601.3(n) 601.3(n) 601 - 13 Initial Edition joint gap allowance according to Tables A or B and soil tight, then the pipe joint will be accepted with reduced payment. Note all joint gaps that are greater than the installation allowance in the inspection report. • If joint separation is greater than the maximum joint gap allowance according to Tables A or B and soil tight, then submit a remediation plan for repair or replacement as specified in Section 601.3(p). Note all joint gaps that are greater than the installation allowance in the inspection report. • If any soil infiltration is identified at the pipe joint during inspection a pipe analysis and a remediation plan for repair or replacement as specified in Section 601.3(p) is required. Note all joints with soil infiltration in the inspection report. TABLE A ROUND PIPE** Diameter (inches) Joint Gap Installation Allowance (inches) Maximum Joint Gap Allowance (inches)
12-36 0.700 1.000
42-54 0.800 1.200
60-72 0.850 1.275
78-90 0.900 1.350
96 1.000 1.500 TABLE B ELLIPTICAL PIPE** Equivalent Diameter (inches) Joint Gap Installation Allowance (inches) Maximum Joint Gap Allowance (inches)
18-36 0.750 1.125
42-48 0.850 1.275
54-60 0.900 1.350
66-72 1.200 1.500
**Special design joints will be subject to manufacturer submittal and individual review and approval. If the bell depth is greater than the tongue depth, include the difference between these depths to the joint gap table allowances. 1.b Cracks. Cracks with a width less than or equal to 0.007 inches are considered hairline and minor. Note these cracks in the inspection report; however, no remedial action is necessary. Cracks identified during inspection having a width greater than 0.007 inches and a length greater than 12 inches require a pipe analysis and a remediation plan for repair or replacement as specified in Section 601.3(p). Note these cracks in the inspection report. 1 .c Spalls/Chips. Check spalling area for exposed reinforcement. • If spalling area has no exposed reinforcement, then repair according to Publication 145, Non- Structural Repair Section. Note these spalls in the inspection report. • If spalling area has exposed reinforcement with a single spall area less than or equal to 150 square inches, then repair according to Pub lication 145, Structural Repair Section. Note these spalls in the inspection report. • If spalling area has exposed reinforcement with a single spall area greater than 150 square inch, prepare and submit a pipe analysis and a remediation plan for repair or replacement as specified in Section 601.3(p). Note these spalls in the inspection report. 601.3(n) 601.3(n) 601 - 14 Initial Edition 2. Metal Pipes. Inspect metal pipes for damage. Perform deflection testing using either electronic deflectometers, calibrated television or