Gas Safety (Management) Regulations 1996

Regulation 3(1)

SCHEDULE 1 E+W+S PARTICULARS TO BE INCLUDED IN SAFETY CASE OF A PERSON CONVEYING GAS

General E+W+S

1.  Name and address of the person preparing the safety case (in this Schedule referred to as “the duty holder”).

Commencement Information

I1 Sch. 1 para. 1 in force at 1.4.1996, see reg. 1

2.  A description of the operation intended to be undertaken by the duty holder. E+W+S

Commencement Information

I2 Sch. 1 para. 2 in force at 1.4.1996, see reg. 1

3.  A general description of the plant and premises the duty holder intends to use in connection with the operation including, in particular, the geographical location where any pipes he uses joins pipes used by other persons for conveying gas. E+W+S

Commencement Information

I3 Sch. 1 para. 3 in force at 1.4.1996, see reg. 1

4.  Particulars of any— E+W+S

(a) technical specifications;

(b) procedures or arrangements relating to operation and maintenance,

which the duty holder intends to follow in connection with the operation he intends to undertake insofar as they affect the health and safety of persons.

Commencement Information

I4 Sch. 1 para. 4 in force at 1.4.1996, see reg. 1

Safety management E+W+S

5.  A statement of the significant findings of the risk assessment he has made pursuant to [F1 regulation 3 of the Management of Health and Safety at Work Regulations 1999, and particulars of the arrangements he has made in accordance with regulation 5(1) thereof.]

Textual Amendments

F1 Words in Sch. 1 para. 5 substituted (29.12.1999) by The Management of Health and Safety at Work Regulations 1999 (S.I. 1999/3242), reg. 1(1), Sch. 2 (with regs. 2(1), 30)

Commencement Information

I5 Sch. 1 para. 5 in force at 1.4.1996, see reg. 1

6.  Particulars to demonstrate that the management system of the duty holder is adequate to ensure that the relevant statutory provisions will (in respect of matters within his control) be complied with in relation to the operation he intends to undertake. E+W+S

Commencement Information

I6 Sch. 1 para. 6 in force at 1.4.1996, see reg. 1

7.  Particulars to demonstrate that the duty holder has established adequate arrangements for ensuring the competence of his employees in health and safety matters. E+W+S

Commencement Information

I7 Sch. 1 para. 7 in force at 1.4.1996, see reg. 1

8.  Particulars to demonstrate that the duty holder has established adequate arrangements for managing work carried out by persons who are not his employees on or in relation to plant or premises which he owns or controls. E+W+S

Commencement Information

I8 Sch. 1 para. 8 in force at 1.4.1996, see reg. 1

9.  Particulars to demonstrate that the duty holder has established adequate arrangements for passing information relevant to health and safety to persons within his undertaking. E+W+S

Commencement Information

I9 Sch. 1 para. 9 in force at 1.4.1996, see reg. 1

10.  Particulars to demonstrate that the duty holder has established adequate arrangements for passing and receiving information relevant to health and safety to and from other persons who have duties under these Regulations. E+W+S

Commencement Information

I10 Sch. 1 para. 10 in force at 1.4.1996, see reg. 1

11.  Particulars to demonstrate that the duty holder has established adequate arrangements for audit and the making of any necessary reports. E+W+S

Commencement Information

I11 Sch. 1 para. 11 in force at 1.4.1996, see reg. 1

Co-operation E+W+S

12.  Particulars of the arrangements the duty holder has established to enable him to comply with regulation 6 (co-operation) including (except where he is the network emergency co-ordinator [F2 or the emergency reporting service provider for the network]) particulars of the arrangements he has established to ensure that any directions given to him by the network emergency co-ordinator [F2 or the emergency reporting service provider for the network] are followed.

Textual Amendments

F2 Words in Sch. 1 para. 12 inserted (6.4.2023) by The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 12

Commencement Information

I12 Sch. 1 para. 12 in force at 1.4.1996, see reg. 1

Gas escapes and investigations E+W+S

13.  Particulars of the arrangements—

(a) the duty holder and any emergency service provider appointed by him have established to enable him or the provider, as the case may be, to comply with regulation 7(4) to (6);

(b) the duty holder has established to appoint emergency service providers.

Commencement Information

I13 Sch. 1 para. 13 in force at 1.4.1996, see reg. 1

14.  Particulars to demonstrate that the duty holder has established adequate arrangements to enable him to comply with paragraphs (12), (13), (15) and (16) of regulation 7, for co-ordinating the investigations he causes to be carried out pursuant to that regulation with other investigations carried out pursuant thereto, and for participating in such other investigations.

Commencement Information

I14 Sch. 1 para. 14 in force at 1.4.1996, see reg. 1

Content and other characteristics of gas E+W+S

15.  Particulars to demonstrate that the duty holder has established adequate arrangements to ensure that all gas he conveys complies with regulation 8.

Commencement Information

I15 Sch. 1 para. 15 in force at 1.4.1996, see reg. 1

Continuity of supply E+W+S

16.  Particulars to demonstrate that the duty holder has established adequate arrangements to minimise the risk of a supply emergency.

Commencement Information

I16 Sch. 1 para. 16 in force at 1.4.1996, see reg. 1

17.  Particulars to demonstrate that the duty holder has established adequate arrangements to ensure that the gas he conveys will be at an adequate pressure when it leaves the part of the network used by him. E+W+S

Commencement Information

I17 Sch. 1 para. 17 in force at 1.4.1996, see reg. 1

Supply emergencies E+W+S

18.  Particulars to demonstrate that the duty holder has established adequate arrangements for dealing with supply emergencies or other incidents which could endanger persons.

Commencement Information

I18 Sch. 1 para. 18 in force at 1.4.1996, see reg. 1

19.  Where the duty holder is the only person conveying gas in a network, particulars to demonstrate that he has established adequate arrangements to decide when and for how long gas not conforming with the requirements of regulation 8(1) should be conveyed in the network pursuant to regulation 8(4). E+W+S

Commencement Information

I19 Sch. 1 para. 19 in force at 1.4.1996, see reg. 1

20.  Without prejudice to paragraph 18 above, particulars of the procedures that the duty holder has established to discontinue safely supply to consumers, when it is known there is insufficient gas to satisfy demand. E+W+S

Commencement Information

I20 Sch. 1 para. 20 in force at 1.4.1996, see reg. 1

21.  Particulars of the procedures that the duty holder has established to restore safely the gas supply to consumers, following an interruption in supply. E+W+S

Commencement Information

I21 Sch. 1 para. 21 in force at 1.4.1996, see reg. 1

Interpretation E+W+S

22.  In this Schedule—

(a) “audit” means systematic assessment of the adequacy of the management system to achieve the purpose referred to in paragraph 6 carried out by persons who are sufficiently independent of the system (but who may be employed by the duty holder) to ensure that such assessment is objective;

(b) ;“management system” means the organisation and arrangements established by the duty holder for managing his undertaking;

(c) any reference to an operation intended to be undertaken by the duty holder is a reference to his intended operation of conveying gas in a network.

Commencement Information

I22 Sch. 1 para. 22 in force at 1.4.1996, see reg. 1

Regulation 3(2)

SCHEDULE 2 E+W+S PARTICULARS TO BE INCLUDED IN SAFETY CASE OF A NETWORK EMERGENCY CO-ORDINATOR

1.  Name and address of the person preparing the safety case (in this Schedule referred to as “the duty holder”). E+W+S

Commencement Information

I23 Sch. 2 para. 1 in force at 1.4.1996, see reg. 1

2.  A general description of the network to which the safety case relates, including the geographical location of where pipes used by different persons conveying gas in the network join. E+W+S

Commencement Information

I24 Sch. 2 para. 2 in force at 1.4.1996, see reg. 1

3.  Particulars to demonstrate that the duty holder has established adequate arrangements for co-ordinating the actions to be taken to prevent a supply emergency including— E+W+S

(a) particulars to demonstrate that the duty holder has established adequate arrangements to monitor gas flow within the network in order to identify a forthcoming supply emergency;

(b) in cases where it is not possible to obtain sufficient gas, particulars of the procedures and arrangements that the duty holder has established to direct persons conveying gas to secure a reduction in consumption and to verify that such directions have been followed;

(c) particulars of the procedures that the duty holder has established to monitor the situation throughout a supply emergency, and details of the procedures established to restore safely the gas supply to consumers, once the emergency is over;

(d) particulars to demonstrate that the duty holder has established adequate arrangements to decide when and for how long gas not conforming with the requirements of regulation 8(1) should be conveyed in the network pursuant to regulation 8(2);

(e) particulars to demonstrate that the duty holder has established adequate arrangements for rehearsing and testing the actions to be taken in the case of a supply emergency;

(f) a general description of the plant and premises the duty holder intends to use in connection with the arrangements and procedures described in his safety case pursuant to this paragraph.

Commencement Information

I25 Sch. 2 para. 3 in force at 1.4.1996, see reg. 1

4.  The same particulars as are referred to in paragraphs 4 to 11 of Schedule 1 as if any reference in paragraphs 4 and 6 thereof to the operation intended to be undertaken were a reference to the network emergency co-ordinator’s functions under the arrangements and procedures described in his safety case. E+W+S

Commencement Information

I26 Sch. 2 para. 4 in force at 1.4.1996, see reg. 1

Regulation 8

SCHEDULE 3 E+W+S CONTENT AND OTHER CHARACTERISTICS OF GAS

PART I E+W+S REQUIREMENTS UNDER NORMAL CONDITIONS

1.  The content and characteristics of the gas shall be in accordance with the values specified in the following table. E+W+S

Content or characteristic	Value
hydrogen sulphide content	≤5 mg/m3;
total sulphur content (including H2S)	≤50 mg/m3;
hydrogen content	≤0.1% (molar);
oxygen content	[F3 ≤1.0% (molar), where the gas is conveyed in a pipe operated at a pressure of ≤38 barg, and ≤0.2% molar, where the gas is conveyed in a pipe operated at a pressure of >38 barg];
impurities	shall not contain solid or liquid material which may interfere with the integrity or operation of pipes or any gas appliance (within the meaning of regulation 2(1) of [F4 the 1998 Regulations]) which a consumer could reasonably be expected to operate;
hydrocarbon dewpoint and water dewpoint	shall be at such levels that they do not interfere with the integrity or operation of pipes or any gas appliance (within the meaning of regulation 2(1) of [F5 the 1998 Regulations]) which a consumer could reasonably be expected to operate;
[F6 RD	≤0.700]
WN	(i) ≤51.41 MJ/m3, and (ii) ≥47.20 MJ/m3;
F7 ...	F7 ...
F8 ...	F8 ...

Textual Amendments

F3 Words in Sch. 3 Pt. 1 table substituted (6.4.2023) by The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(2)(a)(i)

F4 Words in Sch. 3 Pt. 1 table substituted (6.4.2023) by The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(2)(a)(ii)

F5 Words in Sch. 3 Pt. 1 table substituted (6.4.2023) by The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(2)(a)(iii)

F6 Words in Sch. 3 Pt. 1 table inserted (6.4.2023) by The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(2)(a)(iv)

F7 Words in Sch. 3 Pt. 1 table omitted (6.4.2023) by virtue of The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(2)(a)(vi)

F8 Words in Sch. 3 Pt. 1 table omitted (6.4.2023) by virtue of The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(2)(a)(vii)

Commencement Information

I27 Sch. 3 Pt. I para. 1 in force at 1.4.1996, see reg. 1

2.  The gas shall have been treated with a suitable stenching agent to ensure that it has a distinctive and characteristic odour which shall remain distinctive and characteristic when the gas is mixed with gas which has not been so treated, except that this paragraph shall not apply where the gas is at a pressure of above 7 barg. E+W+S

Commencement Information

I28 Sch. 3 Pt. I para. 2 in force at 1.4.1996, see reg. 1

3.  The gas shall be at a suitable pressure to ensure the safe operation of any gas appliance (within the meaning of regulation 2(1) of [F9 the 1998 Regulations]) which a consumer could reasonably be expected to operate. E+W+S

Textual Amendments

F9 Words in Sch. 3 Pt. 1 para. 3 substituted (6.4.2023) by The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(2)(b)

Commencement Information

I29 Sch. 3 Pt. I para. 3 in force at 1.4.1996, see reg. 1

4.—(1) Expressions and the abbreviations used in this Part shall have the meanings assigned to them in Part III of this Schedule. E+W+S

F10 (2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Textual Amendments

F10 Sch. 3 Pt. 1 para. 4(2) omitted (6.4.2023) by virtue of The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(2)(c)

Commencement Information

I30 Sch. 3 Pt. I para. 4 in force at 1.4.1996, see reg. 1

PART II E+W+S REQUIREMENTS FOR GAS CONVEYED TO PREVENT A SUPPLY EMERGENCY

1.  The requirements of the gas referred to in regulation 8(2) and (4) are— E+W+S

(a) WN—

(i) ≤52.85 MJ/m³, and

(ii) ≥46.50 MJ/m³; and

F11 (b) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

and in all other respects the gas shall conform to the requirements specified in Part I of this Schedule, as if those requirements were repeated herein.

Textual Amendments

F11 Sch. 3 Pt. 2 para. 1(b) omitted (6.4.2023) by virtue of The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(3)(a)(i)

Commencement Information

I31 Sch. 3 Pt. II para. 1 in force at 1.4.1996, see reg. 1

2.—(1) Expressions and abbreviations used in this Part shall have the meanings assigned to them in Part III of this Schedule. E+W+S

F12 (2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Textual Amendments

F12 Sch. 3 Pt. 2 para. 2(2) omitted (6.4.2023) by virtue of The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(3)(b)

Commencement Information

I32 Sch. 3 Pt. II para. 2 in force at 1.4.1996, see reg. 1

PART III E+W+S INTERPRETATION

1.  In this Schedule— E+W+S

“bar” means bars (absolute);

“barg” means bars (gauge);

“C” means degrees Celsius;

F13 ...

F14 ...

F15 ...

[F16 “gross calorific value” means the gross calorific value, expressed in MJ/ m³, of a dry gas determined on the basis that the water produced by combustion is assumed to be condensed;]

“mg/m³” means milligrams per cubic metre [F17 under the reference conditions];

[F18 “MJ/m³” means megajoules per cubic metre under the reference conditions;]

F19 ...

F20 ...

[F21 “relative density” (“RD”) means the ratio of VG to VA (expressed in the same units) where—

• VG is the mass of a volume of the gas when containing no water vapour under the reference conditions; and

• VA is the mass of the same volume of air containing no water vapour under those conditions;]

F22 ...

[F23 “WN” means the Wobbe Number of the gas, which is calculated in accordance with the following formula—

]

F24 ...

Textual Amendments

F13 Words in Sch. 3 Pt. 3 para. 1 omitted (6.4.2023) by virtue of The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(4)(a)(i)

F14 Words in Sch. 3 Pt. 3 para. 1 omitted (6.4.2023) by virtue of The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(4)(a)(ii)

F15 Words in Sch. 3 Pt. 3 para. 1 omitted (6.4.2023) by virtue of The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(4)(a)(iii)

F16 Words in Sch. 3 Pt. 3 para. 1 inserted (6.4.2023) by The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(4)(a)(iv)

F17 Words in Sch. 3 Pt. 3 para. 1 substituted (6.4.2023) by The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(4)(a)(v)

F18 Words in Sch. 3 Pt. 3 para. 1 substituted (6.4.2023) by The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(4)(a)(vi)

F19 Words in Sch. 3 Pt. 3 para. 1 omitted (6.4.2023) by virtue of The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(4)(a)(vii)

F20 Words in Sch. 3 Pt. 3 para. 1 omitted (6.4.2023) by virtue of The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(4)(a)(viii)

F21 Words in Sch. 3 Pt. 3 para. 1 substituted (6.4.2023) by The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(4)(a)(ix)

F22 Words in Sch. 3 Pt. 3 para. 1 omitted (6.4.2023) by virtue of The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(4)(a)(x)

F23 Words in Sch. 3 Pt. 3 para. 1 substituted (6.4.2023) by The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(4)(a)(xi)

F24 Words in Sch. 3 Pt. 3 para. 1 omitted (6.4.2023) by virtue of The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(4)(a)(xii)

Commencement Information

I33 Sch. 3 Pt. III para. 1 in force at 1.4.1996, see reg. 1

[F25 1A.   In this Schedule, the reference conditions are 15C and 1.01325 bar.] E+W+S

Textual Amendments

F25 Sch. 3 Pt. 3 para. 1A inserted (6.4.2023) by The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(4)(b)

F26 2.  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E+W+S

Textual Amendments

F26 Sch. 3 Pt. 3 para. 2 omitted (6.4.2023) by virtue of The Gas Safety (Management) (Amendment) Regulations 2023 (S.I. 2023/284), regs. 1(3), 14(4)(c)

Commencement Information

I34 Sch. 3 Pt. III para. 2 in force at 1.4.1996, see reg. 1