金屬薄板涂層要求翻譯-中英對(duì)照
在要求完全防水的各處都需要裝遮雨板。其鋼板的厚度應(yīng)當(dāng)不小于0.7毫米。套筒帶的周長(zhǎng)應(yīng)當(dāng)在15厘米到25厘米之間。
在壁板、屋頂以及內(nèi)墻的管道的穿插、套接、開(kāi)口等應(yīng)當(dāng)在投標(biāo)人的設(shè)計(jì)圖中展示出來(lái),且應(yīng)當(dāng)合理設(shè)計(jì),達(dá)到防風(fēng)、防雨、防塵的效果。
天窗
天窗應(yīng)當(dāng)符合在一般技術(shù)規(guī)范的“金屬薄板”和“金屬薄板涂層”兩部分中提到的要求。其所用到的材料、扣件以及涂層應(yīng)當(dāng)與技術(shù)規(guī)范中所規(guī)定的壁板材料的規(guī)格相同。
4.4.3.23.9 裝配
轉(zhuǎn)配應(yīng)當(dāng)嚴(yán)格按照廠家的程序步驟來(lái)。金屬和鋁應(yīng)當(dāng)時(shí)刻分開(kāi)以避免發(fā)生電鍍反應(yīng)。
4.4.3.23.10 在裝配過(guò)程中隔熱材料的保護(hù)
對(duì)于所有隔熱的構(gòu)筑,在裝配過(guò)程中保護(hù)其免受風(fēng)吹日曬等天氣的變化損害,減少隔熱材料吸水或者吸收其他潮濕的東西。
4.4.3.23.11 壁板、屋頂和內(nèi)墻的清潔
壁板、金屬屋頂和內(nèi)墻的所有暴露在外的部分應(yīng)當(dāng)無(wú)標(biāo)記、無(wú)灰塵、無(wú)污漬、無(wú)裂縫、無(wú)變色等。其在安裝的時(shí)候管道至少應(yīng)當(dāng)是干燥的。
壁板、金屬屋頂和內(nèi)墻的所有暴露在外的部分,在業(yè)主驗(yàn)收前其外觀首先應(yīng)當(dāng)令人滿意。
4.4.3.23.12 外觀存在缺陷的補(bǔ)救方法
外觀的缺陷包括缺口、抓痕、擦傷、凹陷、涂寫(handing)、erection、風(fēng)化等。投標(biāo)人對(duì)此的補(bǔ)救方法如下:
在原來(lái)的涂層上再次涂上一層或者多層相同材質(zhì)的有機(jī)瓷釉進(jìn)行修葺。修葺部分的厚度、外觀和色彩應(yīng)當(dāng)與原先的吻合。若修葺部分無(wú)法令業(yè)主滿意,則應(yīng)當(dāng)更換損壞的薄板或者零件。
4.4.3.23.13 檢查與檢測(cè)
除非另有規(guī)定,投標(biāo)人應(yīng)當(dāng)負(fù)責(zé)本規(guī)范中提到的所有檢查和檢測(cè)。業(yè)主在檢查或者檢測(cè)過(guò)程中,可以到投標(biāo)人的工廠或者施工地點(diǎn)察看投標(biāo)人的工作進(jìn)度。
涂層檢測(cè)
屋頂和墻面的外鋼板涂層應(yīng)當(dāng)符合下列標(biāo)準(zhǔn),且試驗(yàn)結(jié)果應(yīng)當(dāng)由中立的檢測(cè)機(jī)構(gòu)證明,由其認(rèn)可。
以下的各個(gè)檢測(cè)結(jié)果均應(yīng)當(dāng)提交給雇主,與以下要求進(jìn)行核對(duì)。
色彩的變化和防止退色的性能
一個(gè)至少有兩個(gè)直接切下來(lái)的邊緣的樣本,經(jīng)過(guò)至少60天的加速耐候性試驗(yàn)和/或200.000蘭利的紫外線照射無(wú)破裂,起皮、起泡或脫落。最大的色彩變化,包括外部的污垢、塵土堆積,應(yīng)當(dāng)不超過(guò)每單位2nbs。
磨損——涂層的耐久性檢測(cè)
該試驗(yàn)中采用扁平試樣。檢測(cè)主要是依據(jù)ASTM的D-968-51()的試驗(yàn)標(biāo)準(zhǔn)進(jìn)行的,其中指出,末端最先顯示的是基底金屬。在這個(gè)檢測(cè)中,涂層在顯露極地金屬之前應(yīng)需要能夠經(jīng)受至少200次粗沙的摩擦。
涂層整體性檢測(cè)
根據(jù)ASTM B-117-64號(hào)的試驗(yàn)標(biāo)準(zhǔn),樣本至少需要在鹽霧試驗(yàn)中經(jīng)過(guò)1000個(gè)小時(shí),還包括掛擦試驗(yàn)。從試驗(yàn)環(huán)境中移出來(lái)時(shí),樣本應(yīng)當(dāng)沒(méi)有任何破裂、駁皮、起泡或者脫落。
耐污檢測(cè)
沒(méi)有任何保護(hù)邊緣的扁平試樣,將在克氏試驗(yàn)中循環(huán)30個(gè)周期,要求樣本沒(méi)有任何破裂、駁皮、起泡或者脫落的現(xiàn)象出現(xiàn)?耸显囼(yàn)是首先將樣品暴露在40攝氏度的溫度下8小時(shí),樣品會(huì)被放置在相對(duì)潮濕的SO2和CO2氣體環(huán)境中,兩種污染氣體的濃度根據(jù)克氏試驗(yàn)的DIN50018號(hào)測(cè)試標(biāo)準(zhǔn)規(guī)定。隨后又是16個(gè)小時(shí)的干燥時(shí)間,這才完成一次克氏試驗(yàn)的循環(huán)周期。
耐濕性測(cè)試
根據(jù)ASTM的D-2247-68號(hào)試驗(yàn)標(biāo)準(zhǔn),樣品要在華氏100度的溫度下放置1000個(gè)小時(shí),要求樣本沒(méi)有任何破裂、駁皮、起泡或者脫落的現(xiàn)象出現(xiàn)。
鏡面光潔度測(cè)試
根據(jù)ASTM的D-2247-68號(hào)試驗(yàn)標(biāo)準(zhǔn),一個(gè)平面樣本會(huì)在60華氏度的溫度下進(jìn)行測(cè)試,等級(jí)會(huì)在10到15之間。
漆膜硬度檢測(cè)(ASTM第D3363號(hào)標(biāo)準(zhǔn)),應(yīng)當(dāng)至少能夠經(jīng)受住F鉛筆的推劃。
人工老化試驗(yàn)(ASTM第G23號(hào)標(biāo)準(zhǔn)),在陽(yáng)光射線下暴曬5000個(gè)小時(shí),在8號(hào)的每次ASTM第D659試驗(yàn)的時(shí)候沒(méi)有脫落現(xiàn)象,且每經(jīng)過(guò)一次STM D224的試驗(yàn)退色不會(huì)超過(guò)5nbs,在凝露循環(huán)試驗(yàn)下循環(huán)60/60個(gè)周期。
可延展性測(cè)試(ASTM第D1737號(hào)標(biāo)準(zhǔn)):能夠經(jīng)受1T到2T的彎曲。
光滑度測(cè)試(ASTM第523號(hào)標(biāo)準(zhǔn)):在60度的光澤度計(jì)上有25-35%的反射率。
撞擊:當(dāng)如下測(cè)試結(jié)束后,涂層沒(méi)有脫落。
用一把鋒利的刀從涂層到金屬平行地刻下6道或者更多道口子,每條刻痕間隔1.5毫米。
以相同方式交叉刻。
保留影響為東92厘米/公斤,或者是對(duì)準(zhǔn)金屬的裂縫。
用玻璃紙膠帶粘在刻痕上,然后猛力拉開(kāi)。
應(yīng)當(dāng)沒(méi)有涂層掉下。
Flashings shall be provided where required to reach full water tightness. The thickness of steel shall not be less than 0.7 mm. Cap strips, if required shall have a girth comprised between 15 cm and 25 cm.
PENETRATIONS, WALL OR ROOF SLEEVES
Penetrations, sleeves, duct openings, etc, in siding, roofs, and interior walls shall be shown on Bidders drawings and shall be soundly designed for weather tightness.
LOUVERS
Louver shall comply with the requirement defined in the general technical specifications refers to sub section 'Metal Sheets' and 'Metal Sheet Finishes'. The Material, fasteners and finishing shall be the same as the siding material defined in this general technical specification.
4.4.3.23.9 ERECTION
Erection shall be in strict accordance with manufacturers' procedure for this type of work. Care shall be taken to insure that Metal and aluminium are at all times separated such that a galvanic reaction cannot take place.
4.4.3.23.10 PROTECTION OF INSULATION DURING ERECTION
For all insulated constructions, satisfactorily protect all insulation from the weather during erection so as to eliminate soaking of insulation by water, or other moisture contaminants.
4.4.3.23.11 CLEANING OF SIDING, ROOFS AND INTERIOR WALLS
All exposed faces of siding, metal roofs and interior walls shall be cleaned of labels, dirt, streaks, caulking or sealing materials, undue discoloration etc. and as a minimum a dry wipe down shall be provided at the time of erection.
All exposed faces of siding, metal roofs and interior walls, prior to acceptance by Owner shall be completely satisfactory to the Owner in appearance.
4.4.3.23.12 REMEDY OF DEFECTS IN APPEARANCE
Defects in appearance shall include nicking, scratching, gouging, dimpling, denting, abrasions, and marring of any nature due to shipping, storing, handling, erection, weathering etc. and shall be remedied at Bidders expense as follows:
0310293
Revision 0 ~~™~~ Part 4.4-266 PLTU Adipala (PLTU 2 Jawa Tengah)
1 x (600-700 MW) Location Cilacap
BOOK III
PART 4.4 Civil Works 4.4.3 Technical Specification
Touch up the baked enamel organic coating finish with one or more coats of the same coating material used for the original finish. Thickness, appearance and colour of the touch-up shall match adjacent surfaces. If touch-up is not satisfactory to Owner, damaged sheets or accessories shall be replaced.
4.4.3.23.13 INSPECTION AND TESTING
The Bidder shall be responsible for all inspection and testing required by this specification unless otherwise specified. The Owner may during the course of the work, observe various phases of the work performed by Bidder, at the Bidders plant and at the site.
Coating Tests General
The coating system of the external steel sheet for roof and wall has to meet the following performance criteria and test results and must be substantiated and certified by a recognized independent testing organization.
Result of following tests shall be submitted to the Employer, proving the compliance with the following requirements.
Colour Change and Fade Resistance
A sample with a minimum of two raw-cut edges shall withstand a minimum of 60 days emmaqua weathering test exposure (exterior equatorial mount with mirrors and water spray) and/or 200.000 Langley's of ultra violet radiation without cracking, peeling, blistering or loss of adhesion. Maximum colour change, including all exterior surface deposits such as dirt or chalk, shall not exceed 2 nbs units.
Abrasion - Resistance Test for Coating System
A flat specimen shall be subject to abrasion-resistance test. Test shall be conducted in accordance with ASTM D-968-51 (falling sand) which specifies that the end point shall be the first appearance of the base metal. Coating system shall resist abrasion to the extent indicated by the use of not less than 200 litters of sand to procedure a first appearance of base metal.
Coating System Integrity Test
A sample shall withstand a salt-fog test for a minimum of 1.000 hours in accordance with ASTM B-117-64, including the scribe requirement in the test. Immediately upon removal of the specimen from the test, the coating system shall show no signs of cracking, peeling, blistering or loss of adhesion.
C3KJ294
Revision 0 Part 4.4 - 267 PLTU Adipala (PLTU 2 Jawa Tengah)
1 x (600-700 MW) Location Cilacap
BOOK III
PART 4.4 Civil Works 4.4.3 Technical Specification
Pollution-Resistance Test
A flat specimen, with no protected edge, shall be subjected to the 30 cycles of Kesternich testing without blistering, peeling or any other of joss of adhesion. The Kesternich test consist of eight hours of exposures at 40
With 100% relative humidity (condension) in a controlled sulphur dioxide (SO2), carbon dioxide (CO2) atmosphere. Atmospheric concentrations of pullutant gases shall be in accordance with Kesternich test standards DIN 50018. This is followed by 16 hours of dry time, which concludes one cycle of testing.
Humidity-Resistance Test
A sample shall be tested for 1000 hours at 100 deg F in accordance with ASTM D - 2247 - 68 with no blistering, peeling or loss adhesion.
Glare-Resistance Test
A flat sample shall be tested at 60 deg in accordance with ASTM D - 523 - 67. The rating shall fall in the 10 to 15 range.
Pencil Hardness (ASTM D3363) : Shall be F minimum
Weatherometer (ASTM G23) after 5000 hours exposure in sunshine Arc. Weatherometer or Atlas Twin Arc Weatherometer, no chalk in excess of No. 8 per ASTM D 659 and no colour fade more than 5 NBS units perSTM D2244, as operated under Dew Cycle conditions using 60/60 cycle.
Flexibility (ASTM D 1737) : Withstand 1T - 2T bends
Gloss (ASTM D 523) : 25-35 % reflectivity measured on 60 °C gloss meter.
Impact : no removal of finish when tested as follows :
Using as sharp knife, make 6 or more parallel cuts at 1.5 mm intervals through finish to bare metal.
Cross hatch similarly.
Reserve impact to east 92 cm - kg or to point of metal rupture.
Apply Scotch cellophane tape firmly to scribe impacted are. Remove tape with sharp pull.
There shall be no loss of adhesion.
2013.5.7