CONTENTSPRIVATE

1.SCOPE

2.APPLICABLE PRACTICE

3.DRAFTING METHOD

4.DRAWING

1.

SCOPE

This practice applies to preparation of steam tracing piping.

The master drawing is prepared inclusive of steam tracing piping, this practice shall be apply to the portion of steam tracing piping.

2.

APPLICABLE PRACTICE

(1)PI-DM-001 "Drafting Practice of Piping Drawing (General)"

(2)PI-DM-002 "Drafting Practice of Piping Drawing (Plan and Each Isometric Drawing)"

(3)PI-DM-003 "Drafting Practice of Piping Drawing (Plan and Detail Drawing)"

(4)PI-DM-104 "Drafting Practice of Piping Drawing (Off Site Piping)"

(5)PI-DM-109 "Design Practice for Steam Tracing Arrangement"

3.

DRAFTING METHOD3.1

Drafting Method

Basically, steam tracing piping drawing shall be conform to the master drawing.

3.2

Preparation of Drawing

(1)Plan Drawing

Around the piping of distribution manifold and collection manifold can be drafted on the master drawing.

Example Plan Drawing

(2)Detail Drawing

This is the method to furnish a reproduced copy (in blue color) through the master drawing.

The tracing pipe (heating pipe) shall follow the contour of the piping to be traced pipe on the reproduced drawing.

Example 1 Detail Drawing

Example 2 Detail Drawing

4.

DRAWING4.1

Format and Scale

Basically, shall be used of the same type as that of the master drawing.

4.2

Indication Method

Reference to PI-DM-109.