Optimize & Merge MSSQL Stored Procedures

I need an expert in MSSQL to optimize two stored procedures for faster execution and merge the results into a single table. This new table should include only specific columns from the original stored procedures.

Specific Requirements:
- Optimize both stored procedures for faster execution
- Merge the results into a single table
- Include only specific columns from both stored procedures

Skills:
- Proficiency in MSSQL
- Experience with stored procedure optimization
- Strong data manipulation skills

Please provide your insights on how you plan to execute this project and the estimated time frame for completion.