Crest joints •Deteriorated •Cracking/Spalling alignment •Poor Downstream Face Deteriorated joints • Cracking/Spalling • Seepage • Abutments Vegetation/erosion • Sloughing/slides/cracks • Seepage/wetness • Toe Erosion/undermining Seepage/wetness • • • Foundation drains Gallery Deteriorated joints • Cracking/Spalling • Seepage • Inspection Procedures Getting the most out of an inspection requires some preparatory work: Figure 1 Successive passes The previous diary entries should be reviewed first to note any areas which will require special attention; and If the purpose of the inspection is to re-evaluate suspected defective conditions discovered during the last inspection, any available construction drawings should first be examined for a possible explanation of the situation ( but do not speculate, obtain professional advice if the is any doubt or ambiguity in the situation).
Crest •Deteriorated joints •Cracking/Spalling •Poor alignment Downstream Face • Deteriorated joints • Cracking/Spalling • Seepage Abutments • Vegetation/erosion • Sloughing/slides/cracks • Seepage/wetness Toe • Erosion/undermining • Seepage/wetness • Foundation drains Gallery • Deteriorated joints • Cracking/Spalling • Seepage Inspection Procedures Getting the most out of an inspection requires some preparatory work: Figure 1 Successive passes The previous diary entries should be reviewed first to note any areas which will require special attention; and If the purpose of the inspection is to re-evaluate suspected defective conditions discovered during the last inspection, any available construction drawings should first be examined for a possible explanation of the situation ( but do not speculate, obtain professional advice if the is any doubt or ambiguity in the situation).
E28960v30EA0P100Box370037B07125502.docx