Check list for Tie-in Schedule and Drawings
DRAWING CHECK
Are the following aspects correct
-Title
-Drawing and sheet number
-Drawing format
-North arrow
-Revision number and reason for issue
-Presence of all required signatures
-Reference drawings ( GA’s, ISO, P&ID, etc…..)
-Adequate space available for Hot taps, for installation of Hot tap machine
-Tie-in drawing confirms to tie-in philosophy issued by process department
-IDC comments investigated and incorporated when agreed
Following information completed
-Test-medium and pressure
-Shut down zone
-Examination required
-Type of connection
-Design conditions
-Existing line/Equipment number
-New Line number
-Location of tie-in
-Tie-in phase
-System
-Tie-ins involving dismantling of existing piping supported by isometric showing extent of dismantling
-Tie-in MTO