Havo sifati muhandisning mahalliy atrof-muhit bo'yicha mutaxassisi tomonidan ob'ektga tashrif buyurish paytida vizual kuzatish orqali baholandi. Tuproq ishlari paytida changning paydo bo'lishi atrof-muhitga katta ta'sir ko'rsatadi. Havo haroratining ko'tarilishi hozirgi vaqtda Pudratchi balansida bo'lgan mavjud yo'lda changning ko'payishiga olib keldi. Yo‘l-qurilish ishlari olib borilayotgan hududlarda changga qarshi chora-tadbirlar amalga oshirilmoqda. Shu munosabat bilan pudratchiga ertalab soat 7:00 dan kechki 19:00 ga qadar qurilish ob’ektlarida yo‘lni, jumladan, yo‘l chetlarini purkash intensivligini oshirish bo‘yicha topshiriq berildi. Ayni paytda bu vazifani bajarish uchun to‘rtta sug‘orish mashinasi ajratilib, ularning har biri kuniga 4-5 martadan sug‘orilmoqda.
Shovqin darajasini o'lchash laboratoriyasining protokollaridan ko'rsatilgan ma'lumotlar shuni ko'rsatadiki, ishlaydigan qurilish mexanizmlaridan shovqin darajasi barcha o'lchash nuqtalarida davlat standarti va IFC standartining MPL (80 dBa) dan oshmaydi. Binobarin, ular ishlaydigan xodimlarning sog'lig'iga salbiy ta'sir ko'rsatmaydi.
Qurilish bosqichining barcha bosqichlariga taalluqli boʻlgan oʻzbek milliy qurilish shovqin normalari KMK 2.01.08-96 “Shovqindan himoya qilish toʻgʻrisida”gi qonunida nazarda tutilgan va quyidagi 14-jadvalda batafsil bayon etilgan.
Jadval 14. Shovqinni o'lchash
Name of area
Average geometric frequency in dBA
Level of sound, (dBA) acc KMK 2.01.08-96
Levels (General IFC Guidelines
K238 + 600
Total noise on the road
74
74
75
75
60
70
Total noise in the yard of the school
52
52
50
51
50
55
Total noise in the school hall
53
51
50
51
50
55
Total noise in the school class 1
50
48
48
49
50
55
Total noise in the school class 2
51
49
49
48
50
55
Total noise in the school class 3
53
50
50
49
50
55
K239 + 700
Total noise on the road
76
75
75
75
60
70
Total noise in the yard of the kindergarten
52
50
51
50
50
55
Total noise inside the kindergarten
50
48
47
48
50
55
Total noise in the living premises of the kindergarten
48
47
47
47
50
55
Total noise in the premises for rest of the kindergarten
47
45
45
45
50
55
Aholi punktlari bo'ylab qurilish ob'ektlarida vibratsiya darajasini o'lchash amalga oshirildi. Tebranish tezlashuvi nuqtai nazaridan, o'lchov nuqtalarida qayd etilgan 95 dB tebranish tezlashuvining ruxsat etilgan ekvivalent darajasidan oshmaydi. Ko'rsatilgan nuqtalardagi barcha o'lchovlar noyabr oyida 37-50 dB oralig'ida o'lchov protokollari bilan qayd etilgan. Vibratsiyani tezlashtirish darajasining ushbu qiymatlari atrof-muhitga ham, saytdagi xodimlarning sog'lig'iga ham salbiy ta'sir ko'rsatmasligini ko'rsatadi.
5 rasm Changni tahlil qilish K-249 + 000
6 rasm Changni tahlil qilish K-269 + 550
8-rasm Vibratsiyani tahlil qilish K-239 + 70
9 rasm Vibratsiyani tahlil qilish K-238 + 600
Vibratsiya darajasi SanR&N No 0122-01 ish joylarida umumiy va mahalliy tebranishning sanitariya me'yorlariga muvofiq belgilanadi.
Table 2. Vibratsiyani o'lchash
Vibration
Level of sound pressure, dB, octave bands with average
geometric mean frequencies (Hz)
SanR&N No 0120-01)
31.5
63
125
150
500
1000
2000
4000
8000
K238 + 600
Total vibration on the road
85
72
63
52
47
46
44
42
38
50
75
Total vibration in the yard of the school
54
56
53
50
46
45
36
32
34
43
65
Total vibration in the school hall
53
51
47
45
41
37
35
32
30
41
65
Total vibration in the school class 1
52
50
46
43
40
37
35
32
30
43
65
Total vibration in the school class 2
51
49
48
48
43
40
37
34
35
42
65
Total vibration in the school class 3
52
48
46
43
41
38
36
33
31
44
65
Total vibration in the school class 4
50
47
45
43
41
39
36
33
30
40
65
K239 + 700
Total noise on the road
88
70
63
54
50
46
42
40
38
50
75
Total noise in the yard of the kindergarten
58
53
50
48
46
40
38
35
33
44
65
Total noise inside the kindergarten
56
52
48
46
44
39
37
34
31
42
65
Total noise in the living premises of the kindergarten
54
50
47
44
42
38
35
32
30
41
65
Total noise in the premises for rest of the kindergarten