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It also causes water bleeding at the surface of concrete slabs or rafts (with a dusty surface left after water evaporation). For all the afore mentioned reasons, it is strictly forbidden to add extra water to a ready-mix concrete truck when the delivery time is exceeded, and the concrete becomes difficult to pour because it starts to set. Such ...
In the United States the American Water Works Association's (AWWA) Water Loss Control Committee recommended in 2009 that water utilities conduct annual water audits as a standard business practice. AWWA recommends that water utilities should track volumes of apparent and real losses and the annual cost impacts of these losses.
The Completed-contract method is an accounting method of work-in-progress evaluation, for recording long-term contracts. GAAP allows another method of revenue recognition for long-term construction contracts, the percentage-of-completion method. With this method, revenue is recognized when the contract is fulfilled.
A cost plus contract states that a client agrees to reimburse a construction company for building expenses such as labor, materials, and other costs, plus additional payment usually stated as a percentage of the contract's full price. This type of construction contract is an alternative to lump sum agreements.
The friction loss is customarily given as pressure loss for a given duct length, Δp / L, in units of (US) inches of water for 100 feet or (SI) kg / m 2 / s 2. For specific choices of duct material, and assuming air at standard temperature and pressure (STP), standard charts can be used to calculate the expected friction loss.
Obtaining construction loans are easier with this type of contract. [9] [8] The profit margins and percentages are greater for engineers and contractors. [8] [9] Payments and instalments are made on regular basis which provides the contractor with a reliable cash flow. [8] [9] Management of the contract is a lot easier for the owner. [8] [9]
Depending upon the language in the bid proposal, a subcontracting construction company could make its bid final, and, if accepted, a legally enforceable contract is created. In these circumstances, upon determination by the general contractor that a bid is the lowest offer, it can accept the bid and, upon acceptance, a subcontractor cannot ...
The NEC contracts now form a suite of contracts, with NEC being the brand name for the "family" of contracts. [16] When it was first launched in 1993, it was simply the "New Engineering Contract". This specific contract has been renamed the "Engineering and Construction Contract" which is the main contract used for any construction based project.