Velatia ORMAZABAL basic pfu Series, General Instructions Manual

Page 1: ...LIB pfu basic range Prefabricated concrete enclosure ground level walk in type General instructions IG 032 EN version 05 18 06 2019...

Page 2: ...ectrical installations Personnel must be fully familiar with the instructions and warnings contained in this manual and in other recommendations of a more general nature which are applicable to the si...

Page 3: ...e roof 13 6 2 1 pfu 3 and pfu 4 roofs 13 6 2 2 pfu 5 roof 15 6 2 3 pfu 7 roof 16 7 Transport 18 7 1 Road transport 18 8 Installation 19 8 1 Receiving the equipment 19 8 2 Location 19 8 3 Planning 20 8...

Page 4: ...ildings are ground level walk in type concrete enclosures with Ormazabal medium voltage switchgear for distribution networks up to 40 5 kV The buildings consist of a monoblock enclosure and a removabl...

Page 5: ...e ground level walk in type Standards applied 2 Standards applied The pfu meets the design requirements set out in Standard IEC 62271 202 high voltage low voltage prefabricated transformer substations...

Page 6: ...ongst others the following elements Prefabricated monoblock concrete body Prefabricated removable concrete roof Prefabricated concrete raised floor Liquid dielectric collection trench optionally fire...

Page 7: ...mal service conditions in accordance with Standard IEC 62271 1 In the building it is understood that normal indoor service conditions according to Standard IEC 62271 1 prevail Installation Outdoor Sol...

Page 8: ...s are shown below For further information please ask Ormazabal pfu 3 pfu 4 pfu 5 pfu 7 Length mm 3280 4460 6080 8080 Body width mm 2380 Roof width mm 2500 Total height mm Standard roof 3045 3240 Raise...

Page 9: ...h extensions should be used for the pfu and pfs buildings For any doubts please ask Ormazabal Transformer weight limitation for handling the pfu 7 The maximum weight of the transformers is limited to...

Page 10: ...beam has a series of numbered holes at the end for transverse balancing Table 6 1 shows the appropriate positions for each model and the minimum height required from the crane hook to the floor in or...

Page 11: ...for hoisting m mm pfu 3 Without transformer or with 1 ransformer Without switchgear 2 6160 With switchgear 3 pfu 4 Without transformer or with 1 ransformer Without switchgear 2 6000 With switchgear 3...

Page 12: ...vel walk in type 3 Couplethefourhookstothebody sDEHA typeanchors as shown in Figure 6 6 Figure 6 6 Correct coupling method using DEHA hooks 4 Lift and position the pfu body using the crane Figure 6 7...

Page 13: ...ble that connects the pfu s roof and body 6 2 1 pfu 3 and pfu 4 roofs The weight of the pfu 3 and pfu 4 roofs is as follows Model Weight kg pfu 3 Standard roof 2240 Raised roof 2630 pfu 4 Standard roo...

Page 14: ...throughout their length 3 Join the tools according to Figure 6 9 1 35 T Lifting beam 2 Chains slings minimum length 3 m maximum length 3 5 m Figure 6 9 Lifting tools set 4 Hook the chain hooks on the...

Page 15: ...eam 2 Chains slings minimum length 3 m maximum length 3 5 m 3 High strength M20 rotating eyebolts 4 Flat head screwdriver Figure 6 11 Tools and equipment required Proceed as follows to handle the roof...

Page 16: ...hooks from the bottom chains or slings unscrew the six eyebolts and return the plugs removed in step 1 6 2 3 pfu 7 roof The weight of the pfu 7 s roof is 7750 kg The following tools and equipment are...

Page 17: ...2 Chains slings Figure 6 15 Lifting tools set 4 Hook the chain sling hooks on the eye bolts 5 Lift the pfu roof using the crane When removing the roof support it on wooden boards The boards can rest o...

Page 18: ...ded for transporting the pfu Transport should be planned well in advance envisaging all authorisations and any restrictions on weight and length in accordance with legislation in the countries the bui...

Page 19: ...unloading and assembly operations taking into account the distances to overhead lines slopes etc 8 1 Receiving the equipment Upon receipt of the building carefully check the following 1 The general co...

Page 20: ...60 t pfu 4 40 t 60 t 60 t 80 t pfu 5 60 t 60 t 80 t 100 t pfu 7 80 t 100 t 100 t Table 8 1 Crane power in accordance with distance D for handling the pfu For other distances D please contact Ormazabal...

Page 21: ...mpact it properly Take the measures appropriate to each case to prevent the filling sand from eroding 2 Ground with hardness less than 1 kg cm2 the base of the pit must be covered with a layer of rein...

Page 22: ...aterial and equipment next to the edge of the excavation taking the necessary precautions to prevent the walls from caving in and materials falling inside In general keep a 3 m area around the excavat...

Page 23: ...levelling Ground on slopes with danger of flooding or high water table level are prepared with specific procedures All other ground is prepared following the procedure set out for ground in normal co...

Page 24: ...ng it is best to use a mixture of sand and cement when levelling Once the boards are level use the levelling board to check that the ground is in perfect condition 1 Concrete slab and levelling sand l...

Page 25: ...d with concrete rockfill etc to provide stability to the prefabricated building 1 Level 0 2 Envisaged flooding level 3 Fill Figure 8 7 Levelling specifications on ground with risk of flooding 8 4 4 Se...

Page 26: ...f the prefabricated concrete building The protective earthing circuit finishes in a switch box The exterior protection earthing circuit connects to this switch box The wire reinforcement of the body a...

Page 27: ...ns The installation project must include the section for implementation of the earthing installation along with justification of its sizing The conductors braided wire cross section the terminals cont...

Page 28: ...rethane foam etc 8 6 1 Low voltage auxiliary supply input In the front wall of the pfu next to each access door to the distribution transformer zone there is a 140 mm diameter hole that allows a tempo...

Page 29: ...nut and the clamp Set aside both parts Figure 8 12 Extracting the wing nut and the clamp 3 Open the hole by pushing the cover towards the outside of the building Set aside the cover along with the wi...

Page 30: ...pfu basic range Prefabricated concrete enclosure ground level walk in type 9 Maintenance The pfu does not require specific maintenance It may occasionally require lubricating the locks and checking th...

Page 31: ...pfu consists essentially of materials which at the end of their life cycle are catalogued as Inert Industrial Waste In accordance with Ormazabal s commitment to the Environment endorsed by the ISO 14...

Page 32: ...Subject to change without prior notice For further information please contact Ormazabal www ormazabal com Prefabricados Uniblok SESE A Spain...