109 
• Documented procedure for the verification of the 
photogrammetric coverage and the scale of the 
photograms; 
• Documented procedure relative to the A.T. phase 
and topographic measurements 
• Documented procedures relative to the modalities 
of copying, with particular regard for the 
classification and interpretation of the elements, 
phase completion times and the checks to be 
carried out on the areas that are not directly visible; 
• Documented procedures relative to the land survey 
stage, with particular regard for the instrumental 
campaigns of the elements of the territory that are 
not visible in the photographs; sample verification of 
the metric standards; 
• Documented procedures relative to the phase of 
electronic elaboration of the maps; 
• Instrument maintenance to assure a continued 
process capacity. 
• Check of conformity of the quality plan; 
Naturally, documented procedures must be actuated 
for the registration of the checks carried out during the 
process to be correlated to the finished product and its 
destination. 
3.5 Finished product 
The finished product is the numeric map, or 
geographical data base, its fundamental property is 
responding exactly to the morphological and 
anthropical situation of the surveyed area. 
Therefore, even if the production cycle finishes with the 
consignment of the map and the information in 
electronic form, the supplier must guarantee the results 
above all the technical-administrative verification and 
testing carried out at the end to verify the quality of the 
operations carried out. 
3.6. Contract re-examination 
With reference to the product, and to the tests carried 
out to verify that it satisfies the required requisites, the 
contract re-examination is aimed at verifying that: 
- the final characteristics of the product are “adequately 
defined and documented”. 
- the requirements conform to what is offered; 
- the supplier is able to satisfy the requisites indicated 
in the contract and can guarantee the tests required. 
3.7. Preventative and corrective actions 
The verification of the conformity, also following 
complaints by the client, activates the process of 
identifying the possible preventative/corrective actions 
by which the cause can be eliminated and the repetition 
of analogous situations avoided. 
These procedures include complaint management, 
identification of the cause, definition of 
preventative/corrective actions and the verification of 
the efficacy of corrective actions. 
4. CONCLUSIONS 
The production of “quality” numeric maps allows, 
through the programmed actuation of documented 
procedures in the various phases of production, to 
guarantee the desired characteristics. 
The study of the ISO 9000 legislation and the analysis 
of the production cycle of the “map” product/service 
have allowed the evaluation of the fundamental aspects 
for the creation of a “Quality Manuel” for the 
aerophotogrammetric based cartographic production. 
In this paper our attention has been focused on the 
aspects of the production cycle that have a direct 
influence on the quality of the product, showing, in 
particular, the importance of defining control 
procedures for the complex phases of design, of 
verifying properties and accepting in-coming materials, 
as well as the production cycle. 
It must be said, furthermore, that in the area of a 
Quality system, the training of staff and the prevention 
of accidents at work play an important role. 
Bibliography 
ISO-TAG4/WG3, IEC, BPM, OIML, IUPAC, IUPAP, 
IFCC, 1993. “Guide to the expression of uncertainty in 
measurement” 
ISO 9000-1, 1994 “Norme di gestione per la qualità e 
di assicurazione della qualità” 
ISO 9001, 1994 “Sistemi Qualità Modello per 
l’assicurazione della qualità nella progettazione, 
sviluppo, fabbricazione, installazione ed assistenza”. 
ISO 9002, 1994 “Sistemi Qualità - Modello per 
l’assicurazione della qualità nella fabbricazione, 
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Gaietto R., Spalla A., 1994 “Lezioni di Topografia”, Ed 
CLUP, Pavia, 1994 
G. Mattana, 1996 “Il congresso 1995 della 
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