Regulation No. 107-07 Proposal

Name:Regulation No. 107-07 Proposal
Description:General Construction of M2 or M3 Vehicles. Proposal for the 07 Series.
Official Title:Proposal for the 07 Series of Amendments to Regulation No.107 (General Construction of Buses and Coaches).
Country:ECE - United Nations
Date of Issue:2015-12-23
Amendment Level:Original
Number of Pages:13
Information:Published as Regulation No. 107-07
Vehicle Types:Bus, Heavy Truck
Subject Categories:Drafts and Proposals (Historical)
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Keywords:

fire, test, pool, table, oil, fan, system, read, engine, suppression, annex, mock-up, amend, diesel, appendix, type, regulation, compartment, figure, paragraph, diameter, high-load, fires, amendments, series, vehicle, heptane, dimensions, conducted, spray, heater, apparatus, trays, fully, coordinates, exhaust, paragraphs, combustion, low-load, objects, approval, re-ignition, min, extinguishing, silencer, approved, applying, pipe, apertures, manifold

Text Extract:

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ECE/TRANS/WP.29/2016/12
PROPOSAL FOR THE 07 SERIES OF AMENDMENTS TO
REGULATION NO. 107
(GENERAL CONSTRUCTION OF BUSES AND COACHES)
ADOPTED AT THE 168 SESSION – MARCH 2016
PROVISIONAL DATE OF ENTRY INTO FORCE: OCTOBER 8, 2016

10.17. As from September 1, 2021, Contracting Parties applying this Regulation shall not be
obliged to accept, for the purpose of national or regional type approval, a vehicle of
Class I or II type approved to the 06 series of amendments to this Regulation.
10.18. Notwithstanding Paragraphs 10.14. and 10.16., Contracting Parties applying this
Regulation shall continue to accept type approvals granted to the 06 series of
amendments to vehicles which are not affected by the 07 series of amendments."
Annex 2,
Model D, replace figure "06" by "07" (3 times).
Annex 3,
Paragraph 7.5.1.5., amend to read:
"7.5.1.5. In the case of …… heater is located.
In addition to the alarm system, vehicles of Classes I, II and III shall be equipped with
a fire suppression system in the engine compartment and each compartment where a
combustion heater is located. Vehicles of Classes A and B, may be equipped with a
fire suppression system in the engine compartment and in each compartment where
a combustion heater is located."
Paragraph 7.5.1.5.4.2., amend to read:
"7.5.1.5.4.2. An analysis shall be … … activates. The spray pattern and direction of discharge
points, as well as the discharge distance, shall be ensured to cover identified fire
hazards. The system shall also be ensured to work properly regardless of the
vehicle's attitude.
The fire hazard analysis shall, as a minimum, take into account the following
components:
(a)
(b)
(c)
Those whose surface may reach temperatures above the auto-ignition
temperature for fluids, gases or substances that are present within the
compartment;
Electrical components and cables with a current or voltage high enough for
an ignition to occur;
Hoses and containers with flammable liquid or gas (in particular if those are
pressurized).
The analysis shall be fully documented."

Annex 13 – Part 2,
Paragraphs 1.1. and 1.2., amend to read:
"1.1. A specific engine compartment means engine compartments which do not differ in the
following essential aspects:
(a)
(b)
(c)
The position of the engine compartment;
Maximum gross volume;
General layout of components in the compartment (i.e. position of the
determined fire hazards).
For compartments where a combustion heater is located items (b) and (c) apply.
1.2. The fire suppression systems shall be tested for high-load fire, low-load fire, high-load
fire with fan (to be applied if a fan is fitted in the engine compartment and/or
combustion heater compartment) and re-ignition."
Paragraphs 1.4. to 1.7.3., amend to read:
"1.4. High-load fire
1.4.1. The test shall be conducted …

1.5. Low-load Fire
1.5.1. The test shall be conducted …

1.6. High-load fire with fan (if a fan is fitted in the engine and/or combustion heater
compartment)
1.6.1. The test shall be conducted …

1.7.2. Re-ignition shall not occur within 45s of the fire being fully extinguished.
1.7.3. The test …"

1.3. Framework
1.3.1. The framework of the test apparatus shall be constructed according to Figure 4. The
dimensions of the beams are … … the ground.

1.4. Apertures
1.4.1. In addition to the opening for the fan, the test apparatus includes six apertures. The
dimensions and positioning of the apertures are according to the coordinates in
Table 3. The positions are referenced from two diagonally opposite corners
(all apertures are rectangular in shape). The apertures are shown in Figure 4.

1.6. Mock-up Components
1.6.1. The dimensions of the engine mock-up are 1,000mm × 650mm × 500mm. The
dimensions of the silencer mock-up are diameter 400mm × 800mm. The exhaust
manifold mock-up shall have the inner dimensions of diameter 80mm × 900mm. The
mock-up components shall be hollow. The exhaust manifold mock-up shall be
connected to the silencer mock-up through a pipe with a diameter of 76mm. A pipe
from the silencer mock-up shall also be used to carry the exhaust gases from the prewarming
system out from the test apparatus.

1.10. Pool Fire Trays
1.10.1. Detailed descriptions of these trays are given in Table 5. Three different types of pool
fire trays are applied in Table 6: square, rectangular and circular.
Table 5
Specification of Pool Fire Trays
Dimensions Rim height Nominal thickness Used for test fire No.
300mm × 300mm 70mm 1.5mm 1, 2
200mm × 300mm 70mm 2mm 3
Diameter 150mm 100mm 1.5mm 4

Table 6
Test Fires
Test fire No. Description Fuel
Approximate peak Heat
Release Rate 60s after
ignition
1
Pool fire 300mm × 300mm
Diesel oil and heptane
60 kW
2
Pool fire 300mm × 300mm and 2 fibreboards
Diesel oil and heptane
110kW
3
Pool fire 200mm × 300mm
Diesel oil and heptane
40kW
4
Pool fire diameter 150mm
Diesel oil and heptane
7kW
5
Spray fire (450kPa, 0.73kg/ min ±10%)
Diesel oil
520kW
6
Spray fire (450kPa, 0.19kg/ min ±10%)
Diesel oil
140kW
7
Dripping oil fire (40 droplets/ min ±10)
Engine oil
5kW
2.2. The amount of water, diesel and heptane used in the tests shall be in accordance
with Table 7.
Table 7
Amount of Fuel Used in Pool Fire Trays
Dimensions Water Diesel Heptane Used for test fire
300mm × 300mm 1.0l 0.5l 0.2l #1, #2,
200mm × 300mm 0.5l 0.5l 0.2l #3
Diameter 150mm 0.2l 0.2l 0.1l #4
2.3. Test fire No. 2 consists … … the test.
2.4. Test fire Nos. 5 and 6 consist … … or an equivalent.
3. INSTALLATION OF THE FIRE SUPPRESSION SYSTEM
3.1. To obtain the minimum discharge rate condition, an extinguishing system is to be
assembled to its maximum dimensional capability with respect to the number of
fittings and size and length of pipe, if relevant. The cylinder is to be used ...


Annex 13 – Appendix 2, amend to read:
Test fire No. (see Table 6
in Appendix 1)
Note: The fan is not used
…"
"HIGH-LOAD FIRE
Table 1
Test Fires
Description
Coordinates [x; y; z] (see
Figure 1 in Appendix 1)
6 Spray fire (0.45MPa, 0.19kg/min) [1.47; 0.73; 0.46]
3 Pool fire 200mm × 300mm [0.97; 0.85; 0.70]
4 Pool fire diameter 150mm [0.97; 1.28; 0.00]
3 Pool fire 200mm × 300 mm [1.54; 0.57; 0.36]
2 Pool fire 300mm × 300mm and 2 Fibreboards [1.54; 0.77; 0.36]
3 Pool fire 200mm × 300mm [1.54; 0.13; 0.00]
Annex 13 – Appendix 3, amend to read:
Test fire No. (see Table
6 in Appendix 1)
Table 2
Test Procedure
"LOW-LOAD FIRE
Table 1
Test Fires
Description
Coordinates [x; y; z] (see
Figure 1 in Appendix 1)
4 Pool fire diameter 150mm [0.02; 0.08; 0.00]
3 Pool fire 200mm × 300mm [0.37; 0.57; 0.00]
4 Pool fire diameter 150mm [0.45; 1.20; 0.00]
4 Pool fire diameter 150mm [0.97; 1.28; 0.00]
4 Pool fire diameter 150mm [1.54; 0.57; 0.00]
Note: The fan is required to produce an air flow of 1.5m /s.

Table 2
Test Procedure
Time
Action
Prior to test
Pre-heat tube
00:00
Pre-defined temperatures are reached
00:30
Start oil dripping
00:45
Activate suppression system (the oil shall ignite before activation)
…"
General Construction of M2 or M3 Vehicles. Proposal for the 07 Series.