N.H. Code Admin. R. Pas 305.09
Seven-Year Dynamic Testing of Passenger Tramways
Effective Aug 6, 2022#7800, eff 12-11-02; amd by #9354-B eff 1-3-09; EXPIRED: 12-11-10, except for para (f); ss by #10072, eff 1-11-12; amd by #10382, eff 7-23-13; ss by #12989, eff 2-5-20; ss by#13429-B, eff 8-6-22 (formerly Pas 305.05); ss by#13429-B, eff 8-6-22 (formerly Pas 305.06)Passenger Tramway Safety Board
- (a) All aerial tramways shall be dynamically tested at intervals of no greater than 7 years. A state inspector or designee of the board shall witness the test.
- (b) A written procedure prepared by the manufacturer or a qualified engineer reflecting the latest modifications to each lift shall be used as part of the testing.
(c) The following materials shall be available for the inspection:
- (1) The as-built documentation for mechanical equipment, electrical system, tower loadings geometry, and tensioning system; and
- (2) A copy of the last load test or periodic dynamic test with recorded parameters for comparison.
(d) The written procedure for the dynamic test shall include, at a minimum:
(1) Testing for proper functioning of all electrical safety switches, including but not limited to:
- a. Line tower and lift terminal deropement switches;
- b. Manual stop, start and slow switches;
- c. Tension system limit switches for mechanical travel and for pressure limits;
- d. Collision control switches and systems;
- e. Brake monitoring switches;
- f. Overspeed devices;
- g. Field loss and phase loss detection, as appropriate;
- h. Brake trip switches; and
- i. Speed control circuit loss detectors;
(2) Verification of basic design parameters, including:
- a. Lift speed;
- b. Carrier spacing;
- c. Tensioning values;
- d. Line geometry, such as the general conformance to design drawings;
- e. Capacity and torque value of all brakes;
- f. Quantity and condition of line sheaves;
- g. Lift acceleration and deceleration rates; and
- h. Carrier weights, configurations, and condition; and
(3) A load test to verify that the following devices are functioning properly for all loading conditions, such as uphill, downhill and simultaneous uphill and downhill loading:
- a. Prime mover system;
- b. Auxiliary drive system;
- c. Evacuation drive system; and
- d. All braking systems in each mode of design operation.
- (e) For the purposes of (d)(2)d. above, a survey shall not be required unless an apparent discrepancy exists between field observations and existing as-built drawings.
Source. #7800, eff 12-11-02; amd by #9354-B eff 1-3-09; EXPIRED: 12-11-10, except for para (f); ss by #10072, eff 1-11-12; amd by #10382, eff 7-23-13; ss by #12989, eff 2-5-20; ss by#13429-B, eff 8-6-22 (formerly Pas 305.05); ss by#13429-B, eff 8-6-22 (formerly Pas 305.06)