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TMV Commissioning Report

Thermostatic Mixing Valve Commissioning / Maintenance Report

Gas Testing & Purging

Non-Domestic Gas Testing and Purging Certificate

Please complete the following required fields:

Site Details

Client *

Site *

Thermostatic Mixing Valve Information

Make *

Model No *

Serial No

Size (mm)

Valve No

Location of Valve in Building *

Number of outlets served by this valve:

Baths

Basins

Showers

Sinks

Other

If Other, Specify

Mixing Valves installed in compliance with requirements of: *

A. Drawings and Specifications

Yes No

B. Manufacturer / Supplier Installation Instructions

Yes No

C. Relevant Code of Practice for TMV's

Yes No

D. Local Water Authority / WRAS Standards

Yes No

If No, provide the reason and the action taken

Test Results

Work carried out during this site visit:

Thermostatic Element Replaced Full Replacement Serviced Non-return Valves Checked Temperature Set

Valve Considered Satisfactory for Use: *

Fail Safe Performance: *

Temperature of Water Supply *

Hot °C

Cold °C

Temperature of Water at TMV Outlet *

°C

Installation & Service Information

Date of Installation

Valve Installed By

Date of Commissioning

Valve Commissioned By

Date of Service

Valve Serviced By

Next Service Date

Comments on the Installation

Engineer Signature

Engineer's Full Name *

Date *

It is hereby certified that all commissioning work has been carried out by the undersigned in accordance with the relevant British Standards (BS 7942 / BS EN 1111) requirements for Thermostatic Mixing Valves.

Company / Installer

Engineer *

Gas Safe Reg No *

ID Card No

Job Address

Name *

Address *

Post Code

Tel No

Client / Landlord

Name

Company

Address

Post Code

Tel No

Strength Test Details

State Test Method

Pneumatic Hydrostatic

Installation

New New Extension Existing

Components not suitable for strength testing removed/isolated?

Yes No

Calculated STP (mbar)

Test Medium

Stabilisation Period (mins)

Strength Test Duration (mins)

Permitted Pressure Drop (% STP)

Calculated Pressure Drop (mbar)

Findings

Actual Pressure Drop (mbar)

STRENGTH TEST: *

Tightness Test Details

Gas Type

Natural Gas Liquefied Petroleum Gas

Installation

New New Extension Existing

Could weather or changes in temperature affect the test?

Yes No

Meter Type

Meter Model

Meter bypass installed

Yes No

Installation Volume

Gas Meter (m³)

Pipework & Fittings (m³)

Total IV (m³)

Test Medium

Fuel Gas Air

Tightness Test Pressure TTP (mbar)

Pressure Gauge Type

MPLR / MAPD

Let-by Test Period (mins)

Stabilisation Period (mins)

Tightness Test Duration TTD (mins)

Any inadequately ventilated areas to check?

Yes No

Is barometric pressure correction necessary?

Yes No

Findings

Actual Leak Rate (m³/hr)

Actual Pressure Drop (mbar)

Have inadequately ventilated areas been checked?

Yes No

TIGHTNESS TEST: *

Purging Procedure Details

Has a risk assessment been carried out?

Yes No

Has a written procedure for the purge been prepared?

Yes No N/A

'NO SMOKING' signs displayed Persons in vicinity advised Valves to/from section labeled Nitrogen cylinders checked/verified Electrical bands fitted Gas detector intrinsically safe

Are two way radios (intrinsically safe) available?

Yes No

Calculate Purge Volume

Gas Meter (m³)

Pipework & Fittings (m³)

Total Purge Volume (m³)

Findings

Final Test Criteria Readings (GIA%)

PURGE: *

Indicate Work Undertaken

Strength Test Tightness Test Purge

Declaration

DECLARATION OF GAS SAFETY — I confirm that all work has been satisfactorily completed in accordance with current Gas Safety (Installation and Use) Regulations, industry standards and procedures.

Safe

NOTIFICATION OF UNSAFE INSTALLATION — Work completed as above, however an unsafe gas installation has been identified (details on separate Warning/Advice Notice).

DTA Electrical Mechanical

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TMV Commissioning Report

Gas Testing & Purging

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