete
m3
1319
Mason
Labour
C.H
Preparatory Works
14
24
4
16.98*38.85
Formation
660 Sqm
Labour
Mason
Labour
8 1 MH / Sqm
Mason
C.H
Carpenter
labour
SF
C.H
4
4
5
1
Blinding
WPF / Geotextile
Screed
Kickers / Inserts / Upstands
Wall 12.5x4.8x1.3 / 0.7 - 6 Nos
steel
concrete
For one wall
T
m3
400
1998
Days
Shuttering
Rebar
Casting
Deshutteing
Climbing System
Total
Total Pours
Duration for the wal
Buy 4 Shutters
1
1
1
2
1
6
33
198
50
Idle period for TC Installation
Total Period
56
Avg Tonne / Day /Pour
12
SF
C.H
Carpenter
C.H
48 1T/Gang/Day
4 fixers in a gang
4
40
4
Available on both works
Tasks
slab
Activities
Unit
Mason
Labour
C.H
Total Qty
Productivity / day
days
10
10
2
38.85*16.4*.3
shutter
steel
concrete
m2
T
m3
Scaffolding / Formwork
Shutter
Days
Hrs/Day
MH/Sqm
Total Hrs
MDAYS
Carpenter
Scoffolder
Steel
Fixing Duration
T/Day
Productivity
637
38
191
637
9
11
4
2548
222
25 Use them for Scoffolding also
8
38 T
12 Days
3
40 MH/T
127
S.F
C.H
12
11
1
Mason
Labour
C.H
10
10
4
Shaft Room
shutter
steel
concrete
m2
T
m3
Scaffolding / Formwork
Shutter
Days
Hrs/Day
MH/Sqm
Total Hrs
MDAYS
Carpenter
Scoffolder
Steel
Fixing Duration
T/Day
Productivity
1062
57
287
1062
10
11
4
4246
369
37 Use them for Scoffolding also
8
57 T
12 Days
5
40 MH/T
191
S.F
C.H
17
16
1
Mason
Labour
C.H
10
10
4
Earthworks & Rock Protection
Activities
Unit
Total Qty
Productivity / day
days
Reqd Plant
Open Cut Excavation
Stage 1
Above WTL
34000
3000
11 2 Exc
Upto segment 2
0.00 TO -3.00
10833
3000
4 2 Exc
FROM -3.00 TO -15.00
45090
1800
25 3 Exc
Complete Excavation upto Segment 2
Complete Excavation
29
0.00 TO -3.00
FROM -3.00 TO -15.00
26167
3000
9 2 Exc
108910
2400
45 4 exc
Complete Balance Excavation
54 programme ok
Overall Bulk Excavation Duration
83
Total Working Days for Dewatering
89
Required Dewatering only for Excavation
3.4 Months
Excavation
Plant
Nos
Days
Avg Output
PC 400
PC 400
PC 400
2
3
4
14.94
30.81
45.38
D-8
76.19
Shovel
Tippers
Loading
Inside the tunnel
Outside the tunnel
Unload
Return Outside
Inside the tunnel
4
5
3
2
3
3
20 Mins / Trip
Nos of Trips / day / Tipper
33
429 13 Cum / Trip
Tipper
No
Day
Tipper
Tipper
Tipper
7
6
6
15
31
45
Backfilling With Compaction
with grader
Area
15*226
Depth
at 300 mm layer
Total Layers
mins
mins
mins
mins
mins
mins
Total
Compacted Fill / Day /
Tippeer
Output / Day
3000 Cum / Day
2400 Cum / Day
2400 Cum / Day
3390 Sqm
1800 Sqm
10 m
0
33 Nos
Activities
Unit
Total Area
Total Qty
Productivity / day
113000 Sqm
Nos of Days available
90
Required output / day
Days for 1800 sqm
1256
63
days
Roller 10T
Water bowser
Grader
tipper
shovel
D-6
1
1
1
4
2 1 for stockpiling double handling
1
labr
gradecheckr
5
1
Backfilling With Compaction
with JCB
Qty
Ht
Nos of Layers
Total Area
Available days
Output / Day
JCB
Plate Compactor
226 * 3
678 Sqm
10 m
33
22374 Sqm
60
373 Sqm
1
1
No Additional Plant
Labour
Grade Checker
4
1
Spread and Fill
Total Fill
200000
Spread in
Output / Day
D-6
30 days
6667
1 No
Rock Protection
10-50MM
50-150
Req Output
550
1685
2235
56
10-60 kg
2885 Cum
Total
5120
Req Production
Use Shovel
Cum
Cum
Cum
Cum
128 Cum
1 No
11 Hr
Reqd Plant
