However, there are benefits to be gained from this situation as well. Since funds have already been allocated for construction work, especially if the object is budgetary, the Customer can go to a meeting and spend the saved funds on other work that is necessary or on the purchase of any equipment with its installation, within the freed amount of within the framework of the contract already concluded with you, if it does not contain any prohibitions on this. As a rule, the amount of changes under government contracts cannot exceed 10% of the estimated cost.
2. Errors in the types of work
The second group of mistakes is when they forget to accidentally add some types of work to the estimate. Sometimes such errors violate the technological sequence of work as a whole, which can also lead to losses.
Examples:
We had a facility where work was to be done to strengthen the wall by installing buttresses. Their technological sequence was as follows: earthworks (clearing the work site from the ground, digging pits with an excavator and manually to a depth of 2.5 m), laying footings, installing metal frames and formwork, pouring them with concrete, backfilling pits, compacting soil. So, in the estimate, the very initial earthworks in the amount of approximately 300 cubic meters were completely absent .
You must mount any equipment in the building. But the dimensions of this equipment exceed any maximum openings in the walls; accordingly, it may be physically impossible to bring this equipment inside without temporarily dismantling sections of the walls to increase the openings in them. Not every designer or estimator can foresee such things. Therefore, inspect the place of work before performing work or concluding a contract.
The worst thing is when you have already appointed people, hired equipment and started work, and only then found out everything, because the customer, especially if it is a state customer, may simply not have extra money that he can allocate to complete the data works and all attempts to humanly resolve this issue may lead nowhere . Sue him or incur losses, but do the work, or terminate the contract – this decision is up to you.
In any case, remember that all hidden work must be recorded in acts, and if you completed work today that was not included in the estimate, just so as not to stop all construction or some part of it, then the absence of acts of hidden work, protocols for considering these commission issues, etc. will complicate your situation if you decide to prove your case in court or in any other way to resolve this issue.