It is the District’s intent and the purpose of these specifications to secure licensed underground utility contractors on an as needed basis for low pressure sewer system construction services. All work shall be in compliance with the solicitation documents, the Loxahatchee River District Manual of Minimum Construction Standards and Technical Specifications (refer to Exhibit A included herein), all applicable local, state and Federal laws and regulations including the Occupational Safety and Health Act Administration (OSHA), including all costs of permits and cost of regulatory compliance. Additionally, this contract includes as-needed on-call or emergency services that will utilize the labor and equipment rates included in this contract with a 1.5 multiplier for labor and equipment only. Materials and sub-contractor work shall be paid on cost plus 15% mark-up basis for all work items.