Акт приёмки подпишут ввиду того, что устранение недостатков завершено.

Not really. In this kind of official or legal Russian, акт often means a formal document, report, or certificate, not an action.

So акт приёмки is an acceptance certificate/report: a document confirming that work, goods, or services have been inspected and accepted.

This is a very common bureaucratic/business expression in Russian.

Because приёмки is the genitive singular form of приёмка.

Russian often uses this pattern:

noun + genitive noun

to express something like X of Y in English.

So:

• акт приёмки = act/certificate of acceptance
• literally: document of acceptance

This is one of the most common noun combinations in Russian.

This is a very common Russian pattern called an indefinite-personal construction.

Подпишут literally means they will sign, but Russian often uses 3rd person plural with no subject when the exact people are not important or are obvious from context.

So:

• Акт приёмки подпишут
  = They will sign the acceptance certificate = more naturally in English, The acceptance certificate will be signed

In official Russian, this often sounds more natural than naming the people or using a full passive.

A learner might expect the first noun phrase to be the subject, but here it is the object.

Why?

Because the verb is подпишут, which is plural, while акт is singular. So акт приёмки cannot be the subject of подпишут.

What is happening is:

• implied subject: they
• verb: will sign
• object: акт приёмки

Also, for an inanimate masculine noun like акт, the accusative singular looks exactly like the nominative singular. So акт can be either subject-form or object-form, depending on syntax.

Yes, it is quite formal.

Ввиду того, что means:

• because
• since
• in view of the fact that

It is typical of official, administrative, legal, and business Russian.

Compared with other cause expressions:

• потому что = ordinary, neutral because
• так как = somewhat formal since / as
• ввиду того, что = distinctly formal, bureaucratic in view of the fact that

So this sentence sounds like official paperwork, not casual conversation.

Because ввиду того, что introduces a subordinate clause of reason.

The part after it —

устранение недостатков завершено

— explains the reason why the acceptance certificate will be signed.

In this expression, Russian normally writes the comma before что:

• ввиду того, что ...

So the comma is a normal sign that a subordinate clause is beginning.

Literally, it means elimination/removal of defects.

More natural English translations would be:

• correction of defects
• rectification of deficiencies
• fixing the defects
• the defects have been remedied (depending on how you restructure it)

The words are:

• устранение = elimination, removal, correction
• недостатков = of defects / of shortcomings

This is another very typical formal noun phrase in Russian.

Because недостатков is genitive plural.

It depends on the verbal noun устранение:

• устранение чего? = elimination/correction of what?
• недостатков = of defects

Russian verbal nouns often take their object in the genitive, where English would use of or a direct object.

So:

• устранение недостатков
  = correction of defects

Because завершено agrees with устранение, which is a neuter singular noun.

• устранение is neuter
• therefore the short-form predicate is завершено

This is a short-form passive participle used like a predicate, meaning:

• is completed
• has been completed

So:

• устранение недостатков завершено
  = the correction of defects has been completed

Compare the agreement:

• проект завершён — masculine
• работа завершена — feminine
• устранение завершено — neuter
• работы завершены — plural

Russian word order is more flexible than English word order.

Starting with Акт приёмки puts the focus first on the document being discussed. This is very natural in formal or administrative style.

So the sentence structure feels like:

• As for the acceptance certificate, it will be signed...

A more neutral order is also possible:

• Подпишут акт приёмки ввиду того, что устранение недостатков завершено.

But the original version sounds very natural in official writing because it foregrounds the key document.

Yes: the letter ё.

In приёмки, the stress falls on ё:

• при-ЁМ-ки

The letter ё is always stressed. In many printed texts, Russian writers replace ё with е, so you may also see:

• приемки

But it is still pronounced приёмки.

That is useful to know because learners often meet official vocabulary written without ё.