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UBE GROUP (THAILAND)
ENGINEERING SPECIFICATION
FOR
HEAT EXCHANGERS
UBE-E-102
Rev.0 : Sep.16, 2013
Page 4 of 16
ALL RIGHTS RESERVED
THIS DOCUMENT AND ANY DATA AND INFORMATION CONTAINED THEREIN ARE CONFIDENTIAL AND THE PROPERTY OF UBE GROUP. AND
THE COPYRIGHT THEREIN IS VESTED IN UBE GROUP. NO PART OF THIS DOCUMENT, DATA OR INFORMATION SHALL BE DISCLOSED TO
OTHERS OR REPRODUCED IN ANY MANNER OR USED FOR ANY PROPOSE WHATSOEVER, EXCEPT WITH THE PRIOR WRITTEN PERMISSION OF
UBE GROUP.
1.4 Purchaser's Drawings and Specifications
1.4.1 Purchaser will furnish Vendor with the drawings as indicated in Purchaser's requisition
sheets.
1.4.2 Either Formal Sketches or Engineering Drawings will be furnished to Vendor as
Purchaser's drawings.
(1) Formal Sketches (hereinafter referred to as Sketches) which are prepared based
on Purchaser's basic design work, contain such information as the shape, basic
dimensions, design conditions, materials for primary parts, and nozzle
specifications as required by the Vendor to accomplish his mechanical design of
the heat exchanger.
(2) Engineering Drawings (hereinafter referred to as Eng. Dwg's) contain, in
addition to the above information on Sketches, some constructional details
based on mechanical design of the vessels, as well as engineering information
necessary for planning, piping and foundation design of the heat exchanger.
1.4.3 Eng. Dwg's will be issued in the following steps. And at each step additional
information and/or revisions will be provided. Vendor shall proceed with his work in
accordance with purpose of each issue.
(1) Preliminary or for Information
(2) For Inquiry or for Approval
(3) Approved for Material Purchase only
(4) Approved for Construction (AFC)
(5) Final
1.4.4 Purchaser's Vessel Standards are to supplement Eng. Dwg's and Sketches, and
applicable standards sheets will be indicated on Eng. Dwg's or Sketches.
1.4.5 The related engineering specification to supplement this specification are as follows.
These specifications, when indicated on purchaser's requisition sheets shall form an
integral part of the purchase order.
(1) UBE-D-112 "Marking for vessels & Heat Exchangers"
(2) UBE-D-202 "Inspection and Tests for Vessels & Heat Exchangers"
(3) UBE-D-301 "Painting Works"
(4) UBE-R-453 "Shipping and Packing Instructions"
(5) - “Basic Engineering Design Data”
(6) UBE-L-101 "Thermal Insulation Design"
(7) UBE-A-100 "Design Loadings"
(8) UBE-D-100 "Vessel Standard"
1.4.6 Where requirements in Purchaser's drawings or specifications are not acceptable by
Vendor, suggested alternatives shall promptly be referred to Purchaser for approval.
1.5 Vendor's Drawings and Documents
1.5.1 Vendor shall submit to Purchaser drawings and documents as called for in Purchaser's
requisition sheets.
1.5.2 All drawings and documents shall give the name of the client (end user), Purchaser's
Job No., Item No., and name of the commodity.
1.5.3 Drawings and documents to be submitted shall be in metric, Celsius and kilogram unit.
As a rule, drawings shall be prepared to scale and in third angle projection.