THIS CONTRACT for Consultant services is between Clark Regional Wastewater District. PROFESSIONAL SERVICES. Introduction.Consultant warrants that all professional services performed under the Agreement shall be provided in a professional and workmanlike manner. A plain language, highly structured agreement for professional services. Use for single or multi-project engagements with or without deliverables. How do I fill this out? To fill out this document, first gather all required information such as your company details and insurance information. The Contractor shall provide to Clark County prior to the term of this.