P20 Crack (generally 4mm width) to northeast corner of south leg corbel of pier SP-2 (ref. SC3)

Transcription

1 Concrete loss to mouth of crack P20 Crack (generally 4mm width) to northeast corner of south leg corbel of pier SP-2 (ref. SC3) Page 24

2 P21 Spalling/section loss to South parapet plinth upstand beam over pier SP-2 and poor joint condition Page 25

3 4.2.2 East Arm Spiral BCI Span 1 (BCI Form 2) Cantilever soffit Deck box beam soffit P22 Spalling to east edge of spiral ramp soffit with exposed corroding reinforcement (ref. SC6) P23 Spalling with exposed corroding reinforcement to east edge of spiral ramp soffit above distorted North bearing to east leg of pier SP-4 (ref. SC7) Page 26

4 P24 Typical corroding tie-wire/formwork debris to deck box beam soffit Page 27

5 P25 Sleeping materials/signs of habitation observed to East abutment P26 Spalling and exposed corroding reinforcement to precast crib walling unit wing walls and substantial loss of fill material behind East abutment Page 28

6 P27 Substantial vegetation and ivy growth beginning to obscure crib walling wing walls/approach ramp P28 Spalling/section loss to West parapet plinth upstand at joint (ref. SC9) Page 29

7 P29 Cracking and loose concrete to parapet plinth upstand at joint (ref. SC10) General algae staining to parapet infill bars P30 Failed concrete repair to parapet plinth upstand at joint, with cracking and section loss (ref. SC11) Page 30

8 Corroding reinforcement bar P31 Section loss to parapet plinth upstand at joint and exposed corroding reinforcement bar (ref. SC12) P32 Cracking and loose concrete to parapet plinth upstand at joint (ref. SC13) Page 31

9 P33 Spalling with exposed corroding reinforcement to north face of pier SP-3 north leg corbel (ref. SC4) Page 32

10 P34 Substantial spalling exposing corroding reinforcement with delaminated concrete and cracking to southeast corner of pier SP-3 north leg (ref. SC5) Page 33

11 P35 Spalling exposing corroding reinforcement to north face of east leg corbel to pier SP-4 (ref. SC8) P36 Areas of spalling with exposed corroding reinforcement to north face of pier SP-4 east leg and corbel (ref. SC8) Page 34

12 P37 North bearing on pier SP-4 west leg displaced off mortar bed East Arm (BCI Form 1) East Arm Spiral (BCI Form 2) P38 Joint leakage at intersection of East Arm (BCI Form 2) / Spiral (BCI Form 3) Page 35

13 Asphalt fill blockage Silt build-up/ blockage P39 Drainage channel blocked with silt build-up and asphalt surfacing fill Page 36

14 P40 Impact damage to West parapet top rail and vertical infill P41 Spiral ramp Northwest parapet post loose due to failed weld at base Page 37

15 P42 Graffiti to west edge of spiral ramp and west face of pier SP-5 Page 38

16 4.2.3 West Arm BCI Span 2 (BCI Form 3) P43 Spalling to soffit of deck infill section with cracking, leaching and stalactites (ref. SC16) P44 Spalling to soffit of deck infill section near pier SP-8 (ref. SC16) Page 39

17 P45 Cracking to soffit of deck infill section at joint with stairs with leakage, leaching and stalactites evident (ref. SC17) P46 Spalling with exposed corroding debris to inside face of north beam located to NW of pier SP-10 (ref. SC24) Page 40

18 P47 Spalling with exposed corroding reinforcement to soffit to NW of pier SP-10 (ref. SC25) P48 Spalling with exposed corroding reinforcement to outside face of beam (ref. SC26) Page 41

19 P49 Spalling with exposed corroding reinforcement to deck soffit (ref. SC27) P50 Spalling to deck soffit (ref. SC28) Page 42

20 P51 Crack to North parapet plinth upstand (ref. SC29), which is typical throughout the structure Stairs P52 Wet staining to deck joints at deck segment interfacing with stairs Page 43

21 P53 Sleeping materials observed to south side of west end of approach ramp P54 Corrosion staining to West abutment ballast wall and evidence of clothing materials storage Page 44

22 P55 Cracking to inside face of west corbel of pier SP-9 (ref. SC20) P56 Spalling to inside face of northeast corbel of pier SP-10 (ref. SC21) Page 45

23 P57 Spalling, cracking and rust staining to inside face of southwest corbel of pier SP-10 (ref. SC22) P58 Cracking and rust staining to north corner of northeast corbel of pier SP-10 (ref. SC23) Page 46