Combined Contract Schedules for Construction and Professional Services Contracts. To use the latest web form version please click on this link.Independent Contractor Guidelines. When contracting with an individual for services, the District must establish the nature of the employment relationship. You can locate Sample Contract Agreements on this page. Documents Sample Construction Agreement (PDF) Sample agreement to be used as a template. Schedule M – (Independent Contractor Questionnaire) – PART A: TO BE COMPLETED BY PROPOSED CONTRACTOR. Changes: Contractor shall make no changes in the work or perform any additional work without County's specific written approval. 44.50. Approve and authorize the Purchasing Agent to execute a contract, attached hereto, for Master Contract. No. 901502, Procurement Contract No.