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Velatia ORMAZABAL basic pfu Series, Общее руководство по инструкции

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IG-032-EN version 05; 18/06/2019

13

General instructions

pfu basic range: Prefabricated concrete  

enclosure, ground-level walk-in type

Handling 

6.2.  Handling the roof

Where necessary, the pfu roof can be removed using the 

threaded inserts set out on the top surface. 

Before handling the roof, disconnect the interior cable 

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 roof

2970

Raised roof

3415

Table 6.2.  pfu-3

 and 

pfu-4

 roof weights

The following tools and equipment are required to correctly 

handle the roof:

1

Lifting beam

2

Chains/slings (minimum length 3 m, maximum length 3.5 m)

3

High-strength M20 rotating eyebolts

4

Flat-head screwdriver

Figure 6.8. 

Tools and equipment required

Содержание ORMAZABAL basic pfu Series

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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