4. Combined Builder’s Work Drawings (CBWD)
Combined Builder’s Work Drawings are very important to arrange necessary opening, foundation and all related finishing works. Drawings shall be provided using design drawings if working drawings are not available.
Structure related CBWD;
Sleeve drawing for underground beam, super structure drawings.
Floor opening drawings. Structure wall opening and recess drawings.
Special attention shall be paid for puddle flanges for concrete water tank.
Foundation CBWD;
Foundation and plinth drawings show size and height, loading information.
External wall opening CBWD;
External wall opening drawing show required size, position and height.
To clarify the scope of works such as weather hood, grille, filling gap, etc.
Wall opening and recess CBWD;
All openings and recess shall be shown in this drawing for information to finishing team.
CBWD shall be provided by M&E team at least 1 month before related works to start.