Tower Inspection and Test Plan

This is content provides you with a example Tower Inspection and Test Plan. You may modify this Column ITP to meet your purchase order specifications. You may also review the Pressure vessel ITP article and download the related ITP and use with this draft ITP to generate your required tower ITP.

Tower Inspection and Test Plan TaskVendorTPI InspectionClient
Tower Pre-inspection meeting, when specified by Purchaser/OwnerHHH
Tower Mill test reports including impact test and non-destructive test, when specifiedHW/RR
Tower Material identification and markingsHWR
Tower WPS/PQR, Welders qualifications (records or welder's list)(Note: If welder's ability is judged as doubtful, a new qualification(WQT) test will be required)HRR
Tower Weld preparation and fit-up, back chip inspectionHSR
Tower Execution of major repairs, when issued NCHHR
Tower Visual and dimensional inspection prior to heat treatment, when applicableHSR
Tower Heat treatment record review, when applicableHRR
Tower Alloy verification, when specifiedHWR
Tower Ferrite check for weld, when specifiedHWR
Tower Non-destructive testing (RT, UT, MT, PT when applicable)HSR
Tower Review of radiographs, when applicableHRR
Tower Refractory anchor and lining inspection, when specifiedHSR
Tower Production weld test, when requireHWR
Tower Hardness measurements in final condition, when specifiedHS/RR
Tower Visual and dimensional inspection during fabricationHSR
Tower Reinforcing pad air-soap testHW/RR
Tower Leak test for sleeve type nozzle, when applicableHWR
Tower Hydrostatic testHHR
Tower Installation of internals, when applicableHWR
Tower Other Job Requirement Inspection Record (when specified)HWR
Tower Surface preparation prior to painting, coating, liningHWR
Tower Complete draining and nitrogen filling or desiccant or volatile corrosion inhibitor treatment checkHWR
Tower Final visual inspection (including Painting (color & thickness), coating, preservation, lining, picking, nameplate, tagging, marking, and Aux items like spare parts, bolts, etc.)HHR
Tower Documentation review prior to release at local shop(Final activity of Technical Inspection)HHR
Pre-shipment InspectionHHR

H: Hold Point implies that relevant production activities shall not proceed until the continuation of work is permitted by Purchaser. (Notification req'd)

W: Witness point implies that Purchaser intends to witness the designated inspection feature. If Purchaser decides not to witness the relevant feature, production can proceed without permission of Purchaser. (Notification req'd)

S: Witness, but spot check basis. Initial operation will be witness point and subsequent operation will be witnessed at discretion of Purchaser considering the results of previous inspection. (Random Inspection : Notification not req'd)

R: Review inspection & test records (Notification not req'd)

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