Specifications - City of Montpelier, Vermont

Montpelier District HeatingCity of Montpelier, VTIssue Date:September 28, 2012Title:APPENDIX A – Welding and Testing RequirementsPage #:17 of 22welder, until five joints in succession are satisfactory; however, a minimum of 6'of weld length shall be tested.6.4 When all joints in the expanded inspection are satisfactory, the inspection shallrevert to 10 percent minimum random sampling.6.5 When defects are detected regularly, or when welding is carried out under poorconditions, the ENGINEER may expand radiographic control to 100 percent atthe CONTRACTOR’s expense, with notification in writing thereto.7.0 RECORDS AND SUBMITTALS7.1 Copies of the following documents shall be submitted to the ENGINEER forreview and release:7.1.1 Paragraph 1.3 Radiography procedure7.1.2 Personnel Certifications;7.1.3 Radiographic reader sheets, including film interpretation;7.1.4 Radiographic Shooting Sketch (RSS) (see attached sample form inAppendix B).7.2 One radiographic film of each radiographed location shall be submitted tothe ENGINEER for review and release.7.2.1 Included with the films shall be all radiographic films containingdiscontinuities requiring repair.7.2.2 All radiographic films, including tracer and repair films, taken on thepiping systems are the sole property of Owner.7.3 Each document and film shall contain, but not be limited to, the followingidentifying information:7.3.1 Client Name (Owner)7.3.2 Identification of the Piping System (Project Number)7.3.3 Date of Radiography7.3.4 Manufacturer's Name or Symbol7.3.5 Weld Identification Number7.3.6 Welder Identification7.3.7 Signature of Interpreter7.3.8 Examination Procedure Number7.4 The CONTRACTOR shall obtain verification from the OWENR’S Representativethat all radiography is completed in accordance with the specifications and isacceptable.IV.LIQUID PENETRATION EXAMINATION OF PIPING WELDSWhere required as part of the construction contract, the CONTRACTOR shall be responsible fornotification to the City of Montpelier Mechanical Inspection Department of all proposed liquidpenetration testing.The CONTRACTOR is responsible for all costs associated with liquid penetration testing. TheCONTRACTOR shall refer to Appendix A, Section II, Paragraph 18.1.3. for the use of liquidpenetration testing in lieu of hydrostatic testing.APPENDIX APage A17