NOI DUNG CHUAN B CUOC HOP

THNH PH H CH MINH CNG HA X HI CH NGHA VIT NAM

CTY CP PHT TRIN H TNG C LP - T DO - HNH PHC

T THNH

S : /T/CV Tp.HCM, ngy ..... thng .... nm 2011

Knh gi: - Bnh vin T D

- Cng ty C phn t vn Xy dng Tng hp

- Cng ty TNHH XD Kin Trc Min Nam.

Cn c h s thit k s /TKKTTC/11 ngy / /2010 ca Cng ty C phn Pht trin H tng t Thnh;

Cn c Bo co thm tra ln th 1 ca Cng ty TNHH XD Kin Trc Min Nam; h s TKKTTC TDT cng trnh Ci to pht trin li in trung h th v h thng cp in Bnh vin T D khng phi chnh sa nhiu ln, n v t vn thit k, Cng ty C phn Pht trin H tng t Thnh, c mt s kin nh sau:

I/ H s thit k:

a/. Phn cp ngm trung th:- Phn khi lng cp ngm trung th 3M240mm2 n v t vn ng chnh sa li theo kin ca thm tra ng vi thc t trn bn v v bn tnh khi lng.- n v t vn sa li theo kin ca n v thm tra l khng s dng li hp ni t tr 17 n trm bin p.- Chiu di mng cp n v t vn ng sa theo kin ca n v thm tra. Nhng mng cp trung th gm 2 loi: mng cp trung th bng B tng v mng cp chn trc tip trong t.- n v t vn b sung 03 ng PVC d phng cho trm ngt theo kin ca n v thm tra.

- n v t vn thit k tng i y bn v t RMU bn v 7/9 v 8/9 ty nhin n v t vn b sung cc kch thc ch yu, v tnh ton li on cp t RMU n trm bin p.

- Phn tnh ton hao ht n v t vn sa li theo kin ca n v thm tra nhng do cng trnh giao vi nhiu h thng h tng ngm khc nn n v t vn xut hao ht l 2%.- i vi cc ngn t RMU LBS 630A l nhng b phn thit b nguyn ai linh kin c nhp trn b t nc ngoi, nn khng th tho ri hay lp t thm vo bn trong gy mt an ton trong lc vn hnh. Mc khc ngoi tr u ni s 17 c lp t thit b chng st u ngun bo v cp ngm v trm bin p.

- Ti tr u ni cp ngm s 17 n v t vn ghi ch gii thch r trn bn v mt bng bng cp in gc tri bn v 1/8.

- n v t vn chnh sa li bn v l s dng 4 cc cho 2 v tr, mi v tr s dng 2 cc d16x2400 hn li vi nhau cho tr u ni s 17.

- Khi lng 18m cp ng bc M150mm2-24kV s dng cho vic u ni t li in trung th hin hu xung LBS v u ni t LBS xung DS v u ni t DS xung u cp ngm trung th.- V ph ti ln nn phi dng LBS ng ct ngun in trung th v s dng DS ng ct th hin r khong cch c lp thy c im h bng mt nhm m bo an ton trong vn hnh hay sa cha.

b/. Phn trm bin p:

- n v t vn b sung y kch thc mng cp.- n v t vn chnh sa li s nguyn l cp in l cp 3x5M300+3M300 thay v s nguyn l cp in hin hu l 3x5M300+4M240.

c/. Phn my pht in:

- n v t vn theo kin ca n v thm tra s b sung y chi tit cc bn v phng my pht.

- n v t vn b sung bn v v thuyt minh r cch lp t vn hnh bn du ph.

- n v t vn s b sung bn v bn du 5000L v s nguyn l vn hnh cho my pht.- n v t vn chnh sa li s nguyn l cp in l cp 5x3M300+3M300 thay v s nguyn l cp in hin hu l 5x3M300+4M240.

- n v t vn thit k b sung kch thc ca my pht in.

- Cch m phng c tnh theo th tch m3 ca b phn tiu m gi vo v m3 b phn tiu m gi ra. Do n v t vn thit k th tch tiu m gi vo th tch tiu m gi ra l iu kin m bo ting n 75db mc cho php theo qui nh.

- Trong bn v kin trc nh trm n v t vn thit k cch m ly gi vo, gi ra hng t trn xung cho phng my pht tng trt ch khng lp ly gi cho tng 1. Tiu m gi vo, gi ra c b tr mt trc v sau phng MF vi khong cch 2m.

- n v t vn b sung cc kch thc ca mng cp, khong cch ty treo, v chng loi ty treo.

d. Phn cp ngm h th:- n v t vn b sung chiu di n tuyn cp ngm trn bn v, loi cp ngm.- Phn tnh ton hao ht n v t vn sa li theo kin ca n v thm tra nhng do cng trnh giao vi nhiu h thng h tng ngm khc nn n v t vn xut hao ht l 2%.

- n v t vn thuyt minh r l cc t phng phn phi s dng nhiu t ring bit ghp li vi nhau.- Cc MCB 2P 20A trn cc t tng 191, khu B, khu C l ph v ng ct ngun chiu sng nh trm, qut ht.- Tip a cho cc t in trong phng iu khin: H thng tip a chung phng iu khin l khoan 1 ging tip a su 45m nhm lm gim in tr sut 4 m bo tin cy v an ton khi ngn mch.

- Cp CV22mm2 lm c u ni cho 32 ci t b 50kVAr.- Khi lng cp ln xung n v t vn ng tnh li khi lng ny.- n v t vn th hin r khi lng thanh ng trn bng tnh ton v trn bn v.- Khi lng ng PVC d140 n v t vn chnh sa li theo kin thm tra.- n v t vn nhn thy rng ti tr s 17 c thit b chng st lp ti tr u ni s 17, mt khc ton b h thng in h th iu c i ngm nn kh nng st nh vo ng dy h th l khng c.

- Khu E: khng cp ngun mi cho khu E m ch ci to di di li ng dy hin hu v t in do vng h thng mng cc nhi hnh lang thot him ca khu 191.

- n v t vn thit k cp ngun ring bit cho tng khu. Ph ti khu x tr, khu x l nc thi chuyn u ni sang thanh ci tng ATS 2500A. Khng s dng 01 ACB tng ng ct cho c 02 khu.- Theo phng n thit k cp ngun h th cho cc khu l dng hnh tia. Mt khc do d n ban u lp theo p/n hnh tia nn t vn thit k cp ngun h th cho cc khu l dng hnh tia. Theo ngh t vn thm tra cc khu vc c cp ngun t mt mch cp ngm h th ring bit cho cc khu c tnh cht quan trng ca Bnh Vin, do t vn thit k, t vn thm tra xut Ch u t cn xem xt li phng n cp ngun h th nh sau: i vi cc khu vc mang tnh c th v c tnh cht quan trng th nn thit k cp ngun t 2 mch cp ngm, trong mt mch hot ng thng trc, mch cn li d phng khi s c xy ra trn mch kia y cng l phng gii quyt s c rt hiu qu. Do tng qui m u t 2 mch cp ngm, do t vn thit k bo co ch u t xem xt v quyt nh.e. Phn nh trm:

- n v t vn b sung h thng chiu sng cho nh trm, phng my pht, phng iu khin trung tm, phng trm ngt.

- n v t vn b sung bn v v v tr lp t qut ht thng gi cho nh trm.Trn y l mt s kin ca n v t vn lp Thit k k thut thi cng Tng d ton v bin bn thm tra (ln 1). Chng ti s hon thin li h s Thit k k thut thi cng Tng d ton trnh li Ch u t trc khi trnh cc cp thm quyn ph duyt.

h s TKKTTC TDT cng trnh Ci to pht trin li in trung h th v h thng cp in Bnh vin T D sm hon thin a vo thi cng, nghim thu, knh ngh Bnh Vin T D, Cng ty C phn t vn Xy dng Tng hp, Cng ty TNHH XD Kin Trc Min Nam quan tm h tr.

Xin chn thnh cm n!

GIM C

Ni nhn:

- Nh trn;

- Lu VT.

V/v chnh sa h s TKKTTC TDT cng trnh Ci to pht trin li in trung h th v h thng cp in Bnh vin T D

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