No adding installation needed vs No additionnal installation needed

Some examples from the web:

• No accommodation or installations needed for vessel safety or operation may be located ahead of the plane of the collision bulkhead.
• fixed installations needed to record and transfer data in connection with the invoicing of the power consumed by electrification systems or electrified lines
• In particular, it concerns assistance to an investment for the acquisition of new equipment and installations needed for the processing and marketing of fishery and aquaculture products between the time of landing and the end product stage.
• Community participation in ITER as a Party will include further contributions to the construction of equipment and installations needed at the ITER site, and to support the project during construction.
• "airport" means any area of land specially adapted for the landing, taking-off and manoeuvres of aircraft, including ancillary installations which these operations may involve for the requirements of aircraft traffic and services including installations needed to assist commercial air services;
• 'airport' means any area of land specially adapted for the landing, taking-off and manoeuvres of aircraft, including ancillary installations which these operations may involve for the requirements of aircraft traffic and services including installations needed to assist commercial air services;
• 'airport' means any area of land especially adapted for the landing, taking-off and manoeuvres of aircraft, including the ancillary installations which these operations may involve for the requirements of aircraft traffic and services including the installations needed to assist commercial air services;

Some examples from the web:

• No accommodation or installations needed for vessel safety or operation may be located ahead of the plane of the collision bulkhead.
• fixed installations needed to record and transfer data in connection with the invoicing of the power consumed by electrification systems or electrified lines
• In particular, it concerns assistance to an investment for the acquisition of new equipment and installations needed for the processing and marketing of fishery and aquaculture products between the time of landing and the end product stage.
• Community participation in ITER as a Party will include further contributions to the construction of equipment and installations needed at the ITER site, and to support the project during construction.
• "airport" means any area of land specially adapted for the landing, taking-off and manoeuvres of aircraft, including ancillary installations which these operations may involve for the requirements of aircraft traffic and services including installations needed to assist commercial air services;
• 'airport' means any area of land specially adapted for the landing, taking-off and manoeuvres of aircraft, including ancillary installations which these operations may involve for the requirements of aircraft traffic and services including installations needed to assist commercial air services;
• 'airport' means any area of land especially adapted for the landing, taking-off and manoeuvres of aircraft, including the ancillary installations which these operations may involve for the requirements of aircraft traffic and services including the installations needed to assist commercial air services;