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UN/EDIFACT
UNITED NATIONS STANDARD MESSAGE (UNSM)

Work item quantity determination message

Version:D
Release:99B
Contr. Agency:UN
Revision:1
Date:1999-09-11
SOURCE:Western European EDIFACT Board - MD5

CONTENTS
Work item quantity determination message
  1. INTRODUCTION
  2. SCOPE
    1. Functional definition
    2. Field of application
    3. Principles
  3. REFERENCES
  4. TERMS AND DEFINITIONS
    1. Standard terms and definitions
  5. MESSAGE DEFINITION
    1. Segment clarification
    2. Segment index (alphabetical sequence)
    3. Message structure
      1. Segment table

For general information on UN standard message types see UN Trade Data Interchange Directory, UNTDID, Part 4, Section 2.3, UN/ECE UNSM General Introduction


This message also occurs in the following versions of this standard:
D94A, D94B, D95A, D95B, D96A, D96B, D97A, D97B, D98A, D98B, D99A, D99B, D00A, D00B, D01A, D01B, D01C, D02A, D02B, D03A, D03B, D04A, D04B

0. INTRODUCTION

This specification provides the definition of the Work item quantity determination message (CONWQD) to be used in Electronic Data Interchange (EDI) between trading partners involved in administration, commerce and transport.


1. SCOPE

There are occasions during the construction process when it is required to substantiate the quantities associated with specific sections of work. This message will be needed by various parties involved in the project to determine these quantity details.


1.1. Functional Definition

Typically this message will be used between a contractor and the client's representative or other partners within the construction process, for justifying the work item quantities given in messages that describe the work items or their progress valuations.


1.2. Field of Application

The Work item quantity determination message may be used for both national and international applications. It is based on universal practice related to administration, commerce and transport, and is not dependent on the type of business or industry.


1.3. Principles

There are several examples within the construction process where one party is required to justify to another party the quantities per work item he has already given in earlier messages.

A project may be subdivided into individual groupings of work, referred to as items and it is against the quantities of these items that a justification has to be given.

Within the Construction industry there are numerous rules which govern this part of the process. Although efforts have been made to keep the design of the message generic, other potential users of this message are cautioned about the specific and original role for which it has been designed.

This is only one of a number of messages being designed for the construction industry. This particular message refers to already described items of work or their progress valuation in earlier sent construction messages.

This message is for verifiable and provable quantities per work item which include individual calculations with sub- and intermediate totals. The message contains the quantities and how they are assessed for each of the work items. For every work item the quantity per unit must be determined (except those with a flat rate, which are paid according to payment schedules). The unit of quantity is defined by common technical rules. Rules describe the way in which quantities are calculated. These use standard formulae.


2. REFERENCES

See UNTDID, Part 4, Chapter 2.3 UN/ECE UNSM - General Introduction, Section 1.


3. TERMS AND DEFINITIONS


3.1. Standard terms and definitions

See UNTDID, Part 4, Chapter 2.3 UN/ECE UNSM - General Introduction, Section 2.


4. MESSAGE DEFINITION


4.1. Segment Clarification

This section should be read in conjunction with the segment table which indicates mandatory, conditional and repeating requirements.

0010 UNH, Message header

A service segment starting and uniquely identifying a message. The message type code for the Work item quantity determination message is CONWQD.

Note: Work item quantity determination messages conforming to this document must contain the following data in segment UNH, composite S009:

Data element0065CONWQD
0052D
005499B
0051UN

0020 BGM, Beginning of message

A segment for unique identification of the Work Item Quantity Determination document name, number and function.

0030 DTM, Date/time/period

A segment specifying the dates that apply, e.g. date of valuation, date of submission, acceptance date, etc.

0040 AUT, Authentication result

A segment used to authenticate the message by exchanging a password or some other form of identification agreed between the trading partners.

0050 FTX, Free text

A segment with free text information, in coded or clear form, used for any textual qualification. In computer to computer exchanges, such text will require the receiver to process this segment manually.

0060 Segment Group 1: RFF-DTM

A group of segments for quoting references and their relevant dates that are applicable to the message.

0070 RFF, Reference

A segment for quoting references that are applicable to this message. e.g. contract identity, operational references, determination reference number of a former message.

0080 DTM, Date/time/period

Date of references quoted in the previous RFF segment.

0090 Segment Group 2: NAD-LOC-FII-SG3-SG4-SG5

A group of segments identifying the parties with associated information.

0100 NAD, Name and address

A segment identifying names and addresses of the parties, in coded or clear form, and their functions relevant to the Work Item Quantity Determination Message. Identification of the contractor and client parties is mandatory for the Work Item Quantity Determination Message. It is recommended that where possible only the coded form of the party ID should be specified.

0110 LOC, Place/location identification

A segment giving more specific location information of the party specified in the NAD segment e.g. internal site/building number.

0120 FII, Financial institution information

A segment identifying the financial institution (e.g. bank) and relevant account numbers for the contractor, client and where necessary other parties.

0130 Segment Group 3: RFF-DTM

A group of segments giving references only relevant to the specified party rather than the whole message.

0140 RFF, Reference

A segment identifying the reference by its number and where appropriate a line number within a document.

0150 DTM, Date/time/period

A segment specifying the date and/or time related to the reference.

0160 Segment Group 4: DOC-DTM

A group of segments identifying the documentary requirements of the specified party.

0170 DOC, Document/message details

A segment identifying and providing information relating to the documents required by the party specified by the NAD.

0180 DTM, Date/time/period

A segment specifying the date and/or time of the document.

0190 Segment Group 5: CTA-COM

A group of segments giving contact details of the specific person or department within the party identified in the NAD segment.

0200 CTA, Contact information

A segment to identify a person or department, and associated function, to whom communications should be directed.

0210 COM, Communication contact

A segment to identify a communication type and number for the contact specified in the CTA segment.

0220 Segment Group 6: BII-QTY-SG7-SG8

A group of segments providing the quantity determination for each work item. A quantity determination can consist of several "calculation lines".

0230 BII, Structure identification

A segment to identify the item of work to which this quantity determination applies.

0240 QTY, Quantity

A segment giving control totals for this work item.

0250 Segment Group 7: RFF-FTX-DTM

A segment group enabling a reference for the work item.

0260 RFF, Reference

A segment giving a reference for the work item within the whole project.

0270 FTX, Free text

A segment giving a narrative description of the reference.

0280 DTM, Date/time/period

A segment giving a date when the reference in this segment group was related to project documentation.

0290 Segment Group 8: LIN-GIS-FTX-SG9

A segment group giving the calculation lines and their values for the work item identified in the BII segment.

0300 LIN, Line item

A segment identifying a calculation line within a work item.

0310 X GIS, General indicator

A segment indicating how this calculation must be interpreted.

0320 FTX, Free text

A narrative description concerning the whole work item or only the calculation given in segment group 9.

0330 Segment Group 9: QTY-GIS-RFF-FTX

A segment group giving the details of the calculation lines.

0340 QTY, Quantity

A segment giving the values and factor of this calculation line.

0350 X GIS, General indicator

A segment indicating, when necessary, mathematical signs for the values given in the QTY segment.

0360 RFF, Reference

A segment giving either: - the reference of an existing calculation line for this work item, identified in the BII segment, when its result is used in the current calculation line, or - when a standard formula is used, its reference number.

0370 FTX, Free text

Where a calculation line is not based upon a standard formula, the free and unstructured calculation and its values can be given in this segment.

0380 UNT, Message trailer

A service segment ending a message, giving the total number of segments in the message (including the UNH & UNT) and the control reference number of the message.


4.2. Segment index (Alphabetical sequence by tag)

AUT Authentication result
BGM Beginning of message
BII Structure identification
COM Communication contact
CTA Contact information
DOC Document/message details
DTM Date/time/period
FII Financial institution information
FTX Free text
GIS General indicator
LIN Line item
LOC Place/location identification
NAD Name and address
QTY Quantity
RFF Reference
UNH Message header
UNT Message trailer

4.3. Message structure


4.3.1. Segment table

├─UNH Message header ×1 (M)
├─BGM Beginning of message ×1 (M)
├─DTM Date/time/period ×2 (C)
├─AUT Authentication result ×2 (C)
├─FTX Free text ×5 (C)
├─Segment Group 1 ×10 (C)
├─RFF Reference ×1 (M)
└─DTM Date/time/period ×5 (C)
├─Segment Group 2 ×10 (C)
├─NAD Name and address ×1 (M)
├─LOC Place/location identification ×99 (C)
├─FII Financial institution information ×5 (C)
├─Segment Group 3 ×10 (C)
├─RFF Reference ×1 (M)
└─DTM Date/time/period ×5 (C)
├─Segment Group 4 ×5 (C)
├─DOC Document/message details ×1 (M)
└─DTM Date/time/period ×5 (C)
└─Segment Group 5 ×5 (C)
──├─CTA Contact information ×1 (M)
──└─COM Communication contact ×5 (C)
├─Segment Group 6 ×9999 (M)
├─BII Structure identification ×1 (M)
├─QTY Quantity ×3 (C)
├─Segment Group 7 ×99 (C)
├─RFF Reference ×1 (M)
├─FTX Free text ×1 (C)
└─DTM Date/time/period ×1 (C)
└─Segment Group 8 ×999 (C)
──├─LIN Line item ×1 (M)
──├─GIS General indicator ×1 (M)
──├─FTX Free text ×1 (C)
──└─Segment Group 9 ×10 (C)
────├─QTY Quantity ×1 (M)
────├─GIS General indicator ×1 (C)
────├─RFF Reference ×1 (C)
────└─FTX Free text ×1 (C)
└─UNT Message trailer ×1 (M)

Change indicators
plus sign An addition.
asterisk Addition/substraction/change to a code entry for a particular data element.
hash or pound sign Changes to names.
vertical bar Changes to text for descriptions, notes and functions.
minus sign A deletion.
letter X Marked for deletion.

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