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By Procore Editorial staff
May 22, 2017
Errors in construction budgeting have been around as long as people have been putting up buildings, and as the built environment continues to grow, so does the difficulty of accurately forecasting costs.
In 1914, the Panama Canal came in ahead of schedule and some $23 million under budget; an owner’s daydream. But more often, the error goes the other way. It’s not uncommon for an imaginative architect’s high-flying vision to wow the stakeholders so much so, that all common sense is set aside.
The Scottish parliament building may be the most striking example of a grand scale architectural miscalculation. Holyrood, as the building is known, was projected to cost $58 million in 1997 when it was approved. By 2007 it had come in at $608 million. In that case, poor and hurried planning were to blame. Client tinkering and self-deluding optimism, however, are also common reasons large scale projects run off the budget rails.
There are many reasons for budget overruns in construction. Here are some of the least predictable.
Doomed from the start.
What may at first look like a budget shortfall is often the result of someone making an overly optimistic bid in order to land the job. The phenomenon hasthe dark industry nickname “suicide bidding”, but you can also call it “optimism bias” where it stems from the bidder’s positive outlook.
In the CIOB’s 2010 survey, “Procurement in the ConstructionIndustry,” 82% of respondents reported to believing there are contractors who engage in “suicide bidding” within the industry.
In other words, if the bid sounds a wee bit too good to be true – well, you know the rest.
And speaking of the Panama Canal; in 2014 a large-scale expansion of the iconic waterway was found to be running about $1 billion over the bid figure of $3.12billion. The contractor, Spanish consortium Grupo Unidos por El Canal (GUPC),quickly blamed “flawed geologic studies” done by the semi-government officePanama Canal Authority (PCA), an accusation that was immediately rebuffed by the PCA. A Panamanian government source, meanwhile, said that immediately upon winning the hard-fought bid, GUPC had been openly saying the figure couldn’t possibly be met, a bold confession that didn’t trouble the Panamanian government, who felt they were protected by the bid contract. It also developed that the financially ailing GUPC had internally assured stakeholders that they would be able to raise the pricing in later negotiations with PCA-head Jorge Quijano. Mr. Quijano, in the event, could not be budged.
In the intervening two years, the Dispute Adjudication Board (DAB) has found in favor of GUPC over the Panamanian PCA, as clauses in the original contract placed the burden of maintaining “financial equilibrium” with the Panamanian government; something they have been reluctant to do given the scale of the overruns. Cost overruns are fairly routine in grand scale engineering projects of this kind, and contracts typically codify that understanding in the contract language.
Be wary of the surprisingly low bid. The technical approach to a subcontracted job follows professionally agreed-upon norms in the industry. A bid that comes in substantially lower than the nearest competitive bid for the same job is either deceptive, is genuinely uninformed about what the job elements are, or comes from an unlicensed contractor who is passing along payroll savings to you through a sweetheart bid. Your attempt to leverage promised savings from an attractively low bid may in fact be locking in a contract with an opportunist who will blow out your budget.
The building is your owner’s baby, and we all know how parents can be.
An owner’s obligation to allow the contractor to“carry out the work” is explicit in most contracts, and goes to legally preventing an owner from worrying a project right over the budget line. Owner indecision and fidgeting over materials and features (even as a project is moving forward) can play absolute hell with the budget.
The lesson here? If at all possible, get the client/owner to commit to finishes,ornamental flourishes, and cosmetic options early on, as these aesthetic considerations are what most often drive an owner to step in and meddle.
Consider providing a photographic range of options so that even if the owner begins to drift, you have a sense of where the design is going, and can estimate against a known range of possibilities.
The two explicit contractual principles that fundamentally govern the owner/contractor relationship are:
When these two principles are found by a judge to be competing principles in a dispute, often the court will limit the owner’s right to direct the work where that direction takes the form of nuisance interfering.
In Arcadis’ 2015 Global Construction DisputesReport, “errors and/or omissions in the contract document” was the number one cause of disputes in U.S. construction industry projects. In addition to“differing site conditions” coming in at number two,“failure to comply with contractual obligations,” “failure to properly administer the contract,” and “poorly drafted or incomplete and unsubstantiated claims”rounded out the top five causes of disputes. It’s always recommended that discussions and agreements between owner and contractor work these issues through before setting pen to contract.
Not your typical Disneyland adventure.
Steel, concrete, and copper; these familiar materials are central to most building projects, and are often subject to price fluctuations that can really beat up a budget. According to the 2016 Global Occupier Survey from CBRE Group, Inc.,after a 1.8% year-over-year increase in 2016, average total construction costs in the U.S. have risen at an average rate of 2.3% since January 2011, accounting for a11.8% cumulative rise in costs during that time period. The main factor in the rise of construction costs? The prices of materials.
Much of the price volatility of these basic building ingredients can be linked to the impact on raw construction materials of China’s massive construction boom, as well as the construction that is accompanying the emergence of developing countries around the world. A sound estimate needs to anticipate some fluctuation in the cost of construction materials and build those margins in,where possible.
You can only know so much.
A budget is also, in a sense, just a snapshot of a moment in the constantly evolving cost matrix of a project. Budgeting is accurate to the degree the trained estimator is able to fold the “unknowns” into the mix. Knowing where the hidden pitfalls are in the budgeting process can help meet the goal of building a budget that will keep the project on track with minimum surprises.
Download the rest of the free eBook, "Master Your Budget, Protect Your Profit Margins" to discover more about the hidden hazards of budgeting your construction project.
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