1. Standard Specification

-The source of the standard specification has been identified & agreed with Client.
-Where standard specification is to be modified, addendum has been generated, reviewed & approved.

2. New Specification

-Format reviewed, Scope identified.
-Code, Standards, References listed.
-Design & Technical references identified.
-Material requirements identified.
-Fabrication requirements identified.
-Coating requirements identified.
-Quality Assurance (QA) requirements identified for Suppliers.
-Inspection & testing  (QC) requirements identified.
-Supplier documentation requirements identified and/or SDRL completed.
-System data sheets completed/attached.
-Verify that analytical calculations are contained in a calculation book per company procedures.
-Drawings completed, attached or referenced.
-Owner furnished item list included.
-Equipment Supplier data identified.
-Identify Health, Safety and Environmental requirements.
-Comments to previous revisions incorporated.
-Verify AFD design changes have been logged in the Change Register.
-Verify AFD hazard review and change HAZID have been completed.

3. Document Format

-Verify document title sheet & headers have correct information: Document Number, name, revision
-Verify format conforms to Company format requirements.

Are the following aspect correct:

-Title
-Drawing and sheet number
-Drawing format
-North arrow
-Revision number and reason for issue
-Scale
-Presence of all required signatures
-Key Plan
-Reference drawings ( Plot Plans, GA’s, etc…)
-Matchline shown with continuation drawing numbers
-Steel grid reference
-Equipment shown to the correct size and location
-Pipe Support Identification
-Equipment Nozzle schedule and nozzle data
-Piping 2” and larger shown with line number and flow arrows
-Location and identification of instruments
-Dimensions
-Fire walls and cladding
-Primary Steelwork
-Bulkheads
-Escape route and main access ways
-Adequate location of nozzles on vessels for maintenance, access of piping and instruments in line with the Process and Vessel Sketches
-Adequate accessibility of operation and maintenance and that manholes, hatches, covers, drop-out, laydown and handling areas etc. have been provided
-Adequate clearance between piping and steelwork, doors, windows, HVAC ducts, equipment, cable trays, control consoles and fire fighting equipment
-Stress isometrics have been drawn for all critical lines and comments (if any) from stress engineer have been incorporated
-Sections correctly cross-referenced to plans
-Special piping items are correctly labelled
-Hook-up spools are correctly indicated and limits dimensioned
-The following items are cross referenced with the piping standard drawings: Process vents and drains, instrument connections, utility hose stations, sample points
-Compatibility with latest issue of other discipline drawings i.e. Structure, electrical, Instrumentation, etc….
-IDC comments investigated and incorporated when agreed
-COMPANY comments investigated and included where agreed
-Comments from “Master” drawing included
-Completion of  “Hold” list

-Verify document cover sheet and headers have correct document number, document name, and revision per project document register.
-Verify format conforms to the most recent revision of Company internal standards for formatting & content.
-Verify correct contents formatting and numbering (including logos, company names and project number & description, page numbers).
-Verify document content against Table of Contents.
-Verify diagrams are legible and referenced correctly.
-Verify Tables are legible and complete and referenced correctly.
-Verify referenced documents included in reference section.
-Verify attachments/appendices identified accurately.
-Verify signature block completed by designated personnel ( Note: Originator & Checker cannot be same person); If Client signature is not required , enter “NA” in space).

2.Technical Content

-Contractual, regulatory requirements have been met.
-Verify applicable Engineering QA/QC Checklists have been completed and approved.
-Verify design review completed and documented.
-Verify that analytical calculations are contained in a calculation book per company procedures.
-Verify all comments have been incorporated.
-Verify AFD design changes have been logged in the Change Register.
-Verify AFD hazard review and change HAZID have been completed.
-Other:

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

-Approved Scope of Work is provided.
-The Scope of Work has been reviewed by PM, PjE and LE.
-The Client has provided Design Basis document(s).
-The Client has provided Standards Specifications
-The Client has provided Data Sheets.
-The Client has provided Drawings.
-The Client has provided a list of applicable industry standards.
-Regulatory requirements are identified.
-Statutory requirements are identified.
-Verify that analytical calculations are contained in a calculation book per company procedures.
-Verify AFD design changes have been logged in the Change Register.
-Verify AFD hazard review and change HAZID have been completed.

-Verify that the drawing information is sufficient for the issue purpose.
-Verify that the drawing drafting check has been performed i.e. checklist has been completed and signed off
-Verify that drawing information meets required regulatory and classification codes, rules, and regulations.
-Verify drawing meets contract requirements.
-Verify concurrence with design requirements.
-Verify that critical dimensions are correct.
-Verify that interface data is correctly represented and identified.
-Verify that information is consistent with analytical calculations.
-Verify that analytical calculations are contained in a calculation book per company procedures.
-Verify that all comments have been incorporated.
-Verify all revisions are correctly identified per procedure.
-Verify references (drawings, specifications, codes) identified and accurate.
-Verify welding details are called out or referenced.
-Verify materials are specified or referenced.
-Verify that NDE and other testing are specified or referenced.
-Verify that the approval dates have been added for AFC drawings.
-Verify that notes are correct and appropriate.
-Verify AFD design changes have been logged in the Change Register
-Verify AFD hazard review and change HAZID have been completed.
-Verify P.E. Stamping requirements.
-Other

Are the following aspect correct:

1. INPUT DATA

a. Conformance with Isometrics

-Pipe Diameter
-Piping Class ( including Class breaks )
-Dimensions
-Support Locations
-Rigid Weights
-Major connecting lines considered

b. Conformance with Line List

-Line Number
-Piping Class and Material of Construction
-Design Temperature
-Design Pressure
-Test medium / pressure

c. Conformance with Piping Class

-Material
-Thickness
-Corrosion Allowance
-Allowable Stress
-Applicable Codes

d. Environmental Data

-Wind Data
-Seismic Data

e. Dynamic Loading Data

2. OUTPUT DATA

-Restraint Loads: Within acceptable limits (as accepted by Civil/Structural )
-Displacements: Within allowable limits
-Stresses: Within allowable limits
-Nozzle Loads: Within allowable limits
-All Load cases considered
-Spring hanger / Spring selection
-Applicable Vendor Catalogue information
-Confirmation of Supports / Restraint location and type ( feasibility ) from Design Group

Are the following aspect correct:

-Title
-Drawing and sheet number
-Drawing format
-North arrow
-Revision number and reason for issue
-Scale
-Presence of all required signatures
-Key Plan
-Reference drawings ( Plot Plans, GA’s, etc…)
-Matchline shown with continuation drawing numbers
-Steel grid reference
-Equipment shown to the correct size and location
-Pipe Support Identification
-Equipment Nozzle schedule and nozzle data
-Piping 2” and larger shown with line number and flow arrows
-Location and identification of instruments
-Dimensions
-Fire walls and cladding
-Primary Steelwork
-Bulkheads
-Escape route and main access ways
-Adequate location of nozzles on vessels for maintenance, access of piping and instruments in line with the Process and Vessel Sketches
-Adequate accessibility of operation and maintenance and that manholes, hatches, covers, drop-out, laydown and handling areas etc. have been provided
-Adequate clearance between piping and steelwork, doors, windows, HVAC ducts, equipment, cable trays, control consoles and fire fighting equipment
-Stress isometrics have been drawn for all critical lines and comments (if any) from stress engineer have been incorporated
-Sections correctly cross-referenced to plans
-Special piping items are correctly labelled
-Hook-up spools are correctly indicated and limits dimensioned
-The following items are cross referenced with the piping standard drawings: Process vents and drains, instrument connections, utility hose stations, sample points
-Compatibility with latest issue of other discipline drawings i.e. Structure, electrical, Instrumentation, etc….
-IDC comments investigated and incorporated when agreed
-COMPANY comments investigated and included where agreed
-Comments from “Master” drawing included
-Completion of  “Hold” list

Are the following aspect correct:

1. Title
2. Drawing and sheet number
3. Drawing format
4. North arrow ( Plant/ True )
5. Revision number and reason for issue
6. Scale
7. Presence of all required signatures
8. Key Plan
9. Reference drawings ( P&ID, GA’s, etc…)
10.Sections correctly cross-referenced to plans
11.Steel grid references
12.Levels Designation (Cellar Deck, Lower Deck, etc…..)
13.Equipment Identification and Schedule (Tag No., Designation & sizes)
14.Equipment shown to the correct size
15.Battery Limits and Boundaries
16.COMPANY comments investigated and included where agreed
17.Comments from “Master” drawing included
18.Completion of “Hold” list
19.IDC Comments investigated & incorporated when agreed
20.Tank farm, Process area, Utility area, Buildings, Platforms, Equipment, Piperacks and Roads shown to the correct location and orientation based on the following operating safety and maintenance considerations/factors

-Process and Economic Piping
-Access to and clearance around Equipment/ Buildings
-Client specifications, standards and requirements
-Plant bench marks and grade
-Access from adjacent units ( Existing / New )
-Distance from existing facilities
-Noise Pollution
-Minimum safety inter-unit spacing requirements
-Drainage and Grade sloping
-Escape routes (Headroom and clearance)
-Access for fire fighting
-Fire and Explosion protection
-Limits of Plating/Grating
-Prevailing wind direction
-Exclusion zones/Hazardous areas
-Laydown and Dismantling areas
-Loading and Unloading areas
-Hatches
-Lifting Equipment
-Emergency shutdown valves location

Are the following aspect correct:

1. Title
2. Drawing and sheet number
3. Drawing format
4. North arrow
5. Revision number and reason for issue
6. Presence of all required signatures
7. Reference drawings ( P&ID’s, GA’s, etc…)
8. Following information completed

-Heat tracing and insulation requirements
-Inspection requirements
-Design conditions
-Test pressure and type
-Stress analysis note number
-Paint system / code
-Line numbers and flow arrows
-Dimensions and elevations (at both ends )
-All valves and handwheel orientation
-Sloping lines to have direction of fall and work point elevations
-Instrument tag numbers
-Inline equipment
-Sectional view of orifice taps to indicate orientation
-Connecting nozzle to equipment
-Isometric complies to P&ID latest revision No.
-Continuation isometric data

9. Inline instrumentation ( TT, PI …)
10.Dimensions of “items” as per vendor drawings
11.Reinforcing pads indicated
12.Orientation of tapping points as per instrument hook-up drawings
13.Bill of material complete
14.Pipe supports
15.Sufficient dimensioning to enable bolting removal

-Sufficient dimensioning to enable spools to be fabricated
-Hook-ups limits indicated
-Hydrotest vents and drain points
-Out of spec. items labelled and break class indicated
-Line list
-Routing checked against structural steel, mechanical, safety, HVAC, electrical and instrument drawings
-“HOLD” list completed
-Reference location indicated