Dear Amir
According to the revised membrane data as attached, the optimum numbers of membrane for 6 cases have been changed from the previous version. Therefore, the estimated budgetary cost for the membrane system need to be changed accordingly. Please provide estimated budgetary cost for the 2nd scenario i.e. 6 cases based on revised given configuration of no. of membrane, cluster and blank requirement from you as per 2 options following below .
Option 1: Based on Primary membrane 1 train operation as indicated in earlier TET Process datasheet
Option 2: Based on Primary membrane 2 trains operation. Total flowrate in feed/from Primary membrane unit will be double because of operating 2 trains Primary membrane. The number of membrane, cluster and blank of the Secondary membrane requirement might be double also.
However, there are other issues that we need help from you which listed below.
1. Please kindly provide the simulation results of the 2nd scenario for 6 cases based on 1 train operation also. The simulation results usually provide heat and material balance for the streams between membrane and outlet of membrane as presented in the membrane data revision 2. We need the simulation results for 6 cases based on revised given configuration of no. of required membrane, no. of cluster and no. of blank at the specific conditions as per TET Process datasheet also.
2. Regarding the membrane in table as attached, wording in the 3rd table in the 4th column, “Hydrocarbon flow rate recovered by secondary membrane at given flow rate”, we assume this means total non-permeate stream flowrate from the Secondary membrane. Is it correct?
Please note; following items listed shall be included in the budgetary.
1. Blanks cost (Primary and secondary membrane)
2. Accessories need to be installed with blanks
3. Per Diem rate for Site supervision for installation and testing at Offshore SITE
4. Spare parts, if required.
5. Documentation (calculation, data sheet, drawing, installation procedure, etc.)
6. Guarantee and warrantee
7. Modification cost, if required
8. Etc., if required