MISENER DAM. Site Number LYNN STREET, PORT DOVER km N of Highway 6

Transcription

1 NORFOLK COUNTY MISENER DAM Site Number LYNN STREET, PORT DOVER 0.65 km N of Highway 6

2 Ontario Structure Inspection Manual - Inspection Form Site Number: Inventory Structure Name Misener Dam On Crossing Rail Road Navig. Water Main Hwy/Road # LYNN ST Type: Ped. Other Non-Navig. Water Under Hwy/Road Name LYNN STREET, PORT DOVER Structure Location 0.65 km N of Highway 6 Latitude 42d 47' 26" Longitude 80d 12' 01" Heritage Not Cons. List/not Design. Owner(s) Norfolk County Designation: Cons./not App. Desig./not List Desig. & List MTO Region 30 Southwestern Road Class: Freeway Arterial Collector Local MTO District 31 London / Stratford Posted Speed 50 No. of Lanes 2 Old County 20 Norfolk AADT 3253 % Trucks Geographic Twp. 215 Woodhouse Inspection Route Sequence Structure Type 6 I-Beam or Girders Interchange Number Total Deck Length 32.3 (m) Interchange Overall Str. Width 11.3 (m) Min. Vertical Clearance (m) Total Deck Area 365 (m 2 ) Special Route Truck Emergency School Bicycle Roadway Width 8.5 (m) Detour Length Around Bridge 3.2 (km) Skew Angle (Degrees) Direction of Structure North / South No. of Spans 2 Fill on Structure 0 (m) Span Length 15.2 (m) Historical Year Built Last OSIM Inspection Year of Last Major Rehab. Last Evaluation Last Enhanced OSIM Inspection Current Load Limit / / (tonnes) Enhanced Access Equipment (ladder, boat, lift, etc.) Last Underwater Inspection Last Condition Survey Rehab History: 1970 (Date/description) May 27, 2014 Load Limit By-Law # By-Law Expiry Date Completed deck rehab with drains and waterproofing - railing and sidewalk - deck is exposed (special type of cement used) Page 1

3 Ontario Structure Inspection Manual - Inspection Form Site Number: Field Inspection Information: Date of Inspection: July 20, 2016 Type of Inspection: OSIM Enhanced OSIM Inspector: Others in Party: Access Equipment Used: Weather: Ben Buchwald M.Eng., EIT, G. Douglas Vallee Ltd. N/A Hammer, Binoculars, Measuring Tape, Camera, etc. Sunny Temperature: 24 o C Additional Investigation Required: Material Condition Survey Detailed Deck Condition Survey: Non-destructive Delamination Survey of Asphalt-Covered Deck: Concrete Substructure Condition Survey: Detailed Coating Condition Survey: Detailed Timber Investigation Post-Tensioned Strand Investigation Underwater Investigation: Fatigue Investigation: Seismic Investigation: Structure Evaluation: Monitoring Monitoring of Deformations, Settlements and Movements: Monitoring Crack Widths: Investigation Notes: Adjacent old structure in very poor condition. None Priority Normal Urgent Overall Structure Notes: Recommended Work on Structure: None Minor Rehab. Replace Maintenance Major Rehab. Timing of Recommended Work: 1 to 5 years 6 to 10 years Overall Date of next Inspection: July 20, 2018 Suspected Performance Deficiencies 01 Load carrying capacity 07 Bearing not uniformly loaded/unstable 12 Slippery surfaces 02 Excessive deformations (deflections & rotations) 08 Jammed expansion joint 13 Flooding/channel blockage 03 Continuing settlement 09 Pedestrian/vehicular hazard 14 Undermining of foundation 04 Continuing movements 10 Rough riding surface 15 Unstable embankments 05 Seized bearings 11 Deck drainage 16 Other Maintenance Needs 01 Lift and swing bridge maintenance 07 Repair to structural steel 13 Erosion control at bridges 02 Bridge cleaning 08 Repair of bridge concrete 14 Concrete sealing 03 Bridge handrail maintenance 09 Repair of bridge timber 15 Rout and seal 04 Painting steel bridge structures 10 Bailey bridges - maintenance 16 Bridge deck drainage 05 Bridge deck joint repair 11 Animal/pest control 17 Scaling (Loose concrete or ACR steel) 06 Bridge bearing maintenance 12 Bridge surface repair 18 Other Page 2

4 Ontario Structure Inspection Manual - Inspection Form Site Number: Rehabilitation Required: Rehab Replace Element Priority Urgent Within 1 yr 1-5 yrs 6-10 yrs Bearings Abutment Walls Wingwalls Approach Slabs (Approaches) Railing System Diaphragms Girders Drainage Soffit Thin Slab Foundation (below ground level) Seals/Sealants Shafts/Columns/Pile Bents Sign Curbs Estimated Construction Cost Total Cost $0 Associated Work: Additional Investigations Traffic Management Utilities Road Allowance Environmental Assessment Engineering Other Contingencies Comments Estimated Construction Cost Total Cost $0 Justification: Notes: Construction Cost: Associated Work Cost: TOTAL Estimated Cost: $0 $0 $0 Page 3

5 Ontario Structure Inspection Manual - Inspection Form Site Number: Element Data Element Group: 900 Abutments Length: Element Name: 904 Bearings Width: Location: Under Beams Height: Material: Count: 20 Element Type: Total Quantity: 20 Each Environment: Benign Limited Inspection: None Condition Units Exc. Good Fair Poor Each Deterioration & delamination at northwest & southwest abutment wall/wingwall below beam seat. Recommended Work: Rehab Replace Maintenance Needs: Timing: Urgent < 1yr 1-5 yr 6-10 yr Urgent 1 year 2 year Element Group: 900 Abutments Length: Element Name: 901 Abutment Walls Width: 11.3 Location: North and South End Height: 5 Material: 4 Cast-in-place Concrete Count: 2 Element Type: Retained Soil Systems Total Quantity: 113 sq.m Environment: Moderate Limited Inspection: None Condition Units Exc. Good Fair Poor sq.m East walls are connected to dam walls. Southeast wall deteriorating at original wingwall. Dam wingwalls are deteriorating. Recommended Work: Rehab Replace Maintenance Needs: Timing: Urgent < 1yr 1-5 yr 6-10 yr Urgent 1 year 2 year Element Group: 900 Abutments Length: Element Name: 903 Wingwalls Width: Location: Quadrants Height: Material: 4 Cast-in-place Concrete Count: 4 Element Type: Total Quantity: 4 Each Environment: Benign Limited Inspection: None Condition Units Exc. Good Fair Poor Each Wingwalls have localized areas of delamination and spalling, northeast wingwall has a large deteriorated area. Recommended Work: Rehab Replace Maintenance Needs: Timing: Urgent < 1yr 1-5 yr 6-10 yr Urgent 1 year 2 year Page 4

6 Ontario Structure Inspection Manual - Inspection Form Site Number: Element Data Element Group: 1600 Approaches Length: Element Name: 1602 Approach Slabs (Approaches) Width: Location: North and South Ends Height: Material: 2 Asphalt Count: 2 Element Type: Total Quantity: 2 Each Environment: Severe Limited Inspection: None Condition Units Exc. Good Fair Poor Each Includes wearing surface, sidewalk and curb and gutter. Small pothole forming in deck. Recommended Work: Rehab Replace Maintenance Needs: Repair of Bridge Concrete Timing: Urgent < 1yr 1-5 yr 6-10 yr Urgent 1 year 2 year Element Group: 400 Barriers Length: 32.3 Element Name: 402 Railing System Width: Location: On Curb and Sidewalk Height: Material: 14 Steel Count: 2 Element Type: Steel Railing on Truss Total Quantity: 64.6 m Environment: Severe Limited Inspection: Hot dip galvanized Condition Units Exc. Good Fair Poor m Includes beam and steel post guide rail system approaches. Light corrosion on barrier railing. Recommended Work: Rehab Replace Timing: Urgent < 1yr 1-5 yr 6-10 yr Urgent 1 year 2 year Element Group: 500 Beam / MLE Length: Element Name: 505 Diaphragms Width: Location: On Abutment and Pier Height: Material: 4 Cast-in-place Concrete Count: 1 Element Type: Total Quantity: 1 Each Environment: Benign Limited Inspection: Condition Units None Exc. Good Fair Poor Each Honeycombing on diaphragms from poor concrete placement. Maintenance Needs: Recommended Work: Rehab Replace Maintenance Needs: Timing: Urgent < 1yr 1-5 yr 6-10 yr Urgent 1 year 2 year Page 5

7 Ontario Structure Inspection Manual - Inspection Form Site Number: Element Data Element Group: 500 Beam / MLE Length: 11.3 Element Name: 501 Girders Width: 0.55 Location: Under Deck Height: 1.15 Material: 12 Precast Concrete Count: 6 Element Type: I-type Total Quantity: 42.9 sq.m Environment: Benign Limited Inspection: None Condition Units Exc. Good Fair Poor sq.m Can only see outside girder - Limited Visibility. Some efflorescence on west beam soffit. Recommended Work: Rehab Replace Maintenance Needs: Timing: Urgent < 1yr 1-5 yr 6-10 yr Urgent 1 year 2 year Element Group: 100 Decks Length: Element Name: 106 Drainage Width: Location: At Curb Line Height: Material: 14 Steel Count: 8 Element Type: 4 Metal Drain Pipes Total Quantity: 8 Each Environment: Severe Limited Inspection: Hot dip galvanized Condition Units Exc. Good Fair Poor Each Drain ends are corroded, some drains blocked with debris. Recommended Work: Rehab Replace Maintenance Needs: Bridge Cleaning Timing: Urgent < 1yr 1-5 yr 6-10 yr Urgent 1 year 2 year Element Group: 100 Decks Length: 32.3 Element Name: 103 Soffit Thin Slab Width: 11.3 Location: Top of girders Height: Material: 4 Cast-in-place Concrete Count: 1 Element Type: Total Quantity: 365 sq.m Environment: Severe Limited Inspection: None Condition Units Exc. Good Fair Poor sq.m Previously repaired. Areas of the deck soffit formed with wood (remaining) are spalling. Patch. Limited inspection. Recommended Work: Rehab Replace Maintenance Needs: Timing: Urgent < 1yr 1-5 yr 6-10 yr Urgent 1 year 2 year Page 6

8 Ontario Structure Inspection Manual - Inspection Form Site Number: Element Data Element Group: 1300 Foundations Length: 11.3 Element Name: 1301 Foundation (below ground level) Width: Location: Below water Level Height: Material: Count: 3 Element Type: Total Quantity: 33.9 Each Environment: Benign Limited Inspection: Condition Units None Exc. Good Fair Each Foundation not visible - spread footings anchored to rock. Poor Recommended Work: Rehab Replace Timing: Urgent < 1yr 1-5 yr 6-10 yr Urgent 1 year 2 year Element Group: 200 Joints Length: 11.3 Element Name: 201 Seals/Sealants Width: Location: North and South End of Deck Height: Material: Count: 2 Element Type: Joint Embedded in Elastomeric Concrete Total Quantity: 22.6 m Environment: Severe Limited Inspection: Condition Units None Exc. Good Fair Poor m Both joints packed with debris. Maintenance Needs: Recommended Work: Rehab Replace Maintenance Needs: Bridge Cleaning Timing: Urgent < 1yr 1-5 yr 6-10 yr Urgent 1 year 2 year Element Group: 1000 Piers Length: 11.3 Element Name: 1001 Shafts/Columns/Pile Bents Width: Location: Centre Height: 5 Material: 4 Cast-in-place Concrete Count: 2 Element Type: Concrete Rectangular Columns with Cap Total Quantity: 113 sq.m Environment: Severe Limited Inspection: Condition Units None Exc. Good Fair Poor sq.m Recommended Work: Rehab Replace Maintenance Needs: Timing: Urgent < 1yr 1-5 yr 6-10 yr Urgent 1 year 2 year Page 7

9 Ontario Structure Inspection Manual - Inspection Form Site Number: Element Data Element Group: 1500 Signs Length: Element Name: 1501 Sign Width: Location: Both Ends of Bridge Height: Material: 14 Steel Count: 1 Element Type: Total Quantity: 1 Each Environment: Limited Inspection: Condition Units Exc. Good Fair Poor Each Three (3) "No Parking" signs, one (1) hazard at northwest. Recommended Work: Rehab Replace Maintenance Needs: Timing: Urgent < 1yr 1-5 yr 6-10 yr Urgent 1 year 2 year Element Group: 300 Sidewalks/curbs Length: 32.3 Element Name: 302 Curbs Width: 0.5 Location: East and West Side of Deck Height: 0.15 Material: 4 Cast-in-place Concrete Count: 2 Element Type: Total Quantity: 32.3 sq.m Environment: Severe Limited Inspection: None Condition Units Exc. Good Fair Poor sq.m Includes inside and out face of sidewalks and curb. West curb on bridge shows hairline cracks. Light scaling on outside curb at northeast quadrant. Recommended Work: Rehab Replace Maintenance Needs: Timing: Urgent < 1yr 1-5 yr 6-10 yr Urgent 1 year 2 year Page 8

10 Figure 1 North Approach Figure 2 South Approach

11 Figure 3 East Profile Figure 4 West Profile

12 Figure 5 Upstream Figure 6 Downstream

13 Figure 7 North Abutment Figure 8 South Abutment

14 Figure 9 North Face of Pier Figure 10 South Face of Pier

15 Figure 11 Centre Pier at Bearing Figure 12 South Soffit

16 Figure 13 Northwest Wingwall Figure 14 Southwest Wingwall

17 Figure 15 East Profile of Dam Figure 16 Cracking and Delamination on South Abutment

18 Figure 17 Delamination on Northwest Wingwall Figure 18 Deterioration at Dam Bearing

19 Figure 19 Deterioration at Dam Spillway Figure 20 Deterioration of Existing Dam Abutment

20 Figure 21 Discharge at Dam Figure 22 Downstream Dam

21 Figure 23 Scaling on East Fascia Figure 24 Severe Deterioration of Dam Piers

22 Figure 25 Severe Deterioration of Dam Wingwalls Figure 26 Typical Corrosion at Barrier Railing Posts

23 Figure 27 Typical Deck Drain

24 Figure 28 Small Pothole in Deck Figure 29 Transverse and Longitudinal Cracks in South Approach Wearing Surface

25 Figure 30 North Joint

26 Figure 31 South Joint

27 Figure 32 Deck Drains Blocked with Debris Figure 33 Benchmark