Latvian Maritime academy

Assembled blocks are joined together to make huge blocks and, at this point, rigging pipes, electric wiresand other. Most of this is being done while block is still on the ground to make job more efficient [5].Following step is to accurately mount these blocks together to make them in to a vessel. Afterassembling blocks together following stage is launching the ship in to the water. It is the most thrillingand exciting moment of all shipbuilding process. The finishing operation is carried out with the launchedhull at the quay. Starting with finishing work of accommodation and control sections, every equipmentand instrument is checked and re-examined in practice. The trial cruise includes tests of speed, engineperformance and operation of all equipment and instruments. The test results are kept as the performancerecord of the vessel. A new ship is born. Complexity and number of processes is displayed further in thearticle (Figure 4).After the delivery ceremony, the captain, chief engineer and crew embark for the ship’s maidenvoyage. Lately ships mostly built in docks. Docks in our days is a complicated hydro technical structurewith flat bottom. Docks can be up to 1000 meters in length and width up to 100 meters with depth about14 meters. Overall length of dock can be built partitions and in one dock can build a few ships at once [6].Process complexity, ship type and function, educated engineers, port infrastructure and technologieshave main impact on shipbuilding process. Moreover high quality materials are needed and the mostimportant is experienced workforce. As an example we can analyze indicators of shipbuilding in JSC“Western Baltic shipbuilding” company [7].While analyzing 1998 – 2011 years period it was found that the average shipbuilding tonnage of JSC“Western Baltic shipbuilding” reached 1248 t. Biggest ship tonnage was about 7 thousand tones , andsmallest was just about 80 tones. Half of all shipbuilding tonnage was lower than 1150 t of which halfships that were built was not more than 654 t. Half of ships which were built by JSC “Western Balticshipbuilding” tonnage was between 1150 and 7 thousand tones, of which half of the ships were over1700 tones. During 1998 – 2011 years period most ships that were built by JSC “Western Balticshipbuilding” was 1700 tonnage (Figure 5).a) b)Figure 5. JSC “Western Baltic shipbuilding” ships built by tonnagea) statistic histogram; b) ship construction time dependence of tonnage under constructionIt is possible to see that JSC “Western Baltic shipbuilding” frequently build ships which do notexceed 2256 t (93%). According to the JSC “Western Baltic shipbuilding” and market analysisdetermined that company operates sufficiently in specific sphere. There were noticed two exceptions inthe whole practice – low tonnage ship took even 70 months to build and high tonnage ship buildingprocess was twice faster than the previous one. This shows us that this ship building process exceedednormal and defined term of shipbuilding (observed process of similar size), and in these ships werespotted allot of factory spoilage.Regression analyze showed that JSC “Western Baltic shipbuilding” have got efficient shipbuildingline and advanced in aspects, technology and organization of work. Therefore it could be said thatshipbuilding process duration is determined not by ship size, but by advanced technology and resources.Manufacture spoilage analyse revealed that spoilage reasons can be linked to unusual manufacturetechnology, bad installation of building facilities or the human factor because spoilage was spotted whenship didn’t defined in the usual technological production standards.78