Section 6.5.2 of NFPA Standard 130 is hereby amended to read as follows:

6.5.2.1 An approved fire standpipe system shall be provided for fixed guideway transit or passenger rail system tramways where physical factors prevent or impede access to the water supply or fire apparatus, if required by the authority having jurisdiction.

6.5.2.1.1 Class I or Class III standpipe systems shall be installed in trainways in accordance with NFPA 14 except as modified herein

6.5.2.1.2 Standpipe systems shall not be required to be enclosed in fire-rated construction, provided the following conditions are met:

(1) The system is cross-connected or fed from two locations.

(2) Isolation valves are installed not more than 800 ft. apart.

6.5.2.2 Standpipes shall be permitted to be of the dry type with the approval of the authority having jurisdiction.

6.5.2.3 Standpipe systems shall be provided with an approved water supply capable of supplying the system demand for a minimum of 1 hour.

6.5.2.3.1 Acceptable water supplies shall include the following:

(1) Approved municipal or approved privately owned water works systems that have adequate pressure, flow rate, and level of integrity

(2) Automatic or manually controlled fire pumps that are connected to an approved water source

(3) Pressure-type or gravity-type storage tanks that are installed in accordance with NFPA 22

6.5.2.4 Identification numbers and letters conforming to the sectional identification numbers and letters of the fixed guideway transit or passenger trainway system shall be provided at each surface fire department connection and at each hose valve on the standpipe lines.

6.5.2.4.1 Identifying signs shall be affixed to underground or enclosed trainway walls at each hose outlet valve or shall be painted directly on the standpipe in white letters next to each hose outlet valve.

6.5.2.4.2 Exposed tunnel standpipe lines and identification signs shall be painted as required by the authority having jurisdiction.

6.5.2.4.3 Hydraulic design information signs shall be provided at each fire department connection indication the residual inlet pumping pressure(s) required for the hydraulically most remote and/or other selected hose connection outlet location(s).

6.5.2.5 A fire department access road shall extend to within 100 ft. of the fire department connection.

6.5.2.6 Four-way 2.5 inch fire department connections shall be provided at all emergency access points.

6.5.2.7 Standpipes shall be sized to provide 1000 gpm. Hydraulic calculations shall be based on 500 gpm at 150 psi at the hydraulically most remote hose connection, with a simultaneous flow of 500 gpm at the next hydraulically most remote hose connection. The maximum calculated pressure at any point in the system shall not exceed 350 psi.

6.5.2.8 Standpipes shall be interconnected at all tunnel cross passageways and within the stations, with isolation valves provided for each interconnection.

6.5.2.9 Hose connection outlets shall be provided at maximum 200 feet spacing.

6.6.7.6 Tanks shall be abandoned in accordance with the provisions of Chapter 34 of the International Fire Code.