- Lap bao cao khao sat Khi tu g Thug van 3 Khao sat dia hinh lap NCTKT tuy6n DDK 500k
5. Khao sat khi Wong thily van lap NCKT DDK 110kV± 500k
a) Thu thap he th6ng hod tai lieu
- Thu thap va h" thong hoa tai lieu quan trac khi tuong thily van, hai van dm cac Dai, Tram khi tuong - thily van Quoc gia va cua cac nganh nam trong pham vi gan tuyen cong trinh de co du co. soh tinh toan cac thong so khi Wong thily van irng voi tan sulk P=1% (tAn suAt 2% cho DDK cap dien dp 110kV = 220kV). Tai lieu thu thlap phai dam bao tinh phap
+ Tai lieu khi tucmg: Thu thap tai lieu tir tram khi tucmg lan can du an, s6 lieu phai bao dam lam dai dien cho khu vuc du an.
+ Tai lieu they van: Thu thap tai lieu tir tram thily van tren song lan co tuye'n duemg day di qua, truemg hop song dO khong có tram do thi tien hanh thu thap tai lieu tir luu vuc song Wong tu.
+ Tai lieu hai van: Thu th6p so lieu tir tram hai van gan khu vuc doan tuy6n di qua.
b) Khao sat diL tra tai hi*1 tnremg
- Tren toan tuy6n throng day: Dieu tra muc nuO.c nOp lore nhAt tai vimg tang. Dieu tra clanh gia ve thien tai 1U quet, sat 16r dat doc tuyen cluemg day.
- Tren clop tuy6n DDK vuot song:
+Ti6n hanh di&T tra muc nuo.c lore nhAt, muc nuac nho nhAt, dieu tra do _ dac v 6' hinh thai long song mila can, mUa lu va trung binh hang nam, dua ra du bao dien Bien long song trong Wang lai.
+ Di6'u tra ve luu thong du mg thily doan song, thu thap thong tin ve chiL cao tinh khong.
+ Di'eu tra, danh gia tinh hinh bt\i 16r be. song khu vuc doan tuy6n di qua (neu ra nguyen nhan gay sat lo.) chieu dai dieu tra it nhat 300m ve thuong luu va ha luu tinh to tim tuye'n DDK.
+ DiL tra ve hien trang va quy hoach cac cong trinh chinh tri be. song, du bao doge nguy co. gay sat 16. be( do tac dOng cua hoat d(ing chinh tri.
+ Truemg hgp khu vuc doan tuyen vugt song co hien Wen-1g boi for phirc tap hoac tuyen vuot song lore theo yeu cau ky thuat bu0c,phai dat cot tai lOng song ho:dc bai Mi., de co co. tinh toan thily luc phuc vu thiet ke can thiet phai do dac mat cat doc va mat cat ngang song tai doan tuyen vuot, khoi luong du kien nhu sau: 3 mat cat ngang song (1 mat cat thing vori tim tuyen, mat cat con lai do ye 2 phia thugng luu va ha luu, khoang each gift cac mat cat khoang 100-150m, khoang each thay doi toy thuOc vao
dang hinhthai song); Mat cat doc song: chi'eu dai mat cat doc do tir mat cat ngang d'au den mat cat cuoi ding.
- DiL tra thu thap cac thong tin NT' cac hi.'n tugng thoi ti& dlac bit nhu giong set, to' loc, bao.
- Dieu tra ve su an mon do anh huong dm khong khi có kha nang bi nhi6m man doi vai cong trinh. Neu can thiet, tien hanh do dac mirc d() nhiem man cila khong khi va neu 1.8 trong Nhi.'m vu khao sat.
c) Lap bao cao khao sat khi tucmg thug van
Ke't qua khdo sat khi tugng thily van g'om: thuy6t minh, cac phu luc, ban ve, ban tinh va cac tai lieu lien quan.