V-WIS042 Work Inspection Sheet - Single Ply Roofing

Check proposed Subcontractor is an approved installer for the system proposed (Checked by Sub-Contractor)

Check proposed Subcontractor is an approved installer for the system proposed (Checked by Ventry)

Check Subcontractor's proposals fully comply with the specifications and the manufacturer's literature (Checked by Sub-Contractor)

Check Subcontractor's proposals fully comply with the specifications and the manufacturer's literature (Checked by Ventry)

Check risk assessment and method statement have been submitted and are agreed (Checked by Sub-Contractor)

Check risk assessment and method statement have been submitted and are agreed (Checked by Ventry)

Check any required "specials" have been identified and will be provided by the Subcontractor (Checked by Sub-Contractor)

Check any required "specials" have been identified and will be provided by the Subcontractor (Checked by Ventry)

Check that no compatibility problems exist at interfaces (Checked by Sub-Contractor)

Check that no compatibility problems exist at interfaces (Checked by Ventry)

Ensure that there will be no significant following trades trafficking the roof (Checked by Sub-Contractor)

Ensure that there will be no significant following trades trafficking the roof (Checked by Ventry)

Obtain an on site copy of manufacturer's installation details (Checked by Sub-Contractor)

Obtain an on site copy of manufacturer's installation details (Checked by Ventry)

Confirm wind calculations and fixing centres approved (Checked by Sub-Contractor)

Confirm wind calculations and fixing centres approved (Checked by Ventry)

Confirm all details (flashings, upstands, gulleys, walkways etc.) are finished (Checked by Sub-Contractor)

Confirm all details (flashings, upstands, gulleys, walkways etc.) are finished (Checked by Ventry)

Check access and egress to work face for operatives and materials is safe (Checked by Sub-Contractor)

Check access and egress to work face for operatives and materials is safe (Checked by Ventry)

Check structure can sustain temporary point loads during installation (Checked by Sub-Contractor)

Check structure can sustain temporary point loads during installation (Checked by Ventry)

Check roofers are using proper tools and wearing the appropriate footwear (Checked by Sub-Contractor)

Check roofers are using proper tools and wearing the appropriate footwear (Checked by Ventry)

Check installation is in accordance with the manufacturer's literature (Checked by Sub-Contractor)

Check installation is in accordance with the manufacturer's literature (Checked by Ventry)

Check all materials are bonded, partially bonded or seperated as per specifications and literature (Checked by Sub-Contractor)

Check all materials are bonded, partially bonded or seperated as per specifications and literature (Checked by Ventry)

Ensure vapour check is undamaged, sealed at laps and penetrations and is continuous (Checked by Sub-Contractor)

Ensure vapour check is undamaged, sealed at laps and penetrations and is continuous (Checked by Ventry)

Check insulation is continuous and dry (Checked by Sub-Contractor)

Check insulation is continuous and dry (Checked by Ventry)

Check all fixings installed are approved and in accordance with details (Checked by Sub-Contractor)

Check all fixings installed are approved and in accordance with details (Checked by Ventry)

Check width and bonding of all laps on membrane installation (Checked by Sub-Contractor)

Check width and bonding of all laps on membrane installation (Checked by Ventry)

Check flashings are correctly installed and lapped beneath any associated walling DPC's (Checked by Sub-Contractor)

Check flashings are correctly installed and lapped beneath any associated walling DPC's (Checked by Ventry)

Check completed membrane is left clean and undamaged (Checked by Sub-Contractor)

Check completed membrane is left clean and undamaged (Checked by Ventry)

Hose/water test any critical areas e.g: flashings, roof penetrations, valley gutters (Checked by Sub-Contractor)

Hose/water test any critical areas e.g: flashings, roof penetrations, valley gutters (Checked by Ventry)

Ensure finished installation is protected from foot traffic which may puncture membrane (Checked by Sub-Contractor)

Ensure finished installation is protected from foot traffic which may puncture membrane (Checked by Ventry)

Ensure manufacturer's warranty is obtained (Checked by Sub-Contractor)

Ensure manufacturer's warranty is obtained (Checked by Ventry)

Drainage outlets have specified grating (Checked by Sub-Contractor)

Drainage outlets have specified grating (Checked by Ventry)