Thong tin khoa hpc cong nghe m o NGHIEN CITU XAY DLTNG DINH MCTC DLT TOAN CHE TAO DAM THEP PHI TIEU CHUAN TRONG LINH VUC SAN XU&T 0 KHI At present Institute of Mining Science and Technology KS VU TUAN sis (IMSAT) has making technical design for the execution of KS DOAN NGOC CANH the conveyor line from the 56 screening plant to Ben CanVien Khoa hpc Cdng nghe Md - TKV port (Mao Khe), of which, non - standard steel girders KS DAM VAN DANG are designed and manufactured according to the German Cdng ty CP Xdy lap vd Chd tao thidt bj technology The paper refers to the process on the establishment of the estimate rate for manufacturing these non-standard steel girders Hien nay, Vien Khoa hpc Cdng nghe Md dang tien hanh lap thiet ke ky thuat thi edng tuyen bang tai than tif Xifdng sang 56 den cang Ben Can Mao Khe", cae dam cau bang tai dng la loai dam thep phi tieu chuan dUdc thiet ke che tao theo edng nghe eiia Cdng hoa Lien bang Oifc Day la edng nghe san xua't ket eau thep tien tien, lan dau 6\jgc ap dung d nude ta, nen ehUa ed dinh mifc dif toan Vi vay, cdng tac lap du toan ehi phf san xua't cac dam cau bang tai dng kieu DCfc ehUa ed ed sd de trien khai thifc hien Trong edng tac xay difng ed ban, thdng thudng chua ed loai djnh mifc dU toan nao dd, thi chii dau tu se phai xay dung va trinh eac cap ed tham quyen chap thuan trudc thue hien ehi phf can thiet yeu cau ky thuat va td chifc san xua't nham dam bao thi cdng difdc lien tue, dung quy trinh vd quy pham ky thudt Ve mat ly thuyet, djnh mifc dif todn 6ugc xay dung di/a tren ed sd eac quy chuan va tieu chuan xay dung, quy pham ky thuat ve thiet ke - thi cdng - nghiem thu, mufc cd gidi hoa chung nganh xay difng, trang thiet bj ky thuat, bien phap thi edng va nhung tien bd khoa hpc ky thuat xay dung Co sd phdp ly va tai lieu can thiet de xay dung djnh mure: Cdng tac xay difng djnh mifc dif toan 6\jgc xay dung tren ed sd cac vdn ban phap luat ve edng tac dau tu xay dung Cd ban, cae phUdng phap xay dung djnh mifc va eac djnh mifc ban hanh cd lien quan, hd sd thiet ke che tao (thiet ke che tao va qui djnh che tao Cdng ty FLSmidth KOCH GmbH Cdng hoa lien bang DCfc chuyen giao) Djnh mifc dutoan xay dung edng trinh thue chat la dinh mifc kinh te ky thuat the hien mife hao phi ve vat lieu, lao dpng va may mdc thiet bi thi cdng de hoan mpt ddn vi khd'i lupng edng tac xay Phifdng phap xay dung dung Cae ehi phf xay dung djnh mure edng trinh 6\sgc tdng hdp tis luc bat dau chuan bi xay dung, Tren cd sd eac phUdng thi edng xay difng va ket thiic phap xay difng djnh mure cdng tac xay dung, ke ea eac "PhUdng phap lap djnh mifc KHCNM s o 1+2/2010* KINH T M xay dung cdng trinh" ban hdnh tu kem theo Thdng 05/2007/TT-BXD ngdy 25/7/2007 cCia Bd Xdy dung, Vien Khoa hpc Cdng nghe Md da tien hanh nghien ciifu va lua chpn phUdng phdp xay dung djnh miirc du todn phii hdp vdi che tao dam thep phi tieu chuan ITnh vifc san xua't cd khf (cho ket ca'u dam cau bang tai dng Mao Khe) Diem chfnh ciia phUdng phap la nghien curu, dieu chinh cac dinh mure hao phf vat lieu, nhan cdng, may thi cdng van dung cac djnh mifc xay dung edng bd Trong trudng hdp dieu kien, bien phdp thi cdng va yeu cau ky thuat cua cdng trinh cd mdt sd yeu td phan chifa phii hdp vdi qui djnh djnh mure xay dung di/dc cdng bd thi dieu chinh cdc phan hao phf vat lieu, nhdn cdng, may thi cdng cd lien quan cho phu hdp vdi edng trinh Cac cdn CLf de dieu chinh Id: + Dieu kien, bien phdp thi cdng ciia cdng trinh + Yeu cau ve ky thudt vd tien dp thi cdng cCia cdng trinh + Cdc djnh mure vat tu, dmh mCfc lao dpng, djnh misc ndng suat may xdy dung cd Thong tin khoa hpc cong nghe md ban Cae ndi dung dieu chinh djnh mifc - DiSu chinh hao phi vat lieu: + Dd'i vdi hao phf vat lieu cau thdnh nen san pham thi theo thiet ke cdng trinh de tfnh todn hieu chinh + Ddi vdi vat lieu bien phap thi edng thi hieu chinh eac yeu td thdnh phan djnh mifc cdng bd theo tfnh toan hao phi tif thiet ke bien phap thi cdng hoac theo kinh nghiem eiia chuyen gia va cac td chifc chuyen mdn - Dieu chinh hao phi nhan cdng Tang, giam phan nhan edng djnh mifc cdng bd vd tfnh toan hao phf theo yeu cau ky thuat, td chife lao ddng vd theo dieu kien td chCte thi edng di/a tren kinh nghiem ciia chuyen gia vd cdc td chLfe chuyen mdn - Dieu chinh hao phi may thi cdng + Trudng hdp thay ddi dieu kien thi cdng (dieu kien dja hinh, khd, de, tien dp nhanh cham eCia edng trinh, ) thi tfnh toan dieu chinh tdng, giam tri sd dinh mure theo dieu kien to chure thi cdng hoac theo kinh nghiem eCia chuyen gia vd cdc td chife chuyen mdn + tdng may theo tdng lai Trudng hdp thay ddi hoac giam cdng sua't thi cdng thi dieu chinh nguyen tac: cdng sua't thi giam tri sd vd ngifdc + Tdng, giam thdnh phan mdy thi cdng djnh mCfc cdng bd vd tfnh todn hao phf theo dieu kien td ehCfe thi edng hodc theo kinh nghiem eOa chuyen gia vd cdc to chifc chuyen mdn Ngodi ra, ddi vdi nhung djnh mifc can xay dung mdi se dp dung cae phUdng phap thdng ke phan tfch, khao sat thuc te bang ehup anh bam gid vd phUdng phiap tfnh toan de dua mdt mifc phii hdp nhat dau Id khoan bang dot sat nhpn ed dp curng hdn be mdt eiia chi tiet khung gia dd eon lan theo vj tri eac Id khoan cOa ban dudng khoan Sau khoan Id xong, tien hanh lam eun canh sac id khoan - Gia cdng, che tao gdi dd dan: Cac ehi tidt sd gd'i dd dan 6\jgc gia cdng theo kfch thude hinh hpc da 6\sgc chi djnh tren ban ve thi edng Khdi quat cong tdc san Trudc dua vao ga lap xua't dam c l u bang tai ong khung, tai cac dUdng tiep xiic cua ehi tidt han 6ugc (dam thep phi tieu chuan) vat mep bang may mai, cac Dam cau bdng tai dng la vet eat bang han hdi phai loai dam thep phi tieu chuan, 6\Jigc gia edng lai bang may vdi rat nhieu khau dp, til 9,5 m mdi dat dp phdng tUdng ddi den 42m mdi tien hdnh thue hien cac - Gia cdng khung gia dd nguyen edng tiep theo lan bdng tai: Cdc chi tiet - Gia cdng lap ghep dam eCia khung gia dd eon ldn bang tai: Cae ehi tiet lap rap bang tai 6ugc gia edng theo khung dan 6ugc hoan chinh d kfch thudc hinh hpc da 6ugc cac edng doan chd tao tifng ehi djnh tren ban ve thi edng ehi tiet Chuan bj mdt ban gd Trudc dua vao ga lap phdng ddi 25m, khoang each khung, tai eac dudng tdi thieu giCfa U100 vdi tiep xiic cCia chi tidt hdn 6ugc mep ngoai ban ga la 200mm vat mep bang may mai, cac Chuan bj dudng cd ban de vet eat bang hdn hdi phai lam cdn ciir ga lap eac chi tidt 6ugc gia edng lai bang may ciia khung dan Ddt cac mdi dat dp phlng tUdng dd'i lien kdt cheo d mat pricing mdi tien hanh thue hien cae ngang giCfa cac khung gia dd nguyen edng tiep theo Tai lan, han diem lien ket vdi cdc vj tri gde eat d tren dau khung ed ban Dat cac khung gia dd eon Idn, can gde L130 x 130 x 12 lien kdt 6ugc lay dau chuan vd 6ugc phan tren khung dan, cae eac thd hdn hdi cd tay nghe cheo d hai ben ed cao cat theo dudng da'u To djnh cac vj tri bang han diem hpp khung gid dd eon Idn tren quanh khung dan Han hoan ban gd thien khung dan phfa ben - Khoan Id tren khung gia trUde, mai lai eac vj tri dd Idn: Gia edng che tao dudng han phfa ben ngoai ban dudng khoan khung gia bang may mai mdi tien hanh dd ldn theo ban ve Cd hdn hoan thien khung dan divnh khung gid dd Idn tren Qua trinh tien hanh han hoan ban dLfdng khoan, ham chdt thien khung ddn can 6\sgc tien bang vft ham d hai dau ban hdnh hdn hoan thien tren mdt dudng khoan Kiem tra, lay phing ngang, tranh hdn ngCfa, KHCNM S6 1+2/2010* KINH T^ M Thong tin khoa hpc cong nghe m o hdn neo eac chi tiet han - Phun cat lam sach bd mat kim loai a Tieu chuan xCt ly be mat sat thep : Trifdc chuan bj be mdt, ta't ca cae gde nhpn, canh sac ben phai 6ugc mai lupn trdn vdi ban kfnh tdi thieu r > 2mm Cdc phan khdng hoan chinh nhU xi han, dudng han, han diem, vet nuft, vet cat tren be mdt va cac khuyet tat be mat khac phai 6\sgc lam sach bang each mai hoac bang cac edng cu ed khf td't nha't Tay sach cae tap chat hiJru cd (dau md) va vd cd (mud'i) trUde lam sach bang phUdng phap thdi hat b Lam sach be mat bang phuong phap phun cat: Cdng tac phun eat ehi 6ugc tien hanh nhiet dp be mat thep tdi thieu Idn hdn 3°C so vdi diem sUdng va dp am tUdng dd'i eiia khdng khf khdng vupt qua 85% de trdnh hien tUdng ngifng tu hdi ni/de lam nhiem ban be mdt Khf nen dung de phun cdt phai sach, khdng chifa dau va mang hdi nude, dp luc phun phai dii manh, dat 6ugc tis 6-7kg/cm^ d dau vdi phun de lam sach be mat theo yeu cau Cat dung de phun ehi 6ugc dung mpt lan, khdng 6ugc tai sCf dung lan Qua trinh phun cat 6ugc tien hanh tuan tu tif ben khung dan ngoai, be mdt kim loai sau 6ugc lam sach bang phUdng phap phun eat dat tieu chuan Sa2.5 (ISO 8501-1:1998) Viec phun eat khdng 6ugc tien hanh d gan nhung khu vUe dang thi edng sdn hoac dang dat nhOmg be mat sdn cdn udt de tranh tdi nhidm ban bui vd cdc tap ehd't tif hat thdi - Quy trinh son phii: + Ldp son thur nhat (san Idt chdng ri): Sis dung loai sdn Penguard Express ZP, Sdn gdc epoxy phan khd nhanh, cd chura kem phdt phat (zinc phosphate) va ed ham lUdng chat ran cao, % the tfch chan ran tdi thieu Id 74%±2, chieu day Idp sdn khd tdi thieu 75^m, tdi da 250^m, thdi gian khd ciimg tdi thieu de Sdn Idp Sdn ke tiep khoang 2h vdi nhiet dd be mdt khoang 37°C den 4d°C + Ldp son thur 2,3 (son mau phu ngoai): Sur dung loai sdn Hardtop XP _ ma mau Grey 71, sdn hai thdnh phan gdc polyurethane, cd ham lupng cha't ran cao, % the tfch chat ran tdi thieu 63%±2, ed dp ben vd dp bdng cao, chieu day Idp sdn khd tdi thieu 40^m, tdi da 100|im, thdi gian khd CLfng tdi thieu khoang 4h vdi nhiet dd be mdt khoang 37°C den 46°C Cae vj tri gde, canh ciia he khung ddn sau phun sdn se 6ugc kiem tra lai vd Idm kfn be mdt bang chdi quet sdn t i ^ g khau dp: < 9m, < 12m, 36m Viec phan loai khung dam bdng tai theo cdc khau dp tUdng tu nhu ddi vdi vi keo thep la cdn ctf theo dp dai ciia san pham che tao vdi dp ddi ciia thep vat lieu (loai thep hinh thudng ddi m va 12m) Chi phf san xuat cdc ket cau thep se phu thupc vdo chieu dai eOa chiing vd chieu ddi ciia vat lieu che tao Dieu ndy dUdc the hien thdng qua sif khac ve djnh miirc ehi phf may cau san xua't tan vi keo vdi khau dp khdc nhau, theo ma hieu AI.11111, AI.11112, AI.11113, AI.11121 AI.11122, AI.11123 Mdt khdc theo ly thuyet, ndng sud't cCia mdy cau phu thudc chCi yeu vao kfch thudc ciia vat cau va kfch thude cac chi tiet ben hau nhu khdng tdc ddng den nang suat may cau (vi keo vd khung dam bdng tai ciing khau dp, nhifng kfch thude cac bp phan ben khdc nhau) Xay dung djnh miirc dir toan a Dinh mdc san xuat dam cau bang: - Ddi vdi eac edng doan san xud't dam cau bdng: gidng hay tUdng tu nhU san xua't he khung dan dao se van dung djnh mifc san xud't he khung dan, ma hieu AI.11911 Dd la cdc edng doan cat sat va han mdi hdn theo ban ve che tao - Cdc mdi hdn ket cau thep ciia khung dam bdng tai dng phai 6ugc thi cdng tren mat phing ngang, khdng dUde hdn neo vd han ngifa nen qua trinh san xud't khung dam bdng can phai Idt nhieu hdn so vdi san xuat khung dan dao Vi vay, chi phf nhdn edng, , chi phf may cau vd may han se phai dieu chinh theo he sd 1,3 (he sd chuyen ddi djnh mifc ti^ 1.05 -5-1.3 cho cae yeu cau ky thuat vd dieu kien thi cdng) - Dd'i vdi cdng tac ndng dan bang mdy cau se van dung djnh mifc cdng tdc cau phuc vu san xuat vi keo, cd ma hieu dinh miifC AI.111 theo - Dd'i vdi cac cdng doan san xuat dam cau bdng khdc vdi san xuat he khung ddn dao se dieu chinh djnh mile theo dieu kien thi cdng cho KHCNM s o 1+2/2010* KINH TE MO Thong tin khoa hpc cong nghe m d phu hdp Trong san xuat dam cau bdng cd cdng tac vat mep ban thep de hdn, se van dung djnh mCrc vdt mep ban thep bang mdy mdi viec san xuat khung dan thep theo ma hieu djnh mUc AI.52241 - Ddi vdi cdc cdng doan san xuat dam cau bdng khdng cd san xuat he khung ddn dao, se bd sung cdc cdng doan khdng cd cdng tac san xua't he khung dan bao gdm cdc edng tdc: khoan lo khoan (lay dau lo khoan vd khoan lo khoan), edng tdc lap xiet bu Idng Cae cdng tdc se van dung djnh mure lao ddng xdy dung Cd ban sd 726-UB/DM ban hdnh ngdy 17/12/1965 b Cong tdc tay ri ket cdu thep bang phun cat: Cdc khung dam cau bdng tai dng 6ugc san xud't xong mdi tien hdnh phun cdt tay ri nham tranh viec gia edng nhiet tdc dung len be mdt thep da tay ri vi vay cdng tdc tay ri khung dam cau bdng se khd khan vd tdn kem hdn so vdi viec tay ri cho dam dan thep qui djnh tai dinh mife sd AL.1lil1.De phii hpp vdi qui trinh tay ri thep ddi vdi khung dan bdng tai dng can thiet van dung djnh mile tay ri ket cau thep bang phun cdt ma hieu sd AL.11111 cho dam dan thdng dung vd cd dieu chinh djnh mifc nhdn cdng vd may thi cdng theo he sd 1.2 (he sd chuyen ddi djnh mifc ti^ 1.05 -^1.3 cho cae yeu cau ky thudt vd dieu kien thi cdng) c C6ng tdc son sat thep bang son JOTUN: Ld cdng tdc chua cd djnh mifc, vi vay, can phai xdy dung mdi djnh mifc du toan Day Id loai sdn sat thep phai thi cdng bang mdy, sdn mdt Idp Idt vd Idp phCi Qua nghien cUu cdc djnh mijfc ban hdnh ve edng tac sdn sat thep cho thay, todn bp cae djnh mifc ve cdng tdc sdn sat thep cac loai deu thi edng bang thCi cdng, lupng ehi phf sdn cho m^ phu thudc vao ti:fng loai sdn hay Id theo ddc tfnh ky thudt eCia sdn (sdn LEVIS, sdnlCI DULUX, hay sdn EXPO), cdn ve djnh mifc chi phf nhan edng cCia ta't ca cac loai sdn la bang Do vay, lupng tieu hao sdn JOTUN va cac ehd't pha sdn se 6ugc xdc djnh theo ddc diem ky thuat eCia sdn JOTUN nhd san xua't cung cap Hdn niia, viec thi cdng sdn JOTUN bang mdy cung Id yeu td anh hudng Idn den lUpng tieu hao sdn, vi lupng tdn that, mat mat sdn phun bang may se nhieu hdn sdn bang thii cdng( ti le hao hut sdn bang thii edng Id 2%) - Chi phf vdt lieu: Sdn mdt Idp Idt loai Penguard Express ZP vdi chieu day khd thifc td la 138^m, lUpng tieu hao cho m^ thuc te la 0,389 lit (hay Ift sdn 6ugc 2,57 m^), sau dd cac dam cau bdng se sdn Idp phii loai Hardtop XP vdi chieu day khd thUe td hai Idp la lOl^im , nen sdn Idp lUdng tieu hao cho m^ thue te' Id 0,292 lit (hay lit sdn dupe 3,45 m^), lUdng tieu hao chat Thinner No bang 5% tieu hao Sdn Chi phf vat lieu khac nhu gie lau, dau rCfa thinner, chdi quet sdn, dudng dng phun sdn chiem khoang % cae ehi phf tren KHCNM S6 1+2/2010* KINH T^ M - Chi phf nhan edng sdn JOTUN bang mdy: Cdng tdc Sdn JOTUN theo thidt ke dupe Sdn Idp thi cdng tUng Idp mdt, giOra cae lan sdn phai chd khd tu gid den gid theo dieu kien nhiet dp mdi trudng, ngudi lao ddng vd thiet bj phai nghi cdng nghe vd thi cdng ddt ldp lai gidng het Khao sat tai hien trudng tif ngdy 3/10/2009 ddn 5/10/2009 ddi vdi 1/2 khung ddn 20,582 m (cpc 174-175) cd dien tfch be mdt 61 m^ cho thay tieu hao het 37,5 edng (thp cap bac binh qudn 4,5/7) hay djnh mifc tieu hao thue te khao sat Id 0,614 edng (bac 4,5/7)/ m^ - Chi phf may thi cdng Sdn JOTUN: Qua khao sat hien trudng cho thay, tieu hao may thi edng sdn 1/2 khung ddn 20,582 m (cpc 174-175) ed dien tfch be mdt 61 m^ nhUsau: May cau 16 tan tieu phf 0,915 ca hay 0,015 ea/m^ may nen khf cdng sua't 600m^/h^ 650m% ehi phf het 1,83 ea hay 0,03 ea/m^ Thiet bj phun sdn ed dp luc dat 15MPa ehi phf het 1,83 ea hay 0,03 ca/m^ may khoan edng sua't 1,5 kw cd lap dau dao trdn sdn tieu phf khoang 1% so vdi cae may thi cdng ke tren d Kiem tra mdi han bang sieu am cho mpt sd dam cau bdng tai: Ap dung dinh mUc kiem tra md'i hdn, ma hieu DB.01001 tap Djnh mure du toan xay dung cdng trinh phan thf nghiem vat lieu cau kien vd ket cau xdy dung hien hanh Thong tin khoa hpc cong nghe mo e Cong tac san xuat, lap dung gia de san xuat dam cau bang: Cdc dam bdng dUdc san xuat, tay ri va phun sdn tren gia ed djnh phii hpp vdi kfch thude ciia dam cau bang Viec xac djnh sd lUpng, chiing loai gid dd phuc vu che tao dam bdng tai dng se can cif vao hinh dang kfch thudc va tien dp thi cdng eac dam bang tai Khd'i lupng va ket cau thep cCia cac gid dd lay theo ban ve thi edng Khi lap du todn chi phf san xuat eac gia dd nay, van dung djnh miife du toan san xua't he khung san dao, sdn thao tdc ma hieu AJ 11912 Id phii hdp Cac gia dd ehi diing de san xuat cdc loai khung dam cau bdng tai dng, sau dd se ban ly thu hdi Vi vay, chi phf gia dd tieu hao qud trinh san xud't khung dam cau bdng dupe tfnh theo cdng thife: Chi phi gia dd thuc te = CP san xuat gia dd- gia trj thu hdi 'lan ly gia dd Ket luan Djnh mifc du toan che tao dam thep phi tieu chuan ITnh vuc san xuat cd khf ciia Tap doan Cdng nghiep Than Khoang san Viet Nam TKV chua dUdc xay dung Viec van dung cdc djnh mifc cCia Nhd nude, ciia Bp Xay dung, ciia TKV vd eCia cac ddn vj san xua't cd khf vdo che tao dam thep phi tieu chuan cdn nhieu han che, khdng cd nhung dieu kien hoan toan tUdng tu Vi vay, viec nghien ciifu xay dung djnh mCifc dU todn che tao dam thep phi tieu chuan ITnh vUc san xuat cd khf la rat can thiet Tren ed sd cdc phUdng phdp xdy dung ^nh mCfc cCia Bd Xdy dung ban hdnh Vien Khoa hpc Cdng nghe Md da tien hanh nghien cijfu cac ' Tiet kiem nang luang hoat flong Icliai thac than (Tiep theo trang 100) + SCf dung cdc cay xdng (dau) di ddng, cung ca'p nhien lieu cho cae thiet bj di chuyen khd khdn hodc d xa cae cpt xang (dau) trung tam Bd tri nhieu edy ca'p nhien lieu tai cdc khu VLfc trung tam, gan cac dpi xe may tao thuan tien cho qua trinh tiep nhan nhien lieu va giam thieu lupng nhien lieu tieu hao khdng can thiet + Lap ddt thiet bj truyen ddng dien dieu khien cdc dpng ed dien vdi tdng cdng sud't lap ddt Id: 46.854kW (trong dd bien tan: 20.805kW; khdi dpng mem: 26.049kW) (hinh 4) Ke't luan ChUdng trinh muc tieu qudc gia ve sCr dung ndng lUdng tiet kiem va hieu qua Tap doan TKV dUdc thuc hien nghiem tiic tif tap dodn den eac ddn vj san xuat kinh doanh Nhan thufc dUdc vai trd quan trpng ciia ndng lUdng san xud't nhieu doanh nghiep da tu dau tu cae thiet bj tmyen dpng dien nhu bien tan cac thiet bj GPS, PLC nham tiet kiem dien ndng va giam that thodt nhien KHCNM S 1+2/2010* KINH T^ MO phUdng phap xay dung 6\nh mure di/ toan va da chpn dUdc phUdng phap xay dung djnh mCfc du toan phii hdp nhanh chdng va hieu qua nha't PhUdng phap xay dung djnh mure du toan cac dam thep phi tieu ctiuan chCi yeu dua tren cd sd van dung cac djnh miJte du toan da ban hanh, ddng thdi ket hdp vdi viec dieu chinh cho phu hdp vdi yeu cau ky thuat, qui trinh che tao vd dieu kien thi cdng hien trudng (cd khao sdt kiem chumg tai hien tn/dng) xem xet bd sung cac cdng doan gia cdng che tao trudc day chua cd PhUdng phap xdy difng djnh mure du toan cho cdc dam thep phi tieu chuan Vien KHCN Md lUa chpn neu tren vUa tiet kiem dUdc thdi gian va chi phf md van dam bao tfnh chfnh xdc khdch quan vd diing theo cdc qui djnh cCia phap luat ve cdng tdc dau tu xay dung cd ban./ lieu qua trinh quan ly De trd thdnh Tap doan cdng nghiep tieu bieu ve st^ dung ndng lUdng tiet kiem va hieu qua Tap doan TKV da giao cho Vien Khoa hpc Cdng nghe Md td chiip ddnh gid kiem todn vd lap du an dau tu tidt kiem ndng lUdng cho cac ddn yi san xuat than dien tTThTTtrong Tap dodn (san xuat than ham Id, Id thien, sang tuyen, cd khf van tai) ddng thdi nhdn rpng cdc md hinh sCf dung ndng lupng tiet kiem va hieu qua, trien khai kiem toan ndng lupng todn bd cac doanh nghiep Tap doan vao ndm 2010, xdy dung ehUdng trinh tiet kiem ndng lUdng mpt each tdng the vd quy md dem lai hieu qua kinh te cho doanh nghiep, cho Tap doan va cho da't nude./ ... djnh mifc cdng bd theo tfnh toan hao phi tif thiet ke bien phap thi cdng hoac theo kinh nghiem eiia chuyen gia va cac td chifc chuyen mdn - Dieu chinh hao phi nhan cdng Tang, giam phan nhan edng... phUdng phap thdng ke phan tfch, khao sat thuc te bang ehup anh bam gid vd phUdng phiap tfnh toan de dua mdt mifc phii hdp nhat dau Id khoan bang dot sat nhpn ed dp curng hdn be mdt eiia chi tiet... tiep xiic cua ehi tidt han 6ugc (dam thep phi tieu chuan) vat mep bang may mai, cac Dam cau bdng tai dng la vet eat bang han hdi phai loai dam thep phi tieu chuan, 6\Jigc gia edng lai bang may