Form U 1 – Fill Out and Use This PDF

Box 1: under Manufactured and certified by, enter the Name and address of Manufacturer.

Box 2: under Manufactured for, enter the Name and address of Purchaser.

Box 3: under Location of installation, enter the Name and address.

Box 4: under Type, enter Horizontal, vertical, or sphere, then Tank, separator, jkt. vessel, heat exch., etc., then the Manufacturer's serial number.

Enter the CRN, Drawing number, Year built and National Board number.

For ASME Code, Section VIII, Div. 1, enter the Code Case number, the Special service per UG-120(d) and the Edition and Addenda, if applicable (date).

Box 6, Shell: enter (a) Number of course(s) and (b) Overall length.

Items 6-11 incl. are to be completed for single wall vessels, jackets of jacketed vessels, shell of heat exchangers, or chamber of multichamber vessels.

For each course, enter No., Diameter, Length, Material Spec./Grade or Type, Thickness Nom. and Corr., the Long. Joint (Cat. A) Type, Eff. and Full, Spot, None, the Circum. Joint (Cat. A, B & C) Type, Eff. and Full, Spot, None, and the Heat Treatment Temp. and Time.

Box 7, Heads: for (a) and (b), enter the Material spec. number, grade or type and the H.T. - time and temp.

For (a) and (b), enter the Location (Top, Bottom, Ends), Thickness Min. and Corr., Radius Crown and Knuckle, Elliptical Ratio, Conical Apex Angle, Hemispherical Radius, Flat Diameter, Convex or Concave Side to Pressure, Type, Eff. and Full, Spot, None, and Category A.

If removable, enter the bolts used (describe other fastening) with the Material spec. number, grade, size, number.

Box 8, one of Items 6-11 incl. to be completed for jackets of jacketed vessels: enter the Type of jacket and the Jacket closure (Describe as ogee and weld, bar, etc.).

If bar, give dimensions. If bolted, describe or sketch.

Box 9: enter the MAWP at max. temp. and the Min. design metal temp. at, each as (Internal) and (External).

Box 10, Impact test: indicate yes or no and the component(s) impact tested, and enter the test temperature.

Box 11: enter the Hydro., pneu., or comb. test pressure and the Proof test.

Items 12 and 13 are to be completed for tube sections.

Box 12, Tubesheet: for the Stationary and Floating tubesheet, enter the material spec. no., the Diameter (subject to press.), the Nominal thickness, the Attachment (welded or bolted) and the Corr. allow.

Box 13, Tubes: enter the Material spec. no., grade or type, the O.D., the Nominal thickness, the Number and the Type (straight or U).

Items 14-18 incl. are to be completed for inner chambers of jacketed vessels or channels of heat exchangers.

Box 14, Shell: enter (a) No. of course(s) and (b) Overall length.

Box 15, Heads: for (a) and (b), enter the Material spec. number, grade or type and the H.T. - time and temp.

On FORM U-1 (Back), Box 16: enter the MAWP at max. temp. and the Min. design metal temp. at, each as (Internal) and (External).

Box 17, Impact test: enter the test temperature and indicate yes or no and the component(s) impact tested.

Box 18: enter the Hydro., pneu., or comb. test pressure and the Proof test. Box 19, Nozzles, inspection, and safety valve openings: for each opening, enter the Purpose (Inlet, Outlet, Drain, etc.), No., Diameter or Size, Type, Material Nozzle and Flange, Thickness Nom. and Corr., Reinforcement Material, Attachment Details Nozzle and Flange, and Location (Insp. Open.).

Box 20, Supports: enter Skirt (Yes or no), Lugs (Number), Legs (Number) and Others (Describe), and where and how they are Attached.

Box 21: list the name of part, item number, Manufacturer's name, and identifying number of each item for which Manufacturer's Partial Data Reports properly identified and signed by Commissioned Inspectors have been furnished.

Box 22: enter the Remarks.

Certificate of Shop Compliance: enter the U Certificate of Authorization Number, Expires, Date and Name, and have the Representative sign.

Certificate of Shop Inspection: the Authorized Inspector holds a valid commission issued by the National Board of Boiler and Pressure Vessel Inspectors and/or the State or Province. The Inspector enters the State or Province after the first "of", the employer after "and employed by", where the employer is after the second "of", and the date after "have inspected the pressure vessel described in this Manufacturer's Data Report on". The Inspector states that the Manufacturer has constructed this pressure vessel in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1.

The Inspector enters the Date, signs, and enters the Commissions [National Board (incl. endorsements), State, Province, and number].

Certificate of Field Assembly Compliance: for the field assembly, enter the Assembler's U Certificate of Authorization Number of ASME Boiler and Pressure Vessel Code, Section VIII, Division 1, Expires, Date and Name; the Representative signs.

Certificate of Field Assembly Inspection: the Authorized Inspector states that parts referred to as data items, not included in the certificate of shop inspection, have been inspected, and that the described vessel was inspected and subjected to a hydrostatic test of the pressure entered.

For Certificate of Field Assembly Inspection, enter Date, Signed and Commissions (Authorized Inspector) [National Board (incl. endorsements), State, Province, and number].

Form U-1 is the Manufacturer's Data Report for Pressure Vessels, as required by the provisions of the ASME Boiler and Pressure Vessel Code Rules, Section VIII, Division 1. The Certificate of Shop Compliance states that the statements in this report are correct and that all details of design, material, construction, and workmanship of this vessel conform to the ASME Boiler and Pressure Vessel Code, Section VIII, Division 1.