Document OOayzp2z7Jo3qJDzN7KdJk9p

MINUTES of the GOVERNMENT TECHNICAL Sc RESEARCH COMMITTEE MEETING Marine Session NATIONAL INSULATION MANUFACTURERS ASSOCIATION Washington, D, C, May 21, 1963 The meeting was called to order by Bert Tower with the following in attendance: C, J, Hendrickson W, P.~ Sinclair Ray Foote John Ford Harold Browning V. L, Miller A. L, Munkres A, E, Kincaid J, H,. Chilcote Bert Tower John Sams M, H, Detrick Company Pittsburgh Corning Corp. Maritime Commission Coast Guard Bureau of Ships - Code 709 Pittsburgh Corning Corp, Bureau of Ships - Code 648 Owens-Coming Fiberglas Corp, Bureau of Ships - Code 634C4 Johns-Manville Sales Corp, Gustin-Bacon Mfg, Company Maritime Basic Specifications For Cargo Ship Construction - Final Draft 2/27/63, Revised Draft 3/15/63 --Section 75 - Discussed as follows: with possible revisions as shown - NOTE: Comments by those identified - otherwise consider as general consensus* R Foote: Specification with possible changes will be used by design agents as a guide for cargo vessels which might, include say 12 pass engers or so and exclusive of tankers. Any requirements in excess of these specifications will be paid by owners Maritime subsidizes 50 - 55% for Construction only - Carl Cooney wrote these specifications after reviewing all previous and present specifications and also endeavored to project ahead. The Maritime Commission requests from NIMA and from the individual manufacturers (with copies to NIMA) their comments. These comments should include full explanations 2 and reasoning. Comments without full clarification will not assist the Maritime Commission in evaluation - for the Maritime expects some 5000 comments. The deadline date for replies is June 9, 1963, It is suggested that the manufacturers respond as soon as possible and that Jack Barnhart write the Maritime Commission requesting an extension of time for NIMA and the manufacturers to reply. The following is the direction of the responses: U, S, Department of Commerce Maritime Commission Attn: L, C, Hoffman Chief Division of Engineering Office of Ship Construction Washington 25, D, C, Show on Subject Matter in Letter "Basic Specifications for Cargo Ship Construction - Section ?5M It is further suggested that Jack Barnhart also mention in his letter to the Maritime Commission that NIMA anticipated the presence of Maritime personnel to discuss Section 12 Basic Specifications, Air Conditioning, Heating and Ventilation, That it was to Government and Industry regret that no one was present from Maritime to discuss this important specifi cation. RE: SECTION 75 Par, 1 line 10 line 11 line 26 line 33 line 35 Delete word "Insulation" Change to read surface temperature of pipe may vary Comments requested on temperatures Delete word "Diesel" and change to "Engine" Delete word "Diesel and change to "Engine" Par, 2 - It was suggested that lines 9, 10 and 11 be rewritten NOTE: Maritime thickness generally thicker than Navy, * The 125 temperature referred to is the temperature of the pipe, not the lagging. Par, 2 line 28 line 35 line 36 Comments requested Delete "or Fibrous Glass" Clarify 350 F - question 370F? 3 Par, 2 Page 3 line 5 Delete "or Fibrous Glass" Page 3 line 6 Clarify 999 F Temp - two types NOTE: It was suggested that Federal Specifications be used whenever possible in lieu of Military Specs, Question if there should be a new Section for 1000 or above. Par* 4 Insulating Cements - Comments requested NOTE: HH-I-00500 is being revised - Comments regarding including in this spec. Par, 4 Maritime is endeavoring to develop costs on piping on a R & D project. It was stated the economic thickness manual only refers to flat surfaces. Par, 4 - Table A - line 12 Consider inserting Fibrous Glass - All manufacturers are requested to review and comment on thickness and sizes*. The Table A Note should also pertain to Table A-l Par* 7 - Table B - line 24 & 25 Suggest rewrite to include 85% magnesia and to also include "in accordance with manufact urers recommendations" deleting "as approved" Par. 8 line 8 It was suggested that this cover single and double layer expansions. Clarification is requested as to what constitutes an "approved expansion joint" Par, 8 Clarify where single and where double used. Par, 13 - Bagging - line 8 Suggaet include the one coat type of Insulating & Finishing Cement* 75 - 12 Table D A review of this Table is requested as it was felt it was not consistant, NOTE: Metal lagging is not being used in practically all areas Re: Section 12 - It is requested that a future meeting be arranged by the Chairman possibly the later part of June and to write John Brackett of Maritime* Comments are requested on 1) Heated Tube Test, 2) What is a Fire Test and 3) Should the test be for materials applied? 4 The morning was primarily spent discussing Section 75, There was little time to Discuss Section 12, In conclusion was desire to remind the members that they are to respond to the Maritime, directly re Section 75, sending copy to NIMA, Respectfully submitted C, J, Hendrickson