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Laminate Construction Requirements 7.

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There is no known ISO c to this standard. Laps in subsequent layers shall be staggered at least 2. Successive layers shall uniformly increase in width in that speci? If the damage is not? This internal overlay shall not be considered a structural element in determining joint thickness. The hoist wire should be connected to the top lifting lugs, and the tank should be raised carefully, using guide ropes to prevent sudden swinging. Hoisting equipment operators should attach a guide line to prevent tank from swinging out of control.

Contact-molded laminates shall satisfy the minimum property requirements listed in Speci?

Nozzle Inside Diameter Up to 10 in. It is the responsibility of the fabricator, using a thixotropic agent in the resin required for 7. NOTE 9—Tanks for installation outdoors shall be designed for the effect of wind loading and other environmental factors in accordance with sound design practice, including tank buckling analysis.

When contact-molded laminate joints are used to join hoop segments of the straight where: If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. NOTE 12—Support of auxiliary equipment, snow load, or operation personnel may require additional astmm or the use of stiffener ribs, sandwich construction, or other stiffening systems. Current edition approved March 10, Surfaces shall be clean and dry before lay-up.


ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. 32999 are Design Tanks manufacturing standards?

The reinforcement shall then taper into the side wall over an additional length of 4 in. Tanks can be moved by positioning fork-lift trucks on either side of the tank with forks padded. This standard does not purport to address all of ashm safety concerns, if any, associated with its use.

The entire roughened ast shall be coated with paraffinated resin after joint overlay is made. B Axial joint overlay widths shall be twice the width shown in table.

The interior overlay shall present the same corrosion resistance to the? A line of support is the following: In addition, this clearance shall not be less than the shear distance required for proper installation of the nozzle see 7. Each ply of mat or pass of chopped roving shall be well-rolled prior to the application of additional reinforcement. Design Requirements Design Requirements 6. Damage caused by such action may result in cracking the inner corrosion-resistant liner, as well as the structural portion of the tank.

For Elliptical Bottom Head: Included are requirements for materials, properties, design, construction, dimensions, tolerances, workmanship, and appearance.

Astn are requirements for materials, properties, design, construction, dimensions, tolerances, workmanship, and appearance. This standard has been approved for use by agencies of the Department of Defense.


Plate 33299, where needed, shall 3299 evenly spaced around the nozzle and are to be added after complete assembly by the nozzle on the shell. Design Tanks stores resins in a climate-controlled wstm area to eliminate production variances related to temperature changes. The clearance between the head shackle of the crane and the tank should be at least equal to the span between the lugs used for lifting.

The Design Tanks Difference: Exceeding The Standards | Design Tanks

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

The tank shall be secured to the cradles or skid so that there can be no movement of asym tank in relation to the skid or cradle under normal handling. When the inside laminate consists only of a corrosion barrier, the length of the laminate, hr shall be a minimum of 3 in.

Installation laminate placements are shown in Fig. Never set a tank upon a?

Instrument calibration and method shall be as described in Test Method D Methods of manufacture that incorporate stiffening bands as a means of knuckle stabilization, are permissible alternatives by agreement between purchaser and fabricator, provided the fabricator can document the validity of the design.

Only those constructions evaluated for design properties in This overlay shall be the equivalent of 7.

Certified fabricators can provide an RTP-1 stamp on qualifying tanks. The entire roughened area shall be coated with paraffinated resin after the joint lay-up is made.