- Do din tra suAt va nhiet tra suAt cua clAt n'an 1,413 bao cao khdo sat dia chit.
3. Khdo sat dia hinh lap NCKT tuye'n cap din ngAm vugt bin 22kV± 220k
a) Khdo sat lua chon phuang an tuyen cap ngam vuvt bin
- Ti6n hanh thu thap cac tai lieu v6' trac dia, ban d6, hai d6 dm \Tung tuy6n cap din ng'am du ki6n \Ted cac loai t57 le hai d6 tST l' 1:50.000 hoc t57 l' 1:25.000.
- Nghien ciru tong th6 do sau day bi6n, hinh thai day bien, hinh thai viing yen bien va 13.6 bi6n, cac di6m tiep bar.
- Vach tuy6n so b0 len ban do dia hinh, hai c16' tS, le 1:50.000 hoac 1:25.000 da thu thap dugc trong khu vuc.
- Khao sat kie'm tra hien tnxerng toan tuyen de dieu chinh tuyen cho phir hgp vori thuc te, dam bao cong trinh có tinh kha thi hon. Thanh phan tham gia gom CNDA va Don vi khao sat.
- Khao sat diL tra, thu thlap tai lieu cac hoat dOng kinh to - xa hoi ding tuy6n: + Cac hog Ong danh Wat ca, cac khu vuc danh bat ca, phuang phap va thie't bi danh bat, kich tau va infra danh bat ca ...
+ Khai thac biL (nganh du lich, cac ngu6n to nhien, xa.c dinh su ton tai, cac cdu trirc Quy hoach ngoai khoi ho4c cac duang Ong
+ Cac hog &Ong quan
+ Cac hog dOng van chuy6n.
+ Cac nguy co do con nguei tao ra nhu dam tau, 14 tau, cac vat can clued bi6n va cac khu vuc nap vet...
+ ThOng tin ve duang ong va cap ngam hien CO ho4c hix hong phe 136.
+ Cac khu kinh t6 chuyen biet, \ding khai thac khoang san, cAu cang, cac khu quan su, cac khu bao ton
- Lap bao cao k6t qua nghien ciru phuong an tuyen cap din ngAm -mot bien va thuc hien thoa thuan \Tad Dia phuang, cac 1340 nganh lien quan.
b) Do not cao toa dO quo'c gia d6n cac vi tri diem tiep ba
- Thu th4p cac di6'm toa do va d4) cao Qu6c gia (toa dO he VN2000, do cao HOn Dau), hien co lan can khu vuc cac diem tiep 13.6 tuyen cap ngam vugt bien.
- Tien hanh do notcao toa (toa VN 2000, cao d4) Hon, Dau) den cac vi tri diem tiep 136. tuyen cap ngam vugt bien va 2 moc dO cao gan 2 tram quan trac trieu O. moi phia khu vuc diem tiep ba.
c) Do ve ban cit) dia hinh cac diem tiep bo. CST 1/200, duang d6ng mirc 0,5m - Khao sat, do ye ban d6 dia hinh tren hanh,lang rOng 200m (tir tim tuy6n ra moi
&
ben 100m) tir Muc nu thap vao phil qua diem tiep ba de bao tram len khu vuc ket not ham cap va cot duang day din tren cao (cot dau not cap) khoang 50m. Chieu dai loan tuyen khao sat nay phu thuc vao dO doc dia hinh ba bien khu vuc diem tiep be.. Do ve chi tilt ban d6' dia hinh di6m tiep ba yeti tS, le 1/200, duang d6ng mirc 0,5m va sir dung N thong luOi toa d() va do cao quoc gia da xay dung dugc tai mtii diem tiep
d) Do ve ban d6 dia hinh tST 1) 1/5000 vO.i khoang cao deu throng d6ng mire 2,0m - Hanh lang tuyen khao sat ph'an ngoai kiwi du kin tinh tir tim tuy6n ve moi phia la 250m (500m chieu rOng) va giam ve 100m (200m chieu ricing) khi each di6'm tiep ba dugc chi dinh la 200m, diL do se dam bao dugc bat cir thay doi xe dich tuye'n can thi6t do cac diL kien dAt cat va dia hinh day bien bAt lgi.
- Do ve ban do dia hinh day bi6n \ding hanh lang tuye'n khao sat theo tS, le 1/5000, khoang cao deu h= 2m theo he toa do va dO cao qui& gia da xay dung cho 2 phia khu vuc di/6m tiep
e) Lap mat cat doc dia hinh tuy6n cap din ngAm vuot bien
- Tren ca soy tai lieu ban c16 dia hinh hanh lang tuy6n khao sat ph'an ngoai khoi, yen be( va khu vu.c diem tiep be., mat cat dia hinh tuyen cap ngam vtrot bien dugc CNDA xac dinh.
0 Lai) bao cao khao sat dia hinh
- Lap bao cao khao sat dia hinh thuye't minh, cac phu luc, ban ve, ban tinh, cac tai lieu lien quan.