N.Y. Comp. Codes R. & Regs. tit. 16, § 87.4
(a) The applicant shall submit a flow diagram showing daily design capacity reflecting operating conditions with only existing facilities in operation, and a flow diagram showing daily design capacity and reflecting operating conditions with both proposed and existing facilities in operation. For the portion of the system affected, both flow diagrams shall include:
(9) for each proposed new compressor station and existing station:
(10) the pressure and volumes of gas at: