[1.5.1b] WHAT IS NONE DISCLOSURE  AGREEMENT (NDA)?
In the construction field, the NDA is an agreement between Employer and Contractor. To this agreement, Employer (Refer to Discloser and Recipient) and Contractor (Refer to Discloser and Recipient) agree 
- to disclose and receive Confidential Information.
- to maintain the Confidential Information in the strictest confidence and will not disclose any of the Confidential Information of the Discloser to any third party without the Discloser's prior written permission. 
- not to make use of the Confidential Information other than for the purpose of evaluating and facilitating the proposed project. 
- not make any public announcement or comment in relation to the Confidential Information or the Purpose, without the prior written consent of the other party. 

Note:
For purposes of this Agreement, “Confidential Information” shall means any data or information used for the purpose of evaluating and feasibility assessment of the proposed Project, whether in tangible form (e.g., in writing or in the form of samples or prototypes) or intangible form (e.g., orally or visually), in whatever medium provided, whether unmodified or modified by the Recipient, whenever and however disclosed, including Information, documents, drawings, software and materials:-
(a) prepared or developed by, through or on behalf of the Employer, and the Consultants for the proposed project and the works; and

(b) disclosed, prepared or otherwise made accessible by the Works whether before, on or after the Tender Submission, Deadline (which term is defined in the Conditions of Tendering) including, but not limited to the Employer‟s proprietary, commercial, technical and operational information, business and marketing plans, trade secrets, know-how, customers, suppliers,studies, reports, analysis, computer programs and programming methods, designs, specifications, plans, drawings, and similar materials, procedures, methods, formulations, facilities, products, affairs, transactions, business connections, databases, research and development and work in progress.