VPRS-03

Productivity:
when leveling and tamping a track, ties per hour
when tamping switch assemblies, switch assemblies per hour	1, 2
Accuracy of track position after leveling:
longitudinal inclination (micro-gradients), max, %o	1, 0
transversal inclination (difference in the level of rails at a 1-meter length of track), max., mm	1, 0
level deviation, mm	+/-2, 0
lining of route - in terms of the distance between the center-point of a 20-m chord and the center-point of an arc subtending this chord, measured on a circular curve at 5-m intervals; the acceptable difference between any two consecutive measurements not exceeding, mm	2, 0
Max. lifting of track, mm
Max. alignment of track, mm
Grade limit, %o	20, 0
Max. transportation speed when self-propelled, km/h
Permissible curvature of track, radius in meters:
with working mechanisms in transportation position
in working position
Overall dimensions, mm:
length with a trailer car
Height
Width
Weight, fully equipped, tonnes	62, 0
Operating crew, persons

Read and remember meanings of the words.

roadbed n земляное полотно ж.-д.

leveling n нивелировка, выравнивание

tamping n тромбование, подбивка, уплотнение

аlignment n соосность, выверка прямолинейности

longitudinal a продольный

transversal a поперечный, секущая

lining of railroad tracks прокладка ж.-д. путей

butt-end of а tie торец шпалы

switching line другой путь, параллельный путь

ambient temperature температура окружающего воздуха

gravity a сила тяжести, тяготение

overhaul n капитальный ремонт, переборка

interim a временный, предварительный, промежуточный

maintenance n эксплуатация, уход, содержание, обслуживание

2. Choose the best title for the text.

· JSC Kirovsky mashzavod 1 Maya

· Roadbed leveling, tamping and alignment machines VPRS-02, VPRS-03

· Road Construction Machines

· Machine Construction Technology

Read the text again and write down key words to describe the machines mentioned above.

The words in the following questions are in the wrong order. Rewrite the questions in the correct word order.

1) the name of the machine what is construction company?