Table 4. Categorisation of issues in...

Table 4.

Categorisation of issues in procurement and management of BSSs based on expert feedback

Issue number	Issues in the procurement and management of BSSs	Criticality of issues			Expert agreement (%)
Issue number	Issues in the procurement and management of BSSs	Major	Moderate	Minor
	IS1: Stakeholder coordination and trust issues
C1	Overinvolvement of stakeholders in the building services process leads to numerous clashes	√			84.2
C2	Difficulty in establishing trust among stakeholders	√			78.9
C3	Difficulty in managing workflow due to a lack of collaboration among parties	√			89.5
C4	Conflicts in contracts	√			87.5
C5	Delays in approvals	√			78.9
	IS2: Regulatory compliance and governance issues
C6	Noncompliance with building practitioner regulations			√	16.7
C7	Lack of adherence to government regulations			√	25
C8	Not complying with quality standards			√	33.3
C9	Lack of transparency in the manufacturing procedure		√		53.8
C10	Clashes between design and specifications		√		58.3
	IS3: Data integrity and transparency issues
C11	Difficulty in exchanging data (e.g. drawings, project info)	√			78.9
C12	Poor decision-making due to inaccurate/lack of information		√		53.8
C13	Inconsistencies between the documentation		√		50
C14	Lack of transparency in working processes	√			77.8
	IS4: Procurement and operational workflow issues
C15	Low quotation-to-order ratio		√		58.3
C16	Long and complicated tendering processes	√			70
C17	Supply risks in procurement	√			75
C18	Large-scale dark purchasing			√	12.5
C19	Risks associated with insurance	√			77.8
C20	Issues with equipment delivery	√			76.9
C21	Issues in service provision		√		50
C22	Warranty leakages		√		50
C23	Lack of proper inspections	√			70
	IS5: Design requirement issues
C24	Unclear conceptual designs		√		53.8
C25	Instantaneous design changes		√		58.3
C26	Unclear client requirements		√		69.2
C27	Sudden changes in the client’s requirements		√		66.7
C28	Incompatibility among design software			√	21.4

Issue number	Issues in the procurement and management of BSSs	Criticality of issues			Expert agreement (%)
Issue number	Issues in the procurement and management of BSSs	Major	Moderate	Minor
	IS1: Stakeholder coordination and trust issues
C1	Overinvolvement of stakeholders in the building services process leads to numerous clashes	√			84.2
C2	Difficulty in establishing trust among stakeholders	√			78.9
C3	Difficulty in managing workflow due to a lack of collaboration among parties	√			89.5
C4	Conflicts in contracts	√			87.5
C5	Delays in approvals	√			78.9
	IS2: Regulatory compliance and governance issues
C6	Noncompliance with building practitioner regulations			√	16.7
C7	Lack of adherence to government regulations			√	25
C8	Not complying with quality standards			√	33.3
C9	Lack of transparency in the manufacturing procedure		√		53.8
C10	Clashes between design and specifications		√		58.3
	IS3: Data integrity and transparency issues
C11	Difficulty in exchanging data (e.g. drawings, project info)	√			78.9
C12	Poor decision-making due to inaccurate/lack of information		√		53.8
C13	Inconsistencies between the documentation		√		50
C14	Lack of transparency in working processes	√			77.8
	IS4: Procurement and operational workflow issues
C15	Low quotation-to-order ratio		√		58.3
C16	Long and complicated tendering processes	√			70
C17	Supply risks in procurement	√			75
C18	Large-scale dark purchasing			√	12.5
C19	Risks associated with insurance	√			77.8
C20	Issues with equipment delivery	√			76.9
C21	Issues in service provision		√		50
C22	Warranty leakages		√		50
C23	Lack of proper inspections	√			70
	IS5: Design requirement issues
C24	Unclear conceptual designs		√		53.8
C25	Instantaneous design changes		√		58.3
C26	Unclear client requirements		√		69.2
C27	Sudden changes in the client’s requirements		√		66.7
C28	Incompatibility among design software			√	21.4

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