We have been asked to make a decision if we want to install an irrigation system with 30 sprinkler heads now or not. Could you all provide some perspective?CONTRACTOR shall stake out the irrigation system. Items staked include sprinklers, pipe, control valves, manual drains, pumping plant, controller, and. Contractor with no less than five (5) years of experience installing irrigation systems, similar to the scope and complexity of this project, with documented. The Contractor shall do all work that may be required to complete the work contemplated at the unit prices or lump sum to be agreed upon. The irrigation system shown in the contract is diagrammatic only.