Document e7rD3Mx66OxgpbYDrjMaryGVq
MINUTES
of the
GOVERNMENT TECHNICAL, & RESEARCH COMMITTEE MEETING
NATIONAL. INSULATION MANUFACTURERS ASSOCIATION
Washington, D. C.
December 4, 1963
Maritime Session
The meeting was called to order at 9:15 A. M. by the acting Chairman, A. Kincaid, with the following in attendance:
C. de\V* Herreshoff J. H* Chilcote A 1** Munkres R, P. Seith J, F, Brackett J. W. Ford A, F. Inileto W. M. Lawall R. C, Hale D, E, McDaniel P. R, Achenbach J, W, Cordrey W, P. Ellis
W. T. Irwin A. Kincaid . Joseph Lynch W. P. Sinclair
Bureau of Ships, Code 649 Bureau of Ships, Code 634C Bureau of Ships, Code 648A Bureau of Ships, Code 634A Maritime Administration, Code 832.4 U. S. Coait Guard (ENE) U. S. Coast Gused (ENE) U. S. Coast Guard (ETD)-- U. S. Coast Guard (MMT-3) U. S. Coast Guard (MMT) National Bureau of Standards Fibreboaxd Paper Products Co. Benjamin Foster Co, Pittsburgh Plate Glass Co. Owens-Corning Fibergias Corp. Johns-Manville Sales Corp. Pittsburgh Coming Corp.
A. Section 12: pages 40, 41, Maritime Administration Basic Specification for Cargo Ship Construction (Heating and Ventilating Section)
1. U, S. Coast Guard requirements for incombustible materials precludes use of-material meeting M2L-I-742, Type H and Class 5 of MIL-I-22023, and MIL-I-22344. Specifications for one ship are being revised using trade names of materials listed under 164.009 of the U. S. Coast Guard Equipment List.
2. Maritime Administration was asked to consider the following:
a. Permit:: use of molded type insulation on round ducts in addition to blanket types.
b. Need for full coverage of adhesive application to duct surface.
c. Review section on round duct concerned with use cf staples as means of fastening.
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d. Make more specific reference to suitable types of cloth used for finishing, (Asbestos or glass)
e. Review requirement specifying 2** overlap of cloth or tape and consider 1" minimum overlap.
f. Future specifications should reference government and ASTM specifications rather than trade names. {NIMA is asked to comment on specifications in this manner).
g. Investigate need for coat of adhesive between cloth lagging and insulation surface. Manufacturers to work with Benjamin Foster to determine this need and submit to Maritime for evaluation.
3. Government T h R Group will provide a recommendation on Section 12 to NIMA, ^Maritime Administration will prvdhhe sa proposed basic specification for discussion purposes.
4. Government T & R Group asks NIMA T & R-Committee to review section 4,2.5 of Maritime Spec. 32-MA-3b, Vibration Test, Suggestion made to compare this test with MlL.~Std.l67.
B. Boast Guard Requirements for UU and Pipe Insulation Aboard Ship3.
1. Coast Guard reviewed need for incombustible materials in service areas and accommodation spaces for passengers and crew in passenger, cargo and tank vessels.
There being no further business, the meeting was adjourned.
Respectfully submitted
W. T, Irwin