SSOT v3.7 · Project Reference · Acoustic Design Basis

Contractor Responsibility Matrix

Indicative RACI allocation for procurement, installation, inspection, and commissioning scope. Use this matrix during tender alignment and trade coordination meetings. Final responsibility remains subject to executed contracts.

Format

RACI

Purpose

Trade clarity

Acoustic Scope

W3–W7 + doors + treatment

Status

Indicative only

RACI Assignment Table

Indicative Allocation

Item	Owner	General Contractor	Acoustic Contractor	MEP Contractor	AV Contractor	Consultant
Structural verification	A	I	I	I	I	R
Sylomer supply	A	I	R	I	I	C
Wall framing W3–W7	I	I	R	I	I	C
Green Glue application	I	I	R	I	I	C
RSIC-1 clips	I	I	R	I	I	C
Conduit sleeves through walls	I	I	C	R	I	C
Annular gap sealing	I	I	R	C	I	C
Silencer supply	A	I	I	R	I	C
Silencer installation	I	I	C	R	I	C
Acoustic ceiling grid	I	I	R	I	I	I
Ceiling tiles	A	I	R	I	I	C
Plenum barriers	I	I	R	I	I	C
Acoustic door supply	A	I	R	I	I	C
Acoustic door installation	I	I	R	I	I	C
Absorption panels	A	I	R	I	I	C
Bass traps	A	I	R	I	I	C
QRD diffusers	A	I	R	I	I	C
Studio equipment rack	A	I	I	I	R	I
Control room desk	A	R	I	I	I	I
Cable termination	I	I	I	I	R	I
RT60 commissioning	A	I	I	I	I	R
NC commissioning	A	I	I	I	I	R
Final certificate	A	I	I	I	I	R

Legend and Notes

RACI Key

R Responsible

Executes the task and carries the day-to-day delivery obligation.

A Approves

Owns the final decision, funding release, or acceptance authority.

C Consult

Provides design or technical input before installation or approval.

I Informed

Receives progress updates and sign-off records after decisions are made.

Indicative only, subject to contract. Procurement responsibilities must be reconciled with commercial packages before purchase orders are released.