DAILY PROGRESS REPORT- BBBRP 8-May-21

Rib Rib
Lattice Today's Progress For Progress up to Total
Tunnel False Main
Location Girders Progress Month of May Previous Month Progress as Balance Qty Tunnel Face Condition Remarks
Length Portal Tunnel
(Nos) (m) 2021 (April 2021) on date
(Nos) (Nos)
TUNNEL HEADING EXCAVATION
P1 333.0 20 227 246 1.6 10.4 221.2 231.6 101.4 Damp Excavation in progress
T1
P2 400.0 4 55 682 0.0 7.2 357.2 364.4 35.6 Damp Sealing layer shotcrete completed
P1 342.0 3 33 714 0.0 0.0 342.0 342.0 0.0 - Breakthrough achieved on 30.04.2021
T2
P2 375.0 6 55 744 0.0 0.0 375.0 375.0 0.0 - Breakthrough achieved on 30.04.2021
T3 P1/P2 132.0 5 196 - 0.0 0.0 132.0 132.0 0.0 - Breakthrough achieved on 25.03.2021
P1 390.0 4 33 350 1.25 5.00 224.5 229.50 160.5 Minor dripping from face Excavation in progress
T4
P2 355.7 4 33 437 1.0 4.0 291.4 295.4 60.3 Damp Excavation in progress
P1 369.0 4 33 465 0.0 8.0 295.1 303.1 65.9 Dry to Damp 1st layer shotcrete complete
T5
P2 325.0 3 38 292 0.0 0.0 203.0 203.0 122.0 Damp 2nd layer wiremesh complete
T6 P1/P2 200.0 - 66 240 0.0 0.0 200.0 200.0 0.0 - Breakthrough achieved on 23.02.2021
T7 P1 291.5 - 9 - 0.7 5.5 0.8 6.3 285.2 Dry Excavation in progress
Total 3513.24 53 778 4170 4.55 40.10 2642.20 2682.30 830.94
TUNNEL BENCHING EXCAVATION
P1 333.0 16 173 158 0.0 0.0 160.2 160.2 172.8
T1
P2 400.0 40 490 4.0 9.6 258.2 267.8 132.2
P1 342 20 569 0.0 18.8 261.2 280.0 62.0
T2
P2 375 6 50 470 3.0 17.4 272.2 289.6 85.4
T3 P1/P2 132 150 0 0.0 3.0 112.3 115.3 16.7
P1 390.0 38 128 2.5 4.9 79.0 83.9 306.1
T4
P2 355.7 20 226 0.0 0.0 141.4 141.4 214.3
P1 369 20 236 0.0 0.0 145.5 145.5 223.5
T5
P2 325 28 130 4.0 12.0 84.7 96.7 228.3
T6 P1/P2 200.0 66 240 0.0 0.0 200.0 200.0 0.0
Total 3513.24 22.00 605.00 2489.00 13.50 65.70 1714.70 1780.40 1732.8
TUNNEL INVERT EXCAVATION
P1 333.0 122 116 0.0 11.6 90.4 102.0 231.0
T1
P2 400.0 31 285 0.0 5.6 144.4 150.0 250.0
P1 330.0 19 455 0.0 13.6 208.0 221.6 108.4
T2
P2 387.0 6 50 470 0.0 24.0 253.2 277.2 109.8
T3 P1/P2 132.0 124 0 0.0 19.2 82.0 101.2 30.8
P1 390.0 32 85 0.0 11.6 62.3 73.9 316.1
T4
P2 355.7 22 182 0.0 0.0 125.5 125.5 230.2
P1 369.0 12 219 4.5 9.5 129.1 138.6 230.4
T5
P2 325.0 16 82 0.0 0.0 63.7 63.7 261.3
T6 P1/P2 200.0 66 240 0.0 0.0 200.0 200.0 0.0
Total 3513.24 6.00 494.00 2134.00 4.50 95.10 1358.60 1453.70 2059.5

DAILY PROGRESS REPORT TUNNEL HEADING EXCAVATION IN (M)

12.0 11.0 240.00

11.0
220.00

CUM. HEADING EXCAVATION IN M

10.0
HEADING EXCAVATION IN M

200.00
9.0
AVERAGE M 180.00
8.0 160.00
7.0 6.2 6.3 140.00
5.7
6.0 5.2 120.00
5.0 4.6
100.00
4.0 80.00
3.0 60.00
2.0 1.3 40.00
1.0 0.0 20.00
0.0 0.00
1-May-21
2-May-21
3-May-21
4-May-21
5-May-21
6-May-21
7-May-21
8-May-21
9-May-21
10-May-21
11-May-21
12-May-21
13-May-21
14-May-21
15-May-21
16-May-21
17-May-21
18-May-21
19-May-21
20-May-21
21-May-21
22-May-21
23-May-21
24-May-21
25-May-21
26-May-21
27-May-21
28-May-21
29-May-21
30-May-21
31-May-21
DATE
Daily Heading Excavation in m Average Tunnel Heading Progress for Mar 2021 Cumulative Heading Excavation Progress

Note -