RIX Industries Flow Downs

5/13/1999

Description:

SHOCK TESTING FOR INTERNAL HI LW, MW, AND HW ITEMS

Clause:

HIGH IMPACT (HI) SHOCK QUALIFICATION IN ACCORDANCE WITH (IAW) MIL-S-901D (INCLUDING INTERIM CHANGE 1 (IC1) IS REQUIRED FOR THIS ITEM, UNLESS THE ITEM HAS ALREADY BEEN QUALIFIED FOR NSSN CLASS SUBMARINES VIA STANDARD CLAUSE 10-87N WITHIN THE PART DESCRIPTION FOR THIS ITEM. IF SHOCK QUALIFICATION BY TEST HAS BEEN ANTICIPATED BY THE DESIGN YARDORDERING DATA FOR SHOCK TESTING IAW PARAGRAPH 6.2 OF MIL-S-901D (WITH IC1) HAS BEEN PROVIDED IN THE PART TEXT/DESCRIPTION OR APPLICABLE PROCUREMENT SPECIFICATION. IF SHOCK QUALIFICATION VIA EXTENSION HAS BEEN ANTICIPATED BY THE DESIGN YARD, ORDERING DATA FOR SHOCK TESTING IAW PARAGRAPH 6.2 OF MIL-S-901D (WITH IC1) HAS NOT BEEN PROVIDED IN THE PART TEST/ DESCRIPTION. IF SHOCK QUALIFICATION VIA EXTENSION IS NOT POSSIBLE, SHOCK TESTING IAW MIL-S-901D (WITH IC1) IS REQUIRED. IF ORDERING DATAIS REQUIRED AND HAS NOT BEEN PROVIDED, THE SUPPLIER IS TO SUBMIT A VIR(EB FORM 84-01-2205) OR EQUIVALENT IE: NNS FORM 3409, TO REQUEST AN ORDERING DATA SUPPLEMENT TO THE PURCHASE ORDER. IF SHOCK QUALIFICATION BY ANALYSIS HAS BEEN AUTHORIZED (PRIMARILY FOR SHOCK GRADE B ITEMS), THE ANALYSIS SHALL BE APPROVED BY THE DESIGNATEDAUTHORITY. SHOCK EXTENSIONS: ITEMS IDENTICAL OR SIMILAR TO ITEMS WHICH HAVE BEEN PREVIOUSLY SHOCK TESTED IAW THE ABOVE REQUIREMENTS, OR IAW THE REQUIREMENTS OF PPD 802-6335704, MIL-S-901C, OR MIL-S-901D (W/O IC1) MAY BE ACCEPTED WITHOUT FURTHER SHOCK TESTING. ALL POTENTIAL SHOCK EXTENSION OPTIONS SHOULD BE THOROUGHLY INVESTIGATED PRIOR TO DETERMINING THAT SHOCK TESTING IS REQUIRED. FOR SUCH ITEMS, DETAILED PROOF OF PREVIOUS SHOCK TESTING, INCLUDING A SHOCK TEST REPORT AND NAVY APPROVAL DOCUMENTATION, SHALL BE SUBMITTED TO THE BUYER WITHIN 30 DAYS OF RECEIPT OF THIS ORDER FOR EVALUATION FOR SHOCK TEST EXTENSION APPLICABILITY. ALL EXTENSION REQUESTS (FOR IDENTICAL OR SIMILAR ITEMS) SHALL BE PRE- PARED IAW DATA ITEM DESCRIPTION DI-ENVR-80706 OF MIL-S-901D (WITH IC1) AND MUST BE REVIEWED BY THE DESIGN YARD TO DETERMINE IF THE ORIGINALLY TESTED ITEM, MOUNTING CONFIGURATION, ORIENTATION, FUNCTIONAL REQUIREMENTS, ETC., ARE ACCEPTABLE AS A BASIS FOR EXTENSION PRIOR TO OBTAINING SHOCK QUALIFICATION APPROVAL FORM THEAPPROPRIATE APPROVAL AUTHORITY. SHOCK TESTING: LW,MW, AND HW ITEMS REQUIRING SHOCK TESTING WILL BE TESTED AND/OR COORDINATED BY ELECTRIC BOAT CORPORATION, UNLESS OTHERWISE DIRECTED BY THE BUYER. IN THE EVENT THAT THE BUYER IS RESPONSIBLE FOR SHOCK TESTING AN ITEM, SELLER INVOLVEMENT SHALL TYPICALLY BE LIMITED TO SHIPPING, POST-TEST INSPECTION AND FUNCTIONAL TESTING, AS APPLICABLE. SHOCK TEST, POST-SHOCK TEST INSPECTION, AND FUNCTIONAL TEST PROCEDURESSHALL BE PREPARED IAW THE APPLICABLE ORDERING DATA, AND DATA ITEM DESCRIPTION DI-ENVR-80709 OF MIL-S-901D (WITH IC1). THESE PROCEDURES, INCLUDING A COPY OF THE SELLER'S ASSEMBLY DRAWING (IF NOT PREVIOUSLY SUBMITTED FOR THIS CONTRACT), A DETAILED SCHEMATIC OF THE TEST SETUP FOR LW AND MW ITEMS AND A SHOCK TEST FIXTURE DRAWINGFOR HW ITEMS (INCLUDING SIZES, DIMENSIONS, MATERIALS, DUMMY WEIGHTS,MEANS OF ATTACHMENT, ETC., AS APPLICABLE FOR LW, MW, AND HW ITEMS) ANDSAMPLES OF SHOCK TEST DATA SHEETS, AS APPLICABLE, SHALL BE SUBMITTED TO THE BUYER FOR APPROVAL AT LEAST TWO MONTHS PRIOR TO THE SCHEDULED TEST FOR LW/MW ITEMS AND AT LEAST SIX MONTHS PRIOR TO THE SCHEDULED TEST DATE FOR HW ITEMS. SHOCK TESTING SHALL BE PERFORMED AT APPROVED SHOCK TEST FACILITIES PERNAVSEAINST 9491.1B. GOVERNMENT WITNESSING AND REPORT CERITIFICATION RQUIREMENTS ARE AS SPECIFIED IN MIL-S-901D (WITH IC1). IN THE EVENT THAT THE SELLER IS DIRECTED TO COORDINATE AND/OR PERFORM SHOCK TESTING, THE FOLLOWING ADDITIONAL INFORMATION IS PROVIDED: STANDARD LW AND MW SHOCK TEST MOUNTING FIXTURES IAW MIL-S-901D (WITH IC1) SHALL BE USED UNLESS OTHERWISE AUTHORIZED IN WRITING BY THE BUYER. NON-STANDARD MOUNTING FIXTURES REQUIRE GOVERNMENT APPROVAL OF SUPPORTING CALCULATIONS WHICH VERIFY THAT SHIPBOARD MOUNTING STIFFNESSES ARE ADEQUATELY REPRESENTED. IFA A NON-STANDARD FIXTURE ISREQUIRED, THE SELLER SHALL IDENTIFY THIS TO THE BUYER AND THE BUYER SHALL PROVIDE APPROPRIATE MINIMUM SHIPBOARD STIFFNESSES/FREQUENCIES TO BE SIMULATED. UPON COMPLETION OF SHOCK TESTING, THE SELLER SHALL PREPARE AND SUBMIT TO THE BUYER A SHOCK TEST REPORT IAW DATA ITEM DESCRIPTION DI-ENVR-80708 OF MIL-S-901D (WITH IC1), INCLUDING POST-SHOCK TEST INSPECTION. ALL COSTS INCURRED DUE TO SHOCK QUALIFICATION REQUIREMENTS, SUCH AS TRANSPORTATION, TEST SETUP, SHOCK TESTING, REPAIR, REPLACEMENT, OR RE-CONDITIONING, RE-TESTING, POST-SHOCK TEST INSPECTION,AND FUNCTIONAL TESTING SHALL BE BORNE BY THE SELLER, UNLESS OTHERWISE AGREED TO BE THE BUYER. THIS SHALL INCLUDE COSTS FOR THOROUGH INSPECTION AND CORRECTION OF DAMAGE TO TEST ITEMS WHICH HAVE SUCCESSFULLY PASSED SHOCK QUALIFICATION TESTING AND WHICH ARE TO BE DELIVERED TO THE BUYER MANUFACTURING SCHEDULES SHALL ALLOW AMPLE TIME FOR SHOCK TESTING AT THE SITE TO MEET THE BUYER'S REQUIREMENTS. TEST ITEMS THAT FAIL TO PASS INITIAL SHOCK TESTS SHALL BE IDENTIFIED TO THE BUYER AND, AS DIR-ECTED BY THE BUYER, RE-TESTED AT THE TEST FACILITY AS THE TEST FACILITY SCHEDULE PERMITS. THE SELLER SHALL ALSO ALLOW SUFFICIENT TIME FOLLOWING THE SHOCK TEST TO PERMIT SHIPMENT BACK TO THE PLACE OF MANUFACTURE FOR POST-SHOCK TEST INSPECTION, FUNCTIONAL TESTING AND CORRECTION OF ANY DAMAGE SUCH THAT THE TEST ITEM MAY BE DELIVERED TO THE BUYER ON SCHEDULE. MODIFICATIONS TO MIL-S-901D DATED 17 MARCH 1989 AS MODIFIED BY INTERIMCHANGE 1 DATED 23 AUGUST 1994: PAGE SECTION MODIFICATION 3 1.2.3 UNDER "CLASS III", DELETE "AND IS THEREFORE REQUIRED .......CLASS II REQUIREMENTS" 10 3.1.2(B) AFTER "4500 POUNDS." INSERT "WHEN THE 90 DEGREE FIX- TURE IS USED FOR TESTING SUBMARINE STANCHION SUPPORTED DECK MOUNTED AND HULL MOUNTED ITEMS, THE MAXIMUM ALLOWABLE TOTAL WEIGHT SUPPORTED BY THE MEDIUM WEIGHT SHOCK MACHINE ANVIL PLATE SHALL NOT EXCEED 7400 POUNDS AND THE ITEM WEIGHT SUPPORTED BY THE ANVIL PLATE SHALL NOT EXCEED 4500 POUNDS." PAGE SECTION MODIFICATION 10 3.1.2(B) AFTER "3400 POUNDS." INSERT "WHEN THE 90 DEGREE FIX- TURE IS USED FOR TESTING SUBMARINE FRAME MOUNTED ITEMS THE MAXIMUM ALLOWABLE TOTALWEIGHT SUPPORTED BY THE MEDIUM WEIGHT SHOCK MACINE ANVIL PLATE SHALL NOT EX- CEED 5000 POUNDS AND THE ITEM WEIGHT SUPPORTED BY THE ANVIL PLATE SHALL NOT EXCEED 3400 POUNDS." 12 3.1.6.1 DELETE "WHEN SUPPORTING JUSTIFICATION IS PROVIDED..... HARD MOUNTED CONFIGURATION." AND INSERT A NEW PARA- GRAPH "IN THE EVENT PRINCIPAL UNITS, TO BE QUALIFIED BY SHOCK TESTING, HAVE NO INTERNAL ISOLATION MOUNTS FOR SUBSIDIARY COMPONENTS AND/OR SUBASSEMBLIES AND THE UNITS ARE INSTALLED ABOARD SHIP IN THE ISOLATED (CLASS II) AND/OR SUBASSEMBLIES AND THE PRINCIPAL UNITS ARE INSTALLED ABOARD SHIP IN THE ISOLATED (CLASS II) AND/OR UNISOLATED (CLASS I) SHIPBOARD MOUNTING CONFIG- URATION PROVIDED THAT THE ISLOTION MOUNTS, SUBBASES, HOLDDOWN MEANS AND OTHER COMPONENTS UNIQUE TO THE ISO- LATION MOUNTED INSTALLATION ARE SELECTED, DESIGNED, OR SHOCK TESTED TO SUIT SEPARATELY INVOKED SHOCK REQUIRE- MENTS." 16 3.1.6.5(E)DELETE "NOTE: SHOCK TESTING OF...REQUIREMENTS (SEE 1.2.3 AND 6.2.2)." 42 6.2.2(F) DELETE "PERMISSION TO SHOCK TEST...ONLY(SEE 3.1.6.5(E) AND INSERT "NOT USED." 60 6.6.14(C) DELETE "(C) IT IS MANUFACTURED...ACCEPTANCE AUTH- ORITY." AND REPLACE WITH "(C) WHEN (1) IT IS MANUFACTURED FROM THE SAME REVISION OF THE SAME LEVEL 3 DRAWING (OR EQUIVALENT FULLY DETAILED NAVSEA STANDARD DRAWING), OR (2) IT IS MANUFACTURED FROM DIFFERENT REVISIONS OF THE SAME LEVEL 3 DRAWING, BUT DIFFERENCES ARE EITHER EDITORIAL OR HAVE NO IMPACT ON THE SHOCK RESPONSE OF THE ITEM, OR (3) IT IS MANUFACTURED BY DIFFERENT MANUFAC- TURERS AND MEETS THE REQUIREMENTS OF (1) OR (2) ABOVE; THIS SHALL NOT APPLY TO ELEC- TRICAL ITEMS WHERE THE MANUFACTURING PROCESS AFFECTS THE DESIGN OF THE COMPONENT, OR (4) IT IS MANUFACTURED FROM A DRAWING OTHER THAN A LEVEL 3 DRAWING BUT INFORMATION IS SUFFIC- IENT FOR THE DESIGN YARD TO CONFIRM THAT THE ITEM MEETS THE REQUIREMENTS OF (A) AND (B) AND THE INTENT OF (1) OR (2) ABOVE, OR (5) IT IS MANUFACTURED FROM A LATER REVISION OF THE DRAWING OF PREVIOUSLY QUALIFIED EQUIP- MENT AND THE LATER REVISION OF THE EQUIPMENT DRAWING HAS BEEN APPROVED BY THE SUPERVISOR OR NAVSEA."