Page 208 - Water Standards
P. 208
3 Allowable installation error of the tracks shall meet the requirements of Table 4 1 6
4 The track joints shall meet the following requirements:
1) Joint misalignment on the left, right and front of the track shall be no larger
than 1mm.
2) The joint positions of two parallel tracks shall be staggered, and the staggered dis⁃
tance shall not be equal to the length of the wheelbase (between the front and rear
wheels) of the lifting device.
Table 4 1 6 Allowable installation error of tracks
Unit: mm
No Item Allowable error Note
L≤10000 2 Track design center line
Offset between
shall be measured
track actual center
1 according to the hoisting
line and design L>10000 3
center line, dam axis or
center line
powerhouse center line
L≤10000 ±3
2 Track gauge —
L>10000 ±5
1/ 1500 of
Track lengthways straight⁃
3 member length and —
ness
no larger than 10
1/ 100 of track Measure the ends and
4 Track crosswise inclination
width the middle of each track
Relative elevation difference
L / 800 and no
5 of two tracks in the same sec⁃ —
larger than 10
tion
Note: L is Track gauge
3) The gap between joints shall be between 1mm and 3mm. The gap between expan⁃
sion joints shall meet the requirements of the drawings and the deviation shall be
no larger than ±1mm
4 1 7 The assembly of hoisting equipment shall meet the following requirements:
1 Generally the equipment shall be assembled in the factory, but large size equipment
which is difficult to assemble in the factory can be assembled on the construction site
2 All the components and parts shall pass the quality tests and with quality certifica⁃
2 0 1